1 --- a/arch/mips/Kconfig
2 +++ b/arch/mips/Kconfig
3 @@ -96,6 +96,19 @@ config AR7
4 Support for the Texas Instruments AR7 System-on-a-Chip
5 family: TNETD7100, 7200 and 7300.
8 + bool "Atheros 231x/531x SoC support"
11 + select DMA_NONCOHERENT
13 + select SYS_HAS_CPU_MIPS32_R1
14 + select SYS_SUPPORTS_BIG_ENDIAN
15 + select SYS_SUPPORTS_32BIT_KERNEL
16 + select ARCH_REQUIRE_GPIOLIB
18 + Support for AR231x and AR531x based boards
21 bool "Atheros AR71XX/AR724X/AR913X based boards"
22 select ARCH_REQUIRE_GPIOLIB
23 @@ -834,6 +847,7 @@ config MIPS_PARAVIRT
27 +source "arch/mips/ath25/Kconfig"
28 source "arch/mips/alchemy/Kconfig"
29 source "arch/mips/ath79/Kconfig"
30 source "arch/mips/bcm47xx/Kconfig"
31 --- a/arch/mips/Kbuild.platforms
32 +++ b/arch/mips/Kbuild.platforms
42 +++ b/arch/mips/ath25/Platform
45 +# Atheros AR531X/AR231X WiSoC
47 +platform-$(CONFIG_ATH25) += ath25/
48 +cflags-$(CONFIG_ATH25) += -I$(srctree)/arch/mips/include/asm/mach-ath25
49 +load-$(CONFIG_ATH25) += 0xffffffff80041000
51 +++ b/arch/mips/ath25/Kconfig
54 + bool "Atheros 5312/2312+ support"
59 + bool "Atheros 2315+ support"
63 +++ b/arch/mips/ath25/Makefile
66 +# This file is subject to the terms and conditions of the GNU General Public
67 +# License. See the file "COPYING" in the main directory of this archive
70 +# Copyright (C) 2006 FON Technology, SL.
71 +# Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
72 +# Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
75 +obj-y += board.o prom.o devices.o
76 +obj-$(CONFIG_SOC_AR5312) += ar5312.o
77 +obj-$(CONFIG_SOC_AR2315) += ar2315.o
79 +++ b/arch/mips/ath25/board.c
82 + * This file is subject to the terms and conditions of the GNU General Public
83 + * License. See the file "COPYING" in the main directory of this archive
86 + * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
87 + * Copyright (C) 2006 FON Technology, SL.
88 + * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
89 + * Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
92 +#include <generated/autoconf.h>
93 +#include <linux/init.h>
94 +#include <linux/module.h>
95 +#include <linux/types.h>
96 +#include <linux/string.h>
97 +#include <linux/platform_device.h>
98 +#include <linux/kernel.h>
99 +#include <linux/random.h>
100 +#include <linux/etherdevice.h>
101 +#include <linux/irq.h>
102 +#include <linux/io.h>
103 +#include <asm/irq_cpu.h>
104 +#include <asm/reboot.h>
105 +#include <asm/bootinfo.h>
106 +#include <asm/time.h>
108 +#include <ath25_platform.h>
109 +#include "devices.h"
113 +void (*ath25_irq_dispatch)(void);
115 +static inline bool check_radio_magic(const void __iomem *addr)
117 + addr += 0x7a; /* offset for flash magic */
118 + return (__raw_readb(addr) == 0x5a) && (__raw_readb(addr + 1) == 0xa5);
121 +static inline bool check_notempty(const void __iomem *addr)
123 + return __raw_readl(addr) != 0xffffffff;
126 +static inline bool check_board_data(const void __iomem *addr, bool broken)
128 + /* config magic found */
129 + if (__raw_readl(addr) == ATH25_BD_MAGIC)
135 + /* broken board data detected, use radio data to find the
136 + * offset, user will fix this */
138 + if (check_radio_magic(addr + 0x1000))
140 + if (check_radio_magic(addr + 0xf8))
146 +static const void __iomem * __init find_board_config(const void __iomem *limit,
149 + const void __iomem *addr;
150 + const void __iomem *begin = limit - 0x1000;
151 + const void __iomem *end = limit - 0x30000;
153 + for (addr = begin; addr >= end; addr -= 0x1000)
154 + if (check_board_data(addr, broken))
160 +static const void __iomem * __init find_radio_config(const void __iomem *limit,
161 + const void __iomem *bcfg)
163 + const void __iomem *rcfg, *begin, *end;
166 + * Now find the start of Radio Configuration data, using heuristics:
167 + * Search forward from Board Configuration data by 0x1000 bytes
168 + * at a time until we find non-0xffffffff.
170 + begin = bcfg + 0x1000;
172 + for (rcfg = begin; rcfg < end; rcfg += 0x1000)
173 + if (check_notempty(rcfg) && check_radio_magic(rcfg))
176 + /* AR2316 relocates radio config to new location */
177 + begin = bcfg + 0xf8;
178 + end = limit - 0x1000 + 0xf8;
179 + for (rcfg = begin; rcfg < end; rcfg += 0x1000)
180 + if (check_notempty(rcfg) && check_radio_magic(rcfg))
187 + * NB: Search region size could be larger than the actual flash size,
188 + * but this shouldn't be a problem here, because the flash
189 + * will simply be mapped multiple times.
191 +int __init ath25_find_config(phys_addr_t base, unsigned long size)
193 + const void __iomem *flash_base, *flash_limit;
194 + struct ath25_boarddata *config;
195 + unsigned int rcfg_size;
196 + int broken_boarddata = 0;
197 + const void __iomem *bcfg, *rcfg;
203 + flash_base = ioremap_nocache(base, size);
204 + flash_limit = flash_base + size;
206 + ath25_board.config = NULL;
207 + ath25_board.radio = NULL;
209 + /* Copy the board and radio data to RAM, because accessing the mapped
210 + * memory of the flash directly after booting is not safe */
212 + /* Try to find valid board and radio data */
213 + bcfg = find_board_config(flash_limit, false);
215 + /* If that fails, try to at least find valid radio data */
217 + bcfg = find_board_config(flash_limit, true);
218 + broken_boarddata = 1;
222 + pr_warn("WARNING: No board configuration data found!\n");
226 + board_data = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL);
227 + ath25_board.config = (struct ath25_boarddata *)board_data;
228 + memcpy_fromio(board_data, bcfg, 0x100);
229 + if (broken_boarddata) {
230 + pr_warn("WARNING: broken board data detected\n");
231 + config = ath25_board.config;
232 + if (is_zero_ether_addr(config->enet0_mac)) {
233 + pr_info("Fixing up empty mac addresses\n");
234 + config->reset_config_gpio = 0xffff;
235 + config->sys_led_gpio = 0xffff;
236 + random_ether_addr(config->wlan0_mac);
237 + config->wlan0_mac[0] &= ~0x06;
238 + random_ether_addr(config->enet0_mac);
239 + random_ether_addr(config->enet1_mac);
243 + /* Radio config starts 0x100 bytes after board config, regardless
244 + * of what the physical layout on the flash chip looks like */
246 + rcfg = find_radio_config(flash_limit, bcfg);
248 + pr_warn("WARNING: Could not find Radio Configuration data\n");
252 + radio_data = board_data + 0x100 + ((rcfg - bcfg) & 0xfff);
253 + ath25_board.radio = radio_data;
254 + offset = radio_data - board_data;
255 + pr_info("Radio config found at offset 0x%x (0x%x)\n", rcfg - bcfg,
257 + rcfg_size = BOARD_CONFIG_BUFSZ - offset;
258 + memcpy_fromio(radio_data, rcfg, rcfg_size);
260 + mac_addr = &radio_data[0x1d * 2];
261 + if (is_broadcast_ether_addr(mac_addr)) {
262 + pr_info("Radio MAC is blank; using board-data\n");
263 + ether_addr_copy(mac_addr, ath25_board.config->wlan0_mac);
266 + iounmap(flash_base);
271 + iounmap(flash_base);
275 +static void ath25_halt(void)
277 + local_irq_disable();
282 +void __init plat_mem_setup(void)
284 + _machine_halt = ath25_halt;
285 + pm_power_off = ath25_halt;
288 + ar5312_plat_mem_setup();
290 + ar2315_plat_mem_setup();
292 + /* Disable data watchpoints */
293 + write_c0_watchlo0(0);
296 +asmlinkage void plat_irq_dispatch(void)
298 + ath25_irq_dispatch();
301 +void __init plat_time_init(void)
304 + ar5312_plat_time_init();
306 + ar2315_plat_time_init();
309 +unsigned int __cpuinit get_c0_compare_int(void)
311 + return CP0_LEGACY_COMPARE_IRQ;
314 +void __init arch_init_irq(void)
316 + clear_c0_status(ST0_IM);
317 + mips_cpu_irq_init();
319 + /* Initialize interrupt controllers */
321 + ar5312_arch_init_irq();
323 + ar2315_arch_init_irq();
326 +++ b/arch/mips/ath25/prom.c
329 + * This file is subject to the terms and conditions of the GNU General Public
330 + * License. See the file "COPYING" in the main directory of this archive
331 + * for more details.
333 + * Copyright MontaVista Software Inc
334 + * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
335 + * Copyright (C) 2006 FON Technology, SL.
336 + * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
337 + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
341 + * Prom setup file for ar231x
344 +#include <linux/init.h>
345 +#include <asm/bootinfo.h>
347 +void __init prom_init(void)
351 +void __init prom_free_prom_memory(void)
355 +++ b/arch/mips/include/asm/mach-ath25/ath25_platform.h
357 +#ifndef __ASM_MACH_ATH25_PLATFORM_H
358 +#define __ASM_MACH_ATH25_PLATFORM_H
360 +#include <linux/etherdevice.h>
363 + * This is board-specific data that is stored in a "fixed" location in flash.
364 + * It is shared across operating systems, so it should not be changed lightly.
365 + * The main reason we need it is in order to extract the ethernet MAC
368 +struct ath25_boarddata {
369 + u32 magic; /* board data is valid */
370 +#define ATH25_BD_MAGIC 0x35333131 /* "5311", for all 531x/231x platforms */
371 + u16 cksum; /* checksum (starting with BD_REV 2) */
372 + u16 rev; /* revision of this struct */
374 + char board_name[64]; /* Name of board */
375 + u16 major; /* Board major number */
376 + u16 minor; /* Board minor number */
377 + u32 flags; /* Board configuration */
378 +#define BD_ENET0 0x00000001 /* ENET0 is stuffed */
379 +#define BD_ENET1 0x00000002 /* ENET1 is stuffed */
380 +#define BD_UART1 0x00000004 /* UART1 is stuffed */
381 +#define BD_UART0 0x00000008 /* UART0 is stuffed (dma) */
382 +#define BD_RSTFACTORY 0x00000010 /* Reset factory defaults stuffed */
383 +#define BD_SYSLED 0x00000020 /* System LED stuffed */
384 +#define BD_EXTUARTCLK 0x00000040 /* External UART clock */
385 +#define BD_CPUFREQ 0x00000080 /* cpu freq is valid in nvram */
386 +#define BD_SYSFREQ 0x00000100 /* sys freq is set in nvram */
387 +#define BD_WLAN0 0x00000200 /* Enable WLAN0 */
388 +#define BD_MEMCAP 0x00000400 /* CAP SDRAM @ mem_cap for testing */
389 +#define BD_DISWATCHDOG 0x00000800 /* disable system watchdog */
390 +#define BD_WLAN1 0x00001000 /* Enable WLAN1 (ar5212) */
391 +#define BD_ISCASPER 0x00002000 /* FLAG for AR2312 */
392 +#define BD_WLAN0_2G_EN 0x00004000 /* FLAG for radio0_2G */
393 +#define BD_WLAN0_5G_EN 0x00008000 /* FLAG for radio0_2G */
394 +#define BD_WLAN1_2G_EN 0x00020000 /* FLAG for radio0_2G */
395 +#define BD_WLAN1_5G_EN 0x00040000 /* FLAG for radio0_2G */
396 + u16 reset_config_gpio; /* Reset factory GPIO pin */
397 + u16 sys_led_gpio; /* System LED GPIO pin */
399 + u32 cpu_freq; /* CPU core frequency in Hz */
400 + u32 sys_freq; /* System frequency in Hz */
401 + u32 cnt_freq; /* Calculated C0_COUNT frequency */
403 + u8 wlan0_mac[ETH_ALEN];
404 + u8 enet0_mac[ETH_ALEN];
405 + u8 enet1_mac[ETH_ALEN];
407 + u16 pci_id; /* Pseudo PCIID for common code */
408 + u16 mem_cap; /* cap bank1 in MB */
411 + u8 wlan1_mac[ETH_ALEN]; /* (ar5212) */
414 +#define BOARD_CONFIG_BUFSZ 0x1000
417 + * Platform device information for the Wireless MAC
419 +struct ar231x_board_config {
422 + /* board config data */
423 + struct ath25_boarddata *config;
425 + /* radio calibration data */
430 + * Platform device information for the Ethernet MAC
433 + void (*reset_set)(u32);
434 + void (*reset_clear)(u32);
440 +#endif /* __ASM_MACH_ATH25_PLATFORM_H */
442 +++ b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
445 + * Atheros AR231x/AR531x SoC specific CPU feature overrides
447 + * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
449 + * This file was derived from: include/asm-mips/cpu-features.h
450 + * Copyright (C) 2003, 2004 Ralf Baechle
451 + * Copyright (C) 2004 Maciej W. Rozycki
453 + * This program is free software; you can redistribute it and/or modify it
454 + * under the terms of the GNU General Public License version 2 as published
455 + * by the Free Software Foundation.
