diff options
Diffstat (limited to 'target/linux/ath25/patches-3.18/010-board.patch')
| -rw-r--r-- | target/linux/ath25/patches-3.18/010-board.patch | 2189 |
1 files changed, 0 insertions, 2189 deletions
diff --git a/target/linux/ath25/patches-3.18/010-board.patch b/target/linux/ath25/patches-3.18/010-board.patch deleted file mode 100644 index 03332b6e30..0000000000 --- a/target/linux/ath25/patches-3.18/010-board.patch +++ /dev/null @@ -1,2189 +0,0 @@ ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -96,6 +96,19 @@ config AR7 - Support for the Texas Instruments AR7 System-on-a-Chip - family: TNETD7100, 7200 and 7300. - -+config ATH25 -+ bool "Atheros AR231x/AR531x SoC support" -+ select CEVT_R4K -+ select CSRC_R4K -+ select DMA_NONCOHERENT -+ select IRQ_CPU -+ select IRQ_DOMAIN -+ select SYS_HAS_CPU_MIPS32_R1 -+ select SYS_SUPPORTS_BIG_ENDIAN -+ select SYS_SUPPORTS_32BIT_KERNEL -+ help -+ Support for Atheros AR231x and Atheros AR531x based boards -+ - config ATH79 - bool "Atheros AR71XX/AR724X/AR913X based boards" - select ARCH_REQUIRE_GPIOLIB -@@ -835,6 +848,7 @@ config MIPS_PARAVIRT - endchoice - - source "arch/mips/alchemy/Kconfig" -+source "arch/mips/ath25/Kconfig" - source "arch/mips/ath79/Kconfig" - source "arch/mips/bcm47xx/Kconfig" - source "arch/mips/bcm63xx/Kconfig" ---- a/arch/mips/Kbuild.platforms -+++ b/arch/mips/Kbuild.platforms -@@ -2,6 +2,7 @@ - - platforms += alchemy - platforms += ar7 -+platforms += ath25 - platforms += ath79 - platforms += bcm47xx - platforms += bcm63xx ---- /dev/null -+++ b/arch/mips/ath25/Platform -@@ -0,0 +1,6 @@ -+# -+# Atheros AR531X/AR231X WiSoC -+# -+platform-$(CONFIG_ATH25) += ath25/ -+cflags-$(CONFIG_ATH25) += -I$(srctree)/arch/mips/include/asm/mach-ath25 -+load-$(CONFIG_ATH25) += 0xffffffff80041000 ---- /dev/null -+++ b/arch/mips/ath25/Kconfig -@@ -0,0 +1,9 @@ -+config SOC_AR5312 -+ bool "Atheros AR5312/AR2312+ SoC support" -+ depends on ATH25 -+ default y -+ -+config SOC_AR2315 -+ bool "Atheros AR2315+ SoC support" -+ depends on ATH25 -+ default y ---- /dev/null -+++ b/arch/mips/ath25/Makefile -@@ -0,0 +1,13 @@ -+# -+# This file is subject to the terms and conditions of the GNU General Public -+# License. See the file "COPYING" in the main directory of this archive -+# for more details. -+# -+# Copyright (C) 2006 FON Technology, SL. -+# Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> -+# Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org> -+# -+ -+obj-y += board.o prom.o devices.o -+obj-$(CONFIG_SOC_AR5312) += ar5312.o -+obj-$(CONFIG_SOC_AR2315) += ar2315.o ---- /dev/null -+++ b/arch/mips/ath25/board.c -@@ -0,0 +1,234 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved. -+ * Copyright (C) 2006 FON Technology, SL. -+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> -+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org> -+ */ -+ -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <asm/irq_cpu.h> -+#include <asm/reboot.h> -+#include <asm/bootinfo.h> -+#include <asm/time.h> -+ -+#include <ath25_platform.h> -+#include "devices.h" -+#include "ar5312.h" -+#include "ar2315.h" -+ -+void (*ath25_irq_dispatch)(void); -+ -+static inline bool check_radio_magic(const void __iomem *addr) -+{ -+ addr += 0x7a; /* offset for flash magic */ -+ return (__raw_readb(addr) == 0x5a) && (__raw_readb(addr + 1) == 0xa5); -+} -+ -+static inline bool check_notempty(const void __iomem *addr) -+{ -+ return __raw_readl(addr) != 0xffffffff; -+} -+ -+static inline bool check_board_data(const void __iomem *addr, bool broken) -+{ -+ /* config magic found */ -+ if (__raw_readl(addr) == ATH25_BD_MAGIC) -+ return true; -+ -+ if (!broken) -+ return false; -+ -+ /* broken board data detected, use radio data to find the -+ * offset, user will fix this */ -+ -+ if (check_radio_magic(addr + 0x1000)) -+ return true; -+ if (check_radio_magic(addr + 0xf8)) -+ return true; -+ -+ return false; -+} -+ -+static const void __iomem * __init find_board_config(const void __iomem *limit, -+ const bool broken) -+{ -+ const void __iomem *addr; -+ const void __iomem *begin = limit - 0x1000; -+ const void __iomem *end = limit - 0x30000; -+ -+ for (addr = begin; addr >= end; addr -= 0x1000) -+ if (check_board_data(addr, broken)) -+ return addr; -+ -+ return NULL; -+} -+ -+static const void __iomem * __init find_radio_config(const void __iomem *limit, -+ const void __iomem *bcfg) -+{ -+ const void __iomem *rcfg, *begin, *end; -+ -+ /* -+ * Now find the start of Radio Configuration data, using heuristics: -+ * Search forward from Board Configuration data by 0x1000 bytes -+ * at a time until we find non-0xffffffff. -+ */ -+ begin = bcfg + 0x1000; -+ end = limit; -+ for (rcfg = begin; rcfg < end; rcfg += 0x1000) -+ if (check_notempty(rcfg) && check_radio_magic(rcfg)) -+ return rcfg; -+ -+ /* AR2316 relocates radio config to new location */ -+ begin = bcfg + 0xf8; -+ end = limit - 0x1000 + 0xf8; -+ for (rcfg = begin; rcfg < end; rcfg += 0x1000) -+ if (check_notempty(rcfg) && check_radio_magic(rcfg)) -+ return rcfg; -+ -+ return NULL; -+} -+ -+/* -+ * NB: Search region size could be larger than the actual flash size, -+ * but this shouldn't be a problem here, because the flash -+ * will simply be mapped multiple times. -+ */ -+int __init ath25_find_config(phys_addr_t base, unsigned long size) -+{ -+ const void __iomem *flash_base, *flash_limit; -+ struct ath25_boarddata *config; -+ unsigned int rcfg_size; -+ int broken_boarddata = 0; -+ const void __iomem *bcfg, *rcfg; -+ u8 *board_data; -+ u8 *radio_data; -+ u8 *mac_addr; -+ u32 offset; -+ -+ flash_base = ioremap_nocache(base, size); -+ flash_limit = flash_base + size; -+ -+ ath25_board.config = NULL; -+ ath25_board.radio = NULL; -+ -+ /* Copy the board and radio data to RAM, because accessing the mapped -+ * memory of the flash directly after booting is not safe */ -+ -+ /* Try to find valid board and radio data */ -+ bcfg = find_board_config(flash_limit, false); -+ -+ /* If that fails, try to at least find valid radio data */ -+ if (!bcfg) { -+ bcfg = find_board_config(flash_limit, true); -+ broken_boarddata = 1; -+ } -+ -+ if (!bcfg) { -+ pr_warn("WARNING: No board configuration data found!\n"); -+ goto error; -+ } -+ -+ board_data = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL); -+ ath25_board.config = (struct ath25_boarddata *)board_data; -+ memcpy_fromio(board_data, bcfg, 0x100); -+ if (broken_boarddata) { -+ pr_warn("WARNING: broken board data detected\n"); -+ config = ath25_board.config; -+ if (is_zero_ether_addr(config->enet0_mac)) { -+ pr_info("Fixing up empty mac addresses\n"); -+ config->reset_config_gpio = 0xffff; -+ config->sys_led_gpio = 0xffff; -+ random_ether_addr(config->wlan0_mac); -+ config->wlan0_mac[0] &= ~0x06; -+ random_ether_addr(config->enet0_mac); -+ random_ether_addr(config->enet1_mac); -+ } -+ } -+ -+ /* Radio config starts 0x100 bytes after board config, regardless -+ * of what the physical layout on the flash chip looks like */ -+ -+ rcfg = find_radio_config(flash_limit, bcfg); -+ if (!rcfg) { -+ pr_warn("WARNING: Could not find Radio Configuration data\n"); -+ goto error; -+ } -+ -+ radio_data = board_data + 0x100 + ((rcfg - bcfg) & 0xfff); -+ ath25_board.radio = radio_data; -+ offset = radio_data - board_data; -+ pr_info("Radio config found at offset 0x%x (0x%x)\n", rcfg - bcfg, -+ offset); -+ rcfg_size = BOARD_CONFIG_BUFSZ - offset; -+ memcpy_fromio(radio_data, rcfg, rcfg_size); -+ -+ mac_addr = &radio_data[0x1d * 2]; -+ if (is_broadcast_ether_addr(mac_addr)) { -+ pr_info("Radio MAC is blank; using board-data\n"); -+ ether_addr_copy(mac_addr, ath25_board.config->wlan0_mac); -+ } -+ -+ iounmap(flash_base); -+ -+ return 0; -+ -+error: -+ iounmap(flash_base); -+ return -ENODEV; -+} -+ -+static void ath25_halt(void) -+{ -+ local_irq_disable(); -+ unreachable(); -+} -+ -+void __init plat_mem_setup(void) -+{ -+ _machine_halt = ath25_halt; -+ pm_power_off = ath25_halt; -+ -+ if (is_ar5312()) -+ ar5312_plat_mem_setup(); -+ else -+ ar2315_plat_mem_setup(); -+ -+ /* Disable data watchpoints */ -+ write_c0_watchlo0(0); -+} -+ -+asmlinkage void plat_irq_dispatch(void) -+{ -+ ath25_irq_dispatch(); -+} -+ -+void __init plat_time_init(void) -+{ -+ if (is_ar5312()) -+ ar5312_plat_time_init(); -+ else -+ ar2315_plat_time_init(); -+} -+ -+unsigned int __cpuinit get_c0_compare_int(void) -+{ -+ return