diff options
Diffstat (limited to 'arch/arm/mach-w90x900')
47 files changed, 3477 insertions, 0 deletions
diff --git a/arch/arm/mach-w90x900/Kconfig b/arch/arm/mach-w90x900/Kconfig new file mode 100644 index 00000000..69bab32a --- /dev/null +++ b/arch/arm/mach-w90x900/Kconfig @@ -0,0 +1,49 @@ +if ARCH_W90X900 + +config CPU_W90P910 + bool + help + Support for W90P910 of Nuvoton W90X900 CPUs. + +config CPU_NUC950 + bool + help + Support for NUCP950 of Nuvoton NUC900 CPUs. + +config CPU_NUC960 + bool + help + Support for NUCP960 of Nuvoton NUC900 CPUs. + +menu "W90P910 Machines" + +config MACH_W90P910EVB + bool "Nuvoton W90P910 Evaluation Board" + default y + select CPU_W90P910 + help + Say Y here if you are using the Nuvoton W90P910EVB + +endmenu + +menu "NUC950 Machines" + +config MACH_W90P950EVB + bool "Nuvoton NUC950 Evaluation Board" + select CPU_NUC950 + help + Say Y here if you are using the Nuvoton NUC950EVB + +endmenu + +menu "NUC960 Machines" + +config MACH_W90N960EVB + bool "Nuvoton NUC960 Evaluation Board" + select CPU_NUC960 + help + Say Y here if you are using the Nuvoton NUC960EVB + +endmenu + +endif diff --git a/arch/arm/mach-w90x900/Makefile b/arch/arm/mach-w90x900/Makefile new file mode 100644 index 00000000..828c0326 --- /dev/null +++ b/arch/arm/mach-w90x900/Makefile @@ -0,0 +1,19 @@ +# +# Makefile for the linux kernel. +# + +# Object file lists. + +obj-y := irq.o time.o mfp.o gpio.o clock.o +obj-y += clksel.o dev.o cpu.o +# W90X900 CPU support files + +obj-$(CONFIG_CPU_W90P910) += nuc910.o +obj-$(CONFIG_CPU_NUC950) += nuc950.o +obj-$(CONFIG_CPU_NUC960) += nuc960.o + +# machine support + +obj-$(CONFIG_MACH_W90P910EVB) += mach-nuc910evb.o +obj-$(CONFIG_MACH_W90P950EVB) += mach-nuc950evb.o +obj-$(CONFIG_MACH_W90N960EVB) += mach-nuc960evb.o diff --git a/arch/arm/mach-w90x900/Makefile.boot b/arch/arm/mach-w90x900/Makefile.boot new file mode 100644 index 00000000..a057b546 --- /dev/null +++ b/arch/arm/mach-w90x900/Makefile.boot @@ -0,0 +1,3 @@ +zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 + diff --git a/arch/arm/mach-w90x900/clksel.c b/arch/arm/mach-w90x900/clksel.c new file mode 100644 index 00000000..3de4a521 --- /dev/null +++ b/arch/arm/mach-w90x900/clksel.c @@ -0,0 +1,91 @@ +/* + * linux/arch/arm/mach-w90x900/clksel.c + * + * Copyright (c) 2008 Nuvoton technology corporation + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/string.h> +#include <linux/clk.h> +#include <linux/mutex.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/regs-clock.h> + +#define PLL0 0x00 +#define PLL1 0x01 +#define OTHER 0x02 +#define EXT 0x03 +#define MSOFFSET 0x0C +#define ATAOFFSET 0x0a +#define LCDOFFSET 0x06 +#define AUDOFFSET 0x04 +#define CPUOFFSET 0x00 + +static DEFINE_MUTEX(clksel_sem); + +static void clock_source_select(const char *dev_id, unsigned int clkval) +{ + unsigned int clksel, offset; + + clksel = __raw_readl(REG_CLKSEL); + + if (strcmp(dev_id, "nuc900-ms") == 0) + offset = MSOFFSET; + else if (strcmp(dev_id, "nuc900-atapi") == 0) + offset = ATAOFFSET; + else if (strcmp(dev_id, "nuc900-lcd") == 0) + offset = LCDOFFSET; + else if (strcmp(dev_id, "nuc900-audio") == 0) + offset = AUDOFFSET; + else + offset = CPUOFFSET; + + clksel &= ~(0x03 << offset); + clksel |= (clkval << offset); + + __raw_writel(clksel, REG_CLKSEL); +} + +void nuc900_clock_source(struct device *dev, unsigned char *src) +{ + unsigned int clkval; + const char *dev_id; + + BUG_ON(!src); + clkval = 0; + + mutex_lock(&clksel_sem); + + if (dev) + dev_id = dev_name(dev); + else + dev_id = "cpufreq"; + + if (strcmp(src, "pll0") == 0) + clkval = PLL0; + else if (strcmp(src, "pll1") == 0) + clkval = PLL1; + else if (strcmp(src, "ext") == 0) + clkval = EXT; + else if (strcmp(src, "oth") == 0) + clkval = OTHER; + + clock_source_select(dev_id, clkval); + + mutex_unlock(&clksel_sem); +} +EXPORT_SYMBOL(nuc900_clock_source); + diff --git a/arch/arm/mach-w90x900/clock.c b/arch/arm/mach-w90x900/clock.c new file mode 100644 index 00000000..2c371ff2 --- /dev/null +++ b/arch/arm/mach-w90x900/clock.c @@ -0,0 +1,92 @@ +/* + * linux/arch/arm/mach-w90x900/clock.c + * + * Copyright (c) 2008 Nuvoton technology corporation + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/string.h> +#include <linux/clk.h> +#include <linux/spinlock.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> + +#include "clock.h" + +#define SUBCLK 0x24 + +static DEFINE_SPINLOCK(clocks_lock); + +int clk_enable(struct clk *clk) +{ + unsigned long flags; + + spin_lock_irqsave(&clocks_lock, flags); + if (clk->enabled++ == 0) + (clk->enable)(clk, 1); + spin_unlock_irqrestore(&clocks_lock, flags); + + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ + unsigned long flags; + + WARN_ON(clk->enabled == 0); + + spin_lock_irqsave(&clocks_lock, flags); + if (--clk->enabled == 0) + (clk->enable)(clk, 0); + spin_unlock_irqrestore(&clocks_lock, flags); +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return 15000000; +} +EXPORT_SYMBOL(clk_get_rate); + +void nuc900_clk_enable(struct clk *clk, int enable) +{ + unsigned int clocks = clk->cken; + unsigned long clken; + + clken = __raw_readl(W90X900_VA_CLKPWR); + + if (enable) + clken |= clocks; + else + clken &= ~clocks; + + __raw_writel(clken, W90X900_VA_CLKPWR); +} + +void nuc900_subclk_enable(struct clk *clk, int enable) +{ + unsigned int clocks = clk->cken; + unsigned long clken; + + clken = __raw_readl(W90X900_VA_CLKPWR + SUBCLK); + + if (enable) + clken |= clocks; + else + clken &= ~clocks; + + __raw_writel(clken, W90X900_VA_CLKPWR + SUBCLK); +} diff --git a/arch/arm/mach-w90x900/clock.h b/arch/arm/mach-w90x900/clock.h new file mode 100644 index 00000000..b88a1b16 --- /dev/null +++ b/arch/arm/mach-w90x900/clock.h @@ -0,0 +1,43 @@ +/* + * linux/arch/arm/mach-w90x900/clock.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + */ + +#include <linux/clkdev.h> + +void nuc900_clk_enable(struct clk *clk, int enable); +void nuc900_subclk_enable(struct clk *clk, int enable); + +struct clk { + unsigned long cken; + unsigned int enabled; + void (*enable)(struct clk *, int enable); +}; + +#define DEFINE_CLK(_name, _ctrlbit) \ +struct clk clk_##_name = { \ + .enable = nuc900_clk_enable, \ + .cken = (1 << _ctrlbit), \ + } + +#define DEFINE_SUBCLK(_name, _ctrlbit) \ +struct clk clk_##_name = { \ + .enable = nuc900_subclk_enable, \ + .cken = (1 << _ctrlbit), \ + } + + +#define DEF_CLKLOOK(_clk, _devname, _conname) \ + { \ + .clk = _clk, \ + .dev_id = _devname, \ + .con_id = _conname, \ + } + diff --git a/arch/arm/mach-w90x900/cpu.c b/arch/arm/mach-w90x900/cpu.c new file mode 100644 index 00000000..83c56324 --- /dev/null +++ b/arch/arm/mach-w90x900/cpu.c @@ -0,0 +1,224 @@ +/* + * linux/arch/arm/mach-w90x900/cpu.c + * + * Copyright (c) 2009 Nuvoton corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * NUC900 series cpu common support + * + * 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;version 2 of the License. + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/serial_8250.h> +#include <linux/delay.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/irq.h> + +#include <mach/hardware.h> +#include <mach/regs-serial.h> +#include <mach/regs-clock.h> +#include <mach/regs-ebi.h> + +#include "cpu.h" +#include "clock.h" + +/* Initial IO mappings */ + +static struct map_desc nuc900_iodesc[] __initdata = { + IODESC_ENT(IRQ), + IODESC_ENT(GCR), + IODESC_ENT(UART), + IODESC_ENT(TIMER), + IODESC_ENT(EBI), + IODESC_ENT(GPIO), +}; + +/* Initial clock declarations. */ +static DEFINE_CLK(lcd, 0); +static DEFINE_CLK(audio, 1); +static DEFINE_CLK(fmi, 4); +static DEFINE_SUBCLK(ms, 0); +static DEFINE_SUBCLK(sd, 1); +static DEFINE_CLK(dmac, 5); +static DEFINE_CLK(atapi, 6); +static DEFINE_CLK(emc, 7); +static DEFINE_SUBCLK(rmii, 2); +static DEFINE_CLK(usbd, 8); +static DEFINE_CLK(usbh, 9); +static DEFINE_CLK(g2d, 10);; +static DEFINE_CLK(pwm, 18); +static DEFINE_CLK(ps2, 24); +static DEFINE_CLK(kpi, 25); +static DEFINE_CLK(wdt, 26); +static DEFINE_CLK(gdma, 27); +static DEFINE_CLK(adc, 28); +static DEFINE_CLK(usi, 29); +static DEFINE_CLK(ext, 0); +static DEFINE_CLK(timer0, 19); +static DEFINE_CLK(timer1, 20); +static DEFINE_CLK(timer2, 21); +static DEFINE_CLK(timer3, 22); +static DEFINE_CLK(timer4, 23); + +static struct clk_lookup nuc900_clkregs[] = { + DEF_CLKLOOK(&clk_lcd, "nuc900-lcd", NULL), + DEF_CLKLOOK(&clk_audio, "nuc900-audio", NULL), + DEF_CLKLOOK(&clk_fmi, "nuc900-fmi", NULL), + DEF_CLKLOOK(&clk_ms, "nuc900-fmi", "MS"), + DEF_CLKLOOK(&clk_sd, "nuc900-fmi", "SD"), + DEF_CLKLOOK(&clk_dmac, "nuc900-dmac", NULL), + DEF_CLKLOOK(&clk_atapi, "nuc900-atapi", NULL), + DEF_CLKLOOK(&clk_emc, "nuc900-emc", NULL), + DEF_CLKLOOK(&clk_rmii, "nuc900-emc", "RMII"), + DEF_CLKLOOK(&clk_usbd, "nuc900-usbd", NULL), + DEF_CLKLOOK(&clk_usbh, "nuc900-usbh", NULL), + DEF_CLKLOOK(&clk_g2d, "nuc900-g2d", NULL), + DEF_CLKLOOK(&clk_pwm, "nuc900-pwm", NULL), + DEF_CLKLOOK(&clk_ps2, "nuc900-ps2", NULL), + DEF_CLKLOOK(&clk_kpi, "nuc900-kpi", NULL), + DEF_CLKLOOK(&clk_wdt, "nuc900-wdt", NULL), + DEF_CLKLOOK(&clk_gdma, "nuc900-gdma", NULL), + DEF_CLKLOOK(&clk_adc, "nuc900-ts", NULL), + DEF_CLKLOOK(&clk_usi, "nuc900-spi", NULL), + DEF_CLKLOOK(&clk_ext, NULL, "ext"), + DEF_CLKLOOK(&clk_timer0, NULL, "timer0"), + DEF_CLKLOOK(&clk_timer1, NULL, "timer1"), + DEF_CLKLOOK(&clk_timer2, NULL, "timer2"), + DEF_CLKLOOK(&clk_timer3, NULL, "timer3"), + DEF_CLKLOOK(&clk_timer4, NULL, "timer4"), +}; + +/* Initial serial platform data */ + +struct plat_serial8250_port nuc900_uart_data[] = { + NUC900_8250PORT(UART0), + {}, +}; + +struct platform_device nuc900_serial_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = nuc900_uart_data, + }, +}; + +/*Set NUC900 series cpu frequence*/ +static int __init nuc900_set_clkval(unsigned int cpufreq) +{ + unsigned int pllclk, ahbclk, apbclk, val; + + pllclk = 0; + ahbclk = 0; + apbclk = 0; + + switch (cpufreq) { + case 66: + pllclk = PLL_66MHZ; + ahbclk = AHB_CPUCLK_1_1; + apbclk = APB_AHB_1_2; + break; + + case 100: + pllclk = PLL_100MHZ; + ahbclk = AHB_CPUCLK_1_1; + apbclk = APB_AHB_1_2; + break; + + case 120: + pllclk = PLL_120MHZ; + ahbclk = AHB_CPUCLK_1_2; + apbclk = APB_AHB_1_2; + break; + + case 166: + pllclk = PLL_166MHZ; + ahbclk = AHB_CPUCLK_1_2; + apbclk = APB_AHB_1_2; + break; + + case 200: + pllclk = PLL_200MHZ; + ahbclk = AHB_CPUCLK_1_2; + apbclk = APB_AHB_1_2; + break; + } + + __raw_writel(pllclk, REG_PLLCON0); + + val = __raw_readl(REG_CLKDIV); + val &= ~(0x03 << 24 | 0x03 << 26); + val |= (ahbclk << 24 | apbclk << 26); + __raw_writel(val, REG_CLKDIV); + + return 0; +} +static int __init nuc900_set_cpufreq(char *str) +{ + unsigned long cpufreq, val; + + if (!