458 +#ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
459 +#define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
462 + * The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc core.
464 +#define cpu_has_tlb 1
465 +#define cpu_has_4kex 1
466 +#define cpu_has_3k_cache 0
467 +#define cpu_has_4k_cache 1
468 +#define cpu_has_tx39_cache 0
469 +#define cpu_has_sb1_cache 0
470 +#define cpu_has_fpu 0
471 +#define cpu_has_32fpr 0
472 +#define cpu_has_counter 1
473 +#define cpu_has_ejtag 1
475 +#if !defined(CONFIG_SOC_AR5312)
476 +# define cpu_has_llsc 1
479 + * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the
480 + * ll/sc instructions.
482 +# define cpu_has_llsc 0
485 +#define cpu_has_mips16 0
486 +#define cpu_has_mdmx 0
487 +#define cpu_has_mips3d 0
488 +#define cpu_has_smartmips 0
490 +#define cpu_has_mips32r1 1
492 +#if !defined(CONFIG_SOC_AR5312)
493 +# define cpu_has_mips32r2 1
496 +#define cpu_has_mips64r1 0
497 +#define cpu_has_mips64r2 0
499 +#define cpu_has_dsp 0
500 +#define cpu_has_mipsmt 0
502 +#define cpu_has_64bits 0
503 +#define cpu_has_64bit_zero_reg 0
504 +#define cpu_has_64bit_gp_regs 0
505 +#define cpu_has_64bit_addresses 0
507 +#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */
509 +++ b/arch/mips/include/asm/mach-ath25/dma-coherence.h
512 + * This file is subject to the terms and conditions of the GNU General Public
513 + * License. See the file "COPYING" in the main directory of this archive
514 + * for more details.
516 + * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
517 + * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
520 +#ifndef __ASM_MACH_ATH25_DMA_COHERENCE_H
521 +#define __ASM_MACH_ATH25_DMA_COHERENCE_H
523 +#include <linux/device.h>
526 + * We need some arbitrary non-zero value to be programmed to the BAR1 register
527 + * of PCI host controller to enable DMA. The same value should be used as the
528 + * offset to calculate the physical address of DMA buffer for PCI devices.
530 +#define AR2315_PCI_HOST_SDRAM_BASEADDR 0x20000000
532 +static inline dma_addr_t ath25_dev_offset(struct device *dev)
535 + extern struct bus_type pci_bus_type;
537 + if (dev && dev->bus == &pci_bus_type)
538 + return AR2315_PCI_HOST_SDRAM_BASEADDR;
543 +static inline dma_addr_t
544 +plat_map_dma_mem(struct device *dev, void *addr, size_t size)
546 + return virt_to_phys(addr) + ath25_dev_offset(dev);
549 +static inline dma_addr_t
550 +plat_map_dma_mem_page(struct device *dev, struct page *page)
552 + return page_to_phys(page) + ath25_dev_offset(dev);
555 +static inline unsigned long
556 +plat_dma_addr_to_phys(struct device *dev, dma_addr_t dma_addr)
558 + return dma_addr - ath25_dev_offset(dev);
562 +plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, size_t size,
563 + enum dma_data_direction direction)
567 +static inline int plat_dma_supported(struct device *dev, u64 mask)
572 +static inline void plat_extra_sync_for_device(struct device *dev)
576 +static inline int plat_dma_mapping_error(struct device *dev,
577 + dma_addr_t dma_addr)
582 +static inline int plat_device_is_coherent(struct device *dev)
584 +#ifdef CONFIG_DMA_COHERENT
587 +#ifdef CONFIG_DMA_NONCOHERENT
592 +#endif /* __ASM_MACH_ATH25_DMA_COHERENCE_H */
594 +++ b/arch/mips/include/asm/mach-ath25/gpio.h
596 +#ifndef __ASM_MACH_ATH25_GPIO_H
597 +#define __ASM_MACH_ATH25_GPIO_H
599 +#include <asm-generic/gpio.h>
601 +#define gpio_get_value __gpio_get_value
602 +#define gpio_set_value __gpio_set_value
603 +#define gpio_cansleep __gpio_cansleep
604 +#define gpio_to_irq __gpio_to_irq
606 +static inline int irq_to_gpio(unsigned irq)
611 +#endif /* __ASM_MACH_ATH25_GPIO_H */
613 +++ b/arch/mips/include/asm/mach-ath25/war.h
616 + * This file is subject to the terms and conditions of the GNU General Public
617 + * License. See the file "COPYING" in the main directory of this archive
618 + * for more details.
620 + * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
622 +#ifndef __ASM_MACH_ATH25_WAR_H
623 +#define __ASM_MACH_ATH25_WAR_H
625 +#define R4600_V1_INDEX_ICACHEOP_WAR 0
626 +#define R4600_V1_HIT_CACHEOP_WAR 0
627 +#define R4600_V2_HIT_CACHEOP_WAR 0
628 +#define R5432_CP0_INTERRUPT_WAR 0
629 +#define BCM1250_M3_WAR 0
630 +#define SIBYTE_1956_WAR 0
631 +#define MIPS4K_ICACHE_REFILL_WAR 0
632 +#define MIPS_CACHE_SYNC_WAR 0
633 +#define TX49XX_ICACHE_INDEX_INV_WAR 0
634 +#define RM9000_CDEX_SMP_WAR 0
635 +#define ICACHE_REFILLS_WORKAROUND_WAR 0
636 +#define R10000_LLSC_WAR 0
637 +#define MIPS34K_MISSED_ITLB_WAR 0
639 +#endif /* __ASM_MACH_ATH25_WAR_H */
641 +++ b/arch/mips/ath25/ar2315_regs.h
644 + * Register definitions for AR2315+
646 + * This file is subject to the terms and conditions of the GNU General Public
647 + * License. See the file "COPYING" in the main directory of this archive
648 + * for more details.
650 + * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
651 + * Copyright (C) 2006 FON Technology, SL.
652 + * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
653 + * Copyright (C) 2006-2008 Felix Fietkau <nbd@openwrt.org>
656 +#ifndef __ASM_MACH_ATH25_AR2315_REGS_H
657 +#define __ASM_MACH_ATH25_AR2315_REGS_H
662 +#define AR2315_IRQ_MISC (MIPS_CPU_IRQ_BASE + 2) /* C0_CAUSE: 0x0400 */
663 +#define AR2315_IRQ_WLAN0 (MIPS_CPU_IRQ_BASE + 3) /* C0_CAUSE: 0x0800 */
664 +#define AR2315_IRQ_ENET0 (MIPS_CPU_IRQ_BASE + 4) /* C0_CAUSE: 0x1000 */
665 +#define AR2315_IRQ_LCBUS_PCI (MIPS_CPU_IRQ_BASE + 5) /* C0_CAUSE: 0x2000 */
666 +#define AR2315_IRQ_WLAN0_POLL (MIPS_CPU_IRQ_BASE + 6) /* C0_CAUSE: 0x4000 */
669 + * Miscellaneous interrupts, which share IP2.
671 +#define AR2315_MISC_IRQ_UART0 (AR231X_MISC_IRQ_BASE+0)
672 +#define AR2315_MISC_IRQ_I2C_RSVD (AR231X_MISC_IRQ_BASE+1)
673 +#define AR2315_MISC_IRQ_SPI (AR231X_MISC_IRQ_BASE+2)
674 +#define AR2315_MISC_IRQ_AHB (AR231X_MISC_IRQ_BASE+3)
675 +#define AR2315_MISC_IRQ_APB (AR231X_MISC_IRQ_BASE+4)
676 +#define AR2315_MISC_IRQ_TIMER (AR231X_MISC_IRQ_BASE+5)
677 +#define AR2315_MISC_IRQ_GPIO (AR231X_MISC_IRQ_BASE+6)
678 +#define AR2315_MISC_IRQ_WATCHDOG (AR231X_MISC_IRQ_BASE+7)
679 +#define AR2315_MISC_IRQ_IR_RSVD (AR231X_MISC_IRQ_BASE+8)
680 +#define AR2315_MISC_IRQ_COUNT 9
685 +#define AR2315_SPI_READ_BASE 0x08000000 /* SPI flash */
686 +#define AR2315_SPI_READ_SIZE 0x01000000
687 +#define AR2315_WLAN0_BASE 0x10000000 /* Wireless MMR */
688 +#define AR2315_PCI_BASE 0x10100000 /* PCI MMR */
689 +#define AR2315_PCI_SIZE 0x00001000
690 +#define AR2315_SDRAMCTL_BASE 0x10300000 /* SDRAM MMR */
691 +#define AR2315_SDRAMCTL_SIZE 0x00000020
692 +#define AR2315_LOCAL_BASE 0x10400000 /* Local bus MMR */
693 +#define AR2315_ENET0_BASE 0x10500000 /* Ethernet MMR */
694 +#define AR2315_RST_BASE 0x11000000 /* Reset control MMR */
695 +#define AR2315_RST_SIZE 0x00000100
696 +#define AR2315_UART0_BASE 0x11100000 /* UART MMR */
697 +#define AR2315_SPI_MMR_BASE 0x11300000 /* SPI flash MMR */
698 +#define AR2315_SPI_MMR_SIZE 0x00000010
699 +#define AR2315_PCI_EXT_BASE 0x80000000 /* PCI external */
700 +#define AR2315_PCI_EXT_SIZE 0x40000000
702 +/* MII registers offset inside Ethernet MMR region */
703 +#define AR2315_ENET0_MII_BASE (AR2315_ENET0_BASE + 0x14)
706 + * Cold reset register
708 +#define AR2315_COLD_RESET 0x0000
710 +#define AR2315_RESET_COLD_AHB 0x00000001
711 +#define AR2315_RESET_COLD_APB 0x00000002
712 +#define AR2315_RESET_COLD_CPU 0x00000004
713 +#define AR2315_RESET_COLD_CPUWARM 0x00000008
714 +#define AR2315_RESET_SYSTEM \
717 + RESET_COLD_AHB) /* full system */
718 +#define AR2317_RESET_SYSTEM 0x00000010
723 +#define AR2315_RESET 0x0004
725 +/* warm reset WLAN0 MAC */
726 +#define AR2315_RESET_WARM_WLAN0_MAC 0x00000001
727 +/* warm reset WLAN0 BaseBand */
728 +#define AR2315_RESET_WARM_WLAN0_BB 0x00000002
729 +/* warm reset MPEG-TS */
730 +#define AR2315_RESET_MPEGTS_RSVD 0x00000004
731 +/* warm reset PCI ahb/dma */
732 +#define AR2315_RESET_PCIDMA 0x00000008
733 +/* warm reset memory controller */
734 +#define AR2315_RESET_MEMCTL 0x00000010
735 +/* warm reset local bus */
736 +#define AR2315_RESET_LOCAL 0x00000020
737 +/* warm reset I2C bus */
738 +#define AR2315_RESET_I2C_RSVD 0x00000040
739 +/* warm reset SPI interface */
740 +#define AR2315_RESET_SPI 0x00000080
741 +/* warm reset UART0 */
742 +#define AR2315_RESET_UART0 0x00000100
743 +/* warm reset IR interface */
744 +#define AR2315_RESET_IR_RSVD 0x00000200
745 +/* cold reset ENET0 phy */
746 +#define AR2315_RESET_EPHY0 0x00000400
747 +/* cold reset ENET0 mac */
748 +#define AR2315_RESET_ENET0 0x00000800
751 + * AHB master arbitration control
753 +#define AR2315_AHB_ARB_CTL 0x0008
756 +#define AR2315_ARB_CPU 0x00000001
758 +#define AR2315_ARB_WLAN 0x00000002
760 +#define AR2315_ARB_MPEGTS_RSVD 0x00000004
762 +#define AR2315_ARB_LOCAL 0x00000008
764 +#define AR2315_ARB_PCI 0x00000010
766 +#define AR2315_ARB_ETHERNET 0x00000020
767 +/* retry policy, debug only */
768 +#define AR2315_ARB_RETRY 0x00000100
773 +#define AR2315_ENDIAN_CTL 0x000c
775 +/* EC - AHB bridge endianess */
776 +#define AR2315_CONFIG_AHB 0x00000001
778 +#define AR2315_CONFIG_WLAN 0x00000002
779 +/* MPEG-TS byteswap */
780 +#define AR2315_CONFIG_MPEGTS_RSVD 0x00000004
782 +#define AR2315_CONFIG_PCI 0x00000008
783 +/* Memory controller endianess */
784 +#define AR2315_CONFIG_MEMCTL 0x00000010
785 +/* Local bus byteswap */
786 +#define AR2315_CONFIG_LOCAL 0x00000020
787 +/* Ethernet byteswap */
788 +#define AR2315_CONFIG_ETHERNET 0x00000040
790 +/* CPU write buffer merge */
791 +#define AR2315_CONFIG_MERGE 0x00000200
792 +/* CPU big endian */
793 +#define AR2315_CONFIG_CPU 0x00000400
794 +#define AR2315_CONFIG_PCIAHB 0x00000800
795 +#define AR2315_CONFIG_PCIAHB_BRIDGE 0x00001000
797 +#define AR2315_CONFIG_SPI 0x00008000
798 +#define AR2315_CONFIG_CPU_DRAM 0x00010000
799 +#define AR2315_CONFIG_CPU_PCI 0x00020000
800 +#define AR2315_CONFIG_CPU_MMR 0x00040000
801 +#define AR2315_CONFIG_BIG 0x00000400
806 +#define AR2315_NMI_CTL 0x0010
808 +#define AR2315_NMI_EN 1
811 + * Revision Register - Initial value is 0x3010 (WMAC 3.0, AR231X 1.0).
