diff options
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r-- | arch/arm/mach-at91/at91cap9.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-at91/at91rm9200.c | 10 | ||||
-rw-r--r-- | arch/arm/mach-at91/at91sam9260.c | 9 | ||||
-rw-r--r-- | arch/arm/mach-at91/at91sam9261.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-at91/at91sam9263.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-at91/at91sam9g45.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-at91/at91sam9rl.c | 9 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/cpu.h | 159 | ||||
-rw-r--r-- | arch/arm/mach-at91/setup.c | 209 | ||||
-rw-r--r-- | arch/arm/mach-at91/soc.h | 57 |
10 files changed, 341 insertions, 120 deletions
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index 9a01370..6287c0d 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -403,7 +403,7 @@ static unsigned int at91cap9_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller (IRQ1) */ }; -struct at91_soc __initdata at91cap9_soc = { +struct at91_init_soc __initdata at91cap9_soc = { .map_io = at91cap9_map_io, .default_irq_priority = at91cap9_default_irq_priority, .init = at91cap9_initialize, diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index d7801be..36d37bd 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -300,14 +300,6 @@ static void at91rm9200_reset(void) at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); } -int rm9200_type; -EXPORT_SYMBOL(rm9200_type); - -void __init at91rm9200_set_type(int type) -{ - rm9200_type = type; -} - /* -------------------------------------------------------------------- * AT91RM9200 processor initialization * -------------------------------------------------------------------- */ @@ -379,7 +371,7 @@ static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = { 0 /* Advanced Interrupt Controller (IRQ6) */ }; -struct at91_soc __initdata at91rm9200_soc = { +struct at91_init_soc __initdata at91rm9200_soc = { .map_io = at91rm9200_map_io, .default_irq_priority = at91rm9200_default_irq_priority, .init = at91rm9200_initialize, diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 57974b1..8a6b9aa 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -17,6 +17,7 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/cpu.h> +#include <mach/at91_dbgu.h> #include <mach/at91sam9260.h> #include <mach/at91_pmc.h> #include <mach/at91_rstc.h> @@ -322,11 +323,9 @@ static void at91sam9260_poweroff(void) static void __init at91sam9xe_map_io(void) { - unsigned long cidr, sram_size; + unsigned long sram_size; - cidr = dbgu_readl(AT91_DBGU, CIDR); - - switch (cidr & AT91_CIDR_SRAMSIZ) { + switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) { case AT91_CIDR_SRAMSIZ_32K: sram_size = 2 * SZ_16K; break; @@ -410,7 +409,7 @@ static unsigned int at91sam9260_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller */ }; -struct at91_soc __initdata at91sam9260_soc = { +struct at91_init_soc __initdata at91sam9260_soc = { .map_io = at91sam9260_map_io, .default_irq_priority = at91sam9260_default_irq_priority, .init = at91sam9260_initialize, diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 7a4a673..f6a2b30 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -361,7 +361,7 @@ static unsigned int at91sam9261_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller */ }; -struct at91_soc __initdata at91sam9261_soc = { +struct at91_init_soc __initdata at91sam9261_soc = { .map_io = at91sam9261_map_io, .default_irq_priority = at91sam9261_default_irq_priority, .init = at91sam9261_initialize, diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index 