diff options
Diffstat (limited to 'target/linux/atheros/patches-3.3/100-board.patch')
| -rw-r--r-- | target/linux/atheros/patches-3.3/100-board.patch | 3160 |
1 files changed, 0 insertions, 3160 deletions
diff --git a/target/linux/atheros/patches-3.3/100-board.patch b/target/linux/atheros/patches-3.3/100-board.patch deleted file mode 100644 index bd00d93..0000000 --- a/target/linux/atheros/patches-3.3/100-board.patch +++ /dev/null @@ -1,3160 +0,0 @@ ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -120,6 +120,19 @@ config BCM63XX - help - Support for BCM63XX based boards - -+config ATHEROS_AR231X -+ bool "Atheros 231x/531x SoC support" -+ select CEVT_R4K -+ select CSRC_R4K -+ select DMA_NONCOHERENT -+ select IRQ_CPU -+ select SYS_HAS_CPU_MIPS32_R1 -+ select SYS_SUPPORTS_BIG_ENDIAN -+ select SYS_SUPPORTS_32BIT_KERNEL -+ select ARCH_REQUIRE_GPIOLIB -+ help -+ Support for AR231x and AR531x based boards -+ - config MIPS_COBALT - bool "Cobalt Server" - select CEVT_R4K -@@ -813,6 +826,7 @@ config NLM_XLP_BOARD - - endchoice - -+source "arch/mips/ar231x/Kconfig" - source "arch/mips/alchemy/Kconfig" - source "arch/mips/ath79/Kconfig" - source "arch/mips/bcm47xx/Kconfig" ---- a/arch/mips/Kbuild.platforms -+++ b/arch/mips/Kbuild.platforms -@@ -6,6 +6,7 @@ platforms += ath79 - platforms += bcm47xx - platforms += bcm63xx - platforms += cavium-octeon -+platforms += ar231x - platforms += cobalt - platforms += dec - platforms += emma ---- /dev/null -+++ b/arch/mips/ar231x/Platform -@@ -0,0 +1,6 @@ -+# -+# Atheros AR5312/AR2312 WiSoC -+# -+platform-$(CONFIG_ATHEROS_AR231X) += ar231x/ -+cflags-$(CONFIG_ATHEROS_AR231X) += -I$(srctree)/arch/mips/include/asm/mach-ar231x -+load-$(CONFIG_ATHEROS_AR231X) += 0xffffffff80041000 ---- /dev/null -+++ b/arch/mips/ar231x/Kconfig -@@ -0,0 +1,16 @@ -+config ATHEROS_AR5312 -+ bool "Atheros 5312/2312+ support" -+ depends on ATHEROS_AR231X -+ default y -+ -+config ATHEROS_AR2315 -+ bool "Atheros 2315+ support" -+ depends on ATHEROS_AR231X -+ select DMA_NONCOHERENT -+ select CEVT_R4K -+ select CSRC_R4K -+ select IRQ_CPU -+ select SYS_HAS_CPU_MIPS32_R1 -+ select SYS_SUPPORTS_32BIT_KERNEL -+ select SYS_SUPPORTS_BIG_ENDIAN -+ default y ---- /dev/null -+++ b/arch/mips/ar231x/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-$(CONFIG_ATHEROS_AR5312) += ar5312.o -+obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o ---- /dev/null -+++ b/arch/mips/ar231x/board.c -@@ -0,0 +1,259 @@ -+/* -+ * 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 <generated/autoconf.h> -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/types.h> -+#include <linux/string.h> -+#include <linux/platform_device.h> -+#include <linux/kernel.h> -+#include <linux/random.h> -+#include <linux/etherdevice.h> -+#include <linux/irq.h> -+#include <asm/irq_cpu.h> -+#include <asm/reboot.h> -+#include <asm/io.h> -+ -+#include <ar231x_platform.h> -+#include "devices.h" -+#include "ar5312.h" -+#include "ar2315.h" -+ -+void (*ar231x_irq_dispatch)(void); -+ -+static inline bool -+check_radio_magic(u8 *addr) -+{ -+ addr += 0x7a; /* offset for flash magic */ -+ if ((addr[0] == 0x5a) && (addr[1] == 0xa5)) { -+ return 1; -+ } -+ return 0; -+} -+ -+static inline bool -+check_board_data(u8 *flash_limit, u8 *addr, bool broken) -+{ -+ /* config magic found */ -+ if (*((u32 *)addr) == AR531X_BD_MAGIC) -+ return 1; -+ -+ if (!broken) -+ return 0; -+ -+ if (check_radio_magic(addr + 0xf8)) -+ ar231x_board.radio = addr + 0xf8; -+ if ((addr < flash_limit + 0x10000) && -+ check_radio_magic(addr + 0x10000)) -+ ar231x_board.radio = addr + 0x10000; -+ -+ if (ar231x_board.radio) { -+ /* broken board data detected, use radio data to find the offset, -+ * user will fix this */ -+ return 1; -+ } -+ return 0; -+} -+ -+static u8 * -+find_board_config(u8 *flash_limit, bool broken) -+{ -+ u8 *addr; -+ int found = 0; -+ -+ for (addr = flash_limit - 0x1000; -+ addr >= flash_limit - 0x30000; -+ addr -= 0x1000) { -+ -+ if (check_board_data(flash_limit, addr, broken)) { -+ found = 1; -+ break; -+ } -+ } -+ -+ if (!found) -+ addr = NULL; -+ -+ return addr; -+} -+ -+static u8 * -+find_radio_config(u8 *flash_limit, u8 *board_config) -+{ -+ int found; -+ u8 *radio_config; -+ -+ /* -+ * 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. -+ */ -+ found = 0; -+ for (radio_config = board_config + 0x1000; -+ (radio_config < flash_limit); -+ radio_config += 0x1000) { -+ if ((*(u32 *)radio_config != 0xffffffff) && -+ check_radio_magic(radio_config)) { -+ found = 1; -+ break; -+ } -+ } -+ -+ /* AR2316 relocates radio config to new location */ -+ if (!found) { -+ for (radio_config = board_config + 0xf8; -+ (radio_config < flash_limit - 0x1000 + 0xf8); -+ radio_config += 0x1000) { -+ if ((*(u32 *)radio_config != 0xffffffff) && -+ check_radio_magic(radio_config)) { -+ found = 1; -+ break; -+ } -+ } -+ } -+ -+ if (!found) { -+ printk("Could not find Radio Configuration data\n"); -+ radio_config = 0; -+ } -+ -+ return (u8 *) radio_config; -+} -+ -+int __init -+ar231x_find_config(u8 *flash_limit) -+{ -+ struct ar231x_boarddata *config; -+ unsigned int rcfg_size; -+ int broken_boarddata = 0; -+ u8 *bcfg, *rcfg; -+ u8 *board_data; -+ u8 *radio_data; -+ u8 *mac_addr; -+ u32 offset; -+ -+ ar231x_board.config = NULL; -+ ar231x_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) { -+ printk(KERN_WARNING "WARNING: No board configuration data found!\n"); -+ return -ENODEV; -+ } -+ -+ board_data = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL); -+ ar231x_board.config = (struct ar231x_boarddata *) board_data; -+ memcpy(board_data, bcfg, 0x100); -+ if (broken_boarddata) { -+ printk(KERN_WARNING "WARNING: broken board data detected\n"); -+ config = ar231x_board.config; -+ if (!memcmp(config->enet0_mac, "\x00\x00\x00\x00\x00\x00", 6)) { -+ printk(KERN_INFO "Fixing up empty mac addresses\n"); -+ config->resetConfigGpio = 0xffff; -+ config->sysLedGpio = 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 */ -+ -+ if (ar231x_board.radio) -+ rcfg = (u8 *) ar231x_board.radio; -+ else -+ rcfg = find_radio_config(flash_limit, bcfg); -+ -+ if (!rcfg) -+ return -ENODEV; -+ -+ radio_data = board_data + 0x100 + ((rcfg - bcfg) & 0xfff); -+ ar231x_board.radio = radio_data; -+ offset = radio_data - board_data; -+ printk(KERN_INFO "Radio config found at offset 0x%x(0x%x)\n", rcfg - bcfg, offset); -+ rcfg_size = BOARD_CONFIG_BUFSZ - offset; -+ memcpy(radio_data, rcfg, rcfg_size); -+ -+ mac_addr = &radio_data[0x1d * 2]; -+ if (is_broadcast_ether_addr(mac_addr)) { -+ printk(KERN_INFO "Radio MAC is blank; using board-data\n"); -+ memcpy(mac_addr, ar231x_board.config->wlan0_mac, ETH_ALEN); -+ } -+ -+ return 0; -+} -+ -+static void -+ar231x_halt(void) -+{ -+ local_irq_disable(); -+ while (1); -+} -+ -+void __init -+plat_mem_setup(void) -+{ -+ _machine_halt = ar231x_halt; -+ pm_power_off = ar231x_halt; -+ -+ ar5312_plat_setup(); -+ ar2315_plat_setup(); -+ -+ /* Disable data watchpoints */ -+ write_c0_watchlo0(0); -+} -+ -+ -+asmlinkage void -+plat_irq_dispatch(void) -+{ -+ ar231x_irq_dispatch(); -+} -+ -+void __init -+plat_time_init(void) -+{ -+ ar5312_time_init(); -+ ar2315_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 */ -+ ar5312_irq_init(); -+ ar2315_irq_init(); -+} -+ -+ ---- /dev/null -+++ b/arch/mips/ar231x/prom.c -@@ -0,0 +1,37 @@ -+/* -+ * 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 ar531x -+ */ -+ -+#include <linux/init.h> -+#include <generated/autoconf.h> -+#include <linux/kernel.h> -+#include <linux/string.h> -+#include <linux/mm.h> -+#include <linux/bootmem.h> -+ -+#include <asm/bootinfo.h> -+#include <asm/addrspace.h> -+#include "ar5312.h" -+#include "ar2315.h" -+ -+void __init prom_init(void) -+{ -+ ar5312_prom_init(); -+ ar2315_prom_init(); -+} -+ -+void __init prom_free_prom_memory(void) -+{ -+} ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/ar231x_platform.h -@@ -0,0 +1,83 @@ -+#ifndef __AR531X_PLATFORM_H -+#define __AR531X_PLATFORM_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 ar231x_boarddata { -+ u32 magic; /* board data is valid */ -+#define AR531X_BD_MAGIC 0x35333131 /* "5311", for all 531x platforms */ -+ u16 cksum; /* checksum (starting with BD_REV 2) */ -+ u16 rev; /* revision of this struct */ -+#define BD_REV 4 -+ char boardName[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 @ memCap 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 resetConfigGpio; /* Reset factory GPIO pin */ -+ u16 sysLedGpio; /* System LED GPIO pin */ -+ -+ u32 cpuFreq; /* CPU core frequency in Hz */ -+ u32 sysFreq; /* System frequency in Hz */ -+ u32 cntFreq; /* Calculated C0_COUNT frequency */ -+ -+ u8 wlan0_mac[6]; -+ u8 enet0_mac[6]; -+ u8 enet1_mac[6]; -+ -+ u16 pciId; /* Pseudo PCIID for common code */ -+ u16 memCap; /* cap bank1 in MB */ -+ -+ /* version 3 */ -+ u8 wlan1_mac[6]; /* (ar5212) */ -+}; -+ -+#define BOARD_CONFIG_BUFSZ 0x1000 -+ -+/* -+ * Platform device information for the Wireless MAC -+ */ -+struct ar231x_board_config { -+ u16 devid; -+ -+ /* board config data */ -+ struct ar231x_boarddata *config; -+ -+ /* radio calibration data */ -+ const char *radio; -+}; -+ -+/* -+ * Platform device information for the Ethernet MAC -+ */ -+struct ar231x_eth { -+ u32 reset_base; -+ u32 reset_mac; -+ u32 reset_phy; -+ u32 phy_base; -+ struct ar231x_board_config *config; -+ char *macaddr; -+}; -+ -+#endif /* __AR531X_PLATFORM_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/cpu-feature-overrides.h -@@ -0,0 +1,84 @@ -+/* -+ * Atheros 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_ATHEROS_CPU_FEATURE_OVERRIDES_H -+#define __ASM_MACH_ATHEROS_CPU_FEATURE_OVERRIDES_H -+ -+/* -+ * The ATHEROS 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_watch ? */ -+/* #define cpu_has_divec ? */ -+/* #define cpu_has_vce ? */ -+/* #define cpu_has_cache_cdex_p ? */ -+/* #define cpu_has_cache_cdex_s ? */ -+/* #define cpu_has_prefetch ? */ -+/* #define cpu_has_mcheck ? */ -+#define cpu_has_ejtag 1 -+ -+#if !defined(CONFIG_ATHEROS_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_vtag_icache ? */ -+/* #define cpu_has_dc_aliases ? */ -+/* #define cpu_has_ic_fills_f_dc ? */ -+/* #define cpu_has_pindexed_dcache ? */ -+ -+/* #define cpu_icache_snoops_remote_store ? */ -+ -+#define cpu_has_mips32r1 1 -+ -+#if !defined(CONFIG_ATHEROS_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_nofpuex ? */ -+#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 -+ -+/* #define cpu_has_inclusive_pcaches ? */ -+ -+/* #define cpu_dcache_line_size() ? */ -+/* #define cpu_icache_line_size() ? */ -+ -+#endif /* __ASM_MACH_ATHEROS_CPU_FEATURE_OVERRIDES_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/dma-coherence.h -@@ -0,0 +1,76 @@ -+/* -+ * 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_GENERIC_DMA_COHERENCE_H -+#define __ASM_MACH_GENERIC_DMA_COHERENCE_H -+ -+#define PCI_DMA_OFFSET 0x20000000 -+ -+#include <linux/device.h> -+ -+static inline dma_addr_t ar231x_dev_offset(struct device *dev) -+{ -+#ifdef CONFIG_PCI -+ extern struct bus_type pci_bus_type; -+ -+ if (dev && dev->bus == &pci_bus_type) -+ return PCI_DMA_OFFSET; -+ else -+#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) + ar231x_dev_offset(dev); -+} -+ -+static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page) -+{ -+ return page_to_phys(page) + ar231x_dev_offset(dev); -+} -+ -+static inline unsigned long plat_dma_addr_to_phys(struct device *dev, -+ dma_addr_t dma_addr) -+{ -+ return dma_addr - ar231x_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) -+{ -+ return; -+} -+ -+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_GENERIC_DMA_COHERENCE_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/gpio.h -@@ -0,0 +1,28 @@ -+#ifndef _ATHEROS_GPIO_H_ -+#define _ATHEROS_GPIO_H_ -+ -+#include <ar231x.h> -+ -+#define gpio_get_value __gpio_get_value -+#define gpio_set_value __gpio_set_value -+#define gpio_cansleep __gpio_cansleep -+ -+/* -+ * Wrappers for the generic GPIO layer -+ */ -+ -+/* not sure if these are used? */ -+ -+/* Returns IRQ to attach for gpio. Unchecked function */ -+static inline int gpio_to_irq(unsigned gpio) { -+ return AR531X_GPIO_IRQ(gpio); -+} -+ -+/* Returns gpio for IRQ attached. Unchecked function */ -+static inline int irq_to_gpio(unsigned irq) { -+ return (irq - (AR531X_GPIO_IRQ(0))); -+} -+ -+#include <asm-generic/gpio.h> /* cansleep wrappers */ -+ -+#endif ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/reset.h -@@ -0,0 +1,6 @@ -+#ifndef __AR531X_RESET_H -+#define __AR531X_RESET_H -+ -+void ar531x_disable_reset_button(void); -+ -+#endif /* __AR531X_RESET_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/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_MIPS_MACH_ATHEROS_WAR_H -+#define __ASM_MIPS_MACH_ATHEROS_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_MIPS_MACH_ATHEROS_WAR_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/ar2315_regs.h -@@ -0,0 +1,580 @@ -+/* -+ * 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 __AR2315_REG_H -+#define __AR2315_REG_H -+ -+/* -+ * IRQs -+ */ -+#define AR2315_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */ -+#define AR2315_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */ -+#define AR2315_IRQ_ENET0_INTRS 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 */ -+ -+/* -+ * Address map -+ */ -+#define AR2315_SPI_READ 0x08000000 /* SPI FLASH */ -+#define AR2315_WLAN0 0x10000000 /* Wireless MMR */ -+#define AR2315_PCI 0x10100000 /* PCI MMR */ -+#define AR2315_SDRAMCTL 0x10300000 /* SDRAM MMR */ -+#define AR2315_LOCAL 0x10400000 /* LOCAL BUS MMR */ -+#define AR2315_ENET0 0x10500000 /* ETHERNET MMR */ -+#define AR2315_DSLBASE 0x11000000 /* RESET CONTROL MMR */ -+#define AR2315_UART0 0x11100003 /* UART MMR */ -+#define AR2315_SPI 0x11300000 /* SPI FLASH MMR */ -+#define AR2315_PCIEXT 0x80000000 /* pci external */ -+ -+/* -+ * Reset Register -+ */ -+#define AR2315_COLD_RESET (AR2315_DSLBASE + 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 -+ -+ -+#define AR2315_RESET (AR2315_DSLBASE + 0x0004) -+ -+#define AR2315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */ -+#define AR2315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BaseBand */ -+#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 memory controller */ -+#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 interface */ -+#define AR2315_RESET_UART0 0x00000100 /* warm reset UART0 */ -+#define AR2315_RESET_IR_RSVD 0x00000200 /* warm reset IR interface */ -+#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 (AR2315_DSLBASE + 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 */ -+#define AR2315_ARB_PCI 0x00000010 /* PCI */ -+#define AR2315_ARB_ETHERNET 0x00000020 /* Ethernet */ -+#define AR2315_ARB_RETRY 0x00000100 /* retry policy, debug only */ -+ -+/* -+ * Config Register -+ */ -+#define AR2315_ENDIAN_CTL (AR2315_DSLBASE + 0x000c) -+ -+#define AR2315_CONFIG_AHB 0x00000001 /* EC - AHB bridge endianess */ -+#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 /* Memory controller endianess */ -+#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_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 -+#define AR2315_CONFIG_BIG 0x00000400 -+ -+ -+/* -+ * NMI control -+ */ -+#define AR2315_NMI_CTL (AR2315_DSLBASE + 0x0010) -+ -+#define AR2315_NMI_EN 1 -+ -+/* -+ * Revision Register - Initial value is 0x3010 (WMAC 3.0, AR531X 1.0). -+ */ -+#define AR2315_SREV (AR2315_DSLBASE + 0x0014) -+ -+#define AR2315_REV_MAJ 0x00f0 -+#define AR2315_REV_MAJ_S 4 -+#define AR2315_REV_MIN 0x000f -+#define AR2315_REV_MIN_S 0 -+#define AR2315_REV_CHIP (AR2315_REV_MAJ|AR2315_REV_MIN) -+ -+/* -+ * Interface Enable -+ */ -+#define AR2315_IF_CTL (AR2315_DSLBASE + 0x0018) -+ -+#define AR2315_IF_MASK 0x00000007 -+#define AR2315_IF_DISABLED 0 -+#define AR2315_IF_PCI 1 -+#define AR2315_IF_TS_LOCAL 2 -+#define AR2315_IF_ALL 3 /* only for emulation with separate pins */ -+#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 (AR2315_DSLBASE + 0x0020) -+#define AR2315_IMR (AR2315_DSLBASE + 0x0024) -+#define AR2315_GISR (AR2315_DSLBASE + 0x0028) -+ -+#define AR2315_ISR_UART0 0x0001 /* high speed UART */ -+#define AR2315_ISR_I2C_RSVD 0x0002 /* I2C bus */ -+#define AR2315_ISR_SPI 0x0004 /* SPI bus */ -+#define AR2315_ISR_AHB 0x0008 /* AHB error */ -+#define AR2315_ISR_APB 0x0010 /* APB error */ -+#define AR2315_ISR_TIMER 0x0020 /* timer */ -+#define AR2315_ISR_GPIO 0x0040 /* GPIO */ -+#define AR2315_ISR_WD 0x0080 /* watchdog */ -+#define AR2315_ISR_IR_RSVD 0x0100 /* IR */ -+ -+#define AR2315_GISR_MISC 0x0001 -+#define AR2315_GISR_WLAN0 0x0002 -+#define AR2315_GISR_MPEGTS_RSVD 0x0004 -+#define AR2315_GISR_LOCALPCI 0x0008 -+#define AR2315_GISR_WMACPOLL 0x0010 -+#define AR2315_GISR_TIMER 0x0020 -+#define AR2315_GISR_ETHERNET 0x0040 -+ -+/* -+ * Interrupt routing from IO to the processor IP bits -+ * Define our inter mask and level -+ */ -+#define AR2315_INTR_MISCIO SR_IBIT3 -+#define AR2315_INTR_WLAN0 SR_IBIT4 -+#define AR2315_INTR_ENET0 SR_IBIT5 -+#define AR2315_INTR_LOCALPCI SR_IBIT6 -+#define AR2315_INTR_WMACPOLL SR_IBIT7 -+#define AR2315_INTR_COMPARE SR_IBIT8 -+ -+/* -+ * Timers -+ */ -+#define AR2315_TIMER (AR2315_DSLBASE + 0x0030) -+#define AR2315_RELOAD (AR2315_DSLBASE + 0x0034) -+#define AR2315_WD (AR2315_DSLBASE + 0x0038) -+#define AR2315_WDC (AR2315_DSLBASE + 0x003c) -+ -+#define AR2315_WDC_IGNORE_EXPIRATION 0x00000000 -+#define AR2315_WDC_NMI 0x00000001 /* NMI on watchdog */ -+#define AR2315_WDC_RESET 0x00000002 /* reset on watchdog */ -+ -+/* -+ * CPU Performance Counters -+ */ -+#define AR2315_PERFCNT0 (AR2315_DSLBASE + 0x0048) -+#define AR2315_PERFCNT1 (AR2315_DSLBASE + 0x004c) -+ -+#define AR2315_PERF0_DATAHIT 0x0001 /* Count Data Cache Hits */ -+#define AR2315_PERF0_DATAMISS 0x0002 /* Count Data Cache Misses */ -+#define AR2315_PERF0_INSTHIT 0x0004 /* Count Instruction Cache Hits */ -+#define AR2315_PERF0_INSTMISS 0x0008 /* Count Instruction Cache Misses */ -+#define AR2315_PERF0_ACTIVE 0x0010 /* Count Active Processor Cycles */ -+#define AR2315_PERF0_WBHIT 0x0020 /* Count CPU Write Buffer Hits */ -+#define AR2315_PERF0_WBMISS 0x0040 /* Count CPU Write Buffer Misses */ -+ -+#define AR2315_PERF1_EB_ARDY 0x0001 /* Count EB_ARdy signal */ -+#define AR2315_PERF1_EB_AVALID 0x0002 /* Count EB_AValid signal */ -+#define AR2315_PERF1_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */ -+#define AR2315_PERF1_EB_RDVAL 0x0008 /* Count EB_RdVal signal */ -+#define AR2315_PERF1_VRADDR 0x0010 /* Count valid read address cycles */ -+#define AR2315_PERF1_VWADDR 0x0020 /* Count valid write address cycles */ -+#define AR2315_PERF1_VWDATA 0x0040 /* Count valid write data cycles */ -+ -+/* -+ * AHB Error Reporting. -+ */ -+#define AR2315_AHB_ERR0 (AR2315_DSLBASE + 0x0050) /* error */ -+#define AR2315_AHB_ERR1 (AR2315_DSLBASE + 0x0054) /* haddr */ -+#define AR2315_AHB_ERR2 (AR2315_DSLBASE + 0x0058) /* hwdata */ -+#define AR2315_AHB_ERR3 (AR2315_DSLBASE + 0x005c) /* hrdata */ -+#define AR2315_AHB_ERR4 (AR2315_DSLBASE + 0x0060) /* status */ -+ -+#define AHB_ERROR_DET 1 /* AHB Error has been detected, */ -+ /* write 1 to clear all bits in ERR0 */ -+#define AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */ -+#define 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 (AR2315_DSLBASE + 0x0064) -+#define AR2315_PLLV_CTL (AR2315_DSLBASE + 0x0068) -+#define AR2315_CPUCLK (AR2315_DSLBASE + 0x006c) -+#define AR2315_AMBACLK (AR2315_DSLBASE + 0x0070) -+#define AR2315_SYNCCLK (AR2315_DSLBASE + 0x0074) -+#define AR2315_DSL_SLEEP_CTL (AR2315_DSLBASE + 0x0080) -+#define AR2315_DSL_SLEEP_DUR (AR2315_DSLBASE + 0x0084) -+ -+/* PLLc Control fields */ -+#define PLLC_REF_DIV_M 0x00000003 -+#define PLLC_REF_DIV_S 0 -+#define PLLC_FDBACK_DIV_M 0x0000007C -+#define PLLC_FDBACK_DIV_S 2 -+#define PLLC_ADD_FDBACK_DIV_M 0x00000080 -+#define PLLC_ADD_FDBACK_DIV_S 7 -+#define PLLC_CLKC_DIV_M 0x0001c000 -+#define PLLC_CLKC_DIV_S 14 -+#define PLLC_CLKM_DIV_M 0x00700000 -+#define PLLC_CLKM_DIV_S 20 -+ -+/* CPU CLK Control fields */ -+#define CPUCLK_CLK_SEL_M 0x00000003 -+#define CPUCLK_CLK_SEL_S 0 -+#define CPUCLK_CLK_DIV_M 0x0000000c -+#define CPUCLK_CLK_DIV_S 2 -+ -+/* AMBA CLK Control fields */ -+#define AMBACLK_CLK_SEL_M 0x00000003 -+#define AMBACLK_CLK_SEL_S 0 -+#define AMBACLK_CLK_DIV_M 0x0000000c -+#define AMBACLK_CLK_DIV_S 2 -+ -+/* -+ * GPIO -+ */ -+#define AR2315_GPIO_DI (AR2315_DSLBASE + 0x0088) -+#define AR2315_GPIO_DO (AR2315_DSLBASE + 0x0090) -+#define AR2315_GPIO_CR (AR2315_DSLBASE + 0x0098) -+#define AR2315_GPIO_INT (AR2315_DSLBASE + 0x00a0) -+ -+#define AR2315_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */ -+#define AR2315_GPIO_CR_O(x) (1 << (x)) /* output */ -+#define AR2315_GPIO_CR_I(x) (0) /* input */ -+ -+#define AR2315_GPIO_INT_S(x) (x) /* interrupt enable */ -+#define AR2315_GPIO_INT_M (0x3F) /* mask for int */ -+#define AR2315_GPIO_INT_LVL(x) ((x) << 6) /* interrupt level */ -+#define AR2315_GPIO_INT_LVL_M ((0x3) << 6) /* mask for int level */ -+ -+#define AR2315_GPIO_INT_MAX_Y 1 /* Maximum value of Y for AR5313_GPIO_INT_* macros */ -+#define AR2315_GPIO_INT_LVL_OFF 0 /* Triggerring off */ -+#define AR2315_GPIO_INT_LVL_LOW 1 /* Low Level Triggered */ -+#define AR2315_GPIO_INT_LVL_HIGH 2 /* High Level Triggered */ -+#define AR2315_GPIO_INT_LVL_EDGE 3 /* Edge Triggered */ -+ -+#define AR2315_RESET_GPIO 5 -+#define AR2315_NUM_GPIO 22 -+ -+/* -+ * PCI Clock Control -+ */ -+#define AR2315_PCICLK (AR2315_DSLBASE + 0x00a4) -+ -+#define AR2315_PCICLK_INPUT_M 0x3 -+#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 0xc -+#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 (AR2315_DSLBASE + 0x00b0) -+#define OCR_GPIO0_IRIN 0x0040 -+#define OCR_GPIO1_IROUT 0x0080 -+#define OCR_GPIO3_RXCLR 0x0200 -+ -+/* -+ * General Clock Control -+ */ -+ -+#define AR2315_MISCCLK (AR2315_DSLBASE + 0x00b4) -+#define MISCCLK_PLLBYPASS_EN 0x00000001 -+#define MISCCLK_PROCREFCLK 0x00000002 -+ -+/* -+ * SDRAM Controller -+ * - No read or write buffers are included. -+ */ -+#define AR2315_MEM_CFG (AR2315_SDRAMCTL + 0x00) -+#define AR2315_MEM_CTRL (AR2315_SDRAMCTL + 0x0c) -+#define AR2315_MEM_REF (AR2315_SDRAMCTL + 0x10) -+ -+#define SDRAM_DATA_WIDTH_M 0x00006000 -+#define SDRAM_DATA_WIDTH_S 13 -+ -+#define SDRAM_COL_WIDTH_M 0x00001E00 -+#define SDRAM_COL_WIDTH_S 9 -+ -+#define SDRAM_ROW_WIDTH_M 0x000001E0 -+#define SDRAM_ROW_WIDTH_S 5 -+ -+#define SDRAM_BANKADDR_BITS_M 0x00000018 -+#define SDRAM_BANKADDR_BITS_S 3 -+ -+/* -+ * SPI Flash Interface Registers -+ */ -+ -+#define AR2315_SPI_CTL (AR2315_SPI + 0x00) -+#define AR2315_SPI_OPCODE (AR2315_SPI + 0x04) -+#define AR2315_SPI_DATA (AR2315_SPI + 0x08) -+ -+#define SPI_CTL_START 0x00000100 -+#define SPI_CTL_BUSY 0x00010000 -+#define SPI_CTL_TXCNT_MASK 0x0000000f -+#define SPI_CTL_RXCNT_MASK 0x000000f0 -+#define SPI_CTL_TX_RX_CNT_MASK 0x000000ff -+#define SPI_CTL_SIZE_MASK 0x00060000 -+ -+#define SPI_CTL_CLK_SEL_MASK 0x03000000 -+#define SPI_OPCODE_MASK 0x000000ff -+ -+/* -+ * PCI Bus Interface Registers -+ */ -+#define AR2315_PCI_1MS_REG (AR2315_PCI + 0x0008) -+#define AR2315_PCI_1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */ -+ -+#define AR2315_PCI_MISC_CONFIG (AR2315_PCI + 0x000c) -+#define AR2315_PCIMISC_TXD_EN 0x00000001 /* Enable TXD for fragments */ -+#define AR2315_PCIMISC_CFG_SEL 0x00000002 /* mem or config cycles */ -+#define AR2315_PCIMISC_GIG_MASK 0x0000000C /* bits 31-30 for pci req */ -+#define AR2315_PCIMISC_RST_MODE 0x00000030 -+#define AR2315_PCIRST_INPUT 0x00000000 /* 4:5=0 rst is input */ -+#define AR2315_PCIRST_LOW 0x00000010 /* 4:5=1 rst to GND */ -+#define AR2315_PCIRST_HIGH 0x00000020 /* 4:5=2 rst to VDD */ -+#define AR2315_PCIGRANT_EN 0x00000000 /* 6:7=0 early grant en */ -+#define AR2315_PCIGRANT_FRAME 0x00000040 /* 6:7=1 grant waits 4 frame */ -+#define AR2315_PCIGRANT_IDLE 0x00000080 /* 6:7=2 grant waits 4 idle */ -+#define AR2315_PCIGRANT_GAP 0x00000000 /* 6:7=2 grant waits 4 idle */ -+#define AR2315_PCICACHE_DIS 0x00001000 /* PCI external access cache disable */ -+ -+#define AR2315_PCI_OUT_TSTAMP (AR2315_PCI + 0x0010) -+ -+#define AR2315_PCI_UNCACHE_CFG (AR2315_PCI + 0x0014) -+ -+#define AR2315_PCI_IN_EN (AR2315_PCI + 0x0100) -+#define AR2315_PCI_IN_EN0 0x01 /* Enable chain 0 */ -+#define AR2315_PCI_IN_EN1 0x02 /* Enable chain 1 */ -+#define AR2315_PCI_IN_EN2 0x04 /* Enable chain 2 */ -+#define AR2315_PCI_IN_EN3 0x08 /* Enable chain 3 */ -+ -+#define AR2315_PCI_IN_DIS (AR2315_PCI + 0x0104) -+#define AR2315_PCI_IN_DIS0 0x01 /* Disable chain 0 */ -+#define AR2315_PCI_IN_DIS1 0x02 /* Disable chain 1 */ -+#define AR2315_PCI_IN_DIS2 0x04 /* Disable chain 2 */ -+#define AR2315_PCI_IN_DIS3 0x08 /* Disable chain 3 */ -+ -+#define AR2315_PCI_IN_PTR (AR2315_PCI + 0x0200) -+ -+#define AR2315_PCI_OUT_EN (AR2315_PCI + 0x0400) -+#define AR2315_PCI_OUT_EN0 0x01 /* Enable chain 0 */ -+ -+#define AR2315_PCI_OUT_DIS (AR2315_PCI + 0x0404) -+#define AR2315_PCI_OUT_DIS0 0x01 /* Disable chain 0 */ -+ -+#define AR2315_PCI_OUT_PTR (AR2315_PCI + 0x0408) -+ -+#define AR2315_PCI_INT_STATUS (AR2315_PCI + 0x0500) /* write one to clr */ -+#define AR2315_PCI_TXINT 0x00000001 /* Desc In Completed */ -+#define AR2315_PCI_TXOK 0x00000002 /* Desc In OK */ -+#define AR2315_PCI_TXERR 0x00000004 /* Desc In ERR */ -+#define AR2315_PCI_TXEOL 0x00000008 /* Desc In End-of-List */ -+#define AR2315_PCI_RXINT 0x00000010 /* Desc Out Completed */ -+#define AR2315_PCI_RXOK 0x00000020 /* Desc Out OK */ -+#define AR2315_PCI_RXERR 0x00000040 /* Desc Out ERR */ -+#define AR2315_PCI_RXEOL 0x00000080 /* Desc Out EOL */ -+#define AR2315_PCI_TXOOD 0x00000200 /* Desc In Out-of-Desc */ -+#define AR2315_PCI_MASK 0x0000FFFF /* Desc Mask */ -+#define AR2315_PCI_EXT_INT 0x02000000 -+#define AR2315_PCI_ABORT_INT 0x04000000 -+ -+#define AR2315_PCI_INT_MASK (AR2315_PCI + 0x0504) /* same as INT_STATUS */ -+ -+#define AR2315_PCI_INTEN_REG (AR2315_PCI + 0x0508) -+#define AR2315_PCI_INT_DISABLE 0x00 /* disable pci interrupts */ -+#define AR2315_PCI_INT_ENABLE 0x01 /* enable pci interrupts */ -+ -+#define AR2315_PCI_HOST_IN_EN (AR2315_PCI + 0x0800) -+#define AR2315_PCI_HOST_IN_DIS (AR2315_PCI + 0x0804) -+#define AR2315_PCI_HOST_IN_PTR (AR2315_PCI + 0x0810) -+#define AR2315_PCI_HOST_OUT_EN (AR2315_PCI + 0x0900) -+#define AR2315_PCI_HOST_OUT_DIS (AR2315_PCI + 0x0904) -+#define AR2315_PCI_HOST_OUT_PTR (AR2315_PCI + 0x0908) -+ -+ -+/* -+ * Local Bus Interface Registers -+ */ -+#define AR2315_LB_CONFIG (AR2315_LOCAL + 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 (AR2315_LOCAL + 0x0004) -+#define AR2315_LBCLK_EXT 0x0001 /* use external clk for lb */ -+ -+#define AR2315_LB_1MS (AR2315_LOCAL + 0x0008) -+#define AR2315_LB1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */ -+ -+#define AR2315_LB_MISCCFG (AR2315_LOCAL + 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_MASK 0x00FFFF80 -+#define AR2315_LBM_TIMEOUT_SHFT 7 -+#define AR2315_LBM_PORTMUX 0x07000000 -+ -+ -+#define AR2315_LB_RXTSOFF (AR2315_LOCAL + 0x0010) -+ -+#define AR2315_LB_TX_CHAIN_EN (AR2315_LOCAL + 0x0100) -+#define AR2315_LB_TXEN_0 0x01 -+#define AR2315_LB_TXEN_1 0x02 -+#define AR2315_LB_TXEN_2 0x04 -+#define AR2315_LB_TXEN_3 0x08 -+ -+#define AR2315_LB_TX_CHAIN_DIS (AR2315_LOCAL + 0x0104) -+#define AR2315_LB_TX_DESC_PTR (AR2315_LOCAL + 0x0200) -+ -+#define AR2315_LB_RX_CHAIN_EN (AR2315_LOCAL + 0x0400) -+#define AR2315_LB_RXEN 0x01 -+ -+#define AR2315_LB_RX_CHAIN_DIS (AR2315_LOCAL + 0x0404) -+#define AR2315_LB_RX_DESC_PTR (AR2315_LOCAL + 0x0408) -+ -+#define AR2315_LB_INT_STATUS (AR2315_LOCAL + 0x0500) -+#define AR2315_INT_TX_DESC 0x0001 -+#define AR2315_INT_TX_OK 0x0002 -+#define AR2315_INT_TX_ERR 0x0004 -+#define AR2315_INT_TX_EOF 0x0008 -+#define AR2315_INT_RX_DESC 0x0010 -+#define AR2315_INT_RX_OK 0x0020 -+#define AR2315_INT_RX_ERR 0x0040 -+#define AR2315_INT_RX_EOF 0x0080 -+#define AR2315_INT_TX_TRUNC 0x0100 -+#define AR2315_INT_TX_STARVE 0x0200 -+#define AR2315_INT_LB_TIMEOUT 0x0400 -+#define AR2315_INT_LB_ERR 0x0800 -+#define AR2315_INT_MBOX_WR 0x1000 -+#define AR2315_INT_MBOX_RD 0x2000 -+ -+/* Bit definitions for INT MASK are the same as INT_STATUS */ -+#define AR2315_LB_INT_MASK (AR2315_LOCAL + 0x0504) -+ -+#define AR2315_LB_INT_EN (AR2315_LOCAL + 0x0508) -+#define AR2315_LB_MBOX (AR2315_LOCAL + 0x0600) -+ -+/* -+ * IR Interface Registers -+ */ -+#define AR2315_IR_PKTDATA (AR2315_IR + 0x0000) -+ -+#define AR2315_IR_PKTLEN (AR2315_IR + 0x07fc) /* 0 - 63 */ -+ -+#define AR2315_IR_CONTROL (AR2315_IR + 0x0800) -+#define AR2315_IRCTL_TX 0x00000000 /* use as tranmitter */ -+#define AR2315_IRCTL_RX 0x00000001 /* use as receiver */ -+#define AR2315_IRCTL_SAMPLECLK_MASK 0x00003ffe /* Sample clk divisor mask */ -+#define AR2315_IRCTL_SAMPLECLK_SHFT 1 -+#define AR2315_IRCTL_OUTPUTCLK_MASK 0x03ffc000 /* Output