*str) + return 0; + + strict_strtoul(str, 0, &cpufreq); + + nuc900_clock_source(NULL, "ext"); + + nuc900_set_clkval(cpufreq); + + mdelay(1); + + val = __raw_readl(REG_CKSKEW); + val &= ~0xff; + val |= DEFAULTSKEW; + __raw_writel(val, REG_CKSKEW); + + nuc900_clock_source(NULL, "pll0"); + + return 1; +} + +__setup("cpufreq=", nuc900_set_cpufreq); + +/*Init NUC900 evb io*/ + +void __init nuc900_map_io(struct map_desc *mach_desc, int mach_size) +{ + unsigned long idcode = 0x0; + + iotable_init(mach_desc, mach_size); + iotable_init(nuc900_iodesc, ARRAY_SIZE(nuc900_iodesc)); + + idcode = __raw_readl(NUC900PDID); + if (idcode == NUC910_CPUID) + printk(KERN_INFO "CPU type 0x%08lx is NUC910\n", idcode); + else if (idcode == NUC920_CPUID) + printk(KERN_INFO "CPU type 0x%08lx is NUC920\n", idcode); + else if (idcode == NUC950_CPUID) + printk(KERN_INFO "CPU type 0x%08lx is NUC950\n", idcode); + else if (idcode == NUC960_CPUID) + printk(KERN_INFO "CPU type 0x%08lx is NUC960\n", idcode); +} + +/*Init NUC900 clock*/ + +void __init nuc900_init_clocks(void) +{ + clkdev_add_table(nuc900_clkregs, ARRAY_SIZE(nuc900_clkregs)); +} + diff --git a/arch/arm/mach-w90x900/cpu.h b/arch/arm/mach-w90x900/cpu.h new file mode 100644 index 00000000..f8730b60 --- /dev/null +++ b/arch/arm/mach-w90x900/cpu.h @@ -0,0 +1,60 @@ +/* + * arch/arm/mach-w90x900/cpu.h + * + * Based on linux/include/asm-arm/plat-s3c24xx/cpu.h by Ben Dooks + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Header file for NUC900 CPU support + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + * + */ + +#define IODESC_ENT(y) \ +{ \ + .virtual = (unsigned long)W90X900_VA_##y, \ + .pfn = __phys_to_pfn(W90X900_PA_##y), \ + .length = W90X900_SZ_##y, \ + .type = MT_DEVICE, \ +} + +#define NUC900_8250PORT(name) \ +{ \ + .membase = name##_BA, \ + .mapbase = name##_PA, \ + .irq = IRQ_##name, \ + .uartclk = 11313600, \ + .regshift = 2, \ + .iotype = UPIO_MEM, \ + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ +} + +/*Cpu identifier register*/ + +#define NUC900PDID W90X900_VA_GCR +#define NUC910_CPUID 0x02900910 +#define NUC920_CPUID 0x02900920 +#define NUC950_CPUID 0x02900950 +#define NUC960_CPUID 0x02900960 + +/* extern file from cpu.c */ + +extern void nuc900_clock_source(struct device *dev, unsigned char *src); +extern void nuc900_init_clocks(void); +extern void nuc900_map_io(struct map_desc *mach_desc, int mach_size); +extern void nuc900_board_init(struct platform_device **device, int size); + +/* for either public between 910 and 920, or between 920 and 950 */ + +extern struct platform_device nuc900_serial_device; +extern struct platform_device nuc900_device_fmi; +extern struct platform_device nuc900_device_kpi; +extern struct platform_device nuc900_device_rtc; +extern struct platform_device nuc900_device_ts; +extern struct platform_device nuc900_device_lcd; diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c new file mode 100644 index 00000000..7a1fa6ad --- /dev/null +++ b/arch/arm/mach-w90x900/dev.c @@ -0,0 +1,538 @@ +/* + * linux/arch/arm/mach-w90x900/dev.c + * + * Copyright (C) 2009 Nuvoton corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include <linux/mtd/physmap.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> + +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach-types.h> + +#include <mach/regs-serial.h> +#include <mach/nuc900_spi.h> +#include <mach/map.h> +#include <mach/fb.h> +#include <mach/regs-ldm.h> +#include <mach/w90p910_keypad.h> + +#include "cpu.h" + +/*NUC900 evb norflash driver data */ + +#define NUC900_FLASH_BASE 0xA0000000 +#define NUC900_FLASH_SIZE 0x400000 +#define SPIOFFSET 0x200 +#define SPIOREG_SIZE 0x100 + +static struct mtd_partition nuc900_flash_partitions[] = { + { + .name = "NOR Partition 1 for kernel (960K)", + .size = 0xF0000, + .offset = 0x10000, + }, + { + .name = "NOR Partition 2 for image (1M)", + .size = 0x100000, + .offset = 0x100000, + }, + { + .name = "NOR Partition 3 for user (2M)", + .size = 0x200000, + .offset = 0x00200000, + } +}; + +static struct physmap_flash_data nuc900_flash_data = { + .width = 2, + .parts = nuc900_flash_partitions, + .nr_parts = ARRAY_SIZE(nuc900_flash_partitions), +}; + +static struct resource nuc900_flash_resources[] = { + { + .start = NUC900_FLASH_BASE, + .end = NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device nuc900_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &nuc900_flash_data, + }, + .resource = nuc900_flash_resources, + .num_resources = ARRAY_SIZE(nuc900_flash_resources), +}; + +/* USB EHCI Host Controller */ + +static struct resource nuc900_usb_ehci_resource[] = { + [0] = { + .start = W90X900_PA_USBEHCIHOST, + .end = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_USBH, + .end = IRQ_USBH, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL; + +static struct platform_device nuc900_device_usb_ehci = { + .name = "nuc900-ehci", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_usb_ehci_resource), + .resource = nuc900_usb_ehci_resource, + .dev = { + .dma_mask = &nuc900_device_usb_ehci_dmamask, + .coherent_dma_mask = 0xffffffffUL + } +}; + +/* USB OHCI Host Controller */ + +static struct resource nuc900_usb_ohci_resource[] = { + [0] = { + .start = W90X900_PA_USBOHCIHOST, + .end = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_USBH, + .end = IRQ_USBH, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL; +static struct platform_device nuc900_device_usb_ohci = { + .name = "nuc900-ohci", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_usb_ohci_resource), + .resource = nuc900_usb_ohci_resource, + .dev = { + .dma_mask = &nuc900_device_usb_ohci_dmamask, + .coherent_dma_mask = 0xffffffffUL + } +}; + +/* USB Device (Gadget)*/ + +static struct resource nuc900_usbgadget_resource[] = { + [0] = { + .start = W90X900_PA_USBDEV, + .end = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_USBD, + .end = IRQ_USBD, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device nuc900_device_usbgadget = { + .name = "nuc900-usbgadget", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_usbgadget_resource), + .resource = nuc900_usbgadget_resource, +}; + +/* MAC device */ + +static struct resource nuc900_emc_resource[] = { + [0] = { + .start = W90X900_PA_EMC, + .end = W90X900_PA_EMC + W90X900_SZ_EMC - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_EMCTX, + .end = IRQ_EMCTX, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_EMCRX, + .end = IRQ_EMCRX, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 nuc900_device_emc_dmamask = 0xffffffffUL; +static struct platform_device nuc900_device_emc = { + .name = "nuc900-emc", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_emc_resource), + .resource = nuc900_emc_resource, + .dev = { + .dma_mask = &nuc900_device_emc_dmamask, + .coherent_dma_mask = 0xffffffffUL + } +}; + +/* SPI device */ + +static struct nuc900_spi_info nuc900_spiflash_data = { + .num_cs = 1, + .lsb = 0, + .txneg = 1, + .rxneg = 0, + .divider = 24, + .sleep = 0, + .txnum = 0, + .txbitlen = 8, + .bus_num = 0, +}; + +static struct resource nuc900_spi_resource[] = { + [0] = { + .start = W90X900_PA_I2C + SPIOFFSET, + .end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP, + .end = IRQ_SSP, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device nuc900_device_spi = { + .name = "nuc900-spi", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_spi_resource), + .resource = nuc900_spi_resource, + .dev = { + .platform_data = &nuc900_spiflash_data, + } +}; + +/* spi device, spi flash info */ + +static struct mtd_partition nuc900_spi_flash_partitions[] = { + { + .name = "bootloader(spi)", + .size = 0x0100000, + .offset = 0, + }, +}; + +static struct flash_platform_data nuc900_spi_flash_data = { + .name = "m25p80", + .parts = nuc900_spi_flash_partitions, + .nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions), + .type = "w25x16", +}; + +static struct spi_board_info nuc900_spi_board_info[] __initdata = { + { + .modalias = "m25p80", + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + .platform_data = &nuc900_spi_flash_data, + .mode = SPI_MODE_0, + }, +}; + +/* WDT Device */ + +static struct resource nuc900_wdt_resource[] = { + [0] = { + .start = W90X900_PA_TIMER, + .end = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_WDT, + .end = IRQ_WDT, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device nuc900_device_wdt = { + .name = "nuc900-wdt", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_wdt_resource), + .resource = nuc900_wdt_resource, +}; + +/* + * public device definition between 910 and 920, or 910 + * and 950 or 950 and 960...,their dev platform register + * should be in specific file such as nuc950, nuc960 c + * files rather than the public dev.c file here. so the + * corresponding platform_device definition should not be + * static. +*/ + +/* RTC controller*/ + +static struct resource nuc900_rtc_resource[] = { + [0] = { + .start = W90X900_PA_RTC, + .end = W90X900_PA_RTC + 0xff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_RTC, + .end = IRQ_RTC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device nuc900_device_rtc = { + .name = "nuc900-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_rtc_resource), + .resource = nuc900_rtc_resource, +}; + +/*TouchScreen controller*/ + +static struct resource nuc900_ts_resource[] = { + [0] = { + .start = W90X900_PA_ADC, + .end = W90X900_PA_ADC + W90X900_SZ_ADC-1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_ADC, + .end = IRQ_ADC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device nuc900_device_ts = { + .name = "nuc900-ts", + .id = -1, + .resource = nuc900_ts_resource, + .num_resources = ARRAY_SIZE(nuc900_ts_resource), +}; + +/* FMI Device */ + +static struct resource nuc900_fmi_resource[] = { + [0] = { + .start = W90X900_PA_FMI, + .end = W90X900_PA_FMI + W90X900_SZ_FMI - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_FMI, + .end = IRQ_FMI, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device nuc900_device_fmi = { + .name = "nuc900-fmi", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_fmi_resource), + .resource = nuc900_fmi_resource, +}; + +/* KPI controller*/ + +static int nuc900_keymap[] = { + KEY(0, 0, KEY_A), + KEY(0, 1, KEY_B), + KEY(0, 2, KEY_C), + KEY(0, 3, KEY_D), + + KEY(1, 0, KEY_E), + KEY(1, 1, KEY_F), + KEY(1, 2, KEY_G), + KEY(1, 3, KEY_H), + + KEY(2, 0, KEY_I), + KEY(2, 1, KEY_J), + KEY(2, 2, KEY_K), + KEY(2, 3, KEY_L), + + KEY(3, 0, KEY_M), + KEY(3, 1, KEY_N), + KEY(3, 2, KEY_O), + KEY(3, 3, KEY_P), +}; + +static struct matrix_keymap_data nuc900_map_data = { + .keymap = nuc900_keymap, + .keymap_size = ARRAY_SIZE(nuc900_keymap), +}; + +struct w90p910_keypad_platform_data nuc900_keypad_info = { + .keymap_data = &nuc900_map_data, + .prescale = 0xfa, + .debounce = 0x50, +}; + +static struct resource nuc900_kpi_resource[] = { + [0] = { + .start = W90X900_PA_KPI, + .end = W90X900_PA_KPI + W90X900_SZ_KPI - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_KPI, + .end = IRQ_KPI, + .flags = IORESOURCE_IRQ, + } + +}; + +struct platform_device nuc900_device_kpi = { + .name = "nuc900-kpi", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_kpi_resource), + .resource = nuc900_kpi_resource, + .dev = { + .platform_data = &nuc900_keypad_info, + } +}; + +/* LCD controller*/ + +static struct nuc900fb_display __initdata nuc900_lcd_info[] = { + /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */ + [0] = { + .type = LCM_DCCS_VA_SRC_RGB565, + .width = 320, + .height = 240, + .xres = 320, + .yres = 240, + .bpp = 16, + .pixclock = 200000, + .left_margin = 34, + .right_margin = 54, + .hsync_len = 10, + .upper_margin = 18, + .lower_margin = 4, + .vsync_len = 1, + .dccs = 0x8e00041a, + .devctl = 0x060800c0, + .fbctrl = 0x00a000a0, + .scale = 0x04000400, + }, +}; + +static struct nuc900fb_mach_info nuc900_fb_info __initdata = { +#if defined(CONFIG_GPM1040A0_320X240) + .displays = &nuc900_lcd_info[0], +#else + .displays = nuc900_lcd_info, +#endif + .num_displays = ARRAY_SIZE(nuc900_lcd_info), + .default_display = 0, + .gpio_dir = 0x00000004, + .gpio_dir_mask = 0xFFFFFFFD, + .gpio_data = 0x00000004, + .gpio_data_mask = 0xFFFFFFFD, +}; + +static struct resource nuc900_lcd_resource[] = { + [0] = { + .start = W90X900_PA_LCD, + .end = W90X900_PA_LCD + W90X900_SZ_LCD - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_LCD, + .end = IRQ_LCD, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 nuc900_device_lcd_dmamask = -1; +struct platform_device nuc900_device_lcd = { + .name = "nuc900-lcd", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_lcd_resource), + .resource = nuc900_lcd_resource, + .dev = { + .dma_mask = &nuc900_device_lcd_dmamask, + .coherent_dma_mask = -1, + .platform_data = &nuc900_fb_info, + } +}; + +/* AUDIO controller*/ +static u64 nuc900_device_audio_dmamask = -1; +static struct resource nuc900_ac97_resource[] = { + [0] = { + .start = W90X900_PA_ACTL, + .end = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_ACTL, + .end = IRQ_ACTL, + .flags = IORESOURCE_IRQ, + } + +}; + +struct platform_device nuc900_device_audio = { + .name = "nuc900-audio", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_ac97_resource), + .resource = nuc900_ac97_resource, + .dev = { + .dma_mask = &nuc900_device_audio_dmamask, + .coherent_dma_mask = -1, + } +}; + +/*Here should be your evb resourse,such as LCD*/ + +static struct platform_device *nuc900_public_dev[] __initdata = { + &nuc900_serial_device, + &nuc900_flash_device, + &nuc900_device_usb_ehci, + &nuc900_device_usb_ohci, + &nuc900_device_usbgadget, + &nuc900_device_emc, + &nuc900_device_spi, + &nuc900_device_wdt, + &nuc900_device_audio, +}; + +/* Provide adding specific CPU platform devices API */ + +void __init nuc900_board_init(struct platform_device **device, int size) +{ + platform_add_devices(device, size); + platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev)); + spi_register_board_info(nuc900_spi_board_info, + ARRAY_SIZE(nuc900_spi_board_info)); +} + diff --git a/arch/arm/mach-w90x900/gpio.c b/arch/arm/mach-w90x900/gpio.c new file mode 100644 index 00000000..ba05aec7 --- /dev/null +++ b/arch/arm/mach-w90x900/gpio.c @@ -0,0 +1,154 @@ +/* + * linux/arch/arm/mach-w90x900/gpio.c + * + * Generic nuc900 GPIO handling + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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 <linux/clk.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <mach/hardware.h> + +#define GPIO_BASE (W90X900_VA_GPIO) +#define GPIO_DIR (0x04) +#define GPIO_OUT (0x08) +#define GPIO_IN (0x0C) +#define GROUPINERV (0x10) +#define GPIO_GPIO(Nb) (0x00000001 << (Nb)) +#define to_nuc900_gpio_chip(c) container_of(c, struct nuc900_gpio_chip, chip) + +#define NUC900_GPIO_CHIP(name, base_gpio, nr_gpio) \ + { \ + .chip = { \ + .label = name, \ + .direction_input = nuc900_dir_input, \ + .direction_output = nuc900_dir_output, \ + .get = nuc900_gpio_get, \ + .set = nuc900_gpio_set, \ + .base = base_gpio, \ + .ngpio = nr_gpio, \ + } \ + } + +struct nuc900_gpio_chip { + struct gpio_chip chip; + void __iomem *regbase; /* Base of group register*/ + spinlock_t gpio_lock; +}; + +static int nuc900_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + void __iomem *pio = nuc900_gpio->regbase + GPIO_IN; + unsigned int regval; + + regval = __raw_readl(pio); + regval &= GPIO_GPIO(offset); + + return (regval != 0); +} + +static void nuc900_gpio_set(struct gpio_chip *chip, unsigned offset, int val) +{ + struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + void __iomem *pio = nuc900_gpio->regbase + GPIO_OUT; + unsigned int regval; + unsigned long flags; + + spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags); + + regval = __raw_readl(pio); + + if (val) + regval |= GPIO_GPIO(offset); + else + regval &= ~GPIO_GPIO(offset); + + __raw_writel(regval, pio); + + spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags); +} + +static int nuc900_dir_input(struct gpio_chip *chip, unsigned offset) +{ + struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + void __iomem *pio = nuc900_gpio->regbase + GPIO_DIR; + unsigned int regval; + unsigned long flags; + + spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags); + + regval = __raw_readl(pio); + regval &= ~GPIO_GPIO(offset); + __raw_writel(regval, pio); + + spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags); + + return 0; +} + +static int nuc900_dir_output(struct gpio_chip *chip, unsigned offset, int val) +{ + struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + void __iomem *outreg = nuc900_gpio->regbase + GPIO_OUT; + void __iomem *pio = nuc900_gpio->regbase + GPIO_DIR; + unsigned int regval; + unsigned long flags; + + spin_lock_irqsave(&nuc900_gpio->gpio_lock, flags); + + regval = __raw_readl(pio); + regval |= GPIO_GPIO(offset); + __raw_writel(regval, pio); + + regval = __raw_readl(outreg); + + if (val) + regval |= GPIO_GPIO(offset); + else + regval &= ~GPIO_GPIO(offset); + + __raw_writel(regval, outreg); + + spin_unlock_irqrestore(&nuc900_gpio->gpio_lock, flags); + + return 0; +} + +static struct nuc900_gpio_chip nuc900_gpio[] = { + NUC900_GPIO_CHIP("GROUPC", 0, 16), + NUC900_GPIO_CHIP("GROUPD", 16, 10), + NUC900_GPIO_CHIP("GROUPE", 26, 14), + NUC900_GPIO_CHIP("GROUPF", 40, 10), + NUC900_GPIO_CHIP("GROUPG", 50, 17), + NUC900_GPIO_CHIP("GROUPH", 67, 8), + NUC900_GPIO_CHIP("GROUPI", 75, 17), +}; + +void __init nuc900_init_gpio(int nr_group) +{ + unsigned i; + struct nuc900_gpio_chip *gpio_chip; + + for (i = 0; i < nr_group; i++) { + gpio_chip = &nuc900_gpio[i]; + spin_lock_init(&gpio_chip->gpio_lock); + gpio_chip->regbase = GPIO_BASE + i * GROUPINERV; + gpiochip_add(&gpio_chip->chip); + } +} diff --git a/arch/arm/mach-w90x900/include/mach/clkdev.h b/arch/arm/mach-w90x900/include/mach/clkdev.h new file mode 100644 index 00000000..04b37a89 --- /dev/null +++ b/arch/arm/mach-w90x900/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 diff --git a/arch/arm/mach-w90x900/include/mach/entry-macro.S b/arch/arm/mach-w90x900/include/mach/entry-macro.S new file mode 100644 index 00000000..d39aca5b --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/entry-macro.S @@ -0,0 +1,34 @@ +/* + * arch/arm/mach-w90x900/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for W90P910-based platforms + * + * 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. + * + */ + +#include <mach/hardware.h> +#include <mach/regs-irq.h> + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + + mov \base, #AIC_BA + + ldr \irqnr, [ \base, #AIC_IPER] + ldr \irqnr, [ \base, #AIC_ISNR] + cmp \irqnr, #0 + + .endm + + /* currently don't need an disable_fiq macro */ + + .macro disable_fiq + .endm diff --git a/arch/arm/mach-w90x900/include/mach/fb.h b/arch/arm/mach-w90x900/include/mach/fb.h new file mode 100644 index 00000000..cec5ece7 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/fb.h @@ -0,0 +1,83 @@ +/* linux/include/asm/arch-nuc900/fb.