3140a13..7245a8e 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -372,7 +372,7 @@ static unsigned int at91sam9263_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller (IRQ1) */ }; -struct at91_soc __initdata at91sam9263_soc = { +struct at91_init_soc __initdata at91sam9263_soc = { .map_io = at91sam9263_map_io, .default_irq_priority = at91sam9263_default_irq_priority, .init = at91sam9263_initialize, diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index f5e72da..57a4726 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -388,7 +388,7 @@ static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller (IRQ0) */ }; -struct at91_soc __initdata at91sam9g45_soc = { +struct at91_init_soc __initdata at91sam9g45_soc = { .map_io = at91sam9g45_map_io, .default_irq_priority = at91sam9g45_default_irq_priority, .init = at91sam9g45_initialize, diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 0788adb..b83098c 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -16,6 +16,7 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/cpu.h> +#include <mach/at91_dbgu.h> #include <mach/at91sam9rl.h> #include <mach/at91_pmc.h> #include <mach/at91_rstc.h> @@ -281,11 +282,9 @@ static void at91sam9rl_poweroff(void) static void __init at91sam9rl_map_io(void) { - unsigned long cidr, sram_size; + unsigned long sram_size; - cidr = dbgu_readl(AT91_DBGU, CIDR); - - switch (cidr & AT91_CIDR_SRAMSIZ) { + switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) { case AT91_CIDR_SRAMSIZ_32K: sram_size = 2 * SZ_16K; break; @@ -359,7 +358,7 @@ static unsigned int at91sam9rl_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller */ }; -struct at91_soc __initdata at91sam9rl_soc = { +struct at91_init_soc __initdata at91sam9rl_soc = { .map_io = at91sam9rl_map_io, .default_irq_priority = at91sam9rl_default_irq_priority, .init = at91sam9rl_initialize, diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index 3cf6919..f6ce936 100644 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ b/arch/arm/mach-at91/include/mach/cpu.h @@ -1,7 +1,8 @@ /* * arch/arm/mach-at91/include/mach/cpu.h * - * Copyright (C) 2006 SAN People + * Copyright (C) 2006 SAN People + * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -10,12 +11,8 @@ * */ -#ifndef __ASM_ARCH_CPU_H -#define __ASM_ARCH_CPU_H - -#include <mach/hardware.h> -#include <mach/at91_dbgu.h> - +#ifndef __MACH_CPU_H__ +#define __MACH_CPU_H__ #define ARCH_ID_AT91RM9200 0x09290780 #define ARCH_ID_AT91SAM9260 0x019803a0 @@ -39,16 +36,6 @@ #define ARCH_ID_AT91M40807 0x14080745 #define ARCH_ID_AT91R40008 0x44000840 -static inline unsigned long at91_cpu_identify(void) -{ - return (dbgu_readl(AT91_DBGU, CIDR) & ~AT91_CIDR_VERSION); -} - -static inline unsigned long at91_cpu_fully_identify(void) -{ - return dbgu_readl(AT91_DBGU, CIDR); -} - #define ARCH_EXID_AT91SAM9M11 0x00000001 #define ARCH_EXID_AT91SAM9M10 0x00000002 #define ARCH_EXID_AT91SAM9G46 0x00000003 @@ -60,40 +47,80 @@ static inline unsigned long at91_cpu_fully_identify(void) #define ARCH_EXID_AT91SAM9G25 0x00000003 #define ARCH_EXID_AT91SAM9X25 0x00000004 -static inline unsigned long at91_exid_identify(void) -{ - return dbgu_readl(AT91_DBGU, EXID); -} - - #define ARCH_FAMILY_AT91X92 0x09200000 #define ARCH_FAMILY_AT91SAM9 0x01900000 #define ARCH_FAMILY_AT91SAM9XE 0x02900000 -static inline unsigned long at91_arch_identify(void) -{ - return (dbgu_readl(AT91_DBGU, CIDR) & AT91_CIDR_ARCH); -} - -#ifdef CONFIG_ARCH_AT91CAP9 -#include <mach/at91_pmc.h> - +/* PMC revision */ #define ARCH_REVISION_CAP9_B 0x399 #define ARCH_REVISION_CAP9_C 