813 +#define AR2315_SREV 0x0014
815 +#define AR2315_REV_MAJ 0x00f0
816 +#define AR2315_REV_MAJ_S 4
817 +#define AR2315_REV_MIN 0x000f
818 +#define AR2315_REV_MIN_S 0
819 +#define AR2315_REV_CHIP (AR2315_REV_MAJ|AR2315_REV_MIN)
824 +#define AR2315_IF_CTL 0x0018
826 +#define AR2315_IF_MASK 0x00000007
827 +#define AR2315_IF_DISABLED 0
828 +#define AR2315_IF_PCI 1
829 +#define AR2315_IF_TS_LOCAL 2
830 +/* only for emulation with separate pins */
831 +#define AR2315_IF_ALL 3
832 +#define AR2315_IF_LOCAL_HOST 0x00000008
833 +#define AR2315_IF_PCI_HOST 0x00000010
834 +#define AR2315_IF_PCI_INTR 0x00000020
835 +#define AR2315_IF_PCI_CLK_MASK 0x00030000
836 +#define AR2315_IF_PCI_CLK_INPUT 0
837 +#define AR2315_IF_PCI_CLK_OUTPUT_LOW 1
838 +#define AR2315_IF_PCI_CLK_OUTPUT_CLK 2
839 +#define AR2315_IF_PCI_CLK_OUTPUT_HIGH 3
840 +#define AR2315_IF_PCI_CLK_SHIFT 16
843 + * APB Interrupt control
846 +#define AR2315_ISR 0x0020
847 +#define AR2315_IMR 0x0024
848 +#define AR2315_GISR 0x0028
850 +#define AR2315_ISR_UART0 0x0001 /* high speed UART */
851 +#define AR2315_ISR_I2C_RSVD 0x0002 /* I2C bus */
852 +#define AR2315_ISR_SPI 0x0004 /* SPI bus */
853 +#define AR2315_ISR_AHB 0x0008 /* AHB error */
854 +#define AR2315_ISR_APB 0x0010 /* APB error */
855 +#define AR2315_ISR_TIMER 0x0020 /* timer */
856 +#define AR2315_ISR_GPIO 0x0040 /* GPIO */
857 +#define AR2315_ISR_WD 0x0080 /* watchdog */
858 +#define AR2315_ISR_IR_RSVD 0x0100 /* IR */
860 +#define AR2315_GISR_MISC 0x0001
861 +#define AR2315_GISR_WLAN0 0x0002
862 +#define AR2315_GISR_MPEGTS_RSVD 0x0004
863 +#define AR2315_GISR_LOCALPCI 0x0008
864 +#define AR2315_GISR_WMACPOLL 0x0010
865 +#define AR2315_GISR_TIMER 0x0020
866 +#define AR2315_GISR_ETHERNET 0x0040
871 +#define AR2315_TIMER 0x0030
872 +#define AR2315_RELOAD 0x0034
874 +#define AR2315_WDT_TIMER 0x0038
875 +#define AR2315_WDT_CTRL 0x003c
877 +#define AR2315_WDT_CTRL_IGNORE 0x00000000 /* ignore expiration */
878 +#define AR2315_WDT_CTRL_NMI 0x00000001 /* NMI on watchdog */
879 +#define AR2315_WDT_CTRL_RESET 0x00000002 /* reset on watchdog */
882 + * CPU Performance Counters
884 +#define AR2315_PERFCNT0 0x0048
885 +#define AR2315_PERFCNT1 0x004c
887 +#define AR2315_PERF0_DATAHIT 0x0001 /* Count Data Cache Hits */
888 +#define AR2315_PERF0_DATAMISS 0x0002 /* Count Data Cache Misses */
889 +#define AR2315_PERF0_INSTHIT 0x0004 /* Count Instruction Cache Hits */
890 +#define AR2315_PERF0_INSTMISS 0x0008 /* Count Instruction Cache Misses */
891 +#define AR2315_PERF0_ACTIVE 0x0010 /* Count Active Processor Cycles */
892 +#define AR2315_PERF0_WBHIT 0x0020 /* Count CPU Write Buffer Hits */
893 +#define AR2315_PERF0_WBMISS 0x0040 /* Count CPU Write Buffer Misses */
895 +#define AR2315_PERF1_EB_ARDY 0x0001 /* Count EB_ARdy signal */
896 +#define AR2315_PERF1_EB_AVALID 0x0002 /* Count EB_AValid signal */
897 +#define AR2315_PERF1_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */
898 +#define AR2315_PERF1_EB_RDVAL 0x0008 /* Count EB_RdVal signal */
899 +#define AR2315_PERF1_VRADDR 0x0010 /* Count valid read address cycles */
900 +#define AR2315_PERF1_VWADDR 0x0020 /* Count valid write address cycles */
901 +#define AR2315_PERF1_VWDATA 0x0040 /* Count valid write data cycles */
904 + * AHB Error Reporting.
906 +#define AR2315_AHB_ERR0 0x0050 /* error */
907 +#define AR2315_AHB_ERR1 0x0054 /* haddr */
908 +#define AR2315_AHB_ERR2 0x0058 /* hwdata */
909 +#define AR2315_AHB_ERR3 0x005c /* hrdata */
910 +#define AR2315_AHB_ERR4 0x0060 /* status */
912 +#define AR2315_AHB_ERROR_DET 1 /* AHB Error has been detected, */
913 + /* write 1 to clear all bits in ERR0 */
914 +#define AR2315_AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */
915 +#define AR2315_AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */
917 +#define AR2315_PROCERR_HMAST 0x0000000f
918 +#define AR2315_PROCERR_HMAST_DFLT 0
919 +#define AR2315_PROCERR_HMAST_WMAC 1
920 +#define AR2315_PROCERR_HMAST_ENET 2
921 +#define AR2315_PROCERR_HMAST_PCIENDPT 3
922 +#define AR2315_PROCERR_HMAST_LOCAL 4
923 +#define AR2315_PROCERR_HMAST_CPU 5
924 +#define AR2315_PROCERR_HMAST_PCITGT 6
926 +#define AR2315_PROCERR_HMAST_S 0
927 +#define AR2315_PROCERR_HWRITE 0x00000010
928 +#define AR2315_PROCERR_HSIZE 0x00000060
929 +#define AR2315_PROCERR_HSIZE_S 5
930 +#define AR2315_PROCERR_HTRANS 0x00000180
931 +#define AR2315_PROCERR_HTRANS_S 7
932 +#define AR2315_PROCERR_HBURST 0x00000e00
933 +#define AR2315_PROCERR_HBURST_S 9
938 +#define AR2315_PLLC_CTL 0x0064
939 +#define AR2315_PLLV_CTL 0x0068
940 +#define AR2315_CPUCLK 0x006c
941 +#define AR2315_AMBACLK 0x0070
942 +#define AR2315_SYNCCLK 0x0074
943 +#define AR2315_DSL_SLEEP_CTL 0x0080
944 +#define AR2315_DSL_SLEEP_DUR 0x0084
946 +/* PLLc Control fields */
947 +#define AR2315_PLLC_REF_DIV_M 0x00000003
948 +#define AR2315_PLLC_REF_DIV_S 0
949 +#define AR2315_PLLC_FDBACK_DIV_M 0x0000007c
950 +#define AR2315_PLLC_FDBACK_DIV_S 2
951 +#define AR2315_PLLC_ADD_FDBACK_DIV_M 0x00000080
952 +#define AR2315_PLLC_ADD_FDBACK_DIV_S 7
953 +#define AR2315_PLLC_CLKC_DIV_M 0x0001c000
954 +#define AR2315_PLLC_CLKC_DIV_S 14
955 +#define AR2315_PLLC_CLKM_DIV_M 0x00700000
956 +#define AR2315_PLLC_CLKM_DIV_S 20
958 +/* CPU CLK Control fields */
959 +#define AR2315_CPUCLK_CLK_SEL_M 0x00000003
960 +#define AR2315_CPUCLK_CLK_SEL_S 0
961 +#define AR2315_CPUCLK_CLK_DIV_M 0x0000000c
962 +#define AR2315_CPUCLK_CLK_DIV_S 2
964 +/* AMBA CLK Control fields */
965 +#define AR2315_AMBACLK_CLK_SEL_M 0x00000003
966 +#define AR2315_AMBACLK_CLK_SEL_S 0
967 +#define AR2315_AMBACLK_CLK_DIV_M 0x0000000c
968 +#define AR2315_AMBACLK_CLK_DIV_S 2
970 +/* GPIO MMR base address */
971 +#define AR2315_GPIO 0x0088
973 +#define AR2315_RESET_GPIO 5
976 + * PCI Clock Control
978 +#define AR2315_PCICLK 0x00a4
980 +#define AR2315_PCICLK_INPUT_M 0x3
981 +#define AR2315_PCICLK_INPUT_S 0
983 +#define AR2315_PCICLK_PLLC_CLKM 0
984 +#define AR2315_PCICLK_PLLC_CLKM1 1
985 +#define AR2315_PCICLK_PLLC_CLKC 2
986 +#define AR2315_PCICLK_REF_CLK 3
988 +#define AR2315_PCICLK_DIV_M 0xc
989 +#define AR2315_PCICLK_DIV_S 2
991 +#define AR2315_PCICLK_IN_FREQ 0
992 +#define AR2315_PCICLK_IN_FREQ_DIV_6 1
993 +#define AR2315_PCICLK_IN_FREQ_DIV_8 2
994 +#define AR2315_PCICLK_IN_FREQ_DIV_10 3
997 + * Observation Control Register
999 +#define AR2315_OCR 0x00b0
1001 +#define AR2315_OCR_GPIO0_IRIN 0x00000040
1002 +#define AR2315_OCR_GPIO1_IROUT 0x00000080
1003 +#define AR2315_OCR_GPIO3_RXCLR 0x00000200
1006 + * General Clock Control
1008 +#define AR2315_MISCCLK 0x00b4
1010 +#define AR2315_MISCCLK_PLLBYPASS_EN 0x00000001
1011 +#define AR2315_MISCCLK_PROCREFCLK 0x00000002
1014 + * SDRAM Controller
1015 + * - No read or write buffers are included.