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * 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. + * + * Changelog: + * + * 2008/08/26 vincen.zswan modify this file for LCD. + */ + +#ifndef __ASM_ARM_FB_H +#define __ASM_ARM_FB_H + + + +/* LCD Controller Hardware Desc */ +struct nuc900fb_hw { + unsigned int lcd_dccs; + unsigned int lcd_device_ctrl; + unsigned int lcd_mpulcd_cmd; + unsigned int lcd_int_cs; + unsigned int lcd_crtc_size; + unsigned int lcd_crtc_dend; + unsigned int lcd_crtc_hr; + unsigned int lcd_crtc_hsync; + unsigned int lcd_crtc_vr; + unsigned int lcd_va_baddr0; + unsigned int lcd_va_baddr1; + unsigned int lcd_va_fbctrl; + unsigned int lcd_va_scale; + unsigned int lcd_va_test; + unsigned int lcd_va_win; + unsigned int lcd_va_stuff; +}; + +/* LCD Display Description */ +struct nuc900fb_display { + /* LCD Image type */ + unsigned type; + + /* LCD Screen Size */ + unsigned short width; + unsigned short height; + + /* LCD Screen Info */ + unsigned short xres; + unsigned short yres; + unsigned short bpp; + + unsigned long pixclock; + unsigned short left_margin; + unsigned short right_margin; + unsigned short hsync_len; + unsigned short upper_margin; + unsigned short lower_margin; + unsigned short vsync_len; + + /* hardware special register value */ + unsigned int dccs; + unsigned int devctl; + unsigned int fbctrl; + unsigned int scale; +}; + +struct nuc900fb_mach_info { + struct nuc900fb_display *displays; + unsigned num_displays; + unsigned default_display; + /* GPIO Setting Info */ + unsigned gpio_dir; + unsigned gpio_dir_mask; + unsigned gpio_data; + unsigned gpio_data_mask; +}; + +extern void __init nuc900_fb_set_platdata(struct nuc900fb_mach_info *); + +#endif /* __ASM_ARM_FB_H */ diff --git a/arch/arm/mach-w90x900/include/mach/gpio.h b/arch/arm/mach-w90x900/include/mach/gpio.h new file mode 100644 index 00000000..034da3e3 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/gpio.h @@ -0,0 +1,34 @@ +/* + * linux/arch/arm/mach-w90p910/include/mach/gpio.h + * + * Generic w90p910 GPIO handling + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + */ + +#ifndef __ASM_ARCH_W90P910_GPIO_H +#define __ASM_ARCH_W90P910_GPIO_H + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm-generic/gpio.h> + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep + +static inline int gpio_to_irq(unsigned gpio) +{ + return gpio; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return irq; +} + +#endif diff --git a/arch/arm/mach-w90x900/include/mach/hardware.h b/arch/arm/mach-w90x900/include/mach/hardware.h new file mode 100644 index 00000000..fe3c6265 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/hardware.h @@ -0,0 +1,24 @@ +/* + * arch/arm/mach-w90x900/include/mach/hardware.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/hardware.h + * + * 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. + * + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include <asm/sizes.h> +#include <mach/map.h> + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-w90x900/include/mach/i2c.h b/arch/arm/mach-w90x900/include/mach/i2c.h new file mode 100644 index 00000000..9ffb12d0 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/i2c.h @@ -0,0 +1,9 @@ +#ifndef __ASM_ARCH_NUC900_I2C_H +#define __ASM_ARCH_NUC900_I2C_H + +struct nuc900_platform_i2c { + int bus_num; + unsigned long bus_freq; +}; + +#endif /* __ASM_ARCH_NUC900_I2C_H */ diff --git a/arch/arm/mach-w90x900/include/mach/io.h b/arch/arm/mach-w90x900/include/mach/io.h new file mode 100644 index 00000000..d96ab99d --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/io.h @@ -0,0 +1,30 @@ +/* + * arch/arm/mach-w90x900/include/mach/io.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/io.h + * + * 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. + * + */ + +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * 1:1 mapping for ioremapped regions. + */ + +#define __mem_pci(a) (a) +#define __io(a) __typesafe_io(a) + +#endif diff --git a/arch/arm/mach-w90x900/include/mach/irqs.h b/arch/arm/mach-w90x900/include/mach/irqs.h new file mode 100644 index 00000000..9d5cba3a --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/irqs.h @@ -0,0 +1,86 @@ +/* + * arch/arm/mach-w90x900/include/mach/irqs.h + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/irqs.h + * + * 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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_IRQS_H +#define __ASM_ARCH_IRQS_H + +/* + * we keep the first set of CPU IRQs out of the range of + * the ISA space, so that the PC104 has them to itself + * and we don't end up having to do horrible things to the + * standard ISA drivers.... + * + */ + +#define W90X900_IRQ(x) (x) + +/* Main cpu interrupts */ + +#define IRQ_WDT W90X900_IRQ(1) +#define IRQ_GROUP0 W90X900_IRQ(2) +#define IRQ_GROUP1 W90X900_IRQ(3) +#define IRQ_ACTL W90X900_IRQ(4) +#define IRQ_LCD W90X900_IRQ(5) +#define IRQ_RTC W90X900_IRQ(6) +#define IRQ_UART0 W90X900_IRQ(7) +#define IRQ_UART1 W90X900_IRQ(8) +#define IRQ_UART2 W90X900_IRQ(9) +#define IRQ_UART3 W90X900_IRQ(10) +#define IRQ_UART4 W90X900_IRQ(11) +#define IRQ_TIMER0 W90X900_IRQ(12) +#define IRQ_TIMER1 W90X900_IRQ(13) +#define IRQ_T_INT_GROUP W90X900_IRQ(14) +#define IRQ_USBH W90X900_IRQ(15) +#define IRQ_EMCTX W90X900_IRQ(16) +#define IRQ_EMCRX W90X900_IRQ(17) +#define IRQ_GDMAGROUP W90X900_IRQ(18) +#define IRQ_DMAC W90X900_IRQ(19) +#define IRQ_FMI W90X900_IRQ(20) +#define IRQ_USBD W90X900_IRQ(21) +#define IRQ_ATAPI W90X900_IRQ(22) +#define IRQ_G2D W90X900_IRQ(23) +#define IRQ_PCI W90X900_IRQ(24) +#define IRQ_SCGROUP W90X900_IRQ(25) +#define IRQ_I2CGROUP W90X900_IRQ(26) +#define IRQ_SSP W90X900_IRQ(27) +#define IRQ_PWM W90X900_IRQ(28) +#define IRQ_KPI W90X900_IRQ(29) +#define IRQ_P2SGROUP W90X900_IRQ(30) +#define IRQ_ADC W90X900_IRQ(31) +#define NR_IRQS (IRQ_ADC+1) + +/*for irq group*/ + +#define IRQ_PS2_PORT0 0x10000000 +#define IRQ_PS2_PORT1 0x20000000 +#define IRQ_I2C_LINE0 0x04000000 +#define IRQ_I2C_LINE1 0x08000000 +#define IRQ_SC_CARD0 0x01000000 +#define IRQ_SC_CARD1 0x02000000 +#define IRQ_GDMA_CH0 0x00100000 +#define IRQ_GDMA_CH1 0x00200000 +#define IRQ_TIMER2 0x00010000 +#define IRQ_TIMER3 0x00020000 +#define IRQ_TIMER4 0x00040000 +#define IRQ_GROUP0_IRQ0 0x00000001 +#define IRQ_GROUP0_IRQ1 0x00000002 +#define IRQ_GROUP0_IRQ2 0x00000004 +#define IRQ_GROUP0_IRQ3 0x00000008 +#define IRQ_GROUP1_IRQ4 0x00000010 +#define IRQ_GROUP1_IRQ5 0x00000020 +#define IRQ_GROUP1_IRQ6 0x00000040 +#define IRQ_GROUP1_IRQ7 0x00000080 + +#endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/mach-w90x900/include/mach/map.h b/arch/arm/mach-w90x900/include/mach/map.h new file mode 100644 index 00000000..1a209530 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/map.h @@ -0,0 +1,157 @@ +/* + * arch/arm/mach-w90x900/include/mach/map.h + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/map.h + * + * 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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_MAP_H +#define __ASM_ARCH_MAP_H + +#ifndef __ASSEMBLY__ +#define W90X900_ADDR(x) ((void __iomem *)(0xF0000000 + (x))) +#else +#define W90X900_ADDR(x) (0xF0000000 + (x)) +#endif + +#define AHB_IO_BASE 0xB0000000 +#define APB_IO_BASE 0xB8000000 +#define CLOCKPW_BASE (APB_IO_BASE+0x200) +#define AIC_IO_BASE (APB_IO_BASE+0x2000) +#define TIMER_IO_BASE (APB_IO_BASE+0x1000) + +/* + * interrupt controller is the first thing we put in, to make + * the assembly code for the irq detection easier + */ +#define W90X900_VA_IRQ W90X900_ADDR(0x00000000) +#define W90X900_PA_IRQ (0xB8002000) +#define W90X900_SZ_IRQ SZ_4K + +#define W90X900_VA_GCR W90X900_ADDR(0x08002000) +#define W90X900_PA_GCR (0xB0000000) +#define W90X900_SZ_GCR SZ_4K + +/* Clock and Power management */ +#define W90X900_VA_CLKPWR (W90X900_VA_GCR+0x200) +#define W90X900_PA_CLKPWR (0xB0000200) +#define W90X900_SZ_CLKPWR SZ_4K + +/* EBI management */ +#define W90X900_VA_EBI W90X900_ADDR(0x00001000) +#define W90X900_PA_EBI (0xB0001000) +#define W90X900_SZ_EBI SZ_4K + +/* UARTs */ +#define W90X900_VA_UART W90X900_ADDR(0x08000000) +#define W90X900_PA_UART (0xB8000000) +#define W90X900_SZ_UART SZ_4K + +/* Timers */ +#define W90X900_VA_TIMER W90X900_ADDR(0x08001000) +#define W90X900_PA_TIMER (0xB8001000) +#define W90X900_SZ_TIMER SZ_4K + +/* GPIO ports */ +#define W90X900_VA_GPIO W90X900_ADDR(0x08003000) +#define W90X900_PA_GPIO (0xB8003000) +#define W90X900_SZ_GPIO SZ_4K + +/* GDMA control */ +#define W90X900_VA_GDMA W90X900_ADDR(0x00004000) +#define W90X900_PA_GDMA (0xB0004000) +#define W90X900_SZ_GDMA SZ_4K + +/* USB host controller*/ +#define W90X900_VA_USBEHCIHOST W90X900_ADDR(0x00005000) +#define W90X900_PA_USBEHCIHOST (0xB0005000) +#define W90X900_SZ_USBEHCIHOST SZ_4K + +#define W90X900_VA_USBOHCIHOST W90X900_ADDR(0x00007000) +#define W90X900_PA_USBOHCIHOST (0xB0007000) +#define W90X900_SZ_USBOHCIHOST SZ_4K + +/* I2C hardware controller */ +#define W90X900_VA_I2C W90X900_ADDR(0x08006000) +#define W90X900_PA_I2C (0xB8006000) +#define W90X900_SZ_I2C SZ_4K + +/* Keypad Interface*/ +#define W90X900_VA_KPI W90X900_ADDR(0x08008000) +#define W90X900_PA_KPI (0xB8008000) +#define W90X900_SZ_KPI SZ_4K + +/* Smart card host*/ +#define W90X900_VA_SC W90X900_ADDR(0x08005000) +#define W90X900_PA_SC (0xB8005000) +#define W90X900_SZ_SC SZ_4K + +/* LCD controller*/ +#define W90X900_VA_LCD W90X900_ADDR(0x00008000) +#define W90X900_PA_LCD (0xB0008000) +#define W90X900_SZ_LCD SZ_4K + +/* 2D controller*/ +#define W90X900_VA_GE W90X900_ADDR(0x0000B000) +#define W90X900_PA_GE (0xB000B000) +#define W90X900_SZ_GE SZ_4K + +/* ATAPI */ +#define W90X900_VA_ATAPI W90X900_ADDR(0x0000A000) +#define W90X900_PA_ATAPI (0xB000A000) +#define W90X900_SZ_ATAPI SZ_4K + +/* ADC */ +#define W90X900_VA_ADC W90X900_ADDR(0x0800A000) +#define W90X900_PA_ADC (0xB800A000) +#define W90X900_SZ_ADC SZ_4K + +/* PS2 Interface*/ +#define W90X900_VA_PS2 W90X900_ADDR(0x08009000) +#define W90X900_PA_PS2 (0xB8009000) +#define W90X900_SZ_PS2 SZ_4K + +/* RTC */ +#define W90X900_VA_RTC W90X900_ADDR(0x08004000) +#define W90X900_PA_RTC (0xB8004000) +#define W90X900_SZ_RTC SZ_4K + +/* Pulse Width Modulation(PWM) Registers */ +#define W90X900_VA_PWM W90X900_ADDR(0x08007000) +#define W90X900_PA_PWM (0xB8007000) +#define W90X900_SZ_PWM SZ_4K + +/* Audio Controller controller */ +#define W90X900_VA_ACTL W90X900_ADDR(0x00009000) +#define W90X900_PA_ACTL (0xB0009000) +#define W90X900_SZ_ACTL SZ_4K + +/* DMA controller */ +#define W90X900_VA_DMA W90X900_ADDR(0x0000c000) +#define W90X900_PA_DMA (0xB000c000) +#define W90X900_SZ_DMA SZ_4K + +/* FMI controller */ +#define W90X900_VA_FMI W90X900_ADDR(0x0000d000) +#define W90X900_PA_FMI (0xB000d000) +#define W90X900_SZ_FMI SZ_4K + +/* USB Device port */ +#define W90X900_VA_USBDEV W90X900_ADDR(0x00006000) +#define W90X900_PA_USBDEV (0xB0006000) +#define W90X900_SZ_USBDEV SZ_4K + +/* External MAC control*/ +#define W90X900_VA_EMC W90X900_ADDR(0x00003000) +#define W90X900_PA_EMC (0xB0003000) +#define W90X900_SZ_EMC SZ_4K + +#endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-w90x900/include/mach/memory.h b/arch/arm/mach-w90x900/include/mach/memory.h new file mode 100644 index 00000000..f02905ba --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/memory.h @@ -0,0 +1,23 @@ +/* + * arch/arm/mach-w90x900/include/mach/memory.