clk divisor mask */ -+#define AR2315_IRCTL_OUTPUTCLK_SHFT 14 -+ -+#define AR2315_IR_STATUS (AR2315_IR + 0x0804) -+#define AR2315_IRSTS_RX 0x00000001 /* receive in progress */ -+#define AR2315_IRSTS_TX 0x00000002 /* transmit in progress */ -+ -+#define AR2315_IR_CONFIG (AR2315_IR + 0x0808) -+#define AR2315_IRCFG_INVIN 0x00000001 /* invert input polarity */ -+#define AR2315_IRCFG_INVOUT 0x00000002 /* invert output polarity */ -+#define AR2315_IRCFG_SEQ_START_WIN_SEL 0x00000004 /* 1 => 28, 0 => 7 */ -+#define AR2315_IRCFG_SEQ_START_THRESH 0x000000f0 /* */ -+#define AR2315_IRCFG_SEQ_END_UNIT_SEL 0x00000100 /* */ -+#define AR2315_IRCFG_SEQ_END_UNIT_THRESH 0x00007e00 /* */ -+#define AR2315_IRCFG_SEQ_END_WIN_SEL 0x00008000 /* */ -+#define AR2315_IRCFG_SEQ_END_WIN_THRESH 0x001f0000 /* */ -+#define AR2315_IRCFG_NUM_BACKOFF_WORDS 0x01e00000 /* */ -+ -+#define HOST_PCI_DEV_ID 3 -+#define HOST_PCI_MBAR0 0x10000000 -+#define HOST_PCI_MBAR1 0x20000000 -+#define HOST_PCI_MBAR2 0x30000000 -+ -+#define HOST_PCI_SDRAM_BASEADDR HOST_PCI_MBAR1 -+#define PCI_DEVICE_MEM_SPACE 0x800000 -+ -+#endif /* __AR2315_REG_H */ ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/ar5312_regs.h -@@ -0,0 +1,232 @@ -+/* -+ * 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 AR5312_H -+#define AR5312_H -+ -+#include <asm/addrspace.h> -+ -+/* -+ * IRQs -+ */ -+ -+#define AR5312_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */ -+#define AR5312_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */ -+#define AR5312_IRQ_ENET1_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */ -+#define AR5312_IRQ_WLAN1_INTRS MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */ -+#define AR5312_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */ -+ -+ -+/* Address Map */ -+#define AR531X_WLAN0 0x18000000 -+#define AR531X_WLAN1 0x18500000 -+#define AR531X_ENET0 0x18100000 -+#define AR531X_ENET1 0x18200000 -+#define AR531X_SDRAMCTL 0x18300000 -+#define AR531X_FLASHCTL 0x18400000 -+#define AR531X_APBBASE 0x1c000000 -+#define AR531X_FLASH 0x1e000000 -+#define AR531X_UART0 0xbc000003 /* UART MMR */ -+ -+/* -+ * AR531X_NUM_ENET_MAC defines the number of ethernet MACs that -+ * should be considered available. 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 AR531X_NUM_ENET_MAC 2 -+ -+/* -+ * Need these defines to determine true number of ethernet MACs -+ */ -+#define AR5212_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */ -+#define AR5212_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */ -+#define AR5212_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */ -+ -+/* -+ * AR531X_NUM_WMAC defines the number of Wireless MACs that\ -+ * should be considered available. -+ */ -+#define AR531X_NUM_WMAC 2 -+ -+/* Reset/Timer Block Address Map */ -+#define AR531X_RESETTMR (AR531X_APBBASE + 0x3000) -+#define AR531X_TIMER (AR531X_RESETTMR + 0x0000) /* countdown timer */ -+#define AR531X_WD_CTRL (AR531X_RESETTMR + 0x0008) /* watchdog cntrl */ -+#define AR531X_WD_TIMER (AR531X_RESETTMR + 0x000c) /* watchdog timer */ -+#define AR531X_ISR (AR531X_RESETTMR + 0x0010) /* Intr Status Reg */ -+#define AR531X_IMR (AR531X_RESETTMR + 0x0014) /* Intr Mask Reg */ -+#define AR531X_RESET (AR531X_RESETTMR + 0x0020) -+#define AR5312_CLOCKCTL1 (AR531X_RESETTMR + 0x0064) -+#define AR5312_SCRATCH (AR531X_RESETTMR + 0x006c) -+#define AR531X_PROCADDR (AR531X_RESETTMR + 0x0070) -+#define AR531X_PROC1 (AR531X_RESETTMR + 0x0074) -+#define AR531X_DMAADDR (AR531X_RESETTMR + 0x0078) -+#define AR531X_DMA1 (AR531X_RESETTMR + 0x007c) -+#define AR531X_ENABLE (AR531X_RESETTMR + 0x0080) /* interface enb */ -+#define AR531X_REV (AR531X_RESETTMR + 0x0090) /* revision */ -+ -+/* AR531X_WD_CTRL register bit field definitions */ -+#define AR531X_WD_CTRL_IGNORE_EXPIRATION 0x0000 -+#define AR531X_WD_CTRL_NMI 0x0001 -+#define AR531X_WD_CTRL_RESET 0x0002 -+ -+/* AR531X_ISR register bit field definitions */ -+#define AR531X_ISR_NONE 0x0000 -+#define AR531X_ISR_TIMER 0x0001 -+#define AR531X_ISR_AHBPROC 0x0002 -+#define AR531X_ISR_AHBDMA 0x0004 -+#define AR531X_ISR_GPIO 0x0008 -+#define AR531X_ISR_UART0 0x0010 -+#define AR531X_ISR_UART0DMA 0x0020 -+#define AR531X_ISR_WD 0x0040 -+#define AR531X_ISR_LOCAL 0x0080 -+ -+/* AR531X_RESET register bit field definitions */ -+#define AR531X_RESET_SYSTEM 0x00000001 /* cold reset full system */ -+#define AR531X_RESET_PROC 0x00000002 /* cold reset MIPS core */ -+#define AR531X_RESET_WLAN0 0x00000004 /* cold reset WLAN MAC and BB */ -+#define AR531X_RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */ -+#define AR531X_RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */ -+#define AR531X_RESET_ENET0 0x00000020 /* cold reset ENET0 mac */ -+#define AR531X_RESET_ENET1 0x00000040 /* cold reset ENET1 mac */ -+#define AR531X_RESET_UART0 0x00000100 /* cold reset UART0 (high speed) */ -+#define AR531X_RESET_WLAN1 0x00000200 /* cold reset WLAN MAC/BB */ -+#define AR531X_RESET_APB 0x00000400 /* cold reset APB (ar5312) */ -+#define AR531X_RESET_WARM_PROC 0x00001000 /* warm reset MIPS core */ -+#define AR531X_RESET_WARM_WLAN0_MAC 0x00002000 /* warm reset WLAN0 MAC */ -+#define AR531X_RESET_WARM_WLAN0_BB 0x00004000 /* warm reset WLAN0 BaseBand */ -+#define AR531X_RESET_NMI 0x00010000 /* send an NMI to the processor */ -+#define AR531X_RESET_WARM_WLAN1_MAC 0x00020000 /* warm reset WLAN1 mac */ -+#define AR531X_RESET_WARM_WLAN1_BB 0x00040000 /* warm reset WLAN1 baseband */ -+#define AR531X_RESET_LOCAL_BUS 0x00080000 /* reset local bus */ -+#define AR531X_RESET_WDOG 0x00100000 /* last reset was a watchdog */ -+ -+#define AR531X_RESET_WMAC0_BITS \ -+ AR531X_RESET_WLAN0 |\ -+ AR531X_RESET_WARM_WLAN0_MAC |\ -+ AR531X_RESET_WARM_WLAN0_BB -+ -+#define AR531X_RESERT_WMAC1_BITS \ -+ AR531X_RESET_WLAN1 |\ -+ AR531X_RESET_WARM_WLAN1_MAC |\ -+ AR531X_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 -+ -+ -+/* AR531X_ENABLE register bit field definitions */ -+#define AR531X_ENABLE_WLAN0 0x0001 -+#define AR531X_ENABLE_ENET0 0x0002 -+#define AR531X_ENABLE_ENET1 0x0004 -+#define AR531X_ENABLE_UART_AND_WLAN1_PIO 0x0008 /* UART, and WLAN1 PIOs */ -+#define AR531X_ENABLE_WLAN1_DMA 0x0010 /* WLAN1 DMAs */ -+#define AR531X_ENABLE_WLAN1 \ -+ (AR531X_ENABLE_UART_AND_WLAN1_PIO | AR531X_ENABLE_WLAN1_DMA) -+ -+/* AR531X_REV register bit field definitions */ -+#define AR531X_REV_WMAC_MAJ 0xf000 -+#define AR531X_REV_WMAC_MAJ_S 12 -+#define AR531X_REV_WMAC_MIN 0x0f00 -+#define AR531X_REV_WMAC_MIN_S 8 -+#define AR531X_REV_MAJ 0x00f0 -+#define AR531X_REV_MAJ_S 4 -+#define AR531X_REV_MIN 0x000f -+#define AR531X_REV_MIN_S 0 -+#define AR531X_REV_CHIP (AR531X_REV_MAJ|AR531X_REV_MIN) -+ -+/* Major revision numbers, bits 7..4 of Revision ID register */ -+#define AR531X_REV_MAJ_AR5312 0x4 -+#define AR531X_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 */ -+ -+/* AR531X_FLASHCTL register bit field definitions */ -+#define FLASHCTL_IDCY 0x0000000f /* Idle cycle turn around time */ -+#define FLASHCTL_IDCY_S 0 -+#define FLASHCTL_WST1 0x000003e0 /* Wait state 1 */ -+#define FLASHCTL_WST1_S 5 -+#define FLASHCTL_RBLE 0x00000400 /* Read byte lane enable */ -+#define FLASHCTL_WST2 0x0000f800 /* Wait state 2 */ -+#define FLASHCTL_WST2_S 11 -+#define FLASHCTL_AC 0x00070000 /* Flash address check (added) */ -+#define FLASHCTL_AC_S 16 -+#define FLASHCTL_AC_128K 0x00000000 -+#define FLASHCTL_AC_256K 0x00010000 -+#define FLASHCTL_AC_512K 0x00020000 -+#define FLASHCTL_AC_1M 0x00030000 -+#define FLASHCTL_AC_2M 0x00040000 -+#define FLASHCTL_AC_4M 0x00050000 -+#define FLASHCTL_AC_8M 0x00060000 -+#define FLASHCTL_AC_RES 0x00070000 /* 16MB is not supported */ -+#define FLASHCTL_E 0x00080000 /* Flash bank enable (added) */ -+#define FLASHCTL_BUSERR 0x01000000 /* Bus transfer error status flag */ -+#define FLASHCTL_WPERR 0x02000000 /* Write protect error status flag */ -+#define FLASHCTL_WP 0x04000000 /* Write protect */ -+#define FLASHCTL_BM 0x08000000 /* Burst mode */ -+#define FLASHCTL_MW 0x30000000 /* Memory width */ -+#define FLASHCTL_MWx8 0x00000000 /* Memory width x8 */ -+#define FLASHCTL_MWx16 0x10000000 /* Memory width x16 */ -+#define FLASHCTL_MWx32 0x20000000 /* Memory width x32 (not supported) */ -+#define FLASHCTL_ATNR 0x00000000 /* Access type == no retry */ -+#define FLASHCTL_ATR 0x80000000 /* Access type == retry every */ -+#define FLASHCTL_ATR4 0xc0000000 /* Access type == retry every 4 */ -+ -+/* ARM Flash Controller -- 3 flash banks with either x8 or x16 devices. */ -+#define AR531X_FLASHCTL0 (AR531X_FLASHCTL + 0x00) -+#define AR531X_FLASHCTL1 (AR531X_FLASHCTL + 0x04) -+#define AR531X_FLASHCTL2 (AR531X_FLASHCTL + 0x08) -+ -+/* ARM SDRAM Controller -- just enough to determine memory size */ -+#define AR531X_MEM_CFG1 (AR531X_SDRAMCTL + 0x04) -+#define MEM_CFG1_AC0 0x00000700 /* bank 0: SDRAM addr check (added) */ -+#define MEM_CFG1_AC0_S 8 -+#define MEM_CFG1_AC1 0x00007000 /* bank 1: SDRAM addr check (added) */ -+#define MEM_CFG1_AC1_S 12 -+ -+/* GPIO Address Map */ -+#define AR531X_GPIO (AR531X_APBBASE + 0x2000) -+#define AR531X_GPIO_DO (AR531X_GPIO + 0x00) /* output register */ -+#define AR531X_GPIO_DI (AR531X_GPIO + 0x04) /* intput register */ -+#define AR531X_GPIO_CR (AR531X_GPIO + 0x08) /* control register */ -+ -+/* GPIO Control Register bit field definitions */ -+#define AR531X_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */ -+#define AR531X_GPIO_CR_O(x) (0 << (x)) /* mask for output */ -+#define AR531X_GPIO_CR_I(x) (1 << (x)) /* mask for input */ -+#define AR531X_GPIO_CR_INT(x) (1 << ((x)+8)) /* mask for interrupt */ -+#define AR531X_GPIO_CR_UART(x) (1 << ((x)+16)) /* uart multiplex */ -+#define AR531X_NUM_GPIO 8 -+ -+ -+#endif -+ ---- /dev/null -+++ b/arch/mips/ar231x/ar5312.c -@@ -0,0 +1,579 @@ -+/* -+ * 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 SoCs -+ */ -+ -+#include <generated/autoconf.h> -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/types.h> -+#include <linux/string.h> -+#include <linux/mtd/physmap.h> -+#include <linux/platform_device.h> -+#include <linux/kernel.h> -+#include <linux/reboot.h> -+#include <linux/leds.h> -+#include <linux/gpio.h> -+#include <asm/bootinfo.h> -+#include <asm/reboot.h> -+#include <asm/time.h> -+#include <linux/irq.h> -+#include <asm/io.h> -+ -+#include <ar231x_platform.h> -+#include <ar5312_regs.h> -+#include <ar231x.h> -+#include "devices.h" -+#include "ar5312.h" -+ -+static void -+ar5312_misc_irq_dispatch(void) -+{ -+ unsigned int ar231x_misc_intrs = ar231x_read_reg(AR531X_ISR) & ar231x_read_reg(AR531X_IMR); -+ -+ if (ar231x_misc_intrs & AR531X_ISR_TIMER) { -+ do_IRQ(AR531X_MISC_IRQ_TIMER); -+ (void)ar231x_read_reg(AR531X_TIMER); -+ } else if (ar231x_misc_intrs & AR531X_ISR_AHBPROC) -+ do_IRQ(AR531X_MISC_IRQ_AHB_PROC); -+ else if ((ar231x_misc_intrs & AR531X_ISR_UART0)) -+ do_IRQ(AR531X_MISC_IRQ_UART0); -+ else if (ar231x_misc_intrs & AR531X_ISR_WD) -+ do_IRQ(AR531X_MISC_IRQ_WATCHDOG); -+ else -+ do_IRQ(AR531X_MISC_IRQ_NONE); -+} -+ -+static asmlinkage void -+ar5312_irq_dispatch(void) -+{ -+ int pending = read_c0_status() & read_c0_cause(); -+ -+ if (pending & CAUSEF_IP2) -+ do_IRQ(AR5312_IRQ_WLAN0_INTRS); -+ else if (pending & CAUSEF_IP3) -+ do_IRQ(AR5312_IRQ_ENET0_INTRS); -+ else if (pending & CAUSEF_IP4) -+ do_IRQ(AR5312_IRQ_ENET1_INTRS); -+ else if (pending & CAUSEF_IP5) -+ do_IRQ(AR5312_IRQ_WLAN1_INTRS); -+ else if (pending & CAUSEF_IP6) -+ ar5312_misc_irq_dispatch(); -+ else if (pending & CAUSEF_IP7) -+ do_IRQ(AR531X_IRQ_CPU_CLOCK); -+} -+ -+ -+/* Enable the specified AR531X_MISC_IRQ interrupt */ -+static void -+ar5312_misc_intr_enable(struct irq_data *d) -+{ -+ unsigned int imr; -+ -+ imr = ar231x_read_reg(AR531X_IMR); -+ imr |= (1 << (d->irq - AR531X_MISC_IRQ_BASE - 1)); -+ ar231x_write_reg(AR531X_IMR, imr); -+} -+ -+/* Disable the specified AR531X_MISC_IRQ interrupt */ -+static void -+ar5312_misc_intr_disable(struct irq_data *d) -+{ -+ unsigned int imr; -+ -+ imr = ar231x_read_reg(AR531X_IMR); -+ imr &= ~(1 << (d->irq - AR531X_MISC_IRQ_BASE - 1)); -+ ar231x_write_reg(AR531X_IMR, imr); -+ ar231x_read_reg(AR531X_IMR); /* flush write buffer */ -+} -+ -+static struct irq_chip ar5312_misc_intr_controller = { -+ .irq_mask = ar5312_misc_intr_disable, -+ .irq_unmask = ar5312_misc_intr_enable, -+}; -+ -+ -+static irqreturn_t ar5312_ahb_proc_handler(int cpl, void *dev_id) -+{ -+ u32 proc1 = ar231x_read_reg(AR531X_PROC1); -+ u32 procAddr = ar231x_read_reg(AR531X_PROCADDR); /* clears error state */ -+ u32 dma1 = ar231x_read_reg(AR531X_DMA1); -+ u32 dmaAddr = ar231x_read_reg(AR531X_DMAADDR); /* clears error state */ -+ -+ printk("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n", -+ procAddr, proc1, dmaAddr, dma1); -+ -+ machine_restart("AHB error"); /* Catastrophic failure */ -+ return IRQ_HANDLED; -+} -+ -+ -+static struct irqaction ar5312_ahb_proc_interrupt = { -+ .handler = ar5312_ahb_proc_handler, -+ .name = "ar5312_ahb_proc_interrupt", -+}; -+ -+ -+static struct irqaction cascade = { -+ .handler = no_action, -+ .name = "cascade", -+}; -+ -+void __init ar5312_irq_init(void) -+{ -+ int i; -+ -+ if (!is_5312()) -+ return; -+ -+ ar231x_irq_dispatch = ar5312_irq_dispatch; -+ for (i = 0; i < AR531X_MISC_IRQ_COUNT; i++) { -+ int irq = AR531X_MISC_IRQ_BASE + i; -+ irq_set_chip_and_handler(irq, &ar5312_misc_intr_controller, -+ handle_level_irq); -+ } -+ setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5312_ahb_proc_interrupt); -+ setup_irq(AR5312_IRQ_MISC_INTRS, &cascade); -+} -+ -+static u32 -+ar5312_gpio_set_output(u32 mask, u32 val) -+{ -+ u32 reg; -+ -+ reg = ar231x_read_reg(AR531X_GPIO_CR); -+ reg |= mask; -+ reg &= ~val; -+ ar231x_write_reg(AR531X_GPIO_CR, reg); -+ return reg; -+} -+ -+static u32 -+ar5312_gpio_get(u32 valid_mask) -+{ -+ u32 reg; -+ reg = ar231x_read_reg(AR531X_GPIO_DI); -+ reg &= valid_mask; -+ return reg; -+} -+ -+static u32 -+ar5312_gpio_set(u32 mask, u32 value) -+{ -+ u32 reg; -+ reg = ar231x_read_reg(AR531X_GPIO_DO); -+ reg &= ~mask; -+ reg |= value; -+ ar231x_write_reg(AR531X_GPIO_DO, reg); -+ return reg; -+} -+ -+/* -+ * gpiolib implementations. Original mask based methods preserved -+ */ -+static int -+ar5312_gpio_get_value(struct gpio_chip *chip, unsigned gpio) -+{ -+ struct ar231x_gpio_chip *gpch = -+ container_of(chip, struct ar231x_gpio_chip, chip); -+ u32 mask = 1 << gpio; -+ u32 rett; -+ if (!(gpch->valid_mask & mask)) -+ return 0; -+ rett = ar5312_gpio_get(gpch->valid_mask); -+ return !!(rett & mask); -+} -+ -+static void -+ar5312_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value) -+{ -+ struct ar231x_gpio_chip *gpch = -+ container_of(chip, struct ar231x_gpio_chip, chip); -+ u32 mask = 1 << gpio; -+ if (!(gpch->valid_mask & mask)) -+ return; -+ ar5312_gpio_set(mask, (!!value) * mask); -+} -+ -+static int -+ar5312_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) -+{ -+ struct ar231x_gpio_chip *gpch = -+ container_of(chip, struct ar231x_gpio_chip, chip); -+ u32 mask = 1 << gpio; -+ if (!(gpch->valid_mask & mask)) -+ return -ENXIO; -+ ar5312_gpio_set_output(mask, 0); -+ return 0; -+} -+static int -+ar5312_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int value) -+{ -+ struct ar231x_gpio_chip *gpch = -+ container_of(chip, struct ar231x_gpio_chip, chip); -+ u32 mask = 1 << gpio; -+ if (!(gpch->valid_mask & mask)) -+ return -ENXIO; -+ ar5312_gpio_set_output(mask, mask); -+ ar5312_gpio_set(mask, (!!value) * mask); -+ return 0; -+} -+ -+static struct ar231x_gpio_chip ar5312_gpio_chip = { -+ .valid_mask = (1 << 22) - 1, -+ .chip = { -+ .label = "ar5312-gpio", -+ .direction_input = ar5312_gpio_direction_input, -+ .direction_output = ar5312_gpio_direction_output, -+ .set = ar5312_gpio_set_value, -+ .get = ar5312_gpio_get_value, -+ .base = 0, -+ .ngpio = AR531X_GPIO_IRQ_COUNT, // 22 -+ } -+}; -+ -+// end of gpiolib -+ -+static struct physmap_flash_data ar5312_flash_data = { -+ .width = 2, -+}; -+ -+static struct resource ar5312_flash_resource = { -+ .start = AR531X_FLASH, -+ .end = AR531X_FLASH + 0x800000 - 1, -+ .flags = IORESOURCE_MEM, -+}; -+ -+static struct ar231x_eth ar5312_eth0_data = { -+ .reset_base = AR531X_RESET, -+ .reset_mac = AR531X_RESET_ENET0, -+ .reset_phy = AR531X_RESET_EPHY0, -+ .phy_base = KSEG1ADDR(AR531X_ENET0), -+ .config = &ar231x_board, -+}; -+ -+static struct ar231x_eth ar5312_eth1_data = { -+ .reset_base = AR531X_RESET, -+ .reset_mac = AR531X_RESET_ENET1, -+ .reset_phy = AR531X_RESET_EPHY1, -+ .phy_base = KSEG1ADDR(AR531X_ENET1), -+ .config = &ar231x_board, -+}; -+ -+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, -+}; -+ -+#ifdef CONFIG_LEDS_GPIO -+static struct gpio_led ar5312_leds[] = { -+ { .name = "wlan", .gpio = 0, .active_low = 1, }, -+}; -+ -+static const struct gpio_led_platform_data ar5312_led_data = { -+ .num_leds = ARRAY_SIZE(ar5312_leds), -+ .leds = (void *) ar5312_leds, -+}; -+ -+static struct platform_device ar5312_gpio_leds = { -+ .name = "leds-gpio", -+ .id = -1, -+ .dev.platform_data = (void *) &ar5312_led_data, -+}; -+#endif -+ -+/* -+ * NB: This mapping size is larger than the actual flash size, -+ * but this shouldn't be a problem here, because the flash -+ * will simply be mapped multiple times. -+ */ -+static char __init *ar5312_flash_limit(void) -+{ -+ u32 ctl; -+ /* -+ * Configure flash bank 0. -+ * Assume 8M window size. Flash will be aliased if it's smaller -+ */ -+ ctl = FLASHCTL_E | -+ FLASHCTL_AC_8M | -+ FLASHCTL_RBLE | -+ (0x01 << FLASHCTL_IDCY_S) | -+ (0x07 << FLASHCTL_WST1_S) | -+ (0x07 << FLASHCTL_WST2_S) | -+ (ar231x_read_reg(AR531X_FLASHCTL0) & FLASHCTL_MW); -+ -+ ar231x_write_reg(AR531X_FLASHCTL0, ctl); -+ -+ /* Disable other flash banks */ -+ ar231x_write_reg(AR531X_FLASHCTL1, -+ ar231x_read_reg(AR531X_FLASHCTL1) & ~(FLASHCTL_E | FLASHCTL_AC)); -+ -+ ar231x_write_reg(AR531X_FLASHCTL2, -+ ar231x_read_reg(AR531X_FLASHCTL2) & ~(FLASHCTL_E | FLASHCTL_AC)); -+ -+ return (char *) KSEG1ADDR(AR531X_FLASH + 0x800000); -+} -+ -+int __init ar5312_init_devices(void) -+{ -+ struct ar231x_boarddata *config; -+ u32 fctl = 0; -+ u8 *c; -+ -+ if (!is_5312()) -+ return 0; -+ -+ /* Locate board/radio config data */ -+ ar231x_find_config(ar5312_flash_limit()); -+ config = ar231x_board.config; -+ -+ /* AR2313 has CPU minor rev. 10 */ -+ if ((current_cpu_data.processor_id & 0xff) == 0x0a) -+ ar231x_devtype = DEV_TYPE_AR2313; -+ -+ /* AR2312 shares the same Silicon ID as AR5312 */ -+ else if (config->flags & BD_ISCASPER) -+ ar231x_devtype = DEV_TYPE_AR2312; -+ -+ /* Everything else is probably AR5312 or compatible */ -+ else -+ ar231x_devtype = DEV_TYPE_AR5312; -+ -+ /* fixup flash width */ -+ fctl = ar231x_read_reg(AR531X_FLASHCTL) & FLASHCTL_MW; -+ switch (fctl) { -+ case FLASHCTL_MWx16: -+ ar5312_flash_data.width = 2; -+ break; -+ case FLASHCTL_MWx8: -+ default: -+ ar5312_flash_data.width = 1; -+ break; -+ } -+ -+ platform_device_register(&ar5312_physmap_flash); -+ -+#ifdef CONFIG_LEDS_GPIO -+ ar5312_leds[0].gpio = config->sysLedGpio; -+ platform_device_register(&ar5312_gpio_leds); -+#endif -+ -+ /* Fix up MAC addresses if necessary */ -+ if (!memcmp(config->enet0_mac, "\xff\xff\xff\xff\xff\xff", 6)) -+ memcpy(config->enet0_mac, config->enet1_mac, 6); -+ -+ /* If ENET0 and ENET1 have the same mac address, -+ * increment the one from ENET1 */ -+ if (memcmp(config->enet0_mac, config->enet1_mac, 6) == 0) { -+ c = config->enet1_mac + 5; -+ while ((c >= config->enet1_mac) && !