From 57f6047cdbd633f660b9a859b903503709cc821e Mon Sep 17 00:00:00 2001 From: popcornmix Date: Sun, 12 May 2013 12:24:19 +0100 Subject: [PATCH 001/121] Main bcm2708/bcm2709 linux port MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: popcornmix Signed-off-by: Noralf Trønnes --- arch/arm/Kconfig | 39 ++ arch/arm/Kconfig.debug | 8 + arch/arm/Makefile | 2 + arch/arm/kernel/head.S | 8 + arch/arm/kernel/process.c | 10 + arch/arm/mach-bcm2708/Kconfig | 30 + arch/arm/mach-bcm2708/Makefile | 5 + arch/arm/mach-bcm2708/Makefile.boot | 3 + arch/arm/mach-bcm2708/armctrl.c | 304 +++++++++ arch/arm/mach-bcm2708/armctrl.h | 27 + arch/arm/mach-bcm2708/bcm2708.c | 622 ++++++++++++++++++ arch/arm/mach-bcm2708/bcm2708.h | 49 ++ arch/arm/mach-bcm2708/include/mach/arm_control.h | 419 ++++++++++++ arch/arm/mach-bcm2708/include/mach/clkdev.h | 7 + arch/arm/mach-bcm2708/include/mach/debug-macro.S | 22 + arch/arm/mach-bcm2708/include/mach/entry-macro.S | 69 ++ arch/arm/mach-bcm2708/include/mach/frc.h | 38 ++ arch/arm/mach-bcm2708/include/mach/hardware.h | 28 + arch/arm/mach-bcm2708/include/mach/io.h | 27 + arch/arm/mach-bcm2708/include/mach/irqs.h | 196 ++++++ arch/arm/mach-bcm2708/include/mach/memory.h | 57 ++ arch/arm/mach-bcm2708/include/mach/platform.h | 228 +++++++ arch/arm/mach-bcm2708/include/mach/system.h | 38 ++ arch/arm/mach-bcm2708/include/mach/timex.h | 23 + arch/arm/mach-bcm2708/include/mach/uncompress.h | 84 +++ arch/arm/mach-bcm2708/include/mach/vmalloc.h | 20 + arch/arm/mach-bcm2709/Kconfig | 42 ++ arch/arm/mach-bcm2709/Makefile | 6 + arch/arm/mach-bcm2709/Makefile.boot | 3 + arch/arm/mach-bcm2709/armctrl.c | 361 ++++++++++ arch/arm/mach-bcm2709/armctrl.h | 27 + arch/arm/mach-bcm2709/bcm2708_gpio.c | 426 ++++++++++++ arch/arm/mach-bcm2709/bcm2709.c | 801 +++++++++++++++++++++++ arch/arm/mach-bcm2709/bcm2709.h | 49 ++ arch/arm/mach-bcm2709/delay.S | 21 + arch/arm/mach-bcm2709/include/mach/arm_control.h | 493 ++++++++++++++ arch/arm/mach-bcm2709/include/mach/barriers.h | 3 + arch/arm/mach-bcm2709/include/mach/clkdev.h | 7 + arch/arm/mach-bcm2709/include/mach/debug-macro.S | 22 + arch/arm/mach-bcm2709/include/mach/entry-macro.S | 123 ++++ arch/arm/mach-bcm2709/include/mach/frc.h | 38 ++ arch/arm/mach-bcm2709/include/mach/gpio.h | 17 + arch/arm/mach-bcm2709/include/mach/hardware.h | 28 + arch/arm/mach-bcm2709/include/mach/io.h | 27 + arch/arm/mach-bcm2709/include/mach/irqs.h | 225 +++++++ arch/arm/mach-bcm2709/include/mach/memory.h | 57 ++ arch/arm/mach-bcm2709/include/mach/platform.h | 225 +++++++ arch/arm/mach-bcm2709/include/mach/system.h | 38 ++ arch/arm/mach-bcm2709/include/mach/timex.h | 23 + arch/arm/mach-bcm2709/include/mach/uncompress.h | 84 +++ arch/arm/mach-bcm2709/include/mach/vc_mem.h | 35 + arch/arm/mach-bcm2709/include/mach/vc_support.h | 69 ++ arch/arm/mach-bcm2709/include/mach/vmalloc.h | 20 + arch/arm/mach-bcm2709/vc_mem.c | 431 ++++++++++++ arch/arm/mach-bcm2709/vc_support.c | 318 +++++++++ arch/arm/mm/Kconfig | 2 +- arch/arm/mm/proc-v6.S | 15 +- arch/arm/mm/proc-v7.S | 1 + arch/arm/tools/mach-types | 2 + drivers/clocksource/arm_arch_timer.c | 36 + drivers/tty/serial/amba-pl011.c | 2 +- include/linux/mmc/host.h | 1 + 62 files changed, 6436 insertions(+), 5 deletions(-) create mode 100644 arch/arm/mach-bcm2708/Kconfig create mode 100644 arch/arm/mach-bcm2708/Makefile create mode 100644 arch/arm/mach-bcm2708/Makefile.boot create mode 100644 arch/arm/mach-bcm2708/armctrl.c create mode 100644 arch/arm/mach-bcm2708/armctrl.h create mode 100644 arch/arm/mach-bcm2708/bcm2708.c create mode 100644 arch/arm/mach-bcm2708/bcm2708.h create mode 100644 arch/arm/mach-bcm2708/include/mach/arm_control.h create mode 100644 arch/arm/mach-bcm2708/include/mach/clkdev.h create mode 100644 arch/arm/mach-bcm2708/include/mach/debug-macro.S create mode 100644 arch/arm/mach-bcm2708/include/mach/entry-macro.S create mode 100644 arch/arm/mach-bcm2708/include/mach/frc.h create mode 100644 arch/arm/mach-bcm2708/include/mach/hardware.h create mode 100644 arch/arm/mach-bcm2708/include/mach/io.h create mode 100644 arch/arm/mach-bcm2708/include/mach/irqs.h create mode 100644 arch/arm/mach-bcm2708/include/mach/memory.h create mode 100644 arch/arm/mach-bcm2708/include/mach/platform.h create mode 100644 arch/arm/mach-bcm2708/include/mach/system.h create mode 100644 arch/arm/mach-bcm2708/include/mach/timex.h create mode 100644 arch/arm/mach-bcm2708/include/mach/uncompress.h create mode 100644 arch/arm/mach-bcm2708/include/mach/vmalloc.h create mode 100644 arch/arm/mach-bcm2709/Kconfig create mode 100644 arch/arm/mach-bcm2709/Makefile create mode 100644 arch/arm/mach-bcm2709/Makefile.boot create mode 100644 arch/arm/mach-bcm2709/armctrl.c create mode 100644 arch/arm/mach-bcm2709/armctrl.h create mode 100644 arch/arm/mach-bcm2709/bcm2708_gpio.c create mode 100644 arch/arm/mach-bcm2709/bcm2709.c create mode 100644 arch/arm/mach-bcm2709/bcm2709.h create mode 100644 arch/arm/mach-bcm2709/delay.S create mode 100644 arch/arm/mach-bcm2709/include/mach/arm_control.h create mode 100644 arch/arm/mach-bcm2709/include/mach/barriers.h create mode 100644 arch/arm/mach-bcm2709/include/mach/clkdev.h create mode 100644 arch/arm/mach-bcm2709/include/mach/debug-macro.S create mode 100644 arch/arm/mach-bcm2709/include/mach/entry-macro.S create mode 100644 arch/arm/mach-bcm2709/include/mach/frc.h create mode 100644 arch/arm/mach-bcm2709/include/mach/gpio.h create mode 100644 arch/arm/mach-bcm2709/include/mach/hardware.h create mode 100644 arch/arm/mach-bcm2709/include/mach/io.h create mode 100644 arch/arm/mach-bcm2709/include/mach/irqs.h create mode 100644 arch/arm/mach-bcm2709/include/mach/memory.h create mode 100644 arch/arm/mach-bcm2709/include/mach/platform.h create mode 100644 arch/arm/mach-bcm2709/include/mach/system.h create mode 100644 arch/arm/mach-bcm2709/include/mach/timex.h create mode 100644 arch/arm/mach-bcm2709/include/mach/uncompress.h create mode 100644 arch/arm/mach-bcm2709/include/mach/vc_mem.h create mode 100755 arch/arm/mach-bcm2709/include/mach/vc_support.h create mode 100644 arch/arm/mach-bcm2709/include/mach/vmalloc.h create mode 100644 arch/arm/mach-bcm2709/vc_mem.c create mode 100644 arch/arm/mach-bcm2709/vc_support.c --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -314,6 +314,42 @@ choice default ARCH_VERSATILE if !MMU default ARCH_MULTIPLATFORM if MMU +config ARCH_BCM2708 + bool "Broadcom BCM2708 family" + select CPU_V6 + select ARM_AMBA + select HAVE_SCHED_CLOCK + select NEED_MACH_GPIO_H + select NEED_MACH_MEMORY_H + select COMMON_CLK + select ARCH_HAS_CPUFREQ + select GENERIC_CLOCKEVENTS + select ARM_ERRATA_411920 + select MACH_BCM2708 + select VC4 + select FIQ + help + This enables support for Broadcom BCM2708 boards. + +config ARCH_BCM2709 + bool "Broadcom BCM2709 family" + select ARCH_HAS_BARRIERS if SMP + select CPU_V7 + select HAVE_SMP + select ARM_AMBA + select MIGHT_HAVE_CACHE_L2X0 + select HAVE_SCHED_CLOCK + select NEED_MACH_MEMORY_H + select NEED_MACH_IO_H + select COMMON_CLK + select ARCH_HAS_CPUFREQ + select GENERIC_CLOCKEVENTS + select MACH_BCM2709 + select VC4 + select FIQ + help + This enables support for Broadcom BCM2709 boards. + config ARCH_MULTIPLATFORM bool "Allow multiple platforms to be selected" depends on MMU @@ -823,6 +859,9 @@ config ARCH_VIRT # Kconfigs may be included either alphabetically (according to the # plat- suffix) or along side the corresponding mach-* source. # +source "arch/arm/mach-bcm2708/Kconfig" +source "arch/arm/mach-bcm2709/Kconfig" + source "arch/arm/mach-mvebu/Kconfig" source "arch/arm/mach-alpine/Kconfig" --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1197,6 +1197,14 @@ choice options; the platform specific options are deprecated and will be soon removed. + config DEBUG_BCM2708_UART0 + bool "Broadcom BCM2708 UART0 (PL011)" + depends on MACH_BCM2708 + help + Say Y here if you want the debug print routines to direct + their output to UART 0. The port must have been initialised + by the boot-loader before use. + endchoice config DEBUG_AT91_UART --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -147,6 +147,8 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x003080 # Machine directory name. This list is sorted alphanumerically # by CONFIG_* macro name. +machine-$(CONFIG_ARCH_BCM2708) += bcm2708 +machine-$(CONFIG_ARCH_BCM2709) += bcm2709 machine-$(CONFIG_ARCH_ALPINE) += alpine machine-$(CONFIG_ARCH_AT91) += at91 machine-$(CONFIG_ARCH_AXXIA) += axxia --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -680,6 +680,14 @@ ARM_BE8(rev16 ip, ip) ldrcc r7, [r4], #4 @ use branch for delay slot bcc 1b ret lr + nop + nop + nop + nop + nop + nop + nop + nop #endif ENDPROC(__fixup_a_pv_table) --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -98,6 +98,16 @@ void arch_cpu_idle_dead(void) } #endif +char bcm2708_reboot_mode = 'h'; + +int __init reboot_setup(char *str) +{ + bcm2708_reboot_mode = str[0]; + return 1; +} + +__setup("reboot=", reboot_setup); + void __show_regs(struct pt_regs *regs) { unsigned long flags; --- /dev/null +++ b/arch/arm/mach-bcm2708/Kconfig @@ -0,0 +1,30 @@ +menu "Broadcom BCM2708 Implementations" + depends on ARCH_BCM2708 + +config MACH_BCM2708 + bool "Broadcom BCM2708 Development Platform" + select NEED_MACH_MEMORY_H + select NEED_MACH_IO_H + select CPU_V6 + help + Include support for the Broadcom(R) BCM2708 platform. + +config BCM2708_DT + bool "BCM2708 Device Tree support" + depends on MACH_BCM2708 + default n + select USE_OF + select ARCH_REQUIRE_GPIOLIB + select PINCTRL + select PINCTRL_BCM2835 + help + Enable Device Tree support for BCM2708 + +config BCM2708_NOL2CACHE + bool "Videocore L2 cache disable" + depends on MACH_BCM2708 + default n + help + Do not allow ARM to use GPU's L2 cache. Requires disable_l2cache in config.txt. + +endmenu --- /dev/null +++ b/arch/arm/mach-bcm2708/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the linux kernel. +# + +obj-$(CONFIG_MACH_BCM2708) += bcm2708.o armctrl.o --- /dev/null +++ b/arch/arm/mach-bcm2708/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 +initrd_phys-y := 0x00800000 --- /dev/null +++ b/arch/arm/mach-bcm2708/armctrl.c @@ -0,0 +1,304 @@ +/* + * linux/arch/arm/mach-bcm2708/armctrl.c + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include "armctrl.h" + +/* For support of kernels >= 3.0 assume only one VIC for now*/ +static unsigned int remap_irqs[(INTERRUPT_ARASANSDIO + 1) - INTERRUPT_JPEG] = { + INTERRUPT_VC_JPEG, + INTERRUPT_VC_USB, + INTERRUPT_VC_3D, + INTERRUPT_VC_DMA2, + INTERRUPT_VC_DMA3, + INTERRUPT_VC_I2C, + INTERRUPT_VC_SPI, + INTERRUPT_VC_I2SPCM, + INTERRUPT_VC_SDIO, + INTERRUPT_VC_UART, + INTERRUPT_VC_ARASANSDIO +}; + +static void armctrl_mask_irq(struct irq_data *d) +{ + static const unsigned int disables[4] = { + ARM_IRQ_DIBL1, + ARM_IRQ_DIBL2, + ARM_IRQ_DIBL3, + 0 + }; + + unsigned int data = (unsigned int)irq_get_chip_data(d->irq); + writel(1 << (data & 0x1f), __io_address(disables[(data >> 5) & 0x3])); +} + +static void armctrl_unmask_irq(struct irq_data *d) +{ + static const unsigned int enables[4] = { + ARM_IRQ_ENBL1, + ARM_IRQ_ENBL2, + ARM_IRQ_ENBL3, + 0 + }; + + unsigned int data = (unsigned int)irq_get_chip_data(d->irq); + writel(1 << (data & 0x1f), __io_address(enables[(data >> 5) & 0x3])); +} + +#ifdef CONFIG_OF + +#define NR_IRQS_BANK0 21 +#define NR_BANKS 3 +#define IRQS_PER_BANK 32 + +/* from drivers/irqchip/irq-bcm2835.c */ +static int armctrl_xlate(struct irq_domain *d, struct device_node *ctrlr, + const u32 *intspec, unsigned int intsize, + unsigned long *out_hwirq, unsigned int *out_type) +{ + if (WARN_ON(intsize != 2)) + return -EINVAL; + + if (WARN_ON(intspec[0] >= NR_BANKS)) + return -EINVAL; + + if (WARN_ON(intspec[1] >= IRQS_PER_BANK)) + return -EINVAL; + + if (WARN_ON(intspec[0] == 0 && intspec[1] >= NR_IRQS_BANK0)) + return -EINVAL; + + if (intspec[0] == 0) + *out_hwirq = ARM_IRQ0_BASE + intspec[1]; + else if (intspec[0] == 1) + *out_hwirq = ARM_IRQ1_BASE + intspec[1]; + else + *out_hwirq = ARM_IRQ2_BASE + intspec[1]; + + /* reverse remap_irqs[] */ + switch (*out_hwirq) { + case INTERRUPT_VC_JPEG: + *out_hwirq = INTERRUPT_JPEG; + break; + case INTERRUPT_VC_USB: + *out_hwirq = INTERRUPT_USB; + break; + case INTERRUPT_VC_3D: + *out_hwirq = INTERRUPT_3D; + break; + case INTERRUPT_VC_DMA2: + *out_hwirq = INTERRUPT_DMA2; + break; + case INTERRUPT_VC_DMA3: + *out_hwirq = INTERRUPT_DMA3; + break; + case INTERRUPT_VC_I2C: + *out_hwirq = INTERRUPT_I2C; + break; + case INTERRUPT_VC_SPI: + *out_hwirq = INTERRUPT_SPI; + break; + case INTERRUPT_VC_I2SPCM: + *out_hwirq = INTERRUPT_I2SPCM; + break; + case INTERRUPT_VC_SDIO: + *out_hwirq = INTERRUPT_SDIO; + break; + case INTERRUPT_VC_UART: + *out_hwirq = INTERRUPT_UART; + break; + case INTERRUPT_VC_ARASANSDIO: + *out_hwirq = INTERRUPT_ARASANSDIO; + break; + } + + *out_type = IRQ_TYPE_NONE; + return 0; +} + +static struct irq_domain_ops armctrl_ops = { + .xlate = armctrl_xlate +}; + +void __init armctrl_dt_init(void) +{ + struct device_node *np; + struct irq_domain *domain; + + np = of_find_compatible_node(NULL, NULL, "brcm,bcm2708-armctrl-ic"); + if (!np) + return; + + domain = irq_domain_add_legacy(np, BCM2708_ALLOC_IRQS, + IRQ_ARMCTRL_START, 0, + &armctrl_ops, NULL); + WARN_ON(!domain); +} +#else +void __init armctrl_dt_init(void) { } +#endif /* CONFIG_OF */ + +#if defined(CONFIG_PM) + +/* for kernels 3.xx use the new syscore_ops apis but for older kernels use the sys dev class */ + +/* Static defines + * struct armctrl_device - VIC PM device (< 3.xx) + * @sysdev: The system device which is registered. (< 3.xx) + * @irq: The IRQ number for the base of the VIC. + * @base: The register base for the VIC. + * @resume_sources: A bitmask of interrupts for resume. + * @resume_irqs: The IRQs enabled for resume. + * @int_select: Save for VIC_INT_SELECT. + * @int_enable: Save for VIC_INT_ENABLE. + * @soft_int: Save for VIC_INT_SOFT. + * @protect: Save for VIC_PROTECT. + */ +struct armctrl_info { + void __iomem *base; + int irq; + u32 resume_sources; + u32 resume_irqs; + u32 int_select; + u32 int_enable; + u32 soft_int; + u32 protect; +} armctrl; + +static int armctrl_suspend(void) +{ + return 0; +} + +static void armctrl_resume(void) +{ + return; +} + +/** + * armctrl_pm_register - Register a VIC for later power management control + * @base: The base address of the VIC. + * @irq: The base IRQ for the VIC. + * @resume_sources: bitmask of interrupts allowed for resume sources. + * + * For older kernels (< 3.xx) do - + * Register the VIC with the system device tree so that it can be notified + * of suspend and resume requests and ensure that the correct actions are + * taken to re-instate the settings on resume. + */ +static void __init armctrl_pm_register(void __iomem * base, unsigned int irq, + u32 resume_sources) +{ + armctrl.base = base; + armctrl.resume_sources = resume_sources; + armctrl.irq = irq; +} + +static int armctrl_set_wake(struct irq_data *d, unsigned int on) +{ + unsigned int off = d->irq & 31; + u32 bit = 1 << off; + + if (!(bit & armctrl.resume_sources)) + return -EINVAL; + + if (on) + armctrl.resume_irqs |= bit; + else + armctrl.resume_irqs &= ~bit; + + return 0; +} + +#else +static inline void armctrl_pm_register(void __iomem * base, unsigned int irq, + u32 arg1) +{ +} + +#define armctrl_suspend NULL +#define armctrl_resume NULL +#define armctrl_set_wake NULL +#endif /* CONFIG_PM */ + +static struct syscore_ops armctrl_syscore_ops = { + .suspend = armctrl_suspend, + .resume = armctrl_resume, +}; + +/** + * armctrl_syscore_init - initicall to register VIC pm functions + * + * This is called via late_initcall() to register + * the resources for the VICs due to the early + * nature of the VIC's registration. +*/ +static int __init armctrl_syscore_init(void) +{ + register_syscore_ops(&armctrl_syscore_ops); + return 0; +} + +late_initcall(armctrl_syscore_init); + +static struct irq_chip armctrl_chip = { + .name = "ARMCTRL", + .irq_ack = NULL, + .irq_mask = armctrl_mask_irq, + .irq_unmask = armctrl_unmask_irq, + .irq_set_wake = armctrl_set_wake, +}; + +/** + * armctrl_init - initialise a vectored interrupt controller + * @base: iomem base address + * @irq_start: starting interrupt number, must be muliple of 32 + * @armctrl_sources: bitmask of interrupt sources to allow + * @resume_sources: bitmask of interrupt sources to allow for resume + */ +int __init armctrl_init(void __iomem * base, unsigned int irq_start, + u32 armctrl_sources, u32 resume_sources) +{ + unsigned int irq; + + for (irq = 0; irq < BCM2708_ALLOC_IRQS; irq++) { + unsigned int data = irq; + if (irq >= INTERRUPT_JPEG && irq <= INTERRUPT_ARASANSDIO) + data = remap_irqs[irq - INTERRUPT_JPEG]; + + irq_set_chip(irq, &armctrl_chip); + irq_set_chip_data(irq, (void *)data); + irq_set_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + + armctrl_pm_register(base, irq_start, resume_sources); + armctrl_dt_init(); + return 0; +} --- /dev/null +++ b/arch/arm/mach-bcm2708/armctrl.h @@ -0,0 +1,27 @@ +/* + * linux/arch/arm/mach-bcm2708/armctrl.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __BCM2708_ARMCTRL_H +#define __BCM2708_ARMCTRL_H + +extern int __init armctrl_init(void __iomem * base, unsigned int irq_start, + u32 armctrl_sources, u32 resume_sources); + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/bcm2708.c @@ -0,0 +1,622 @@ +/* + * linux/arch/arm/mach-bcm2708/bcm2708.c + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include + +#include + +#include "bcm2708.h" +#include "armctrl.h" + +#ifdef CONFIG_BCM_VC_CMA +#include +#endif + + +/* Effectively we have an IOMMU (ARM<->VideoCore map) that is set up to + * give us IO access only to 64Mbytes of physical memory (26 bits). We could + * represent this window by setting our dmamasks to 26 bits but, in fact + * we're not going to use addresses outside this range (they're not in real + * memory) so we don't bother. + * + * In the future we might include code to use this IOMMU to remap other + * physical addresses onto VideoCore memory then the use of 32-bits would be + * more legitimate. + */ +#define DMA_MASK_BITS_COMMON 32 + +/* command line parameters */ +static unsigned boardrev, serial; +static unsigned uart_clock = UART0_CLOCK; +static unsigned disk_led_gpio = 16; +static unsigned disk_led_active_low = 1; +static unsigned reboot_part = 0; + +static unsigned use_dt = 0; + +static void __init bcm2708_init_led(void); + +void __init bcm2708_init_irq(void) +{ + armctrl_init(__io_address(ARMCTRL_IC_BASE), 0, 0, 0); +} + +static struct map_desc bcm2708_io_desc[] __initdata = { + { + .virtual = IO_ADDRESS(ARMCTRL_BASE), + .pfn = __phys_to_pfn(ARMCTRL_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(UART0_BASE), + .pfn = __phys_to_pfn(UART0_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(UART1_BASE), + .pfn = __phys_to_pfn(UART1_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(DMA_BASE), + .pfn = __phys_to_pfn(DMA_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(MCORE_BASE), + .pfn = __phys_to_pfn(MCORE_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(ST_BASE), + .pfn = __phys_to_pfn(ST_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(USB_BASE), + .pfn = __phys_to_pfn(USB_BASE), + .length = SZ_128K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(PM_BASE), + .pfn = __phys_to_pfn(PM_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(GPIO_BASE), + .pfn = __phys_to_pfn(GPIO_BASE), + .length = SZ_4K, + .type = MT_DEVICE} +}; + +void __init bcm2708_map_io(void) +{ + iotable_init(bcm2708_io_desc, ARRAY_SIZE(bcm2708_io_desc)); +} + +/* The STC is a free running counter that increments at the rate of 1MHz */ +#define STC_FREQ_HZ 1000000 + +static inline uint32_t timer_read(void) +{ + /* STC: a free running counter that increments at the rate of 1MHz */ + return readl(__io_address(ST_BASE + 0x04)); +} + +static unsigned long bcm2708_read_current_timer(void) +{ + return timer_read(); +} + +static u64 notrace bcm2708_read_sched_clock(void) +{ + return timer_read(); +} + +static cycle_t clksrc_read(struct clocksource *cs) +{ + return timer_read(); +} + +static struct clocksource clocksource_stc = { + .name = "stc", + .rating = 300, + .read = clksrc_read, + .mask = CLOCKSOURCE_MASK(32), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +unsigned long frc_clock_ticks32(void) +{ + return timer_read(); +} + +static void __init bcm2708_clocksource_init(void) +{ + if (clocksource_register_hz(&clocksource_stc, STC_FREQ_HZ)) { + printk(KERN_ERR "timer: failed to initialize clock " + "source %s\n", clocksource_stc.name); + } +} + +struct clk __init *bcm2708_clk_register(const char *name, unsigned long fixed_rate) +{ + struct clk *clk; + + clk = clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, + fixed_rate); + if (IS_ERR(clk)) + pr_err("%s not registered\n", name); + + return clk; +} + +void __init bcm2708_register_clkdev(struct clk *clk, const char *name) +{ + int ret; + + ret = clk_register_clkdev(clk, NULL, name); + if (ret) + pr_err("%s alias not registered\n", name); +} + +void __init bcm2708_init_clocks(void) +{ + struct clk *clk; + + clk = bcm2708_clk_register("uart0_clk", uart_clock); + bcm2708_register_clkdev(clk, "dev:f1"); + + clk = bcm2708_clk_register("sdhost_clk", 250000000); + bcm2708_register_clkdev(clk, "mmc-bcm2835.0"); + bcm2708_register_clkdev(clk, "bcm2708_spi.0"); + bcm2708_register_clkdev(clk, "bcm2708_i2c.0"); + bcm2708_register_clkdev(clk, "bcm2708_i2c.1"); +} + +#define UART0_IRQ { IRQ_UART, 0 /*NO_IRQ*/ } +#define UART0_DMA { 15, 14 } + +AMBA_DEVICE(uart0, "dev:f1", UART0, NULL); + +static struct amba_device *amba_devs[] __initdata = { + &uart0_device, +}; + +static u64 fb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON); + +static struct platform_device bcm2708_fb_device = { + .name = "bcm2708_fb", + .id = -1, /* only one bcm2708_fb */ + .resource = NULL, + .num_resources = 0, + .dev = { + .dma_mask = &fb_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON), + }, +}; + +static struct resource bcm2708_usb_resources[] = { + [0] = { + .start = USB_BASE, + .end = USB_BASE + SZ_128K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_USB, + .end = IRQ_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 usb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON); + +static struct platform_device bcm2708_usb_device = { + .name = "bcm2708_usb", + .id = -1, /* only one bcm2708_usb */ + .resource = bcm2708_usb_resources, + .num_resources = ARRAY_SIZE(bcm2708_usb_resources), + .dev = { + .dma_mask = &usb_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON), + }, +}; + +static struct resource bcm2708_vcio_resources[] = { + { + .start = ARMCTRL_0_MAIL0_BASE, + .end = ARMCTRL_0_MAIL0_BASE + SZ_64 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_ARM_MAILBOX, + .end = IRQ_ARM_MAILBOX, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 vcio_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON); + +static struct platform_device bcm2708_vcio_device = { + .name = "bcm2708_vcio", + .id = -1, /* only one VideoCore I/O area */ + .resource = bcm2708_vcio_resources, + .num_resources = ARRAY_SIZE(bcm2708_vcio_resources), + .dev = { + .dma_mask = &vcio_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON), + }, +}; + +int __init bcm_register_device(struct platform_device *pdev) +{ + int ret; + + ret = platform_device_register(pdev); + if (ret) + pr_debug("Unable to register platform device '%s': %d\n", + pdev->name, ret); + + return ret; +} + +/* + * Use these macros for platform and i2c devices that are present in the + * Device Tree. This way the devices are only added on non-DT systems. + */ +#define bcm_register_device_dt(pdev) \ + if (!use_dt) bcm_register_device(pdev) + +#define i2c_register_board_info_dt(busnum, info, n) \ + if (!use_dt) i2c_register_board_info(busnum, info, n) + +int calc_rsts(int partition) +{ + return PM_PASSWORD | + ((partition & (1 << 0)) << 0) | + ((partition & (1 << 1)) << 1) | + ((partition & (1 << 2)) << 2) | + ((partition & (1 << 3)) << 3) | + ((partition & (1 << 4)) << 4) | + ((partition & (1 << 5)) << 5); +} + +static void bcm2708_restart(enum reboot_mode mode, const char *cmd) +{ + extern char bcm2708_reboot_mode; + uint32_t pm_rstc, pm_wdog; + uint32_t timeout = 10; + uint32_t pm_rsts = 0; + + if(bcm2708_reboot_mode == 'q') + { + // NOOBS < 1.3 booting with reboot=q + pm_rsts = readl(__io_address(PM_RSTS)); + pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRQ_SET; + } + else