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/memory.h + * + * 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. + * + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PLAT_PHYS_OFFSET UL(0x00000000) + +#endif diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h new file mode 100644 index 00000000..94c0e716 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/mfp.h @@ -0,0 +1,24 @@ +/* + * arch/arm/mach-w90x900/include/mach/mfp.h + * + * Copyright (c) 2010 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/map.h + * + * 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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_MFP_H +#define __ASM_ARCH_MFP_H + +extern void mfp_set_groupf(struct device *dev); +extern void mfp_set_groupc(struct device *dev); +extern void mfp_set_groupi(struct device *dev); +extern void mfp_set_groupg(struct device *dev); + +#endif /* __ASM_ARCH_MFP_H */ diff --git a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h new file mode 100644 index 00000000..bd94819e --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h @@ -0,0 +1,35 @@ +/* + * arch/arm/mach-w90x900/include/mach/nuc900_spi.h + * + * Copyright (c) 2009 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_SPI_H +#define __ASM_ARCH_SPI_H + +extern void mfp_set_groupg(struct device *dev); + +struct nuc900_spi_info { + unsigned int num_cs; + unsigned int lsb; + unsigned int txneg; + unsigned int rxneg; + unsigned int divider; + unsigned int sleep; + unsigned int txnum; + unsigned int txbitlen; + int bus_num; +}; + +struct nuc900_spi_chip { + unsigned char bits_per_word; +}; + +#endif /* __ASM_ARCH_SPI_H */ diff --git a/arch/arm/mach-w90x900/include/mach/regs-clock.h b/arch/arm/mach-w90x900/include/mach/regs-clock.h new file mode 100644 index 00000000..516d6b47 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-clock.h @@ -0,0 +1,53 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-clock.h + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_REGS_CLOCK_H +#define __ASM_ARCH_REGS_CLOCK_H + +/* Clock Control Registers */ +#define CLK_BA W90X900_VA_CLKPWR +#define REG_CLKEN (CLK_BA + 0x00) +#define REG_CLKSEL (CLK_BA + 0x04) +#define REG_CLKDIV (CLK_BA + 0x08) +#define REG_PLLCON0 (CLK_BA + 0x0C) +#define REG_PLLCON1 (CLK_BA + 0x10) +#define REG_PMCON (CLK_BA + 0x14) +#define REG_IRQWAKECON (CLK_BA + 0x18) +#define REG_IRQWAKEFLAG (CLK_BA + 0x1C) +#define REG_IPSRST (CLK_BA + 0x20) +#define REG_CLKEN1 (CLK_BA + 0x24) +#define REG_CLKDIV1 (CLK_BA + 0x28) + +/* Define PLL freq setting */ +#define PLL_DISABLE 0x12B63 +#define PLL_66MHZ 0x2B63 +#define PLL_100MHZ 0x4F64 +#define PLL_120MHZ 0x4F63 +#define PLL_166MHZ 0x4124 +#define PLL_200MHZ 0x4F24 + +/* Define AHB:CPUFREQ ratio */ +#define AHB_CPUCLK_1_1 0x00 +#define AHB_CPUCLK_1_2 0x01 +#define AHB_CPUCLK_1_4 0x02 +#define AHB_CPUCLK_1_8 0x03 + +/* Define APB:AHB ratio */ +#define APB_AHB_1_2 0x01 +#define APB_AHB_1_4 0x02 +#define APB_AHB_1_8 0x03 + +/* Define clock skew */ +#define DEFAULTSKEW 0x48 + +#endif /* __ASM_ARCH_REGS_CLOCK_H */ diff --git a/arch/arm/mach-w90x900/include/mach/regs-ebi.h b/arch/arm/mach-w90x900/include/mach/regs-ebi.h new file mode 100644 index 00000000..b68455e7 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-ebi.h @@ -0,0 +1,33 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-ebi.h + * + * Copyright (c) 2009 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_REGS_EBI_H +#define __ASM_ARCH_REGS_EBI_H + +/* EBI Control Registers */ + +#define EBI_BA W90X900_VA_EBI +#define REG_EBICON (EBI_BA + 0x00) +#define REG_ROMCON (EBI_BA + 0x04) +#define REG_SDCONF0 (EBI_BA + 0x08) +#define REG_SDCONF1 (EBI_BA + 0x0C) +#define REG_SDTIME0 (EBI_BA + 0x10) +#define REG_SDTIME1 (EBI_BA + 0x14) +#define REG_EXT0CON (EBI_BA + 0x18) +#define REG_EXT1CON (EBI_BA + 0x1C) +#define REG_EXT2CON (EBI_BA + 0x20) +#define REG_EXT3CON (EBI_BA + 0x24) +#define REG_EXT4CON (EBI_BA + 0x28) +#define REG_CKSKEW (EBI_BA + 0x2C) + +#endif /* __ASM_ARCH_REGS_EBI_H */ diff --git a/arch/arm/mach-w90x900/include/mach/regs-gcr.h b/arch/arm/mach-w90x900/include/mach/regs-gcr.h new file mode 100644 index 00000000..6087abd9 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-gcr.h @@ -0,0 +1,39 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-gcr.h + * + * Copyright (c) 2010 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + * + */ + +#ifndef __ASM_ARCH_REGS_GCR_H +#define __ASM_ARCH_REGS_GCR_H + +/* Global control registers */ + +#define GCR_BA W90X900_VA_GCR +#define REG_PDID (GCR_BA+0x000) +#define REG_PWRON (GCR_BA+0x004) +#define REG_ARBCON (GCR_BA+0x008) +#define REG_MFSEL (GCR_BA+0x00C) +#define REG_EBIDPE (GCR_BA+0x010) +#define REG_LCDDPE (GCR_BA+0x014) +#define REG_GPIOCPE (GCR_BA+0x018) +#define REG_GPIODPE (GCR_BA+0x01C) +#define REG_GPIOEPE (GCR_BA+0x020) +#define REG_GPIOFPE (GCR_BA+0x024) +#define REG_GPIOGPE (GCR_BA+0x028) +#define REG_GPIOHPE (GCR_BA+0x02C) +#define REG_GPIOIPE (GCR_BA+0x030) +#define REG_GTMP1 (GCR_BA+0x034) +#define REG_GTMP2 (GCR_BA+0x038) +#define REG_GTMP3 (GCR_BA+0x03C) + +#endif /* __ASM_ARCH_REGS_GCR_H */ diff --git a/arch/arm/mach-w90x900/include/mach/regs-irq.h b/arch/arm/mach-w90x900/include/mach/regs-irq.h new file mode 100644 index 00000000..8a3185fb --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-irq.h @@ -0,0 +1,51 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-irq.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/regs-irq.h + * + * 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. + * + */ + +#ifndef ___ASM_ARCH_REGS_IRQ_H +#define ___ASM_ARCH_REGS_IRQ_H + +/* Advance Interrupt Controller (AIC) Registers */ + +#define AIC_BA W90X900_VA_IRQ + +#define REG_AIC_IRQSC (AIC_BA+0x80) +#define REG_AIC_GEN (AIC_BA+0x84) +#define REG_AIC_GASR (AIC_BA+0x88) +#define REG_AIC_GSCR (AIC_BA+0x8C) +#define REG_AIC_IRSR (AIC_BA+0x100) +#define REG_AIC_IASR (AIC_BA+0x104) +#define REG_AIC_ISR (AIC_BA+0x108) +#define REG_AIC_IPER (AIC_BA+0x10C) +#define REG_AIC_ISNR (AIC_BA+0x110) +#define REG_AIC_IMR (AIC_BA+0x114) +#define REG_AIC_OISR (AIC_BA+0x118) +#define REG_AIC_MECR (AIC_BA+0x120) +#define REG_AIC_MDCR (AIC_BA+0x124) +#define REG_AIC_SSCR (AIC_BA+0x128) +#define REG_AIC_SCCR (AIC_BA+0x12C) +#define REG_AIC_EOSCR (AIC_BA+0x130) +#define AIC_IPER (0x10C) +#define AIC_ISNR (0x110) + +/*16-18 bits of REG_AIC_GEN define irq(2-4) group*/ + +#define TIMER2_IRQ (1 << 16) +#define TIMER3_IRQ (1 << 17) +#define TIMER4_IRQ (1 << 18) +#define TIME_GROUP_IRQ (TIMER2_IRQ|TIMER3_IRQ|TIMER4_IRQ) + +#endif /* ___ASM_ARCH_REGS_IRQ_H */ diff --git a/arch/arm/mach-w90x900/include/mach/regs-ldm.h b/arch/arm/mach-w90x900/include/mach/regs-ldm.h new file mode 100644 index 00000000..e9d480a5 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-ldm.h @@ -0,0 +1,253 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-serial.h + * + * Copyright (c) 2009 Nuvoton technology corporation + * All rights reserved. + * + * 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. + * + * Description: + * Nuvoton Display, LCM Register list + * Author: Wang Qiang (rurality.linux@gmail.com) 2009/12/11 + * + */ + + +#ifndef __ASM_ARM_W90X900_REGS_LDM_H +#define __ASM_ARM_W90X900_REGS_LDM_H + +#include <mach/map.h> + +/* Display Controller Control/Status Register */ +#define REG_LCM_DCCS (0x00) + +#define LCM_DCCS_ENG_RST (1 << 0) +#define LCM_DCCS_VA_EN (1 << 1) +#define LCM_DCCS_OSD_EN (1 << 2) +#define LCM_DCCS_DISP_OUT_EN (1 << 3) +#define LCM_DCCS_DISP_INT_EN (1 << 4) +#define LCM_DCCS_CMD_ON (1 << 5) +#define LCM_DCCS_FIELD_INTR (1 << 6) +#define LCM_DCCS_SINGLE (1 << 7) + +enum LCM_DCCS_VA_SRC { + LCM_DCCS_VA_SRC_YUV422 = (0 << 8), + LCM_DCCS_VA_SRC_YCBCR422 = (1 << 8), + LCM_DCCS_VA_SRC_RGB888 = (2 << 8), + LCM_DCCS_VA_SRC_RGB666 = (3 << 8), + LCM_DCCS_VA_SRC_RGB565 = (4 << 8), + LCM_DCCS_VA_SRC_RGB444LOW = (5 << 8), + LCM_DCCS_VA_SRC_RGB444HIGH = (7 << 8) +}; + + +/* Display Device Control Register */ +#define REG_LCM_DEV_CTRL (0x04) + +enum LCM_DEV_CTRL_SWAP_YCbCr { + LCM_DEV_CTRL_SWAP_UYVY = (0 << 1), + LCM_DEV_CTRL_SWAP_YUYV = (1 << 1), + LCM_DEV_CTRL_SWAP_VYUY = (2 << 1), + LCM_DEV_CTRL_SWAP_YVYU = (3 << 1) +}; + +enum LCM_DEV_CTRL_RGB_SHIFT { + LCM_DEV_CTRL_RGB_SHIFT_NOT = (0 << 3), + LCM_DEV_CTRL_RGB_SHIFT_ONECYCLE = (1 << 3), + LCM_DEV_CTRL_RGB_SHIFT_TWOCYCLE = (2 << 3), + LCM_DEV_CTRL_RGB_SHIFT_NOT_DEF = (3 << 3) +}; + +enum LCM_DEV_CTRL_DEVICE { + LCM_DEV_CTRL_DEVICE_YUV422 = (0 << 5), + LCM_DEV_CTRL_DEVICE_YUV444 = (1 << 5), + LCM_DEV_CTRL_DEVICE_UNIPAC = (4 << 5), + LCM_DEV_CTRL_DEVICE_SEIKO_EPSON = (5 << 5), + LCM_DEV_CTRL_DEVICE_HIGH_COLOR = (6 << 5), + LCM_DEV_CTRL_DEVICE_MPU = (7 << 5) +}; + +#define LCM_DEV_CTRL_LCD_DDA (8) +#define LCM_DEV_CTRL_YUV2CCIR (16) + +enum LCM_DEV_CTRL_LCD_SEL { + LCM_DEV_CTRL_LCD_SEL_RGB_GBR = (0 << 17), + LCM_DEV_CTRL_LCD_SEL_BGR_RBG = (1 << 17), + LCM_DEV_CTRL_LCD_SEL_GBR_RGB = (2 << 17), + LCM_DEV_CTRL_LCD_SEL_RBG_BGR = (3 << 17) +}; + +enum LCM_DEV_CTRL_FAL_D { + LCM_DEV_CTRL_FAL_D_FALLING = (0 << 19), + LCM_DEV_CTRL_FAL_D_RISING = (1 << 19), +}; + +enum LCM_DEV_CTRL_H_POL { + LCM_DEV_CTRL_H_POL_LOW = (0 << 20), + LCM_DEV_CTRL_H_POL_HIGH = (1 << 20), +}; + +enum LCM_DEV_CTRL_V_POL { + LCM_DEV_CTRL_V_POL_LOW = (0 << 21), + LCM_DEV_CTRL_V_POL_HIGH = (1 << 21), +}; + +enum LCM_DEV_CTRL_VR_LACE { + LCM_DEV_CTRL_VR_LACE_NINTERLACE = (0 << 22), + LCM_DEV_CTRL_VR_LACE_INTERLACE = (1 << 22), +}; + +enum LCM_DEV_CTRL_LACE { + LCM_DEV_CTRL_LACE_NINTERLACE = (0 << 23), + LCM_DEV_CTRL_LACE_INTERLACE = (1 << 23), +}; + +enum LCM_DEV_CTRL_RGB_SCALE { + LCM_DEV_CTRL_RGB_SCALE_4096 = (0 << 24), + LCM_DEV_CTRL_RGB_SCALE_65536 = (1 << 24), + LCM_DEV_CTRL_RGB_SCALE_262144 = (2 << 24), + LCM_DEV_CTRL_RGB_SCALE_16777216 = (3 << 24), +}; + +enum LCM_DEV_CTRL_DBWORD { + LCM_DEV_CTRL_DBWORD_HALFWORD = (0 << 26), + LCM_DEV_CTRL_DBWORD_FULLWORD = (1 << 26), +}; + +enum LCM_DEV_CTRL_MPU68 { + LCM_DEV_CTRL_MPU68_80_SERIES = (0 << 27), + LCM_DEV_CTRL_MPU68_68_SERIES = (1 << 27), +}; + +enum LCM_DEV_CTRL_DE_POL { + LCM_DEV_CTRL_DE_POL_HIGH = (0 << 28), + LCM_DEV_CTRL_DE_POL_LOW = (1 << 28), +}; + +#define LCM_DEV_CTRL_CMD16 (29) +#define LCM_DEV_CTRL_CM16t18 (30) +#define LCM_DEV_CTRL_CMD_LOW (31) + +/* MPU-Interface LCD Write Command */ +#define REG_LCM_MPU_CMD (0x08) + +/* Interrupt Control/Status Register */ +#define REG_LCM_INT_CS (0x0c) +#define LCM_INT_CS_DISP_F_EN (1 << 0) +#define LCM_INT_CS_UNDERRUN_EN (1 << 1) +#define LCM_INT_CS_BUS_ERROR_INT (1 << 28) +#define LCM_INT_CS_UNDERRUN_INT (1 << 29) +#define