(++(*c))) -+ c--; -+ } -+ -+ switch(ar231x_devtype) { -+ case DEV_TYPE_AR5312: -+ ar5312_eth0_data.macaddr = config->enet0_mac; -+ ar231x_add_ethernet(0, KSEG1ADDR(AR531X_ENET0), -+ AR5312_IRQ_ENET0_INTRS, &ar5312_eth0_data); -+ -+ ar5312_eth1_data.macaddr = config->enet1_mac; -+ ar231x_add_ethernet(1, KSEG1ADDR(AR531X_ENET1), -+ AR5312_IRQ_ENET1_INTRS, &ar5312_eth1_data); -+ -+ if (!ar231x_board.radio) -+ return 0; -+ -+ if (!(config->flags & BD_WLAN0)) -+ break; -+ -+ ar231x_add_wmac(0, AR531X_WLAN0, AR5312_IRQ_WLAN0_INTRS); -+ break; -+ /* -+ * AR2312/3 ethernet uses the PHY of ENET0, but the MAC -+ * of ENET1. Atheros calls it 'twisted' for a reason :) -+ */ -+ case DEV_TYPE_AR2312: -+ case DEV_TYPE_AR2313: -+ ar5312_eth1_data.phy_base = ar5312_eth0_data.phy_base; -+ ar5312_eth1_data.reset_phy = ar5312_eth0_data.reset_phy; -+ ar5312_eth1_data.macaddr = config->enet0_mac; -+ ar231x_add_ethernet(0, KSEG1ADDR(AR531X_ENET1), -+ AR5312_IRQ_ENET1_INTRS, &ar5312_eth1_data); -+ -+ if (!ar231x_board.radio) -+ return 0; -+ break; -+ default: -+ break; -+ } -+ -+ if (config->flags & BD_WLAN1) -+ ar231x_add_wmac(1, AR531X_WLAN1, AR5312_IRQ_WLAN1_INTRS); -+ -+ return 0; -+} -+ -+ -+static void ar5312_restart(char *command) -+{ -+ /* reset the system */ -+ local_irq_disable(); -+ while(1) { -+ ar231x_write_reg(AR531X_RESET, AR531X_RESET_SYSTEM); -+ } -+} -+ -+ -+/* -+ * This table is indexed by bits 5..4 of the CLOCKCTL1 register -+ * to determine the predevisor value. -+ */ -+static int __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = { 1, 2, 4, 5 }; -+ -+ -+static int __init -+ar5312_cpu_frequency(void) -+{ -+ unsigned int result; -+ unsigned int predivide_mask, predivide_shift; -+ unsigned int multiplier_mask, multiplier_shift; -+ unsigned int clockCtl1, preDivideSelect, preDivisor, multiplier; -+ unsigned int doubler_mask; -+ u16 devid; -+ -+ /* Trust the bootrom's idea of cpu frequency. */ -+ if ((result = ar231x_read_reg(AR5312_SCRATCH))) -+ return result; -+ -+ devid = ar231x_read_reg(AR531X_REV); -+ devid &= AR531X_REV_MAJ; -+ devid >>= AR531X_REV_MAJ_S; -+ if (devid == AR531X_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. -+ * -+ * cpuFreq = InputClock * MULT (where MULT is PLL multiplier) -+ * sysFreq = cpuFreq / 4 (used for APB clock, serial, -+ * flash, Timer, Watchdog Timer) -+ * -+ * cntFreq = cpuFreq / 2 (use for CPU count/compare) -+ * -+ * So, for example, with a PLL multiplier of 5, we have -+ * -+ * cpuFreq = 200MHz -+ * sysFreq = 50MHz -+ * cntFreq = 100MHz -+ * -+ * We compute the CPU frequency, based on PLL settings. -+ */ -+ -+ clockCtl1 = ar231x_read_reg(AR5312_CLOCKCTL1); -+ preDivideSelect = (clockCtl1 & predivide_mask) >> predivide_shift; -+ preDivisor = CLOCKCTL1_PREDIVIDE_TABLE[preDivideSelect]; -+ multiplier = (clockCtl1 & multiplier_mask) >> multiplier_shift; -+ -+ if (clockCtl1 & doubler_mask) { -+ multiplier = multiplier << 1; -+ } -+ return (40000000 / preDivisor) * multiplier; -+} -+ -+static inline int -+ar5312_sys_frequency(void) -+{ -+ return ar5312_cpu_frequency() / 4; -+} -+ -+void __init -+ar5312_time_init(void) -+{ -+ if (!is_5312()) -+ return; -+ -+ mips_hpt_frequency = ar5312_cpu_frequency() / 2; -+} -+ -+int __init -+ar5312_gpio_init(void) -+{ -+ int ret; -+ struct ar231x_gpio_chip *gpch; -+ gpch = &ar5312_gpio_chip; -+ ret = gpiochip_add(&gpch->chip); -+ if (ret) { -+ printk(KERN_ERR "%s: failed to add gpiochip\n", -+ gpch->chip.label); -+ return ret; -+ } -+ printk(KERN_INFO "%s: registered %d GPIOs\n", -+ gpch->chip.label, gpch->chip.ngpio); -+ return ret; -+} -+ -+void __init -+ar5312_prom_init(void) -+{ -+ u32 memsize, memcfg, bank0AC, bank1AC; -+ u32 devid; -+ -+ if (!is_5312()) -+ return; -+ -+ /* Detect memory size */ -+ memcfg = ar231x_read_reg(AR531X_MEM_CFG1); -+ bank0AC = (memcfg & MEM_CFG1_AC0) >> MEM_CFG1_AC0_S; -+ bank1AC = (memcfg & MEM_CFG1_AC1) >> MEM_CFG1_AC1_S; -+ memsize = (bank0AC ? (1 << (bank0AC+1)) : 0) -+ + (bank1AC ? (1 << (bank1AC+1)) : 0); -+ memsize <<= 20; -+ add_memory_region(0, memsize, BOOT_MEM_RAM); -+ -+ devid = ar231x_read_reg(AR531X_REV); -+ devid >>= AR531X_REV_WMAC_MIN_S; -+ devid &= AR531X_REV_CHIP; -+ ar231x_board.devid = (u16) devid; -+ ar5312_gpio_init(); -+} -+ -+void __init -+ar5312_plat_setup(void) -+{ -+ if (!is_5312()) -+ return; -+ -+ /* Clear any lingering AHB errors */ -+ ar231x_read_reg(AR531X_PROCADDR); -+ ar231x_read_reg(AR531X_DMAADDR); -+ ar231x_write_reg(AR531X_WD_CTRL, AR531X_WD_CTRL_IGNORE_EXPIRATION); -+ -+ _machine_restart = ar5312_restart; -+ ar231x_serial_setup(KSEG1ADDR(AR531X_UART0), ar5312_sys_frequency()); -+} -+ ---- /dev/null -+++ b/arch/mips/ar231x/ar2315.c -@@ -0,0 +1,694 @@ -+/* -+ * 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 SoCs -+ */ -+ -+#include <generated/autoconf.h> -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/types.h> -+#include <linux/string.h> -+#include <linux/platform_device.h> -+#include <linux/kernel.h> -+#include <linux/reboot.h> -+#include <linux/delay.h> -+#include <linux/leds.h> -+#include <linux/gpio.h> -+#include <asm/bootinfo.h> -+#include <asm/reboot.h> -+#include <asm/time.h> -+#include <linux/irq.h> -+#include <asm/io.h> -+ -+#include <ar231x_platform.h> -+#include <ar2315_regs.h> -+#include <ar231x.h> -+#include "devices.h" -+#include "ar2315.h" -+ -+static u32 gpiointmask = 0, gpiointval = 0; -+ -+static inline void ar2315_gpio_irq(void) -+{ -+ u32 pend; -+ int bit = -1; -+ -+ /* only do one gpio interrupt at a time */ -+ pend = (ar231x_read_reg(AR2315_GPIO_DI) ^ gpiointval) & gpiointmask; -+ -+ if (pend) { -+ bit = fls(pend) - 1; -+ pend &= ~(1 << bit); -+ gpiointval ^= (1 << bit); -+ } -+ -+ if (!pend) -+ ar231x_write_reg(AR2315_ISR, AR2315_ISR_GPIO); -+ -+ /* Enable interrupt with edge detection */ -+ if ((ar231x_read_reg(AR2315_GPIO_CR) & AR2315_GPIO_CR_M(bit)) != AR2315_GPIO_CR_I(bit)) -+ return; -+ -+ if (bit >= 0) -+ do_IRQ(AR531X_GPIO_IRQ_BASE + bit); -+} -+ -+ -+/* -+ * 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 asmlinkage void -+ar2315_irq_dispatch(void) -+{ -+ int pending = read_c0_status() & read_c0_cause(); -+ -+ if (pending & CAUSEF_IP3) -+ do_IRQ(AR2315_IRQ_WLAN0_INTRS); -+ else if (pending & CAUSEF_IP4) -+ do_IRQ(AR2315_IRQ_ENET0_INTRS); -+ else if (pending & CAUSEF_IP2) { -+ unsigned int misc_intr = ar231x_read_reg(AR2315_ISR) & ar231x_read_reg(AR2315_IMR); -+ -+ if (misc_intr & AR2315_ISR_SPI) -+ do_IRQ(AR531X_MISC_IRQ_SPI); -+ else if (misc_intr & AR2315_ISR_TIMER) -+ do_IRQ(AR531X_MISC_IRQ_TIMER); -+ else if (misc_intr & AR2315_ISR_AHB) -+ do_IRQ(AR531X_MISC_IRQ_AHB_PROC); -+ else if (misc_intr & AR2315_ISR_GPIO) -+ ar2315_gpio_irq(); -+ else if (misc_intr & AR2315_ISR_UART0) -+ do_IRQ(AR531X_MISC_IRQ_UART0); -+ else if (misc_intr & AR2315_ISR_WD) -+ do_IRQ(AR531X_MISC_IRQ_WATCHDOG); -+ else -+ do_IRQ(AR531X_MISC_IRQ_NONE); -+ } else if (pending & CAUSEF_IP7) -+ do_IRQ(AR531X_IRQ_CPU_CLOCK); -+} -+ -+static void ar2315_set_gpiointmask(int gpio, int level) -+{ -+ u32 reg; -+ -+ reg = ar231x_read_reg(AR2315_GPIO_INT); -+ reg &= ~(AR2315_GPIO_INT_M | AR2315_GPIO_INT_LVL_M); -+ reg |= gpio | AR2315_GPIO_INT_LVL(level); -+ ar231x_write_reg(AR2315_GPIO_INT, reg); -+} -+ -+static void ar2315_gpio_intr_enable(struct irq_data *d) -+{ -+ unsigned int gpio = d->irq - AR531X_GPIO_IRQ_BASE; -+ -+ /* Enable interrupt with edge detection */ -+ if ((ar231x_read_reg(AR2315_GPIO_CR) & AR2315_GPIO_CR_M(gpio)) != AR2315_GPIO_CR_I(gpio)) -+ return; -+ -+ gpiointmask |= (1 << gpio); -+ ar2315_set_gpiointmask(gpio, 3); -+} -+ -+static void ar2315_gpio_intr_disable(struct irq_data *d) -+{ -+ unsigned int gpio = d->irq - AR531X_GPIO_IRQ_BASE; -+ -+ /* Disable interrupt */ -+ gpiointmask &= ~(1 << gpio); -+ ar2315_set_gpiointmask(gpio, 0); -+} -+ -+static struct irq_chip ar2315_gpio_intr_controller = { -+ .irq_mask = ar2315_gpio_intr_disable, -+ .irq_unmask = ar2315_gpio_intr_enable, -+}; -+ -+static void -+ar2315_misc_intr_enable(struct irq_data *d) -+{ -+ unsigned int imr; -+ -+ imr = ar231x_read_reg(AR2315_IMR); -+ switch(d->irq) { -+ case AR531X_MISC_IRQ_SPI: -+ imr |= AR2315_ISR_SPI; -+ break; -+ case AR531X_MISC_IRQ_TIMER: -+ imr |= AR2315_ISR_TIMER; -+ break; -+ case AR531X_MISC_IRQ_AHB_PROC: -+ imr |= AR2315_ISR_AHB; -+ break; -+ case AR531X_MISC_IRQ_GPIO: -+ imr |= AR2315_ISR_GPIO; -+ break; -+ case AR531X_MISC_IRQ_UART0: -+ imr |= AR2315_ISR_UART0; -+ break; -+ case AR531X_MISC_IRQ_WATCHDOG: -+ imr |= AR2315_ISR_WD; -+ break; -+ default: -+ break; -+ } -+ ar231x_write_reg(AR2315_IMR, imr); -+} -+ -+static void -+ar2315_misc_intr_disable(struct irq_data *d) -+{ -+ unsigned int imr; -+ -+ imr = ar231x_read_reg(AR2315_IMR); -+ switch(d->irq) { -+ case AR531X_MISC_IRQ_SPI: -+ imr &= ~AR2315_ISR_SPI; -+ break; -+ case AR531X_MISC_IRQ_TIMER: -+ imr &= ~AR2315_ISR_TIMER; -+ break; -+ case AR531X_MISC_IRQ_AHB_PROC: -+ imr &= ~AR2315_ISR_AHB; -+ break; -+ case AR531X_MISC_IRQ_GPIO: -+ imr &= ~AR2315_ISR_GPIO; -+ break; -+ case AR531X_MISC_IRQ_UART0: -+ imr &= ~AR2315_ISR_UART0; -+ break; -+ case AR531X_MISC_IRQ_WATCHDOG: -+ imr &= ~AR2315_ISR_WD; -+ break; -+ default: -+ break; -+ } -+ ar231x_write_reg(AR2315_IMR, imr); -+} -+ -+static struct irq_chip ar2315_misc_intr_controller = { -+ .irq_mask = ar2315_misc_intr_disable, -+ .irq_unmask = ar2315_misc_intr_enable, -+}; -+ -+static irqreturn_t ar2315_ahb_proc_handler(int