1017 +#define AR2315_MEM_CFG 0x0000
1018 +#define AR2315_MEM_CTRL 0x000c
1019 +#define AR2315_MEM_REF 0x0010
1021 +#define AR2315_MEM_CFG_DATA_WIDTH_M 0x00006000
1022 +#define AR2315_MEM_CFG_DATA_WIDTH_S 13
1023 +#define AR2315_MEM_CFG_COL_WIDTH_M 0x00001e00
1024 +#define AR2315_MEM_CFG_COL_WIDTH_S 9
1025 +#define AR2315_MEM_CFG_ROW_WIDTH_M 0x000001e0
1026 +#define AR2315_MEM_CFG_ROW_WIDTH_S 5
1027 +#define AR2315_MEM_CFG_BANKADDR_BITS_M 0x00000018
1028 +#define AR2315_MEM_CFG_BANKADDR_BITS_S 3
1031 + * Local Bus Interface Registers
1033 +#define AR2315_LB_CONFIG 0x0000
1035 +#define AR2315_LBCONF_OE 0x00000001 /* =1 OE is low-true */
1036 +#define AR2315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */
1037 +#define AR2315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */
1038 +#define AR2315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */
1039 +#define AR2315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */
1040 +#define AR2315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */
1041 +#define AR2315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */
1042 +#define AR2315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */
1043 +#define AR2315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */
1044 +#define AR2315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */
1045 +#define AR2315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */
1046 +#define AR2315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */
1047 +#define AR2315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */
1048 +#define AR2315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */
1049 +#define AR2315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */
1050 +#define AR2315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */
1051 +#define AR2315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */
1052 +#define AR2315_LBCONF_INT 0x00020000 /* =1 Intr is low true */
1053 +#define AR2315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */
1054 +#define AR2315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */
1055 +#define AR2315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */
1056 +#define AR2315_LBCONF_INT_CTR3 0x000C0000 /* GND drive, Vdd drive */
1057 +#define AR2315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */
1058 +#define AR2315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */
1059 +#define AR2315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */
1061 +#define AR2315_LB_CLKSEL 0x0004
1063 +#define AR2315_LBCLK_EXT 0x0001 /* use external clk for lb */
1065 +#define AR2315_LB_1MS 0x0008
1067 +#define AR2315_LB1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
1069 +#define AR2315_LB_MISCCFG 0x000c
1070 +#define AR2315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */
1071 +#define AR2315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */
1072 +#define AR2315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */
1073 +#define AR2315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */
1074 +#define AR2315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */
1075 +#define AR2315_LBM_TIMEOUT_M 0x00ffff80
1076 +#define AR2315_LBM_TIMEOUT_S 7
1077 +#define AR2315_LBM_PORTMUX 0x07000000
1079 +#define AR2315_LB_RXTSOFF 0x0010
1081 +#define AR2315_LB_TX_CHAIN_EN 0x0100
1083 +#define AR2315_LB_TXEN_0 0x01
1084 +#define AR2315_LB_TXEN_1 0x02
1085 +#define AR2315_LB_TXEN_2 0x04
1086 +#define AR2315_LB_TXEN_3 0x08
1088 +#define AR2315_LB_TX_CHAIN_DIS 0x0104
1089 +#define AR2315_LB_TX_DESC_PTR 0x0200
1091 +#define AR2315_LB_RX_CHAIN_EN 0x0400
1093 +#define AR2315_LB_RXEN 0x01
1095 +#define AR2315_LB_RX_CHAIN_DIS 0x0404
1096 +#define AR2315_LB_RX_DESC_PTR 0x0408
1098 +#define AR2315_LB_INT_STATUS 0x0500
1100 +#define AR2315_LB_INT_TX_DESC 0x00000001
1101 +#define AR2315_LB_INT_TX_OK 0x00000002
1102 +#define AR2315_LB_INT_TX_ERR 0x00000004
1103 +#define AR2315_LB_INT_TX_EOF 0x00000008
1104 +#define AR2315_LB_INT_RX_DESC 0x00000010
1105 +#define AR2315_LB_INT_RX_OK 0x00000020
1106 +#define AR2315_LB_INT_RX_ERR 0x00000040
1107 +#define AR2315_LB_INT_RX_EOF 0x00000080
1108 +#define AR2315_LB_INT_TX_TRUNC 0x00000100
1109 +#define AR2315_LB_INT_TX_STARVE 0x00000200
1110 +#define AR2315_LB_INT_LB_TIMEOUT 0x00000400
1111 +#define AR2315_LB_INT_LB_ERR 0x00000800
1112 +#define AR2315_LB_INT_MBOX_WR 0x00001000
1113 +#define AR2315_LB_INT_MBOX_RD 0x00002000
1115 +/* Bit definitions for INT MASK are the same as INT_STATUS */
1116 +#define AR2315_LB_INT_MASK 0x0504
1118 +#define AR2315_LB_INT_EN 0x0508
1119 +#define AR2315_LB_MBOX 0x0600
1121 +#endif /* __ASM_MACH_ATH25_AR2315_REGS_H */
1123 +++ b/arch/mips/ath25/ar5312_regs.h
1126 + * This file is subject to the terms and conditions of the GNU General Public
1127 + * License. See the file "COPYING" in the main directory of this archive
1128 + * for more details.
1130 + * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
1131 + * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
1132 + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
1135 +#ifndef __ASM_MACH_ATH25_AR5312_REGS_H
1136 +#define __ASM_MACH_ATH25_AR5312_REGS_H
1138 +#include <asm/addrspace.h>
1143 +#define AR5312_IRQ_WLAN0 (MIPS_CPU_IRQ_BASE + 2) /* C0_CAUSE: 0x0400 */
1144 +#define AR5312_IRQ_ENET0 (MIPS_CPU_IRQ_BASE + 3) /* C0_CAUSE: 0x0800 */
1145 +#define AR5312_IRQ_ENET1 (MIPS_CPU_IRQ_BASE + 4) /* C0_CAUSE: 0x1000 */
1146 +#define AR5312_IRQ_WLAN1 (MIPS_CPU_IRQ_BASE + 5) /* C0_CAUSE: 0x2000 */
1147 +#define AR5312_IRQ_MISC (MIPS_CPU_IRQ_BASE + 6) /* C0_CAUSE: 0x4000 */
1150 + * Miscellaneous interrupts, which share IP6.
1152 +#define AR5312_MISC_IRQ_TIMER (AR231X_MISC_IRQ_BASE+0)
1153 +#define AR5312_MISC_IRQ_AHB_PROC (AR231X_MISC_IRQ_BASE+1)
1154 +#define AR5312_MISC_IRQ_AHB_DMA (AR231X_MISC_IRQ_BASE+2)
1155 +#define AR5312_MISC_IRQ_GPIO (AR231X_MISC_IRQ_BASE+3)
1156 +#define AR5312_MISC_IRQ_UART0 (AR231X_MISC_IRQ_BASE+4)
1157 +#define AR5312_MISC_IRQ_UART0_DMA (AR231X_MISC_IRQ_BASE+5)
1158 +#define AR5312_MISC_IRQ_WATCHDOG (AR231X_MISC_IRQ_BASE+6)
1159 +#define AR5312_MISC_IRQ_LOCAL (AR231X_MISC_IRQ_BASE+7)
1160 +#define AR5312_MISC_IRQ_SPI (AR231X_MISC_IRQ_BASE+8)
1161 +#define AR5312_MISC_IRQ_COUNT 9
1166 + * The AR5312 supports 2 enet MACS, even though many reference boards only
1167 + * actually use 1 of them (i.e. Only MAC 0 is actually connected to an enet
1168 + * PHY or PHY switch. The AR2312 supports 1 enet MAC.
1170 +#define AR5312_WLAN0_BASE 0x18000000
1171 +#define AR5312_ENET0_BASE 0x18100000
1172 +#define AR5312_ENET1_BASE 0x18200000
1173 +#define AR5312_SDRAMCTL_BASE 0x18300000
1174 +#define AR5312_SDRAMCTL_SIZE 0x00000010
1175 +#define AR5312_FLASHCTL_BASE 0x18400000
1176 +#define AR5312_FLASHCTL_SIZE 0x00000010
1177 +#define AR5312_WLAN1_BASE 0x18500000
1178 +#define AR5312_UART0_BASE 0x1c000000 /* UART MMR */
1179 +#define AR5312_GPIO_BASE 0x1c002000
1180 +#define AR5312_GPIO_SIZE 0x00000010
1181 +#define AR5312_RST_BASE 0x1c003000
1182 +#define AR5312_RST_SIZE 0x00000100
1183 +#define AR5312_FLASH_BASE 0x1e000000
1184 +#define AR5312_FLASH_SIZE 0x00800000
1187 + * Need these defines to determine true number of ethernet MACs
1189 +#define AR5312_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */
1190 +#define AR5312_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */
1191 +#define AR5312_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */
1193 +/* MII registers offset inside Ethernet MMR region */
1194 +#define AR5312_ENET0_MII_BASE (AR5312_ENET0_BASE + 0x14)
1195 +#define AR5312_ENET1_MII_BASE (AR5312_ENET1_BASE + 0x14)
1197 +/* Reset/Timer Block Address Map */
1198 +#define AR5312_TIMER 0x0000 /* countdown timer */
1199 +#define AR5312_RELOAD 0x0004 /* timer reload value */
1200 +#define AR5312_WDT_CTRL 0x0008 /* watchdog cntrl */
1201 +#define AR5312_WDT_TIMER 0x000c /* watchdog timer */
1202 +#define AR5312_ISR 0x0010 /* Intr Status Reg */
1203 +#define AR5312_IMR 0x0014 /* Intr Mask Reg */
1204 +#define AR5312_RESET 0x0020
1205 +#define AR5312_CLOCKCTL1 0x0064
1206 +#define AR5312_SCRATCH 0x006c
1207 +#define AR5312_PROCADDR 0x0070
1208 +#define AR5312_PROC1 0x0074
1209 +#define AR5312_DMAADDR 0x0078
1210 +#define AR5312_DMA1 0x007c
1211 +#define AR5312_ENABLE 0x0080 /* interface enb */
1212 +#define AR5312_REV 0x0090 /* revision */
1214 +/* AR5312_WDT_CTRL register bit field definitions */
1215 +#define AR5312_WDT_CTRL_IGNORE 0x00000000 /* ignore expiration */
1216 +#define AR5312_WDT_CTRL_NMI 0x00000001
1217 +#define AR5312_WDT_CTRL_RESET 0x00000002
1219 +/* AR5312_ISR register bit field definitions */
1220 +#define AR5312_ISR_TIMER 0x0001
1221 +#define AR5312_ISR_AHBPROC 0x0002
1222 +#define AR5312_ISR_AHBDMA 0x0004
1223 +#define AR5312_ISR_GPIO 0x0008
1224 +#define AR5312_ISR_UART0 0x0010
1225 +#define AR5312_ISR_UART0DMA 0x0020
1226 +#define AR5312_ISR_WD 0x0040
1227 +#define AR5312_ISR_LOCAL 0x0080
1229 +/* AR5312_RESET register bit field definitions */
1230 +#define AR5312_RESET_SYSTEM 0x00000001 /* cold reset full system */
1231 +#define AR5312_RESET_PROC 0x00000002 /* cold reset MIPS core */