if(bcm2708_reboot_mode == 'p') + { + // NOOBS < 1.3 halting + pm_rsts = readl(__io_address(PM_RSTS)); + pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRH_SET; + } + else + { + pm_rsts = calc_rsts(reboot_part); + } + + writel(pm_rsts, __io_address(PM_RSTS)); + + /* Setup watchdog for reset */ + pm_rstc = readl(__io_address(PM_RSTC)); + + pm_wdog = PM_PASSWORD | (timeout & PM_WDOG_TIME_SET); // watchdog timer = timer clock / 16; need password (31:16) + value (11:0) + pm_rstc = PM_PASSWORD | (pm_rstc & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET; + + writel(pm_wdog, __io_address(PM_WDOG)); + writel(pm_rstc, __io_address(PM_RSTC)); +} + +/* We can't really power off, but if we do the normal reset scheme, and indicate to bootcode.bin not to reboot, then most of the chip will be powered off */ +static void bcm2708_power_off(void) +{ + extern char bcm2708_reboot_mode; + if(bcm2708_reboot_mode == 'q') + { + // NOOBS < v1.3 + bcm2708_restart('p', ""); + } + else + { + /* partition 63 is special code for HALT the bootloader knows not to boot*/ + reboot_part = 63; + /* continue with normal reset mechanism */ + bcm2708_restart(0, ""); + } +} + +static void __init bcm2708_init_uart1(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "brcm,bcm2835-aux-uart"); + if (of_device_is_available(np)) { + pr_info("bcm2708: Mini UART enabled\n"); + writel(1, __io_address(UART1_BASE + 0x4)); + } +} + +#ifdef CONFIG_OF +static void __init bcm2708_dt_init(void) +{ + int ret; + + of_clk_init(NULL); + ret = of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + if (ret) { + pr_err("of_platform_populate failed: %d\n", ret); + /* Proceed as if CONFIG_OF was not defined */ + } else { + use_dt = 1; + } +} +#else +static void __init bcm2708_dt_init(void) { } +#endif /* CONFIG_OF */ + +void __init bcm2708_init(void) +{ + int i; + +#if defined(CONFIG_BCM_VC_CMA) + vc_cma_early_init(); +#endif + printk("bcm2708.uart_clock = %d\n", uart_clock); + pm_power_off = bcm2708_power_off; + + bcm2708_init_clocks(); + bcm2708_dt_init(); + + bcm_register_device(&bcm2708_vcio_device); +#ifdef CONFIG_BCM2708_GPIO + bcm_register_device_dt(&bcm2708_gpio_device); +#endif + bcm_register_device_dt(&bcm2708_fb_device); + bcm_register_device_dt(&bcm2708_usb_device); + + bcm2708_init_led(); + bcm2708_init_uart1(); + + if (!use_dt) { + for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { + struct amba_device *d = amba_devs[i]; + amba_device_register(d, &iomem_resource); + } + } + system_rev = boardrev; + system_serial_low = serial; +} + +static void timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *clk) +{ + switch (mode) { + case CLOCK_EVT_MODE_ONESHOT: /* Leave the timer disabled, .set_next_event will enable it */ + case CLOCK_EVT_MODE_SHUTDOWN: + break; + case CLOCK_EVT_MODE_PERIODIC: + + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_RESUME: + + default: + printk(KERN_ERR "timer_set_mode: unhandled mode:%d\n", + (int)mode); + break; + } + +} + +static int timer_set_next_event(unsigned long cycles, + struct clock_event_device *unused) +{ + unsigned long stc; + do { + stc = readl(__io_address(ST_BASE + 0x04)); + /* We could take a FIQ here, which may push ST above STC3 */ + writel(stc + cycles, __io_address(ST_BASE + 0x18)); + } while ((signed long) cycles >= 0 && + (signed long) (readl(__io_address(ST_BASE + 0x04)) - stc) + >= (signed long) cycles); + return 0; +} + +static struct clock_event_device timer0_clockevent = { + .name = "timer0", + .shift = 32, + .features = CLOCK_EVT_FEAT_ONESHOT, + .set_mode = timer_set_mode, + .set_next_event = timer_set_next_event, +}; + +/* + * IRQ handler for the timer + */ +static irqreturn_t bcm2708_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *evt = &timer0_clockevent; + + writel(1 << 3, __io_address(ST_BASE + 0x00)); /* stcs clear timer int */ + + evt->event_handler(evt); + + return IRQ_HANDLED; +} + +static struct irqaction bcm2708_timer_irq = { + .name = "BCM2708 Timer Tick", + .flags = IRQF_TIMER | IRQF_IRQPOLL, + .handler = bcm2708_timer_interrupt, +}; + +/* + * Set up timer interrupt, and return the current time in seconds. + */ + +static struct delay_timer bcm2708_delay_timer = { + .read_current_timer = bcm2708_read_current_timer, + .freq = STC_FREQ_HZ, +}; + +static void __init bcm2708_timer_init(void) +{ + /* init high res timer */ + bcm2708_clocksource_init(); + + /* + * Make irqs happen for the system timer + */ + setup_irq(IRQ_TIMER3, &bcm2708_timer_irq); + + sched_clock_register(bcm2708_read_sched_clock, 32, STC_FREQ_HZ); + + timer0_clockevent.mult = + div_sc(STC_FREQ_HZ, NSEC_PER_SEC, timer0_clockevent.shift); + timer0_clockevent.max_delta_ns = + clockevent_delta2ns(0xffffffff, &timer0_clockevent); + timer0_clockevent.min_delta_ns = + clockevent_delta2ns(0xf, &timer0_clockevent); + + timer0_clockevent.cpumask = cpumask_of(0); + clockevents_register_device(&timer0_clockevent); + + register_current_timer_delay(&bcm2708_delay_timer); +} + +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#include + +static struct gpio_led bcm2708_leds[] = { + [0] = { + .gpio = 16, + .name = "led0", + .default_trigger = "mmc0", + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data bcm2708_led_pdata = { + .num_leds = ARRAY_SIZE(bcm2708_leds), + .leds = bcm2708_leds, +}; + +static struct platform_device bcm2708_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &bcm2708_led_pdata, + }, +}; + +static void __init bcm2708_init_led(void) +{ + bcm2708_leds[0].gpio = disk_led_gpio; + bcm2708_leds[0].active_low = disk_led_active_low; + bcm_register_device_dt(&bcm2708_led_device); +} +#else +static inline void bcm2708_init_led(void) +{ +} +#endif + +void __init bcm2708_init_early(void) +{ + /* + * Some devices allocate their coherent buffers from atomic + * context. Increase size of atomic coherent pool to make sure such + * the allocations won't fail. + */ + init_dma_coherent_pool_size(SZ_4M); +} + +static void __init board_reserve(void) +{ +#if defined(CONFIG_BCM_VC_CMA) + vc_cma_reserve(); +#endif +} + +static const char * const bcm2708_compat[] = { + "brcm,bcm2708", + NULL +}; + +MACHINE_START(BCM2708, "BCM2708") + /* Maintainer: Broadcom Europe Ltd. */ + .map_io = bcm2708_map_io, + .init_irq = bcm2708_init_irq, + .init_time = bcm2708_timer_init, + .init_machine = bcm2708_init, + .init_early = bcm2708_init_early, + .reserve = board_reserve, + .restart = bcm2708_restart, + .dt_compat = bcm2708_compat, +MACHINE_END + +module_param(boardrev, uint, 0644); +module_param(serial, uint, 0644); +module_param(uart_clock, uint, 0644); +module_param(disk_led_gpio, uint, 0644); +module_param(disk_led_active_low, uint, 0644); +module_param(reboot_part, uint, 0644); --- /dev/null +++ b/arch/arm/mach-bcm2708/bcm2708.h @@ -0,0 +1,49 @@ +/* + * linux/arch/arm/mach-bcm2708/bcm2708.h + * + * BCM2708 machine support header + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __BCM2708_BCM2708_H +#define __BCM2708_BCM2708_H + +#include + +extern void __init bcm2708_init(void); +extern void __init bcm2708_init_irq(void); +extern void __init bcm2708_map_io(void); +extern struct sys_timer bcm2708_timer; +extern unsigned int mmc_status(struct device *dev); + +#define AMBA_DEVICE(name, busid, base, plat) \ +static struct amba_device name##_device = { \ + .dev = { \ + .coherent_dma_mask = ~0, \ + .init_name = busid, \ + .platform_data = plat, \ + }, \ + .res = { \ + .start = base##_BASE, \ + .end = (base##_BASE) + SZ_4K - 1,\ + .flags = IORESOURCE_MEM, \ + }, \ + .irq = base##_IRQ, \ +} + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/arm_control.h @@ -0,0 +1,419 @@ +/* + * linux/arch/arm/mach-bcm2708/arm_control.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __BCM2708_ARM_CONTROL_H +#define __BCM2708_ARM_CONTROL_H + +/* + * Definitions and addresses for the ARM CONTROL logic + * This file is manually generated. + */ + +#define ARM_BASE 0x7E00B000 + +/* Basic configuration */ +#define ARM_CONTROL0 HW_REGISTER_RW(ARM_BASE+0x000) +#define ARM_C0_SIZ128M 0x00000000 +#define ARM_C0_SIZ256M 0x00000001 +#define ARM_C0_SIZ512M 0x00000002 +#define ARM_C0_SIZ1G 0x00000003 +#define ARM_C0_BRESP0 0x00000000 +#define ARM_C0_BRESP1 0x00000004 +#define ARM_C0_BRESP2 0x00000008 +#define ARM_C0_BOOTHI 0x00000010 +#define ARM_C0_UNUSED05 0x00000020 /* free */ +#define ARM_C0_FULLPERI 0x00000040 +#define ARM_C0_UNUSED78 0x00000180 /* free */ +#define ARM_C0_JTAGMASK 0x00000E00 +#define ARM_C0_JTAGOFF 0x00000000 +#define ARM_C0_JTAGBASH 0x00000800 /* Debug on GPIO off */ +#define ARM_C0_JTAGGPIO 0x00000C00 /* Debug on GPIO on */ +#define ARM_C0_APROTMSK 0x0000F000 +#define ARM_C0_DBG0SYNC 0x00010000 /* VPU0 halt sync */ +#define ARM_C0_DBG1SYNC 0x00020000 /* VPU1 halt sync */ +#define ARM_C0_SWDBGREQ 0x00040000 /* HW debug request */ +#define ARM_C0_PASSHALT 0x00080000 /* ARM halt passed to debugger */ +#define ARM_C0_PRIO_PER 0x00F00000 /* per priority mask */ +#define ARM_C0_PRIO_L2 0x0F000000 +#define ARM_C0_PRIO_UC 0xF0000000 + +#define ARM_C0_APROTPASS 0x0000A000 /* Translate 1:1 */ +#define ARM_C0_APROTUSER 0x00000000 /* Only user mode */ +#define ARM_C0_APROTSYST 0x0000F000 /* Only system mode */ + + +#define ARM_CONTROL1 HW_REGISTER_RW(ARM_BASE+0x440) +#define ARM_C1_TIMER 0x00000001 /* re-route timer IRQ to VC */ +#define ARM_C1_MAIL 0x00000002 /* re-route Mail IRQ to VC */ +#define ARM_C1_BELL0 0x00000004 /* re-route Doorbell 0 to VC */ +#define ARM_C1_BELL1 0x00000008 /* re-route Doorbell 1 to VC */ +#define ARM_C1_PERSON 0x00000100 /* peripherals on */ +#define ARM_C1_REQSTOP 0x00000200 /* ASYNC bridge request stop */ + +#define ARM_STATUS HW_REGISTER_RW(ARM_BASE+0x444) +#define ARM_S_ACKSTOP 0x80000000 /* Bridge stopped */ +#define ARM_S_READPEND 0x000003FF /* pending reads counter */ +#define ARM_S_WRITPEND 0x000FFC00 /* pending writes counter */ + +#define ARM_ERRHALT HW_REGISTER_RW(ARM_BASE+0x448) +#define ARM_EH_PERIBURST 0x00000001 /* Burst write seen on peri bus */ +#define ARM_EH_ILLADDRS1 0x00000002 /* Address bits 25-27 error */ +#define ARM_EH_ILLADDRS2 0x00000004 /* Address bits 31-28 error */ +#define ARM_EH_VPU0HALT 0x00000008 /* VPU0 halted & in debug mode */ +#define ARM_EH_VPU1HALT 0x00000010 /* VPU1 halted & in debug mode */ +#define ARM_EH_ARMHALT 0x00000020 /* ARM in halted debug mode */ + +#define ARM_ID_SECURE HW_REGISTER_RW(ARM_BASE+0x00C) +#define ARM_ID HW_REGISTER_RW(ARM_BASE+0x44C) +#define ARM_IDVAL 0x364D5241 + +/* Translation memory */ +#define ARM_TRANSLATE HW_REGISTER_RW(ARM_BASE+0x100) +/* 32 locations: 0x100.. 0x17F */ +/* 32 spare means we CAN go to 64 pages.... */ + + +/* Interrupts */ +#define ARM_IRQ_PEND0 HW_REGISTER_RW(ARM_BASE+0x200) /* Top IRQ bits */ +#define ARM_I0_TIMER 0x00000001 /* timer IRQ */ +#define ARM_I0_MAIL 0x00000002 /* Mail IRQ */ +#define ARM_I0_BELL0 0x00000004 /* Doorbell 0 */ +#define ARM_I0_BELL1 0x00000008 /* Doorbell 1 */ +#define ARM_I0_BANK1 0x00000100 /* Bank1 IRQ */ +#define ARM_I0_BANK2 0x00000200 /* Bank2 IRQ */ + +#define ARM_IRQ_PEND1 HW_REGISTER_RW(ARM_BASE+0x204) /* All bank1 IRQ bits */ +/* todo: all I1_interrupt sources */ +#define ARM_IRQ_PEND2 HW_REGISTER_RW(ARM_BASE+0x208) /* All bank2 IRQ bits */ +/* todo: all I2_interrupt sources */ + +#define ARM_IRQ_FAST HW_REGISTER_RW(ARM_BASE+0x20C) /* FIQ control */ +#define ARM_IF_INDEX 0x0000007F /* FIQ select */ +#define ARM_IF_ENABLE 0x00000080 /* FIQ enable */ +#define ARM_IF_VCMASK 0x0000003F /* FIQ = (index from VC source) */ +#define ARM_IF_TIMER 0x00000040 /* FIQ = ARM timer */ +#define ARM_IF_MAIL 0x00000041 /* FIQ = ARM Mail */ +#define ARM_IF_BELL0 0x00000042 /* FIQ = ARM Doorbell 0 */ +#define ARM_IF_BELL1 0x00000043 /* FIQ = ARM Doorbell 1 */ +#define ARM_IF_VP0HALT 0x00000044 /* FIQ = VPU0 Halt seen */ +#define ARM_IF_VP1HALT 0x00000045 /* FIQ = VPU1 Halt seen */ +#define ARM_IF_ILLEGAL 0x00000046 /* FIQ = Illegal access seen */ + +#define ARM_IRQ_ENBL1 HW_REGISTER_RW(ARM_BASE+0x210) /* Bank1 enable bits */ +#define ARM_IRQ_ENBL2 HW_REGISTER_RW(ARM_BASE+0x214) /* Bank2 enable bits */ +#define ARM_IRQ_ENBL3 HW_REGISTER_RW(ARM_BASE+0x218) /* ARM irqs enable bits */ +#define ARM_IRQ_DIBL1 HW_REGISTER_RW(ARM_BASE+0x21C) /* Bank1 disable bits */ +#define ARM_IRQ_DIBL2 HW_REGISTER_RW(ARM_BASE+0x220) /* Bank2 disable bits */ +#define ARM_IRQ_DIBL3 HW_REGISTER_RW(ARM_BASE+0x224) /* ARM irqs disable bits */ +#define ARM_IE_TIMER 0x00000001 /* Timer IRQ */ +#define ARM_IE_MAIL 0x00000002 /* Mail IRQ */ +#define ARM_IE_BELL0 0x00000004 /* Doorbell 0 */ +#define ARM_IE_BELL1 0x00000008 /* Doorbell 1 */ +#define ARM_IE_VP0HALT 0x00000010 /* VPU0 Halt */ +#define ARM_IE_VP1HALT 0x00000020 /* VPU1 Halt */ +#define ARM_IE_ILLEGAL 0x00000040 /* Illegal access seen */ + +/* Timer */ +/* For reg. fields see sp804 spec. */ +#define ARM_T_LOAD HW_REGISTER_RW(ARM_BASE+0x400) +#define ARM_T_VALUE HW_REGISTER_RW(ARM_BASE+0x404) +#define ARM_T_CONTROL HW_REGISTER_RW(ARM_BASE+0x408) +#define ARM_T_IRQCNTL HW_REGISTER_RW(ARM_BASE+0x40C) +#define ARM_T_RAWIRQ HW_REGISTER_RW(ARM_BASE+0x410) +#define ARM_T_MSKIRQ HW_REGISTER_RW(ARM_BASE+0x414) +#define ARM_T_RELOAD HW_REGISTER_RW(ARM_BASE+0x418) +#define ARM_T_PREDIV HW_REGISTER_RW(ARM_BASE+0x41c) +#define ARM_T_FREECNT HW_REGISTER_RW(ARM_BASE+0x420) + +#define TIMER_CTRL_ONESHOT (1 << 0) +#define TIMER_CTRL_32BIT (1 << 1) +#define TIMER_CTRL_DIV1 (0 << 2) +#define TIMER_CTRL_DIV16 (1 << 2) +#define TIMER_CTRL_DIV256 (2 << 2) +#define TIMER_CTRL_IE (1 << 5) +#define TIMER_CTRL_PERIODIC (1 << 6) +#define TIMER_CTRL_ENABLE (1 << 7) +#define TIMER_CTRL_DBGHALT (1 << 8) +#define TIMER_CTRL_ENAFREE (1 << 9) +#define TIMER_CTRL_FREEDIV_SHIFT 16) +#define TIMER_CTRL_FREEDIV_MASK 0xff + +/* Semaphores, Doorbells, Mailboxes */ +#define ARM_SBM_OWN0 (ARM_BASE+0x800) +#define ARM_SBM_OWN1 (ARM_BASE+0x900) +#define ARM_SBM_OWN2 (ARM_BASE+0xA00) +#define ARM_SBM_OWN3 (ARM_BASE+0xB00) + +/* MAILBOXES + * Register flags are common across all + * owner registers. See end of this section + * + * Semaphores, Doorbells, Mailboxes Owner 0 + * + */ + +#define ARM_0_SEMS HW_REGISTER_RW(ARM_SBM_OWN0+0x00) +#define ARM_0_SEM0 HW_REGISTER_RW(ARM_SBM_OWN0+0x00) +#define ARM_0_SEM1 HW_REGISTER_RW(ARM_SBM_OWN0+0x04) +#define ARM_0_SEM2 HW_REGISTER_RW(ARM_SBM_OWN0+0x08) +#define ARM_0_SEM3 HW_REGISTER_RW(ARM_SBM_OWN0+0x0C) +#define ARM_0_SEM4 HW_REGISTER_RW(ARM_SBM_OWN0+0x10) +#define ARM_0_SEM5 HW_REGISTER_RW(ARM_SBM_OWN0+0x14) +#define ARM_0_SEM6 HW_REGISTER_RW(ARM_SBM_OWN0+0x18) +#define ARM_0_SEM7 HW_REGISTER_RW(ARM_SBM_OWN0+0x1C) +#define ARM_0_BELL0 HW_REGISTER_RW(ARM_SBM_OWN0+0x40) +#define ARM_0_BELL1 HW_REGISTER_RW(ARM_SBM_OWN0+0x44) +#define ARM_0_BELL2 HW_REGISTER_RW(ARM_SBM_OWN0+0x48) +#define ARM_0_BELL3 HW_REGISTER_RW(ARM_SBM_OWN0+0x4C) +/* MAILBOX 0 access in Owner 0 area */ +/* Some addresses should ONLY be used by owner 0 */ +#define ARM_0_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN0+0x80) /* .. 0x8C (4 locations) */ +#define ARM_0_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN0+0x80) /* .. 0x8C (4 locations) Normal read */ +#define ARM_0_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN0+0x90) /* none-pop read */ +#define ARM_0_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN0+0x94) /* Sender read (only LS 2 bits) */ +#define ARM_0_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN0+0x98) /* Status read */ +#define ARM_0_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN0+0x9C) /* Config read/write */ +/* MAILBOX 1 access in Owner 0 area */ +/* Owner 0 should only WRITE to this mailbox */ +#define ARM_0_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN0+0xA0) /* .. 0xAC (4 locations) */ +/*#define ARM_0_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN0+0xA0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_0_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN0+0xB0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_0_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN0+0xB4) */ /* DO NOT USE THIS !!!!! */ +#define ARM_0_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN0+0xB8) /* Status read */ +/*#define ARM_0_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN0+0xBC) */ /* DO NOT USE THIS !!!!! */ +/* General SEM, BELL, MAIL config/status */ +#define ARM_0_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN0+0xE0) /* semaphore clear/debug register */ +#define ARM_0_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN0+0xE4) /* Doorbells clear/debug register */ +#define ARM_0_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN0+0xF8) /* ALL interrupts */ +#define ARM_0_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN0+0xFC) /* IRQS pending for owner 0 */ + +/* Semaphores, Doorbells, Mailboxes Owner 1 */ +#define ARM_1_SEMS HW_REGISTER_RW(ARM_SBM_OWN1+0x00) +#define ARM_1_SEM0 HW_REGISTER_RW(ARM_SBM_OWN1+0x00) +#define ARM_1_SEM1 HW_REGISTER_RW(ARM_SBM_OWN1+0x04) +#define ARM_1_SEM2 HW_REGISTER_RW(ARM_SBM_OWN1+0x08) +#define ARM_1_SEM3 HW_REGISTER_RW(ARM_SBM_OWN1+0x0C) +#define ARM_1_SEM4 HW_REGISTER_RW(ARM_SBM_OWN1+0x10) +#define ARM_1_SEM5 HW_REGISTER_RW(ARM_SBM_OWN1+0x14) +#define ARM_1_SEM6 HW_REGISTER_RW(ARM_SBM_OWN1+0x18) +#define ARM_1_SEM7 HW_REGISTER_RW(ARM_SBM_OWN1+0x1C) +#define ARM_1_BELL0 HW_REGISTER_RW(ARM_SBM_OWN1+0x40) +#define ARM_1_BELL1 HW_REGISTER_RW(ARM_SBM_OWN1+0x44) +#define ARM_1_BELL2 HW_REGISTER_RW(ARM_SBM_OWN1+0x48) +#define ARM_1_BELL3 HW_REGISTER_RW(ARM_SBM_OWN1+0x4C) +/* MAILBOX 0 access in Owner 0 area */ +/* Owner 1 should only WRITE to this mailbox */ +#define ARM_1_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN1+0x80) /* .. 0x8C (4 locations) */ +/*#define ARM_1_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN1+0x80) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_1_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN1+0x90) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_1_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN1+0x94) */ /* DO NOT USE THIS !!!!! */ +#define ARM_1_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN1+0x98) /* Status read */ +/*#define ARM_1_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN1+0x9C) */ /* DO NOT USE THIS !!!!! */ +/* MAILBOX 1 access in Owner 0 area */ +#define ARM_1_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN1+0xA0) /* .. 0xAC (4 locations) */ +#define ARM_1_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN1+0xA0) /* .. 0xAC (4 locations) Normal read */ +#define ARM_1_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN1+0xB0) /* none-pop read */ +#define ARM_1_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN1+0xB4) /* Sender read (only LS 2 bits) */ +#define ARM_1_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN1+0xB8) /* Status read */ +#define ARM_1_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN1+0xBC) +/* General SEM, BELL, MAIL config/status */ +#define ARM_1_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN1+0xE0) /* semaphore clear/debug register */ +#define ARM_1_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN1+0xE4) /* Doorbells clear/debug register */ +#define ARM_1_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN1+0xFC) /* IRQS pending for owner 1 */ +#define ARM_1_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN1+0xF8) /* ALL interrupts */ + +/* Semaphores, Doorbells, Mailboxes Owner 2 */ +#define ARM_2_SEMS HW_REGISTER_RW(ARM_SBM_OWN2+0x00) +#define ARM_2_SEM0 HW_REGISTER_RW(ARM_SBM_OWN2+0x00) +#define ARM_2_SEM1 HW_REGISTER_RW(ARM_SBM_OWN2+0x04) +#define ARM_2_SEM2 HW_REGISTER_RW(ARM_SBM_OWN2+0x08) +#define ARM_2_SEM3 HW_REGISTER_RW(ARM_SBM_OWN2+0x0C) +#define ARM_2_SEM4 HW_REGISTER_RW(ARM_SBM_OWN2+0x10) +#define ARM_2_SEM5 HW_REGISTER_RW(ARM_SBM_OWN2+0x14) +#define ARM_2_SEM6 HW_REGISTER_RW(ARM_SBM_OWN2+0x18) +#define ARM_2_SEM7 HW_REGISTER_RW(ARM_SBM_OWN2+0x1C) +#define ARM_2_BELL0 HW_REGISTER_RW(ARM_SBM_OWN2+0x40) +#define ARM_2_BELL1 HW_REGISTER_RW(ARM_SBM_OWN2+0x44) +#define ARM_2_BELL2 HW_REGISTER_RW(ARM_SBM_OWN2+0x48) +#define ARM_2_BELL3 HW_REGISTER_RW(ARM_SBM_OWN2+0x4C) +/* MAILBOX 0 access in Owner 2 area */ +/* Owner 2 should only WRITE to this mailbox */ +#define ARM_2_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN2+0x80) /* .. 0x8C (4 locations) */ +/*#define ARM_2_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN2+0x80) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_2_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN2+0x90) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_2_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN2+0x94) */ /* DO NOT USE THIS !!!!! */ +#define ARM_2_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN2+0x98) /* Status read */ +/*#define ARM_2_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN2+0x9C) */ /* DO NOT USE THIS !!!!! */ +/* MAILBOX 1 access in Owner 2 area */ +/* Owner 2 should only WRITE to this mailbox */ +#define ARM_2_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN2+0xA0) /* .. 0xAC (4 locations) */ +/*#define ARM_2_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN2+0xA0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_2_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN2+0xB0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_2_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN2+0xB4) */ /* DO NOT USE THIS !!!!! */ +#define ARM_2_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN2+0xB8) /* Status read */ +/*#define ARM_2_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN2+0xBC) */ /* DO NOT USE THIS !!!!! */ +/* General SEM, BELL, MAIL config/status */ +#define ARM_2_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN2+0xE0) /* semaphore clear/debug register */ +#define ARM_2_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN2+0xE4) /* Doorbells clear/debug register */ +#define ARM_2_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN2+0xFC) /* IRQS pending for owner 2 */ +#define ARM_2_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN2+0xF8) /* ALL interrupts */ + +/* Semaphores, Doorbells, Mailboxes Owner 3 */ +#define ARM_3_SEMS HW_REGISTER_RW(ARM_SBM_OWN3+0x00) +#define ARM_3_SEM0 HW_REGISTER_RW(ARM_SBM_OWN3+0x00) +#define ARM_3_SEM1 HW_REGISTER_RW(ARM_SBM_OWN3+0x04) +#define ARM_3_SEM2 HW_REGISTER_RW(ARM_SBM_OWN3+0x08) +#define ARM_3_SEM3 HW_REGISTER_RW(ARM_SBM_OWN3+0x0C) +#define ARM_3_SEM4 HW_REGISTER_RW(ARM_SBM_OWN3+0x10) +#define ARM_3_SEM5 HW_REGISTER_RW(ARM_SBM_OWN3+0x14) +#define ARM_3_SEM6 HW_REGISTER_RW(ARM_SBM_OWN3+0x18) +#define ARM_3_SEM7 HW_REGISTER_RW(ARM_SBM_OWN3+0x1C) +#define ARM_3_BELL0 HW_REGISTER_RW(ARM_SBM_OWN3+0x40) +#define ARM_3_BELL1 HW_REGISTER_RW(ARM_SBM_OWN3+0x44) +#define ARM_3_BELL2 HW_REGISTER_RW(ARM_SBM_OWN3+0x48) +#define ARM_3_BELL3 HW_REGISTER_RW(ARM_SBM_OWN3+0x4C) +/* MAILBOX 0 access in Owner 3 area */ +/* Owner 3 should only WRITE to this mailbox */ +#define ARM_3_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN3+0x80) /* .. 0x8C (4 locations) */ +/*#define ARM_3_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN3+0x80) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_3_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN3+0x90) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_3_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN3+0x94) */ /* DO NOT USE THIS !!!!! */ +#define ARM_3_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN3+0x98) /* Status read */ +/*#define ARM_3_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN3+0x9C) */ /* DO NOT USE THIS !!!!! */ +/* MAILBOX 1 access in Owner 3 area */ +/* Owner 3 should only WRITE to this mailbox */ +#define ARM_3_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN3+0xA0) /* .. 