0x601 -static inline unsigned long at91cap9_rev_identify(void) +/* RM9200 type */ +#define ARCH_REVISON_9200_BGA (0 << 0) +#define ARCH_REVISON_9200_PQFP (1 << 0) + +enum at91_soc_type { + /* 920T */ + AT91_SOC_RM9200, + + /* CAP */ + AT91_SOC_CAP9, + + /* SAM92xx */ + AT91_SOC_SAM9260, AT91_SOC_SAM9261, AT91_SOC_SAM9263, + + /* SAM9Gxx */ + AT91_SOC_SAM9G10, AT91_SOC_SAM9G20, AT91_SOC_SAM9G45, + + /* SAM9RL */ + AT91_SOC_SAM9RL, + + /* SAM9X5 */ + AT91_SOC_SAM9X5, + + /* Unknown type */ + AT91_SOC_NONE +}; + +enum at91_soc_subtype { + /* RM9200 */ + AT91_SOC_RM9200_BGA, AT91_SOC_RM9200_PQFP, + + /* CAP9 */ + AT91_SOC_CAP9_REV_B, AT91_SOC_CAP9_REV_C, + + /* SAM9260 */ + AT91_SOC_SAM9XE, + + /* SAM9G45 */ + AT91_SOC_SAM9G45ES, AT91_SOC_SAM9M10, AT91_SOC_SAM9G46, AT91_SOC_SAM9M11, + + /* SAM9X5 */ + AT91_SOC_SAM9G15, AT91_SOC_SAM9G35, AT91_SOC_SAM9X35, + AT91_SOC_SAM9G25, AT91_SOC_SAM9X25, + + /* Unknown subtype */ + AT91_SOC_SUBTYPE_NONE +}; + +struct at91_socinfo { + unsigned int type, subtype; + unsigned int cidr, exid; +}; + +extern struct at91_socinfo at91_soc_initdata; +const char *at91_get_soc_type(struct at91_socinfo *c); +const char *at91_get_soc_subtype(struct at91_socinfo *c); + +static inline int at91_soc_is_detected(void) { - return (at91_sys_read(AT91_PMC_VER)); + return at91_soc_initdata.type != AT91_SOC_NONE; } -#endif #ifdef CONFIG_ARCH_AT91RM9200 -extern int rm9200_type; -#define ARCH_REVISON_9200_BGA (0 << 0) -#define ARCH_REVISON_9200_PQFP (1 << 0) -#define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) -#define cpu_is_at91rm9200_bga() (!cpu_is_at91rm9200_pqfp()) -#define cpu_is_at91rm9200_pqfp() (cpu_is_at91rm9200() && rm9200_type & ARCH_REVISON_9200_PQFP) +#define cpu_is_at91rm9200() (at91_soc_initdata.type == AT91_SOC_RM9200) +#define cpu_is_at91rm9200_bga() (at91_soc_initdata.subtype == AT91_SOC_RM9200_BGA) +#define cpu_is_at91rm9200_pqfp() (at91_soc_initdata.subtype == AT91_SOC_RM9200_PQFP) #else #define cpu_is_at91rm9200() (0) #define cpu_is_at91rm9200_bga() (0) @@ -101,52 +128,49 @@ extern int rm9200_type; #endif #ifdef CONFIG_ARCH_AT91SAM9260 -#define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE) -#define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe()) +#define cpu_is_at91sam9xe() (at91_soc_initdata.subtype == AT91_SOC_SAM9XE) +#define cpu_is_at91sam9260() (at91_soc_initdata.type == AT91_SOC_SAM9260) #else #define cpu_is_at91sam9xe() (0) #define cpu_is_at91sam9260() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9G20 -#define cpu_is_at91sam9g20() (at91_cpu_identify() == ARCH_ID_AT91SAM9G20) +#define cpu_is_at91sam9g20() (at91_soc_initdata.type == AT91_SOC_SAM9G20) #else #define cpu_is_at91sam9g20() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9261 -#define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261) +#define cpu_is_at91sam9261() (at91_soc_initdata.type == AT91_SOC_SAM9261) #else #define cpu_is_at91sam9261() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9G10 -#define cpu_is_at91sam9g10() ((at91_cpu_identify() & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) +#define cpu_is_at91sam9g10() (at91_soc_initdata.type == AT91_SOC_SAM9G10) #else #define cpu_is_at91sam9g10() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9263 -#define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263) +#define cpu_is_at91sam9263() (at91_soc_initdata.type == AT91_SOC_SAM9263) #else #define cpu_is_at91sam9263() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9RL -#define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64) +#define