1232 +#define AR5312_RESET_WLAN0 0x00000004 /* cold reset WLAN MAC and BB */
1233 +#define AR5312_RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */
1234 +#define AR5312_RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */
1235 +#define AR5312_RESET_ENET0 0x00000020 /* cold reset ENET0 mac */
1236 +#define AR5312_RESET_ENET1 0x00000040 /* cold reset ENET1 mac */
1237 +#define AR5312_RESET_UART0 0x00000100 /* cold reset UART0 (high speed) */
1238 +#define AR5312_RESET_WLAN1 0x00000200 /* cold reset WLAN MAC/BB */
1239 +#define AR5312_RESET_APB 0x00000400 /* cold reset APB (ar5312) */
1240 +#define AR5312_RESET_WARM_PROC 0x00001000 /* warm reset MIPS core */
1241 +#define AR5312_RESET_WARM_WLAN0_MAC 0x00002000 /* warm reset WLAN0 MAC */
1242 +#define AR5312_RESET_WARM_WLAN0_BB 0x00004000 /* warm reset WLAN0 BaseBand */
1243 +#define AR5312_RESET_NMI 0x00010000 /* send an NMI to the processor */
1244 +#define AR5312_RESET_WARM_WLAN1_MAC 0x00020000 /* warm reset WLAN1 mac */
1245 +#define AR5312_RESET_WARM_WLAN1_BB 0x00040000 /* warm reset WLAN1 baseband */
1246 +#define AR5312_RESET_LOCAL_BUS 0x00080000 /* reset local bus */
1247 +#define AR5312_RESET_WDOG 0x00100000 /* last reset was a watchdog */
1249 +#define AR5312_RESET_WMAC0_BITS \
1250 + (AR5312_RESET_WLAN0 |\
1251 + AR5312_RESET_WARM_WLAN0_MAC |\
1252 + AR5312_RESET_WARM_WLAN0_BB)
1254 +#define AR5312_RESET_WMAC1_BITS \
1255 + (AR5312_RESET_WLAN1 |\
1256 + AR5312_RESET_WARM_WLAN1_MAC |\
1257 + AR5312_RESET_WARM_WLAN1_BB)
1259 +/* AR5312_CLOCKCTL1 register bit field definitions */
1260 +#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030
1261 +#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4
1262 +#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00
1263 +#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8
1264 +#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000
1266 +/* Valid for AR5312 and AR2312 */
1267 +#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030
1268 +#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4
1269 +#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00
1270 +#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8
1271 +#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000
1273 +/* Valid for AR2313 */
1274 +#define AR2313_CLOCKCTL1_PREDIVIDE_MASK 0x00003000
1275 +#define AR2313_CLOCKCTL1_PREDIVIDE_SHIFT 12
1276 +#define AR2313_CLOCKCTL1_MULTIPLIER_MASK 0x001f0000
1277 +#define AR2313_CLOCKCTL1_MULTIPLIER_SHIFT 16
1278 +#define AR2313_CLOCKCTL1_DOUBLER_MASK 0x00000000
1280 +/* AR5312_ENABLE register bit field definitions */
1281 +#define AR5312_ENABLE_WLAN0 0x0001
1282 +#define AR5312_ENABLE_ENET0 0x0002
1283 +#define AR5312_ENABLE_ENET1 0x0004
1284 +#define AR5312_ENABLE_UART_AND_WLAN1_PIO 0x0008 /* UART, and WLAN1 PIOs */
1285 +#define AR5312_ENABLE_WLAN1_DMA 0x0010 /* WLAN1 DMAs */
1286 +#define AR5312_ENABLE_WLAN1 \
1287 + (AR5312_ENABLE_UART_AND_WLAN1_PIO |\
1288 + AR5312_ENABLE_WLAN1_DMA)
1290 +/* AR5312_REV register bit field definitions */
1291 +#define AR5312_REV_WMAC_MAJ 0xf000
1292 +#define AR5312_REV_WMAC_MAJ_S 12
1293 +#define AR5312_REV_WMAC_MIN 0x0f00
1294 +#define AR5312_REV_WMAC_MIN_S 8
1295 +#define AR5312_REV_MAJ 0x00f0
1296 +#define AR5312_REV_MAJ_S 4
1297 +#define AR5312_REV_MIN 0x000f
1298 +#define AR5312_REV_MIN_S 0
1299 +#define AR5312_REV_CHIP (AR5312_REV_MAJ|AR5312_REV_MIN)
1301 +/* Major revision numbers, bits 7..4 of Revision ID register */
1302 +#define AR5312_REV_MAJ_AR5312 0x4
1303 +#define AR5312_REV_MAJ_AR2313 0x5
1305 +/* Minor revision numbers, bits 3..0 of Revision ID register */
1306 +#define AR5312_REV_MIN_DUAL 0x0 /* Dual WLAN version */
1307 +#define AR5312_REV_MIN_SINGLE 0x1 /* Single WLAN version */
1309 +/* ARM Flash Controller -- 3 flash banks with either x8 or x16 devices. */
1310 +#define AR5312_FLASHCTL0 0x0000
1311 +#define AR5312_FLASHCTL1 0x0004
1312 +#define AR5312_FLASHCTL2 0x0008
1314 +/* AR5312_FLASHCTL register bit field definitions */
1315 +#define AR5312_FLASHCTL_IDCY 0x0000000f /* Idle cycle turnaround time */
1316 +#define AR5312_FLASHCTL_IDCY_S 0
1317 +#define AR5312_FLASHCTL_WST1 0x000003e0 /* Wait state 1 */
1318 +#define AR5312_FLASHCTL_WST1_S 5
1319 +#define AR5312_FLASHCTL_RBLE 0x00000400 /* Read byte lane enable */
1320 +#define AR5312_FLASHCTL_WST2 0x0000f800 /* Wait state 2 */
1321 +#define AR5312_FLASHCTL_WST2_S 11
1322 +#define AR5312_FLASHCTL_AC 0x00070000 /* Flash addr check (added) */
1323 +#define AR5312_FLASHCTL_AC_S 16
1324 +#define AR5312_FLASHCTL_AC_128K 0x00000000
1325 +#define AR5312_FLASHCTL_AC_256K 0x00010000
1326 +#define AR5312_FLASHCTL_AC_512K 0x00020000
1327 +#define AR5312_FLASHCTL_AC_1M 0x00030000
1328 +#define AR5312_FLASHCTL_AC_2M 0x00040000
1329 +#define AR5312_FLASHCTL_AC_4M 0x00050000
1330 +#define AR5312_FLASHCTL_AC_8M 0x00060000
1331 +#define AR5312_FLASHCTL_AC_RES 0x00070000 /* 16MB is not supported */
1332 +#define AR5312_FLASHCTL_E 0x00080000 /* Flash bank enable (added) */
1333 +#define AR5312_FLASHCTL_BUSERR 0x01000000 /* Bus transfer error flag */
1334 +#define AR5312_FLASHCTL_WPERR 0x02000000 /* Write protect error flag */
1335 +#define AR5312_FLASHCTL_WP 0x04000000 /* Write protect */
1336 +#define AR5312_FLASHCTL_BM 0x08000000 /* Burst mode */
1337 +#define AR5312_FLASHCTL_MW 0x30000000 /* Mem width */
1338 +#define AR5312_FLASHCTL_MW8 0x00000000 /* Mem width x8 */
1339 +#define AR5312_FLASHCTL_MW16 0x10000000 /* Mem width x16 */
1340 +#define AR5312_FLASHCTL_MW32 0x20000000 /* Mem width x32 (not supp) */
1341 +#define AR5312_FLASHCTL_ATNR 0x00000000 /* Access == no retry */
1342 +#define AR5312_FLASHCTL_ATR 0x80000000 /* Access == retry every */
1343 +#define AR5312_FLASHCTL_ATR4 0xc0000000 /* Access == retry every 4 */
1345 +/* ARM SDRAM Controller -- just enough to determine memory size */
1346 +#define AR5312_MEM_CFG1 0x0004
1348 +#define AR5312_MEM_CFG1_AC0_M 0x00000700 /* bank 0: SDRAM addr check */
1349 +#define AR5312_MEM_CFG1_AC0_S 8
1350 +#define AR5312_MEM_CFG1_AC1_M 0x00007000 /* bank 1: SDRAM addr check */
1351 +#define AR5312_MEM_CFG1_AC1_S 12
1353 +#endif /* __ASM_MACH_ATH25_AR5312_REGS_H */
1355 +++ b/arch/mips/ath25/ar5312.c
1358 + * This file is subject to the terms and conditions of the GNU General Public
1359 + * License. See the file "COPYING" in the main directory of this archive
1360 + * for more details.
1362 + * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
1363 + * Copyright (C) 2006 FON Technology, SL.
1364 + * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
1365 + * Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
1366 + * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com>
1370 + * Platform devices for Atheros SoCs
1373 +#include <generated/autoconf.h>
1374 +#include <linux/init.h>
1375 +#include <linux/module.h>
1376 +#include <linux/types.h>
1377 +#include <linux/string.h>
1378 +#include <linux/mtd/physmap.h>
1379 +#include <linux/platform_device.h>
1380 +#include <linux/kernel.h>
1381 +#include <linux/reboot.h>
1382 +#include <linux/leds.h>
1383 +#include <linux/gpio.h>
1384 +#include <asm/bootinfo.h>
1385 +#include <asm/reboot.h>
1386 +#include <asm/time.h>
1387 +#include <linux/irq.h>
1388 +#include <linux/io.h>
1390 +#include <ath25_platform.h>
1392 +#include "devices.h"
1393 +#include "ar5312.h"
1394 +#include "ar5312_regs.h"
1396 +static void __iomem *ar5312_rst_base;
1398 +static inline u32 ar5312_rst_reg_read(u32 reg)
1400 + return __raw_readl(ar5312_rst_base + reg);
1403 +static inline void ar5312_rst_reg_write(u32 reg, u32 val)
1405 + __raw_writel(val, ar5312_rst_base + reg);
1408 +static inline void ar5312_rst_reg_mask(u32 reg, u32 mask, u32 val)
1410 + u32 ret = ar5312_rst_reg_read(reg);
1414 + ar5312_rst_reg_write(reg, ret);
1417 +static irqreturn_t ar5312_ahb_err_handler(int cpl, void *dev_id)
1419 + u32 proc1 = ar5312_rst_reg_read(AR5312_PROC1);
1420 + u32 proc_addr = ar5312_rst_reg_read(AR5312_PROCADDR); /* clears error */
1421 + u32 dma1 = ar5312_rst_reg_read(AR5312_DMA1);
1422 + u32 dma_addr = ar5312_rst_reg_read(AR5312_DMAADDR); /* clears error */
1424 + pr_emerg("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n",
1425 + proc_addr, proc1, dma_addr, dma1);
1427 + machine_restart("AHB error"); /* Catastrophic failure */
1428 + return IRQ_HANDLED;
1431 +static struct irqaction ar5312_ahb_err_interrupt = {
1432 + .handler = ar5312_ahb_err_handler,
1433 + .name = "ar5312-ahb-error",
1436 +static void ar5312_misc_irq_handler(unsigned irq, struct irq_desc *desc)
1438 + unsigned int ar231x_misc_intrs = ar5312_rst_reg_read(AR5312_ISR) &
1439 + ar5312_rst_reg_read(AR5312_IMR);
1441 + if (ar231x_misc_intrs & AR5312_ISR_TIMER) {
1442 + generic_handle_irq(AR5312_MISC_IRQ_TIMER);
1443 + (void)ar5312_rst_reg_read(AR5312_TIMER);
1444 + } else if (ar231x_misc_intrs & AR5312_ISR_AHBPROC)
1445 + generic_handle_irq(AR5312_MISC_IRQ_AHB_PROC);
1446 + else if ((ar231x_misc_intrs & AR5312_ISR_UART0))
1447 + generic_handle_irq(AR5312_MISC_IRQ_UART0);
1448 + else if (ar231x_misc_intrs & AR5312_ISR_WD)
1449 + generic_handle_irq(AR5312_MISC_IRQ_WATCHDOG);