CP0_LEGACY_COMPARE_IRQ; -+} -+ -+void __init arch_init_irq(void) -+{ -+ clear_c0_status(ST0_IM); -+ mips_cpu_irq_init(); -+ -+ /* Initialize interrupt controllers */ -+ if (is_ar5312()) -+ ar5312_arch_init_irq(); -+ else -+ ar2315_arch_init_irq(); -+} ---- /dev/null -+++ b/arch/mips/ath25/prom.c -@@ -0,0 +1,26 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright MontaVista Software Inc -+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved. -+ * Copyright (C) 2006 FON Technology, SL. -+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> -+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> -+ */ -+ -+/* -+ * Prom setup file for AR5312/AR231x SoCs -+ */ -+ -+#include <linux/init.h> -+#include <asm/bootinfo.h> -+ -+void __init prom_init(void) -+{ -+} -+ -+void __init prom_free_prom_memory(void) -+{ -+} ---- /dev/null -+++ b/arch/mips/include/asm/mach-ath25/ath25_platform.h -@@ -0,0 +1,73 @@ -+#ifndef __ASM_MACH_ATH25_PLATFORM_H -+#define __ASM_MACH_ATH25_PLATFORM_H -+ -+#include <linux/etherdevice.h> -+ -+/* -+ * This is board-specific data that is stored in a "fixed" location in flash. -+ * It is shared across operating systems, so it should not be changed lightly. -+ * The main reason we need it is in order to extract the ethernet MAC -+ * address(es). -+ */ -+struct ath25_boarddata { -+ u32 magic; /* board data is valid */ -+#define ATH25_BD_MAGIC 0x35333131 /* "5311", for all 531x/231x platforms */ -+ u16 cksum; /* checksum (starting with BD_REV 2) */ -+ u16 rev; /* revision of this struct */ -+#define BD_REV 4 -+ char board_name[64]; /* Name of board */ -+ u16 major; /* Board major number */ -+ u16 minor; /* Board minor number */ -+ u32 flags; /* Board configuration */ -+#define BD_ENET0 0x00000001 /* ENET0 is stuffed */ -+#define BD_ENET1 0x00000002 /* ENET1 is stuffed */ -+#define BD_UART1 0x00000004 /* UART1 is stuffed */ -+#define BD_UART0 0x00000008 /* UART0 is stuffed (dma) */ -+#define BD_RSTFACTORY 0x00000010 /* Reset factory defaults stuffed */ -+#define BD_SYSLED 0x00000020 /* System LED stuffed */ -+#define BD_EXTUARTCLK 0x00000040 /* External UART clock */ -+#define BD_CPUFREQ 0x00000080 /* cpu freq is valid in nvram */ -+#define BD_SYSFREQ 0x00000100 /* sys freq is set in nvram */ -+#define BD_WLAN0 0x00000200 /* Enable WLAN0 */ -+#define BD_MEMCAP 0x00000400 /* CAP SDRAM @ mem_cap for testing */ -+#define BD_DISWATCHDOG 0x00000800 /* disable system watchdog */ -+#define BD_WLAN1 0x00001000 /* Enable WLAN1 (ar5212) */ -+#define BD_ISCASPER 0x00002000 /* FLAG for AR2312 */ -+#define BD_WLAN0_2G_EN 0x00004000 /* FLAG for radio0_2G */ -+#define BD_WLAN0_5G_EN 0x00008000 /* FLAG for radio0_2G */ -+#define BD_WLAN1_2G_EN 0x00020000 /* FLAG for radio0_2G */ -+#define BD_WLAN1_5G_EN 0x00040000 /* FLAG for radio0_2G */ -+ u16 reset_config_gpio; /* Reset factory GPIO pin */ -+ u16 sys_led_gpio; /* System LED GPIO pin */ -+ -+ u32 cpu_freq; /* CPU core frequency in Hz */ -+ u32 sys_freq; /* System frequency in Hz */ -+ u32 cnt_freq; /* Calculated C0_COUNT frequency */ -+ -+ u8 wlan0_mac[ETH_ALEN]; -+ u8 enet0_mac[ETH_ALEN]; -+ u8 enet1_mac[ETH_ALEN]; -+ -+ u16 pci_id; /* Pseudo PCIID for common code */ -+ u16 mem_cap; /* cap bank1 in MB */ -+ -+ /* version 3 */ -+ u8 wlan1_mac[ETH_ALEN]; /* (ar5212) */ -+}; -+ -+#define BOARD_CONFIG_BUFSZ 0x1000 -+ -+/* -+ * Platform device information for the Wireless MAC -+ */ -+struct ar231x_board_config { -+ u16 devid; -+ -+ /* board config data */ -+ struct ath25_boarddata *config; -+ -+ /* radio calibration data */ -+ const char *radio; -+}; -+ -+#endif /* __ASM_MACH_ATH25_PLATFORM_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h -@@ -0,0 +1,64 @@ -+/* -+ * Atheros AR231x/AR531x SoC specific CPU feature overrides -+ * -+ * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org> -+ * -+ * This file was derived from: include/asm-mips/cpu-features.h -+ * Copyright (C) 2003, 2004 Ralf Baechle -+ * Copyright (C) 2004 Maciej W. Rozycki -+ * -+ * 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_MACH_ATH25_CPU_FEATURE_OVERRIDES_H -+#define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H -+ -+/* -+ * The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc core. -+ */ -+#define cpu_has_tlb 1 -+#define cpu_has_4kex 1 -+#define cpu_has_3k_cache 0 -+#define cpu_has_4k_cache 1 -+#define cpu_has_tx39_cache 0 -+#define cpu_has_sb1_cache 0 -+#define cpu_has_fpu 0 -+#define cpu_has_32fpr 0 -+#define cpu_has_counter 1 -+#define cpu_has_ejtag 1 -+ -+#if !defined(CONFIG_SOC_AR5312) -+# define cpu_has_llsc 1 -+#else -+/* -+ * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the -+ * ll/sc instructions. -+ */ -+# define cpu_has_llsc 0 -+#endif -+ -+#define cpu_has_mips16 0 -+#define cpu_has_mdmx 0 -+#define cpu_has_mips3d 0 -+#define cpu_has_smartmips 0 -+ -+#define cpu_has_mips32r1 1 -+ -+#if !defined(CONFIG_SOC_AR5312) -+# define cpu_has_mips32r2 1 -+#endif -+ -+#define cpu_has_mips64r1 0 -+#define cpu_has_mips64r2 0 -+ -+#define cpu_has_dsp 0 -+#define cpu_has_mipsmt 0 -+ -+#define cpu_has_64bits 0 -+#define cpu_has_64bit_zero_reg 0 -+#define cpu_has_64bit_gp_regs 0 -+#define cpu_has_64bit_addresses 0 -+ -+#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ath25/dma-coherence.h -@@ -0,0 +1,82 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org> -+ * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> -+ * -+ */ -+#ifndef __ASM_MACH_ATH25_DMA_COHERENCE_H -+#define __ASM_MACH_ATH25_DMA_COHERENCE_H -+ -+#include <linux/device.h> -+ -+/* -+ * We need some arbitrary non-zero value to be programmed to the BAR1 register -+ * of PCI host controller to enable DMA. The same value should be used as the -+ * offset to calculate the physical address of DMA buffer for PCI devices. -+ */ -+#define AR2315_PCI_HOST_SDRAM_BASEADDR 0x20000000 -+ -+static inline dma_addr_t ath25_dev_offset(struct device *dev) -+{ -+#ifdef CONFIG_PCI -+ extern struct bus_type pci_bus_type; -+ -+ if (dev && dev->bus == &pci_bus_type) -+ return AR2315_PCI_HOST_SDRAM_BASEADDR; -+#endif -+ return 0; -+} -+ -+static inline dma_addr_t -+plat_map_dma_mem(struct device *dev, void *addr, size_t size) -+{ -+ return virt_to_phys(addr) + ath25_dev_offset(dev); -+} -+ -+static inline dma_addr_t -+plat_map_dma_mem_page(struct device *dev, struct page *page) -+{ -+ return page_to_phys(page) + ath25_dev_offset(dev); -+} -+ -+static inline unsigned long -+plat_dma_addr_to_phys(struct device *dev, dma_addr_t dma_addr) -+{ -+ return dma_addr - ath25_dev_offset(dev); -+} -+ -+static inline void -+plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, size_t size, -+ enum dma_data_direction direction) -+{ -+} -+ -+static inline int plat_dma_supported(struct device *dev, u64 mask) -+{ -+ return 1; -+} -+ -+static inline void plat_extra_sync_for_device(struct device *dev) -+{ -+} -+ -+static inline int plat_dma_mapping_error(struct device *dev, -+ dma_addr_t dma_addr) -+{ -+ return 0; -+} -+ -+static inline int plat_device_is_coherent(struct device *dev) -+{ -+#ifdef CONFIG_DMA_COHERENT -+ return 1; -+#endif -+#ifdef CONFIG_DMA_NONCOHERENT -+ return 0; -+#endif -+} -+ -+#endif /* __ASM_MACH_ATH25_DMA_COHERENCE_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ath25/gpio.h -@@ -0,0 +1,16 @@ -+#ifndef __ASM_MACH_ATH25_GPIO_H -+#define __ASM_MACH_ATH25_GPIO_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 -+#define gpio_to_irq __gpio_to_irq -+ -+static inline int irq_to_gpio(unsigned irq) -+{ -+ return -EINVAL; -+} -+ -+#endif /* __ASM_MACH_ATH25_GPIO_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ath25/war.h -@@ -0,0 +1,25 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org> -+ */ -+#ifndef __ASM_MACH_ATH25_WAR_H -+#define __ASM_MACH_ATH25_WAR_H -+ -+#define R4600_V1_INDEX_ICACHEOP_WAR 0 -+#define R4600_V1_HIT_CACHEOP_WAR 0 -+#define R4600_V2_HIT_CACHEOP_WAR 0 -+#define R5432_CP0_INTERRUPT_WAR 0 -+#define BCM1250_M3_WAR 0 -+#define SIBYTE_1956_WAR 0 -+#define MIPS4K_ICACHE_REFILL_WAR 0 -+#define MIPS_CACHE_SYNC_WAR 0 -+#define TX49XX_ICACHE_INDEX_INV_WAR 0 -+#define RM9000_CDEX_SMP_WAR 0 -+#define ICACHE_REFILLS_WORKAROUND_WAR 0 -+#define R10000_LLSC_WAR 0 -+#define MIPS34K_MISSED_ITLB_WAR 0 -+ -+#endif /* __ASM_MACH_ATH25_WAR_H */ ---- /dev/null -+++ b/arch/mips/ath25/ar2315_regs.h -@@ -0,0 +1,410 @@ -+/* -+ * Register definitions for AR2315+ -+ * -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved. -+ * Copyright (C) 2006 FON Technology, SL. -+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> -+ * Copyright (C) 2006-2008 Felix Fietkau <nbd@openwrt.org> -+ */ -+ -+#ifndef __ASM_MACH_ATH25_AR2315_REGS_H -+#define __ASM_MACH_ATH25_AR2315_REGS_H -+ -+/* -+ * IRQs -+ */ -+#define AR2315_IRQ_MISC (MIPS_CPU_IRQ_BASE + 2) /* C0_CAUSE: 0x0400 */ -+#define AR2315_IRQ_WLAN0 (MIPS_CPU_IRQ_BASE + 3) /* C0_CAUSE: 0x0800 */ -+#define AR2315_IRQ_ENET0 (MIPS_CPU_IRQ_BASE + 4) /* C0_CAUSE: 0x1000 */ -+#define AR2315_IRQ_LCBUS_PCI (MIPS_CPU_IRQ_BASE + 5) /* C0_CAUSE: 0x2000 */ -+#define AR2315_IRQ_WLAN0_POLL (MIPS_CPU_IRQ_BASE + 6) /* C0_CAUSE: 0x4000 */ -+ -+/* -+ * Miscellaneous interrupts, which share IP2. -+ */ -+#define AR2315_MISC_IRQ_UART0 0 -+#define AR2315_MISC_IRQ_I2C_RSVD 1 -+#define AR2315_MISC_IRQ_SPI 2 -+#define AR2315_MISC_IRQ_AHB 3 -+#define AR2315_MISC_IRQ_APB 4 -+#define AR2315_MISC_IRQ_TIMER 5 -+#define AR2315_MISC_IRQ_GPIO 6 -+#define AR2315_MISC_IRQ_WATCHDOG 7 -+#define AR2315_MISC_IRQ_IR_RSVD 8 -+#define AR2315_MISC_IRQ_COUNT 9 -+ -+/* -+ * Address map -+ */ -+#define AR2315_SPI_READ_BASE 0x08000000 /* SPI flash */ -+#define AR2315_SPI_READ_SIZE 0x01000000 -+#define AR2315_WLAN0_BASE 0x10000000 /* Wireless MMR */ -+#define AR2315_PCI_BASE 0x10100000 /* PCI MMR */ -+#define AR2315_PCI_SIZE 0x00001000 -+#define AR2315_SDRAMCTL_BASE 0x10300000 /* SDRAM MMR */ -+#define AR2315_SDRAMCTL_SIZE 0x00000020 -+#define AR2315_LOCAL_BASE 0x10400000 /* Local bus MMR */ -+#define AR2315_ENET0_BASE 0x10500000 /* Ethernet MMR */ -+#define AR2315_RST_BASE 0x11000000 /* Reset control MMR */ -+#define AR2315_RST_SIZE 0x00000100 -+#define AR2315_UART0_BASE 0x11100000 /* UART MMR */ -+#define AR2315_SPI_MMR_BASE 0x11300000 /* SPI flash MMR */ -+#define AR2315_SPI_MMR_SIZE 0x00000010 -+#define AR2315_PCI_EXT_BASE 0x80000000 /* PCI external */ -+#define AR2315_PCI_EXT_SIZE 0x40000000 -+ -+/* -+ * Configuration registers -+ */ -+ -+/* Cold reset register */ -+#define AR2315_COLD_RESET 0x0000 -+ -+#define AR2315_RESET_COLD_AHB 0x00000001 -+#define AR2315_RESET_COLD_APB 0x00000002 -+#define AR2315_RESET_COLD_CPU 0x00000004 -+#define AR2315_RESET_COLD_CPUWARM 0x00000008 -+#define AR2315_RESET_SYSTEM (RESET_COLD_CPU |\ -+ RESET_COLD_APB |\ -+ RESET_COLD_AHB) /* full system */ -+#define AR2317_RESET_SYSTEM 0x00000010 -+ -+/* Reset register */ -+#define AR2315_RESET 0x0004 -+ -+#define AR2315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */ -+#define AR2315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BB */ -+#define AR2315_RESET_MPEGTS_RSVD 0x00000004 /* warm reset MPEG-TS */ -+#define AR2315_RESET_PCIDMA 0x00000008 /* warm reset PCI ahb/dma */ -+#define AR2315_RESET_MEMCTL 0x00000010 /* warm reset mem control */ -+#define AR2315_RESET_LOCAL 0x00000020 /* warm reset local bus */ -+#define AR2315_RESET_I2C_RSVD 0x00000040 /* warm reset I2C bus */ -+#define AR2315_RESET_SPI 0x00000080 /* warm reset SPI iface */ -+#define AR2315_RESET_UART0 0x00000100 /* warm reset UART0 */ -+#define AR2315_RESET_IR_RSVD 0x00000200 /* warm reset IR iface */ -+#define AR2315_RESET_EPHY0 0x00000400 /* cold reset ENET0 phy */ -+#define AR2315_RESET_ENET0 0x00000800 /* cold reset ENET0 MAC */ -+ -+/* AHB master arbitration control */ -+#define AR2315_AHB_ARB_CTL 0x0008 -+ -+#define AR2315_ARB_CPU 0x00000001 /* CPU, default */ -+#define AR2315_ARB_WLAN 0x00000002 /* WLAN */ -+#define AR2315_ARB_MPEGTS_RSVD 0x00000004 /* MPEG-TS */ -+#define AR2315_ARB_LOCAL 0x00000008 /* Local bus */ -+#define AR2315_ARB_PCI 0x00000010 /* PCI bus */ -+#define AR2315_ARB_ETHERNET 0x00000020 /* Ethernet */ -+#define AR2315_ARB_RETRY 0x00000100 /* Retry policy (debug) */ -+ -+/* Config Register */ -+#define AR2315_ENDIAN_CTL 0x000c -+ -+#define AR2315_CONFIG_AHB 0x00000001 /* EC-AHB bridge endian */ -+#define AR2315_CONFIG_WLAN 0x00000002 /* WLAN byteswap */ -+#define AR2315_CONFIG_MPEGTS_RSVD 0x00000004 /* MPEG-TS byteswap */ -+#define AR2315_CONFIG_PCI 0x00000008 /* PCI byteswap */ -+#define AR2315_CONFIG_MEMCTL 0x00000010 /* Mem controller endian */ -+#define AR2315_CONFIG_LOCAL 0x00000020 /* Local bus byteswap */ -+#define AR2315_CONFIG_ETHERNET 0x00000040 /* Ethernet byteswap */ -+#define AR2315_CONFIG_MERGE 0x00000200 /* CPU write buffer merge */ -+#define AR2315_CONFIG_CPU 0x00000400 /* CPU big endian */ -+#define AR2315_CONFIG_BIG 0x00000400 -+#define AR2315_CONFIG_PCIAHB 0x00000800 -+#define AR2315_CONFIG_PCIAHB_BRIDGE 0x00001000 -+#define AR2315_CONFIG_SPI 0x00008000 /* SPI byteswap */ -+#define AR2315_CONFIG_CPU_DRAM 0x00010000 -+#define AR2315_CONFIG_CPU_PCI 0x00020000 -+#define AR2315_CONFIG_CPU_MMR 0x00040000 -+ -+/* NMI control */ -+#define AR2315_NMI_CTL 0x0010 -+ -+#define AR2315_NMI_EN 1 -+ -+/* Revision Register - Initial value is 0x3010 (WMAC 3.0, AR231X 1.0). */ -+#define AR2315_SREV 0x0014 -+ -+#define AR2315_REV_MAJ 0x000000f0 -+#define AR2315_REV_MAJ_S 4 -+#define AR2315_REV_MIN 0x0000000f -+#define AR2315_REV_MIN_S 0 -+#define AR2315_REV_CHIP (AR2315_REV_MAJ | AR2315_REV_MIN) -+ -+/* Interface Enable */ -+#define AR2315_IF_CTL 0x0018 -+ -+#define AR2315_IF_MASK 0x00000007 -+#define AR2315_IF_DISABLED 0 /* Disable all */ -+#define AR2315_IF_PCI 1 /* PCI */ -+#define AR2315_IF_TS_LOCAL 2 /* Local bus */ -+#define AR2315_IF_ALL 3 /* Emulation only */ -+#define AR2315_IF_LOCAL_HOST 0x00000008 -+#define AR2315_IF_PCI_HOST 0x00000010 -+#define AR2315_IF_PCI_INTR 0x00000020 -+#define AR2315_IF_PCI_CLK_MASK 0x00030000 -+#define AR2315_IF_PCI_CLK_INPUT 0 -+#define AR2315_IF_PCI_CLK_OUTPUT_LOW 1 -+#define AR2315_IF_PCI_CLK_OUTPUT_CLK 2 -+#define AR2315_IF_PCI_CLK_OUTPUT_HIGH 3 -+#define AR2315_IF_PCI_CLK_SHIFT 16 -+ -+/* APB Interrupt control */ -+#define AR2315_ISR 0x0020 -+#define AR2315_IMR 0x0024 -+#define AR2315_GISR 0x0028 -+ -+#define AR2315_ISR_UART0 0x00000001 /* high speed UART */ -+#define AR2315_ISR_I2C_RSVD 0x00000002 /* I2C bus */ -+#define AR2315_ISR_SPI 0x00000004 /* SPI bus */ -+#define AR2315_ISR_AHB 0x00000008 /* AHB error */ -+#define AR2315_ISR_APB 0x00000010 /* APB error */ -+#define AR2315_ISR_TIMER 0x00000020 /* Timer */ -+#define AR2315_ISR_GPIO 0x00000040 /* GPIO */ -+#define AR2315_ISR_WD 0x00000080 /* Watchdog */ -+#define AR2315_ISR_IR_RSVD 0x00000100 /* IR */ -+ -+#define AR2315_GISR_MISC 0x00000001 /* Misc */ -+#define AR2315_GISR_WLAN0 0x00000002 /* WLAN0 */ -+#define AR2315_GISR_MPEGTS_RSVD 0x00000004 /* MPEG-TS */ -+#define AR2315_GISR_LOCALPCI 0x00000008 /* Local/PCI bus */ -+#define AR2315_GISR_WMACPOLL 0x00000010 -+#define AR2315_GISR_TIMER 0x00000020 -+#define AR2315_GISR_ETHERNET 0x00000040 /* Ethernet */ -+ -+/* Generic timer */ -+#define AR2315_TIMER 0x0030 -+#define AR2315_RELOAD 0x0034 -+ -+/* Watchdog timer */ -+#define AR2315_WDT_TIMER 0x0038 -+#define AR2315_WDT_CTRL 0x003c -+ -+#define AR2315_WDT_CTRL_IGNORE 0x00000000 /* ignore expiration */ -+#define AR2315_WDT_CTRL_NMI 0x00000001 /* NMI on watchdog */ -+#define AR2315_WDT_CTRL_RESET 0x00000002 /* reset on watchdog */ -+ -+/* CPU Performance Counters */ -+#define AR2315_PERFCNT0 0x0048 -+#define AR2315_PERFCNT1 0x004c -+ -+#define AR2315_PERF0_DATAHIT 0x00000001 /* Count Data Cache Hits */ -+#define AR2315_PERF0_DATAMISS 0x00000002 /* Count Data Cache Misses */ -+#define AR2315_PERF0_INSTHIT 0x00000004 /* Count Instruction Cache Hits */ -+#define AR2315_PERF0_INSTMISS 0x00000008 /* Count Instruction Cache Misses */ -+#define AR2315_PERF0_ACTIVE 0x00000010 /* Count Active Processor Cycles */ -+#define AR2315_PERF0_WBHIT 0x00000020 /* Count CPU Write Buffer Hits */ -+#define AR2315_PERF0_WBMISS 0x00000040 /* Count CPU Write Buffer Misses */ -+ -+#define AR2315_PERF1_EB_ARDY 0x00000001 /* Count EB_ARdy signal */ -+#define AR2315_PERF1_EB_AVALID 0x00000002 /* Count EB_AValid signal */ -+#define AR2315_PERF1_EB_WDRDY 0x00000004 /* Count EB_WDRdy signal */ -+#define AR2315_PERF1_EB_RDVAL 0x00000008 /* Count EB_RdVal signal */ -+#define AR2315_PERF1_VRADDR 0x00000010 /* Count valid read address cycles*/ -+#define AR2315_PERF1_VWADDR 0x00000020 /* Count valid write address cycl.