cpu_is_at91sam9rl() (at91_soc_initdata.type == AT91_SOC_SAM9RL) #else #define cpu_is_at91sam9rl() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9G45 -#define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45) -#define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES) -#define cpu_is_at91sam9m10() (cpu_is_at91sam9g45() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9M10)) -#define cpu_is_at91sam9m46() (cpu_is_at91sam9g45() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9G46)) -#define cpu_is_at91sam9m11() (cpu_is_at91sam9g45() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9M11)) +#define cpu_is_at91sam9g45() (at91_soc_initdata.type == AT91_SOC_SAM9G45) +#define cpu_is_at91sam9g45es() (at91_soc_initdata.subtype == AT91_SOC_SAM9G45ES) +#define cpu_is_at91sam9m10() (at91_soc_initdata.subtype == AT91_SOC_SAM9M10) +#define cpu_is_at91sam9g46() (at91_soc_initdata.subtype == AT91_SOC_SAM9G46) +#define cpu_is_at91sam9m11() (at91_soc_initdata.subtype == AT91_SOC_SAM9M11) #else #define cpu_is_at91sam9g45() (0) #define cpu_is_at91sam9g45es() (0) @@ -156,17 +180,12 @@ extern int rm9200_type; #endif #ifdef CONFIG_ARCH_AT91SAM9X5 -#define cpu_is_at91sam9x5() (at91_cpu_identify() == ARCH_ID_AT91SAM9X5) -#define cpu_is_at91sam9g15() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9G15)) -#define cpu_is_at91sam9g35() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9G35)) -#define cpu_is_at91sam9x35() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9X35)) -#define cpu_is_at91sam9g25() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9G25)) -#define cpu_is_at91sam9x25() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9X25)) +#define cpu_is_at91sam9x5() (at91_soc_initdata.type == AT91_SOC_SAM9X5) +#define cpu_is_at91sam9g15() (at91_soc_initdata.subtype == AT91_SOC_SAM9G15) +#define cpu_is_at91sam9g35() (at91_soc_initdata.subtype == AT91_SOC_SAM9G35) +#define cpu_is_at91sam9x35() (at91_soc_initdata.subtype == AT91_SOC_SAM9X35) +#define cpu_is_at91sam9g25() (at91_soc_initdata.subtype == AT91_SOC_SAM9G25) +#define cpu_is_at91sam9x25() (at91_soc_initdata.subtype == AT91_SOC_SAM9X25) #else #define cpu_is_at91sam9x5() (0) #define cpu_is_at91sam9g15() (0) @@ -177,9 +196,9 @@ extern int rm9200_type; #endif #ifdef CONFIG_ARCH_AT91CAP9 -#define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9) -#define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B) -#define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C) +#define cpu_is_at91cap9() (at91_soc_initdata.type == AT91_SOC_CAP9) +#define cpu_is_at91cap9_revB() (at91_soc_initdata.subtype == AT91_SOC_CAP9_REV_B) +#define cpu_is_at91cap9_revC() (at91_soc_initdata.subtype == AT91_SOC_CAP9_REV_C) #else #define cpu_is_at91cap9() (0) #define cpu_is_at91cap9_revB() (0) @@ -192,4 +211,4 @@ extern int rm9200_type; */ #define cpu_is_at32ap7000() (0) -#endif +#endif /* __MACH_CPU_H__ */ diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 8962d9a..9ea4183 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -12,11 +12,24 @@ #include <mach/hardware.h> #include <mach/cpu.h> +#include <mach/at91_dbgu.h> +#include <mach/at91_pmc.h> #include "soc.h" #include "generic.h" -struct at91_soc __initdata at91_boot_soc; +struct at91_init_soc __initdata at91_boot_soc; + +struct at91_socinfo at91_soc_initdata; +EXPORT_SYMBOL(at91_soc_initdata); + +void __init at91rm9200_set_type(int type) +{ + if (type == ARCH_REVISON_9200_PQFP) + at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; + else + at91_soc_initdata.subtype = AT91_SOC_RM9200_PQFP; +} void __init