0xAC (4 locations) */ +/*#define ARM_3_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN3+0xA0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_3_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN3+0xB0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_3_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN3+0xB4) */ /* DO NOT USE THIS !!!!! */ +#define ARM_3_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN3+0xB8) /* Status read */ +/*#define ARM_3_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN3+0xBC) */ /* DO NOT USE THIS !!!!! */ +/* General SEM, BELL, MAIL config/status */ +#define ARM_3_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN3+0xE0) /* semaphore clear/debug register */ +#define ARM_3_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN3+0xE4) /* Doorbells clear/debug register */ +#define ARM_3_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN3+0xFC) /* IRQS pending for owner 3 */ +#define ARM_3_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN3+0xF8) /* ALL interrupts */ + + + +/* Mailbox flags. Valid for all owners */ + +/* Mailbox status register (...0x98) */ +#define ARM_MS_FULL 0x80000000 +#define ARM_MS_EMPTY 0x40000000 +#define ARM_MS_LEVEL 0x400000FF /* Max. value depdnds on mailbox depth parameter */ + +/* MAILBOX config/status register (...0x9C) */ +/* ANY write to this register clears the error bits! */ +#define ARM_MC_IHAVEDATAIRQEN 0x00000001 /* mailbox irq enable: has data */ +#define ARM_MC_IHAVESPACEIRQEN 0x00000002 /* mailbox irq enable: has space */ +#define ARM_MC_OPPISEMPTYIRQEN 0x00000004 /* mailbox irq enable: Opp. is empty */ +#define ARM_MC_MAIL_CLEAR 0x00000008 /* mailbox clear write 1, then 0 */ +#define ARM_MC_IHAVEDATAIRQPEND 0x00000010 /* mailbox irq pending: has space */ +#define ARM_MC_IHAVESPACEIRQPEND 0x00000020 /* mailbox irq pending: Opp. is empty */ +#define ARM_MC_OPPISEMPTYIRQPEND 0x00000040 /* mailbox irq pending */ +/* Bit 7 is unused */ +#define ARM_MC_ERRNOOWN 0x00000100 /* error : none owner read from mailbox */ +#define ARM_MC_ERROVERFLW 0x00000200 /* error : write to fill mailbox */ +#define ARM_MC_ERRUNDRFLW 0x00000400 /* error : read from empty mailbox */ + +/* Semaphore clear/debug register (...0xE0) */ +#define ARM_SD_OWN0 0x00000003 /* Owner of sem 0 */ +#define ARM_SD_OWN1 0x0000000C /* Owner of sem 1 */ +#define ARM_SD_OWN2 0x00000030 /* Owner of sem 2 */ +#define ARM_SD_OWN3 0x000000C0 /* Owner of sem 3 */ +#define ARM_SD_OWN4 0x00000300 /* Owner of sem 4 */ +#define ARM_SD_OWN5 0x00000C00 /* Owner of sem 5 */ +#define ARM_SD_OWN6 0x00003000 /* Owner of sem 6 */ +#define ARM_SD_OWN7 0x0000C000 /* Owner of sem 7 */ +#define ARM_SD_SEM0 0x00010000 /* Status of sem 0 */ +#define ARM_SD_SEM1 0x00020000 /* Status of sem 1 */ +#define ARM_SD_SEM2 0x00040000 /* Status of sem 2 */ +#define ARM_SD_SEM3 0x00080000 /* Status of sem 3 */ +#define ARM_SD_SEM4 0x00100000 /* Status of sem 4 */ +#define ARM_SD_SEM5 0x00200000 /* Status of sem 5 */ +#define ARM_SD_SEM6 0x00400000 /* Status of sem 6 */ +#define ARM_SD_SEM7 0x00800000 /* Status of sem 7 */ + +/* Doorbells clear/debug register (...0xE4) */ +#define ARM_BD_OWN0 0x00000003 /* Owner of doorbell 0 */ +#define ARM_BD_OWN1 0x0000000C /* Owner of doorbell 1 */ +#define ARM_BD_OWN2 0x00000030 /* Owner of doorbell 2 */ +#define ARM_BD_OWN3 0x000000C0 /* Owner of doorbell 3 */ +#define ARM_BD_BELL0 0x00000100 /* Status of doorbell 0 */ +#define ARM_BD_BELL1 0x00000200 /* Status of doorbell 1 */ +#define ARM_BD_BELL2 0x00000400 /* Status of doorbell 2 */ +#define ARM_BD_BELL3 0x00000800 /* Status of doorbell 3 */ + +/* MY IRQS register (...0xF8) */ +#define ARM_MYIRQ_BELL 0x00000001 /* This owner has a doorbell IRQ */ +#define ARM_MYIRQ_MAIL 0x00000002 /* This owner has a mailbox IRQ */ + +/* ALL IRQS register (...0xF8) */ +#define ARM_AIS_BELL0 0x00000001 /* Doorbell 0 IRQ pending */ +#define ARM_AIS_BELL1 0x00000002 /* Doorbell 1 IRQ pending */ +#define ARM_AIS_BELL2 0x00000004 /* Doorbell 2 IRQ pending */ +#define ARM_AIS_BELL3 0x00000008 /* Doorbell 3 IRQ pending */ +#define ARM_AIS0_HAVEDATA 0x00000010 /* MAIL 0 has data IRQ pending */ +#define ARM_AIS0_HAVESPAC 0x00000020 /* MAIL 0 has space IRQ pending */ +#define ARM_AIS0_OPPEMPTY 0x00000040 /* MAIL 0 opposite is empty IRQ */ +#define ARM_AIS1_HAVEDATA 0x00000080 /* MAIL 1 has data IRQ pending */ +#define ARM_AIS1_HAVESPAC 0x00000100 /* MAIL 1 has space IRQ pending */ +#define ARM_AIS1_OPPEMPTY 0x00000200 /* MAIL 1 opposite is empty IRQ */ +/* Note that bell-0, bell-1 and MAIL0 IRQ go only to the ARM */ +/* Whilst that bell-2, bell-3 and MAIL1 IRQ go only to the VC */ +/* */ +/* ARM JTAG BASH */ +/* */ +#define AJB_BASE 0x7e2000c0 + +#define AJBCONF HW_REGISTER_RW(AJB_BASE+0x00) +#define AJB_BITS0 0x000000 +#define AJB_BITS4 0x000004 +#define AJB_BITS8 0x000008 +#define AJB_BITS12 0x00000C +#define AJB_BITS16 0x000010 +#define AJB_BITS20 0x000014 +#define AJB_BITS24 0x000018 +#define AJB_BITS28 0x00001C +#define AJB_BITS32 0x000020 +#define AJB_BITS34 0x000022 +#define AJB_OUT_MS 0x000040 +#define AJB_OUT_LS 0x000000 +#define AJB_INV_CLK 0x000080 +#define AJB_D0_RISE 0x000100 +#define AJB_D0_FALL 0x000000 +#define AJB_D1_RISE 0x000200 +#define AJB_D1_FALL 0x000000 +#define AJB_IN_RISE 0x000400 +#define AJB_IN_FALL 0x000000 +#define AJB_ENABLE 0x000800 +#define AJB_HOLD0 0x000000 +#define AJB_HOLD1 0x001000 +#define AJB_HOLD2 0x002000 +#define AJB_HOLD3 0x003000 +#define AJB_RESETN 0x004000 +#define AJB_CLKSHFT 16 +#define AJB_BUSY 0x80000000 +#define AJBTMS HW_REGISTER_RW(AJB_BASE+0x04) +#define AJBTDI HW_REGISTER_RW(AJB_BASE+0x08) +#define AJBTDO HW_REGISTER_RW(AJB_BASE+0x0c) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/clkdev.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_CLKDEV_H +#define __ASM_MACH_CLKDEV_H + +#define __clk_get(clk) ({ 1; }) +#define __clk_put(clk) do { } while (0) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/debug-macro.S @@ -0,0 +1,22 @@ +/* arch/arm/mach-bcm2708/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 2010 Broadcom + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include + + .macro addruart, rp, rv, tmp + ldr \rp, =UART0_BASE + ldr \rv, =IO_ADDRESS(UART0_BASE) + .endm + +#include --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/entry-macro.S @@ -0,0 +1,69 @@ +/* + * arch/arm/mach-bcm2708/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for BCM2708 platforms + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =IO_ADDRESS(ARMCTRL_IC_BASE) + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + /* get masked status */ + ldr \irqstat, [\base, #(ARM_IRQ_PEND0 - ARMCTRL_IC_BASE)] + mov \irqnr, #(ARM_IRQ0_BASE + 31) + and \tmp, \irqstat, #0x300 @ save bits 8 and 9 + /* clear bits 8 and 9, and test */ + bics \irqstat, \irqstat, #0x300 + bne 1010f + + tst \tmp, #0x100 + ldrne \irqstat, [\base, #(ARM_IRQ_PEND1 - ARMCTRL_IC_BASE)] + movne \irqnr, #(ARM_IRQ1_BASE + 31) + @ Mask out the interrupts also present in PEND0 - see SW-5809 + bicne \irqstat, #((1<<7) | (1<<9) | (1<<10)) + bicne \irqstat, #((1<<18) | (1<<19)) + bne 1010f + + tst \tmp, #0x200 + ldrne \irqstat, [\base, #(ARM_IRQ_PEND2 - ARMCTRL_IC_BASE)] + movne \irqnr, #(ARM_IRQ2_BASE + 31) + @ Mask out the interrupts also present in PEND0 - see SW-5809 + bicne \irqstat, #((1<<21) | (1<<22) | (1<<23) | (1<<24) | (1<<25)) + bicne \irqstat, #((1<<30)) + beq 1020f + +1010: + @ For non-zero x, LSB(x) = 31 - CLZ(x^(x-1)) + @ N.B. CLZ is an ARM5 instruction. + sub \tmp, \irqstat, #1 + eor \irqstat, \irqstat, \tmp + clz \tmp, \irqstat + sub \irqnr, \tmp + +1020: @ EQ will be set if no irqs pending + + .endm --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/frc.h @@ -0,0 +1,38 @@ +/* + * arch/arm/mach-bcm2708/include/mach/timex.h + * + * BCM2708 free running counter (timer) + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _MACH_FRC_H +#define _MACH_FRC_H + +#define FRC_TICK_RATE (1000000) + +/*! Free running counter incrementing at the CLOCK_TICK_RATE + (slightly faster than frc_clock_ticks63() + */ +extern unsigned long frc_clock_ticks32(void); + +/*! Free running counter incrementing at the CLOCK_TICK_RATE + * Note - top bit should be ignored (see cnt32_to_63) + */ +extern unsigned long long frc_clock_ticks63(void); + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/hardware.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-bcm2708/include/mach/hardware.h + * + * This file contains the hardware definitions of the BCM2708 devices. + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include +#include + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/io.h @@ -0,0 +1,27 @@ +/* + * arch/arm/mach-bcm2708/include/mach/io.h + * + * Copyright (C) 2003 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) __typesafe_io(a) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/irqs.h @@ -0,0 +1,196 @@ +/* + * arch/arm/mach-bcm2708/include/mach/irqs.h + * + * Copyright (C) 2010 Broadcom + * Copyright (C) 2003 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _BCM2708_IRQS_H_ +#define _BCM2708_IRQS_H_ + +#include + +/* + * IRQ interrupts definitions are the same as the INT definitions + * held within platform.h + */ +#define IRQ_ARMCTRL_START 0 +#define IRQ_TIMER0 (IRQ_ARMCTRL_START + INTERRUPT_TIMER0) +#define IRQ_TIMER1 (IRQ_ARMCTRL_START + INTERRUPT_TIMER1) +#define IRQ_TIMER2 (IRQ_ARMCTRL_START + INTERRUPT_TIMER2) +#define IRQ_TIMER3 (IRQ_ARMCTRL_START + INTERRUPT_TIMER3) +#define IRQ_CODEC0 (IRQ_ARMCTRL_START + INTERRUPT_CODEC0) +#define IRQ_CODEC1 (IRQ_ARMCTRL_START + INTERRUPT_CODEC1) +#define IRQ_CODEC2 (IRQ_ARMCTRL_START + INTERRUPT_CODEC2) +#define IRQ_JPEG (IRQ_ARMCTRL_START + INTERRUPT_JPEG) +#define IRQ_ISP (IRQ_ARMCTRL_START + INTERRUPT_ISP) +#define IRQ_USB (IRQ_ARMCTRL_START + INTERRUPT_USB) +#define IRQ_3D (IRQ_ARMCTRL_START + INTERRUPT_3D) +#define IRQ_TRANSPOSER (IRQ_ARMCTRL_START + INTERRUPT_TRANSPOSER) +#define IRQ_MULTICORESYNC0 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC0) +#define IRQ_MULTICORESYNC1 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC1) +#define IRQ_MULTICORESYNC2 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC2) +#define IRQ_MULTICORESYNC3 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC3) +#define IRQ_DMA0 (IRQ_ARMCTRL_START + INTERRUPT_DMA0) +#define IRQ_DMA1 (IRQ_ARMCTRL_START + INTERRUPT_DMA1) +#define IRQ_DMA2 (IRQ_ARMCTRL_START + INTERRUPT_DMA2) +#define IRQ_DMA3 (IRQ_ARMCTRL_START + INTERRUPT_DMA3) +#define IRQ_DMA4 (IRQ_ARMCTRL_START + INTERRUPT_DMA4) +#define IRQ_DMA5 (IRQ_ARMCTRL_START + INTERRUPT_DMA5) +#define IRQ_DMA6 (IRQ_ARMCTRL_START + INTERRUPT_DMA6) +#define IRQ_DMA7 (IRQ_ARMCTRL_START + INTERRUPT_DMA7) +#define IRQ_DMA8 (IRQ_ARMCTRL_START + INTERRUPT_DMA8) +#define IRQ_DMA9 (IRQ_ARMCTRL_START + INTERRUPT_DMA9) +#define IRQ_DMA10 (IRQ_ARMCTRL_START + INTERRUPT_DMA10) +#define IRQ_DMA11 (IRQ_ARMCTRL_START + INTERRUPT_DMA11) +#define IRQ_DMA12 (IRQ_ARMCTRL_START + INTERRUPT_DMA12) +#define IRQ_AUX (IRQ_ARMCTRL_START + INTERRUPT_AUX) +#define IRQ_ARM (IRQ_ARMCTRL_START + INTERRUPT_ARM) +#define IRQ_VPUDMA (IRQ_ARMCTRL_START + INTERRUPT_VPUDMA) +#define IRQ_HOSTPORT (IRQ_ARMCTRL_START + INTERRUPT_HOSTPORT) +#define IRQ_VIDEOSCALER (IRQ_ARMCTRL_START + INTERRUPT_VIDEOSCALER) +#define IRQ_CCP2TX (IRQ_ARMCTRL_START + INTERRUPT_CCP2TX) +#define IRQ_SDC (IRQ_ARMCTRL_START + INTERRUPT_SDC) +#define IRQ_DSI0 (IRQ_ARMCTRL_START + INTERRUPT_DSI0) +#define IRQ_AVE (IRQ_ARMCTRL_START + INTERRUPT_AVE) +#define IRQ_CAM0 (IRQ_ARMCTRL_START + INTERRUPT_CAM0) +#define IRQ_CAM1 (IRQ_ARMCTRL_START + INTERRUPT_CAM1) +#define IRQ_HDMI0 (IRQ_ARMCTRL_START + INTERRUPT_HDMI0) +#define IRQ_HDMI1 (IRQ_ARMCTRL_START + INTERRUPT_HDMI1) +#define IRQ_PIXELVALVE1 (IRQ_ARMCTRL_START + INTERRUPT_PIXELVALVE1) +#define IRQ_I2CSPISLV (IRQ_ARMCTRL_START + INTERRUPT_I2CSPISLV) +#define IRQ_DSI1 (IRQ_ARMCTRL_START + INTERRUPT_DSI1) +#define IRQ_PWA0 (IRQ_ARMCTRL_START + INTERRUPT_PWA0) +#define IRQ_PWA1 (IRQ_ARMCTRL_START + INTERRUPT_PWA1) +#define IRQ_CPR (IRQ_ARMCTRL_START + INTERRUPT_CPR) +#define IRQ_SMI (IRQ_ARMCTRL_START + INTERRUPT_SMI) +#define IRQ_GPIO0 (IRQ_ARMCTRL_START + INTERRUPT_GPIO0) +#define IRQ_GPIO1 (IRQ_ARMCTRL_START + INTERRUPT_GPIO1) +#define IRQ_GPIO2 (IRQ_ARMCTRL_START + INTERRUPT_GPIO2) +#define IRQ_GPIO3 (IRQ_ARMCTRL_START + INTERRUPT_GPIO3) +#define IRQ_I2C (IRQ_ARMCTRL_START + INTERRUPT_I2C) +#define IRQ_SPI (IRQ_ARMCTRL_START + INTERRUPT_SPI) +#define IRQ_I2SPCM (IRQ_ARMCTRL_START + INTERRUPT_I2SPCM) +#define IRQ_SDIO (IRQ_ARMCTRL_START + INTERRUPT_SDIO) +#define IRQ_UART (IRQ_ARMCTRL_START + INTERRUPT_UART) +#define IRQ_SLIMBUS (IRQ_ARMCTRL_START + INTERRUPT_SLIMBUS) +#define IRQ_VEC (IRQ_ARMCTRL_START + INTERRUPT_VEC) +#define IRQ_CPG (IRQ_ARMCTRL_START + INTERRUPT_CPG) +#define IRQ_RNG (IRQ_ARMCTRL_START + INTERRUPT_RNG) +#define IRQ_ARASANSDIO (IRQ_ARMCTRL_START + INTERRUPT_ARASANSDIO) +#define IRQ_AVSPMON (IRQ_ARMCTRL_START + INTERRUPT_AVSPMON) + +#define IRQ_ARM_TIMER (IRQ_ARMCTRL_START + INTERRUPT_ARM_TIMER) +#define IRQ_ARM_MAILBOX (IRQ_ARMCTRL_START + INTERRUPT_ARM_MAILBOX) +#define IRQ_ARM_DOORBELL_0 (IRQ_ARMCTRL_START + INTERRUPT_ARM_DOORBELL_0) +#define IRQ_ARM_DOORBELL_1 (IRQ_ARMCTRL_START + INTERRUPT_ARM_DOORBELL_1) +#define IRQ_VPU0_HALTED (IRQ_ARMCTRL_START + INTERRUPT_VPU0_HALTED) +#define IRQ_VPU1_HALTED (IRQ_ARMCTRL_START + INTERRUPT_VPU1_HALTED) +#define IRQ_ILLEGAL_TYPE0 (IRQ_ARMCTRL_START + INTERRUPT_ILLEGAL_TYPE0) +#define IRQ_ILLEGAL_TYPE1 (IRQ_ARMCTRL_START + INTERRUPT_ILLEGAL_TYPE1) +#define IRQ_PENDING1 (IRQ_ARMCTRL_START + INTERRUPT_PENDING1) +#define IRQ_PENDING2 (IRQ_ARMCTRL_START + INTERRUPT_PENDING2) + +/* + * FIQ interrupts definitions are the same as the INT definitions. + */ +#define FIQ_TIMER0 INT_TIMER0 +#define FIQ_TIMER1 INT_TIMER1 +#define FIQ_TIMER2 INT_TIMER2 +#define FIQ_TIMER3 INT_TIMER3 +#define FIQ_CODEC0 INT_CODEC0 +#define FIQ_CODEC1 INT_CODEC1 +#define FIQ_CODEC2 INT_CODEC2 +#define FIQ_JPEG INT_JPEG +#define FIQ_ISP INT_ISP +#define FIQ_USB INT_USB +#define FIQ_3D INT_3D +#define FIQ_TRANSPOSER INT_TRANSPOSER +#define FIQ_MULTICORESYNC0 INT_MULTICORESYNC0 +#define FIQ_MULTICORESYNC1 INT_MULTICORESYNC1 +#define FIQ_MULTICORESYNC2 INT_MULTICORESYNC2 +#define FIQ_MULTICORESYNC3 INT_MULTICORESYNC3 +#define FIQ_DMA0 INT_DMA0 +#define FIQ_DMA1 INT_DMA1 +#define FIQ_DMA2 INT_DMA2 +#define FIQ_DMA3 INT_DMA3 +#define FIQ_DMA4 INT_DMA4 +#define FIQ_DMA5 INT_DMA5 +#define FIQ_DMA6 INT_DMA6 +#define FIQ_DMA7 INT_DMA7 +#define FIQ_DMA8 INT_DMA8 +#define FIQ_DMA9 INT_DMA9 +#define FIQ_DMA10 INT_DMA10 +#define FIQ_DMA11 INT_DMA11 +#define FIQ_DMA12 INT_DMA12 +#define FIQ_AUX INT_AUX +#define FIQ_ARM INT_ARM +#define FIQ_VPUDMA INT_VPUDMA +#define FIQ_HOSTPORT INT_HOSTPORT +#define FIQ_VIDEOSCALER INT_VIDEOSCALER +#define FIQ_CCP2TX INT_CCP2TX +#define FIQ_SDC INT_SDC +#define FIQ_DSI0 INT_DSI0 +#define FIQ_AVE INT_AVE +#define FIQ_CAM0 INT_CAM0 +#define FIQ_CAM1 INT_CAM1 +#define FIQ_HDMI0 INT_HDMI0 +#define FIQ_HDMI1 INT_HDMI1 +#define FIQ_PIXELVALVE1 INT_PIXELVALVE1 +#define FIQ_I2CSPISLV INT_I2CSPISLV +#define FIQ_DSI1 INT_DSI1 +#define FIQ_PWA0 INT_PWA0 +#define FIQ_PWA1 INT_PWA1 +#define FIQ_CPR INT_CPR +#define FIQ_SMI INT_SMI +#define FIQ_GPIO0 INT_GPIO0 +#define FIQ_GPIO1 INT_GPIO1 +#define FIQ_GPIO2 INT_GPIO2 +#define FIQ_GPIO3 INT_GPIO3 +#define FIQ_I2C INT_I2C +#define FIQ_SPI INT_SPI +#define FIQ_I2SPCM INT_I2SPCM +#define FIQ_SDIO INT_SDIO +#define FIQ_UART INT_UART +#define FIQ_SLIMBUS INT_SLIMBUS +#define FIQ_VEC INT_VEC +#define FIQ_CPG INT_CPG +#define FIQ_RNG INT_RNG +#define FIQ_ARASANSDIO INT_ARASANSDIO +#define FIQ_AVSPMON INT_AVSPMON + +#define FIQ_ARM_TIMER INT_ARM_TIMER +#define FIQ_ARM_MAILBOX INT_ARM_MAILBOX +#define FIQ_ARM_DOORBELL_0 INT_ARM_DOORBELL_0 +#define FIQ_ARM_DOORBELL_1 INT_ARM_DOORBELL_1 +#define FIQ_VPU0_HALTED INT_VPU0_HALTED +#define FIQ_VPU1_HALTED INT_VPU1_HALTED +#define FIQ_ILLEGAL_TYPE0 INT_ILLEGAL_TYPE0 +#define FIQ_ILLEGAL_TYPE1 INT_ILLEGAL_TYPE1 +#define FIQ_PENDING1 INT_PENDING1 +#define FIQ_PENDING2 INT_PENDING2 + +#define HARD_IRQS (64 + 21) +#define GPIO_IRQ_START (HARD_IRQS) +#define GPIO_IRQS (32*5) +#define SPARE_ALLOC_IRQS 64 +#define BCM2708_ALLOC_IRQS (HARD_IRQS+FIQ_IRQS+GPIO_IRQS+SPARE_ALLOC_IRQS) +#define FREE_IRQS 128 +#define NR_IRQS (BCM2708_ALLOC_IRQS+FREE_IRQS) + +#endif /* _BCM2708_IRQS_H_ */ --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/memory.h @@ -0,0 +1,57 @@ +/* + * arch/arm/mach-bcm2708/include/mach/memory.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +/* Memory overview: + + [ARMcore] <--virtual addr--> + [ARMmmu] <--physical addr--> + [GERTmap] <--bus add--> + [VCperiph] + +*/ + +/* + * Physical DRAM offset. + */ +#define BCM_PLAT_PHYS_OFFSET UL(0x00000000) +#define VC_ARMMEM_OFFSET UL(0x00000000) /* offset in VC of ARM memory */ + +#ifdef CONFIG_BCM2708_NOL2CACHE + #define _REAL_BUS_OFFSET UL(0xC0000000) /* don't use L1 or L2 caches */ +#else + #define _REAL_BUS_OFFSET UL(0x40000000) /* use L2 cache */ +#endif + +/* We're using the memory at 64M in the VideoCore for Linux - this adjustment + * will provide the offset into this area as well as setting the bits that + * stop the L1 and L2 cache from being used + * + * WARNING: this only works because the ARM is given memory at a fixed location + * (ARMMEM_OFFSET) + */ +#define BUS_OFFSET (VC_ARMMEM_OFFSET + _REAL_BUS_OFFSET) +#define __virt_to_bus(x) ((x) + (BUS_OFFSET - PAGE_OFFSET)) +#define __bus_to_virt(x) ((x) - (BUS_OFFSET - PAGE_OFFSET)) +#define __pfn_to_bus(x) (__pfn_to_phys(x) + (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET)) +#define __bus_to_pfn(x) __phys_to_pfn((x) - (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET)) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/platform.h @@ -0,0 +1,228 @@ +/* + * arch/arm/mach-bcm2708/include/mach/platform.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _BCM2708_PLATFORM_H +#define _BCM2708_PLATFORM_H + + +/* macros to get at IO space when running virtually */ +#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000) + +#define __io_address(n) IOMEM(IO_ADDRESS(n)) + + +/* + * SDRAM + */ +#define BCM2708_SDRAM_BASE 0x00000000 + +/* + * Logic expansion modules + * + */ + + +/* ------------------------------------------------------------------------ + * BCM2708 ARMCTRL Registers + * ------------------------------------------------------------------------ + */ + +#define HW_REGISTER_RW(addr) (addr) +#define HW_REGISTER_RO(addr) (addr) + +#include "arm_control.h" +#undef ARM_BASE + +/* + * Definitions and addresses for the ARM CONTROL logic + * This file is manually generated. + */ + +#define BCM2708_PERI_BASE 0x20000000 +#define IC0_BASE (BCM2708_PERI_BASE + 0x2000) +#define ST_BASE (BCM2708_PERI_BASE + 0x3000) /* System Timer */ +#define MPHI_BASE (BCM2708_PERI_BASE + 0x6000) /* Message -based Parallel Host Interface */ +#define DMA_BASE (BCM2708_PERI_BASE + 0x7000) /* DMA controller */ +#define ARM_BASE (BCM2708_PERI_BASE + 0xB000) /* BCM2708 ARM control block */ +#define PM_BASE (BCM2708_PERI_BASE + 0x100000) /* Power Management, Reset controller and Watchdog registers */ +#define PCM_CLOCK_BASE (BCM2708_PERI_BASE + 0x101098) /* PCM Clock */ +#define RNG_BASE (BCM2708_PERI_BASE + 0x104000) /* Hardware RNG */ +#define GPIO_BASE (BCM2708_PERI_BASE + 0x200000) /* GPIO */ +#define UART0_BASE (BCM2708_PERI_BASE + 0x201000) /* Uart 0 */ +#define MMCI0_BASE (BCM2708_PERI_BASE + 0x202000) /* MMC interface */ +#define I2S_BASE (BCM2708_PERI_BASE + 0x203000) /* I2S */ +#define SPI0_BASE (BCM2708_PERI_BASE + 0x204000) /* SPI0 */ +#define BSC0_BASE (BCM2708_PERI_BASE + 0x205000) /* BSC0 I2C/TWI */ +#define UART1_BASE (BCM2708_PERI_BASE + 0x215000) /* Uart 1 */ +#define EMMC_BASE (BCM2708_PERI_BASE + 0x300000) /* eMMC interface */ +#define SMI_BASE (BCM2708_PERI_BASE + 0x600000) /* SMI */ +#define BSC1_BASE (BCM2708_PERI_BASE + 0x804000) /* BSC1 I2C/TWI */ +#define USB_BASE (BCM2708_PERI_BASE + 0x980000) /* DTC_OTG USB controller */ +#define MCORE_BASE (BCM2708_PERI_BASE + 0x0000) /* Fake frame buffer device (actually the multicore sync block*/ + +#define ARMCTRL_BASE (ARM_BASE + 0x000) +#define ARMCTRL_IC_BASE (ARM_BASE + 0x200) /* ARM interrupt controller */ +#define ARMCTRL_TIMER0_1_BASE (ARM_BASE + 0x400) /* Timer 0 and 1 */ +#define ARMCTRL_0_SBM_BASE (ARM_BASE + 0x800) /* User 0 (ARM)'s Semaphores Doorbells and Mailboxes */ + + +/* + * Interrupt assignments + */ + +#define ARM_IRQ1_BASE 0 +#define INTERRUPT_TIMER0 (ARM_IRQ1_BASE + 0) +#define INTERRUPT_TIMER1 (ARM_IRQ1_BASE + 1) +#define INTERRUPT_TIMER2 (ARM_IRQ1_BASE + 2) +#define INTERRUPT_TIMER3 (ARM_IRQ1_BASE + 3) +#define INTERRUPT_CODEC0 (ARM_IRQ1_BASE + 4) +#define INTERRUPT_CODEC1 (ARM_IRQ1_BASE + 5) +#define INTERRUPT_CODEC2 (ARM_IRQ1_BASE + 6) +#define INTERRUPT_VC_JPEG (ARM_IRQ1_BASE + 7) +#define INTERRUPT_ISP (ARM_IRQ1_BASE + 8) +#define INTERRUPT_VC_USB (ARM_IRQ1_BASE + 9) +#define INTERRUPT_VC_3D (ARM_IRQ1_BASE + 10) +#define INTERRUPT_TRANSPOSER (ARM_IRQ1_BASE + 11) +#define INTERRUPT_MULTICORESYNC0 (ARM_IRQ1_BASE + 12) +#define INTERRUPT_MULTICORESYNC1 (ARM_IRQ1_BASE + 13) +#define INTERRUPT_MULTICORESYNC2 (ARM_IRQ1_BASE + 14) +#define INTERRUPT_MULTICORESYNC3 (ARM_IRQ1_BASE + 15) +#define INTERRUPT_DMA0 (ARM_IRQ1_BASE + 16) +#define INTERRUPT_DMA1 (ARM_IRQ1_BASE + 17) +#define INTERRUPT_VC_DMA2 (ARM_IRQ1_BASE + 18) +#define INTERRUPT_VC_DMA3 (ARM_IRQ1_BASE + 19) +#define INTERRUPT_DMA4 (ARM_IRQ1_BASE + 20) +#define INTERRUPT_DMA5 (ARM_IRQ1_BASE + 21) +#define INTERRUPT_DMA6 (ARM_IRQ1_BASE + 22) +#define INTERRUPT_DMA7 (ARM_IRQ1_BASE + 23) +#define INTERRUPT_DMA8 (ARM_IRQ1_BASE + 24) +#define INTERRUPT_DMA9 (ARM_IRQ1_BASE + 25) +#define INTERRUPT_DMA10 (ARM_IRQ1_BASE + 26) +#define INTERRUPT_DMA11 (ARM_IRQ1_BASE + 27) +#define INTERRUPT_DMA12 (ARM_IRQ1_BASE + 28) +#define INTERRUPT_AUX (ARM_IRQ1_BASE + 29) +#define INTERRUPT_ARM (ARM_IRQ1_BASE + 30) +#define INTERRUPT_VPUDMA (ARM_IRQ1_BASE + 31) + +#define ARM_IRQ2_BASE 32 +#define INTERRUPT_HOSTPORT (ARM_IRQ2_BASE + 0) +#define INTERRUPT_VIDEOSCALER (ARM_IRQ2_BASE + 1) +#define INTERRUPT_CCP2TX (ARM_IRQ2_BASE + 2) +#define INTERRUPT_SDC (ARM_IRQ2_BASE + 3) +#define INTERRUPT_DSI0 (ARM_IRQ2_BASE + 4) +#define INTERRUPT_AVE (ARM_IRQ2_BASE + 5) +#define INTERRUPT_CAM0 (ARM_IRQ2_BASE + 6) +#define INTERRUPT_CAM1 (ARM_IRQ2_BASE + 7) +#define INTERRUPT_HDMI0 (ARM_IRQ2_BASE + 8) +#define INTERRUPT_HDMI1 (ARM_IRQ2_BASE + 9) +#define INTERRUPT_PIXELVALVE1 (ARM_IRQ2_BASE + 10) +#define INTERRUPT_I2CSPISLV (ARM_IRQ2_BASE + 11) +#define INTERRUPT_DSI1 (ARM_IRQ2_BASE + 12) +#define INTERRUPT_PWA0 (ARM_IRQ2_BASE + 13) +#define INTERRUPT_PWA1 (ARM_IRQ2_BASE + 14) +#define INTERRUPT_CPR (ARM_IRQ2_BASE + 15) +#define INTERRUPT_SMI (ARM_IRQ2_BASE + 16) +#define INTERRUPT_GPIO0 (ARM_IRQ2_BASE + 17) +#define INTERRUPT_GPIO1 (ARM_IRQ2_BASE + 18) +#define INTERRUPT_GPIO2 (ARM_IRQ2_BASE + 19) +#define INTERRUPT_GPIO3 (ARM_IRQ2_BASE + 20) +#define INTERRUPT_VC_I2C (ARM_IRQ2_BASE + 21) +#define INTERRUPT_VC_SPI (ARM_IRQ2_BASE + 22) +#define INTERRUPT_VC_I2SPCM (ARM_IRQ2_BASE + 23) +#define INTERRUPT_VC_SDIO (ARM_IRQ2_BASE + 24) +#define INTERRUPT_VC_UART (ARM_IRQ2_BASE + 25) +#define INTERRUPT_SLIMBUS (ARM_IRQ2_BASE + 26) +#define INTERRUPT_VEC (ARM_IRQ2_BASE + 27) +#define INTERRUPT_CPG (ARM_IRQ2_BASE + 28) +#define INTERRUPT_RNG (ARM_IRQ2_BASE + 29) +#define INTERRUPT_VC_ARASANSDIO (ARM_IRQ2_BASE + 30) +#define INTERRUPT_AVSPMON (ARM_IRQ2_BASE + 31) + +#define ARM_IRQ0_BASE 64 +#define INTERRUPT_ARM_TIMER (ARM_IRQ0_BASE + 0) +#define INTERRUPT_ARM_MAILBOX (ARM_IRQ0_BASE + 1) +#define INTERRUPT_ARM_DOORBELL_0 (ARM_IRQ0_BASE + 2) +#define INTERRUPT_ARM_DOORBELL_1 (ARM_IRQ0_BASE + 3) +#define INTERRUPT_VPU0_HALTED (ARM_IRQ0_BASE + 4) +#define INTERRUPT_VPU1_HALTED (ARM_IRQ0_BASE + 5) +#define INTERRUPT_ILLEGAL_TYPE0 (ARM_IRQ0_BASE + 6) +#define INTERRUPT_ILLEGAL_TYPE1 (ARM_IRQ0_BASE + 7) +#define INTERRUPT_PENDING1 (ARM_IRQ0_BASE + 8) +#define INTERRUPT_PENDING2 (ARM_IRQ0_BASE + 9) +#define INTERRUPT_JPEG (ARM_IRQ0_BASE + 10) +#define INTERRUPT_USB (ARM_IRQ0_BASE + 11) +#define INTERRUPT_3D (ARM_IRQ0_BASE + 12) +#define INTERRUPT_DMA2 (ARM_IRQ0_BASE + 13) +#define INTERRUPT_DMA3 (ARM_IRQ0_BASE + 14) +#define INTERRUPT_I2C (ARM_IRQ0_BASE + 15) +#define INTERRUPT_SPI (ARM_IRQ0_BASE + 16) +#define INTERRUPT_I2SPCM (ARM_IRQ0_BASE + 17) +#define INTERRUPT_SDIO (ARM_IRQ0_BASE + 18) +#define INTERRUPT_UART (ARM_IRQ0_BASE + 19) +#define INTERRUPT_ARASANSDIO (ARM_IRQ0_BASE + 20) + +#define MAXIRQNUM (32 + 32 + 20) +#define MAXFIQNUM (32 + 32 + 20) + +#define MAX_TIMER 2 +#define MAX_PERIOD 699050 +#define TICKS_PER_uSEC 1 + +/* + * These are useconds NOT ticks. + * + */ +#define mSEC_1 1000 +#define mSEC_5 (mSEC_1 * 5) +#define mSEC_10 (mSEC_1 * 10) +#define mSEC_25 (mSEC_1 * 25) +#define SEC_1 (mSEC_1 * 1000) + +/* + * Watchdog + */ +#define PM_RSTC (PM_BASE+0x1c) +#define PM_RSTS (PM_BASE+0x20) +#define PM_WDOG (PM_BASE+0x24) + +#define PM_WDOG_RESET 0000000000 +#define PM_PASSWORD 0x5a000000 +#define PM_WDOG_TIME_SET 0x000fffff +#define PM_RSTC_WRCFG_CLR 0xffffffcf +#define PM_RSTC_WRCFG_SET 0x00000030 +#define PM_RSTC_WRCFG_FULL_RESET 0x00000020 +#define PM_RSTC_RESET 0x00000102 + +#define PM_RSTS_HADPOR_SET 0x00001000 +#define PM_RSTS_HADSRH_SET 0x00000400 +#define PM_RSTS_HADSRF_SET 0x00000200 +#define PM_RSTS_HADSRQ_SET 0x00000100 +#define PM_RSTS_HADWRH_SET 0x00000040 +#define PM_RSTS_HADWRF_SET 0x00000020 +#define PM_RSTS_HADWRQ_SET 0x00000010 +#define PM_RSTS_HADDRH_SET 0x00000004 +#define PM_RSTS_HADDRF_SET 0x00000002 +#define PM_RSTS_HADDRQ_SET 0x00000001 + +#define UART0_CLOCK 3000000 + +#endif + +/* END */ --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/system.h @@ -0,0 +1,38 @@ +/* + * arch/arm/mach-bcm2708/include/mach/system.h + * + * Copyright (C) 2010 Broadcom + * Copyright (C) 2003 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include +#include +#include + +static inline void arch_idle(void) +{ + /* + * This should do all the clock switching + * and wait for interrupt tricks + */ + cpu_do_idle(); +} + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/timex.h @@ -0,0 +1,23 @@ +/* + * arch/arm/mach-bcm2708/include/mach/timex.h + * + * BCM2708 sysem clock frequency + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define CLOCK_TICK_RATE (1000000) --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/uncompress.h @@ -0,0 +1,84 @@ +/* + * arch/arm/mach-bcn2708/include/mach/uncompress.h + * + * Copyright (C) 2010 Broadcom + * Copyright (C) 2003 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include + +#define UART_BAUD 115200 + +#define BCM2708_UART_DR __io(UART0_BASE + UART01x_DR) +#define BCM2708_UART_FR __io(UART0_BASE + UART01x_FR) +#define BCM2708_UART_IBRD __io(UART0_BASE + UART011_IBRD) +#define BCM2708_UART_FBRD __io(UART0_BASE + UART011_FBRD) +#define BCM2708_UART_LCRH __io(UART0_BASE + UART011_LCRH) +#define BCM2708_UART_CR __io(UART0_BASE + UART011_CR) + +/* + * This does not append a newline + */ +static inline void putc(int c) +{ + while (__raw_readl(BCM2708_UART_FR) & UART01x_FR_TXFF) + barrier(); + + __raw_writel(c, BCM2708_UART_DR); +} + +static inline void flush(void) +{ + int fr; + + do { + fr = __raw_readl(BCM2708_UART_FR); + barrier(); + } while ((fr & (UART011_FR_TXFE | UART01x_FR_BUSY)) != UART011_FR_TXFE); +} + +static inline void arch_decomp_setup(void) +{ + int temp, div, rem, frac; + + temp = 16 * UART_BAUD; + div = UART0_CLOCK / temp; + rem = UART0_CLOCK % temp; + temp = (8 * rem) / UART_BAUD; + frac = (temp >> 1) + (temp & 1); + + /* Make sure the UART is disabled before we start */ + __raw_writel(0, BCM2708_UART_CR); + + /* Set the baud rate */ + __raw_writel(div, BCM2708_UART_IBRD); + __raw_writel(frac, BCM2708_UART_FBRD); + + /* Set the UART to 8n1, FIFO enabled */ + __raw_writel(UART01x_LCRH_WLEN_8 | UART01x_LCRH_FEN, BCM2708_UART_LCRH); + + /* Enable the UART */ + __raw_writel(UART01x_CR_UARTEN | UART011_CR_TXE | UART011_CR_RXE, + BCM2708_UART_CR); +} + +/* + * nothing to do + */ +#define arch_decomp_wdog() --- /dev/null +++ b/arch/arm/mach-bcm2708/include/mach/vmalloc.h @@ -0,0 +1,20 @@ +/* + * arch/arm/mach-bcm2708/include/mach/vmalloc.