aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/mach-ath25
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/include/asm/mach-ath25')
-rw-r--r--arch/mips/include/asm/mach-ath25/ath25_platform.h73
-rw-r--r--arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h64
-rw-r--r--arch/mips/include/asm/mach-ath25/dma-coherence.h82
-rw-r--r--arch/mips/include/asm/mach-ath25/gpio.h16
-rw-r--r--arch/mips/include/asm/mach-ath25/war.h25
5 files changed, 260 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-ath25/ath25_platform.h b/arch/mips/include/asm/mach-ath25/ath25_platform.h
new file mode 100644
index 000000000000..4f4ee4f9e5ec
--- /dev/null
+++ b/arch/mips/include/asm/mach-ath25/ath25_platform.h
@@ -0,0 +1,73 @@
1#ifndef __ASM_MACH_ATH25_PLATFORM_H
2#define __ASM_MACH_ATH25_PLATFORM_H
3
4#include <linux/etherdevice.h>
5
6/*
7 * This is board-specific data that is stored in a "fixed" location in flash.
8 * It is shared across operating systems, so it should not be changed lightly.
9 * The main reason we need it is in order to extract the ethernet MAC
10 * address(es).
11 */
12struct ath25_boarddata {
13 u32 magic; /* board data is valid */
14#define ATH25_BD_MAGIC 0x35333131 /* "5311", for all 531x/231x platforms */
15 u16 cksum; /* checksum (starting with BD_REV 2) */
16 u16 rev; /* revision of this struct */
17#define BD_REV 4
18 char board_name[64]; /* Name of board */
19 u16 major; /* Board major number */
20 u16 minor; /* Board minor number */
21 u32 flags; /* Board configuration */
22#define BD_ENET0 0x00000001 /* ENET0 is stuffed */
23#define BD_ENET1 0x00000002 /* ENET1 is stuffed */
24#define BD_UART1 0x00000004 /* UART1 is stuffed */
25#define BD_UART0 0x00000008 /* UART0 is stuffed (dma) */
26#define BD_RSTFACTORY 0x00000010 /* Reset factory defaults stuffed */
27#define BD_SYSLED 0x00000020 /* System LED stuffed */
28#define BD_EXTUARTCLK 0x00000040 /* External UART clock */
29#define BD_CPUFREQ 0x00000080 /* cpu freq is valid in nvram */
30#define BD_SYSFREQ 0x00000100 /* sys freq is set in nvram */
31#define BD_WLAN0 0x00000200 /* Enable WLAN0 */
32#define BD_MEMCAP 0x00000400 /* CAP SDRAM @ mem_cap for testing */
33#define BD_DISWATCHDOG 0x00000800 /* disable system watchdog */
34#define BD_WLAN1 0x00001000 /* Enable WLAN1 (ar5212) */
35#define BD_ISCASPER 0x00002000 /* FLAG for AR2312 */
36#define BD_WLAN0_2G_EN 0x00004000 /* FLAG for radio0_2G */
37#define BD_WLAN0_5G_EN 0x00008000 /* FLAG for radio0_2G */
38#define BD_WLAN1_2G_EN 0x00020000 /* FLAG for radio0_2G */
39#define BD_WLAN1_5G_EN 0x00040000 /* FLAG for radio0_2G */
40 u16 reset_config_gpio; /* Reset factory GPIO pin */
41 u16 sys_led_gpio; /* System LED GPIO pin */
42
43 u32 cpu_freq; /* CPU core frequency in Hz */
44 u32 sys_freq; /* System frequency in Hz */
45 u32 cnt_freq; /* Calculated C0_COUNT frequency */
46
47 u8 wlan0_mac[ETH_ALEN];
48 u8 enet0_mac[ETH_ALEN];
49 u8 enet1_mac[ETH_ALEN];
50
51 u16 pci_id; /* Pseudo PCIID for common code */
52 u16 mem_cap; /* cap bank1 in MB */
53
54 /* version 3 */
55 u8 wlan1_mac[ETH_ALEN]; /* (ar5212) */
56};
57
58#define BOARD_CONFIG_BUFSZ 0x1000
59
60/*
61 * Platform device information for the Wireless MAC
62 */
63struct ar231x_board_config {
64 u16 devid;
65
66 /* board config data */
67 struct ath25_boarddata *config;
68
69 /* radio calibration data */
70 const char *radio;
71};
72
73#endif /* __ASM_MACH_ATH25_PLATFORM_H */
diff --git a/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
new file mode 100644
index 000000000000..ade0356df257
--- /dev/null
+++ b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
@@ -0,0 +1,64 @@
1/*
2 * Atheros AR231x/AR531x SoC specific CPU feature overrides
3 *
4 * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
5 *
6 * This file was derived from: include/asm-mips/cpu-features.h
7 * Copyright (C) 2003, 2004 Ralf Baechle
8 * Copyright (C) 2004 Maciej W. Rozycki
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License version 2 as published
12 * by the Free Software Foundation.
13 *
14 */
15#ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
16#define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
17
18/*
19 * The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc core.
20 */
21#define cpu_has_tlb 1
22#define cpu_has_4kex 1
23#define cpu_has_3k_cache 0
24#define cpu_has_4k_cache 1
25#define cpu_has_tx39_cache 0
26#define cpu_has_sb1_cache 0
27#define cpu_has_fpu 0
28#define cpu_has_32fpr 0
29#define cpu_has_counter 1
30#define cpu_has_ejtag 1
31
32#if !defined(CONFIG_SOC_AR5312)
33# define cpu_has_llsc 1
34#else
35/*
36 * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the
37 * ll/sc instructions.