*/ -+#define AR2315_PERF1_VWDATA 0x00000040 /* Count valid write data cycles */ -+ -+/* AHB Error Reporting */ -+#define AR2315_AHB_ERR0 0x0050 /* error */ -+#define AR2315_AHB_ERR1 0x0054 /* haddr */ -+#define AR2315_AHB_ERR2 0x0058 /* hwdata */ -+#define AR2315_AHB_ERR3 0x005c /* hrdata */ -+#define AR2315_AHB_ERR4 0x0060 /* status */ -+ -+#define AR2315_AHB_ERROR_DET 1 /* AHB Error has been detected, */ -+ /* write 1 to clear all bits in ERR0 */ -+#define AR2315_AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */ -+#define AR2315_AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */ -+ -+#define AR2315_PROCERR_HMAST 0x0000000f -+#define AR2315_PROCERR_HMAST_DFLT 0 -+#define AR2315_PROCERR_HMAST_WMAC 1 -+#define AR2315_PROCERR_HMAST_ENET 2 -+#define AR2315_PROCERR_HMAST_PCIENDPT 3 -+#define AR2315_PROCERR_HMAST_LOCAL 4 -+#define AR2315_PROCERR_HMAST_CPU 5 -+#define AR2315_PROCERR_HMAST_PCITGT 6 -+#define AR2315_PROCERR_HMAST_S 0 -+#define AR2315_PROCERR_HWRITE 0x00000010 -+#define AR2315_PROCERR_HSIZE 0x00000060 -+#define AR2315_PROCERR_HSIZE_S 5 -+#define AR2315_PROCERR_HTRANS 0x00000180 -+#define AR2315_PROCERR_HTRANS_S 7 -+#define AR2315_PROCERR_HBURST 0x00000e00 -+#define AR2315_PROCERR_HBURST_S 9 -+ -+/* Clock Control */ -+#define AR2315_PLLC_CTL 0x0064 -+#define AR2315_PLLV_CTL 0x0068 -+#define AR2315_CPUCLK 0x006c -+#define AR2315_AMBACLK 0x0070 -+#define AR2315_SYNCCLK 0x0074 -+#define AR2315_DSL_SLEEP_CTL 0x0080 -+#define AR2315_DSL_SLEEP_DUR 0x0084 -+ -+/* PLLc Control fields */ -+#define AR2315_PLLC_REF_DIV_M 0x00000003 -+#define AR2315_PLLC_REF_DIV_S 0 -+#define AR2315_PLLC_FDBACK_DIV_M 0x0000007c -+#define AR2315_PLLC_FDBACK_DIV_S 2 -+#define AR2315_PLLC_ADD_FDBACK_DIV_M 0x00000080 -+#define AR2315_PLLC_ADD_FDBACK_DIV_S 7 -+#define AR2315_PLLC_CLKC_DIV_M 0x0001c000 -+#define AR2315_PLLC_CLKC_DIV_S 14 -+#define AR2315_PLLC_CLKM_DIV_M 0x00700000 -+#define AR2315_PLLC_CLKM_DIV_S 20 -+ -+/* CPU CLK Control fields */ -+#define AR2315_CPUCLK_CLK_SEL_M 0x00000003 -+#define AR2315_CPUCLK_CLK_SEL_S 0 -+#define AR2315_CPUCLK_CLK_DIV_M 0x0000000c -+#define AR2315_CPUCLK_CLK_DIV_S 2 -+ -+/* AMBA CLK Control fields */ -+#define AR2315_AMBACLK_CLK_SEL_M 0x00000003 -+#define AR2315_AMBACLK_CLK_SEL_S 0 -+#define AR2315_AMBACLK_CLK_DIV_M 0x0000000c -+#define AR2315_AMBACLK_CLK_DIV_S 2 -+ -+/* PCI Clock Control */ -+#define AR2315_PCICLK 0x00a4 -+ -+#define AR2315_PCICLK_INPUT_M 0x00000003 -+#define AR2315_PCICLK_INPUT_S 0 -+#define AR2315_PCICLK_PLLC_CLKM 0 -+#define AR2315_PCICLK_PLLC_CLKM1 1 -+#define AR2315_PCICLK_PLLC_CLKC 2 -+#define AR2315_PCICLK_REF_CLK 3 -+#define AR2315_PCICLK_DIV_M 0x0000000c -+#define AR2315_PCICLK_DIV_S 2 -+#define AR2315_PCICLK_IN_FREQ 0 -+#define AR2315_PCICLK_IN_FREQ_DIV_6 1 -+#define AR2315_PCICLK_IN_FREQ_DIV_8 2 -+#define AR2315_PCICLK_IN_FREQ_DIV_10 3 -+ -+/* Observation Control Register */ -+#define AR2315_OCR 0x00b0 -+ -+#define AR2315_OCR_GPIO0_IRIN 0x00000040 -+#define AR2315_OCR_GPIO1_IROUT 0x00000080 -+#define AR2315_OCR_GPIO3_RXCLR 0x00000200 -+ -+/* General Clock Control */ -+#define AR2315_MISCCLK 0x00b4 -+ -+#define AR2315_MISCCLK_PLLBYPASS_EN 0x00000001 -+#define AR2315_MISCCLK_PROCREFCLK 0x00000002 -+ -+/* -+ * SDRAM Controller -+ * - No read or write buffers are included. -+ */ -+#define AR2315_MEM_CFG 0x0000 -+#define AR2315_MEM_CTRL 0x000c -+#define AR2315_MEM_REF 0x0010 -+ -+#define AR2315_MEM_CFG_DATA_WIDTH_M 0x00006000 -+#define AR2315_MEM_CFG_DATA_WIDTH_S 13 -+#define AR2315_MEM_CFG_COL_WIDTH_M 0x00001e00 -+#define AR2315_MEM_CFG_COL_WIDTH_S 9 -+#define AR2315_MEM_CFG_ROW_WIDTH_M 0x000001e0 -+#define AR2315_MEM_CFG_ROW_WIDTH_S 5 -+#define AR2315_MEM_CFG_BANKADDR_BITS_M 0x00000018 -+#define AR2315_MEM_CFG_BANKADDR_BITS_S 3 -+ -+/* -+ * Local Bus Interface Registers -+ */ -+#define AR2315_LB_CONFIG 0x0000 -+ -+#define AR2315_LBCONF_OE 0x00000001 /* =1 OE is low-true */ -+#define AR2315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */ -+#define AR2315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */ -+#define AR2315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */ -+#define AR2315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */ -+#define AR2315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */ -+#define AR2315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */ -+#define AR2315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */ -+#define AR2315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */ -+#define AR2315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */ -+#define AR2315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */ -+#define AR2315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */ -+#define AR2315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */ -+#define AR2315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */ -+#define AR2315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */ -+#define AR2315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */ -+#define AR2315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */ -+#define AR2315_LBCONF_INT 0x00020000 /* =1 Intr is low true */ -+#define AR2315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */ -+#define AR2315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */ -+#define AR2315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */ -+#define AR2315_LBCONF_INT_CTR3 0x000c0000 /* GND drive, Vdd drive */ -+#define AR2315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */ -+#define AR2315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */ -+#define AR2315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */ -+ -+#define AR2315_LB_CLKSEL 0x0004 -+ -+#define AR2315_LBCLK_EXT 0x00000001 /* use external clk for lb */ -+ -+#define AR2315_LB_1MS 0x0008 -+ -+#define AR2315_LB1MS_MASK 0x0003ffff /* # of AHB clk cycles in 1ms */ -+ -+#define AR2315_LB_MISCCFG 0x000c -+ -+#define AR2315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */ -+#define AR2315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */ -+#define AR2315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */ -+#define AR2315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */ -+#define AR2315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */ -+#define AR2315_LBM_TIMEOUT_M 0x00ffff80 -+#define AR2315_LBM_TIMEOUT_S 7 -+#define AR2315_LBM_PORTMUX 0x07000000 -+ -+#define AR2315_LB_RXTSOFF 0x0010 -+ -+#define AR2315_LB_TX_CHAIN_EN 0x0100 -+ -+#define AR2315_LB_TXEN_0 0x00000001 -+#define AR2315_LB_TXEN_1 0x00000002 -+#define AR2315_LB_TXEN_2 0x00000004 -+#define AR2315_LB_TXEN_3 0x00000008 -+ -+#define AR2315_LB_TX_CHAIN_DIS 0x0104 -+#define AR2315_LB_TX_DESC_PTR 0x0200 -+ -+#define AR2315_LB_RX_CHAIN_EN 0x0400 -+ -+#define AR2315_LB_RXEN 0x00000001 -+ -+#define AR2315_LB_RX_CHAIN_DIS 0x0404 -+#define AR2315_LB_RX_DESC_PTR 0x0408 -+ -+#define AR2315_LB_INT_STATUS 0x0500 -+ -+#define AR2315_LB_INT_TX_DESC 0x00000001 -+#define AR2315_LB_INT_TX_OK 0x00000002 -+#define AR2315_LB_INT_TX_ERR 0x00000004 -+#define AR2315_LB_INT_TX_EOF 0x00000008 -+#define AR2315_LB_INT_RX_DESC 0x00000010 -+#define AR2315_LB_INT_RX_OK 0x00000020 -+#define AR2315_LB_INT_RX_ERR 0x00000040 -+#define AR2315_LB_INT_RX_EOF 0x00000080 -+#define AR2315_LB_INT_TX_TRUNC 0x00000100 -+#define AR2315_LB_INT_TX_STARVE 0x00000200 -+#define AR2315_LB_INT_LB_TIMEOUT 0x00000400 -+#define AR2315_LB_INT_LB_ERR 0x00000800 -+#define AR2315_LB_INT_MBOX_WR 0x00001000 -+#define AR2315_LB_INT_MBOX_RD 0x00002000 -+ -+/* Bit definitions for INT MASK are the same as INT_STATUS */ -+#define AR2315_LB_INT_MASK 0x0504 -+ -+#define AR2315_LB_INT_EN 0x0508 -+#define AR2315_LB_MBOX 0x0600 -+ -+#endif /* __ASM_MACH_ATH25_AR2315_REGS_H */ ---- /dev/null -+++ b/arch/mips/ath25/ar5312_regs.h -@@ -0,0 +1,224 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved. -+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> -+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> -+ */ -+ -+#ifndef __ASM_MACH_ATH25_AR5312_REGS_H -+#define __ASM_MACH_ATH25_AR5312_REGS_H -+ -+/* -+ * IRQs -+ */ -+#define AR5312_IRQ_WLAN0 (MIPS_CPU_IRQ_BASE + 2) /* C0_CAUSE: 0x0400 */ -+#define AR5312_IRQ_ENET0 (MIPS_CPU_IRQ_BASE + 3) /* C0_CAUSE: 0x0800 */ -+#define AR5312_IRQ_ENET1 (MIPS_CPU_IRQ_BASE + 4) /* C0_CAUSE: 0x1000 */ -+#define AR5312_IRQ_WLAN1 (MIPS_CPU_IRQ_BASE + 5) /* C0_CAUSE: 0x2000 */ -+#define AR5312_IRQ_MISC (MIPS_CPU_IRQ_BASE + 6) /* C0_CAUSE: 0x4000 */ -+ -+/* -+ * Miscellaneous interrupts, which share IP6. -+ */ -+#define AR5312_MISC_IRQ_TIMER 0 -+#define AR5312_MISC_IRQ_AHB_PROC 1 -+#define AR5312_MISC_IRQ_AHB_DMA 2 -+#define AR5312_MISC_IRQ_GPIO 3 -+#define AR5312_MISC_IRQ_UART0 4 -+#define AR5312_MISC_IRQ_UART0_DMA 5 -+#define AR5312_MISC_IRQ_WATCHDOG 6 -+#define AR5312_MISC_IRQ_LOCAL 7 -+#define AR5312_MISC_IRQ_SPI 8 -+#define AR5312_MISC_IRQ_COUNT 9 -+ -+/* -+ * Address Map -+ * -+ * The AR5312 supports 2 enet MACS, even though many reference boards only -+ * actually use 1 of them (i.e. Only MAC 0 is actually connected to an enet -+ * PHY or PHY switch. The AR2312 supports 1 enet MAC. -+ */ -+#define AR5312_WLAN0_BASE 0x18000000 -+#define AR5312_ENET0_BASE 0x18100000 -+#define AR5312_ENET1_BASE 0x18200000 -+#define AR5312_SDRAMCTL_BASE 0x18300000 -+#define AR5312_SDRAMCTL_SIZE 0x00000010 -+#define AR5312_FLASHCTL_BASE 0x18400000 -+#define AR5312_FLASHCTL_SIZE 0x00000010 -+#define AR5312_WLAN1_BASE 0x18500000 -+#define AR5312_UART0_BASE 0x1c000000 /* UART MMR */ -+#define AR5312_GPIO_BASE 0x1c002000 -+#define AR5312_GPIO_SIZE 0x00000010 -+#define AR5312_RST_BASE 0x1c003000 -+#define AR5312_RST_SIZE 0x00000100 -+#define AR5312_FLASH_BASE 0x1e000000 -+#define AR5312_FLASH_SIZE 0x00800000 -+ -+/* -+ * Need these defines to determine true number of ethernet MACs -+ */ -+#define AR5312_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */ -+#define AR5312_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */ -+#define AR5312_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */ -+ -+/* Reset/Timer Block Address Map */ -+#define AR5312_TIMER 0x0000 /* countdown timer */ -+#define AR5312_RELOAD 0x0004 /* timer reload value */ -+#define AR5312_WDT_CTRL 0x0008 /* watchdog cntrl */ -+#define AR5312_WDT_TIMER 0x000c /* watchdog timer */ -+#define AR5312_ISR 0x0010 /* Intr Status Reg */ -+#define AR5312_IMR 0x0014 /* Intr Mask Reg */ -+#define AR5312_RESET 0x0020 -+#define AR5312_CLOCKCTL1 0x0064 -+#define AR5312_SCRATCH 0x006c -+#define AR5312_PROCADDR 0x0070 -+#define AR5312_PROC1 0x0074 -+#define AR5312_DMAADDR 0x0078 -+#define AR5312_DMA1 0x007c -+#define AR5312_ENABLE 0x0080 /* interface enb */ -+#define AR5312_REV 0x0090 /* revision */ -+ -+/* AR5312_WDT_CTRL register bit field definitions */ -+#define AR5312_WDT_CTRL_IGNORE 0x00000000 /* ignore expiration */ -+#define AR5312_WDT_CTRL_NMI 0x00000001 -+#define AR5312_WDT_CTRL_RESET 0x00000002 -+ -+/* AR5312_ISR register bit field definitions */ -+#define AR5312_ISR_TIMER 0x00000001 -+#define AR5312_ISR_AHBPROC 0x00000002 -+#define AR5312_ISR_AHBDMA 0x00000004 -+#define AR5312_ISR_GPIO 0x00000008 -+#define AR5312_ISR_UART0 0x00000010 -+#define AR5312_ISR_UART0DMA 0x00000020 -+#define AR5312_ISR_WD 0x00000040 -+#define AR5312_ISR_LOCAL 0x00000080 -+ -+/* AR5312_RESET register bit field definitions */ -+#define AR5312_RESET_SYSTEM 0x00000001 /* cold reset full system */ -+#define AR5312_RESET_PROC 0x00000002 /* cold reset MIPS core */ -+#define AR5312_RESET_WLAN0 0x00000004 /* cold reset WLAN MAC/BB */ -+#define AR5312_RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */ -+#define AR5312_RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */ -+#define AR5312_RESET_ENET0 0x00000020 /* cold reset ENET0 MAC */ -+#define AR5312_RESET_ENET1 0x00000040 /* cold reset ENET1 MAC */ -+#define AR5312_RESET_UART0 0x00000100 /* cold reset UART0 */ -+#define AR5312_RESET_WLAN1 0x00000200 /* cold reset WLAN MAC/BB */ -+#define AR5312_RESET_APB 0x00000400 /* cold reset APB ar5312 */ -+#define AR5312_RESET_WARM_PROC 0x00001000 /* warm reset MIPS core */ -+#define AR5312_RESET_WARM_WLAN0_MAC 0x00002000 /* warm reset WLAN0 MAC */ -+#define AR5312_RESET_WARM_WLAN0_BB 0x00004000 /* warm reset WLAN0 BB */ -+#define AR5312_RESET_NMI 0x00010000 /* send an NMI to the CPU */ -+#define AR5312_RESET_WARM_WLAN1_MAC 0x00020000 /* warm reset WLAN1 MAC */ -+#define AR5312_RESET_WARM_WLAN1_BB 0x00040000 /* warm reset WLAN1 BB */ -+#define AR5312_RESET_LOCAL_BUS 0x00080000 /* reset local bus */ -+#define AR5312_RESET_WDOG 0x00100000 /* last reset was a wdt */ -+ -+#define AR5312_RESET_WMAC0_BITS (AR5312_RESET_WLAN0 |\ -+ AR5312_RESET_WARM_WLAN0_MAC |\ -+ AR5312_RESET_WARM_WLAN0_BB) -+ -+#define AR5312_RESET_WMAC1_BITS (AR5312_RESET_WLAN1 |\ -+ AR5312_RESET_WARM_WLAN1_MAC |\ -+ AR5312_RESET_WARM_WLAN1_BB) -+ -+/* AR5312_CLOCKCTL1 register bit field definitions */ -+#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030 -+#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4 -+#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00 -+#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8 -+#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000 -+ -+/* Valid for AR5312 and AR2312 */ -+#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030 -+#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4 -+#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00 -+#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8 -+#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000 -+ -+/* Valid for AR2313 */ -+#define AR2313_CLOCKCTL1_PREDIVIDE_MASK 0x00003000 -+#define AR2313_CLOCKCTL1_PREDIVIDE_SHIFT 12 -+#define AR2313_CLOCKCTL1_MULTIPLIER_MASK 0x001f0000 -+#define AR2313_CLOCKCTL1_MULTIPLIER_SHIFT 16 -+#define AR2313_CLOCKCTL1_DOUBLER_MASK 0x00000000 -+ -+/* AR5312_ENABLE register bit field definitions */ -+#define AR5312_ENABLE_WLAN0 0x00000001 -+#define AR5312_ENABLE_ENET0 0x00000002 -+#define AR5312_ENABLE_ENET1 0x00000004 -+#define AR5312_ENABLE_UART_AND_WLAN1_PIO 0x00000008/* UART & WLAN1 PIO */ -+#define AR5312_ENABLE_WLAN1_DMA 0x00000010/* WLAN1 DMAs */ -+#define AR5312_ENABLE_WLAN1 (AR5312_ENABLE_UART_AND_WLAN1_PIO |\ -+ AR5312_ENABLE_WLAN1_DMA) -+ -+/* AR5312_REV register bit field definitions */ -+#define AR5312_REV_WMAC_MAJ 0x0000f000 -+#define AR5312_REV_WMAC_MAJ_S 12 -+#define AR5312_REV_WMAC_MIN 0x00000f00 -+#define AR5312_REV_WMAC_MIN_S 8 -+#define AR5312_REV_MAJ 0x000000f0 -+#define AR5312_REV_MAJ_S 4 -+#define AR5312_REV_MIN 0x0000000f -+#define AR5312_REV_MIN_S 0 -+#define AR5312_REV_CHIP (AR5312_REV_MAJ|AR5312_REV_MIN) -+ -+/* Major revision numbers, bits 7..4 of Revision ID register */ -+#define AR5312_REV_MAJ_AR5312 0x4 -+#define AR5312_REV_MAJ_AR2313 0x5 -+ -+/* Minor revision numbers, bits 3..0 of Revision ID register */ -+#define AR5312_REV_MIN_DUAL 0x0 /* Dual WLAN version */ -+#define AR5312_REV_MIN_SINGLE 0x1 /* Single WLAN version */ -+ -+/* -+ * ARM Flash Controller -- 3 flash banks with either x8 or x16 devices -+ */ -+#define AR5312_FLASHCTL0 0x0000 -+#define AR5312_FLASHCTL1 0x0004 -+#define AR5312_FLASHCTL2 0x0008 -+ -+/* AR5312_FLASHCTL register bit field definitions */ -+#define AR5312_FLASHCTL_IDCY 0x0000000f /* Idle cycle turnaround time */ -+#define AR5312_FLASHCTL_IDCY_S 0 -+#define AR5312_FLASHCTL_WST1 0x000003e0 /* Wait state 1 */ -+#define AR5312_FLASHCTL_WST1_S 5 -+#define AR5312_FLASHCTL_RBLE 0x00000400 /* Read byte lane enable */ -+#define AR5312_FLASHCTL_WST2 0x0000f800 /* Wait state 2 */ -+#define AR5312_FLASHCTL_WST2_S 11 -+#define AR5312_FLASHCTL_AC 0x00070000 /* Flash addr check (added) */ -+#define AR5312_FLASHCTL_AC_S 16 -+#define AR5312_FLASHCTL_AC_128K 0x00000000 -+#define AR5312_FLASHCTL_AC_256K 0x00010000 -+#define AR5312_FLASHCTL_AC_512K 0x00020000 -+#define AR5312_FLASHCTL_AC_1M 0x00030000 -+#define AR5312_FLASHCTL_AC_2M 0x00040000 -+#define AR5312_FLASHCTL_AC_4M 0x00050000 -+#define AR5312_FLASHCTL_AC_8M 0x00060000 -+#define AR5312_FLASHCTL_AC_RES 0x00070000 /* 16MB is not supported */ -+#define AR5312_FLASHCTL_E 0x00080000 /* Flash bank enable (added) */ -+#define AR5312_FLASHCTL_BUSERR 0x01000000 /* Bus transfer error flag */ -+#define AR5312_FLASHCTL_WPERR 0x02000000 /* Write protect error flag */ -+#define AR5312_FLASHCTL_WP 0x04000000 /* Write protect */ -+#define AR5312_FLASHCTL_BM 0x08000000 /* Burst mode */ -+#define AR5312_FLASHCTL_MW 0x30000000 /* Mem width */ -+#define AR5312_FLASHCTL_MW8 0x00000000 /* Mem width x8 */ -+#define AR5312_FLASHCTL_MW16 0x10000000 /* Mem width x16 */ -+#define AR5312_FLASHCTL_MW32 0x20000000 /* Mem width x32 (not supp) */ -+#define AR5312_FLASHCTL_ATNR 0x00000000 /* Access == no retry */ -+#define AR5312_FLASHCTL_ATR 0x80000000 /* Access == retry every */ -+#define AR5312_FLASHCTL_ATR4 0xc0000000 /* Access == retry every 4 */ -+ -+/* -+ * ARM SDRAM Controller -- just enough to determine memory size -+ */ -+#define AR5312_MEM_CFG1 0x0004 -+ -+#define