LCM_INT_CS_DISP_F_STATUS (1 << 30) +#define LCM_INT_CS_DISP_F_INT (1 << 31) + +/* CRTC Display Size Control Register */ +#define REG_LCM_CRTC_SIZE (0x10) +#define LCM_CRTC_SIZE_VTTVAL(x) ((x) << 16) +#define LCM_CRTC_SIZE_HTTVAL(x) ((x) << 0) + +/* CRTC Display Enable End */ +#define REG_LCM_CRTC_DEND (0x14) +#define LCM_CRTC_DEND_VDENDVAL(x) ((x) << 16) +#define LCM_CRTC_DEND_HDENDVAL(x) ((x) << 0) + +/* CRTC Internal Horizontal Retrace Control Register */ +#define REG_LCM_CRTC_HR (0x18) +#define LCM_CRTC_HR_EVAL(x) ((x) << 16) +#define LCM_CRTC_HR_SVAL(x) ((x) << 0) + +/* CRTC Horizontal Sync Control Register */ +#define REG_LCM_CRTC_HSYNC (0x1C) +#define LCM_CRTC_HSYNC_SHIFTVAL(x) ((x) << 30) +#define LCM_CRTC_HSYNC_EVAL(x) ((x) << 16) +#define LCM_CRTC_HSYNC_SVAL(x) ((x) << 0) + +/* CRTC Internal Vertical Retrace Control Register */ +#define REG_LCM_CRTC_VR (0x20) +#define LCM_CRTC_VR_EVAL(x) ((x) << 16) +#define LCM_CRTC_VR_SVAL(x) ((x) << 0) + +/* Video Stream Frame Buffer-0 Starting Address */ +#define REG_LCM_VA_BADDR0 (0x24) + +/* Video Stream Frame Buffer-1 Starting Address */ +#define REG_LCM_VA_BADDR1 (0x28) + +/* Video Stream Frame Buffer Control Register */ +#define REG_LCM_VA_FBCTRL (0x2C) +#define LCM_VA_FBCTRL_IO_REGION_HALF (1 << 28) +#define LCM_VA_FBCTRL_FIELD_DUAL (1 << 29) +#define LCM_VA_FBCTRL_START_BUF (1 << 30) +#define LCM_VA_FBCTRL_DB_EN (1 << 31) + +/* Video Stream Scaling Control Register */ +#define REG_LCM_VA_SCALE (0x30) +#define LCM_VA_SCALE_XCOPY_INTERPOLATION (0 << 15) +#define LCM_VA_SCALE_XCOPY_DUPLICATION (1 << 15) + +/* Image Stream Active Window Coordinates */ +#define REG_LCM_VA_WIN (0x38) + +/* Image Stream Stuff Pixel */ +#define REG_LCM_VA_STUFF (0x3C) + +/* OSD Window Starting Coordinates */ +#define REG_LCM_OSD_WINS (0x40) + +/* OSD Window Ending Coordinates */ +#define REG_LCM_OSD_WINE (0x44) + +/* OSD Stream Frame Buffer Starting Address */ +#define REG_LCM_OSD_BADDR (0x48) + +/* OSD Stream Frame Buffer Control Register */ +#define REG_LCM_OSD_FBCTRL (0x4c) + +/* OSD Overlay Control Register */ +#define REG_LCM_OSD_OVERLAY (0x50) + +/* OSD Overlay Color-Key Pattern Register */ +#define REG_LCM_OSD_CKEY (0x54) + +/* OSD Overlay Color-Key Mask Register */ +#define REG_LCM_OSD_CMASK (0x58) + +/* OSD Window Skip1 Register */ +#define REG_LCM_OSD_SKIP1 (0x5C) + +/* OSD Window Skip2 Register */ +#define REG_LCM_OSD_SKIP2 (0x60) + +/* OSD horizontal up scaling control register */ +#define REG_LCM_OSD_SCALE (0x64) + +/* MPU Vsync control register */ +#define REG_LCM_MPU_VSYNC (0x68) + +/* Hardware cursor control Register */ +#define REG_LCM_HC_CTRL (0x6C) + +/* Hardware cursot tip point potison on va picture */ +#define REG_LCM_HC_POS (0x70) + +/* Hardware Cursor Window Buffer Control Register */ +#define REG_LCM_HC_WBCTRL (0x74) + +/* Hardware cursor memory base address register */ +#define REG_LCM_HC_BADDR (0x78) + +/* Hardware cursor color ram register mapped to bpp = 0 */ +#define REG_LCM_HC_COLOR0 (0x7C) + +/* Hardware cursor color ram register mapped to bpp = 1 */ +#define REG_LCM_HC_COLOR1 (0x80) + +/* Hardware cursor color ram register mapped to bpp = 2 */ +#define REG_LCM_HC_COLOR2 (0x84) + +/* Hardware cursor color ram register mapped to bpp = 3 */ +#define REG_LCM_HC_COLOR3 (0x88) + +#endif /* __ASM_ARM_W90X900_REGS_LDM_H */ diff --git a/arch/arm/mach-w90x900/include/mach/regs-serial.h b/arch/arm/mach-w90x900/include/mach/regs-serial.h new file mode 100644 index 00000000..f08fa0d7 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-serial.h @@ -0,0 +1,59 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-serial.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/regs-serial.h + * + * 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. + * + */ + +#ifndef __ASM_ARM_REGS_SERIAL_H +#define __ASM_ARM_REGS_SERIAL_H + +#define UART0_BA W90X900_VA_UART +#define UART1_BA (W90X900_VA_UART+0x100) +#define UART2_BA (W90X900_VA_UART+0x200) +#define UART3_BA (W90X900_VA_UART+0x300) +#define UART4_BA (W90X900_VA_UART+0x400) + +#define UART0_PA W90X900_PA_UART +#define UART1_PA (W90X900_PA_UART+0x100) +#define UART2_PA (W90X900_PA_UART+0x200) +#define UART3_PA (W90X900_PA_UART+0x300) +#define UART4_PA (W90X900_PA_UART+0x400) + +#ifndef __ASSEMBLY__ + +struct w90x900_uart_clksrc { + const char *name; + unsigned int divisor; + unsigned int min_baud; + unsigned int max_baud; +}; + +struct w90x900_uartcfg { + unsigned char hwport; + unsigned char unused; + unsigned short flags; + unsigned long uart_flags; + + unsigned long ucon; + unsigned long ulcon; + unsigned long ufcon; + + struct w90x900_uart_clksrc *clocks; + unsigned int clocks_size; +}; + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_ARM_REGS_SERIAL_H */ + diff --git a/arch/arm/mach-w90x900/include/mach/regs-timer.h b/arch/arm/mach-w90x900/include/mach/regs-timer.h new file mode 100644 index 00000000..8f390620 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-timer.h @@ -0,0 +1,42 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-timer.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/regs-timer.h + * + * 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. + * + */ + +#ifndef __ASM_ARCH_REGS_TIMER_H +#define __ASM_ARCH_REGS_TIMER_H + +/* Timer Registers */ + +#define TMR_BA W90X900_VA_TIMER +#define REG_TCSR0 (TMR_BA+0x00) +#define REG_TCSR1 (TMR_BA+0x04) +#define REG_TICR0 (TMR_BA+0x08) +#define REG_TICR1 (TMR_BA+0x0C) +#define REG_TDR0 (TMR_BA+0x10) +#define REG_TDR1 (TMR_BA+0x14) +#define REG_TISR (TMR_BA+0x18) +#define REG_WTCR (TMR_BA+0x1C) +#define REG_TCSR2 (TMR_BA+0x20) +#define REG_TCSR3 (TMR_BA+0x24) +#define REG_TICR2 (TMR_BA+0x28) +#define REG_TICR3 (TMR_BA+0x2C) +#define REG_TDR2 (TMR_BA+0x30) +#define REG_TDR3 (TMR_BA+0x34) +#define REG_TCSR4 (TMR_BA+0x40) +#define REG_TICR4 (TMR_BA+0x48) +#define REG_TDR4 (TMR_BA+0x50) + +#endif /* __ASM_ARCH_REGS_TIMER_H */ diff --git a/arch/arm/mach-w90x900/include/mach/regs-usb.h b/arch/arm/mach-w90x900/include/mach/regs-usb.h new file mode 100644 index 00000000..ab74b0c2 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/regs-usb.h @@ -0,0 +1,35 @@ +/* + * arch/arm/mach-w90x900/include/mach/regs-usb.h + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_REGS_USB_H +#define __ASM_ARCH_REGS_USB_H + +/* usb Control Registers */ +#define USBH_BA W90X900_VA_USBEHCIHOST +#define USBD_BA W90X900_VA_USBDEV +#define USBO_BA W90X900_VA_USBOHCIHOST + +/* USB Host Control Registers */ +#define REG_UPSCR0 (USBH_BA+0x064) +#define REG_UPSCR1 (USBH_BA+0x068) +#define REG_USBPCR0 (USBH_BA+0x0C4) +#define REG_USBPCR1 (USBH_BA+0x0C8) + +/* USBH OHCI Control Registers */ +#define REG_OpModEn (USBO_BA+0x204) +/*This bit controls the polarity of over +*current flag from external power IC. +*/ +#define OCALow 0x08 + +#endif /* __ASM_ARCH_REGS_USB_H */ diff --git a/arch/arm/mach-w90x900/include/mach/system.h b/arch/arm/mach-w90x900/include/mach/system.h new file mode 100644 index 00000000..ce228bdc --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/system.h @@ -0,0 +1,41 @@ +/* + * arch/arm/mach-w90x900/include/mach/system.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/system.h + * + * 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. + * + */ + +#include <linux/io.h> +#include <asm/proc-fns.h> +#include <mach/map.h> +#include <mach/regs-timer.h> + +#define WTCR (TMR_BA + 0x1C) +#define WTCLK (1 << 10) +#define WTE (1 << 7) +#define WTRE (1 << 1) + +static void arch_idle(void) +{ +} + +static void arch_reset(char mode, const char *cmd) +{ + if (mode == 's') { + /* Jump into ROM at address 0 */ + cpu_reset(0); + } else { + __raw_writel(WTE | WTRE | WTCLK, WTCR); + } +} + diff --git a/arch/arm/mach-w90x900/include/mach/timex.h b/arch/arm/mach-w90x900/include/mach/timex.h new file mode 100644 index 00000000..164dce0b --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/timex.h @@ -0,0 +1,25 @@ +/* + * arch/arm/mach-w90x900/include/mach/timex.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/timex.h + * + * 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. + * + */ + +#ifndef __ASM_ARCH_TIMEX_H +#define __ASM_ARCH_TIMEX_H + +/* CLOCK_TICK_RATE Now, I don't use it. */ + +#define CLOCK_TICK_RATE 15000000 + +#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-w90x900/include/mach/uncompress.h b/arch/arm/mach-w90x900/include/mach/uncompress.h new file mode 100644 index 00000000..03130212 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/uncompress.h @@ -0,0 +1,50 @@ +/* + * arch/arm/mach-w90x900/include/mach/uncompress.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/uncompress.h + * + * 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. + * + */ + +#ifndef __ASM_ARCH_UNCOMPRESS_H +#define __ASM_ARCH_UNCOMPRESS_H + +/* Defines for UART registers */ + +#include <mach/regs-serial.h> +#include <mach/map.h> +#include <linux/serial_reg.h> + +#define arch_decomp_wdog() + +#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) +static volatile u32 * const uart_base = (u32 *)UART0_PA; + +static void putc(int ch) +{ + /* Check THRE and TEMT bits before we transmit the character. + */ + while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) + barrier(); + + *uart_base = ch; +} + +static inline void flush(void) +{ +} + +static void arch_decomp_setup(void) +{ +} + +#endif/* __ASM_W90X900_UNCOMPRESS_H */ diff --git a/arch/arm/mach-w90x900/include/mach/vmalloc.h b/arch/arm/mach-w90x900/include/mach/vmalloc.h new file mode 100644 index 00000000..b067e445 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/vmalloc.h @@ -0,0 +1,23 @@ +/* + * arch/arm/mach-w90x900/include/mach/vmalloc.