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#define VMALLOC_END (0xe8000000) --- /dev/null +++ b/arch/arm/mach-bcm2709/Kconfig @@ -0,0 +1,42 @@ +menu "Broadcom BCM2709 Implementations" + depends on ARCH_BCM2709 + +config MACH_BCM2709 + bool "Broadcom BCM2709 Development Platform" + help + Include support for the Broadcom(R) BCM2709 platform. + +config BCM2709_DT + bool "BCM2709 Device Tree support" + depends on MACH_BCM2709 + default n + select USE_OF + select ARCH_REQUIRE_GPIOLIB + select PINCTRL + select PINCTRL_BCM2835 + help + Enable Device Tree support for BCM2709 + +config BCM2708_GPIO + bool "BCM2709 gpio support" + depends on MACH_BCM2709 + select ARCH_REQUIRE_GPIOLIB + default y + help + Include support for the Broadcom(R) BCM2709 gpio. + +config BCM2708_NOL2CACHE + bool "Videocore L2 cache disable" + depends on MACH_BCM2709 + default y + help + Do not allow ARM to use GPU's L2 cache. Requires disable_l2cache in config.txt. + +config BCM2708_SPIDEV + bool "Bind spidev to SPI0 master" + depends on MACH_BCM2709 + depends on SPI + default y + help + Binds spidev driver to the SPI0 master +endmenu --- /dev/null +++ b/arch/arm/mach-bcm2709/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the linux kernel. +# + +obj-$(CONFIG_MACH_BCM2709) += bcm2709.o armctrl.o +obj-$(CONFIG_BCM2708_GPIO) += bcm2708_gpio.o --- /dev/null +++ b/arch/arm/mach-bcm2709/Makefile.boot @@ -0,0 +1,3 @@ + zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 +initrd_phys-y := 0x00800000 --- /dev/null +++ b/arch/arm/mach-bcm2709/armctrl.c @@ -0,0 +1,361 @@ +/* + * linux/arch/arm/mach-bcm2708/armctrl.c + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include "armctrl.h" + +/* For support of kernels >= 3.0 assume only one VIC for now*/ +static unsigned int remap_irqs[(INTERRUPT_ARASANSDIO + 1) - INTERRUPT_JPEG] = { + INTERRUPT_VC_JPEG, + INTERRUPT_VC_USB, + INTERRUPT_VC_3D, + INTERRUPT_VC_DMA2, + INTERRUPT_VC_DMA3, + INTERRUPT_VC_I2C, + INTERRUPT_VC_SPI, + INTERRUPT_VC_I2SPCM, + INTERRUPT_VC_SDIO, + INTERRUPT_VC_UART, + INTERRUPT_VC_ARASANSDIO +}; + +static void armctrl_mask_irq(struct irq_data *d) +{ + static const unsigned int disables[4] = { + ARM_IRQ_DIBL1, + ARM_IRQ_DIBL2, + ARM_IRQ_DIBL3, + 0 + }; + int i; + if (d->irq >= FIQ_START) { + writel(0, __io_address(ARM_IRQ_FAST)); + } else if (d->irq >= IRQ_ARM_LOCAL_CNTPSIRQ && d->irq < IRQ_ARM_LOCAL_CNTPSIRQ + 4) { +#if 1 + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - IRQ_ARM_LOCAL_CNTPSIRQ; + for (i=0; i<4; i++) // i = raw_smp_processor_id(); // + { + unsigned int val = readl(__io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 4*i)); + writel(val &~ (1 << data), __io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 4*i)); + } +#endif + } else if (d->irq >= IRQ_ARM_LOCAL_MAILBOX0 && d->irq < IRQ_ARM_LOCAL_MAILBOX0 + 4) { +#if 0 + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - IRQ_ARM_LOCAL_MAILBOX0; + for (i=0; i<4; i++) { + unsigned int val = readl(__io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 4*i)); + writel(val &~ (1 << data), __io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 4*i)); + } +#endif + } else if (d->irq >= ARM_IRQ1_BASE && d->irq < ARM_IRQ_LOCAL_BASE) { + unsigned int data = (unsigned int)irq_get_chip_data(d->irq); + writel(1 << (data & 0x1f), __io_address(disables[(data >> 5) & 0x3])); + } else if (d->irq == INTERRUPT_ARM_LOCAL_PMU_FAST) { + writel(0xf, __io_address(ARM_LOCAL_PM_ROUTING_CLR)); + } else { printk("%s: %d\n", __func__, d->irq); BUG(); } +} + +static void armctrl_unmask_irq(struct irq_data *d) +{ + static const unsigned int enables[4] = { + ARM_IRQ_ENBL1, + ARM_IRQ_ENBL2, + ARM_IRQ_ENBL3, + 0 + }; + int i; + if (d->irq >= FIQ_START) { + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - FIQ_START; + writel(0x80 | data, __io_address(ARM_IRQ_FAST)); + } else if (d->irq >= IRQ_ARM_LOCAL_CNTPSIRQ && d->irq < IRQ_ARM_LOCAL_CNTPSIRQ + 4) { +#if 1 + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - IRQ_ARM_LOCAL_CNTPSIRQ; + for (i=0; i<4; i++) // i = raw_smp_processor_id(); + { + unsigned int val = readl(__io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 4*i)); + writel(val | (1 << data), __io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 4*i)); + } +#endif + } else if (d->irq >= IRQ_ARM_LOCAL_MAILBOX0 && d->irq < IRQ_ARM_LOCAL_MAILBOX0 + 4) { +#if 0 + unsigned int data = (unsigned int)irq_get_chip_data(d->irq) - IRQ_ARM_LOCAL_MAILBOX0; + for (i=0; i<4; i++) { + unsigned int val = readl(__io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 4*i)); + writel(val | (1 << data), __io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 4*i)); + } +#endif + } else if (d->irq >= ARM_IRQ1_BASE && d->irq < ARM_IRQ_LOCAL_BASE) { + unsigned int data = (unsigned int)irq_get_chip_data(d->irq); + writel(1 << (data & 0x1f), __io_address(enables[(data >> 5) & 0x3])); + } else if (d->irq == INTERRUPT_ARM_LOCAL_PMU_FAST) { + writel(0xf, __io_address(ARM_LOCAL_PM_ROUTING_SET)); + } else { printk("%s: %d\n", __func__, d->irq); BUG(); } +} + +#ifdef CONFIG_OF + +#define NR_IRQS_BANK0 21 +#define NR_BANKS 4 +#define IRQS_PER_BANK 32 + +/* from drivers/irqchip/irq-bcm2835.c */ +static int armctrl_xlate(struct irq_domain *d, struct device_node *ctrlr, + const u32 *intspec, unsigned int intsize, + unsigned long *out_hwirq, unsigned int *out_type) +{ + if (WARN_ON(intsize != 2)) + return -EINVAL; + + if (WARN_ON(intspec[0] >= NR_BANKS)) + return -EINVAL; + + if (WARN_ON(intspec[1] >= IRQS_PER_BANK)) + return -EINVAL; + + if (WARN_ON(intspec[0] == 0 && intspec[1] >= NR_IRQS_BANK0)) + return -EINVAL; + + if (WARN_ON(intspec[0] == 3 && intspec[1] > 3 && intspec[1] != 5 && intspec[1] != 9)) + return -EINVAL; + + if (intspec[0] == 0) + *out_hwirq = ARM_IRQ0_BASE + intspec[1]; + else if (intspec[0] == 1) + *out_hwirq = ARM_IRQ1_BASE + intspec[1]; + else if (intspec[0] == 2) + *out_hwirq = ARM_IRQ2_BASE + intspec[1]; + else + *out_hwirq = ARM_IRQ_LOCAL_BASE + intspec[1]; + + /* reverse remap_irqs[] */ + switch (*out_hwirq) { + case INTERRUPT_VC_JPEG: + *out_hwirq = INTERRUPT_JPEG; + break; + case INTERRUPT_VC_USB: + *out_hwirq = INTERRUPT_USB; + break; + case INTERRUPT_VC_3D: + *out_hwirq = INTERRUPT_3D; + break; + case INTERRUPT_VC_DMA2: + *out_hwirq = INTERRUPT_DMA2; + break; + case INTERRUPT_VC_DMA3: + *out_hwirq = INTERRUPT_DMA3; + break; + case INTERRUPT_VC_I2C: + *out_hwirq = INTERRUPT_I2C; + break; + case INTERRUPT_VC_SPI: + *out_hwirq = INTERRUPT_SPI; + break; + case INTERRUPT_VC_I2SPCM: + *out_hwirq = INTERRUPT_I2SPCM; + break; + case INTERRUPT_VC_SDIO: + *out_hwirq = INTERRUPT_SDIO; + break; + case INTERRUPT_VC_UART: + *out_hwirq = INTERRUPT_UART; + break; + case INTERRUPT_VC_ARASANSDIO: + *out_hwirq = INTERRUPT_ARASANSDIO; + break; + } + + *out_type = IRQ_TYPE_NONE; + return 0; +} + +static struct irq_domain_ops armctrl_ops = { + .xlate = armctrl_xlate +}; + +void __init armctrl_dt_init(void) +{ + struct device_node *np; + struct irq_domain *domain; + + np = of_find_compatible_node(NULL, NULL, "brcm,bcm2708-armctrl-ic"); + if (!np) + return; + + domain = irq_domain_add_legacy(np, BCM2708_ALLOC_IRQS, + IRQ_ARMCTRL_START, 0, + &armctrl_ops, NULL); + WARN_ON(!domain); +} +#else +void __init armctrl_dt_init(void) { } +#endif /* CONFIG_OF */ + +#if defined(CONFIG_PM) + +/* for kernels 3.xx use the new syscore_ops apis but for older kernels use the sys dev class */ + +/* Static defines + * struct armctrl_device - VIC PM device (< 3.xx) + * @sysdev: The system device which is registered. (< 3.xx) + * @irq: The IRQ number for the base of the VIC. + * @base: The register base for the VIC. + * @resume_sources: A bitmask of interrupts for resume. + * @resume_irqs: The IRQs enabled for resume. + * @int_select: Save for VIC_INT_SELECT. + * @int_enable: Save for VIC_INT_ENABLE. + * @soft_int: Save for VIC_INT_SOFT. + * @protect: Save for VIC_PROTECT. + */ +struct armctrl_info { + void __iomem *base; + int irq; + u32 resume_sources; + u32 resume_irqs; + u32 int_select; + u32 int_enable; + u32 soft_int; + u32 protect; +} armctrl; + +static int armctrl_suspend(void) +{ + return 0; +} + +static void armctrl_resume(void) +{ + return; +} + +/** + * armctrl_pm_register - Register a VIC for later power management control + * @base: The base address of the VIC. + * @irq: The base IRQ for the VIC. + * @resume_sources: bitmask of interrupts allowed for resume sources. + * + * For older kernels (< 3.xx) do - + * Register the VIC with the system device tree so that it can be notified + * of suspend and resume requests and ensure that the correct actions are + * taken to re-instate the settings on resume. + */ +static void __init armctrl_pm_register(void __iomem * base, unsigned int irq, + u32 resume_sources) +{ + armctrl.base = base; + armctrl.resume_sources = resume_sources; + armctrl.irq = irq; +} + +static int armctrl_set_wake(struct irq_data *d, unsigned int on) +{ + unsigned int off = d->irq & 31; + u32 bit = 1 << off; + + if (!(bit & armctrl.resume_sources)) + return -EINVAL; + + if (on) + armctrl.resume_irqs |= bit; + else + armctrl.resume_irqs &= ~bit; + + return 0; +} + +#else +static inline void armctrl_pm_register(void __iomem * base, unsigned int irq, + u32 arg1) +{ +} + +#define armctrl_suspend NULL +#define armctrl_resume NULL +#define armctrl_set_wake NULL +#endif /* CONFIG_PM */ + +static struct syscore_ops armctrl_syscore_ops = { + .suspend = armctrl_suspend, + .resume = armctrl_resume, +}; + +/** + * armctrl_syscore_init - initicall to register VIC pm functions + * + * This is called via late_initcall() to register + * the resources for the VICs due to the early + * nature of the VIC's registration. +*/ +static int __init armctrl_syscore_init(void) +{ + register_syscore_ops(&armctrl_syscore_ops); + return 0; +} + +late_initcall(armctrl_syscore_init); + +static struct irq_chip armctrl_chip = { + .name = "ARMCTRL", + .irq_ack = NULL, + .irq_mask = armctrl_mask_irq, + .irq_unmask = armctrl_unmask_irq, + .irq_set_wake = armctrl_set_wake, +}; + +/** + * armctrl_init - initialise a vectored interrupt controller + * @base: iomem base address + * @irq_start: starting interrupt number, must be muliple of 32 + * @armctrl_sources: bitmask of interrupt sources to allow + * @resume_sources: bitmask of interrupt sources to allow for resume + */ +int __init armctrl_init(void __iomem * base, unsigned int irq_start, + u32 armctrl_sources, u32 resume_sources) +{ + unsigned int irq; + + for (irq = 0; irq < BCM2708_ALLOC_IRQS; irq++) { + unsigned int data = irq; + if (irq >= INTERRUPT_JPEG && irq <= INTERRUPT_ARASANSDIO) + data = remap_irqs[irq - INTERRUPT_JPEG]; + if (irq >= IRQ_ARM_LOCAL_CNTPSIRQ && irq <= IRQ_ARM_LOCAL_TIMER) { + irq_set_percpu_devid(irq); + irq_set_chip_and_handler(irq, &armctrl_chip, handle_percpu_devid_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN); + } else { + irq_set_chip_and_handler(irq, &armctrl_chip, handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + irq_set_chip_data(irq, (void *)data); + } + + armctrl_pm_register(base, irq_start, resume_sources); + init_FIQ(FIQ_START); + armctrl_dt_init(); + return 0; +} --- /dev/null +++ b/arch/arm/mach-bcm2709/armctrl.h @@ -0,0 +1,27 @@ +/* + * linux/arch/arm/mach-bcm2708/armctrl.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __BCM2708_ARMCTRL_H +#define __BCM2708_ARMCTRL_H + +extern int __init armctrl_init(void __iomem * base, unsigned int irq_start, + u32 armctrl_sources, u32 resume_sources); + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/bcm2708_gpio.c @@ -0,0 +1,426 @@ +/* + * linux/arch/arm/mach-bcm2708/bcm2708_gpio.c + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define BCM_GPIO_DRIVER_NAME "bcm2708_gpio" +#define DRIVER_NAME BCM_GPIO_DRIVER_NAME +#define BCM_GPIO_USE_IRQ 1 + +#define GPIOFSEL(x) (0x00+(x)*4) +#define GPIOSET(x) (0x1c+(x)*4) +#define GPIOCLR(x) (0x28+(x)*4) +#define GPIOLEV(x) (0x34+(x)*4) +#define GPIOEDS(x) (0x40+(x)*4) +#define GPIOREN(x) (0x4c+(x)*4) +#define GPIOFEN(x) (0x58+(x)*4) +#define GPIOHEN(x) (0x64+(x)*4) +#define GPIOLEN(x) (0x70+(x)*4) +#define GPIOAREN(x) (0x7c+(x)*4) +#define GPIOAFEN(x) (0x88+(x)*4) +#define GPIOUD(x) (0x94+(x)*4) +#define GPIOUDCLK(x) (0x98+(x)*4) + +#define GPIO_BANKS 2 + +enum { GPIO_FSEL_INPUT, GPIO_FSEL_OUTPUT, + GPIO_FSEL_ALT5, GPIO_FSEL_ALT_4, + GPIO_FSEL_ALT0, GPIO_FSEL_ALT1, + GPIO_FSEL_ALT2, GPIO_FSEL_ALT3, +}; + + /* Each of the two spinlocks protects a different set of hardware + * regiters and data structurs. This decouples the code of the IRQ from + * the GPIO code. This also makes the case of a GPIO routine call from + * the IRQ code simpler. + */ +static DEFINE_SPINLOCK(lock); /* GPIO registers */ + +struct bcm2708_gpio { + struct list_head list; + void __iomem *base; + struct gpio_chip gc; + unsigned long rising[(BCM2708_NR_GPIOS + 31) / 32]; + unsigned long falling[(BCM2708_NR_GPIOS + 31) / 32]; + unsigned long high[(BCM2708_NR_GPIOS + 31) / 32]; + unsigned long low[(BCM2708_NR_GPIOS + 31) / 32]; +}; + +static int bcm2708_set_function(struct gpio_chip *gc, unsigned offset, + int function) +{ + struct bcm2708_gpio *gpio = container_of(gc, struct bcm2708_gpio, gc); + unsigned long flags; + unsigned gpiodir; + unsigned gpio_bank = offset / 10; + unsigned gpio_field_offset = (offset - 10 * gpio_bank) * 3; + +//printk(KERN_ERR DRIVER_NAME ": bcm2708_gpio_set_function %p (%d,%d)\n", gc, offset, function); + if (offset >= BCM2708_NR_GPIOS) + return -EINVAL; + + spin_lock_irqsave(&lock, flags); + + gpiodir = readl(gpio->base + GPIOFSEL(gpio_bank)); + gpiodir &= ~(7 << gpio_field_offset); + gpiodir |= function << gpio_field_offset; + writel(gpiodir, gpio->base + GPIOFSEL(gpio_bank)); + spin_unlock_irqrestore(&lock, flags); + gpiodir = readl(gpio->base + GPIOFSEL(gpio_bank)); + + return 0; +} + +static int bcm2708_gpio_dir_in(struct gpio_chip *gc, unsigned offset) +{ + return bcm2708_set_function(gc, offset, GPIO_FSEL_INPUT); +} + +static void bcm2708_gpio_set(struct gpio_chip *gc, unsigned offset, int value); +static int bcm2708_gpio_dir_out(struct gpio_chip *gc, unsigned offset, + int value) +{ + int ret; + ret = bcm2708_set_function(gc, offset, GPIO_FSEL_OUTPUT); + if (ret >= 0) + bcm2708_gpio_set(gc, offset, value); + return ret; +} + +static int bcm2708_gpio_get(struct gpio_chip *gc, unsigned offset) +{ + struct bcm2708_gpio *gpio = container_of(gc, struct bcm2708_gpio, gc); + unsigned gpio_bank = offset / 32; + unsigned gpio_field_offset = (offset - 32 * gpio_bank); + unsigned lev; + + if (offset >= BCM2708_NR_GPIOS) + return 0; + lev = readl(gpio->base + GPIOLEV(gpio_bank)); +//printk(KERN_ERR DRIVER_NAME ": bcm2708_gpio_get %p (%d)=%d\n", gc, offset, 0x1 & (lev>>gpio_field_offset)); + return 0x1 & (lev >> gpio_field_offset); +} + +static void bcm2708_gpio_set(struct gpio_chip *gc, unsigned offset, int value) +{ + struct bcm2708_gpio *gpio = container_of(gc, struct bcm2708_gpio, gc); + unsigned gpio_bank = offset / 32; + unsigned gpio_field_offset = (offset - 32 * gpio_bank); +//printk(KERN_ERR DRIVER_NAME ": bcm2708_gpio_set %p (%d=%d)\n", gc, offset, value); + if (offset >= BCM2708_NR_GPIOS) + return; + if (value) + writel(1 << gpio_field_offset, gpio->base + GPIOSET(gpio_bank)); + else + writel(1 << gpio_field_offset, gpio->base + GPIOCLR(gpio_bank)); +} + +/********************** + * extension to configure pullups + */ +int bcm2708_gpio_setpull(struct gpio_chip *gc, unsigned offset, + bcm2708_gpio_pull_t value) +{ + struct bcm2708_gpio *gpio = container_of(gc, struct bcm2708_gpio, gc); + unsigned gpio_bank = offset / 32; + unsigned gpio_field_offset = (offset - 32 * gpio_bank); + + if (offset >= BCM2708_NR_GPIOS) + return -EINVAL; + + switch (value) { + case BCM2708_PULL_UP: + writel(2, gpio->base + GPIOUD(0)); + break; + case BCM2708_PULL_DOWN: + writel(1, gpio->base + GPIOUD(0)); + break; + case BCM2708_PULL_OFF: + writel(0, gpio->base + GPIOUD(0)); + break; + } + + udelay(5); + writel(1 << gpio_field_offset, gpio->base + GPIOUDCLK(gpio_bank)); + udelay(5); + writel(0, gpio->base + GPIOUD(0)); + writel(0 << gpio_field_offset, gpio->base + GPIOUDCLK(gpio_bank)); + + return 0; +} +EXPORT_SYMBOL(bcm2708_gpio_setpull); + +/************************************************************************************************************************* + * bcm2708 GPIO IRQ + */ + +#if BCM_GPIO_USE_IRQ + +static int bcm2708_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + return gpio_to_irq(gpio); +} + +static int bcm2708_gpio_irq_set_type(struct irq_data *d, unsigned type) +{ + unsigned irq = d->irq; + struct bcm2708_gpio *gpio = irq_get_chip_data(irq); + unsigned gn = irq_to_gpio(irq); + unsigned gb = gn / 32; + unsigned go = gn % 32; + + gpio->rising[gb] &= ~(1 << go); + gpio->falling[gb] &= ~(1 << go); + gpio->high[gb] &= ~(1 << go); + gpio->low[gb] &= ~(1 << go); + + if (type & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING | IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) + return -EINVAL; + + if (type & IRQ_TYPE_EDGE_RISING) + gpio->rising[gb] |= (1 << go); + if (type & IRQ_TYPE_EDGE_FALLING) + gpio->falling[gb] |= (1 << go); + if (type & IRQ_TYPE_LEVEL_HIGH) + gpio->high[gb] |= (1 << go); + if (type & IRQ_TYPE_LEVEL_LOW) + gpio->low[gb] |= (1 << go); + return 0; +} + +static void bcm2708_gpio_irq_mask(struct irq_data *d) +{ + unsigned irq = d->irq; + struct bcm2708_gpio *gpio = irq_get_chip_data(irq); + unsigned gn = irq_to_gpio(irq); + unsigned gb = gn / 32; + unsigned long rising = readl(gpio->base + GPIOREN(gb)); + unsigned long falling = readl(gpio->base + GPIOFEN(gb)); + unsigned long high = readl(gpio->base + GPIOHEN(gb)); + unsigned long low = readl(gpio->base + GPIOLEN(gb)); + + gn = gn % 32; + + writel(rising & ~(1 << gn), gpio->base + GPIOREN(gb)); + writel(falling & ~(1 << gn), gpio->base + GPIOFEN(gb)); + writel(high & ~(1 << gn), gpio->base + GPIOHEN(gb)); + writel(low & ~(1 << gn), gpio->base + GPIOLEN(gb)); +} + +static void bcm2708_gpio_irq_unmask(struct irq_data *d) +{ + unsigned irq = d->irq; + struct bcm2708_gpio *gpio = irq_get_chip_data(irq); + unsigned gn = irq_to_gpio(irq); + unsigned gb = gn / 32; + unsigned go = gn % 32; + unsigned long rising = readl(gpio->base + GPIOREN(gb)); + unsigned long falling = readl(gpio->base + GPIOFEN(gb)); + unsigned long high = readl(gpio->base + GPIOHEN(gb)); + unsigned long low = readl(gpio->base + GPIOLEN(gb)); + + if (gpio->rising[gb] & (1 << go)) { + writel(rising | (1 << go), gpio->base + GPIOREN(gb)); + } else { + writel(rising & ~(1 << go), gpio->base + GPIOREN(gb)); + } + + if (gpio->falling[gb] & (1 << go)) { + writel(falling | (1 << go), gpio->base + GPIOFEN(gb)); + } else { + writel(falling & ~(1 << go), gpio->base + GPIOFEN(gb)); + } + + if (gpio->high[gb] & (1 << go)) { + writel(high | (1 << go), gpio->base + GPIOHEN(gb)); + } else { + writel(high & ~(1 << go), gpio->base + GPIOHEN(gb)); + } + + if (gpio->low[gb] & (1 << go)) { + writel(low | (1 << go), gpio->base + GPIOLEN(gb)); + } else { + writel(low & ~(1 << go), gpio->base + GPIOLEN(gb)); + } +} + +static struct irq_chip bcm2708_irqchip = { + .name = "GPIO", + .irq_enable = bcm2708_gpio_irq_unmask, + .irq_disable = bcm2708_gpio_irq_mask, + .irq_unmask = bcm2708_gpio_irq_unmask, + .irq_mask = bcm2708_gpio_irq_mask, + .irq_set_type = bcm2708_gpio_irq_set_type, +}; + +static irqreturn_t bcm2708_gpio_interrupt(int irq, void *dev_id) +{ + unsigned long edsr; + unsigned bank; + int i; + unsigned gpio; + unsigned level_bits; + struct bcm2708_gpio *gpio_data = dev_id; + + for (bank = 0; bank < GPIO_BANKS; bank++) { + edsr = readl(__io_address(GPIO_BASE) + GPIOEDS(bank)); + level_bits = gpio_data->high[bank] | gpio_data->low[bank]; + + for_each_set_bit(i, &edsr, 32) { + gpio = i + bank * 32; + /* ack edge triggered IRQs immediately */ + if (!