AR5312_MEM_CFG1_AC0_M 0x00000700 /* bank 0: SDRAM addr check */ -+#define AR5312_MEM_CFG1_AC0_S 8 -+#define AR5312_MEM_CFG1_AC1_M 0x00007000 /* bank 1: SDRAM addr check */ -+#define AR5312_MEM_CFG1_AC1_S 12 -+ -+#endif /* __ASM_MACH_ATH25_AR5312_REGS_H */ ---- /dev/null -+++ b/arch/mips/ath25/ar5312.c -@@ -0,0 +1,393 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved. -+ * Copyright (C) 2006 FON Technology, SL. -+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> -+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org> -+ * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com> -+ */ -+ -+/* -+ * Platform devices for Atheros AR5312 SoCs -+ */ -+ -+#include <linux/init.h> -+#include <linux/kernel.h> -+#include <linux/bitops.h> -+#include <linux/irqdomain.h> -+#include <linux/interrupt.h> -+#include <linux/platform_device.h> -+#include <linux/mtd/physmap.h> -+#include <linux/reboot.h> -+#include <asm/bootinfo.h> -+#include <asm/reboot.h> -+#include <asm/time.h> -+ -+#include <ath25_platform.h> -+ -+#include "devices.h" -+#include "ar5312.h" -+#include "ar5312_regs.h" -+ -+static void __iomem *ar5312_rst_base; -+static struct irq_domain *ar5312_misc_irq_domain; -+ -+static inline u32 ar5312_rst_reg_read(u32 reg) -+{ -+ return __raw_readl(ar5312_rst_base + reg); -+} -+ -+static inline void ar5312_rst_reg_write(u32 reg, u32 val) -+{ -+ __raw_writel(val, ar5312_rst_base + reg); -+} -+ -+static inline void ar5312_rst_reg_mask(u32 reg, u32 mask, u32 val) -+{ -+ u32 ret = ar5312_rst_reg_read(reg); -+ -+ ret &= ~mask; -+ ret |= val; -+ ar5312_rst_reg_write(reg, ret); -+} -+ -+static irqreturn_t ar5312_ahb_err_handler(int cpl, void *dev_id) -+{ -+ u32 proc1 = ar5312_rst_reg_read(AR5312_PROC1); -+ u32 proc_addr = ar5312_rst_reg_read(AR5312_PROCADDR); /* clears error */ -+ u32 dma1 = ar5312_rst_reg_read(AR5312_DMA1); -+ u32 dma_addr = ar5312_rst_reg_read(AR5312_DMAADDR); /* clears error */ -+ -+ pr_emerg("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n", -+ proc_addr, proc1, dma_addr, dma1); -+ -+ machine_restart("AHB error"); /* Catastrophic failure */ -+ return IRQ_HANDLED; -+} -+ -+static struct irqaction ar5312_ahb_err_interrupt = { -+ .handler = ar5312_ahb_err_handler, -+ .name = "ar5312-ahb-error", -+}; -+ -+static void ar5312_misc_irq_handler(unsigned irq, struct irq_desc *desc) -+{ -+ u32 pending = ar5312_rst_reg_read(AR5312_ISR) & -+ ar5312_rst_reg_read(AR5312_IMR); -+ unsigned nr, misc_irq = 0; -+ -+ if (pending) { -+ struct irq_domain *domain = irq_get_handler_data(irq); -+ -+ nr = __ffs(pending); -+ misc_irq = irq_find_mapping(domain, nr); -+ } -+ -+ if (misc_irq) { -+ generic_handle_irq(misc_irq); -+ if (nr == AR5312_MISC_IRQ_TIMER) -+ ar5312_rst_reg_read(AR5312_TIMER); -+ } else { -+ spurious_interrupt(); -+ } -+} -+ -+/* Enable the specified AR5312_MISC_IRQ interrupt */ -+static void ar5312_misc_irq_unmask(struct irq_data *d) -+{ -+ ar5312_rst_reg_mask(AR5312_IMR, 0, BIT(d->hwirq)); -+} -+ -+/* Disable the specified AR5312_MISC_IRQ interrupt */ -+static void ar5312_misc_irq_mask(struct irq_data *d) -+{ -+ ar5312_rst_reg_mask(AR5312_IMR, BIT(d->hwirq), 0); -+ ar5312_rst_reg_read(AR5312_IMR); /* flush write buffer */ -+} -+ -+static struct irq_chip ar5312_misc_irq_chip = { -+ .name = "ar5312-misc", -+ .irq_unmask = ar5312_misc_irq_unmask, -+ .irq_mask = ar5312_misc_irq_mask, -+}; -+ -+static int ar5312_misc_irq_map(struct irq_domain *d, unsigned irq, -+ irq_hw_number_t hw) -+{ -+ irq_set_chip_and_handler(irq, &ar5312_misc_irq_chip, handle_level_irq); -+ return 0; -+} -+ -+static struct irq_domain_ops ar5312_misc_irq_domain_ops = { -+ .map = ar5312_misc_irq_map, -+}; -+ -+static void ar5312_irq_dispatch(void) -+{ -+ u32 pending = read_c0_status() & read_c0_cause(); -+ -+ if (pending & CAUSEF_IP2) -+ do_IRQ(AR5312_IRQ_WLAN0); -+ else if (pending & CAUSEF_IP5) -+ do_IRQ(AR5312_IRQ_WLAN1); -+ else if (pending & CAUSEF_IP6) -+ do_IRQ(AR5312_IRQ_MISC); -+ else if (pending & CAUSEF_IP7) -+ do_IRQ(ATH25_IRQ_CPU_CLOCK); -+ else -+ spurious_interrupt(); -+} -+ -+void __init ar5312_arch_init_irq(void) -+{ -+ struct irq_domain *domain; -+ unsigned irq; -+ -+ ath25_irq_dispatch = ar5312_irq_dispatch; -+ -+ domain = irq_domain_add_linear(NULL, AR5312_MISC_IRQ_COUNT, -+ &ar5312_misc_irq_domain_ops, NULL); -+ if (!domain) -+ panic("Failed to add IRQ domain"); -+ -+ irq = irq_create_mapping(domain, AR5312_MISC_IRQ_AHB_PROC); -+ setup_irq(irq, &ar5312_ahb_err_interrupt); -+ -+ irq_set_chained_handler(AR5312_IRQ_MISC, ar5312_misc_irq_handler); -+ irq_set_handler_data(AR5312_IRQ_MISC, domain); -+ -+ ar5312_misc_irq_domain = domain; -+} -+ -+static struct physmap_flash_data ar5312_flash_data = { -+ .width = 2, -+}; -+ -+static struct resource ar5312_flash_resource = { -+ .start = AR5312_FLASH_BASE, -+ .end = AR5312_FLASH_BASE + AR5312_FLASH_SIZE - 1, -+ .flags = IORESOURCE_MEM, -+}; -+ -+static struct platform_device ar5312_physmap_flash = { -+ .name = "physmap-flash", -+ .id = 0, -+ .dev.platform_data = &ar5312_flash_data, -+ .resource = &ar5312_flash_resource, -+ .num_resources = 1, -+}; -+ -+static void __init ar5312_flash_init(void) -+{ -+ void __iomem *flashctl_base; -+ u32 ctl; -+ -+ flashctl_base = ioremap_nocache(AR5312_FLASHCTL_BASE, -+ AR5312_FLASHCTL_SIZE); -+ -+ ctl = __raw_readl(flashctl_base + AR5312_FLASHCTL0); -+ ctl &= AR5312_FLASHCTL_MW; -+ -+ /* fixup flash width */ -+ switch (ctl) { -+ case AR5312_FLASHCTL_MW16: -+ ar5312_flash_data.width = 2; -+ break; -+ case AR5312_FLASHCTL_MW8: -+ default: -+ ar5312_flash_data.width = 1; -+ break; -+ } -+ -+ /* -+ * Configure flash bank 0. -+ * Assume 8M window size. Flash will be aliased if it's smaller -+ */ -+ ctl |= AR5312_FLASHCTL_E | AR5312_FLASHCTL_AC_8M | AR5312_FLASHCTL_RBLE; -+ ctl |= 0x01 << AR5312_FLASHCTL_IDCY_S; -+ ctl |= 0x07 << AR5312_FLASHCTL_WST1_S; -+ ctl |= 0x07 << AR5312_FLASHCTL_WST2_S; -+ __raw_writel(ctl, flashctl_base + AR5312_FLASHCTL0); -+ -+ /* Disable other flash banks */ -+ ctl = __raw_readl(flashctl_base + AR5312_FLASHCTL1); -+ ctl &= ~(AR5312_FLASHCTL_E | AR5312_FLASHCTL_AC); -+ __raw_writel(ctl, flashctl_base + AR5312_FLASHCTL1); -+ ctl = __raw_readl(flashctl_base + AR5312_FLASHCTL2); -+ ctl &= ~(AR5312_FLASHCTL_E | AR5312_FLASHCTL_AC); -+ __raw_writel(ctl, flashctl_base + AR5312_FLASHCTL2); -+ -+ iounmap(flashctl_base); -+} -+ -+void __init ar5312_init_devices(void) -+{ -+ struct ath25_boarddata *config; -+ -+ ar5312_flash_init(); -+ -+ /* Locate board/radio config data */ -+ ath25_find_config(AR5312_FLASH_BASE, AR5312_FLASH_SIZE); -+ config = ath25_board.config; -+ -+ /* AR2313 has CPU minor rev. 10 */ -+ if ((current_cpu_data.processor_id & 0xff) == 0x0a) -+ ath25_soc = ATH25_SOC_AR2313; -+ -+ /* AR2312 shares the same Silicon ID as AR5312 */ -+ else if (config->flags & BD_ISCASPER) -+ ath25_soc = ATH25_SOC_AR2312; -+ -+ /* Everything else is probably AR5312 or compatible */ -+ else -+ ath25_soc = ATH25_SOC_AR5312; -+ -+ platform_device_register(&ar5312_physmap_flash); -+ -+ switch (ath25_soc) { -+ case ATH25_SOC_AR5312: -+ if (!ath25_board.radio) -+ return; -+ -+ if (!