38 */
39# define cpu_has_llsc 0
40#endif
41
42#define cpu_has_mips16 0
43#define cpu_has_mdmx 0
44#define cpu_has_mips3d 0
45#define cpu_has_smartmips 0
46
47#define cpu_has_mips32r1 1
48
49#if !defined(CONFIG_SOC_AR5312)
50# define cpu_has_mips32r2 1
51#endif
52
53#define cpu_has_mips64r1 0
54#define cpu_has_mips64r2 0
55
56#define cpu_has_dsp 0
57#define cpu_has_mipsmt 0
58
59#define cpu_has_64bits 0
60#define cpu_has_64bit_zero_reg 0
61#define cpu_has_64bit_gp_regs 0
62#define cpu_has_64bit_addresses 0
63
64#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-ath25/dma-coherence.h b/arch/mips/include/asm/mach-ath25/dma-coherence.h
new file mode 100644
index 000000000000..d8009c93a465
--- /dev/null
+++ b/arch/mips/include/asm/mach-ath25/dma-coherence.h
@@ -0,0 +1,82 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
7 * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
8 *
9 */
10#ifndef __ASM_MACH_ATH25_DMA_COHERENCE_H
11#define __ASM_MACH_ATH25_DMA_COHERENCE_H
12
13#include <linux/device.h>
14
15/*
16 * We need some arbitrary non-zero value to be programmed to the BAR1 register
17 * of PCI host controller to enable DMA. The same value should be used as the
18 * offset to calculate the physical address of DMA buffer for PCI devices.
19 */
20#define AR2315_PCI_HOST_SDRAM_BASEADDR 0x20000000
21
22static inline dma_addr_t ath25_dev_offset(struct device *dev)
23{
24#ifdef CONFIG_PCI
25 extern struct bus_type pci_bus_type;
26
27 if (dev && dev->bus == &pci_bus_type)
28 return AR2315_PCI_HOST_SDRAM_BASEADDR;
29#endif
30 return 0;
31}
32
33static inline dma_addr_t
34plat_map_dma_mem(struct device *dev, void *addr, size_t size)
35{
36 return virt_to_phys(addr) + ath25_dev_offset(dev);
37}
38
39static inline dma_addr_t
40plat_map_dma_mem_page(struct device *dev, struct page *page)
41{
42 return page_to_phys(page) + ath25_dev_offset(dev);
43}
44
45static inline unsigned long
46plat_dma_addr_to_phys(struct device *dev, dma_addr_t dma_addr)
47{
48 return dma_addr - ath25_dev_offset(dev);
49}
50
51static inline void
52plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, size_t size,
53 enum dma_data_direction direction)
54{
55}
56
57static inline int plat_dma_supported(struct device *dev, u64 mask)
58{
59 return 1;
60}
61
62static inline void plat_extra_sync_for_device(struct device *dev)
63{
64}
65
66static inline int plat_dma_mapping_error(struct device *dev,
67 dma_addr_t dma_addr)
68{
69 return 0;
70}
71
72static inline int plat_device_is_coherent(struct device *dev)
73{
74#ifdef CONFIG_DMA_COHERENT
75 return 1;
76#endif
77#ifdef CONFIG_DMA_NONCOHERENT
78 return 0;
79#endif
80}
81
82#endif /* __ASM_MACH_ATH25_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-ath25/gpio.h b/arch/mips/include/asm/mach-ath25/gpio.h
new file mode 100644
index 000000000000..713564b8e8ef
--- /dev/null
+++ b/arch/mips/include/asm/mach-ath25/gpio.h
@@ -0,0 +1,16 @@
1#ifndef __ASM_MACH_ATH25_GPIO_H
2#define __ASM_MACH_ATH25_GPIO_H
3
4#include <asm-generic/gpio.h>
5
6#define gpio_get_value __gpio_get_value
7#define gpio_set_value __gpio_set_value
8#define gpio_cansleep __gpio_cansleep
9#define gpio_to_irq __gpio_to_irq
10
11static inline int irq_to_gpio(unsigned irq)
12{
13 return -EINVAL;
14}
15
16#endif /* __ASM_MACH_ATH25_GPIO_H */
diff --git a/arch/mips/include/asm/mach-ath25/war.h b/arch/mips/include/asm/mach-ath25/war.h
new file mode 100644
index 000000000000..e3a5250ebd67
--- /dev/null
+++ b/arch/mips/include/asm/mach-ath25/war.h
@@ -0,0 +1,25 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
7 */
8#ifndef __ASM_MACH_ATH25_WAR_H
9#define __ASM_MACH_ATH25_WAR_H
10
11#define R4600_V1_INDEX_ICACHEOP_WAR 0
12#define R4600_V1_HIT_CACHEOP_WAR 0
13#define R4600_V2_HIT_CACHEOP_WAR 0
14#define R5432_CP0_INTERRUPT_WAR 0
15#define BCM1250_M3_WAR 0
16#define SIBYTE_1956_WAR 0
17#define MIPS4K_ICACHE_REFILL_WAR 0
18#define MIPS_CACHE_SYNC_WAR 0
19#define TX49XX_ICACHE_INDEX_INV_WAR 0
20#define RM9000_CDEX_SMP_WAR 0
21#define ICACHE_REFILLS_WORKAROUND_WAR 0
22#define R10000_LLSC_WAR 0
23#define MIPS34K_MISSED_ITLB_WAR 0
24
25#endif /* __ASM_MACH_ATH25_WAR_H */