(level_bits & (1<gc.to_irq = bcm2708_gpio_to_irq; + + for (irq = GPIO_IRQ_START; irq < (GPIO_IRQ_START + GPIO_IRQS); irq++) { + irq_set_chip_data(irq, ucb); + irq_set_chip_and_handler(irq, &bcm2708_irqchip, + handle_simple_irq); + set_irq_flags(irq, IRQF_VALID); + } + + bcm2708_gpio_irq.dev_id = ucb; + setup_irq(IRQ_GPIO3, &bcm2708_gpio_irq); +} + +#else + +static void bcm2708_gpio_irq_init(struct bcm2708_gpio *ucb) +{ +} + +#endif /* #if BCM_GPIO_USE_IRQ ***************************************************************************************************************** */ + +static int bcm2708_gpio_probe(struct platform_device *dev) +{ + struct bcm2708_gpio *ucb; + struct resource *res; + int bank; + int err = 0; + + printk(KERN_INFO DRIVER_NAME ": bcm2708_gpio_probe %p\n", dev); + + ucb = kzalloc(sizeof(*ucb), GFP_KERNEL); + if (NULL == ucb) { + printk(KERN_ERR DRIVER_NAME ": failed to allocate " + "mailbox memory\n"); + err = -ENOMEM; + goto err; + } + + res = platform_get_resource(dev, IORESOURCE_MEM, 0); + + platform_set_drvdata(dev, ucb); + ucb->base = __io_address(GPIO_BASE); + + ucb->gc.label = "bcm2708_gpio"; + ucb->gc.base = 0; + ucb->gc.ngpio = BCM2708_NR_GPIOS; + ucb->gc.owner = THIS_MODULE; + + ucb->gc.direction_input = bcm2708_gpio_dir_in; + ucb->gc.direction_output = bcm2708_gpio_dir_out; + ucb->gc.get = bcm2708_gpio_get; + ucb->gc.set = bcm2708_gpio_set; + ucb->gc.can_sleep = 0; + + for (bank = 0; bank < GPIO_BANKS; bank++) { + writel(0, ucb->base + GPIOREN(bank)); + writel(0, ucb->base + GPIOFEN(bank)); + writel(0, ucb->base + GPIOHEN(bank)); + writel(0, ucb->base + GPIOLEN(bank)); + writel(0, ucb->base + GPIOAREN(bank)); + writel(0, ucb->base + GPIOAFEN(bank)); + writel(~0, ucb->base + GPIOEDS(bank)); + } + + bcm2708_gpio_irq_init(ucb); + + err = gpiochip_add(&ucb->gc); + +err: + return err; + +} + +static int bcm2708_gpio_remove(struct platform_device *dev) +{ + int err = 0; + struct bcm2708_gpio *ucb = platform_get_drvdata(dev); + + printk(KERN_ERR DRIVER_NAME ": bcm2708_gpio_remove %p\n", dev); + + gpiochip_remove(&ucb->gc); + + platform_set_drvdata(dev, NULL); + kfree(ucb); + + return err; +} + +static struct platform_driver bcm2708_gpio_driver = { + .probe = bcm2708_gpio_probe, + .remove = bcm2708_gpio_remove, + .driver = { + .name = "bcm2708_gpio"}, +}; + +static int __init bcm2708_gpio_init(void) +{ + return platform_driver_register(&bcm2708_gpio_driver); +} + +static void __exit bcm2708_gpio_exit(void) +{ + platform_driver_unregister(&bcm2708_gpio_driver); +} + +module_init(bcm2708_gpio_init); +module_exit(bcm2708_gpio_exit); + +MODULE_DESCRIPTION("Broadcom BCM2708 GPIO driver"); +MODULE_LICENSE("GPL"); --- /dev/null +++ b/arch/arm/mach-bcm2709/bcm2709.c @@ -0,0 +1,801 @@ +/* + * linux/arch/arm/mach-bcm2709/bcm2709.c + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include + +#include + +#include "bcm2709.h" +#include "armctrl.h" + +#ifdef CONFIG_BCM_VC_CMA +#include +#endif + +//#define SYSTEM_TIMER + +/* Effectively we have an IOMMU (ARM<->VideoCore map) that is set up to + * give us IO access only to 64Mbytes of physical memory (26 bits). We could + * represent this window by setting our dmamasks to 26 bits but, in fact + * we're not going to use addresses outside this range (they're not in real + * memory) so we don't bother. + * + * In the future we might include code to use this IOMMU to remap other + * physical addresses onto VideoCore memory then the use of 32-bits would be + * more legitimate. + */ +#define DMA_MASK_BITS_COMMON 32 + +/* command line parameters */ +static unsigned boardrev, serial; +static unsigned uart_clock = UART0_CLOCK; +static unsigned disk_led_gpio = 16; +static unsigned disk_led_active_low = 1; +static unsigned reboot_part = 0; + +static unsigned use_dt = 0; + +static void __init bcm2709_init_led(void); + +void __init bcm2709_init_irq(void) +{ + armctrl_init(__io_address(ARMCTRL_IC_BASE), 0, 0, 0); +} + +static struct map_desc bcm2709_io_desc[] __initdata = { + { + .virtual = IO_ADDRESS(ARMCTRL_BASE), + .pfn = __phys_to_pfn(ARMCTRL_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(UART0_BASE), + .pfn = __phys_to_pfn(UART0_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(UART1_BASE), + .pfn = __phys_to_pfn(UART1_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(DMA_BASE), + .pfn = __phys_to_pfn(DMA_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(MCORE_BASE), + .pfn = __phys_to_pfn(MCORE_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(ST_BASE), + .pfn = __phys_to_pfn(ST_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(USB_BASE), + .pfn = __phys_to_pfn(USB_BASE), + .length = SZ_128K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(PM_BASE), + .pfn = __phys_to_pfn(PM_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(GPIO_BASE), + .pfn = __phys_to_pfn(GPIO_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, + { + .virtual = IO_ADDRESS(ARM_LOCAL_BASE), + .pfn = __phys_to_pfn(ARM_LOCAL_BASE), + .length = SZ_4K, + .type = MT_DEVICE}, +}; + +void __init bcm2709_map_io(void) +{ + iotable_init(bcm2709_io_desc, ARRAY_SIZE(bcm2709_io_desc)); +} + +#ifdef SYSTEM_TIMER + +/* The STC is a free running counter that increments at the rate of 1MHz */ +#define STC_FREQ_HZ 1000000 + +static inline uint32_t timer_read(void) +{ + /* STC: a free running counter that increments at the rate of 1MHz */ + return readl(__io_address(ST_BASE + 0x04)); +} + +static unsigned long bcm2709_read_current_timer(void) +{ + return timer_read(); +} + +static u64 notrace bcm2709_read_sched_clock(void) +{ + return timer_read(); +} + +static cycle_t clksrc_read(struct clocksource *cs) +{ + return timer_read(); +} + +static struct clocksource clocksource_stc = { + .name = "stc", + .rating = 300, + .read = clksrc_read, + .mask = CLOCKSOURCE_MASK(32), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +unsigned long frc_clock_ticks32(void) +{ + return timer_read(); +} + +static void __init bcm2709_clocksource_init(void) +{ + if (clocksource_register_hz(&clocksource_stc, STC_FREQ_HZ)) { + printk(KERN_ERR "timer: failed to initialize clock " + "source %s\n", clocksource_stc.name); + } +} +#endif + +struct clk __init *bcm2709_clk_register(const char *name, unsigned long fixed_rate) +{ + struct clk *clk; + + clk = clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, + fixed_rate); + if (IS_ERR(clk)) + pr_err("%s not registered\n", name); + + return clk; +} + +void __init bcm2709_register_clkdev(struct clk *clk, const char *name) +{ + int ret; + + ret = clk_register_clkdev(clk, NULL, name); + if (ret) + pr_err("%s alias not registered\n", name); +} + +void __init bcm2709_init_clocks(void) +{ + struct clk *clk; + + clk = bcm2709_clk_register("uart0_clk", uart_clock); + bcm2709_register_clkdev(clk, "dev:f1"); + + clk = bcm2709_clk_register("sdhost_clk", 250000000); + bcm2709_register_clkdev(clk, "mmc-bcm2835.0"); + bcm2709_register_clkdev(clk, "bcm2708_spi.0"); + bcm2709_register_clkdev(clk, "bcm2708_i2c.0"); + bcm2709_register_clkdev(clk, "bcm2708_i2c.1"); +} + +#define UART0_IRQ { IRQ_UART, 0 /*NO_IRQ*/ } +#define UART0_DMA { 15, 14 } + +AMBA_DEVICE(uart0, "dev:f1", UART0, NULL); + +static struct amba_device *amba_devs[] __initdata = { + &uart0_device, +}; + +static u64 fb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON); + +static struct platform_device bcm2708_fb_device = { + .name = "bcm2708_fb", + .id = -1, /* only one bcm2708_fb */ + .resource = NULL, + .num_resources = 0, + .dev = { + .dma_mask = &fb_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON), + }, +}; + +static struct resource bcm2708_usb_resources[] = { + [0] = { + .start = USB_BASE, + .end = USB_BASE + SZ_128K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MPHI_BASE, + .end = MPHI_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = IRQ_HOSTPORT, + .end = IRQ_HOSTPORT, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = IRQ_USB, + .end = IRQ_USB, + .flags = IORESOURCE_IRQ, + }, + [4] = { + .start = ARM_LOCAL_BASE, + .end = ARM_LOCAL_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [5] = { + .start = IRQ_ARM_LOCAL_MAILBOX1, + .end = IRQ_ARM_LOCAL_MAILBOX1, + .flags = IORESOURCE_IRQ + }, +}; + + +static u64 usb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON); + +static struct platform_device bcm2708_usb_device = { + .name = "bcm2708_usb", + .id = -1, /* only one bcm2708_usb */ + .resource = bcm2708_usb_resources, + .num_resources = ARRAY_SIZE(bcm2708_usb_resources), + .dev = { + .dma_mask = &usb_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON), + }, +}; + +static struct resource bcm2708_vcio_resources[] = { + { + .start = ARMCTRL_0_MAIL0_BASE, + .end = ARMCTRL_0_MAIL0_BASE + SZ_64 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_ARM_MAILBOX, + .end = IRQ_ARM_MAILBOX, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 vcio_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON); + +static struct platform_device bcm2708_vcio_device = { + .name = "bcm2708_vcio", + .id = -1, /* only one VideoCore I/O area */ + .resource = bcm2708_vcio_resources, + .num_resources = ARRAY_SIZE(bcm2708_vcio_resources), + .dev = { + .dma_mask = &vcio_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON), + }, +}; + +int __init bcm_register_device(struct platform_device *pdev) +{ + int ret; + + ret = platform_device_register(pdev); + if (ret) + pr_debug("Unable to register platform device '%s': %d\n", + pdev->name, ret); + + return ret; +} + +/* + * Use these macros for platform and i2c devices that are present in the + * Device Tree. This way the devices are only added on non-DT systems. + */ +#define bcm_register_device_dt(pdev) \ + if (!use_dt) bcm_register_device(pdev) + +#define i2c_register_board_info_dt(busnum, info, n) \ + if (!use_dt) i2c_register_board_info(busnum, info, n) + +int calc_rsts(int partition) +{ + return PM_PASSWORD | + ((partition & (1 << 0)) << 0) | + ((partition & (1 << 1)) << 1) | + ((partition & (1 << 2)) << 2) | + ((partition & (1 << 3)) << 3) | + ((partition & (1 << 4)) << 4) | + ((partition & (1 << 5)) << 5); +} + +static void bcm2709_restart(enum reboot_mode mode, const char *cmd) +{ + extern char bcm2708_reboot_mode; + uint32_t pm_rstc, pm_wdog; + uint32_t timeout = 10; + uint32_t pm_rsts = 0; + + if(bcm2708_reboot_mode == 'q') + { + // NOOBS < 1.3 booting with reboot=q + pm_rsts = readl(__io_address(PM_RSTS)); + pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRQ_SET; + } + else if(bcm2708_reboot_mode == 'p') + { + // NOOBS < 1.3 halting + pm_rsts = readl(__io_address(PM_RSTS)); + pm_rsts = PM_PASSWORD | pm_rsts | PM_RSTS_HADWRH_SET; + } + else + { + pm_rsts = calc_rsts(reboot_part); + } + + writel(pm_rsts, __io_address(PM_RSTS)); + + /* Setup watchdog for reset */ + pm_rstc = readl(__io_address(PM_RSTC)); + + pm_wdog = PM_PASSWORD | (timeout & PM_WDOG_TIME_SET); // watchdog timer = timer clock / 16; need password (31:16) + value (11:0) + pm_rstc = PM_PASSWORD | (pm_rstc & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET; + + writel(pm_wdog, __io_address(PM_WDOG)); + writel(pm_rstc, __io_address(PM_RSTC)); +} + +/* We can't really power off, but if we do the normal reset scheme, and indicate to bootcode.bin not to reboot, then most of the chip will be powered off */ +static void bcm2709_power_off(void) +{ + extern char bcm2708_reboot_mode; + if(bcm2708_reboot_mode == 'q') + { + // NOOBS < v1.3 + bcm2709_restart('p', ""); + } + else + { + /* partition 63 is special code for HALT the bootloader knows not to boot*/ + reboot_part = 63; + /* continue with normal reset mechanism */ + bcm2709_restart(0, ""); + } +} + +static void __init bcm2709_init_uart1(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "brcm,bcm2835-aux-uart"); + if (of_device_is_available(np)) { + pr_info("bcm2709: Mini UART enabled\n"); + writel(1, __io_address(UART1_BASE + 0x4)); + } +} + +#ifdef CONFIG_OF +static void __init bcm2709_dt_init(void) +{ + int ret; + + of_clk_init(NULL); + ret = of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + if (ret) { + pr_err("of_platform_populate failed: %d\n", ret); + /* Proceed as if CONFIG_OF was not defined */ + } else { + use_dt = 1; + } +} +#else +static void __init bcm2709_dt_init(void) { } +#endif /* CONFIG_OF */ + +void __init bcm2709_init(void) +{ + int i; + +#if defined(CONFIG_BCM_VC_CMA) + vc_cma_early_init(); +#endif + printk("bcm2709.uart_clock = %d\n", uart_clock); + pm_power_off = bcm2709_power_off; + + bcm2709_init_clocks(); + bcm2709_dt_init(); + + bcm_register_device(&bcm2708_vcio_device); +#ifdef CONFIG_BCM2708_GPIO + bcm_register_device_dt(&bcm2708_gpio_device); +#endif + bcm_register_device_dt(&bcm2708_fb_device); + bcm_register_device_dt(&bcm2708_usb_device); + + bcm2708_init_led(); + bcm2708_init_uart1(); + + if (!use_dt) { + for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { + struct amba_device *d = amba_devs[i]; + amba_device_register(d, &iomem_resource); + } + } + system_rev = boardrev; + system_serial_low = serial; +} + +#ifdef SYSTEM_TIMER +static void timer_set_mode(enum clock_event_mode mode, + struct clock_event_device *clk) +{ + switch (mode) { + case CLOCK_EVT_MODE_ONESHOT: /* Leave the timer disabled, .set_next_event will enable it */ + case CLOCK_EVT_MODE_SHUTDOWN: + break; + case CLOCK_EVT_MODE_PERIODIC: + + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_RESUME: + + default: + printk(KERN_ERR "timer_set_mode: unhandled mode:%d\n", + (int)mode); + break; + } + +} + +static int timer_set_next_event(unsigned long cycles, + struct clock_event_device *unused) +{ + unsigned long stc; + do { + stc = readl(__io_address(ST_BASE + 0x04)); + /* We could take a FIQ here, which may push ST above STC3 */ + writel(stc + cycles, __io_address(ST_BASE + 0x18)); + } while ((signed long) cycles >= 0 && + (signed long) (readl(__io_address(ST_BASE + 0x04)) - stc) + >= (signed long) cycles); + return 0; +} + +static struct clock_event_device timer0_clockevent = { + .name = "timer0", + .shift = 32, + .features = CLOCK_EVT_FEAT_ONESHOT, + .set_mode = timer_set_mode, + .set_next_event = timer_set_next_event, +}; + +/* + * IRQ handler for the timer + */ +static irqreturn_t bcm2709_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *evt = &timer0_clockevent; + + writel(1 << 3, __io_address(ST_BASE + 0x00)); /* stcs clear timer int */ + + evt->event_handler(evt); + + return IRQ_HANDLED; +} + +static struct irqaction bcm2709_timer_irq = { + .name = "BCM2709 Timer Tick", + .flags = IRQF_TIMER | IRQF_IRQPOLL, + .handler = bcm2709_timer_interrupt, +}; + +/* + * Set up timer interrupt, and return the current time in seconds. + */ + +static struct delay_timer bcm2709_delay_timer = { + .read_current_timer = bcm2709_read_current_timer, + .freq = STC_FREQ_HZ, +}; + +static void __init bcm2709_timer_init(void) +{ + /* init high res timer */ + bcm2709_clocksource_init(); + + /* + * Make irqs happen for the system timer + */ + setup_irq(IRQ_TIMER3, &bcm2709_timer_irq); + + sched_clock_register(bcm2709_read_sched_clock, 32, STC_FREQ_HZ); + + timer0_clockevent.mult = + div_sc(STC_FREQ_HZ, NSEC_PER_SEC, timer0_clockevent.shift); + timer0_clockevent.max_delta_ns = + clockevent_delta2ns(0xffffffff, &timer0_clockevent); + timer0_clockevent.min_delta_ns = + clockevent_delta2ns(0xf, &timer0_clockevent); + + timer0_clockevent.cpumask = cpumask_of(0); + clockevents_register_device(&timer0_clockevent); + + register_current_timer_delay(&bcm2709_delay_timer); +} + +#else + +static void __init bcm2709_timer_init(void) +{ + extern void dc4_arch_timer_init(void); + // timer control + writel(0, __io_address(ARM_LOCAL_CONTROL)); + // timer pre_scaler + writel(0x80000000, __io_address(ARM_LOCAL_PRESCALER)); // 19.2MHz + //writel(0x06AAAAAB, __io_address(ARM_LOCAL_PRESCALER)); // 1MHz + + if (use_dt) + { + of_clk_init(NULL); + clocksource_of_init(); + } + else + dc4_arch_timer_init(); +} + +#endif + +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#include + +static struct gpio_led bcm2709_leds[] = { + [0] = { + .gpio = 16, + .name = "led0", + .default_trigger = "mmc0", + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data bcm2709_led_pdata = { + .num_leds = ARRAY_SIZE(bcm2709_leds), + .leds = bcm2709_leds, +}; + +static struct platform_device bcm2709_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &bcm2709_led_pdata, + }, +}; + +static void __init bcm2709_init_led(void) +{ + bcm2709_leds[0].gpio = disk_led_gpio; + bcm2709_leds[0].active_low = disk_led_active_low; + bcm_register_device_dt(&bcm2709_led_device); +} +#else +static inline void bcm2709_init_led(void) +{ +} +#endif + +void __init bcm2709_init_early(void) +{ + /* + * Some devices allocate their coherent buffers from atomic + * context. Increase size of atomic coherent pool to make sure such + * the allocations won't fail. + */ + init_dma_coherent_pool_size(SZ_4M); +} + +static void __init board_reserve(void) +{ +#if defined(CONFIG_BCM_VC_CMA) + vc_cma_reserve(); +#endif +} + + +#ifdef CONFIG_SMP +#include + +#include +#include +#include +int dc4=0; +//void dc4_log(unsigned x) { if (dc4) writel((x), __io_address(ST_BASE+10 + raw_smp_processor_id()*4)); } +void dc4_log_dead(unsigned x) { if (dc4) writel((readl(__io_address(ST_BASE+0x10 + raw_smp_processor_id()*4)) & 0xffff) | ((x)<<16), __io_address(ST_BASE+0x10 + raw_smp_processor_id()*4)); } + +static void bcm2835_send_doorbell(const struct cpumask *mask, unsigned int irq) +{ + int cpu; + /* + * Ensure that stores to Normal memory are visible to the + * other CPUs before issuing the IPI. + */ + dsb(); + + /* Convert our logical CPU mask into a physical one. */ + for_each_cpu(cpu, mask) + { + /* submit softirq */ + writel(1<%x)\n", __FUNCTION__, (unsigned)virt_to_phys((void *)secondary_startup), (unsigned)__io_address(ST_BASE + 0x10)); + printk("[%s] ncores=%d\n", __FUNCTION__, ncores); + + for (i = 0; i < ncores; i++) { + set_cpu_possible(i, true); + /* enable IRQ (not FIQ) */ + writel(0x1, __io_address(ARM_LOCAL_MAILBOX_INT_CONTROL0 + 0x4 * i)); + //writel(0xf, __io_address(ARM_LOCAL_TIMER_INT_CONTROL0 + 0x4 * i)); + } + set_smp_cross_call(bcm2835_send_doorbell); +} + +/* + * for arch/arm/kernel/smp.c:smp_prepare_cpus(unsigned int max_cpus) + */ +void __init bcm2709_smp_prepare_cpus(unsigned int max_cpus) +{ + //void __iomem *scu_base; + + printk("[%s] enter\n", __FUNCTION__); + //scu_base = scu_base_addr(); + //scu_enable(scu_base); +} + +/* + * for linux/arch/arm/kernel/smp.c:secondary_start_kernel(void) + */ +void __cpuinit bcm2709_secondary_init(unsigned int cpu) +{ + printk("[%s] enter cpu:%d\n", __FUNCTION__, cpu); + //gic_secondary_init(0); +} + +/* + * for linux/arch/arm/kernel/smp.c:__cpu_up(..) + */ +int __cpuinit bcm2709_boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + void secondary_startup(void); + void *mbox_set = __io_address(ARM_LOCAL_MAILBOX3_SET0 + 0x10 * MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0)); + void *mbox_clr = __io_address(ARM_LOCAL_MAILBOX3_CLR0 + 0x10 * MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0)); + unsigned secondary_boot = (unsigned)virt_to_phys((void *)secondary_startup); + int timeout=20; + unsigned t = -1; + //printk("[%s] enter cpu:%d (%x->%p) %x\n", __FUNCTION__, cpu, secondary_boot, wake, readl(wake)); + + dsb(); + BUG_ON(readl(mbox_clr) != 0); + writel(secondary_boot, mbox_set); + + while (--timeout > 0) { + t = readl(mbox_clr); + if (t == 0) break; + cpu_relax(); + } + if (timeout==0) + printk("[%s] cpu:%d failed to start (%x)\n", __FUNCTION__, cpu, t); + else + printk("[%s] cpu:%d started (%x) %d\n", __FUNCTION__, cpu, t, timeout); + + return 0; +} + + +struct smp_operations bcm2709_smp_ops __initdata = { + .smp_init_cpus = bcm2709_smp_init_cpus, + .smp_prepare_cpus = bcm2709_smp_prepare_cpus, + .smp_secondary_init = bcm2709_secondary_init, + .smp_boot_secondary = bcm2709_boot_secondary, +}; +#endif + +static const char * const bcm2709_compat[] = { + "brcm,bcm2709", + "brcm,bcm2708", /* Could use bcm2708 in a pinch */ + NULL +}; + +MACHINE_START(BCM2709, "BCM2709") + /* Maintainer: Broadcom Europe Ltd. */ +#ifdef CONFIG_SMP + .smp = smp_ops(bcm2709_smp_ops), +#endif + .map_io = bcm2709_map_io, + .init_irq = bcm2709_init_irq, + .init_time = bcm2709_timer_init, + .init_machine = bcm2709_init, + .init_early = bcm2709_init_early, + .reserve = board_reserve, + .restart = bcm2709_restart, + .dt_compat = bcm2709_compat, +MACHINE_END + +MACHINE_START(BCM2708, "BCM2709") + /* Maintainer: Broadcom Europe Ltd. */ +#ifdef CONFIG_SMP + .smp = smp_ops(bcm2709_smp_ops), +#endif + .map_io = bcm2709_map_io, + .init_irq = bcm2709_init_irq, + .init_time = bcm2709_timer_init, + .init_machine = bcm2709_init, + .init_early = bcm2709_init_early, + .reserve = board_reserve, + .restart = bcm2709_restart, + .dt_compat = bcm2709_compat, +MACHINE_END + +module_param(boardrev, uint, 0644); +module_param(serial, uint, 0644); +module_param(uart_clock, uint, 0644); +module_param(disk_led_gpio, uint, 0644); +module_param(disk_led_active_low, uint, 0644); +module_param(reboot_part, uint, 0644); --- /dev/null +++ b/arch/arm/mach-bcm2709/bcm2709.h @@ -0,0 +1,49 @@ +/* + * linux/arch/arm/mach-bcm2708/bcm2708.h + * + * BCM2708 machine support header + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __BCM2708_BCM2708_H +#define __BCM2708_BCM2708_H + +#include + +extern void __init bcm2708_init(void); +extern void __init bcm2708_init_irq(void); +extern void __init bcm2708_map_io(void); +extern struct sys_timer bcm2708_timer; +extern unsigned int mmc_status(struct device *dev); + +#define AMBA_DEVICE(name, busid, base, plat) \ +static struct amba_device name##_device = { \ + .dev = { \ + .coherent_dma_mask = ~0, \ + .init_name = busid, \ + .platform_data = plat, \ + }, \ + .res = { \ + .start = base##_BASE, \ + .end = (base##_BASE) + SZ_4K - 1,\ + .flags = IORESOURCE_MEM, \ + }, \ + .irq = base##_IRQ, \ +} + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/delay.S @@ -0,0 +1,21 @@ +/* + * linux/arch/arm/lib/delay.S + * + * Copyright (C) 1995, 1996 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include +#include +#include + + .text +.align 3 @ 8 byte alignment seems to be needed to avoid fetching stalls +@ Delay routine +ENTRY(bcm2708_delay) + subs r0, r0, #1 + bhi bcm2708_delay + mov pc, lr +ENDPROC(bcm2708_delay) --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/arm_control.h @@ -0,0 +1,493 @@ +/* + * linux/arch/arm/mach-bcm2708/arm_control.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __BCM2708_ARM_CONTROL_H +#define __BCM2708_ARM_CONTROL_H + +/* + * Definitions and addresses for the ARM CONTROL logic + * This file is manually generated. + */ + +#define ARM_BASE 0x7E00B000 + +/* Basic configuration */ +#define ARM_CONTROL0 HW_REGISTER_RW(ARM_BASE+0x000) +#define ARM_C0_SIZ128M 0x00000000 +#define ARM_C0_SIZ256M 0x00000001 +#define ARM_C0_SIZ512M 0x00000002 +#define ARM_C0_SIZ1G 0x00000003 +#define ARM_C0_BRESP0 0x00000000 +#define ARM_C0_BRESP1 0x00000004 +#define ARM_C0_BRESP2 0x00000008 +#define ARM_C0_BOOTHI 0x00000010 +#define ARM_C0_UNUSED05 0x00000020 /* free */ +#define ARM_C0_FULLPERI 0x00000040 +#define ARM_C0_UNUSED78 0x00000180 /* free */ +#define ARM_C0_JTAGMASK 0x00000E00 +#define ARM_C0_JTAGOFF 0x00000000 +#define ARM_C0_JTAGBASH 0x00000800 /* Debug on GPIO off */ +#define ARM_C0_JTAGGPIO 0x00000C00 /* Debug on GPIO on */ +#define ARM_C0_APROTMSK 0x0000F000 +#define ARM_C0_DBG0SYNC 0x00010000 /* VPU0 halt sync */ +#define ARM_C0_DBG1SYNC 0x00020000 /* VPU1 halt sync */ +#define ARM_C0_SWDBGREQ 0x00040000 /* HW debug request */ +#define ARM_C0_PASSHALT 0x00080000 /* ARM halt passed to debugger */ +#define ARM_C0_PRIO_PER 0x00F00000 /* per priority mask */ +#define ARM_C0_PRIO_L2 0x0F000000 +#define ARM_C0_PRIO_UC 0xF0000000 + +#define ARM_C0_APROTPASS 0x0000A000 /* Translate 1:1 */ +#define ARM_C0_APROTUSER 0x00000000 /* Only user mode */ +#define ARM_C0_APROTSYST 0x0000F000 /* Only system mode */ + + +#define ARM_CONTROL1 HW_REGISTER_RW(ARM_BASE+0x440) +#define ARM_C1_TIMER 0x00000001 /* re-route timer IRQ to VC */ +#define ARM_C1_MAIL 0x00000002 /* re-route Mail IRQ to VC */ +#define ARM_C1_BELL0 0x00000004 /* re-route Doorbell 0 to VC */ +#define ARM_C1_BELL1 0x00000008 /* re-route Doorbell 1 to VC */ +#define ARM_C1_PERSON 0x00000100 /* peripherals on */ +#define ARM_C1_REQSTOP 0x00000200 /* ASYNC bridge request stop */ + +#define ARM_STATUS HW_REGISTER_RW(ARM_BASE+0x444) +#define ARM_S_ACKSTOP 0x80000000 /* Bridge stopped */ +#define ARM_S_READPEND 0x000003FF /* pending reads counter */ +#define ARM_S_WRITPEND 0x000FFC00 /* pending writes counter */ + +#define ARM_ERRHALT HW_REGISTER_RW(ARM_BASE+0x448) +#define ARM_EH_PERIBURST 0x00000001 /* Burst write seen on peri bus */ +#define ARM_EH_ILLADDRS1 0x00000002 /* Address bits 25-27 error */ +#define ARM_EH_ILLADDRS2 0x00000004 /* Address bits 31-28 error */ +#define ARM_EH_VPU0HALT 0x00000008 /* VPU0 halted & in debug mode */ +#define ARM_EH_VPU1HALT 0x00000010 /* VPU1 halted & in debug mode */ +#define ARM_EH_ARMHALT 0x00000020 /* ARM in halted debug mode */ + +#define ARM_ID_SECURE HW_REGISTER_RW(ARM_BASE+0x00C) +#define ARM_ID HW_REGISTER_RW(ARM_BASE+0x44C) +#define ARM_IDVAL 0x364D5241 + +/* Translation memory */ +#define ARM_TRANSLATE HW_REGISTER_RW(ARM_BASE+0x100) +/* 32 locations: 0x100.. 