1451 + spurious_interrupt();
1454 +/* Enable the specified AR5312_MISC_IRQ interrupt */
1455 +static void ar5312_misc_irq_unmask(struct irq_data *d)
1459 + imr = ar5312_rst_reg_read(AR5312_IMR);
1460 + imr |= 1 << (d->irq - AR231X_MISC_IRQ_BASE);
1461 + ar5312_rst_reg_write(AR5312_IMR, imr);
1464 +/* Disable the specified AR5312_MISC_IRQ interrupt */
1465 +static void ar5312_misc_irq_mask(struct irq_data *d)
1469 + imr = ar5312_rst_reg_read(AR5312_IMR);
1470 + imr &= ~(1 << (d->irq - AR231X_MISC_IRQ_BASE));
1471 + ar5312_rst_reg_write(AR5312_IMR, imr);
1472 + ar5312_rst_reg_read(AR5312_IMR); /* flush write buffer */
1475 +static struct irq_chip ar5312_misc_irq_chip = {
1476 + .name = "ar5312-misc",
1477 + .irq_unmask = ar5312_misc_irq_unmask,
1478 + .irq_mask = ar5312_misc_irq_mask,
1481 +static void ar5312_irq_dispatch(void)
1483 + int pending = read_c0_status() & read_c0_cause();
1485 + if (pending & CAUSEF_IP2)
1486 + do_IRQ(AR5312_IRQ_WLAN0);
1487 + else if (pending & CAUSEF_IP3)
1488 + do_IRQ(AR5312_IRQ_ENET0);
1489 + else if (pending & CAUSEF_IP4)
1490 + do_IRQ(AR5312_IRQ_ENET1);
1491 + else if (pending & CAUSEF_IP5)
1492 + do_IRQ(AR5312_IRQ_WLAN1);
1493 + else if (pending & CAUSEF_IP6)
1494 + do_IRQ(AR5312_IRQ_MISC);
1495 + else if (pending & CAUSEF_IP7)
1496 + do_IRQ(ATH25_IRQ_CPU_CLOCK);
1498 + spurious_interrupt();
1501 +void __init ar5312_arch_init_irq(void)
1505 + ath25_irq_dispatch = ar5312_irq_dispatch;
1506 + for (i = 0; i < AR5312_MISC_IRQ_COUNT; i++) {
1507 + int irq = AR231X_MISC_IRQ_BASE + i;
1509 + irq_set_chip_and_handler(irq, &ar5312_misc_irq_chip,
1510 + handle_level_irq);
1512 + setup_irq(AR5312_MISC_IRQ_AHB_PROC, &ar5312_ahb_err_interrupt);
1513 + irq_set_chained_handler(AR5312_IRQ_MISC, ar5312_misc_irq_handler);
1516 +static void ar5312_device_reset_set(u32 mask)
1520 + val = ar5312_rst_reg_read(AR5312_RESET);
1521 + ar5312_rst_reg_write(AR5312_RESET, val | mask);
1524 +static void ar5312_device_reset_clear(u32 mask)
1528 + val = ar5312_rst_reg_read(AR5312_RESET);
1529 + ar5312_rst_reg_write(AR5312_RESET, val & ~mask);
1532 +static struct physmap_flash_data ar5312_flash_data = {
1536 +static struct resource ar5312_flash_resource = {
1537 + .start = AR5312_FLASH_BASE,
1538 + .end = AR5312_FLASH_BASE + AR5312_FLASH_SIZE - 1,
1539 + .flags = IORESOURCE_MEM,
1542 +static struct ar231x_eth ar5312_eth0_data = {
1543 + .reset_set = ar5312_device_reset_set,
1544 + .reset_clear = ar5312_device_reset_clear,
1545 + .reset_mac = AR5312_RESET_ENET0,
1546 + .reset_phy = AR5312_RESET_EPHY0,
1549 +static struct ar231x_eth ar5312_eth1_data = {
1550 + .reset_set = ar5312_device_reset_set,
1551 + .reset_clear = ar5312_device_reset_clear,
1552 + .reset_mac = AR5312_RESET_ENET1,
1553 + .reset_phy = AR5312_RESET_EPHY1,
1556 +static struct platform_device ar5312_physmap_flash = {
1557 + .name = "physmap-flash",
1559 + .dev.platform_data = &ar5312_flash_data,
1560 + .resource = &ar5312_flash_resource,
1561 + .num_resources = 1,
1564 +#ifdef CONFIG_LEDS_GPIO
1565 +static struct gpio_led ar5312_leds[] = {
1566 + { .name = "wlan", .gpio = 0, .active_low = 1, },
1569 +static const struct gpio_led_platform_data ar5312_led_data = {
1570 + .num_leds = ARRAY_SIZE(ar5312_leds),
1571 + .leds = (void *)ar5312_leds,
1574 +static struct platform_device ar5312_gpio_leds = {
1575 + .name = "leds-gpio",
1577 + .dev.platform_data = (void *)&ar5312_led_data,
1581 +static void __init ar5312_flash_init(void)
1583 + void __iomem *flashctl_base;
1586 + flashctl_base = ioremap_nocache(AR5312_FLASHCTL_BASE,
1587 + AR5312_FLASHCTL_SIZE);
1589 + ctl = __raw_readl(flashctl_base + AR5312_FLASHCTL0);
1590 + ctl &= AR5312_FLASHCTL_MW;
1592 + /* fixup flash width */
1594 + case AR5312_FLASHCTL_MW16:
1595 + ar5312_flash_data.width = 2;
1597 + case AR5312_FLASHCTL_MW8:
1599 + ar5312_flash_data.width = 1;
1604 + * Configure flash bank 0.
1605 + * Assume 8M window size. Flash will be aliased if it's smaller
1607 + ctl |= AR5312_FLASHCTL_E | AR5312_FLASHCTL_AC_8M | AR5312_FLASHCTL_RBLE;
1608 + ctl |= 0x01 << AR5312_FLASHCTL_IDCY_S;
1609 + ctl |= 0x07 << AR5312_FLASHCTL_WST1_S;
1610 + ctl |= 0x07 << AR5312_FLASHCTL_WST2_S;
1611 + __raw_writel(ctl, flashctl_base + AR5312_FLASHCTL0);
1613 + /* Disable other flash banks */
1614 + ctl = __raw_readl(flashctl_base + AR5312_FLASHCTL1);
1615 + ctl &= ~(AR5312_FLASHCTL_E | AR5312_FLASHCTL_AC);
1616 + __raw_writel(ctl, flashctl_base + AR5312_FLASHCTL1);
1617 + ctl = __raw_readl(flashctl_base + AR5312_FLASHCTL2);
1618 + ctl &= ~(AR5312_FLASHCTL_E | AR5312_FLASHCTL_AC);
1619 + __raw_writel(ctl, flashctl_base + AR5312_FLASHCTL2);
1621 + iounmap(flashctl_base);
1624 +void __init ar5312_init_devices(void)
1626 + struct ath25_boarddata *config;
1629 + ar5312_flash_init();
1631 + /* Locate board/radio config data */
1632 + ath25_find_config(AR5312_FLASH_BASE, AR5312_FLASH_SIZE);
1633 + config = ath25_board.config;
1635 + /* AR2313 has CPU minor rev. 10 */
1636 + if ((current_cpu_data.processor_id & 0xff) == 0x0a)
1637 + ath25_soc = ATH25_SOC_AR2313;
1639 + /* AR2312 shares the same Silicon ID as AR5312 */
1640 + else if (config->flags & BD_ISCASPER)
1641 + ath25_soc = ATH25_SOC_AR2312;
1643 + /* Everything else is probably AR5312 or compatible */
1645 + ath25_soc = ATH25_SOC_AR5312;
1647 + platform_device_register(&ar5312_physmap_flash);
1649 +#ifdef CONFIG_LEDS_GPIO
1650 + ar5312_leds[0].gpio = config->sys_led_gpio;
1651 + platform_device_register(&ar5312_gpio_leds);
1654 + /* Fix up MAC addresses if necessary */
1655 + if (is_broadcast_ether_addr(config->enet0_mac))
1656 + ether_addr_copy(config->enet0_mac, config->enet1_mac);
1658 + /* If ENET0 and ENET1 have the same mac address,
1659 + * increment the one from ENET1 */
1660 + if (ether_addr_equal(config->enet0_mac, config->enet1_mac)) {
1661 + c = config->enet1_mac + 5;
1662 + while ((c >= config->enet1_mac) && !(++(*c)))
1666 + switch (ath25_soc) {
1667 + case ATH25_SOC_AR5312:
1668 + ar5312_eth0_data.macaddr = config->enet0_mac;
1669 + ath25_add_ethernet(0, AR5312_ENET0_BASE, "eth0_mii",
1670 + AR5312_ENET0_MII_BASE, AR5312_IRQ_ENET0,
1671 + &ar5312_eth0_data);
1673 + ar5312_eth1_data.macaddr = config->enet1_mac;
1674 + ath25_add_ethernet(1, AR5312_ENET1_BASE, "eth1_mii",
1675 + AR5312_ENET1_MII_BASE, AR5312_IRQ_ENET1,
1676 + &ar5312_eth1_data);
1678 + if (!ath25_board.radio)
1681 + if (!(config->flags & BD_WLAN0))
1684 + ath25_add_wmac(0, AR5312_WLAN0_BASE, AR5312_IRQ_WLAN0);
1687 + * AR2312/3 ethernet uses the PHY of ENET0, but the MAC
1688 + * of ENET1. Atheros calls it 'twisted' for a reason :)
1690 + case ATH25_SOC_AR2312:
1691 + case ATH25_SOC_AR2313:
1692 + ar5312_eth1_data.reset_phy = ar5312_eth0_data.reset_phy;
1693 + ar5312_eth1_data.macaddr = config->enet0_mac;
1694 + ath25_add_ethernet(1, AR5312_ENET1_BASE, "eth0_mii",
1695 + AR5312_ENET0_MII_BASE, AR5312_IRQ_ENET1,
1696 + &ar5312_eth1_data);
1698 + if (!ath25_board.radio)
1705 + if (config->flags & BD_WLAN1)
1706 + ath25_add_wmac(1, AR5312_WLAN1_BASE, AR5312_IRQ_WLAN1);
1709 +static void ar5312_restart(char *command)
1711 + /* reset the system */
1712 + local_irq_disable();
1714 + ar5312_rst_reg_write(AR5312_RESET, AR5312_RESET_SYSTEM);
1718 + * This table is indexed by bits 5..4 of the CLOCKCTL1 register
1719 + * to determine the predevisor value.
1721 +static unsigned clockctl1_predivide_table[4] __initdata = { 1, 2, 4, 5 };
1723 +static unsigned __init ar5312_cpu_frequency(void)
1725 + unsigned int scratch;
1726 + unsigned int predivide_mask, predivide_shift;
1727 + unsigned int multiplier_mask, multiplier_shift;
1728 + unsigned int clock_ctl1, predivide_select, predivisor, multiplier;
1729 + unsigned int doubler_mask;
1732 + /* Trust the bootrom's idea of cpu frequency. */
1733 + scratch = ar5312_rst_reg_read(AR5312_SCRATCH);
1737 + devid = ar5312_rst_reg_read(AR5312_REV);
1738 + devid &= AR5312_REV_MAJ;
1739 + devid >>= AR5312_REV_MAJ_S;
1740 + if (devid == AR5312_REV_MAJ_AR2313) {
1741 + predivide_mask = AR2313_CLOCKCTL1_PREDIVIDE_MASK;
1742 + predivide_shift = AR2313_CLOCKCTL1_PREDIVIDE_SHIFT;
1743 + multiplier_mask = AR2313_CLOCKCTL1_MULTIPLIER_MASK;
1744 + multiplier_shift = AR2313_CLOCKCTL1_MULTIPLIER_SHIFT;
1745 + doubler_mask = AR2313_CLOCKCTL1_DOUBLER_MASK;
1746 + } else { /* AR5312 and AR2312 */
1747 + predivide_mask = AR5312_CLOCKCTL1_PREDIVIDE_MASK;
1748 + predivide_shift = AR5312_CLOCKCTL1_PREDIVIDE_SHIFT;
1749 + multiplier_mask = AR5312_CLOCKCTL1_MULTIPLIER_MASK;
1750 + multiplier_shift = AR5312_CLOCKCTL1_MULTIPLIER_SHIFT;
1751 + doubler_mask = AR5312_CLOCKCTL1_DOUBLER_MASK;
1755 + * Clocking is derived from a fixed 40MHz input clock.
1757 + * cpu_freq = input_clock * MULT (where MULT is PLL multiplier)
1758 + * sys_freq = cpu_freq / 4 (used for APB clock, serial,
1759 + * flash, Timer, Watchdog Timer)
1761 + * cnt_freq = cpu_freq / 2 (use for CPU count/compare)
1763 + * So, for example, with a PLL multiplier of 5, we have
1765 + * cpu_freq = 200MHz
1766 + * sys_freq = 50MHz
1767 + * cnt_freq = 100MHz
1769 + * We compute the CPU frequency, based on PLL settings.