(config->flags & BD_WLAN0)) -+ break; -+ -+ ath25_add_wmac(0, AR5312_WLAN0_BASE, AR5312_IRQ_WLAN0); -+ break; -+ case ATH25_SOC_AR2312: -+ case ATH25_SOC_AR2313: -+ if (!ath25_board.radio) -+ return; -+ break; -+ default: -+ break; -+ } -+ -+ if (config->flags & BD_WLAN1) -+ ath25_add_wmac(1, AR5312_WLAN1_BASE, AR5312_IRQ_WLAN1); -+} -+ -+static void ar5312_restart(char *command) -+{ -+ /* reset the system */ -+ local_irq_disable(); -+ while (1) -+ ar5312_rst_reg_write(AR5312_RESET, AR5312_RESET_SYSTEM); -+} -+ -+/* -+ * This table is indexed by bits 5..4 of the CLOCKCTL1 register -+ * to determine the predevisor value. -+ */ -+static unsigned clockctl1_predivide_table[4] __initdata = { 1, 2, 4, 5 }; -+ -+static unsigned __init ar5312_cpu_frequency(void) -+{ -+ u32 scratch, devid, clock_ctl1; -+ u32 predivide_mask, multiplier_mask, doubler_mask; -+ unsigned predivide_shift, multiplier_shift; -+ unsigned predivide_select, predivisor, multiplier; -+ -+ /* Trust the bootrom's idea of cpu frequency. */ -+ scratch = ar5312_rst_reg_read(AR5312_SCRATCH); -+ if (scratch) -+ return scratch; -+ -+ devid = ar5312_rst_reg_read(AR5312_REV); -+ devid = (devid & AR5312_REV_MAJ) >> AR5312_REV_MAJ_S; -+ if (devid == AR5312_REV_MAJ_AR2313) { -+ predivide_mask = AR2313_CLOCKCTL1_PREDIVIDE_MASK; -+ predivide_shift = AR2313_CLOCKCTL1_PREDIVIDE_SHIFT; -+ multiplier_mask = AR2313_CLOCKCTL1_MULTIPLIER_MASK; -+ multiplier_shift = AR2313_CLOCKCTL1_MULTIPLIER_SHIFT; -+ doubler_mask = AR2313_CLOCKCTL1_DOUBLER_MASK; -+ } else { /* AR5312 and AR2312 */ -+ predivide_mask = AR5312_CLOCKCTL1_PREDIVIDE_MASK; -+ predivide_shift = AR5312_CLOCKCTL1_PREDIVIDE_SHIFT; -+ multiplier_mask = AR5312_CLOCKCTL1_MULTIPLIER_MASK; -+ multiplier_shift = AR5312_CLOCKCTL1_MULTIPLIER_SHIFT; -+ doubler_mask = AR5312_CLOCKCTL1_DOUBLER_MASK; -+ } -+ -+ /* -+ * Clocking is derived from a fixed 40MHz input clock. -+ * -+ * cpu_freq = input_clock * MULT (where MULT is PLL multiplier) -+ * sys_freq = cpu_freq / 4 (used for APB clock, serial, -+ * flash, Timer, Watchdog Timer) -+ * -+ * cnt_freq = cpu_freq / 2 (use for CPU count/compare) -+ * -+ * So, for example, with a PLL multiplier of 5, we have -+ * -+ * cpu_freq = 200MHz -+ * sys_freq = 50MHz -+ * cnt_freq = 100MHz -+ * -+ * We compute the CPU frequency, based on PLL settings. -+ */ -+ -+ clock_ctl1 = ar5312_rst_reg_read(AR5312_CLOCKCTL1); -+ predivide_select = (clock_ctl1 & predivide_mask) >> predivide_shift; -+ predivisor = clockctl1_predivide_table[predivide_select]; -+ multiplier = (clock_ctl1 & multiplier_mask) >> multiplier_shift; -+ -+ if (clock_ctl1 & doubler_mask) -+ multiplier <<= 1; -+ -+ return (40000000 / predivisor) * multiplier; -+} -+ -+static inline unsigned ar5312_sys_frequency(void) -+{ -+ return ar5312_cpu_frequency() / 4; -+} -+ -+void __init ar5312_plat_time_init(void) -+{ -+ mips_hpt_frequency = ar5312_cpu_frequency() / 2; -+} -+ -+void __init ar5312_plat_mem_setup(void) -+{ -+ void __iomem *sdram_base; -+ u32 memsize, memcfg, bank0_ac, bank1_ac; -+ u32 devid; -+ -+ /* Detect memory size */ -+ sdram_base = ioremap_nocache(AR5312_SDRAMCTL_BASE, -+ AR5312_SDRAMCTL_SIZE); -+ memcfg = __raw_readl(sdram_base + AR5312_MEM_CFG1); -+ bank0_ac = ATH25_REG_MS(memcfg, AR5312_MEM_CFG1_AC0); -+ bank1_ac = ATH25_REG_MS(memcfg, AR5312_MEM_CFG1_AC1); -+ memsize = (bank0_ac ? (1 << (bank0_ac + 1)) : 0) + -+ (bank1_ac ? (1 << (bank1_ac + 1)) : 0); -+ memsize <<= 20; -+ add_memory_region(0, memsize, BOOT_MEM_RAM); -+ iounmap(sdram_base); -+ -+ ar5312_rst_base = ioremap_nocache(AR5312_RST_BASE, AR5312_RST_SIZE); -+ -+ devid = ar5312_rst_reg_read(AR5312_REV); -+ devid >>= AR5312_REV_WMAC_MIN_S; -+ devid &= AR5312_REV_CHIP; -+ ath25_board.devid = (u16)devid; -+ -+ /* Clear any lingering AHB errors */ -+ ar5312_rst_reg_read(AR5312_PROCADDR); -+ ar5312_rst_reg_read(AR5312_DMAADDR); -+ ar5312_rst_reg_write(AR5312_WDT_CTRL, AR5312_WDT_CTRL_IGNORE); -+ -+ _machine_restart = ar5312_restart; -+} -+ -+void __init ar5312_arch_init(void) -+{ -+ unsigned irq = irq_create_mapping(ar5312_misc_irq_domain, -+ AR5312_MISC_IRQ_UART0); -+ -+ ath25_serial_setup(AR5312_UART0_BASE, irq, ar5312_sys_frequency()); -+} ---- /dev/null -+++ b/arch/mips/ath25/ar2315.c -@@ -0,0 +1,308 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved. -+ * Copyright (C) 2006 FON Technology, SL. -+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> -+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> -+ * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com> -+ */ -+ -+/* -+ * Platform devices for Atheros AR2315 SoCs -+ */ -+ -+#include <linux/init.h> -+#include <linux/kernel.h> -+#include <linux/bitops.h> -+#include <linux/irqdomain.h> -+#include <linux/interrupt.h> -+#include <linux/platform_device.h> -+#include <linux/reboot.h> -+#include <asm/bootinfo.h> -+#include <asm/reboot.h> -+#include <asm/time.h> -+ -+#include <ath25_platform.h> -+ -+#include "devices.h" -+#include "ar2315.h" -+#include "ar2315_regs.h" -+ -+static void __iomem *ar2315_rst_base; -+static struct irq_domain *ar2315_misc_irq_domain; -+ -+static inline u32 ar2315_rst_reg_read(u32 reg) -+{ -+ return __raw_readl(ar2315_rst_base + reg); -+} -+ -+static inline void ar2315_rst_reg_write(u32 reg, u32 val) -+{ -+ __raw_writel(val, ar2315_rst_base + reg); -+} -+ -+static inline void ar2315_rst_reg_mask(u32 reg, u32 mask, u32 val) -+{ -+ u32 ret = ar2315_rst_reg_read(reg); -+ -+ ret &= ~mask; -+ ret |= val; -+ ar2315_rst_reg_write(reg, ret); -+} -+ -+static irqreturn_t ar2315_ahb_err_handler(int cpl, void *dev_id) -+{ -+ ar2315_rst_reg_write(AR2315_AHB_ERR0, AR2315_AHB_ERROR_DET); -+ ar2315_rst_reg_read(AR2315_AHB_ERR1); -+ -+ pr_emerg("AHB fatal error\n"); -+ machine_restart("AHB error"); /* Catastrophic failure */ -+ -+ return IRQ_HANDLED; -+} -+ -+static struct irqaction ar2315_ahb_err_interrupt = { -+ .handler = ar2315_ahb_err_handler, -+ .name = "ar2315-ahb-error", -+}; -+ -+static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc) -+{ -+ u32 pending = ar2315_rst_reg_read(AR2315_ISR) & -+ ar2315_rst_reg_read(AR2315_IMR); -+ unsigned nr, misc_irq = 0; -+ -+ if (pending) { -+ struct irq_domain *domain = irq_get_handler_data(irq); -+ -+ nr = __ffs(pending); -+ misc_irq = irq_find_mapping(domain, nr); -+ } -+ -+ if (misc_irq) { -+ if (nr == AR2315_MISC_IRQ_GPIO) -+ ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_GPIO); -+ else if (nr == AR2315_MISC_IRQ_WATCHDOG) -+ ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_WD); -+ generic_handle_irq(misc_irq); -+ } else { -+ spurious_interrupt(); -+ } -+} -+ -+static void ar2315_misc_irq_unmask(struct irq_data *d) -+{ -+ ar2315_rst_reg_mask(AR2315_IMR, 0, BIT(d->hwirq)); -+} -+ -+static void ar2315_misc_irq_mask(struct irq_data *d) -+{ -+ ar2315_rst_reg_mask(AR2315_IMR, BIT(d->hwirq), 0); -+} -+ -+static struct irq_chip ar2315_misc_irq_chip = { -+ .name = "ar2315-misc", -+ .irq_unmask = ar2315_misc_irq_unmask, -+ .irq_mask = ar2315_misc_irq_mask, -+}; -+ -+static int ar2315_misc_irq_map(struct irq_domain *d, unsigned irq, -+ irq_hw_number_t hw) -+{ -+ irq_set_chip_and_handler(irq, &ar2315_misc_irq_chip, handle_level_irq); -+ return 0; -+} -+ -+static struct irq_domain_ops ar2315_misc_irq_domain_ops = { -+ .map = ar2315_misc_irq_map, -+}; -+ -+/* -+ * Called when an interrupt is received, this function -+ * determines exactly which interrupt it was, and it -+ * invokes the appropriate handler. -+ * -+ * Implicitly, we also define interrupt priority by -+ * choosing which to dispatch first. -+ */ -+static void ar2315_irq_dispatch(void) -+{ -+ u32 pending = read_c0_status() & read_c0_cause(); -+ -+ if (pending & CAUSEF_IP3) -+ do_IRQ(AR2315_IRQ_WLAN0); -+ else if (pending & CAUSEF_IP2) -+ do_IRQ(AR2315_IRQ_MISC); -+ else if (pending & CAUSEF_IP7) -+ do_IRQ(ATH25_IRQ_CPU_CLOCK); -+ else -+ spurious_interrupt(); -+} -+ -+void __init ar2315_arch_init_irq(void) -+{ -+ struct irq_domain *domain; -+ unsigned irq; -+ -+ ath25_irq_dispatch = ar2315_irq_dispatch; -+ -+ domain = irq_domain_add_linear(NULL, AR2315_MISC_IRQ_COUNT, -+ &ar2315_misc_irq_domain_ops, NULL); -+ if (!domain) -+ panic("Failed to add IRQ domain"); -+ -+ irq = irq_create_mapping(domain, AR2315_MISC_IRQ_AHB); -+ setup_irq(irq, &ar2315_ahb_err_interrupt); -+ -+ irq_set_chained_handler(AR2315_IRQ_MISC, ar2315_misc_irq_handler); -+ irq_set_handler_data(AR2315_IRQ_MISC, domain); -+ -+ ar2315_misc_irq_domain = domain; -+} -+ -+void __init ar2315_init_devices(void) -+{ -+ /* Find board configuration */ -+ ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE); -+ -+ ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0); -+} -+ -+static void ar2315_restart(char *command) -+{ -+ void (*mips_reset_vec)(void) = (void *)0xbfc00000; -+ -+ local_irq_disable(); -+ -+ /* try reset the system via reset control */ -+ ar2315_rst_reg_write(AR2315_COLD_RESET, AR2317_RESET_SYSTEM); -+ -+ /* Cold reset does not work on the AR2315/6, use the GPIO reset bits -+ * a workaround. Give it some time to attempt a gpio based hardware -+ * reset (atheros reference design workaround) */ -+ -+ /* TODO: implement the GPIO reset workaround */ -+ -+ /* Some boards (e.g. Senao EOC-2610) don't implement the reset logic -+ * workaround. Attempt to jump to the mips reset location - -+ * the boot loader itself might be able to recover the system */ -+ mips_reset_vec(); -+} -+ -+/* -+ * This table is indexed by bits 5..4 of the CLOCKCTL1 register -+ * to determine the predevisor value. -+ */ -+static int clockctl1_predivide_table[4] __initdata = { 1, 2, 4, 5 }; -+static int pllc_divide_table[5] __initdata = { 2, 3, 4, 6, 3 }; -+ -+static unsigned __init ar2315_sys_clk(u32 clock_ctl) -+{ -+ unsigned int pllc_ctrl, cpu_div; -+ unsigned int pllc_out, refdiv, fdiv, divby2; -+ unsigned int clk_div; -+ -+ pllc_ctrl = ar2315_rst_reg_read(AR2315_PLLC_CTL); -+ refdiv = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_REF_DIV); -+ refdiv = clockctl1_predivide_table[refdiv]; -+ fdiv = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_FDBACK_DIV); -+ divby2 = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_ADD_FDBACK_DIV) + 1; -+ pllc_out = (40000000 / refdiv) * (2 * divby2) * fdiv; -+ -+ /* clkm input selected */ -+ switch (clock_ctl & AR2315_CPUCLK_CLK_SEL_M) { -+ case 0: -+ case 1: -+ clk_div = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_CLKM_DIV); -+ clk_div = pllc_divide_table[clk_div]; -+ break; -+ case 2: -+ clk_div = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_CLKC_DIV); -+ clk_div = pllc_divide_table[clk_div]; -+ break; -+ default: -+ pllc_out = 40000000; -+ clk_div = 1; -+ break; -+ } -+ -+ cpu_div = ATH25_REG_MS(clock_ctl, AR2315_CPUCLK_CLK_DIV); -+ cpu_div = cpu_div * 2 ?: 1; -+ -+ return pllc_out / (clk_div * cpu_div); -+} -+ -+static inline unsigned ar2315_cpu_frequency(void) -+{ -+ return ar2315_sys_clk(ar2315_rst_reg_read(AR2315_CPUCLK)); -+} -+ -+static inline unsigned ar2315_apb_frequency(void) -+{ -+ return ar2315_sys_clk(ar2315_rst_reg_read(AR2315_AMBACLK)); -+} -+ -+void __init ar2315_plat_time_init(void) -+{ -+ mips_hpt_frequency = ar2315_cpu_frequency() / 2; -+} -+ -+void __init ar2315_plat_mem_setup(void) -+{ -+ void __iomem *sdram_base; -+ u32 memsize, memcfg; -+ u32 devid; -+ u32 config; -+ -+ /* Detect memory size */ -+ sdram_base = ioremap_nocache(AR2315_SDRAMCTL_BASE, -+ AR2315_SDRAMCTL_SIZE); -+ memcfg = __raw_readl(sdram_base + AR2315_MEM_CFG); -+ memsize = 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_DATA_WIDTH); -+ memsize <<= 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_COL_WIDTH); -+ memsize <<= 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_ROW_WIDTH); -+ memsize <<= 3; -+ add_memory_region(0, memsize, BOOT_MEM_RAM); -+ iounmap(sdram_base); -+ -+ ar2315_rst_base = ioremap_nocache(AR2315_RST_BASE, AR2315_RST_SIZE); -+ -+ /* Detect the hardware based on the device ID */ -+ devid = ar2315_rst_reg_read(AR2315_SREV) & AR2315_REV_CHIP; -+ switch (devid) { -+ case 0x91: /* Need to check */ -+ ath25_soc = ATH25_SOC_AR2318; -+ break; -+ case 0x90: -+ ath25_soc = ATH25_SOC_AR2317; -+ break; -+ case 0x87: -+ ath25_soc = ATH25_SOC_AR2316; -+ break; -+ case 0x86: -+ default: -+ ath25_soc = ATH25_SOC_AR2315; -+ break; -+ } -+ ath25_board.devid = devid; -+ -+ /* Clear any lingering AHB errors */ -+ config = read_c0_config(); -+ write_c0_config(config & ~0x3); -+ ar2315_rst_reg_write(AR2315_AHB_ERR0, AR2315_AHB_ERROR_DET); -+ ar2315_rst_reg_read(AR2315_AHB_ERR1); -+ ar2315_rst_reg_write(AR2315_WDT_CTRL, AR2315_WDT_CTRL_IGNORE); -+ -+ _machine_restart = ar2315_restart; -+} -+ -+void __init ar2315_arch_init(void) -+{ -+ unsigned irq = irq_create_mapping(ar2315_misc_irq_domain, -+ AR2315_MISC_IRQ_UART0); -+ -+ ath25_serial_setup(AR2315_UART0_BASE, irq, ar2315_apb_frequency()); -+} ---- /dev/null -+++ b/arch/mips/ath25/ar2315.h -@@ -0,0 +1,22 @@ -+#ifndef __AR2315_H -+#define __AR2315_H -+ -+#ifdef CONFIG_SOC_AR2315 -+ -+void ar2315_arch_init_irq(void); -+void ar2315_init_devices(void); -+void ar2315_plat_time_init(void); -+void ar2315_plat_mem_setup(void); -+void ar2315_arch_init(void); -+ -+#else -+ -+static inline void ar2315_arch_init_irq(void) {} -+static inline void ar2315_init_devices(void) {} -+static inline void ar2315_plat_time_init(void) {} -+static inline void ar2315_plat_mem_setup(void) {} -+static inline void ar2315_arch_init(void) {} -+ -+#endif -+ -+#endif /* __AR2315_H */ ---- /dev/null -+++ b/arch/mips/ath25/ar5312.h -@@ -0,0 +1,22 @@ -+#ifndef __AR5312_H -+#define __AR5312_H -+ -+#ifdef CONFIG_SOC_AR5312 -+ -+void ar5312_arch_init_irq(void); -+void ar5312_init_devices(void); -+void ar5312_plat_time_init(void); -+void ar5312_plat_mem_setup(void); -+void ar5312_arch_init(void); -+ -+#else -+ -+static inline void ar5312_arch_init_irq(void) {} -+static inline void ar5312_init_devices(void) {} -+static inline void ar5312_plat_time_init(void) {} -+static inline void ar5312_plat_mem_setup(void) {} -+static inline void ar5312_arch_init(void) {} -+ -+#endif -+ -+#endif /* __AR5312_H */ ---- /dev/null -+++ b/arch/mips/ath25/devices.h -@@ -0,0 +1,43 @@ -+#ifndef __ATH25_DEVICES_H -+#define __ATH25_DEVICES_H -+ -+#include <linux/cpu.h> -+ -+#define ATH25_REG_MS(_val, _field) (((_val) & _field##_M) >> _field##_S) -+ -+#define ATH25_IRQ_CPU_CLOCK (MIPS_CPU_IRQ_BASE + 7) /* C0_CAUSE: 0x8000 */ -+ -+enum ath25_soc_type { -+ /* handled by ar5312.c */ -+ ATH25_SOC_AR2312, -+ ATH25_SOC_AR2313, -+ ATH25_SOC_AR5312, -+ -+ /* handled by ar2315.c */ -+ ATH25_SOC_AR2315, -+ ATH25_SOC_AR2316, -+ ATH25_SOC_AR2317, -+ ATH25_SOC_AR2318, -+ -+ ATH25_SOC_UNKNOWN -+}; -+ -+extern enum ath25_soc_type ath25_soc; -+extern struct ar231x_board_config ath25_board; -+extern void (*ath25_irq_dispatch)(void); -+ -+int ath25_find_config(phys_addr_t offset, unsigned long size); -+void ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk); -+int ath25_add_wmac(int nr, u32 base, int irq); -+ -+static inline bool is_ar2315(void) -+{ -+ return (current_cpu_data.cputype == CPU_4KEC); -+} -+ -+static inline bool is_ar5312(void) -+{ -+ return !is_ar2315(); -+} -+ -+#endif ---- /dev/null -+++ b/arch/mips/ath25/devices.c -@@ -0,0 +1,125 @@ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/serial_8250.h> -+#include <linux/platform_device.h> -+#include <asm/bootinfo.h> -+ -+#include <ath25_platform.h> -+#include "devices.h" -+#include "ar5312.h" -+#include "ar2315.h" -+ -+struct ar231x_board_config ath25_board; -+enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN; -+ -+static struct resource ath25_wmac0_res[] = { -+ { -+ .name = "wmac0_membase", -+ .flags = IORESOURCE_MEM, -+ }, -+ { -+ .name = "wmac0_irq", -+ .flags = IORESOURCE_IRQ, -+ } -+}; -+ -+static struct resource ath25_wmac1_res[] = { -+ { -+ .name = "wmac1_membase", -+ .flags = IORESOURCE_MEM, -+ }, -+ { -+ .name = "wmac1_irq", -+ .flags = IORESOURCE_IRQ, -+ } -+}; -+ -+static struct platform_device ath25_wmac[] = { -+ { -+ .id = 0, -+ .name = "ar231x-wmac", -+ .resource = ath25_wmac0_res, -+ .num_resources = ARRAY_SIZE(ath25_wmac0_res), -+ .dev.platform_data = &ath25_board, -+ }, -+ { -+ .id = 1, -+ .name = "ar231x-wmac", -+ .resource = ath25_wmac1_res, -+ .num_resources = ARRAY_SIZE(ath25_wmac1_res), -+ .dev.platform_data = &ath25_board, -+ }, -+}; -+ -+static const char * const soc_type_strings[] = { -+ [ATH25_SOC_AR5312] = "Atheros AR5312", -+ [ATH25_SOC_AR2312] = "Atheros AR2312", -+ [ATH25_SOC_AR2313] = "Atheros AR2313", -+ [ATH25_SOC_AR2315] = "Atheros AR2315", -+ [ATH25_SOC_AR2316] = "Atheros AR2316", -+ [ATH25_SOC_AR2317] = "Atheros AR2317", -+ [ATH25_SOC_AR2318] = "Atheros AR2318", -+ [ATH25_SOC_UNKNOWN] = "Atheros (unknown)", -+}; -+ -+const char *get_system_type(void) -+{ -+ if ((ath25_soc >= ARRAY_SIZE(soc_type_strings)) || -+ !soc_type_strings[ath25_soc]) -+ return soc_type_strings[ATH25_SOC_UNKNOWN]; -+ return soc_type_strings[ath25_soc]; -+} -+ -+void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk) -+{ -+ struct uart_port s; -+ -+ memset(&s, 0, sizeof(s)); -+ -+ s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP; -+ s.iotype = UPIO_MEM32; -+ s.irq = irq; -+ s.regshift = 2; -+ s.mapbase = mapbase; -+ s.uartclk = uartclk; -+ -+ early_serial_setup(&s); -+} -+ -+int __init ath25_add_wmac(int nr, u32 base, int irq) -+{ -+ struct resource *res; -+ -+ ath25_wmac[nr].dev.platform_data = &ath25_board; -+ res = &ath25_wmac[nr].resource[0]; -+ res->start = base; -+ res->end = base + 0x10000 - 1; -+ res++; -+ res->start = irq; -+ res->end = irq; -+ return platform_device_register(&ath25_wmac[nr]); -+} -+ -+static int __init ath25_register_devices(void) -+{ -+ if (is_ar5312()) -+ ar5312_init_devices(); -+ else -+ ar2315_init_devices(); -+ -+ return 0; -+} -+ -+device_initcall(ath25_register_devices); -+ -+static int __init ath25_arch_init(void) -+{ -+ if (is_ar5312()) -+ ar5312_arch_init(); -+ else -+ ar2315_arch_init(); -+ -+ return 0; -+} -+ -+arch_initcall(ath25_arch_init); |