0x17F */ +/* 32 spare means we CAN go to 64 pages.... */ + + +/* Interrupts */ +#define ARM_IRQ_PEND0 HW_REGISTER_RW(ARM_BASE+0x200) /* Top IRQ bits */ +#define ARM_I0_TIMER 0x00000001 /* timer IRQ */ +#define ARM_I0_MAIL 0x00000002 /* Mail IRQ */ +#define ARM_I0_BELL0 0x00000004 /* Doorbell 0 */ +#define ARM_I0_BELL1 0x00000008 /* Doorbell 1 */ +#define ARM_I0_BANK1 0x00000100 /* Bank1 IRQ */ +#define ARM_I0_BANK2 0x00000200 /* Bank2 IRQ */ + +#define ARM_IRQ_PEND1 HW_REGISTER_RW(ARM_BASE+0x204) /* All bank1 IRQ bits */ +/* todo: all I1_interrupt sources */ +#define ARM_IRQ_PEND2 HW_REGISTER_RW(ARM_BASE+0x208) /* All bank2 IRQ bits */ +/* todo: all I2_interrupt sources */ + +#define ARM_IRQ_FAST HW_REGISTER_RW(ARM_BASE+0x20C) /* FIQ control */ +#define ARM_IF_INDEX 0x0000007F /* FIQ select */ +#define ARM_IF_ENABLE 0x00000080 /* FIQ enable */ +#define ARM_IF_VCMASK 0x0000003F /* FIQ = (index from VC source) */ +#define ARM_IF_TIMER 0x00000040 /* FIQ = ARM timer */ +#define ARM_IF_MAIL 0x00000041 /* FIQ = ARM Mail */ +#define ARM_IF_BELL0 0x00000042 /* FIQ = ARM Doorbell 0 */ +#define ARM_IF_BELL1 0x00000043 /* FIQ = ARM Doorbell 1 */ +#define ARM_IF_VP0HALT 0x00000044 /* FIQ = VPU0 Halt seen */ +#define ARM_IF_VP1HALT 0x00000045 /* FIQ = VPU1 Halt seen */ +#define ARM_IF_ILLEGAL 0x00000046 /* FIQ = Illegal access seen */ + +#define ARM_IRQ_ENBL1 HW_REGISTER_RW(ARM_BASE+0x210) /* Bank1 enable bits */ +#define ARM_IRQ_ENBL2 HW_REGISTER_RW(ARM_BASE+0x214) /* Bank2 enable bits */ +#define ARM_IRQ_ENBL3 HW_REGISTER_RW(ARM_BASE+0x218) /* ARM irqs enable bits */ +#define ARM_IRQ_DIBL1 HW_REGISTER_RW(ARM_BASE+0x21C) /* Bank1 disable bits */ +#define ARM_IRQ_DIBL2 HW_REGISTER_RW(ARM_BASE+0x220) /* Bank2 disable bits */ +#define ARM_IRQ_DIBL3 HW_REGISTER_RW(ARM_BASE+0x224) /* ARM irqs disable bits */ +#define ARM_IE_TIMER 0x00000001 /* Timer IRQ */ +#define ARM_IE_MAIL 0x00000002 /* Mail IRQ */ +#define ARM_IE_BELL0 0x00000004 /* Doorbell 0 */ +#define ARM_IE_BELL1 0x00000008 /* Doorbell 1 */ +#define ARM_IE_VP0HALT 0x00000010 /* VPU0 Halt */ +#define ARM_IE_VP1HALT 0x00000020 /* VPU1 Halt */ +#define ARM_IE_ILLEGAL 0x00000040 /* Illegal access seen */ + +/* Timer */ +/* For reg. fields see sp804 spec. */ +#define ARM_T_LOAD HW_REGISTER_RW(ARM_BASE+0x400) +#define ARM_T_VALUE HW_REGISTER_RW(ARM_BASE+0x404) +#define ARM_T_CONTROL HW_REGISTER_RW(ARM_BASE+0x408) +#define ARM_T_IRQCNTL HW_REGISTER_RW(ARM_BASE+0x40C) +#define ARM_T_RAWIRQ HW_REGISTER_RW(ARM_BASE+0x410) +#define ARM_T_MSKIRQ HW_REGISTER_RW(ARM_BASE+0x414) +#define ARM_T_RELOAD HW_REGISTER_RW(ARM_BASE+0x418) +#define ARM_T_PREDIV HW_REGISTER_RW(ARM_BASE+0x41c) +#define ARM_T_FREECNT HW_REGISTER_RW(ARM_BASE+0x420) + +#define TIMER_CTRL_ONESHOT (1 << 0) +#define TIMER_CTRL_32BIT (1 << 1) +#define TIMER_CTRL_DIV1 (0 << 2) +#define TIMER_CTRL_DIV16 (1 << 2) +#define TIMER_CTRL_DIV256 (2 << 2) +#define TIMER_CTRL_IE (1 << 5) +#define TIMER_CTRL_PERIODIC (1 << 6) +#define TIMER_CTRL_ENABLE (1 << 7) +#define TIMER_CTRL_DBGHALT (1 << 8) +#define TIMER_CTRL_ENAFREE (1 << 9) +#define TIMER_CTRL_FREEDIV_SHIFT 16) +#define TIMER_CTRL_FREEDIV_MASK 0xff + +/* Semaphores, Doorbells, Mailboxes */ +#define ARM_SBM_OWN0 (ARM_BASE+0x800) +#define ARM_SBM_OWN1 (ARM_BASE+0x900) +#define ARM_SBM_OWN2 (ARM_BASE+0xA00) +#define ARM_SBM_OWN3 (ARM_BASE+0xB00) + +/* MAILBOXES + * Register flags are common across all + * owner registers. See end of this section + * + * Semaphores, Doorbells, Mailboxes Owner 0 + * + */ + +#define ARM_0_SEMS HW_REGISTER_RW(ARM_SBM_OWN0+0x00) +#define ARM_0_SEM0 HW_REGISTER_RW(ARM_SBM_OWN0+0x00) +#define ARM_0_SEM1 HW_REGISTER_RW(ARM_SBM_OWN0+0x04) +#define ARM_0_SEM2 HW_REGISTER_RW(ARM_SBM_OWN0+0x08) +#define ARM_0_SEM3 HW_REGISTER_RW(ARM_SBM_OWN0+0x0C) +#define ARM_0_SEM4 HW_REGISTER_RW(ARM_SBM_OWN0+0x10) +#define ARM_0_SEM5 HW_REGISTER_RW(ARM_SBM_OWN0+0x14) +#define ARM_0_SEM6 HW_REGISTER_RW(ARM_SBM_OWN0+0x18) +#define ARM_0_SEM7 HW_REGISTER_RW(ARM_SBM_OWN0+0x1C) +#define ARM_0_BELL0 HW_REGISTER_RW(ARM_SBM_OWN0+0x40) +#define ARM_0_BELL1 HW_REGISTER_RW(ARM_SBM_OWN0+0x44) +#define ARM_0_BELL2 HW_REGISTER_RW(ARM_SBM_OWN0+0x48) +#define ARM_0_BELL3 HW_REGISTER_RW(ARM_SBM_OWN0+0x4C) +/* MAILBOX 0 access in Owner 0 area */ +/* Some addresses should ONLY be used by owner 0 */ +#define ARM_0_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN0+0x80) /* .. 0x8C (4 locations) */ +#define ARM_0_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN0+0x80) /* .. 0x8C (4 locations) Normal read */ +#define ARM_0_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN0+0x90) /* none-pop read */ +#define ARM_0_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN0+0x94) /* Sender read (only LS 2 bits) */ +#define ARM_0_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN0+0x98) /* Status read */ +#define ARM_0_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN0+0x9C) /* Config read/write */ +/* MAILBOX 1 access in Owner 0 area */ +/* Owner 0 should only WRITE to this mailbox */ +#define ARM_0_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN0+0xA0) /* .. 0xAC (4 locations) */ +/*#define ARM_0_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN0+0xA0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_0_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN0+0xB0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_0_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN0+0xB4) */ /* DO NOT USE THIS !!!!! */ +#define ARM_0_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN0+0xB8) /* Status read */ +/*#define ARM_0_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN0+0xBC) */ /* DO NOT USE THIS !!!!! */ +/* General SEM, BELL, MAIL config/status */ +#define ARM_0_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN0+0xE0) /* semaphore clear/debug register */ +#define ARM_0_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN0+0xE4) /* Doorbells clear/debug register */ +#define ARM_0_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN0+0xF8) /* ALL interrupts */ +#define ARM_0_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN0+0xFC) /* IRQS pending for owner 0 */ + +/* Semaphores, Doorbells, Mailboxes Owner 1 */ +#define ARM_1_SEMS HW_REGISTER_RW(ARM_SBM_OWN1+0x00) +#define ARM_1_SEM0 HW_REGISTER_RW(ARM_SBM_OWN1+0x00) +#define ARM_1_SEM1 HW_REGISTER_RW(ARM_SBM_OWN1+0x04) +#define ARM_1_SEM2 HW_REGISTER_RW(ARM_SBM_OWN1+0x08) +#define ARM_1_SEM3 HW_REGISTER_RW(ARM_SBM_OWN1+0x0C) +#define ARM_1_SEM4 HW_REGISTER_RW(ARM_SBM_OWN1+0x10) +#define ARM_1_SEM5 HW_REGISTER_RW(ARM_SBM_OWN1+0x14) +#define ARM_1_SEM6 HW_REGISTER_RW(ARM_SBM_OWN1+0x18) +#define ARM_1_SEM7 HW_REGISTER_RW(ARM_SBM_OWN1+0x1C) +#define ARM_1_BELL0 HW_REGISTER_RW(ARM_SBM_OWN1+0x40) +#define ARM_1_BELL1 HW_REGISTER_RW(ARM_SBM_OWN1+0x44) +#define ARM_1_BELL2 HW_REGISTER_RW(ARM_SBM_OWN1+0x48) +#define ARM_1_BELL3 HW_REGISTER_RW(ARM_SBM_OWN1+0x4C) +/* MAILBOX 0 access in Owner 0 area */ +/* Owner 1 should only WRITE to this mailbox */ +#define ARM_1_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN1+0x80) /* .. 0x8C (4 locations) */ +/*#define ARM_1_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN1+0x80) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_1_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN1+0x90) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_1_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN1+0x94) */ /* DO NOT USE THIS !!!!! */ +#define ARM_1_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN1+0x98) /* Status read */ +/*#define ARM_1_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN1+0x9C) */ /* DO NOT USE THIS !!!!! */ +/* MAILBOX 1 access in Owner 0 area */ +#define ARM_1_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN1+0xA0) /* .. 0xAC (4 locations) */ +#define ARM_1_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN1+0xA0) /* .. 0xAC (4 locations) Normal read */ +#define ARM_1_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN1+0xB0) /* none-pop read */ +#define ARM_1_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN1+0xB4) /* Sender read (only LS 2 bits) */ +#define ARM_1_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN1+0xB8) /* Status read */ +#define ARM_1_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN1+0xBC) +/* General SEM, BELL, MAIL config/status */ +#define ARM_1_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN1+0xE0) /* semaphore clear/debug register */ +#define ARM_1_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN1+0xE4) /* Doorbells clear/debug register */ +#define ARM_1_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN1+0xFC) /* IRQS pending for owner 1 */ +#define ARM_1_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN1+0xF8) /* ALL interrupts */ + +/* Semaphores, Doorbells, Mailboxes Owner 2 */ +#define ARM_2_SEMS HW_REGISTER_RW(ARM_SBM_OWN2+0x00) +#define ARM_2_SEM0 HW_REGISTER_RW(ARM_SBM_OWN2+0x00) +#define ARM_2_SEM1 HW_REGISTER_RW(ARM_SBM_OWN2+0x04) +#define ARM_2_SEM2 HW_REGISTER_RW(ARM_SBM_OWN2+0x08) +#define ARM_2_SEM3 HW_REGISTER_RW(ARM_SBM_OWN2+0x0C) +#define ARM_2_SEM4 HW_REGISTER_RW(ARM_SBM_OWN2+0x10) +#define ARM_2_SEM5 HW_REGISTER_RW(ARM_SBM_OWN2+0x14) +#define ARM_2_SEM6 HW_REGISTER_RW(ARM_SBM_OWN2+0x18) +#define ARM_2_SEM7 HW_REGISTER_RW(ARM_SBM_OWN2+0x1C) +#define ARM_2_BELL0 HW_REGISTER_RW(ARM_SBM_OWN2+0x40) +#define ARM_2_BELL1 HW_REGISTER_RW(ARM_SBM_OWN2+0x44) +#define ARM_2_BELL2 HW_REGISTER_RW(ARM_SBM_OWN2+0x48) +#define ARM_2_BELL3 HW_REGISTER_RW(ARM_SBM_OWN2+0x4C) +/* MAILBOX 0 access in Owner 2 area */ +/* Owner 2 should only WRITE to this mailbox */ +#define ARM_2_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN2+0x80) /* .. 0x8C (4 locations) */ +/*#define ARM_2_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN2+0x80) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_2_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN2+0x90) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_2_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN2+0x94) */ /* DO NOT USE THIS !!!!! */ +#define ARM_2_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN2+0x98) /* Status read */ +/*#define ARM_2_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN2+0x9C) */ /* DO NOT USE THIS !!!!! */ +/* MAILBOX 1 access in Owner 2 area */ +/* Owner 2 should only WRITE to this mailbox */ +#define ARM_2_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN2+0xA0) /* .. 0xAC (4 locations) */ +/*#define ARM_2_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN2+0xA0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_2_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN2+0xB0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_2_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN2+0xB4) */ /* DO NOT USE THIS !!!!! */ +#define ARM_2_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN2+0xB8) /* Status read */ +/*#define ARM_2_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN2+0xBC) */ /* DO NOT USE THIS !!!!! */ +/* General SEM, BELL, MAIL config/status */ +#define ARM_2_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN2+0xE0) /* semaphore clear/debug register */ +#define ARM_2_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN2+0xE4) /* Doorbells clear/debug register */ +#define ARM_2_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN2+0xFC) /* IRQS pending for owner 2 */ +#define ARM_2_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN2+0xF8) /* ALL interrupts */ + +/* Semaphores, Doorbells, Mailboxes Owner 3 */ +#define ARM_3_SEMS HW_REGISTER_RW(ARM_SBM_OWN3+0x00) +#define ARM_3_SEM0 HW_REGISTER_RW(ARM_SBM_OWN3+0x00) +#define ARM_3_SEM1 HW_REGISTER_RW(ARM_SBM_OWN3+0x04) +#define ARM_3_SEM2 HW_REGISTER_RW(ARM_SBM_OWN3+0x08) +#define ARM_3_SEM3 HW_REGISTER_RW(ARM_SBM_OWN3+0x0C) +#define ARM_3_SEM4 HW_REGISTER_RW(ARM_SBM_OWN3+0x10) +#define ARM_3_SEM5 HW_REGISTER_RW(ARM_SBM_OWN3+0x14) +#define ARM_3_SEM6 HW_REGISTER_RW(ARM_SBM_OWN3+0x18) +#define ARM_3_SEM7 HW_REGISTER_RW(ARM_SBM_OWN3+0x1C) +#define ARM_3_BELL0 HW_REGISTER_RW(ARM_SBM_OWN3+0x40) +#define ARM_3_BELL1 HW_REGISTER_RW(ARM_SBM_OWN3+0x44) +#define ARM_3_BELL2 HW_REGISTER_RW(ARM_SBM_OWN3+0x48) +#define ARM_3_BELL3 HW_REGISTER_RW(ARM_SBM_OWN3+0x4C) +/* MAILBOX 0 access in Owner 3 area */ +/* Owner 3 should only WRITE to this mailbox */ +#define ARM_3_MAIL0_WRT HW_REGISTER_RW(ARM_SBM_OWN3+0x80) /* .. 0x8C (4 locations) */ +/*#define ARM_3_MAIL0_RD HW_REGISTER_RW(ARM_SBM_OWN3+0x80) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_3_MAIL0_POL HW_REGISTER_RW(ARM_SBM_OWN3+0x90) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_3_MAIL0_SND HW_REGISTER_RW(ARM_SBM_OWN3+0x94) */ /* DO NOT USE THIS !!!!! */ +#define ARM_3_MAIL0_STA HW_REGISTER_RW(ARM_SBM_OWN3+0x98) /* Status read */ +/*#define ARM_3_MAIL0_CNF HW_REGISTER_RW(ARM_SBM_OWN3+0x9C) */ /* DO NOT USE THIS !!!!! */ +/* MAILBOX 1 access in Owner 3 area */ +/* Owner 3 should only WRITE to this mailbox */ +#define ARM_3_MAIL1_WRT HW_REGISTER_RW(ARM_SBM_OWN3+0xA0) /* .. 0xAC (4 locations) */ +/*#define ARM_3_MAIL1_RD HW_REGISTER_RW(ARM_SBM_OWN3+0xA0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_3_MAIL1_POL HW_REGISTER_RW(ARM_SBM_OWN3+0xB0) */ /* DO NOT USE THIS !!!!! */ +/*#define ARM_3_MAIL1_SND HW_REGISTER_RW(ARM_SBM_OWN3+0xB4) */ /* DO NOT USE THIS !!!!! */ +#define ARM_3_MAIL1_STA HW_REGISTER_RW(ARM_SBM_OWN3+0xB8) /* Status read */ +/*#define ARM_3_MAIL1_CNF HW_REGISTER_RW(ARM_SBM_OWN3+0xBC) */ /* DO NOT USE THIS !!!!! */ +/* General SEM, BELL, MAIL config/status */ +#define ARM_3_SEMCLRDBG HW_REGISTER_RW(ARM_SBM_OWN3+0xE0) /* semaphore clear/debug register */ +#define ARM_3_BELLCLRDBG HW_REGISTER_RW(ARM_SBM_OWN3+0xE4) /* Doorbells clear/debug register */ +#define ARM_3_MY_IRQS HW_REGISTER_RW(ARM_SBM_OWN3+0xFC) /* IRQS pending for owner 3 */ +#define ARM_3_ALL_IRQS HW_REGISTER_RW(ARM_SBM_OWN3+0xF8) /* ALL interrupts */ + + + +/* Mailbox flags. Valid for all owners */ + +/* Mailbox status register (...0x98) */ +#define ARM_MS_FULL 0x80000000 +#define ARM_MS_EMPTY 0x40000000 +#define ARM_MS_LEVEL 0x400000FF /* Max. value depdnds on mailbox depth parameter */ + +/* MAILBOX config/status register (...0x9C) */ +/* ANY write to this register clears the error bits! */ +#define ARM_MC_IHAVEDATAIRQEN 0x00000001 /* mailbox irq enable: has data */ +#define ARM_MC_IHAVESPACEIRQEN 0x00000002 /* mailbox irq enable: has space */ +#define ARM_MC_OPPISEMPTYIRQEN 0x00000004 /* mailbox irq enable: Opp. is empty */ +#define ARM_MC_MAIL_CLEAR 0x00000008 /* mailbox clear write 1, then 0 */ +#define ARM_MC_IHAVEDATAIRQPEND 0x00000010 /* mailbox irq pending: has space */ +#define ARM_MC_IHAVESPACEIRQPEND 0x00000020 /* mailbox irq pending: Opp. is empty */ +#define ARM_MC_OPPISEMPTYIRQPEND 0x00000040 /* mailbox irq pending */ +/* Bit 7 is unused */ +#define ARM_MC_ERRNOOWN 0x00000100 /* error : none owner read from mailbox */ +#define ARM_MC_ERROVERFLW 0x00000200 /* error : write to fill mailbox */ +#define ARM_MC_ERRUNDRFLW 0x00000400 /* error : read from empty mailbox */ + +/* Semaphore clear/debug register (...0xE0) */ +#define ARM_SD_OWN0 0x00000003 /* Owner of sem 0 */ +#define ARM_SD_OWN1 0x0000000C /* Owner of sem 1 */ +#define ARM_SD_OWN2 0x00000030 /* Owner of sem 2 */ +#define ARM_SD_OWN3 0x000000C0 /* Owner of sem 3 */ +#define ARM_SD_OWN4 0x00000300 /* Owner of sem 4 */ +#define ARM_SD_OWN5 0x00000C00 /* Owner of sem 5 */ +#define ARM_SD_OWN6 0x00003000 /* Owner of sem 6 */ +#define ARM_SD_OWN7 0x0000C000 /* Owner of sem 7 */ +#define ARM_SD_SEM0 0x00010000 /* Status of sem 0 */ +#define ARM_SD_SEM1 0x00020000 /* Status of sem 1 */ +#define ARM_SD_SEM2 0x00040000 /* Status of sem 2 */ +#define ARM_SD_SEM3 0x00080000 /* Status of sem 3 */ +#define ARM_SD_SEM4 0x00100000 /* Status of sem 4 */ +#define ARM_SD_SEM5 0x00200000 /* Status of sem 5 */ +#define ARM_SD_SEM6 0x00400000 /* Status of sem 6 */ +#define ARM_SD_SEM7 0x00800000 /* Status of sem 7 */ + +/* Doorbells clear/debug register (...0xE4) */ +#define ARM_BD_OWN0 0x00000003 /* Owner of doorbell 0 */ +#define ARM_BD_OWN1 0x0000000C /* Owner of doorbell 1 */ +#define ARM_BD_OWN2 0x00000030 /* Owner of doorbell 2 */ +#define ARM_BD_OWN3 0x000000C0 /* Owner of doorbell 3 */ +#define ARM_BD_BELL0 0x00000100 /* Status of doorbell 0 */ +#define ARM_BD_BELL1 0x00000200 /* Status of doorbell 1 */ +#define ARM_BD_BELL2 0x00000400 /* Status of doorbell 2 */ +#define ARM_BD_BELL3 0x00000800 /* Status of doorbell 3 */ + +/* MY IRQS register (...0xF8) */ +#define ARM_MYIRQ_BELL 0x00000001 /* This owner has a doorbell IRQ */ +#define ARM_MYIRQ_MAIL 0x00000002 /* This owner has a mailbox IRQ */ + +/* ALL IRQS register (...0xF8) */ +#define ARM_AIS_BELL0 0x00000001 /* Doorbell 0 IRQ pending */ +#define ARM_AIS_BELL1 0x00000002 /* Doorbell 1 IRQ pending */ +#define ARM_AIS_BELL2 0x00000004 /* Doorbell 2 IRQ pending */ +#define ARM_AIS_BELL3 0x00000008 /* Doorbell 3 IRQ pending */ +#define ARM_AIS0_HAVEDATA 0x00000010 /* MAIL 0 has data IRQ pending */ +#define ARM_AIS0_HAVESPAC 0x00000020 /* MAIL 0 has space IRQ pending */ +#define ARM_AIS0_OPPEMPTY 0x00000040 /* MAIL 0 opposite is empty IRQ */ +#define ARM_AIS1_HAVEDATA 0x00000080 /* MAIL 1 has data IRQ pending */ +#define ARM_AIS1_HAVESPAC 0x00000100 /* MAIL 1 has space IRQ pending */ +#define ARM_AIS1_OPPEMPTY 0x00000200 /* MAIL 1 opposite is empty IRQ */ +/* Note that bell-0, bell-1 and MAIL0 IRQ go only to the ARM */ +/* Whilst that bell-2, bell-3 and MAIL1 IRQ go only to the VC */ +/* */ +/* ARM JTAG BASH */ +/* */ +#define AJB_BASE 0x7e2000c0 + +#define AJBCONF HW_REGISTER_RW(AJB_BASE+0x00) +#define AJB_BITS0 0x000000 +#define AJB_BITS4 0x000004 +#define AJB_BITS8 0x000008 +#define AJB_BITS12 0x00000C +#define AJB_BITS16 0x000010 +#define AJB_BITS20 0x000014 +#define AJB_BITS24 0x000018 +#define AJB_BITS28 0x00001C +#define AJB_BITS32 0x000020 +#define AJB_BITS34 0x000022 +#define AJB_OUT_MS 0x000040 +#define AJB_OUT_LS 0x000000 +#define AJB_INV_CLK 0x000080 +#define AJB_D0_RISE 0x000100 +#define AJB_D0_FALL 0x000000 +#define AJB_D1_RISE 0x000200 +#define AJB_D1_FALL 0x000000 +#define AJB_IN_RISE 0x000400 +#define AJB_IN_FALL 0x000000 +#define AJB_ENABLE 0x000800 +#define AJB_HOLD0 0x000000 +#define AJB_HOLD1 0x001000 +#define AJB_HOLD2 0x002000 +#define AJB_HOLD3 0x003000 +#define AJB_RESETN 0x004000 +#define AJB_CLKSHFT 16 +#define AJB_BUSY 0x80000000 +#define AJBTMS HW_REGISTER_RW(AJB_BASE+0x04) +#define AJBTDI HW_REGISTER_RW(AJB_BASE+0x08) +#define AJBTDO HW_REGISTER_RW(AJB_BASE+0x0c) + +#define ARM_LOCAL_BASE 0x40000000 +#define ARM_LOCAL_CONTROL HW_REGISTER_RW(ARM_LOCAL_BASE+0x000) +#define ARM_LOCAL_PRESCALER HW_REGISTER_RW(ARM_LOCAL_BASE+0x008) +#define ARM_LOCAL_GPU_INT_ROUTING HW_REGISTER_RW(ARM_LOCAL_BASE+0x00C) +#define ARM_LOCAL_PM_ROUTING_SET HW_REGISTER_RW(ARM_LOCAL_BASE+0x010) +#define ARM_LOCAL_PM_ROUTING_CLR HW_REGISTER_RW(ARM_LOCAL_BASE+0x014) +#define ARM_LOCAL_TIMER_LS HW_REGISTER_RW(ARM_LOCAL_BASE+0x01C) +#define ARM_LOCAL_TIMER_MS HW_REGISTER_RW(ARM_LOCAL_BASE+0x020) +#define ARM_LOCAL_INT_ROUTING HW_REGISTER_RW(ARM_LOCAL_BASE+0x024) +#define ARM_LOCAL_AXI_COUNT HW_REGISTER_RW(ARM_LOCAL_BASE+0x02C) +#define ARM_LOCAL_AXI_IRQ HW_REGISTER_RW(ARM_LOCAL_BASE+0x030) +#define ARM_LOCAL_TIMER_CONTROL HW_REGISTER_RW(ARM_LOCAL_BASE+0x034) +#define ARM_LOCAL_TIMER_WRITE HW_REGISTER_RW(ARM_LOCAL_BASE+0x038) + +#define ARM_LOCAL_TIMER_INT_CONTROL0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x040) +#define ARM_LOCAL_TIMER_INT_CONTROL1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x044) +#define ARM_LOCAL_TIMER_INT_CONTROL2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x048) +#define ARM_LOCAL_TIMER_INT_CONTROL3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x04C) + +#define ARM_LOCAL_MAILBOX_INT_CONTROL0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x050) +#define ARM_LOCAL_MAILBOX_INT_CONTROL1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x054) +#define ARM_LOCAL_MAILBOX_INT_CONTROL2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x058) +#define ARM_LOCAL_MAILBOX_INT_CONTROL3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x05C) + +#define ARM_LOCAL_IRQ_PENDING0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x060) +#define ARM_LOCAL_IRQ_PENDING1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x064) +#define ARM_LOCAL_IRQ_PENDING2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x068) +#define ARM_LOCAL_IRQ_PENDING3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x06C) + +#define ARM_LOCAL_FIQ_PENDING0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x070) +#define ARM_LOCAL_FIQ_PENDING1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x074) +#define ARM_LOCAL_FIQ_PENDING2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x078) +#define ARM_LOCAL_FIQ_PENDING3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x07C) + +#define ARM_LOCAL_MAILBOX0_SET0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x080) +#define ARM_LOCAL_MAILBOX1_SET0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x084) +#define ARM_LOCAL_MAILBOX2_SET0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x088) +#define ARM_LOCAL_MAILBOX3_SET0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x08C) + +#define ARM_LOCAL_MAILBOX0_SET1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x090) +#define ARM_LOCAL_MAILBOX1_SET1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x094) +#define ARM_LOCAL_MAILBOX2_SET1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x098) +#define ARM_LOCAL_MAILBOX3_SET1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x09C) + +#define ARM_LOCAL_MAILBOX0_SET2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A0) +#define ARM_LOCAL_MAILBOX1_SET2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A4) +#define ARM_LOCAL_MAILBOX2_SET2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0A8) +#define ARM_LOCAL_MAILBOX3_SET2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0AC) + +#define ARM_LOCAL_MAILBOX0_SET3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B0) +#define ARM_LOCAL_MAILBOX1_SET3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B4) +#define ARM_LOCAL_MAILBOX2_SET3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0B8) +#define ARM_LOCAL_MAILBOX3_SET3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0BC) + +#define ARM_LOCAL_MAILBOX0_CLR0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C0) +#define ARM_LOCAL_MAILBOX1_CLR0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C4) +#define ARM_LOCAL_MAILBOX2_CLR0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0C8) +#define ARM_LOCAL_MAILBOX3_CLR0 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0CC) + +#define ARM_LOCAL_MAILBOX0_CLR1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D0) +#define ARM_LOCAL_MAILBOX1_CLR1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D4) +#define ARM_LOCAL_MAILBOX2_CLR1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0D8) +#define ARM_LOCAL_MAILBOX3_CLR1 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0DC) + +#define ARM_LOCAL_MAILBOX0_CLR2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E0) +#define ARM_LOCAL_MAILBOX1_CLR2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E4) +#define ARM_LOCAL_MAILBOX2_CLR2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0E8) +#define ARM_LOCAL_MAILBOX3_CLR2 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0EC) + +#define ARM_LOCAL_MAILBOX0_CLR3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F0) +#define ARM_LOCAL_MAILBOX1_CLR3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F4) +#define ARM_LOCAL_MAILBOX2_CLR3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0F8) +#define ARM_LOCAL_MAILBOX3_CLR3 HW_REGISTER_RW(ARM_LOCAL_BASE+0x0FC) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/barriers.h @@ -0,0 +1,3 @@ +#define mb() dsb() +#define rmb() dsb() +#define wmb() mb() --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/clkdev.