cpl, void *dev_id) -+{ -+ ar231x_write_reg(AR2315_AHB_ERR0, AHB_ERROR_DET); -+ ar231x_read_reg(AR2315_AHB_ERR1); -+ -+ printk(KERN_ERR "AHB fatal error\n"); -+ machine_restart("AHB error"); /* Catastrophic failure */ -+ -+ return IRQ_HANDLED; -+} -+ -+static struct irqaction ar2315_ahb_proc_interrupt = { -+ .handler = ar2315_ahb_proc_handler, -+ .name = "ar2315_ahb_proc_interrupt", -+}; -+ -+static struct irqaction cascade = { -+ .handler = no_action, -+ .name = "cascade", -+}; -+ -+void -+ar2315_irq_init(void) -+{ -+ int i; -+ -+ if (!is_2315()) -+ return; -+ -+ ar231x_irq_dispatch = ar2315_irq_dispatch; -+ gpiointval = ar231x_read_reg(AR2315_GPIO_DI); -+ for (i = 0; i < AR531X_MISC_IRQ_COUNT; i++) { -+ int irq = AR531X_MISC_IRQ_BASE + i; -+ irq_set_chip_and_handler(irq, &ar2315_misc_intr_controller, -+ handle_level_irq); -+ } -+ for (i = 0; i < AR531X_GPIO_IRQ_COUNT; i++) { -+ int irq = AR531X_GPIO_IRQ_BASE + i; -+ irq_set_chip_and_handler(irq, &ar2315_gpio_intr_controller, -+ handle_level_irq); -+ } -+ setup_irq(AR531X_MISC_IRQ_GPIO, &cascade); -+ setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar2315_ahb_proc_interrupt); -+ setup_irq(AR2315_IRQ_MISC_INTRS, &cascade); -+} -+ -+static u32 -+ar2315_gpio_set_output(u32 mask, u32 val) -+{ -+ u32 reg; -+ -+ reg = ar231x_read_reg(AR2315_GPIO_CR); -+ reg &= ~mask; -+ reg |= val; -+ ar231x_write_reg(AR2315_GPIO_CR, reg); -+ return reg; -+} -+ -+static u32 -+ar2315_gpio_get(u32 valid_mask) -+{ -+ u32 reg; -+ reg = ar231x_read_reg(AR2315_GPIO_DI); -+ reg &= valid_mask; -+ return reg; -+} -+ -+static u32 -+ar2315_gpio_set(u32 mask, u32 value) -+{ -+ u32 reg; -+ reg = ar231x_read_reg(AR2315_GPIO_DO); -+ reg &= ~mask; -+ reg |= value; -+ ar231x_write_reg(AR2315_GPIO_DO, reg); -+ return reg; -+} -+ -+/* -+ * gpiolib implementation. Original legacy mask based methods -+ * preserved for now. -+ */ -+static int -+ar2315_gpio_get_value(struct gpio_chip *chip, unsigned gpio) -+{ -+ struct ar231x_gpio_chip *gpch = -+ container_of(chip, struct ar231x_gpio_chip, chip); -+ u32 mask = 1 << gpio; -+ u32 rett; -+ if (!(gpch->valid_mask & mask)) -+ return 0; -+ rett = ar2315_gpio_get(gpch->valid_mask); // legacy code -+ return !!(rett & mask); -+} -+ -+static void -+ar2315_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value) -+{ -+ struct ar231x_gpio_chip *gpch = -+ container_of(chip, struct ar231x_gpio_chip, chip); -+ u32 mask = 1 << gpio; -+ if (!(gpch->valid_mask & mask)) -+ return; -+ ar2315_gpio_set(mask, (!!value) * mask); // legacy -+} -+ -+static int -+ar2315_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) -+{ -+ struct ar231x_gpio_chip *gpch = -+ container_of(chip, struct ar231x_gpio_chip, chip); -+ u32 mask = 1 << gpio; -+ if (!(gpch->valid_mask & mask)) -+ return -ENXIO; -+ ar2315_gpio_set_output(mask, 0); // legacy -+ return 0; -+} -+ -+static int -+ar2315_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int value) -+{ -+ struct ar231x_gpio_chip *gpch = -+ container_of(chip, struct ar231x_gpio_chip, chip); -+ u32 mask = 1 << gpio; -+ if (!(gpch->valid_mask & mask)) -+ return -ENXIO; -+ ar2315_gpio_set_output(mask, mask); // both legacy -+ ar2315_gpio_set(mask, (!!value) * mask); -+ return 0; -+} -+ -+static struct ar231x_gpio_chip ar2315_gpio_chip = { -+ .valid_mask = (1 << 22) - 1, -+ .chip = { -+ .label = "ar2315-gpio", -+ .direction_input = ar2315_gpio_direction_input, -+ .direction_output = ar2315_gpio_direction_output, -+ .set = ar2315_gpio_set_value, -+ .get = ar2315_gpio_get_value, -+ .base = 0, -+ .ngpio = AR531X_GPIO_IRQ_COUNT, // 22 -+ } -+}; -+ -+// end of gpiolib -+ -+ -+static struct ar231x_eth ar2315_eth_data = { -+ .reset_base = AR2315_RESET, -+ .reset_mac = AR2315_RESET_ENET0, -+ .reset_phy = AR2315_RESET_EPHY0, -+ .phy_base = KSEG1ADDR(AR2315_ENET0), -+ .config = &ar231x_board, -+}; -+ -+static struct resource ar2315_spiflash_res[] = { -+ { -+ .name = "flash_base", -+ .flags = IORESOURCE_MEM, -+ .start = KSEG1ADDR(AR2315_SPI_READ), -+ .end = KSEG1ADDR(AR2315_SPI_READ) + 0x1000000 - 1, -+ }, -+ { -+ .name = "flash_regs", -+ .flags = IORESOURCE_MEM, -+ .start = 0x11300000, -+ .end = 0x11300012, -+ }, -+}; -+ -+static struct platform_device ar2315_spiflash = { -+ .id = 0, -+ .name = "spiflash", -+ .resource = ar2315_spiflash_res, -+ .num_resources = ARRAY_SIZE(ar2315_spiflash_res) -+}; -+ -+static struct platform_device ar2315_wdt = { -+ .id = 0, -+ .name = "ar2315_wdt", -+}; -+ -+#define SPI_FLASH_CTL 0x00 -+#define SPI_FLASH_OPCODE 0x04 -+#define SPI_FLASH_DATA 0x08 -+ -+static inline u32 -+spiflash_read_reg(int reg) -+{ -+ return ar231x_read_reg(AR2315_SPI + reg); -+} -+ -+static inline void -+spiflash_write_reg(int reg, u32 data) -+{ -+ ar231x_write_reg(AR2315_SPI + reg, data); -+} -+ -+static u32 -+spiflash_wait_status(void) -+{ -+ u32 reg; -+ -+ do { -+ reg = spiflash_read_reg(SPI_FLASH_CTL); -+ } while (reg & SPI_CTL_BUSY); -+ -+ return reg; -+} -+ -+static u8 -+spiflash_probe(void) -+{ -+ u32 reg; -+ -+ reg = spiflash_wait_status(); -+ reg &= ~SPI_CTL_TX_RX_CNT_MASK; -+ reg |= (1 << 4) | 4 | SPI_CTL_START; -+ -+ spiflash_write_reg(SPI_FLASH_OPCODE, 0xab); -+ spiflash_write_reg(SPI_FLASH_CTL, reg); -+ -+ reg = spiflash_wait_status(); -+ reg = spiflash_read_reg(SPI_FLASH_DATA); -+ reg &= 0xff; -+ -+ return (u8) reg; -+} -+ -+ -+#define STM_8MBIT_SIGNATURE 0x13 -+#define STM_16MBIT_SIGNATURE 0x14 -+#define STM_32MBIT_SIGNATURE 0x15 -+#define STM_64MBIT_SIGNATURE 0x16 -+#define STM_128MBIT_SIGNATURE 0x17 -+ -+static u8 __init * -+ar2315_flash_limit(void) -+{ -+ u32 flash_size = 0; -+ -+ /* probe the flash chip size */ -+ switch(spiflash_probe()) { -+ case STM_8MBIT_SIGNATURE: -+ flash_size = 0x00100000; -+ break; -+ case STM_16MBIT_SIGNATURE: -+ flash_size = 0x00200000; -+ break; -+ case STM_32MBIT_SIGNATURE: -+ flash_size = 0x00400000; -+ break; -+ case STM_64MBIT_SIGNATURE: -+ flash_size = 0x00800000; -+ break; -+ case STM_128MBIT_SIGNATURE: -+ flash_size = 0x01000000; -+ break; -+ } -+ -+ ar2315_spiflash_res[0].end = ar2315_spiflash_res[0].start + -+ flash_size - 1; -+ return (u8 *) ar2315_spiflash_res[0].end + 1; -+} -+ -+#ifdef CONFIG_LEDS_GPIO -+static struct gpio_led ar2315_leds[6]; -+static struct gpio_led_platform_data ar2315_led_data = { -+ .leds = (void *) ar2315_leds, -+}; -+ -+static struct platform_device ar2315_gpio_leds = { -+ .name = "leds-gpio", -+ .id = -1, -+ .dev = { -+ .platform_data = (void *) &ar2315_led_data, -+ } -+}; -+ -+static void __init -+ar2315_init_gpio_leds(void) -+{ -+ static char led_names[6][6]; -+ int i, led = 0; -+ -+ ar2315_led_data.num_leds = 0; -+ for(i = 1; i < 8; i++) -+ { -+ if((i == AR2315_RESET_GPIO) || -+ (i == ar231x_board.config->resetConfigGpio)) -+ continue; -+ -+ if(i == ar231x_board.config->sysLedGpio) -+ strcpy(led_names[led], "wlan"); -+ else -+ sprintf(led_names[led], "gpio%d", i); -+ -+ ar2315_leds[led].name = led_names[led]; -+ ar2315_leds[led].gpio = i; -+ ar2315_leds[led].active_low = 0; -+ led++; -+ } -+ ar2315_led_data.num_leds = led; -+ platform_device_register(&ar2315_gpio_leds); -+} -+#else -+static inline void ar2315_init_gpio_leds(void) -+{ -+} -+#endif -+ -+int __init -+ar2315_init_devices(void) -+{ -+ if (!is_2315()) -+ return 0; -+ -+ /* Find board configuration */ -+ ar231x_find_config(ar2315_flash_limit()); -+ ar2315_eth_data.macaddr = ar231x_board.config->enet0_mac; -+ -+ ar2315_init_gpio_leds(); -+ platform_device_register(&ar2315_wdt); -+ platform_device_register(&ar2315_spiflash); -+ ar231x_add_ethernet(0, KSEG1ADDR(AR2315_ENET0), AR2315_IRQ_ENET0_INTRS, -+ &ar2315_eth_data); -+ ar231x_add_wmac(0, AR2315_WLAN0, AR2315_IRQ_WLAN0_INTRS); -+ -+ return 0; -+} -+ -+static void -+ar2315_restart(char *command) -+{ -+ void (*mips_reset_vec)(void) = (void *) 0xbfc00000; -+ -+ local_irq_disable(); -+ -+ /* try reset the system via reset control */ -+ ar231x_write_reg(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) */ -+ gpio_direction_output(AR2315_RESET_GPIO, 0); -+ mdelay(100); -+ -+ /* 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 __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = { 1, 2, 4, 5 }; -+static int __initdata PLLC_DIVIDE_TABLE[5] = { 2, 3, 4, 6, 3 }; -+ -+static unsigned int __init -+ar2315_sys_clk(unsigned int clockCtl) -+{ -+ unsigned int pllcCtrl,cpuDiv; -+ unsigned int pllcOut,refdiv,fdiv,divby2; -+ unsigned int clkDiv; -+ -+ pllcCtrl = ar231x_read_reg(AR2315_PLLC_CTL); -+ refdiv = (pllcCtrl & PLLC_REF_DIV_M) >> PLLC_REF_DIV_S; -+ refdiv = CLOCKCTL1_PREDIVIDE_TABLE[refdiv]; -+ fdiv = (pllcCtrl & PLLC_FDBACK_DIV_M) >> PLLC_FDBACK_DIV_S; -+ divby2 = (pllcCtrl & PLLC_ADD_FDBACK_DIV_M) >> PLLC_ADD_FDBACK_DIV_S; -+ divby2 += 1; -+ pllcOut = (40000000/refdiv)*(2*divby2)*fdiv; -+ -+ -+ /* clkm input selected */ -+ switch(clockCtl & CPUCLK_CLK_SEL_M) { -+ case 0: -+ case 1: -+ clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKM_DIV_M) >> PLLC_CLKM_DIV_S]; -+ break; -+ case 2: -+ clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKC_DIV_M) >> PLLC_CLKC_DIV_S]; -+ break; -+ default: -+ pllcOut = 40000000; -+ clkDiv = 1; -+ break; -+ } -+ cpuDiv = (clockCtl & CPUCLK_CLK_DIV_M) >> CPUCLK_CLK_DIV_S; -+ cpuDiv = cpuDiv * 2 ?: 1; -+ return (pllcOut/(clkDiv * cpuDiv)); -+} -+ -+static inline unsigned int -+ar2315_cpu_frequency(void) -+{ -+ return ar2315_sys_clk(ar231x_read_reg(AR2315_CPUCLK)); -+} -+ -+static inline unsigned int -+ar2315_apb_frequency(void) -+{ -+ return ar2315_sys_clk(ar231x_read_reg(AR2315_AMBACLK)); -+} -+ -+void __init -+ar2315_time_init(void) -+{ -+ if (!is_2315()) -+ return; -+ -+ mips_hpt_frequency = ar2315_cpu_frequency() / 2; -+} -+ -+int __init -+ar2315_gpio_init(void) -+{ -+ int ret; -+ struct ar231x_gpio_chip *gpch; -+ gpch = &ar2315_gpio_chip; -+ ret = gpiochip_add(&gpch->chip); -+ if (ret) { -+ printk(KERN_ERR "%s: failed to add gpiochip\n", -+ gpch->chip.label); -+ return ret; -+ } -+ printk(KERN_INFO "%s: registered %d GPIOs\n", -+ gpch->chip.label, gpch->chip.ngpio); -+ return ret; -+} -+ -+ -+ -+void __init -+ar2315_prom_init(void) -+{ -+ u32 memsize, memcfg, devid; -+ -+ if (!is_2315()) -+ return; -+ -+ memcfg = ar231x_read_reg(AR2315_MEM_CFG); -+ memsize = 1 + ((memcfg & SDRAM_DATA_WIDTH_M) >> SDRAM_DATA_WIDTH_S); -+ memsize <<= 1 + ((memcfg & SDRAM_COL_WIDTH_M) >> SDRAM_COL_WIDTH_S); -+ memsize <<= 1 + ((memcfg & SDRAM_ROW_WIDTH_M) >> SDRAM_ROW_WIDTH_S); -+ memsize <<= 3; -+ add_memory_region(0, memsize, BOOT_MEM_RAM); -+ -+ /* Detect the hardware based on the device ID */ -+ devid = ar231x_read_reg(AR2315_SREV) & AR2315_REV_CHIP; -+ switch(devid) { -+ case 0x90: -+ case 0x91: -+ ar231x_devtype = DEV_TYPE_AR2317; -+ break; -+ default: -+ ar231x_devtype = DEV_TYPE_AR2315; -+ break; -+ } -+ ar2315_gpio_init(); -+ ar231x_board.devid = devid; -+} -+ -+void __init -+ar2315_plat_setup(void) -+{ -+ u32 config; -+ -+ if (!is_2315()) -+ return; -+ -+ gpio_request(AR2315_RESET_GPIO, "reset"); -+ -+ /* Clear any lingering AHB errors */ -+ config = read_c0_config(); -+ write_c0_config(config & ~0x3); -+ ar231x_write_reg(AR2315_AHB_ERR0,AHB_ERROR_DET); -+ ar231x_read_reg(AR2315_AHB_ERR1); -+ ar231x_write_reg(AR2315_WDC, AR2315_WDC_IGNORE_EXPIRATION); -+ -+ _machine_restart = ar2315_restart; -+ ar231x_serial_setup(KSEG1ADDR(AR2315_UART0), ar2315_apb_frequency()); -+} ---- /dev/null -+++ b/arch/mips/ar231x/ar2315.h -@@ -0,0 +1,37 @@ -+#ifndef __AR2315_H -+#define __AR2315_H -+ -+#ifdef CONFIG_ATHEROS_AR2315 -+ -+extern void ar2315_irq_init(void); -+extern int ar2315_init_devices(void); -+extern void ar2315_prom_init(void); -+extern void ar2315_plat_setup(void); -+extern void ar2315_time_init(void); -+ -+#else -+ -+static inline void ar2315_irq_init(void) -+{ -+} -+ -+static inline int ar2315_init_devices(void) -+{ -+ return 0; -+} -+ -+static inline void ar2315_prom_init(void) -+{ -+} -+ -+static inline void ar2315_plat_setup(void) -+{ -+} -+ -+static inline void ar2315_time_init(void) -+{ -+} -+ -+#endif -+ -+#endif ---- /dev/null -+++ b/arch/mips/ar231x/ar5312.h -@@ -0,0 +1,38 @@ -+#ifndef __AR5312_H -+#define __AR5312_H -+ -+#ifdef CONFIG_ATHEROS_AR5312 -+ -+extern void ar5312_irq_init(void); -+extern int ar5312_init_devices(void); -+extern void ar5312_prom_init(void); -+extern void ar5312_plat_setup(void); -+extern void ar5312_time_init(void); -+extern void ar5312_time_init(void); -+ -+#else -+ -+static inline void ar5312_irq_init(void) -+{ -+} -+ -+static inline int ar5312_init_devices(void) -+{ -+ return 0; -+} -+ -+static inline void ar5312_prom_init(void) -+{ -+} -+ -+static inline void ar5312_plat_setup(void) -+{ -+} -+ -+static inline void ar5312_time_init(void) -+{ -+} -+ -+#endif -+ -+#endif ---- /dev/null -+++ b/arch/mips/include/asm/mach-ar231x/ar231x.h -@@ -0,0 +1,57 @@ -+#ifndef __AR531X_H -+#define __AR531X_H -+ -+#include <linux/types.h> -+#include <linux/io.h> -+ -+#define AR531X_MISC_IRQ_BASE 0x20 -+#define AR531X_GPIO_IRQ_BASE 0x30 -+ -+/* Software's idea of interrupts handled by "CPU Interrupt Controller" */ -+#define AR531X_IRQ_NONE MIPS_CPU_IRQ_BASE+0 -+#define AR531X_IRQ_CPU_CLOCK MIPS_CPU_IRQ_BASE+7 /* C0_CAUSE: 0x8000 */ -+ -+/* Miscellaneous interrupts, which share IP6 */ -+#define AR531X_MISC_IRQ_NONE AR531X_MISC_IRQ_BASE+0 -+#define AR531X_MISC_IRQ_TIMER AR531X_MISC_IRQ_BASE+1 -+#define AR531X_MISC_IRQ_AHB_PROC AR531X_MISC_IRQ_BASE+2 -+#define AR531X_MISC_IRQ_AHB_DMA AR531X_MISC_IRQ_BASE+3 -+#define AR531X_MISC_IRQ_GPIO AR531X_MISC_IRQ_BASE+4 -+#define AR531X_MISC_IRQ_UART0 AR531X_MISC_IRQ_BASE+5 -+#define AR531X_MISC_IRQ_UART0_DMA AR531X_MISC_IRQ_BASE+6 -+#define AR531X_MISC_IRQ_WATCHDOG AR531X_MISC_IRQ_BASE+7 -+#define AR531X_MISC_IRQ_LOCAL AR531X_MISC_IRQ_BASE+8 -+#define AR531X_MISC_IRQ_SPI AR531X_MISC_IRQ_BASE+9 -+#define AR531X_MISC_IRQ_COUNT 10 -+ -+/* GPIO Interrupts [0..7], share AR531X_MISC_IRQ_GPIO */ -+#define AR531X_GPIO_IRQ_NONE AR531X_GPIO_IRQ_BASE+0 -+#define AR531X_GPIO_IRQ(n) AR531X_GPIO_IRQ_BASE+n -+#define AR531X_GPIO_IRQ_COUNT 22 -+ -+static inline u32 -+ar231x_read_reg(u32 reg) -+{ -+ return __raw_readl((u32 *) KSEG1ADDR(reg)); -+} -+ -+static inline void -+ar231x_write_reg(u32 reg, u32 val) -+{ -+ __raw_writel(val, (u32 *) KSEG1ADDR(reg)); -+} -+ -+static inline u32 -+ar231x_mask_reg(u32 reg, u32 mask, u32 val) -+{ -+ u32 ret; -+ -+ ret = ar231x_read_reg(reg); -+ ret &= ~mask; -+ ret |= val; -+ ar231x_write_reg(reg, ret); -+ -+ return ret; -+} -+ -+#endif ---- /dev/null -+++ b/arch/mips/ar231x/devices.h -@@ -0,0 +1,42 @@ -+#ifndef __AR231X_DEVICES_H -+#define __AR231X_DEVICES_H -+#include <linux/gpio.h> -+ -+enum { -+ /* handled by ar5312.c */ -+ DEV_TYPE_AR2312, -+ DEV_TYPE_AR2313, -+ DEV_TYPE_AR5312, -+ -+ /* handled by ar2315.c */ -+ DEV_TYPE_AR2315, -+ DEV_TYPE_AR2316, -+ DEV_TYPE_AR2317, -+ -+ DEV_TYPE_UNKNOWN -+}; -+ -+extern int ar231x_devtype; -+extern struct ar231x_board_config ar231x_board; -+extern asmlinkage void (*ar231x_irq_dispatch)(void); -+ -+extern int ar231x_find_config(u8 *flash_limit); -+extern void ar231x_serial_setup(u32 mapbase, unsigned int uartclk); -+extern int ar231x_add_wmac(int nr, u32 base, int irq); -+extern int ar231x_add_ethernet(int nr, u32 base, int irq, void *pdata); -+ -+static inline bool is_2315(void) -+{ -+ return (current_cpu_data.cputype == CPU_4KEC); -+} -+ -+static inline bool is_5312(void) -+{ -+ return !is_2315(); -+} -+ -+struct ar231x_gpio_chip { -+ u32 valid_mask; -+ struct gpio_chip chip; -+}; -+#endif ---- /dev/null -+++ b/arch/mips/ar231x/devices.c -@@ -0,0 +1,168 @@ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/serial.h> -+#include <linux/serial_core.h> -+#include <linux/serial_8250.h> -+#include <linux/platform_device.h> -+#include <ar231x_platform.h> -+#include <ar231x.h> -+#include "devices.h" -+#include "ar5312.h" -+#include "ar2315.h" -+ -+struct ar231x_board_config ar231x_board; -+int ar231x_devtype = DEV_TYPE_UNKNOWN; -+ -+static struct resource ar231x_eth0_res[] = { -+ { -+ .name = "eth0_membase", -+ .flags = IORESOURCE_MEM, -+ }, -+ { -+ .name = "eth0_irq", -+ .flags = IORESOURCE_IRQ, -+ } -+}; -+ -+static struct resource ar231x_eth1_res[] = { -+ { -+ .name = "eth1_membase", -+ .flags = IORESOURCE_MEM, -+ }, -+ { -+ .name = "eth1_irq", -+ .flags = IORESOURCE_IRQ, -+ } -+}; -+ -+static struct platform_device ar231x_eth[] = { -+ { -+ .id = 0, -+ .name = "ar231x-eth", -+ .resource = ar231x_eth0_res, -+ .num_resources = ARRAY_SIZE(ar231x_eth0_res) -+ }, -+ { -+ .id = 1, -+ .name = "ar231x-eth", -+ .resource = ar231x_eth1_res, -+ .num_resources = ARRAY_SIZE(ar231x_eth1_res) -+ } -+}; -+ -+static struct resource ar231x_wmac0_res[] = { -+ { -+ .name = "wmac0_membase", -+ .flags = IORESOURCE_MEM, -+ }, -+ { -+ .name = "wmac0_irq", -+ .flags = IORESOURCE_IRQ, -+ } -+}; -+ -+static struct resource ar231x_wmac1_res[] = { -+ { -+ .name = "wmac1_membase", -+ .flags = IORESOURCE_MEM, -+ }, -+ { -+ .name = "wmac1_irq", -+ .flags = IORESOURCE_IRQ, -+ } -+}; -+ -+ -+static struct platform_device ar231x_wmac[] = { -+ { -+ .id = 0, -+ .name = "ar231x-wmac", -+ .resource = ar231x_wmac0_res, -+ .num_resources = ARRAY_SIZE(ar231x_wmac0_res), -+ .dev.platform_data = &ar231x_board, -+ }, -+ { -+ .id = 1, -+ .name = "ar231x-wmac", -+ .resource = ar231x_wmac1_res, -+ .num_resources = ARRAY_SIZE(ar231x_wmac1_res), -+ .dev.platform_data = &ar231x_board, -+ }, -+}; -+ -+static const char *devtype_strings[] = { -+ [DEV_TYPE_AR5312] = "Atheros AR5312", -+ [DEV_TYPE_AR2312] = "Atheros AR2312", -+ [DEV_TYPE_AR2313] = "Atheros AR2313", -+ [DEV_TYPE_AR2315] = "Atheros AR2315", -+ [DEV_TYPE_AR2316] = "Atheros AR2316", -+ [DEV_TYPE_AR2317] = "Atheros AR2317", -+ [DEV_TYPE_UNKNOWN] = "Atheros (unknown)", -+}; -+ -+const char *get_system_type(void) -+{ -+ if ((ar231x_devtype >= ARRAY_SIZE(devtype_strings)) || -+ !devtype_strings[ar231x_devtype]) -+ return devtype_strings[DEV_TYPE_UNKNOWN]; -+ return devtype_strings[ar231x_devtype]; -+} -+ -+ -+int __init -+ar231x_add_ethernet(int nr, u32 base, int irq, void *pdata) -+{ -+ struct resource *res; -+ -+ ar231x_eth[nr].dev.platform_data = pdata; -+ res = &ar231x_eth[nr].resource[0]; -+ res->start = base; -+ res->end = base + 0x2000 - 1; -+ res++; -+ res->start = irq; -+ res->end = irq; -+ return platform_device_register(&ar231x_eth[nr]); -+} -+ -+void __init -+ar231x_serial_setup(u32 mapbase, unsigned int uartclk) -+{ -+ struct uart_port s; -+ -+ memset(&s, 0, sizeof(s)); -+ -+ s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; -+ s.iotype = UPIO_MEM; -+ s.irq = AR531X_MISC_IRQ_UART0; -+ s.regshift = 2; -+ s.mapbase = mapbase; -+ s.uartclk = uartclk; -+ s.membase = (void __iomem *)s.mapbase; -+ -+ early_serial_setup(&s); -+} -+ -+int __init -+ar231x_add_wmac(int nr, u32 base, int irq) -+{ -+ struct resource *res; -+ -+ ar231x_wmac[nr].dev.platform_data = &ar231x_board; -+ res = &ar231x_wmac[nr].resource[0]; -+ res->start = base; -+ res->end = base + 0x10000 - 1; -+ res++; -+ res->start = irq; -+ res->end = irq; -+ return platform_device_register(&ar231x_wmac[nr]); -+} -+ -+static int __init ar231x_register_devices(void) -+{ -+ ar5312_init_devices(); -+ ar2315_init_devices(); -+ -+ return 0; -+} -+ -+device_initcall(ar231x_register_devices); |