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/vmalloc.h + * + * 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. + * + */ + +#ifndef __ASM_ARCH_VMALLOC_H +#define __ASM_ARCH_VMALLOC_H + +#define VMALLOC_END (0xe0000000UL) + +#endif /* __ASM_ARCH_VMALLOC_H */ diff --git a/arch/arm/mach-w90x900/include/mach/w90p910_keypad.h b/arch/arm/mach-w90x900/include/mach/w90p910_keypad.h new file mode 100644 index 00000000..556778e8 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/w90p910_keypad.h @@ -0,0 +1,15 @@ +#ifndef __ASM_ARCH_W90P910_KEYPAD_H +#define __ASM_ARCH_W90P910_KEYPAD_H + +#include <linux/input/matrix_keypad.h> + +extern void mfp_set_groupi(struct device *dev); + +struct w90p910_keypad_platform_data { + const struct matrix_keymap_data *keymap_data; + + unsigned int prescale; + unsigned int debounce; +}; + +#endif /* __ASM_ARCH_W90P910_KEYPAD_H */ diff --git a/arch/arm/mach-w90x900/irq.c b/arch/arm/mach-w90x900/irq.c new file mode 100644 index 00000000..7bf143c4 --- /dev/null +++ b/arch/arm/mach-w90x900/irq.c @@ -0,0 +1,214 @@ +/* + * linux/arch/arm/mach-w90x900/irq.c + * + * based on linux/arch/arm/plat-s3c24xx/irq.c by Ben Dooks + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/ptrace.h> +#include <linux/sysdev.h> +#include <linux/io.h> + +#include <asm/irq.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/regs-irq.h> + +struct group_irq { + unsigned long gpen; + unsigned int enabled; + void (*enable)(struct group_irq *, int enable); +}; + +static DEFINE_SPINLOCK(groupirq_lock); + +#define DEFINE_GROUP(_name, _ctrlbit, _num) \ +struct group_irq group_##_name = { \ + .enable = nuc900_group_enable, \ + .gpen = ((1 << _num) - 1) << _ctrlbit, \ + } + +static void nuc900_group_enable(struct group_irq *gpirq, int enable); + +static DEFINE_GROUP(nirq0, 0, 4); +static DEFINE_GROUP(nirq1, 4, 4); +static DEFINE_GROUP(usbh, 8, 2); +static DEFINE_GROUP(ottimer, 16, 3); +static DEFINE_GROUP(gdma, 20, 2); +static DEFINE_GROUP(sc, 24, 2); +static DEFINE_GROUP(i2c, 26, 2); +static DEFINE_GROUP(ps2, 28, 2); + +static int group_irq_enable(struct group_irq *group_irq) +{ + unsigned long flags; + + spin_lock_irqsave(&groupirq_lock, flags); + if (group_irq->enabled++ == 0) + (group_irq->enable)(group_irq, 1); + spin_unlock_irqrestore(&groupirq_lock, flags); + + return 0; +} + +static void group_irq_disable(struct group_irq *group_irq) +{ + unsigned long flags; + + WARN_ON(group_irq->enabled == 0); + + spin_lock_irqsave(&groupirq_lock, flags); + if (--group_irq->enabled == 0) + (group_irq->enable)(group_irq, 0); + spin_unlock_irqrestore(&groupirq_lock, flags); +} + +static void nuc900_group_enable(struct group_irq *gpirq, int enable) +{ + unsigned int groupen = gpirq->gpen; + unsigned long regval; + + regval = __raw_readl(REG_AIC_GEN); + + if (enable) + regval |= groupen; + else + regval &= ~groupen; + + __raw_writel(regval, REG_AIC_GEN); +} + +static void nuc900_irq_mask(struct irq_data *d) +{ + struct group_irq *group_irq; + + group_irq = NULL; + + __raw_writel(1 << d->irq, REG_AIC_MDCR); + + switch (d->irq) { + case IRQ_GROUP0: + group_irq = &group_nirq0; + break; + + case IRQ_GROUP1: + group_irq = &group_nirq1; + break; + + case IRQ_USBH: + group_irq = &group_usbh; + break; + + case IRQ_T_INT_GROUP: + group_irq = &group_ottimer; + break; + + case IRQ_GDMAGROUP: + group_irq = &group_gdma; + break; + + case IRQ_SCGROUP: + group_irq = &group_sc; + break; + + case IRQ_I2CGROUP: + group_irq = &group_i2c; + break; + + case IRQ_P2SGROUP: + group_irq = &group_ps2; + break; + } + + if (group_irq) + group_irq_disable(group_irq); +} + +/* + * By the w90p910 spec,any irq,only write 1 + * to REG_AIC_EOSCR for ACK + */ + +static void nuc900_irq_ack(struct irq_data *d) +{ + __raw_writel(0x01, REG_AIC_EOSCR); +} + +static void nuc900_irq_unmask(struct irq_data *d) +{ + struct group_irq *group_irq; + + group_irq = NULL; + + __raw_writel(1 << d->irq, REG_AIC_MECR); + + switch (d->irq) { + case IRQ_GROUP0: + group_irq = &group_nirq0; + break; + + case IRQ_GROUP1: + group_irq = &group_nirq1; + break; + + case IRQ_USBH: + group_irq = &group_usbh; + break; + + case IRQ_T_INT_GROUP: + group_irq = &group_ottimer; + break; + + case IRQ_GDMAGROUP: + group_irq = &group_gdma; + break; + + case IRQ_SCGROUP: + group_irq = &group_sc; + break; + + case IRQ_I2CGROUP: + group_irq = &group_i2c; + break; + + case IRQ_P2SGROUP: + group_irq = &group_ps2; + break; + } + + if (group_irq) + group_irq_enable(group_irq); +} + +static struct irq_chip nuc900_irq_chip = { + .irq_ack = nuc900_irq_ack, + .irq_mask = nuc900_irq_mask, + .irq_unmask = nuc900_irq_unmask, +}; + +void __init nuc900_init_irq(void) +{ + int irqno; + + __raw_writel(0xFFFFFFFE, REG_AIC_MDCR); + + for (irqno = IRQ_WDT; irqno <= IRQ_ADC; irqno++) { + irq_set_chip_and_handler(irqno, &nuc900_irq_chip, + handle_level_irq); + set_irq_flags(irqno, IRQF_VALID); + } +} diff --git a/arch/arm/mach-w90x900/mach-nuc910evb.c b/arch/arm/mach-w90x900/mach-nuc910evb.c new file mode 100644 index 00000000..30fccde9 --- /dev/null +++ b/arch/arm/mach-w90x900/mach-nuc910evb.c @@ -0,0 +1,42 @@ +/* + * linux/arch/arm/mach-w90x900/mach-nuc910evb.c + * + * Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche + * + * Copyright (C) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * + */ + +#include <linux/platform_device.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach-types.h> +#include <mach/map.h> + +#include "nuc910.h" + +static void __init nuc910evb_map_io(void) +{ + nuc910_map_io(); + nuc910_init_clocks(); +} + +static void __init nuc910evb_init(void) +{ + nuc910_board_init(); +} + +MACHINE_START(W90P910EVB, "W90P910EVB") + /* Maintainer: Wan ZongShun */ + .boot_params = 0, + .map_io = nuc910evb_map_io, + .init_irq = nuc900_init_irq, + .init_machine = nuc910evb_init, + .timer = &nuc900_timer, +MACHINE_END diff --git a/arch/arm/mach-w90x900/mach-nuc950evb.c b/arch/arm/mach-w90x900/mach-nuc950evb.c new file mode 100644 index 00000000..590c99b9 --- /dev/null +++ b/arch/arm/mach-w90x900/mach-nuc950evb.c @@ -0,0 +1,45 @@ +/* + * linux/arch/arm/mach-w90x900/mach-nuc950evb.c + * + * Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche + * + * Copyright (C) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * history: + * Wang Qiang (rurality.linux@gmail.com) add LCD support + * + */ + +#include <linux/platform_device.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach-types.h> +#include <mach/map.h> +#include <mach/fb.h> + +#include "nuc950.h" + +static void __init nuc950evb_map_io(void) +{ + nuc950_map_io(); + nuc950_init_clocks(); +} + +static void __init nuc950evb_init(void) +{ + nuc950_board_init(); +} + +MACHINE_START(W90P950EVB, "W90P950EVB") + /* Maintainer: Wan ZongShun */ + .boot_params = 0, + .map_io = nuc950evb_map_io, + .init_irq = nuc900_init_irq, + .init_machine = nuc950evb_init, + .timer = &nuc900_timer, +MACHINE_END diff --git a/arch/arm/mach-w90x900/mach-nuc960evb.c b/arch/arm/mach-w90x900/mach-nuc960evb.c new file mode 100644 index 00000000..e09c645d --- /dev/null +++ b/arch/arm/mach-w90x900/mach-nuc960evb.c @@ -0,0 +1,42 @@ +/* + * linux/arch/arm/mach-w90x900/mach-nuc960evb.c + * + * Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche + * + * Copyright (C) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + * + */ + +#include <linux/platform_device.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach-types.h> +#include <mach/map.h> + +#include "nuc960.h" + +static void __init nuc960evb_map_io(void) +{ + nuc960_map_io(); + nuc960_init_clocks(); +} + +static void __init nuc960evb_init(void) +{ + nuc960_board_init(); +} + +MACHINE_START(W90N960EVB, "W90N960EVB") + /* Maintainer: Wan ZongShun */ + .boot_params = 0, + .map_io = nuc960evb_map_io, + .init_irq = nuc900_init_irq, + .init_machine = nuc960evb_init, + .timer = &nuc900_timer, +MACHINE_END diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c new file mode 100644 index 00000000..fb7fb627 --- /dev/null +++ b/arch/arm/mach-w90x900/mfp.c @@ -0,0 +1,164 @@ +/* + * linux/arch/arm/mach-w90x900/mfp.c + * + * Copyright (c) 2008 Nuvoton technology corporation + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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;version 2 of the License. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/string.h> +#include <linux/clk.h> +#include <linux/mutex.h> +#include <linux/io.h> + +#include <mach/hardware.h> + +#define REG_MFSEL (W90X900_VA_GCR + 0xC) + +#define GPSELF (0x01 << 1) + +#define GPSELC (0x03 << 2) +#define ENKPI (0x02 << 2) +#define ENNAND (0x01 << 2) + +#define GPSELEI0 (0x01 << 26) +#define GPSELEI1 (0x01 << 27) + +#define GPIOG0TO1 (0x03 << 14) +#define GPIOG2TO3 (0x03 << 16) +#define GPIOG22TO23 (0x03 << 22) + +#define ENSPI (0x0a << 14) +#define ENI2C0 (0x01 << 14) +#define ENI2C1 (0x01 << 16) +#define ENAC97 (0x02 << 22) + +static DEFINE_MUTEX(mfp_mutex); + +void mfp_set_groupf(struct device *dev) +{ + unsigned long mfpen; + const char *dev_id; + + BUG_ON(!dev); + + mutex_lock(&mfp_mutex); + + dev_id = dev_name(dev); + + mfpen = __raw_readl(REG_MFSEL); + + if (strcmp(dev_id, "nuc900-emc") == 0) + mfpen |= GPSELF;/*enable mac*/ + else + mfpen &= ~GPSELF;/*GPIOF[9:0]*/ + + __raw_writel(mfpen, REG_MFSEL); + + mutex_unlock(&mfp_mutex); +} +EXPORT_SYMBOL(mfp_set_groupf); + +void mfp_set_groupc(struct device *dev) +{ + unsigned long mfpen; + const char *dev_id; + + BUG_ON(!dev); + + mutex_lock(&mfp_mutex); + + dev_id = dev_name(dev); + + mfpen = __raw_readl(REG_MFSEL); + + if (strcmp(dev_id, "nuc900-lcd") == 0) + mfpen |= GPSELC;/*enable lcd*/ + else if (strcmp(dev_id, "nuc900-kpi") == 0) { + mfpen &= (~GPSELC);/*enable kpi*/ + mfpen |= ENKPI; + } else if (strcmp(dev_id, "nuc900-nand") == 0) { + mfpen &= (~GPSELC);/*enable nand*/ + mfpen |= ENNAND; + } else + mfpen &= (~GPSELC);/*GPIOC[14:0]*/ + + __raw_writel(mfpen, REG_MFSEL); + + mutex_unlock(&mfp_mutex); +} +EXPORT_SYMBOL(mfp_set_groupc); + +void mfp_set_groupi(struct device *dev) +{ + unsigned long mfpen; + const char *dev_id; + + BUG_ON(!dev); + + mutex_lock(&mfp_mutex); + + dev_id = dev_name(dev); + + mfpen = __raw_readl(REG_MFSEL); + + mfpen &= ~GPSELEI1;/*default gpio16*/ + + if (strcmp(dev_id, "nuc900-wdog") == 0) + mfpen |= GPSELEI1;/*enable wdog*/ + else if (strcmp(dev_id, "nuc900-atapi") == 0) + mfpen |= GPSELEI0;/*enable atapi*/ + else if (strcmp(dev_id, "nuc900-keypad") == 0) + mfpen &= ~GPSELEI0;/*enable keypad*/ + + __raw_writel(mfpen, REG_MFSEL); + + mutex_unlock(&mfp_mutex); +} +EXPORT_SYMBOL(mfp_set_groupi); + +void mfp_set_groupg(struct device *dev) +{ + unsigned long mfpen; + const char *dev_id; + + BUG_ON(!dev); + + mutex_lock(&mfp_mutex); + + dev_id = dev_name(dev); + + mfpen = __raw_readl(REG_MFSEL); + + if (strcmp(dev_id, "nuc900-spi") == 0) { + mfpen &= ~(GPIOG0TO1 | GPIOG2TO3); + mfpen |= ENSPI;/*enable spi*/ + } else if (strcmp(dev_id, "nuc900-i2c0") == 