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_CLKDEV_H +#define __ASM_MACH_CLKDEV_H + +#define __clk_get(clk) ({ 1; }) +#define __clk_put(clk) do { } while (0) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/debug-macro.S @@ -0,0 +1,22 @@ +/* arch/arm/mach-bcm2708/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 2010 Broadcom + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include + + .macro addruart, rp, rv, tmp + ldr \rp, =UART0_BASE + ldr \rv, =IO_ADDRESS(UART0_BASE) + .endm + +#include --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/entry-macro.S @@ -0,0 +1,123 @@ +/* + * arch/arm/mach-bcm2708/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for BCM2708 platforms + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =IO_ADDRESS(ARMCTRL_IC_BASE) + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + /* get core number */ + mrc p15, 0, \tmp, c0, c0, 5 + ubfx \tmp, \tmp, #0, #2 + + /* get core's local interrupt controller */ + ldr \irqstat, = __io_address(ARM_LOCAL_IRQ_PENDING0) @ local interrupt source + add \irqstat, \irqstat, \tmp, lsl #2 + ldr \tmp, [\irqstat] + /* ignore gpu interrupt */ + bic \tmp, #0x100 + /* ignore mailbox interrupts */ + bics \tmp, #0xf0 + beq 1005f + + @ For non-zero x, LSB(x) = 31 - CLZ(x^(x-1)) + @ N.B. CLZ is an ARM5 instruction. + mov \irqnr, #(ARM_IRQ_LOCAL_BASE + 31) + sub \irqstat, \tmp, #1 + eor \irqstat, \irqstat, \tmp + clz \tmp, \irqstat + sub \irqnr, \tmp + b 1020f +1005: + /* get core number */ + mrc p15, 0, \tmp, c0, c0, 5 + ubfx \tmp, \tmp, #0, #2 + + cmp \tmp, #1 + beq 1020f + cmp \tmp, #2 + beq 1020f + cmp \tmp, #3 + beq 1020f + + /* get masked status */ + ldr \irqstat, [\base, #(ARM_IRQ_PEND0 - ARMCTRL_IC_BASE)] + mov \irqnr, #(ARM_IRQ0_BASE + 31) + and \tmp, \irqstat, #0x300 @ save bits 8 and 9 + /* clear bits 8 and 9, and test */ + bics \irqstat, \irqstat, #0x300 + bne 1010f + + tst \tmp, #0x100 + ldrne \irqstat, [\base, #(ARM_IRQ_PEND1 - ARMCTRL_IC_BASE)] + movne \irqnr, #(ARM_IRQ1_BASE + 31) + @ Mask out the interrupts also present in PEND0 - see SW-5809 + bicne \irqstat, #((1<<7) | (1<<9) | (1<<10)) + bicne \irqstat, #((1<<18) | (1<<19)) + bne 1010f + + tst \tmp, #0x200 + ldrne \irqstat, [\base, #(ARM_IRQ_PEND2 - ARMCTRL_IC_BASE)] + movne \irqnr, #(ARM_IRQ2_BASE + 31) + @ Mask out the interrupts also present in PEND0 - see SW-5809 + bicne \irqstat, #((1<<21) | (1<<22) | (1<<23) | (1<<24) | (1<<25)) + bicne \irqstat, #((1<<30)) + beq 1020f + +1010: + @ For non-zero x, LSB(x) = 31 - CLZ(x^(x-1)) + @ N.B. CLZ is an ARM5 instruction. + sub \tmp, \irqstat, #1 + eor \irqstat, \irqstat, \tmp + clz \tmp, \irqstat + sub \irqnr, \tmp + +1020: @ EQ will be set if no irqs pending + + .endm + + .macro test_for_ipi, irqnr, irqstat, base, tmp + /* get core number */ + mrc p15, 0, \tmp, c0, c0, 5 + ubfx \tmp, \tmp, #0, #2 + /* get core's mailbox interrupt control */ + ldr \irqstat, = __io_address(ARM_LOCAL_MAILBOX0_CLR0) @ mbox_clr + add \irqstat, \irqstat, \tmp, lsl #4 + ldr \tmp, [\irqstat] + cmp \tmp, #0 + beq 1030f + clz \tmp, \tmp + rsb \irqnr, \tmp, #31 + mov \tmp, #1 + lsl \tmp, \irqnr + str \tmp, [\irqstat] @ clear interrupt source + dsb +1030: @ EQ will be set if no irqs pending + .endm --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/frc.h @@ -0,0 +1,38 @@ +/* + * arch/arm/mach-bcm2708/include/mach/timex.h + * + * BCM2708 free running counter (timer) + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _MACH_FRC_H +#define _MACH_FRC_H + +#define FRC_TICK_RATE (1000000) + +/*! Free running counter incrementing at the CLOCK_TICK_RATE + (slightly faster than frc_clock_ticks63() + */ +extern unsigned long frc_clock_ticks32(void); + +/*! Free running counter incrementing at the CLOCK_TICK_RATE + * Note - top bit should be ignored (see cnt32_to_63) + */ +extern unsigned long long frc_clock_ticks63(void); + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/gpio.h @@ -0,0 +1,17 @@ +/* + * arch/arm/mach-bcm2708/include/mach/gpio.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H + +#define BCM2708_NR_GPIOS 54 // number of gpio lines + +#define gpio_to_irq(x) ((x) + GPIO_IRQ_START) +#define irq_to_gpio(x) ((x) - GPIO_IRQ_START) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/hardware.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-bcm2708/include/mach/hardware.h + * + * This file contains the hardware definitions of the BCM2708 devices. + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include +#include + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/io.h @@ -0,0 +1,27 @@ +/* + * arch/arm/mach-bcm2708/include/mach/io.h + * + * Copyright (C) 2003 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) __typesafe_io(a) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/irqs.h @@ -0,0 +1,225 @@ +/* + * arch/arm/mach-bcm2708/include/mach/irqs.h + * + * Copyright (C) 2010 Broadcom + * Copyright (C) 2003 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _BCM2708_IRQS_H_ +#define _BCM2708_IRQS_H_ + +#include + +/* + * IRQ interrupts definitions are the same as the INT definitions + * held within platform.h + */ +#define IRQ_ARMCTRL_START 0 +#define IRQ_TIMER0 (IRQ_ARMCTRL_START + INTERRUPT_TIMER0) +#define IRQ_TIMER1 (IRQ_ARMCTRL_START + INTERRUPT_TIMER1) +#define IRQ_TIMER2 (IRQ_ARMCTRL_START + INTERRUPT_TIMER2) +#define IRQ_TIMER3 (IRQ_ARMCTRL_START + INTERRUPT_TIMER3) +#define IRQ_CODEC0 (IRQ_ARMCTRL_START + INTERRUPT_CODEC0) +#define IRQ_CODEC1 (IRQ_ARMCTRL_START + INTERRUPT_CODEC1) +#define IRQ_CODEC2 (IRQ_ARMCTRL_START + INTERRUPT_CODEC2) +#define IRQ_JPEG (IRQ_ARMCTRL_START + INTERRUPT_JPEG) +#define IRQ_ISP (IRQ_ARMCTRL_START + INTERRUPT_ISP) +#define IRQ_USB (IRQ_ARMCTRL_START + INTERRUPT_USB) +#define IRQ_3D (IRQ_ARMCTRL_START + INTERRUPT_3D) +#define IRQ_TRANSPOSER (IRQ_ARMCTRL_START + INTERRUPT_TRANSPOSER) +#define IRQ_MULTICORESYNC0 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC0) +#define IRQ_MULTICORESYNC1 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC1) +#define IRQ_MULTICORESYNC2 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC2) +#define IRQ_MULTICORESYNC3 (IRQ_ARMCTRL_START + INTERRUPT_MULTICORESYNC3) +#define IRQ_DMA0 (IRQ_ARMCTRL_START + INTERRUPT_DMA0) +#define IRQ_DMA1 (IRQ_ARMCTRL_START + INTERRUPT_DMA1) +#define IRQ_DMA2 (IRQ_ARMCTRL_START + INTERRUPT_DMA2) +#define IRQ_DMA3 (IRQ_ARMCTRL_START + INTERRUPT_DMA3) +#define IRQ_DMA4 (IRQ_ARMCTRL_START + INTERRUPT_DMA4) +#define IRQ_DMA5 (IRQ_ARMCTRL_START + INTERRUPT_DMA5) +#define IRQ_DMA6 (IRQ_ARMCTRL_START + INTERRUPT_DMA6) +#define IRQ_DMA7 (IRQ_ARMCTRL_START + INTERRUPT_DMA7) +#define IRQ_DMA8 (IRQ_ARMCTRL_START + INTERRUPT_DMA8) +#define IRQ_DMA9 (IRQ_ARMCTRL_START + INTERRUPT_DMA9) +#define IRQ_DMA10 (IRQ_ARMCTRL_START + INTERRUPT_DMA10) +#define IRQ_DMA11 (IRQ_ARMCTRL_START + INTERRUPT_DMA11) +#define IRQ_DMA12 (IRQ_ARMCTRL_START + INTERRUPT_DMA12) +#define IRQ_AUX (IRQ_ARMCTRL_START + INTERRUPT_AUX) +#define IRQ_ARM (IRQ_ARMCTRL_START + INTERRUPT_ARM) +#define IRQ_VPUDMA (IRQ_ARMCTRL_START + INTERRUPT_VPUDMA) +#define IRQ_HOSTPORT (IRQ_ARMCTRL_START + INTERRUPT_HOSTPORT) +#define IRQ_VIDEOSCALER (IRQ_ARMCTRL_START + INTERRUPT_VIDEOSCALER) +#define IRQ_CCP2TX (IRQ_ARMCTRL_START + INTERRUPT_CCP2TX) +#define IRQ_SDC (IRQ_ARMCTRL_START + INTERRUPT_SDC) +#define IRQ_DSI0 (IRQ_ARMCTRL_START + INTERRUPT_DSI0) +#define IRQ_AVE (IRQ_ARMCTRL_START + INTERRUPT_AVE) +#define IRQ_CAM0 (IRQ_ARMCTRL_START + INTERRUPT_CAM0) +#define IRQ_CAM1 (IRQ_ARMCTRL_START + INTERRUPT_CAM1) +#define IRQ_HDMI0 (IRQ_ARMCTRL_START + INTERRUPT_HDMI0) +#define IRQ_HDMI1 (IRQ_ARMCTRL_START + INTERRUPT_HDMI1) +#define IRQ_PIXELVALVE1 (IRQ_ARMCTRL_START + INTERRUPT_PIXELVALVE1) +#define IRQ_I2CSPISLV (IRQ_ARMCTRL_START + INTERRUPT_I2CSPISLV) +#define IRQ_DSI1 (IRQ_ARMCTRL_START + INTERRUPT_DSI1) +#define IRQ_PWA0 (IRQ_ARMCTRL_START + INTERRUPT_PWA0) +#define IRQ_PWA1 (IRQ_ARMCTRL_START + INTERRUPT_PWA1) +#define IRQ_CPR (IRQ_ARMCTRL_START + INTERRUPT_CPR) +#define IRQ_SMI (IRQ_ARMCTRL_START + INTERRUPT_SMI) +#define IRQ_GPIO0 (IRQ_ARMCTRL_START + INTERRUPT_GPIO0) +#define IRQ_GPIO1 (IRQ_ARMCTRL_START + INTERRUPT_GPIO1) +#define IRQ_GPIO2 (IRQ_ARMCTRL_START + INTERRUPT_GPIO2) +#define IRQ_GPIO3 (IRQ_ARMCTRL_START + INTERRUPT_GPIO3) +#define IRQ_I2C (IRQ_ARMCTRL_START + INTERRUPT_I2C) +#define IRQ_SPI (IRQ_ARMCTRL_START + INTERRUPT_SPI) +#define IRQ_I2SPCM (IRQ_ARMCTRL_START + INTERRUPT_I2SPCM) +#define IRQ_SDIO (IRQ_ARMCTRL_START + INTERRUPT_SDIO) +#define IRQ_UART (IRQ_ARMCTRL_START + INTERRUPT_UART) +#define IRQ_SLIMBUS (IRQ_ARMCTRL_START + INTERRUPT_SLIMBUS) +#define IRQ_VEC (IRQ_ARMCTRL_START + INTERRUPT_VEC) +#define IRQ_CPG (IRQ_ARMCTRL_START + INTERRUPT_CPG) +#define IRQ_RNG (IRQ_ARMCTRL_START + INTERRUPT_RNG) +#define IRQ_ARASANSDIO (IRQ_ARMCTRL_START + INTERRUPT_ARASANSDIO) +#define IRQ_AVSPMON (IRQ_ARMCTRL_START + INTERRUPT_AVSPMON) + +#define IRQ_ARM_TIMER (IRQ_ARMCTRL_START + INTERRUPT_ARM_TIMER) +#define IRQ_ARM_MAILBOX (IRQ_ARMCTRL_START + INTERRUPT_ARM_MAILBOX) +#define IRQ_ARM_DOORBELL_0 (IRQ_ARMCTRL_START + INTERRUPT_ARM_DOORBELL_0) +#define IRQ_ARM_DOORBELL_1 (IRQ_ARMCTRL_START + INTERRUPT_ARM_DOORBELL_1) +#define IRQ_VPU0_HALTED (IRQ_ARMCTRL_START + INTERRUPT_VPU0_HALTED) +#define IRQ_VPU1_HALTED (IRQ_ARMCTRL_START + INTERRUPT_VPU1_HALTED) +#define IRQ_ILLEGAL_TYPE0 (IRQ_ARMCTRL_START + INTERRUPT_ILLEGAL_TYPE0) +#define IRQ_ILLEGAL_TYPE1 (IRQ_ARMCTRL_START + INTERRUPT_ILLEGAL_TYPE1) +#define IRQ_PENDING1 (IRQ_ARMCTRL_START + INTERRUPT_PENDING1) +#define IRQ_PENDING2 (IRQ_ARMCTRL_START + INTERRUPT_PENDING2) + +#define IRQ_ARM_LOCAL_CNTPSIRQ (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTPSIRQ) +#define IRQ_ARM_LOCAL_CNTPNSIRQ (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTPNSIRQ) +#define IRQ_ARM_LOCAL_CNTHPIRQ (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTHPIRQ) +#define IRQ_ARM_LOCAL_CNTVIRQ (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTVIRQ) +#define IRQ_ARM_LOCAL_MAILBOX0 (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX0) +#define IRQ_ARM_LOCAL_MAILBOX1 (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX1) +#define IRQ_ARM_LOCAL_MAILBOX2 (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX2) +#define IRQ_ARM_LOCAL_MAILBOX3 (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX3) +#define IRQ_ARM_LOCAL_GPU_FAST (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_GPU_FAST) +#define IRQ_ARM_LOCAL_PMU_FAST (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_PMU_FAST) +#define IRQ_ARM_LOCAL_ZERO (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_ZERO) +#define IRQ_ARM_LOCAL_TIMER (IRQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_TIMER) + +#define FIQ_START HARD_IRQS + +/* + * FIQ interrupts definitions are the same as the INT definitions. + */ +#define FIQ_TIMER0 (FIQ_START+INTERRUPT_TIMER0) +#define FIQ_TIMER1 (FIQ_START+INTERRUPT_TIMER1) +#define FIQ_TIMER2 (FIQ_START+INTERRUPT_TIMER2) +#define FIQ_TIMER3 (FIQ_START+INTERRUPT_TIMER3) +#define FIQ_CODEC0 (FIQ_START+INTERRUPT_CODEC0) +#define FIQ_CODEC1 (FIQ_START+INTERRUPT_CODEC1) +#define FIQ_CODEC2 (FIQ_START+INTERRUPT_CODEC2) +#define FIQ_JPEG (FIQ_START+INTERRUPT_JPEG) +#define FIQ_ISP (FIQ_START+INTERRUPT_ISP) +#define FIQ_USB (FIQ_START+INTERRUPT_USB) +#define FIQ_3D (FIQ_START+INTERRUPT_3D) +#define FIQ_TRANSPOSER (FIQ_START+INTERRUPT_TRANSPOSER) +#define FIQ_MULTICORESYNC0 (FIQ_START+INTERRUPT_MULTICORESYNC0) +#define FIQ_MULTICORESYNC1 (FIQ_START+INTERRUPT_MULTICORESYNC1) +#define FIQ_MULTICORESYNC2 (FIQ_START+INTERRUPT_MULTICORESYNC2) +#define FIQ_MULTICORESYNC3 (FIQ_START+INTERRUPT_MULTICORESYNC3) +#define FIQ_DMA0 (FIQ_START+INTERRUPT_DMA0) +#define FIQ_DMA1 (FIQ_START+INTERRUPT_DMA1) +#define FIQ_DMA2 (FIQ_START+INTERRUPT_DMA2) +#define FIQ_DMA3 (FIQ_START+INTERRUPT_DMA3) +#define FIQ_DMA4 (FIQ_START+INTERRUPT_DMA4) +#define FIQ_DMA5 (FIQ_START+INTERRUPT_DMA5) +#define FIQ_DMA6 (FIQ_START+INTERRUPT_DMA6) +#define FIQ_DMA7 (FIQ_START+INTERRUPT_DMA7) +#define FIQ_DMA8 (FIQ_START+INTERRUPT_DMA8) +#define FIQ_DMA9 (FIQ_START+INTERRUPT_DMA9) +#define FIQ_DMA10 (FIQ_START+INTERRUPT_DMA10) +#define FIQ_DMA11 (FIQ_START+INTERRUPT_DMA11) +#define FIQ_DMA12 (FIQ_START+INTERRUPT_DMA12) +#define FIQ_AUX (FIQ_START+INTERRUPT_AUX) +#define FIQ_ARM (FIQ_START+INTERRUPT_ARM) +#define FIQ_VPUDMA (FIQ_START+INTERRUPT_VPUDMA) +#define FIQ_HOSTPORT (FIQ_START+INTERRUPT_HOSTPORT) +#define FIQ_VIDEOSCALER (FIQ_START+INTERRUPT_VIDEOSCALER) +#define FIQ_CCP2TX (FIQ_START+INTERRUPT_CCP2TX) +#define FIQ_SDC (FIQ_START+INTERRUPT_SDC) +#define FIQ_DSI0 (FIQ_START+INTERRUPT_DSI0) +#define FIQ_AVE (FIQ_START+INTERRUPT_AVE) +#define FIQ_CAM0 (FIQ_START+INTERRUPT_CAM0) +#define FIQ_CAM1 (FIQ_START+INTERRUPT_CAM1) +#define FIQ_HDMI0 (FIQ_START+INTERRUPT_HDMI0) +#define FIQ_HDMI1 (FIQ_START+INTERRUPT_HDMI1) +#define FIQ_PIXELVALVE1 (FIQ_START+INTERRUPT_PIXELVALVE1) +#define FIQ_I2CSPISLV (FIQ_START+INTERRUPT_I2CSPISLV) +#define FIQ_DSI1 (FIQ_START+INTERRUPT_DSI1) +#define FIQ_PWA0 (FIQ_START+INTERRUPT_PWA0) +#define FIQ_PWA1 (FIQ_START+INTERRUPT_PWA1) +#define FIQ_CPR (FIQ_START+INTERRUPT_CPR) +#define FIQ_SMI (FIQ_START+INTERRUPT_SMI) +#define FIQ_GPIO0 (FIQ_START+INTERRUPT_GPIO0) +#define FIQ_GPIO1 (FIQ_START+INTERRUPT_GPIO1) +#define FIQ_GPIO2 (FIQ_START+INTERRUPT_GPIO2) +#define FIQ_GPIO3 (FIQ_START+INTERRUPT_GPIO3) +#define FIQ_I2C (FIQ_START+INTERRUPT_I2C) +#define FIQ_SPI (FIQ_START+INTERRUPT_SPI) +#define FIQ_I2SPCM (FIQ_START+INTERRUPT_I2SPCM) +#define FIQ_SDIO (FIQ_START+INTERRUPT_SDIO) +#define FIQ_UART (FIQ_START+INTERRUPT_UART) +#define FIQ_SLIMBUS (FIQ_START+INTERRUPT_SLIMBUS) +#define FIQ_VEC (FIQ_START+INTERRUPT_VEC) +#define FIQ_CPG (FIQ_START+INTERRUPT_CPG) +#define FIQ_RNG (FIQ_START+INTERRUPT_RNG) +#define FIQ_ARASANSDIO (FIQ_START+INTERRUPT_ARASANSDIO) +#define FIQ_AVSPMON (FIQ_START+INTERRUPT_AVSPMON) + +#define FIQ_ARM_TIMER (FIQ_START+INTERRUPT_ARM_TIMER) +#define FIQ_ARM_MAILBOX (FIQ_START+INTERRUPT_ARM_MAILBOX) +#define FIQ_ARM_DOORBELL_0 (FIQ_START+INTERRUPT_ARM_DOORBELL_0) +#define FIQ_ARM_DOORBELL_1 (FIQ_START+INTERRUPT_ARM_DOORBELL_1) +#define FIQ_VPU0_HALTED (FIQ_START+INTERRUPT_VPU0_HALTED) +#define FIQ_VPU1_HALTED (FIQ_START+INTERRUPT_VPU1_HALTED) +#define FIQ_ILLEGAL_TYPE0 (FIQ_START+INTERRUPT_ILLEGAL_TYPE0) +#define FIQ_ILLEGAL_TYPE1 (FIQ_START+INTERRUPT_ILLEGAL_TYPE1) +#define FIQ_PENDING1 (FIQ_START+INTERRUPT_PENDING1) +#define FIQ_PENDING2 (FIQ_START+INTERRUPT_PENDING2) + +#define FIQ_ARM_LOCAL_CNTPSIRQ (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTPSIRQ) +#define FIQ_ARM_LOCAL_CNTPNSIRQ (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTPNSIRQ) +#define FIQ_ARM_LOCAL_CNTHPIRQ (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTHPIRQ) +#define FIQ_ARM_LOCAL_CNTVIRQ (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_CNTVIRQ) +#define FIQ_ARM_LOCAL_MAILBOX0 (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX0) +#define FIQ_ARM_LOCAL_MAILBOX1 (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX1) +#define FIQ_ARM_LOCAL_MAILBOX2 (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX2) +#define FIQ_ARM_LOCAL_MAILBOX3 (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_MAILBOX3) +#define FIQ_ARM_LOCAL_GPU_FAST (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_GPU_FAST) +#define FIQ_ARM_LOCAL_PMU_FAST (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_PMU_FAST) +#define FIQ_ARM_LOCAL_ZERO (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_ZERO) +#define FIQ_ARM_LOCAL_TIMER (FIQ_ARMCTRL_START + INTERRUPT_ARM_LOCAL_TIMER) + +#define HARD_IRQS (128) +#define FIQ_IRQS (128) +#define GPIO_IRQ_START (HARD_IRQS + FIQ_IRQS) +#define GPIO_IRQS (32*5) +#define SPARE_ALLOC_IRQS 64 +#define BCM2708_ALLOC_IRQS (HARD_IRQS+FIQ_IRQS+GPIO_IRQS+SPARE_ALLOC_IRQS) +#define FREE_IRQS 128 +#define NR_IRQS (BCM2708_ALLOC_IRQS+FREE_IRQS) + +#endif /* _BCM2708_IRQS_H_ */ --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/memory.h @@ -0,0 +1,57 @@ +/* + * arch/arm/mach-bcm2708/include/mach/memory.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +/* Memory overview: + + [ARMcore] <--virtual addr--> + [ARMmmu] <--physical addr--> + [GERTmap] <--bus add--> + [VCperiph] + +*/ + +/* + * Physical DRAM offset. + */ +#define BCM_PLAT_PHYS_OFFSET UL(0x00000000) +#define VC_ARMMEM_OFFSET UL(0x00000000) /* offset in VC of ARM memory */ + +#ifdef CONFIG_BCM2708_NOL2CACHE + #define _REAL_BUS_OFFSET UL(0xC0000000) /* don't use L1 or L2 caches */ +#else + #define _REAL_BUS_OFFSET UL(0x40000000) /* use L2 cache */ +#endif + +/* We're using the memory at 64M in the VideoCore for Linux - this adjustment + * will provide the offset into this area as well as setting the bits that + * stop the L1 and L2 cache from being used + * + * WARNING: this only works because the ARM is given memory at a fixed location + * (ARMMEM_OFFSET) + */ +#define BUS_OFFSET (VC_ARMMEM_OFFSET + _REAL_BUS_OFFSET) +#define __virt_to_bus(x) ((x) + (BUS_OFFSET - PAGE_OFFSET)) +#define __bus_to_virt(x) ((x) - (BUS_OFFSET - PAGE_OFFSET)) +#define __pfn_to_bus(x) (__pfn_to_phys(x) + (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET)) +#define __bus_to_pfn(x) __phys_to_pfn((x) - (BUS_OFFSET - BCM_PLAT_PHYS_OFFSET)) + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/platform.h @@ -0,0 +1,225 @@ +/* + * arch/arm/mach-bcm2708/include/mach/platform.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _BCM2708_PLATFORM_H +#define _BCM2708_PLATFORM_H + + +/* macros to get at IO space when running virtually */ +#define IO_ADDRESS(x) (((x) & 0x00ffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000) + +#define __io_address(n) IOMEM(IO_ADDRESS(n)) + + +/* + * SDRAM + */ +#define BCM2708_SDRAM_BASE 0x00000000 + +/* + * Logic expansion modules + * + */ + + +/* ------------------------------------------------------------------------ + * BCM2708 ARMCTRL Registers + * ------------------------------------------------------------------------ + */ + +#define HW_REGISTER_RW(addr) (addr) +#define HW_REGISTER_RO(addr) (addr) + +#include "arm_control.h" +#undef ARM_BASE + +/* + * Definitions and addresses for the ARM CONTROL logic + * This file is manually generated. + */ + +#define BCM2708_PERI_BASE 0x3F000000 +#define IC0_BASE (BCM2708_PERI_BASE + 0x2000) +#define ST_BASE (BCM2708_PERI_BASE + 0x3000) /* System Timer */ +#define MPHI_BASE (BCM2708_PERI_BASE + 0x6000) /* Message -based Parallel Host Interface */ +#define DMA_BASE (BCM2708_PERI_BASE + 0x7000) /* DMA controller */ +#define ARM_BASE (BCM2708_PERI_BASE + 0xB000) /* BCM2708 ARM control block */ +#define PM_BASE (BCM2708_PERI_BASE + 0x100000) /* Power Management, Reset controller and Watchdog registers */ +#define PCM_CLOCK_BASE (BCM2708_PERI_BASE + 0x101098) /* PCM Clock */ +#define RNG_BASE (BCM2708_PERI_BASE + 0x104000) /* Hardware RNG */ +#define GPIO_BASE (BCM2708_PERI_BASE + 0x200000) /* GPIO */ +#define UART0_BASE (BCM2708_PERI_BASE + 0x201000) /* Uart 0 */ +#define MMCI0_BASE (BCM2708_PERI_BASE + 0x202000) /* MMC interface */ +#define I2S_BASE (BCM2708_PERI_BASE + 0x203000) /* I2S */ +#define SPI0_BASE (BCM2708_PERI_BASE + 0x204000) /* SPI0 */ +#define BSC0_BASE (BCM2708_PERI_BASE + 0x205000) /* BSC0 I2C/TWI */ +#define UART1_BASE (BCM2708_PERI_BASE + 0x215000) /* Uart 1 */ +#define EMMC_BASE (BCM2708_PERI_BASE + 0x300000) /* eMMC interface */ +#define SMI_BASE (BCM2708_PERI_BASE + 0x600000) /* SMI */ +#define BSC1_BASE (BCM2708_PERI_BASE + 0x804000) /* BSC1 I2C/TWI */ +#define USB_BASE (BCM2708_PERI_BASE + 0x980000) /* DTC_OTG USB controller */ +#define MCORE_BASE (BCM2708_PERI_BASE + 0x0000) /* Fake frame buffer device (actually the multicore sync block*/ + +#define ARMCTRL_BASE (ARM_BASE + 0x000) +#define ARMCTRL_IC_BASE (ARM_BASE + 0x200) /* ARM interrupt controller */ +#define ARMCTRL_TIMER0_1_BASE (ARM_BASE + 0x400) /* Timer 0 and 1 */ +#define ARMCTRL_0_SBM_BASE (ARM_BASE + 0x800) /* User 0 (ARM)'s Semaphores Doorbells and Mailboxes */ + + +/* + * Interrupt assignments + */ + +#define ARM_IRQ1_BASE 0 +#define INTERRUPT_TIMER0 (ARM_IRQ1_BASE + 0) +#define INTERRUPT_TIMER1 (ARM_IRQ1_BASE + 1) +#define INTERRUPT_TIMER2 (ARM_IRQ1_BASE + 2) +#define INTERRUPT_TIMER3 (ARM_IRQ1_BASE + 3) +#define INTERRUPT_CODEC0 (ARM_IRQ1_BASE + 4) +#define INTERRUPT_CODEC1 (ARM_IRQ1_BASE + 5) +#define INTERRUPT_CODEC2 (ARM_IRQ1_BASE + 6) +#define INTERRUPT_VC_JPEG (ARM_IRQ1_BASE + 7) +#define INTERRUPT_ISP (ARM_IRQ1_BASE + 8) +#define INTERRUPT_VC_USB (ARM_IRQ1_BASE + 9) +#define INTERRUPT_VC_3D (ARM_IRQ1_BASE + 10) +#define INTERRUPT_TRANSPOSER (ARM_IRQ1_BASE + 11) +#define INTERRUPT_MULTICORESYNC0 (ARM_IRQ1_BASE + 12) +#define INTERRUPT_MULTICORESYNC1 (ARM_IRQ1_BASE + 13) +#define INTERRUPT_MULTICORESYNC2 (ARM_IRQ1_BASE + 14) +#define INTERRUPT_MULTICORESYNC3 (ARM_IRQ1_BASE + 15) +#define INTERRUPT_DMA0 (ARM_IRQ1_BASE + 16) +#define INTERRUPT_DMA1 (ARM_IRQ1_BASE + 17) +#define INTERRUPT_VC_DMA2 (ARM_IRQ1_BASE + 18) +#define INTERRUPT_VC_DMA3 (ARM_IRQ1_BASE + 19) +#define INTERRUPT_DMA4 (ARM_IRQ1_BASE + 20) +#define INTERRUPT_DMA5 (ARM_IRQ1_BASE + 21) +#define INTERRUPT_DMA6 (ARM_IRQ1_BASE + 22) +#define INTERRUPT_DMA7 (ARM_IRQ1_BASE + 23) +#define INTERRUPT_DMA8 (ARM_IRQ1_BASE + 24) +#define INTERRUPT_DMA9 (ARM_IRQ1_BASE + 25) +#define INTERRUPT_DMA10 (ARM_IRQ1_BASE + 26) +#define INTERRUPT_DMA11 (ARM_IRQ1_BASE + 27) +#define INTERRUPT_DMA12 (ARM_IRQ1_BASE + 28) +#define INTERRUPT_AUX (ARM_IRQ1_BASE + 29) +#define INTERRUPT_ARM (ARM_IRQ1_BASE + 30) +#define INTERRUPT_VPUDMA (ARM_IRQ1_BASE + 31) + +#define ARM_IRQ2_BASE 32 +#define INTERRUPT_HOSTPORT (ARM_IRQ2_BASE + 0) +#define INTERRUPT_VIDEOSCALER (ARM_IRQ2_BASE + 1) +#define INTERRUPT_CCP2TX (ARM_IRQ2_BASE + 2) +#define INTERRUPT_SDC (ARM_IRQ2_BASE + 3) +#define INTERRUPT_DSI0 (ARM_IRQ2_BASE + 4) +#define INTERRUPT_AVE (ARM_IRQ2_BASE + 5) +#define INTERRUPT_CAM0 (ARM_IRQ2_BASE + 6) +#define INTERRUPT_CAM1 (ARM_IRQ2_BASE + 7) +#define INTERRUPT_HDMI0 (ARM_IRQ2_BASE + 8) +#define INTERRUPT_HDMI1 (ARM_IRQ2_BASE + 9) +#define INTERRUPT_PIXELVALVE1 (ARM_IRQ2_BASE + 10) +#define INTERRUPT_I2CSPISLV (ARM_IRQ2_BASE + 11) +#define INTERRUPT_DSI1 (ARM_IRQ2_BASE + 12) +#define INTERRUPT_PWA0 (ARM_IRQ2_BASE + 13) +#define INTERRUPT_PWA1 (ARM_IRQ2_BASE + 14) +#define INTERRUPT_CPR (ARM_IRQ2_BASE + 15) +#define INTERRUPT_SMI (ARM_IRQ2_BASE + 16) +#define INTERRUPT_GPIO0 (ARM_IRQ2_BASE + 17) +#define INTERRUPT_GPIO1 (ARM_IRQ2_BASE + 18) +#define INTERRUPT_GPIO2 (ARM_IRQ2_BASE + 19) +#define INTERRUPT_GPIO3 (ARM_IRQ2_BASE + 20) +#define INTERRUPT_VC_I2C (ARM_IRQ2_BASE + 21) +#define INTERRUPT_VC_SPI (ARM_IRQ2_BASE + 22) +#define INTERRUPT_VC_I2SPCM (ARM_IRQ2_BASE + 23) +#define INTERRUPT_VC_SDIO (ARM_IRQ2_BASE + 24) +#define INTERRUPT_VC_UART (ARM_IRQ2_BASE + 25) +#define INTERRUPT_SLIMBUS (ARM_IRQ2_BASE + 26) +#define INTERRUPT_VEC (ARM_IRQ2_BASE + 27) +#define INTERRUPT_CPG (ARM_IRQ2_BASE + 28) +#define INTERRUPT_RNG (ARM_IRQ2_BASE + 29) +#define INTERRUPT_VC_ARASANSDIO (ARM_IRQ2_BASE + 30) +#define INTERRUPT_AVSPMON (ARM_IRQ2_BASE + 31) + +#define ARM_IRQ0_BASE 64 +#define INTERRUPT_ARM_TIMER (ARM_IRQ0_BASE + 0) +#define INTERRUPT_ARM_MAILBOX (ARM_IRQ0_BASE + 1) +#define INTERRUPT_ARM_DOORBELL_0 (ARM_IRQ0_BASE + 2) +#define INTERRUPT_ARM_DOORBELL_1 (ARM_IRQ0_BASE + 3) +#define INTERRUPT_VPU0_HALTED (ARM_IRQ0_BASE + 4) +#define INTERRUPT_VPU1_HALTED (ARM_IRQ0_BASE + 5) +#define INTERRUPT_ILLEGAL_TYPE0 (ARM_IRQ0_BASE + 6) +#define INTERRUPT_ILLEGAL_TYPE1 (ARM_IRQ0_BASE + 7) +#define INTERRUPT_PENDING1 (ARM_IRQ0_BASE + 8) +#define INTERRUPT_PENDING2 (ARM_IRQ0_BASE + 9) +#define INTERRUPT_JPEG (ARM_IRQ0_BASE + 10) +#define INTERRUPT_USB (ARM_IRQ0_BASE + 11) +#define INTERRUPT_3D (ARM_IRQ0_BASE + 12) +#define INTERRUPT_DMA2 (ARM_IRQ0_BASE + 13) +#define INTERRUPT_DMA3 (ARM_IRQ0_BASE + 14) +#define INTERRUPT_I2C (ARM_IRQ0_BASE + 15) +#define INTERRUPT_SPI (ARM_IRQ0_BASE + 16) +#define INTERRUPT_I2SPCM (ARM_IRQ0_BASE + 17) +#define INTERRUPT_SDIO (ARM_IRQ0_BASE + 18) +#define INTERRUPT_UART (ARM_IRQ0_BASE + 19) +#define INTERRUPT_ARASANSDIO (ARM_IRQ0_BASE + 20) + +#define ARM_IRQ_LOCAL_BASE 96 +#define INTERRUPT_ARM_LOCAL_CNTPSIRQ (ARM_IRQ_LOCAL_BASE + 0) +#define INTERRUPT_ARM_LOCAL_CNTPNSIRQ (ARM_IRQ_LOCAL_BASE + 1) +#define INTERRUPT_ARM_LOCAL_CNTHPIRQ (ARM_IRQ_LOCAL_BASE + 2) +#define INTERRUPT_ARM_LOCAL_CNTVIRQ (ARM_IRQ_LOCAL_BASE + 3) +#define INTERRUPT_ARM_LOCAL_MAILBOX0 (ARM_IRQ_LOCAL_BASE + 4) +#define INTERRUPT_ARM_LOCAL_MAILBOX1 (ARM_IRQ_LOCAL_BASE + 5) +#define INTERRUPT_ARM_LOCAL_MAILBOX2 (ARM_IRQ_LOCAL_BASE + 6) +#define INTERRUPT_ARM_LOCAL_MAILBOX3 (ARM_IRQ_LOCAL_BASE + 7) +#define INTERRUPT_ARM_LOCAL_GPU_FAST (ARM_IRQ_LOCAL_BASE + 8) +#define INTERRUPT_ARM_LOCAL_PMU_FAST (ARM_IRQ_LOCAL_BASE + 9) +#define INTERRUPT_ARM_LOCAL_ZERO (ARM_IRQ_LOCAL_BASE + 10) +#define INTERRUPT_ARM_LOCAL_TIMER (ARM_IRQ_LOCAL_BASE + 11) + +/* + * Watchdog + */ +#define PM_RSTC (PM_BASE+0x1c) +#define PM_RSTS (PM_BASE+0x20) +#define PM_WDOG (PM_BASE+0x24) + +#define PM_WDOG_RESET 0000000000 +#define PM_PASSWORD 0x5a000000 +#define PM_WDOG_TIME_SET 0x000fffff +#define PM_RSTC_WRCFG_CLR 0xffffffcf +#define PM_RSTC_WRCFG_SET 0x00000030 +#define PM_RSTC_WRCFG_FULL_RESET 0x00000020 +#define PM_RSTC_RESET 0x00000102 + +#define PM_RSTS_HADPOR_SET 0x00001000 +#define PM_RSTS_HADSRH_SET 0x00000400 +#define PM_RSTS_HADSRF_SET 0x00000200 +#define PM_RSTS_HADSRQ_SET 0x00000100 +#define PM_RSTS_HADWRH_SET 0x00000040 +#define PM_RSTS_HADWRF_SET 0x00000020 +#define PM_RSTS_HADWRQ_SET 0x00000010 +#define PM_RSTS_HADDRH_SET 0x00000004 +#define PM_RSTS_HADDRF_SET 0x00000002 +#define PM_RSTS_HADDRQ_SET 0x00000001 + +#define UART0_CLOCK 3000000 + +#endif + +/* END */ --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/system.h @@ -0,0 +1,38 @@ +/* + * arch/arm/mach-bcm2708/include/mach/system.h + * + * Copyright (C) 2010 Broadcom + * Copyright (C) 2003 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include +#include +#include + +static inline void arch_idle(void) +{ + /* + * This should do all the clock switching + * and wait for interrupt tricks + */ + cpu_do_idle(); +} + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/timex.h @@ -0,0 +1,23 @@ +/* + * arch/arm/mach-bcm2708/include/mach/timex.h + * + * BCM2708 sysem clock frequency + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define CLOCK_TICK_RATE (1000000) --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/uncompress.h @@ -0,0 +1,84 @@ +/* + * arch/arm/mach-bcn2708/include/mach/uncompress.h + * + * Copyright (C) 2010 Broadcom + * Copyright (C) 2003 ARM Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include + +#define UART_BAUD 115200 + +#define BCM2708_UART_DR __io(UART0_BASE + UART01x_DR) +#define BCM2708_UART_FR __io(UART0_BASE + UART01x_FR) +#define BCM2708_UART_IBRD __io(UART0_BASE + UART011_IBRD) +#define BCM2708_UART_FBRD __io(UART0_BASE + UART011_FBRD) +#define BCM2708_UART_LCRH __io(UART0_BASE + UART011_LCRH) +#define BCM2708_UART_CR __io(UART0_BASE + UART011_CR) + +/* + * This does not append a newline + */ +static inline void putc(int c) +{ + while (__raw_readl(BCM2708_UART_FR) & UART01x_FR_TXFF) + barrier(); + + __raw_writel(c, BCM2708_UART_DR); +} + +static inline void flush(void) +{ + int fr; + + do { + fr = __raw_readl(BCM2708_UART_FR); + barrier(); + } while ((fr & (UART011_FR_TXFE | UART01x_FR_BUSY)) != UART011_FR_TXFE); +} + +static inline void arch_decomp_setup(void) +{ + int temp, div, rem, frac; + + temp = 16 * UART_BAUD; + div = UART0_CLOCK / temp; + rem = UART0_CLOCK % temp; + temp = (8 * rem) / UART_BAUD; + frac = (temp >> 1) + (temp & 1); + + /* Make sure the UART is disabled before we start */ + __raw_writel(0, BCM2708_UART_CR); + + /* Set the baud rate */ + __raw_writel(div, BCM2708_UART_IBRD); + __raw_writel(frac, BCM2708_UART_FBRD); + + /* Set the UART to 8n1, FIFO enabled */ + __raw_writel(UART01x_LCRH_WLEN_8 | UART01x_LCRH_FEN, BCM2708_UART_LCRH); + + /* Enable the UART */ + __raw_writel(UART01x_CR_UARTEN | UART011_CR_TXE | UART011_CR_RXE, + BCM2708_UART_CR); +} + +/* + * nothing to do + */ +#define arch_decomp_wdog() --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/vc_mem.h @@ -0,0 +1,35 @@ +/***************************************************************************** +* Copyright 2010 - 2011 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#if !defined( VC_MEM_H ) +#define VC_MEM_H + +#include + +#define VC_MEM_IOC_MAGIC 'v' + +#define VC_MEM_IOC_MEM_PHYS_ADDR _IOR( VC_MEM_IOC_MAGIC, 0, unsigned long ) +#define VC_MEM_IOC_MEM_SIZE _IOR( VC_MEM_IOC_MAGIC, 1, unsigned int ) +#define VC_MEM_IOC_MEM_BASE _IOR( VC_MEM_IOC_MAGIC, 2, unsigned int ) +#define VC_MEM_IOC_MEM_LOAD _IOR( VC_MEM_IOC_MAGIC, 3, unsigned int ) + +#if defined( __KERNEL__ ) +#define VC_MEM_TO_ARM_ADDR_MASK 0x3FFFFFFF + +extern unsigned long mm_vc_mem_phys_addr; +extern unsigned int mm_vc_mem_size; +extern int vc_mem_get_current_size( void ); +#endif + +#endif /* VC_MEM_H */ --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/vc_support.h @@ -0,0 +1,69 @@ +#ifndef _VC_SUPPORT_H_ +#define _VC_SUPPORT_H_ + +/* + * vc_support.h + * + * Created on: 25 Nov 2012 + * Author: Simon + */ + +enum { +/* + If a MEM_HANDLE_T is discardable, the memory manager may resize it to size + 0 at any time when it is not locked or retained. + */ + MEM_FLAG_DISCARDABLE = 1 << 0, + + /* + If a MEM_HANDLE_T is allocating (or normal), its block of memory will be + accessed in an allocating fashion through the cache. + */ + MEM_FLAG_NORMAL = 0 << 2, + MEM_FLAG_ALLOCATING = MEM_FLAG_NORMAL, + + /* + If a MEM_HANDLE_T is direct, its block of memory will be accessed + directly, bypassing the cache. + */ + MEM_FLAG_DIRECT = 1 << 2, + + /* + If a MEM_HANDLE_T is coherent, its block of memory will be accessed in a + non-allocating fashion through the cache. + */ + MEM_FLAG_COHERENT = 2 << 2, + + /* + If a MEM_HANDLE_T is L1-nonallocating, its block of memory will be accessed by + the VPU in a fashion which is allocating in L2, but only coherent in L1. + */ + MEM_FLAG_L1_NONALLOCATING = (MEM_FLAG_DIRECT | MEM_FLAG_COHERENT), + + /* + If a MEM_HANDLE_T is zero'd, its contents are set to 0 rather than + MEM_HANDLE_INVALID on allocation and resize up. + */ + MEM_FLAG_ZERO = 1 << 4, + + /* + If a MEM_HANDLE_T is uninitialised, it will not be reset to a defined value + (either zero, or all 1's) on allocation. + */ + MEM_FLAG_NO_INIT = 1 << 5, + + /* + Hints. + */ + MEM_FLAG_HINT_PERMALOCK = 1 << 6, /* Likely to be locked for long periods of time. */ +}; + +unsigned int AllocateVcMemory(unsigned int *pHandle, unsigned int size, unsigned int alignment, unsigned int flags); +unsigned int ReleaseVcMemory(unsigned int handle); +unsigned int LockVcMemory(unsigned int *pBusAddress, unsigned int handle); +unsigned int UnlockVcMemory(unsigned int handle); + +unsigned int ExecuteVcCode(unsigned int code, + unsigned int r0, unsigned int r1, unsigned int r2, unsigned int r3, unsigned int r4, unsigned int r5); + +#endif --- /dev/null +++ b/arch/arm/mach-bcm2709/include/mach/vmalloc.h @@ -0,0 +1,20 @@ +/* + * arch/arm/mach-bcm2708/include/mach/vmalloc.h + * + * Copyright (C) 2010 Broadcom + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#define VMALLOC_END (0xff000000) --- /dev/null +++ b/arch/arm/mach-bcm2709/vc_mem.c @@ -0,0 +1,431 @@ +/***************************************************************************** +* Copyright 2010 - 2011 Broadcom Corporation. All rights reserved. +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2, available at +* http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a +* license other than the GPL, without Broadcom's express prior written +* consent. +*****************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_ARCH_KONA +#include +#elif defined(CONFIG_ARCH_BCM2708) || defined(CONFIG_ARCH_BCM2709) +#else +#include +#endif + +#include "mach/vc_mem.h" + +#define DRIVER_NAME "vc-mem" + +// Device (/dev) related variables +static dev_t vc_mem_devnum = 0; +static struct class *vc_mem_class = NULL; +static struct cdev vc_mem_cdev; +static int vc_mem_inited = 0; + +#ifdef CONFIG_DEBUG_FS +static struct dentry *vc_mem_debugfs_entry; +#endif + +/* + * Videocore memory addresses and size + * + * Drivers that wish to know the videocore memory addresses and sizes should + * use these variables instead of the MM_IO_BASE and MM_ADDR_IO defines in + * headers. This allows the other drivers to not be tied down to a a certain + * address/size at compile time. + * + * In the future, the goal is to have the videocore memory virtual address and + * size be calculated at boot time rather than at compile time. The decision of + * where the videocore memory resides and its size would be in the hands of the + * bootloader (and/or kernel). When that happens, the values of these variables + * would be calculated and assigned in the init function. + */ +// in the 2835 VC in mapped above ARM, but ARM has full access to VC space +unsigned long mm_vc_mem_phys_addr = 0x00000000; +unsigned int mm_vc_mem_size = 0; +unsigned int mm_vc_mem_base = 0; + +EXPORT_SYMBOL(mm_vc_mem_phys_addr); +EXPORT_SYMBOL(mm_vc_mem_size); +EXPORT_SYMBOL(mm_vc_mem_base); + +static uint phys_addr = 0; +static uint mem_size = 0; +static uint mem_base = 0; + + +/**************************************************************************** +* +* vc_mem_open +* +***************************************************************************/ + +static int +vc_mem_open(struct inode *inode, struct file *file) +{ + (void) inode; + (void) file; + + pr_debug("%s: called file = 0x%p\n", __func__, file); + + return 0; +} + +/**************************************************************************** +* +* vc_mem_release +* +***************************************************************************/ + +static int +vc_mem_release(struct inode *inode, struct file *file) +{ + (void) inode; + (void) file; + + pr_debug("%s: called file = 0x%p\n", __func__, file); + + return 0; +} + +/**************************************************************************** +* +* vc_mem_get_size +* +***************************************************************************/ + +static void +vc_mem_get_size(void) +{ +} + +/**************************************************************************** +* +* vc_mem_get_base +* +***************************************************************************/ + +static void +vc_mem_get_base(void) +{ +} + +/**************************************************************************** +* +* vc_mem_get_current_size +* +***************************************************************************/ + +int +vc_mem_get_current_size(void) +{ + return mm_vc_mem_size; +} + +EXPORT_SYMBOL_GPL(vc_mem_get_current_size); + +/**************************************************************************** +* +* vc_mem_ioctl +* +***************************************************************************/ + +static long +vc_mem_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int rc = 0; + + (void) cmd; + (void) arg; + + pr_debug("%s: called file = 0x%p\n", __func__, file); + + switch (cmd) { + case VC_MEM_IOC_MEM_PHYS_ADDR: + { + pr_debug("%s: VC_MEM_IOC_MEM_PHYS_ADDR=0x%p\n", + __func__, (void *) mm_vc_mem_phys_addr); + + if (copy_to_user((void *) arg, &mm_vc_mem_phys_addr, + sizeof (mm_vc_mem_phys_addr)) != 0) { + rc = -EFAULT; + } + break; + } + case VC_MEM_IOC_MEM_SIZE: + { + // Get the videocore memory size first + vc_mem_get_size(); + + pr_debug("%s: VC_MEM_IOC_MEM_SIZE=%u\n", __func__, + mm_vc_mem_size); + + if (copy_to_user((void *) arg, &mm_vc_mem_size, + sizeof (mm_vc_mem_size)) != 0) { + rc = -EFAULT; + } + break; + } + case VC_MEM_IOC_MEM_BASE: + { + // Get the videocore memory base + vc_mem_get_base(); + + pr_debug("%s: VC_MEM_IOC_MEM_BASE=%u\n", __func__, + mm_vc_mem_base); + + if (copy_to_user((void *) arg, &mm_vc_mem_base, + sizeof (mm_vc_mem_base)) != 0) { + rc = -EFAULT; + } + break; + } + case VC_MEM_IOC_MEM_LOAD: + { + // Get the videocore memory base + vc_mem_get_base(); + + pr_debug("%s: VC_MEM_IOC_MEM_LOAD=%u\n", __func__, + mm_vc_mem_base); + + if (copy_to_user((void *) arg, &mm_vc_mem_base, + sizeof (mm_vc_mem_base)) != 0) { + rc = -EFAULT; + } + break; + } + default: + { + return -ENOTTY; + } + } + pr_debug("%s: file = 0x%p returning %d\n", __func__, file, rc); + + return rc; +} + +/**************************************************************************** +* +* vc_mem_mmap +* +***************************************************************************/ + +static int +vc_mem_mmap(struct file *filp, struct vm_area_struct *vma) +{ + int rc = 0; + unsigned long length = vma->vm_end - vma->vm_start; + unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; + + pr_debug("%s: vm_start = 0x%08lx vm_end = 0x%08lx vm_pgoff = 0x%08lx\n", + __func__, (long) vma->vm_start, (long) vma->vm_end, + (long) vma->vm_pgoff); + + if (offset + length > mm_vc_mem_size) { + pr_err("%s: length %ld is too big\n", __func__, length); + return -EINVAL; + } + // Do not cache the memory map + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + + rc = remap_pfn_range(vma, vma->vm_start, + (mm_vc_mem_phys_addr >> PAGE_SHIFT) + + vma->vm_pgoff, length, vma->vm_page_prot); + if (rc != 0) { + pr_err("%s: remap_pfn_range failed (rc=%d)\n", __func__, rc); + } + + return rc; +} + +/**************************************************************************** +* +* File Operations for the driver. +* +***************************************************************************/ + +static const struct file_operations vc_mem_fops = { + .owner = THIS_MODULE, + .open = vc_mem_open, + .release = vc_mem_release, + .unlocked_ioctl = vc_mem_ioctl, + .mmap = vc_mem_mmap, +}; + +#ifdef CONFIG_DEBUG_FS +static void vc_mem_debugfs_deinit(void) +{ + debugfs_remove_recursive(vc_mem_debugfs_entry); + vc_mem_debugfs_entry = NULL; +} + + +static int vc_mem_debugfs_init( + struct device *dev) +{ + vc_mem_debugfs_entry = debugfs_create_dir(DRIVER_NAME, NULL); + if (!vc_mem_debugfs_entry) { + dev_warn(dev, "could not create debugfs entry\n"); + return -EFAULT; + } + + if (!debugfs_create_x32("vc_mem_phys_addr", + 0444, + vc_mem_debugfs_entry, + (u32 *)&mm_vc_mem_phys_addr)) { + dev_warn(dev, "%s:could not create vc_mem_phys entry\n", + __func__); + goto fail; + } + + if (!debugfs_create_x32("vc_mem_size", + 0444, + vc_mem_debugfs_entry, + (u32 *)&mm_vc_mem_size)) { + dev_warn(dev, "%s:could not create vc_mem_size entry\n", + __func__); + goto fail; + } + + if (!debugfs_create_x32("vc_mem_base", + 0444, + vc_mem_debugfs_entry, + (u32 *)&mm_vc_mem_base)) { + dev_warn(dev, "%s:could not create vc_mem_base entry\n", + __func__); + goto fail; + } + + return 0; + +fail: + vc_mem_debugfs_deinit(); + return -EFAULT; +} + +#endif /* CONFIG_DEBUG_FS */ + + +/**************************************************************************** +* +* vc_mem_init +* +***************************************************************************/ + +static int __init +vc_mem_init(void) +{ + int rc = -EFAULT; + struct device *dev; + + pr_debug("%s: called\n", __func__); + + mm_vc_mem_phys_addr = phys_addr; + mm_vc_mem_size = mem_size; + mm_vc_mem_base = mem_base; + + vc_mem_get_size(); + + pr_info("vc-mem: phys_addr:0x%08lx mem_base=0x%08x mem_size:0x%08x(%u MiB)\n", + mm_vc_mem_phys_addr, mm_vc_mem_base, mm_vc_mem_size, mm_vc_mem_size / (1024 * 1024)); + + if ((rc = alloc_chrdev_region(&vc_mem_devnum, 0, 1, DRIVER_NAME)) < 0) { + pr_err("%s: alloc_chrdev_region failed (rc=%d)\n", + __func__, rc); + goto out_err; + } + + cdev_init(&vc_mem_cdev, &vc_mem_fops); + if ((rc = cdev_add(&vc_mem_cdev, vc_mem_devnum, 1)) != 0) { + pr_err("%s: cdev_add failed (rc=%d)\n", __func__, rc); + goto out_unregister; + } + + vc_mem_class = class_create(THIS_MODULE, DRIVER_NAME); + if (IS_ERR(vc_mem_class)) { + rc = PTR_ERR(vc_mem_class); + pr_err("%s: class_create failed (rc=%d)\n", __func__, rc); + goto out_cdev_del; + } + + dev = device_create(vc_mem_class, NULL, vc_mem_devnum, NULL, + DRIVER_NAME); + if (IS_ERR(dev)) { + rc = PTR_ERR(dev); + pr_err("%s: device_create failed (rc=%d)\n", __func__, rc); + goto out_class_destroy; + } + +#ifdef CONFIG_DEBUG_FS + /* don't fail if the debug entries cannot be created */ + vc_mem_debugfs_init(dev); +#endif + + vc_mem_inited = 1; + return 0; + + device_destroy(vc_mem_class, vc_mem_devnum); + + out_class_destroy: + class_destroy(vc_mem_class); + vc_mem_class = NULL; + + out_cdev_del: + cdev_del(&vc_mem_cdev); + + out_unregister: + unregister_chrdev_region(vc_mem_devnum, 1); + + out_err: + return -1; +} + +/**************************************************************************** +* +* vc_mem_exit +* +***************************************************************************/ + +static void __exit +vc_mem_exit(void) +{ + pr_debug("%s: called\n", __func__); + + if (vc_mem_inited) { +#if CONFIG_DEBUG_FS + vc_mem_debugfs_deinit(); +#endif + device_destroy(vc_mem_class, vc_mem_devnum); + class_destroy(vc_mem_class); + cdev_del(&vc_mem_cdev); + unregister_chrdev_region(vc_mem_devnum, 1); + } +} + +module_init(vc_mem_init); +module_exit(vc_mem_exit); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Broadcom Corporation"); + +module_param(phys_addr, uint, 0644); +module_param(mem_size, uint, 0644); +module_param(mem_base, uint, 0644); --- /dev/null +++ b/arch/arm/mach-bcm2709/vc_support.c @@ -0,0 +1,318 @@ +/* + * vc_support.c + * + * Created on: 25 Nov 2012 + * Author: Simon + */ + +#include +#include + +#ifdef ECLIPSE_IGNORE + +#define __user +#define __init +#define __exit +#define __iomem +#define KERN_DEBUG +#define KERN_ERR +#define KERN_WARNING +#define KERN_INFO +#define _IOWR(a, b, c) b +#define _IOW(a, b, c) b +#define _IO(a, b) b + +#endif + +/****** VC MAILBOX FUNCTIONALITY ******/ +unsigned int AllocateVcMemory(unsigned int *pHandle, unsigned int size, unsigned int alignment, unsigned int flags) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_size; + unsigned int m_handle; + }; + unsigned int m_alignment; + unsigned int m_flags; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the allocation command + msg.m_tag.m_tagId = 0x3000c; + msg.m_tag.m_sendBufferSize = 12; + msg.m_tag.m_sendDataSize = 12; + + //fill in our args + msg.m_tag.m_args.m_size = size; + msg.m_tag.m_args.m_alignment = alignment; + msg.m_tag.m_args.m_flags = flags; + + //run the command + s = bcm_mailbox_property(&msg, sizeof(msg)); + + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004) + { + *pHandle = msg.m_tag.m_args.m_handle; + return 0; + } + else + { + printk(KERN_ERR "failed to allocate vc memory: s=%d response=%08x recv data size=%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize); + return 1; + } +} + +unsigned int ReleaseVcMemory(unsigned int handle) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_handle; + unsigned int m_error; + }; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the release command + msg.m_tag.m_tagId = 0x3000f; + msg.m_tag.m_sendBufferSize = 4; + msg.m_tag.m_sendDataSize = 4; + + //pass across the handle + msg.m_tag.m_args.m_handle = handle; + + s = bcm_mailbox_property(&msg, sizeof(msg)); + + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004 && msg.m_tag.m_args.m_error == 0) + return 0; + else + { + printk(KERN_ERR "failed to release vc memory: s=%d response=%08x recv data size=%08x error=%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize, msg.m_tag.m_args.m_error); + return 1; + } +} + +unsigned int LockVcMemory(unsigned int *pBusAddress, unsigned int handle) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_handle; + unsigned int m_busAddress; + }; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the lock command + msg.m_tag.m_tagId = 0x3000d; + msg.m_tag.m_sendBufferSize = 4; + msg.m_tag.m_sendDataSize = 4; + + //pass across the handle + msg.m_tag.m_args.m_handle = handle; + + s = bcm_mailbox_property(&msg, sizeof(msg)); + + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004) + { + //pick out the bus address + *pBusAddress = msg.m_tag.m_args.m_busAddress; + return 0; + } + else + { + printk(KERN_ERR "failed to lock vc memory: s=%d response=%08x recv data size=%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize); + return 1; + } +} + +unsigned int UnlockVcMemory(unsigned int handle) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_handle; + unsigned int m_error; + }; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the unlock command + msg.m_tag.m_tagId = 0x3000e; + msg.m_tag.m_sendBufferSize = 4; + msg.m_tag.m_sendDataSize = 4; + + //pass across the handle + msg.m_tag.m_args.m_handle = handle; + + s = bcm_mailbox_property(&msg, sizeof(msg)); + + //check the error code too + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004 && msg.m_tag.m_args.m_error == 0) + return 0; + else + { + printk(KERN_ERR "failed to unlock vc memory: s=%d response=%08x recv data size=%08x error%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize, msg.m_tag.m_args.m_error); + return 1; + } +} + +unsigned int ExecuteVcCode(unsigned int code, + unsigned int r0, unsigned int r1, unsigned int r2, unsigned int r3, unsigned int r4, unsigned int r5) +{ + struct vc_msg + { + unsigned int m_msgSize; + unsigned int m_response; + + struct vc_tag + { + unsigned int m_tagId; + unsigned int m_sendBufferSize; + union { + unsigned int m_sendDataSize; + unsigned int m_recvDataSize; + }; + + struct args + { + union { + unsigned int m_pCode; + unsigned int m_return; + }; + unsigned int m_r0; + unsigned int m_r1; + unsigned int m_r2; + unsigned int m_r3; + unsigned int m_r4; + unsigned int m_r5; + } m_args; + } m_tag; + + unsigned int m_endTag; + } msg; + int s; + + msg.m_msgSize = sizeof(msg); + msg.m_response = 0; + msg.m_endTag = 0; + + //fill in the tag for the unlock command + msg.m_tag.m_tagId = 0x30010; + msg.m_tag.m_sendBufferSize = 28; + msg.m_tag.m_sendDataSize = 28; + + //pass across the handle + msg.m_tag.m_args.m_pCode = code; + msg.m_tag.m_args.m_r0 = r0; + msg.m_tag.m_args.m_r1 = r1; + msg.m_tag.m_args.m_r2 = r2; + msg.m_tag.m_args.m_r3 = r3; + msg.m_tag.m_args.m_r4 = r4; + msg.m_tag.m_args.m_r5 = r5; + + s = bcm_mailbox_property(&msg, sizeof(msg)); + + //check the error code too + if (s == 0 && msg.m_response == 0x80000000 && msg.m_tag.m_recvDataSize == 0x80000004) + return msg.m_tag.m_args.m_return; + else + { + printk(KERN_ERR "failed to execute: s=%d response=%08x recv data size=%08x\n", + s, msg.m_response, msg.m_tag.m_recvDataSize); + return 1; + } +} --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -358,7 +358,7 @@ config CPU_PJ4B # ARMv6 config CPU_V6 - bool "Support ARM V6 processor" if (!ARCH_MULTIPLATFORM || ARCH_MULTI_V6) && (ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX) + bool "Support ARM V6 processor" if (!ARCH_MULTIPLATFORM || ARCH_MULTI_V6) && (ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX || MACH_BCM2708) select CPU_32v6 select CPU_ABRT_EV6 select CPU_CACHE_V6 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -73,10 +73,19 @@ ENDPROC(cpu_v6_reset) * * IRQs are already disabled. */ + +/* See jira SW-5991 for details of this workaround */ ENTRY(cpu_v6_do_idle) - mov r1, #0 - mcr p15, 0, r1, c7, c10, 4 @ DWB - WFI may enter a low-power mode - mcr p15, 0, r1, c7, c0, 4 @ wait for interrupt + .align 5 + mov r1, #2 +1: subs r1, #1 + nop + mcreq p15, 0, r1, c7, c10, 4 @ DWB - WFI may enter a low-power mode + mcreq p15, 0, r1, c7, c0, 4 @ wait for interrupt + nop + nop + nop + bne 1b ret lr ENTRY(cpu_v6_dcache_clean_area) --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -456,6 +456,7 @@ __v7_setup: orr r0, r0, r6 @ set them THUMB( orr r0, r0, #1 << 30 ) @ Thumb exceptions ret lr @ return to head.S:__ret + .space 256 ENDPROC(__v7_setup) .align 2 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -522,6 +522,8 @@ torbreck MACH_TORBRECK TORBRECK 3090 prima2_evb MACH_PRIMA2_EVB PRIMA2_EVB 3103 paz00 MACH_PAZ00 PAZ00 3128 acmenetusfoxg20 MACH_ACMENETUSFOXG20 ACMENETUSFOXG20 3129 +bcm2708 MACH_BCM2708 BCM2708 3138 +bcm2709 MACH_BCM2709 BCM2709 3139 ag5evm MACH_AG5EVM AG5EVM 3189 ics_if_voip MACH_ICS_IF_VOIP ICS_IF_VOIP 3206 wlf_cragg_6410 MACH_WLF_CRAGG_6410 WLF_CRAGG_6410 3207 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -882,3 +882,39 @@ void __init acpi_generic_timer_init(void acpi_table_parse(ACPI_SIG_GTDT, arch_timer_acpi_init); } #endif + +int __init dc4_arch_timer_init(void) +{ + if (arch_timers_present & ARCH_CP15_TIMER) { + pr_warn("arch_timer: multiple nodes in dt, skipping\n"); + return -1; + } + + arch_timers_present |= ARCH_CP15_TIMER; + + /* Try to determine the frequency from the device tree or CNTFRQ */ + arch_timer_rate = 19200000; + + arch_timer_ppi[PHYS_SECURE_PPI] = IRQ_ARM_LOCAL_CNTPSIRQ; + arch_timer_ppi[PHYS_NONSECURE_PPI] = IRQ_ARM_LOCAL_CNTPNSIRQ; + arch_timer_ppi[VIRT_PPI] = IRQ_ARM_LOCAL_CNTVIRQ; + arch_timer_ppi[HYP_PPI] = IRQ_ARM_LOCAL_CNTHPIRQ; + + /* + * If HYP mode is available, we know that the physical timer + * has been configured to be accessible from PL1. Use it, so + * that a guest can use the virtual timer instead. + * + * If no interrupt provided for virtual timer, we'll have to + * stick to the physical timer. It'd better be accessible... + */ + if (is_hyp_mode_available() || !arch_timer_ppi[VIRT_PPI]) { + arch_timer_use_virtual = false; + } + + arch_timer_c3stop = 0; + + arch_timer_register(); + arch_timer_common_init(); + return 0; +} --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -85,7 +85,7 @@ struct vendor_data { static unsigned int get_fifosize_arm(struct amba_device *dev) { - return amba_rev(dev) < 3 ? 16 : 32; + return 16; //TODO: fix: amba_rev(dev) < 3 ? 16 : 32; } static struct vendor_data vendor_arm = { --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -285,6 +285,7 @@ struct mmc_host { MMC_CAP2_HS400_1_2V) #define MMC_CAP2_HSX00_1_2V (MMC_CAP2_HS200_1_2V_SDR | MMC_CAP2_HS400_1_2V) #define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17) +#define MMC_CAP2_FORCE_MULTIBLOCK (1 << 31) /* Always use multiblock transfers */ mmc_pm_flag_t pm_caps; /* supported pm features */