1772 + clock_ctl1 = ar5312_rst_reg_read(AR5312_CLOCKCTL1);
1773 + predivide_select = (clock_ctl1 & predivide_mask) >> predivide_shift;
1774 + predivisor = clockctl1_predivide_table[predivide_select];
1775 + multiplier = (clock_ctl1 & multiplier_mask) >> multiplier_shift;
1777 + if (clock_ctl1 & doubler_mask)
1778 + multiplier = multiplier << 1;
1780 + return (40000000 / predivisor) * multiplier;
1783 +static inline unsigned ar5312_sys_frequency(void)
1785 + return ar5312_cpu_frequency() / 4;
1788 +void __init ar5312_plat_time_init(void)
1790 + mips_hpt_frequency = ar5312_cpu_frequency() / 2;
1793 +void __init ar5312_plat_mem_setup(void)
1795 + void __iomem *sdram_base;
1796 + u32 memsize, memcfg, bank0_ac, bank1_ac;
1799 + /* Detect memory size */
1800 + sdram_base = ioremap_nocache(AR5312_SDRAMCTL_BASE,
1801 + AR5312_SDRAMCTL_SIZE);
1802 + memcfg = __raw_readl(sdram_base + AR5312_MEM_CFG1);
1803 + bank0_ac = ATH25_REG_MS(memcfg, AR5312_MEM_CFG1_AC0);
1804 + bank1_ac = ATH25_REG_MS(memcfg, AR5312_MEM_CFG1_AC1);
1805 + memsize = (bank0_ac ? (1 << (bank0_ac + 1)) : 0) +
1806 + (bank1_ac ? (1 << (bank1_ac + 1)) : 0);
1808 + add_memory_region(0, memsize, BOOT_MEM_RAM);
1809 + iounmap(sdram_base);
1811 + ar5312_rst_base = ioremap_nocache(AR5312_RST_BASE, AR5312_RST_SIZE);
1813 + devid = ar5312_rst_reg_read(AR5312_REV);
1814 + devid >>= AR5312_REV_WMAC_MIN_S;
1815 + devid &= AR5312_REV_CHIP;
1816 + ath25_board.devid = (u16)devid;
1818 + /* Clear any lingering AHB errors */
1819 + ar5312_rst_reg_read(AR5312_PROCADDR);
1820 + ar5312_rst_reg_read(AR5312_DMAADDR);
1821 + ar5312_rst_reg_write(AR5312_WDT_CTRL, AR5312_WDT_CTRL_IGNORE);
1823 + _machine_restart = ar5312_restart;
1826 +void __init ar5312_arch_init(void)
1828 + ath25_serial_setup(AR5312_UART0_BASE, AR5312_MISC_IRQ_UART0,
1829 + ar5312_sys_frequency());
1832 +++ b/arch/mips/ath25/ar2315.c
1835 + * This file is subject to the terms and conditions of the GNU General Public
1836 + * License. See the file "COPYING" in the main directory of this archive
1837 + * for more details.
1839 + * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
1840 + * Copyright (C) 2006 FON Technology, SL.
1841 + * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
1842 + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
1843 + * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com>
1847 + * Platform devices for Atheros SoCs
1850 +#include <generated/autoconf.h>
1851 +#include <linux/init.h>
1852 +#include <linux/module.h>
1853 +#include <linux/types.h>
1854 +#include <linux/string.h>
1855 +#include <linux/platform_device.h>
1856 +#include <linux/kernel.h>
1857 +#include <linux/reboot.h>
1858 +#include <linux/delay.h>
1859 +#include <linux/leds.h>
1860 +#include <linux/gpio.h>
1861 +#include <asm/bootinfo.h>
1862 +#include <asm/reboot.h>
1863 +#include <asm/time.h>
1864 +#include <linux/irq.h>
1865 +#include <linux/io.h>
1867 +#include <ath25_platform.h>
1869 +#include "devices.h"
1870 +#include "ar2315.h"
1871 +#include "ar2315_regs.h"
1873 +static void __iomem *ar2315_rst_base;
1875 +static inline u32 ar2315_rst_reg_read(u32 reg)
1877 + return __raw_readl(ar2315_rst_base + reg);
1880 +static inline void ar2315_rst_reg_write(u32 reg, u32 val)
1882 + __raw_writel(val, ar2315_rst_base + reg);
1885 +static inline void ar2315_rst_reg_mask(u32 reg, u32 mask, u32 val)
1887 + u32 ret = ar2315_rst_reg_read(reg);
1891 + ar2315_rst_reg_write(reg, ret);
1894 +static irqreturn_t ar2315_ahb_err_handler(int cpl, void *dev_id)
1896 + ar2315_rst_reg_write(AR2315_AHB_ERR0, AR2315_AHB_ERROR_DET);
1897 + ar2315_rst_reg_read(AR2315_AHB_ERR1);
1899 + pr_emerg("AHB fatal error\n");
1900 + machine_restart("AHB error"); /* Catastrophic failure */
1902 + return IRQ_HANDLED;
1905 +static struct irqaction ar2315_ahb_err_interrupt = {
1906 + .handler = ar2315_ahb_err_handler,
1907 + .name = "ar2315-ahb-error",
1910 +static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc)
1912 + unsigned int misc_intr = ar2315_rst_reg_read(AR2315_ISR) &
1913 + ar2315_rst_reg_read(AR2315_IMR);
1915 + if (misc_intr & AR2315_ISR_SPI)
1916 + generic_handle_irq(AR2315_MISC_IRQ_SPI);
1917 + else if (misc_intr & AR2315_ISR_TIMER)
1918 + generic_handle_irq(AR2315_MISC_IRQ_TIMER);
1919 + else if (misc_intr & AR2315_ISR_AHB)
1920 + generic_handle_irq(AR2315_MISC_IRQ_AHB);
1921 + else if (misc_intr & AR2315_ISR_GPIO) {
1922 + ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_GPIO);
1923 + generic_handle_irq(AR2315_MISC_IRQ_GPIO);
1924 + } else if (misc_intr & AR2315_ISR_UART0)
1925 + generic_handle_irq(AR2315_MISC_IRQ_UART0);
1926 + else if (misc_intr & AR2315_ISR_WD) {
1927 + ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_WD);
1928 + generic_handle_irq(AR2315_MISC_IRQ_WATCHDOG);
1930 + spurious_interrupt();
1933 +static void ar2315_misc_irq_unmask(struct irq_data *d)
1937 + imr = ar2315_rst_reg_read(AR2315_IMR);
1938 + imr |= 1 << (d->irq - AR231X_MISC_IRQ_BASE);
1939 + ar2315_rst_reg_write(AR2315_IMR, imr);
1942 +static void ar2315_misc_irq_mask(struct irq_data *d)
1946 + imr = ar2315_rst_reg_read(AR2315_IMR);
1947 + imr &= ~(1 << (d->irq - AR231X_MISC_IRQ_BASE));
1948 + ar2315_rst_reg_write(AR2315_IMR, imr);
1951 +static struct irq_chip ar2315_misc_irq_chip = {
1952 + .name = "ar2315-misc",
1953 + .irq_unmask = ar2315_misc_irq_unmask,
1954 + .irq_mask = ar2315_misc_irq_mask,
1958 + * Called when an interrupt is received, this function
1959 + * determines exactly which interrupt it was, and it
1960 + * invokes the appropriate handler.
1962 + * Implicitly, we also define interrupt priority by
1963 + * choosing which to dispatch first.
1965 +static void ar2315_irq_dispatch(void)
1967 + int pending = read_c0_status() & read_c0_cause();
1969 + if (pending & CAUSEF_IP3)
1970 + do_IRQ(AR2315_IRQ_WLAN0);
1971 + else if (pending & CAUSEF_IP4)
1972 + do_IRQ(AR2315_IRQ_ENET0);
1973 + else if (pending & CAUSEF_IP2)
1974 + do_IRQ(AR2315_IRQ_MISC);
1975 + else if (pending & CAUSEF_IP7)
1976 + do_IRQ(ATH25_IRQ_CPU_CLOCK);
1978 + spurious_interrupt();
1981 +void __init ar2315_arch_init_irq(void)
1985 + ath25_irq_dispatch = ar2315_irq_dispatch;
1986 + for (i = 0; i < AR2315_MISC_IRQ_COUNT; i++) {
1987 + int irq = AR231X_MISC_IRQ_BASE + i;
1989 + irq_set_chip_and_handler(irq, &ar2315_misc_irq_chip,
1990 + handle_level_irq);
1992 + setup_irq(AR2315_MISC_IRQ_AHB, &ar2315_ahb_err_interrupt);
1993 + irq_set_chained_handler(AR2315_IRQ_MISC, ar2315_misc_irq_handler);
1996 +static void ar2315_device_reset_set(u32 mask)
2000 + val = ar2315_rst_reg_read(AR2315_RESET);
2001 + ar2315_rst_reg_write(AR2315_RESET, val | mask);
2004 +static void ar2315_device_reset_clear(u32 mask)
2008 + val = ar2315_rst_reg_read(AR2315_RESET);
2009 + ar2315_rst_reg_write(AR2315_RESET, val & ~mask);
2012 +static struct ar231x_eth ar2315_eth_data = {
2013 + .reset_set = ar2315_device_reset_set,
2014 + .reset_clear = ar2315_device_reset_clear,
2015 + .reset_mac = AR2315_RESET_ENET0,
2016 + .reset_phy = AR2315_RESET_EPHY0,
2019 +static struct resource ar2315_spiflash_res[] = {
2021 + .name = "spiflash_read",
2022 + .flags = IORESOURCE_MEM,
2023 + .start = AR2315_SPI_READ_BASE,
2024 + .end = AR2315_SPI_READ_BASE + AR2315_SPI_READ_SIZE - 1,
2027 + .name = "spiflash_mmr",
2028 + .flags = IORESOURCE_MEM,
2029 + .start = AR2315_SPI_MMR_BASE,
2030 + .end = AR2315_SPI_MMR_BASE + AR2315_SPI_MMR_SIZE - 1,
2034 +static struct platform_device ar2315_spiflash = {
2036 + .name = "ar2315-spiflash",
2037 + .resource = ar2315_spiflash_res,
2038 + .num_resources = ARRAY_SIZE(ar2315_spiflash_res)
2041 +static struct resource ar2315_wdt_res[] = {
2043 + .flags = IORESOURCE_MEM,
2044 + .start = AR2315_RST_BASE + AR2315_WDT_TIMER,
2045 + .end = AR2315_RST_BASE + AR2315_WDT_TIMER + 8 - 1,
2048 + .flags = IORESOURCE_IRQ,
2049 + .start = AR2315_MISC_IRQ_WATCHDOG,
2050 + .end = AR2315_MISC_IRQ_WATCHDOG,
2054 +static struct platform_device ar2315_wdt = {
2056 + .name = "ar2315-wdt",
2057 + .resource = ar2315_wdt_res,
2058 + .num_resources = ARRAY_SIZE(ar2315_wdt_res)
2061 +#ifdef CONFIG_LEDS_GPIO
2062 +static struct gpio_led ar2315_leds[6];
2063 +static struct gpio_led_platform_data ar2315_led_data = {
2064 + .leds = (void *)ar2315_leds,
2067 +static struct platform_device ar2315_gpio_leds = {
2068 + .name = "leds-gpio",
2071 + .platform_data = (void *)&ar2315_led_data,
2075 +static void __init ar2315_init_gpio_leds(void)
2077 + static char led_names[6][6];
2080 + ar2315_led_data.num_leds = 0;
2081 + for (i = 1; i < 8; i++) {
2082 + if ((i == AR2315_RESET_GPIO) ||
2083 + (i == ath25_board.config->reset_config_gpio))
2086 + if (i == ath25_board.config->sys_led_gpio)
2087 + strcpy(led_names[led], "wlan");
2089 + sprintf(led_names[led], "gpio%d", i);
2091 + ar2315_leds[led].name = led_names[led];
2092 + ar2315_leds[led].gpio = i;
2093 + ar2315_leds[led].active_low = 0;
2096 + ar2315_led_data.num_leds = led;
2097 + platform_device_register(&ar2315_gpio_leds);
2100 +static inline void ar2315_init_gpio_leds(void)
2105 +void __init ar2315_init_devices(void)
2107 + /* Find board configuration */
2108 + ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE);
2109 + ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
2111 + ar2315_init_gpio_leds();
2112 + platform_device_register(&ar2315_wdt);
2113 + platform_device_register(&ar2315_spiflash);
2114 + ath25_add_ethernet(0, AR2315_ENET0_BASE, "eth0_mii",
2115 + AR2315_ENET0_MII_BASE, AR2315_IRQ_ENET0,
2116 + &ar2315_eth_data);
2117 + ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0);
2120 +static void ar2315_restart(char *command)
2122 + void (*mips_reset_vec)(void) = (void *)0xbfc00000;
2124 + local_irq_disable();
2126 + /* try reset the system via reset control */
2127 + ar2315_rst_reg_write(AR2315_COLD_RESET, AR2317_RESET_SYSTEM);
2129 + /* Cold reset does not work on the AR2315/6, use the GPIO reset bits
2130 + * a workaround. Give it some time to attempt a gpio based hardware
2131 + * reset (atheros reference design workaround) */
2132 + gpio_request_one(AR2315_RESET_GPIO, GPIOF_OUT_INIT_LOW, "Reset");
2135 + /* Some boards (e.g. Senao EOC-2610) don't implement the reset logic
2136 + * workaround. Attempt to jump to the mips reset location -
2137 + * the boot loader itself might be able to recover the system */
2142 + * This table is indexed by bits 5..4 of the CLOCKCTL1 register
2143 + * to determine the predevisor value.