0) { + mfpen &= ~(GPIOG0TO1); + mfpen |= ENI2C0;/*enable i2c0*/ + } else if (strcmp(dev_id, "nuc900-i2c1") == 0) { + mfpen &= ~(GPIOG2TO3); + mfpen |= ENI2C1;/*enable i2c1*/ + } else if (strcmp(dev_id, "nuc900-audio") == 0) { + mfpen &= ~(GPIOG22TO23); + mfpen |= ENAC97;/*enable AC97*/ + } else { + mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/ + } + + __raw_writel(mfpen, REG_MFSEL); + + mutex_unlock(&mfp_mutex); +} +EXPORT_SYMBOL(mfp_set_groupg); + diff --git a/arch/arm/mach-w90x900/nuc910.c b/arch/arm/mach-w90x900/nuc910.c new file mode 100644 index 00000000..1523f413 --- /dev/null +++ b/arch/arm/mach-w90x900/nuc910.c @@ -0,0 +1,62 @@ +/* + * linux/arch/arm/mach-w90x900/nuc910.c + * + * Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks + * + * Copyright (c) 2009 Nuvoton corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * NUC910 cpu support + * + * 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;version 2 of the License. + * + */ + +#include <linux/platform_device.h> +#include <asm/mach/map.h> +#include <mach/hardware.h> +#include "cpu.h" +#include "clock.h" + +/* define specific CPU platform device */ + +static struct platform_device *nuc910_dev[] __initdata = { + &nuc900_device_ts, + &nuc900_device_rtc, + &nuc900_device_lcd, + &nuc900_device_kpi, +}; + +/* define specific CPU platform io map */ + +static struct map_desc nuc910evb_iodesc[] __initdata = { + IODESC_ENT(USBEHCIHOST), + IODESC_ENT(USBOHCIHOST), + IODESC_ENT(KPI), + IODESC_ENT(USBDEV), + IODESC_ENT(ADC), +}; + +/*Init NUC910 evb io*/ + +void __init nuc910_map_io(void) +{ + nuc900_map_io(nuc910evb_iodesc, ARRAY_SIZE(nuc910evb_iodesc)); +} + +/*Init NUC910 clock*/ + +void __init nuc910_init_clocks(void) +{ + nuc900_init_clocks(); +} + +/*Init NUC910 board info*/ + +void __init nuc910_board_init(void) +{ + nuc900_board_init(nuc910_dev, ARRAY_SIZE(nuc910_dev)); +} diff --git a/arch/arm/mach-w90x900/nuc910.h b/arch/arm/mach-w90x900/nuc910.h new file mode 100644 index 00000000..83e9ba5f --- /dev/null +++ b/arch/arm/mach-w90x900/nuc910.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-w90x900/nuc910.h + * + * Copyright (c) 2008 Nuvoton corporation + * + * Header file for NUC900 CPU support + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + * + */ + +struct map_desc; +struct sys_timer; + +/* core initialisation functions */ + +extern void nuc900_init_irq(void); +extern struct sys_timer nuc900_timer; + +/* extern file from nuc910.c */ + +extern void nuc910_board_init(void); +extern void nuc910_init_clocks(void); +extern void nuc910_map_io(void); diff --git a/arch/arm/mach-w90x900/nuc950.c b/arch/arm/mach-w90x900/nuc950.c new file mode 100644 index 00000000..5704f74a --- /dev/null +++ b/arch/arm/mach-w90x900/nuc950.c @@ -0,0 +1,56 @@ +/* + * linux/arch/arm/mach-w90x900/nuc950.c + * + * Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * NUC950 cpu support + * + * 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;version 2 of the License. + * + */ + +#include <linux/platform_device.h> +#include <asm/mach/map.h> +#include <mach/hardware.h> + +#include "cpu.h" + +/* define specific CPU platform device */ + +static struct platform_device *nuc950_dev[] __initdata = { + &nuc900_device_kpi, + &nuc900_device_fmi, + &nuc900_device_lcd, +}; + +/* define specific CPU platform io map */ + +static struct map_desc nuc950evb_iodesc[] __initdata = { +}; + +/*Init NUC950 evb io*/ + +void __init nuc950_map_io(void) +{ + nuc900_map_io(nuc950evb_iodesc, ARRAY_SIZE(nuc950evb_iodesc)); +} + +/*Init NUC950 clock*/ + +void __init nuc950_init_clocks(void) +{ + nuc900_init_clocks(); +} + +/*Init NUC950 board info*/ + +void __init nuc950_board_init(void) +{ + nuc900_board_init(nuc950_dev, ARRAY_SIZE(nuc950_dev)); +} diff --git a/arch/arm/mach-w90x900/nuc950.h b/arch/arm/mach-w90x900/nuc950.h new file mode 100644 index 00000000..98a1148b --- /dev/null +++ b/arch/arm/mach-w90x900/nuc950.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-w90x900/nuc950.h + * + * Copyright (c) 2008 Nuvoton corporation + * + * Header file for NUC900 CPU support + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + * + */ + +struct map_desc; +struct sys_timer; + +/* core initialisation functions */ + +extern void nuc900_init_irq(void); +extern struct sys_timer nuc900_timer; + +/* extern file from nuc950.c */ + +extern void nuc950_board_init(void); +extern void nuc950_init_clocks(void); +extern void nuc950_map_io(void); diff --git a/arch/arm/mach-w90x900/nuc960.c b/arch/arm/mach-w90x900/nuc960.c new file mode 100644 index 00000000..8851a3a2 --- /dev/null +++ b/arch/arm/mach-w90x900/nuc960.c @@ -0,0 +1,54 @@ +/* + * linux/arch/arm/mach-w90x900/nuc960.c + * + * Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * NUC960 cpu support + * + * 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;version 2 of the License. + * + */ + +#include <linux/platform_device.h> +#include <asm/mach/map.h> +#include <mach/hardware.h> +#include "cpu.h" + +/* define specific CPU platform device */ + +static struct platform_device *nuc960_dev[] __initdata = { + &nuc900_device_kpi, + &nuc900_device_fmi, +}; + +/* define specific CPU platform io map */ + +static struct map_desc nuc960evb_iodesc[] __initdata = { +}; + +/*Init NUC960 evb io*/ + +void __init nuc960_map_io(void) +{ + nuc900_map_io(nuc960evb_iodesc, ARRAY_SIZE(nuc960evb_iodesc)); +} + +/*Init NUC960 clock*/ + +void __init nuc960_init_clocks(void) +{ + nuc900_init_clocks(); +} + +/*Init NUC960 board info*/ + +void __init nuc960_board_init(void) +{ + nuc900_board_init(nuc960_dev, ARRAY_SIZE(nuc960_dev)); +} diff --git a/arch/arm/mach-w90x900/nuc960.h b/arch/arm/mach-w90x900/nuc960.h new file mode 100644 index 00000000..f0c07cbe --- /dev/null +++ b/arch/arm/mach-w90x900/nuc960.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-w90x900/nuc960.h + * + * Copyright (c) 2008 Nuvoton corporation + * + * Header file for NUC900 CPU support + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + * + */ + +struct map_desc; +struct sys_timer; + +/* core initialisation functions */ + +extern void nuc900_init_irq(void); +extern struct sys_timer nuc900_timer; + +/* extern file from nuc960.c */ + +extern void nuc960_board_init(void); +extern void nuc960_init_clocks(void); +extern void nuc960_map_io(void); diff --git a/arch/arm/mach-w90x900/time.c b/arch/arm/mach-w90x900/time.c new file mode 100644 index 00000000..a2c4e2d0 --- /dev/null +++ b/arch/arm/mach-w90x900/time.c @@ -0,0 +1,176 @@ +/* + * linux/arch/arm/mach-w90x900/time.c + * + * Based on linux/arch/arm/plat-s3c24xx/time.c by Ben Dooks + * + * Copyright (c) 2009 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * 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. + * + */ + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/leds.h> +#include <linux/clocksource.h> +#include <linux/clockchips.h> + +#include <asm/mach-types.h> +#include <asm/mach/irq.h> +#include <asm/mach/time.h> + +#include <mach/map.h> +#include <mach/regs-timer.h> + +#define RESETINT 0x1f +#define PERIOD (0x01 << 27) +#define ONESHOT (0x00 << 27) +#define COUNTEN (0x01 << 30) +#define INTEN (0x01 << 29) + +#define TICKS_PER_SEC 100 +#define PRESCALE 0x63 /* Divider = prescale + 1 */ + +#define TDR_SHIFT 24 + +static unsigned int timer0_load; + +static void nuc900_clockevent_setmode(enum clock_event_mode mode, + struct clock_event_device *clk) +{ + unsigned int val; + + val = __raw_readl(REG_TCSR0); + val &= ~(0x03 << 27); + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + __raw_writel(timer0_load, REG_TICR0); + val |= (PERIOD | COUNTEN | INTEN | PRESCALE); + break; + + case CLOCK_EVT_MODE_ONESHOT: + val |= (ONESHOT | COUNTEN | INTEN | PRESCALE); + break; + + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_RESUME: + break; + } + + __raw_writel(val, REG_TCSR0); +} + +static int nuc900_clockevent_setnextevent(unsigned long evt, + struct clock_event_device *clk) +{ + unsigned int val; + + __raw_writel(evt, REG_TICR0); + + val = __raw_readl(REG_TCSR0); + val |= (COUNTEN | INTEN | PRESCALE); + __raw_writel(val, REG_TCSR0); + + return 0; +} + +static struct clock_event_device nuc900_clockevent_device = { + .name = "nuc900-timer0", + .shift = 32, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .set_mode = nuc900_clockevent_setmode, + .set_next_event = nuc900_clockevent_setnextevent, + .rating = 300, +}; + +/*IRQ handler for the timer*/ + +static irqreturn_t nuc900_timer0_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *evt = &nuc900_clockevent_device; + + __raw_writel(0x01, REG_TISR); /* clear TIF0 */ + + evt->event_handler(evt); + return IRQ_HANDLED; +} + +static struct irqaction nuc900_timer0_irq = { + .name = "nuc900-timer0", + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = nuc900_timer0_interrupt, +}; + +static void __init nuc900_clockevents_init(void) +{ + unsigned int rate; + struct clk *clk = clk_get(NULL, "timer0"); + + BUG_ON(IS_ERR(clk)); + + __raw_writel(0x00, REG_TCSR0); + + clk_enable(clk); + rate = clk_get_rate(clk) / (PRESCALE + 1); + + timer0_load = (rate / TICKS_PER_SEC); + + __raw_writel(RESETINT, REG_TISR); + setup_irq(IRQ_TIMER0, &nuc900_timer0_irq); + + nuc900_clockevent_device.mult = div_sc(rate, NSEC_PER_SEC, + nuc900_clockevent_device.shift); + nuc900_clockevent_device.max_delta_ns = clockevent_delta2ns(0xffffffff, + &nuc900_clockevent_device); + nuc900_clockevent_device.min_delta_ns = clockevent_delta2ns(0xf, + &nuc900_clockevent_device); + nuc900_clockevent_device.cpumask = cpumask_of(0); + + clockevents_register_device(&nuc900_clockevent_device); +} + +static void __init nuc900_clocksource_init(void) +{ + unsigned int val; + unsigned int rate; + struct clk *clk = clk_get(NULL, "timer1"); + + BUG_ON(IS_ERR(clk)); + + __raw_writel(0x00, REG_TCSR1); + + clk_enable(clk); + rate = clk_get_rate(clk) / (PRESCALE + 1); + + __raw_writel(0xffffffff, REG_TICR1); + + val = __raw_readl(REG_TCSR1); + val |= (COUNTEN | PERIOD | PRESCALE); + __raw_writel(val, REG_TCSR1); + + clocksource_mmio_init(REG_TDR1, "nuc900-timer1", rate, 200, + TDR_SHIFT, clocksource_mmio_readl_down); +} + +static void __init nuc900_timer_init(void) +{ + nuc900_clocksource_init(); + nuc900_clockevents_init(); +} + +struct sys_timer nuc900_timer = { + .init = nuc900_timer_init, +}; |