2145 +static int clockctl1_predivide_table[4] __initdata = { 1, 2, 4, 5 };
2146 +static int pllc_divide_table[5] __initdata = { 2, 3, 4, 6, 3 };
2148 +static unsigned __init ar2315_sys_clk(u32 clock_ctl)
2150 + unsigned int pllc_ctrl, cpu_div;
2151 + unsigned int pllc_out, refdiv, fdiv, divby2;
2152 + unsigned int clk_div;
2154 + pllc_ctrl = ar2315_rst_reg_read(AR2315_PLLC_CTL);
2155 + refdiv = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_REF_DIV);
2156 + refdiv = clockctl1_predivide_table[refdiv];
2157 + fdiv = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_FDBACK_DIV);
2158 + divby2 = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_ADD_FDBACK_DIV) + 1;
2159 + pllc_out = (40000000/refdiv)*(2*divby2)*fdiv;
2161 + /* clkm input selected */
2162 + switch (clock_ctl & AR2315_CPUCLK_CLK_SEL_M) {
2165 + clk_div = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_CLKM_DIV);
2166 + clk_div = pllc_divide_table[clk_div];
2169 + clk_div = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_CLKC_DIV);
2170 + clk_div = pllc_divide_table[clk_div];
2173 + pllc_out = 40000000;
2178 + cpu_div = ATH25_REG_MS(clock_ctl, AR2315_CPUCLK_CLK_DIV);
2179 + cpu_div = cpu_div * 2 ?: 1;
2181 + return pllc_out / (clk_div * cpu_div);
2184 +static inline unsigned ar2315_cpu_frequency(void)
2186 + return ar2315_sys_clk(ar2315_rst_reg_read(AR2315_CPUCLK));
2189 +static inline unsigned ar2315_apb_frequency(void)
2191 + return ar2315_sys_clk(ar2315_rst_reg_read(AR2315_AMBACLK));
2194 +void __init ar2315_plat_time_init(void)
2196 + mips_hpt_frequency = ar2315_cpu_frequency() / 2;
2199 +void __init ar2315_plat_mem_setup(void)
2201 + void __iomem *sdram_base;
2202 + u32 memsize, memcfg;
2206 + sdram_base = ioremap_nocache(AR2315_SDRAMCTL_BASE,
2207 + AR2315_SDRAMCTL_SIZE);
2208 + memcfg = __raw_readl(sdram_base + AR2315_MEM_CFG);
2209 + memsize = 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_DATA_WIDTH);
2210 + memsize <<= 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_COL_WIDTH);
2211 + memsize <<= 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_ROW_WIDTH);
2213 + add_memory_region(0, memsize, BOOT_MEM_RAM);
2214 + iounmap(sdram_base);
2216 + ar2315_rst_base = ioremap_nocache(AR2315_RST_BASE, AR2315_RST_SIZE);
2218 + /* Detect the hardware based on the device ID */
2219 + devid = ar2315_rst_reg_read(AR2315_SREV) & AR2315_REV_CHIP;
2221 + case 0x91: /* Need to check */
2222 + ath25_soc = ATH25_SOC_AR2318;
2225 + ath25_soc = ATH25_SOC_AR2317;
2228 + ath25_soc = ATH25_SOC_AR2316;
2232 + ath25_soc = ATH25_SOC_AR2315;
2235 + ath25_board.devid = devid;
2237 + /* Clear any lingering AHB errors */
2238 + config = read_c0_config();
2239 + write_c0_config(config & ~0x3);
2240 + ar2315_rst_reg_write(AR2315_AHB_ERR0, AR2315_AHB_ERROR_DET);
2241 + ar2315_rst_reg_read(AR2315_AHB_ERR1);
2242 + ar2315_rst_reg_write(AR2315_WDT_CTRL, AR2315_WDT_CTRL_IGNORE);
2244 + _machine_restart = ar2315_restart;
2247 +void __init ar2315_arch_init(void)
2249 + ath25_serial_setup(AR2315_UART0_BASE, AR2315_MISC_IRQ_UART0,
2250 + ar2315_apb_frequency());
2253 +++ b/arch/mips/ath25/ar2315.h
2258 +#ifdef CONFIG_SOC_AR2315
2260 +void ar2315_arch_init_irq(void);
2261 +void ar2315_init_devices(void);
2262 +void ar2315_plat_time_init(void);
2263 +void ar2315_plat_mem_setup(void);
2264 +void ar2315_arch_init(void);
2268 +static inline void ar2315_arch_init_irq(void)
2272 +static inline void ar2315_init_devices(void)
2276 +static inline void ar2315_plat_time_init(void)
2280 +static inline void ar2315_plat_mem_setup(void)
2284 +static inline void ar2315_arch_init(void)
2292 +++ b/arch/mips/ath25/ar5312.h
2297 +#ifdef CONFIG_SOC_AR5312
2299 +void ar5312_arch_init_irq(void);
2300 +void ar5312_init_devices(void);
2301 +void ar5312_plat_time_init(void);
2302 +void ar5312_plat_mem_setup(void);
2303 +void ar5312_arch_init(void);
2307 +static inline void ar5312_arch_init_irq(void)
2311 +static inline void ar5312_init_devices(void)
2315 +static inline void ar5312_plat_time_init(void)
2319 +static inline void ar5312_plat_mem_setup(void)
2323 +static inline void ar5312_arch_init(void)
2331 +++ b/arch/mips/ath25/devices.h
2333 +#ifndef __ATH25_DEVICES_H
2334 +#define __ATH25_DEVICES_H
2336 +#define AR231X_MISC_IRQ_BASE 0x20
2337 +#define AR231X_GPIO_IRQ_BASE 0x30
2339 +#define ATH25_REG_MS(_val, _field) (((_val) & _field##_M) >> _field##_S)
2341 +#define ATH25_IRQ_CPU_CLOCK (MIPS_CPU_IRQ_BASE + 7) /* C0_CAUSE: 0x8000 */
2343 +enum ath25_soc_type {
2344 + /* handled by ar5312.c */
2349 + /* handled by ar2315.c */
2358 +extern enum ath25_soc_type ath25_soc;
2359 +extern struct ar231x_board_config ath25_board;
2360 +extern void (*ath25_irq_dispatch)(void);
2362 +int ath25_find_config(phys_addr_t offset, unsigned long size);
2363 +int ath25_add_ethernet(int nr, u32 base, const char *mii_name, u32 mii_base,
2364 + int irq, void *pdata);
2365 +void ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk);
2366 +int ath25_add_wmac(int nr, u32 base, int irq);
2368 +static inline bool is_ar2315(void)
2370 + return (current_cpu_data.cputype == CPU_4KEC);
2373 +static inline bool is_ar5312(void)
2375 + return !is_ar2315();
2380 +++ b/arch/mips/ath25/devices.c
2382 +#include <linux/kernel.h>
2383 +#include <linux/init.h>
2384 +#include <linux/serial.h>
2385 +#include <linux/serial_core.h>
2386 +#include <linux/serial_8250.h>
2387 +#include <linux/platform_device.h>
2388 +#include <asm/bootinfo.h>
2390 +#include <ath25_platform.h>
2391 +#include "devices.h"
2392 +#include "ar5312.h"
2393 +#include "ar2315.h"
2395 +struct ar231x_board_config ath25_board;
2396 +enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
2398 +static struct resource ath25_eth0_res[] = {
2400 + .name = "eth0_membase",
2401 + .flags = IORESOURCE_MEM,
2404 + .name = "eth0_mii",
2405 + .flags = IORESOURCE_MEM,
2408 + .name = "eth0_irq",
2409 + .flags = IORESOURCE_IRQ,
2413 +static struct resource ath25_eth1_res[] = {
2415 + .name = "eth1_membase",
2416 + .flags = IORESOURCE_MEM,
2419 + .name = "eth1_mii",
2420 + .flags = IORESOURCE_MEM,
2423 + .name = "eth1_irq",
2424 + .flags = IORESOURCE_IRQ,
2428 +static struct platform_device ath25_eth[] = {
2431 + .name = "ar231x-eth",
2432 + .resource = ath25_eth0_res,
2433 + .num_resources = ARRAY_SIZE(ath25_eth0_res)
2437 + .name = "ar231x-eth",
2438 + .resource = ath25_eth1_res,
2439 + .num_resources = ARRAY_SIZE(ath25_eth1_res)
2443 +static struct resource ath25_wmac0_res[] = {
2445 + .name = "wmac0_membase",
2446 + .flags = IORESOURCE_MEM,
2449 + .name = "wmac0_irq",
2450 + .flags = IORESOURCE_IRQ,
2454 +static struct resource ath25_wmac1_res[] = {
2456 + .name = "wmac1_membase",
2457 + .flags = IORESOURCE_MEM,
2460 + .name = "wmac1_irq",
2461 + .flags = IORESOURCE_IRQ,
2465 +static struct platform_device ath25_wmac[] = {
2468 + .name = "ar231x-wmac",
2469 + .resource = ath25_wmac0_res,
2470 + .num_resources = ARRAY_SIZE(ath25_wmac0_res),
2471 + .dev.platform_data = &ath25_board,
2475 + .name = "ar231x-wmac",
2476 + .resource = ath25_wmac1_res,
2477 + .num_resources = ARRAY_SIZE(ath25_wmac1_res),
2478 + .dev.platform_data = &ath25_board,
2482 +static const char * const soc_type_strings[] = {
2483 + [ATH25_SOC_AR5312] = "Atheros AR5312",
2484 + [ATH25_SOC_AR2312] = "Atheros AR2312",
2485 + [ATH25_SOC_AR2313] = "Atheros AR2313",
2486 + [ATH25_SOC_AR2315] = "Atheros AR2315",
2487 + [ATH25_SOC_AR2316] = "Atheros AR2316",
2488 + [ATH25_SOC_AR2317] = "Atheros AR2317",
2489 + [ATH25_SOC_AR2318] = "Atheros AR2318",
2490 + [ATH25_SOC_UNKNOWN] = "Atheros (unknown)",
2493 +const char *get_system_type(void)
2495 + if ((ath25_soc >= ARRAY_SIZE(soc_type_strings)) ||
2496 + !soc_type_strings[ath25_soc])
2497 + return soc_type_strings[ATH25_SOC_UNKNOWN];
2498 + return soc_type_strings[ath25_soc];
2501 +int __init ath25_add_ethernet(int nr, u32 base, const char *mii_name,
2502 + u32 mii_base, int irq, void *pdata)
2504 + struct resource *res;
2506 + ath25_eth[nr].dev.platform_data = pdata;
2507 + res = &ath25_eth[nr].resource[0];
2508 + res->start = base;
2509 + res->end = base + 0x2000 - 1;
2511 + res->name = mii_name;
2512 + res->start = mii_base;
2513 + res->end = mii_base + 8 - 1;
2517 + return platform_device_register(&ath25_eth[nr]);
2520 +void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
2522 + struct uart_port s;
2524 + memset(&s, 0, sizeof(s));
2526 + s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
2527 + s.iotype = UPIO_MEM32;
2530 + s.mapbase = mapbase;
2531 + s.uartclk = uartclk;
2533 + early_serial_setup(&s);
2536 +int __init ath25_add_wmac(int nr, u32 base, int irq)
2538 + struct resource *res;
2540 + ath25_wmac[nr].dev.platform_data = &ath25_board;
2541 + res = &ath25_wmac[nr].resource[0];
2542 + res->start = base;
2543 + res->end = base + 0x10000 - 1;
2547 + return platform_device_register(&ath25_wmac[nr]);
2550 +static int __init ath25_register_devices(void)
2553 + ar5312_init_devices();
2555 + ar2315_init_devices();
2560 +device_initcall(ath25_register_devices);
2562 +static int __init ath25_arch_init(void)
2565 + ar5312_arch_init();
2567 + ar2315_arch_init();
2572 +arch_initcall(ath25_arch_init);