at91_init_irq_default(void) { @@ -39,33 +52,195 @@ static struct map_desc at91_io_desc __initdata = { .type = MT_DEVICE, }; -void __init at91_map_io(void) +#define AT91_DBGU0 0xfffff200 +#define AT91_DBGU1 0xffffee00 + +static void __init soc_detect(u32 dbgu_base) { - /* Map peripherals */ - iotable_init(&at91_io_desc, 1); + u32 cidr, socid; + + cidr = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_CIDR); + socid = cidr & ~AT91_CIDR_VERSION; - if (cpu_is_at91cap9()) + switch (socid) { + case ARCH_ID_AT91CAP9: { +#ifdef CONFIG_AT91_PMC_UNIT + u32 pmc_ver = at91_sys_read(AT91_PMC_VER); + + if (pmc_ver == ARCH_REVISION_CAP9_B) + at91_soc_initdata.subtype = AT91_SOC_CAP9_REV_B; + else if (pmc_ver == ARCH_REVISION_CAP9_C) + at91_soc_initdata.subtype = AT91_SOC_CAP9_REV_C; +#endif + at91_soc_initdata.type = AT91_SOC_CAP9; at91_boot_soc = at91cap9_soc; - else if (cpu_is_at91rm9200()) + break; + } + + case ARCH_ID_AT91RM9200: + at91_soc_initdata.type = AT91_SOC_RM9200; at91_boot_soc = at91rm9200_soc; - else if (cpu_is_at91sam9260()) + break; + + case ARCH_ID_AT91SAM9260: + at91_soc_initdata.type = AT91_SOC_SAM9260; at91_boot_soc = at91sam9260_soc; - else if (cpu_is_at91sam9261()) + break; + + case ARCH_ID_AT91SAM9261: + at91_soc_initdata.type = AT91_SOC_SAM9261; at91_boot_soc = at91sam9261_soc; - else if (cpu_is_at91sam9263()) + break; + + case ARCH_ID_AT91SAM9263: + at91_soc_initdata.type = AT91_SOC_SAM9263; at91_boot_soc = at91sam9263_soc; - else if (cpu_is_at91sam9g10()) - at91_boot_soc = at91sam9261_soc; - else if (cpu_is_at91sam9g20()) + break; + + case ARCH_ID_AT91SAM9G20: + at91_soc_initdata.type = AT91_SOC_SAM9G20; at91_boot_soc = at91sam9260_soc; - else if (cpu_is_at91sam9g45()) + break; + + case ARCH_ID_AT91SAM9G45: + at91_soc_initdata.type = AT91_SOC_SAM9G45; + if (cidr == ARCH_ID_AT91SAM9G45ES) + at91_soc_initdata.subtype = AT91_SOC_SAM9G45ES; at91_boot_soc = at91sam9g45_soc; - else if (cpu_is_at91sam9rl()) + break; + + case ARCH_ID_AT91SAM9RL64: + at91_soc_initdata.type = AT91_SOC_SAM9RL; at91_boot_soc = at91sam9rl_soc; - else if (cpu_is_at91sam9x5()) + break; + + case ARCH_ID_AT91SAM9X5: + at91_soc_initdata.type = AT91_SOC_SAM9X5; at91_boot_soc = at91sam9x5_soc; - else - panic("Impossible to detect the SOC type"); + break; + } + + /* at91sam9g10 */ + if ((cidr & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) { + at91_soc_initdata.type = AT91_SOC_SAM9G10; + at91_boot_soc = at91sam9261_soc; + } + /* at91sam9xe */ + else if ((cidr & AT91_CIDR_ARCH) == ARCH_FAMILY_AT91SAM9XE) { + at91_soc_initdata.type = AT91_SOC_SAM9260; + at91_soc_initdata.subtype = AT91_SOC_SAM9XE; + at91_boot_soc = at91sam9260_soc; + } + + if (!at91_soc_is_detected()) + return; + + at91_soc_initdata.cidr = cidr; + + /* sub version of soc */ + at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID); + + if (at91_soc_initdata.type == AT91_SOC_SAM9G45) { + switch (at91_soc_initdata.exid) { + case ARCH_EXID_AT91SAM9M10: + at91_soc_initdata.subtype = AT91_SOC_SAM9M10; + break; + case ARCH_EXID_AT91SAM9G46: + at91_soc_initdata.subtype = AT91_SOC_SAM9G46; + break; + case ARCH_EXID_AT91SAM9M11: + at91_soc_initdata.subtype = AT91_SOC_SAM9M11; + break; + } + } + + if (at91_soc_initdata.type == AT91_SOC_SAM9X5) { + switch (at91_soc_initdata.exid) { + case ARCH_EXID_AT91SAM9G15: + at91_soc_initdata.subtype = AT91_SOC_SAM9G15; + break; + case ARCH_EXID_AT91SAM9G35: + at91_soc_initdata.subtype = AT91_SOC_SAM9G35; + break; + case ARCH_EXID_AT91SAM9X35: + at91_soc_initdata.subtype = AT91_SOC_SAM9X35; + break; + case ARCH_EXID_AT91SAM9G25: + at91_soc_initdata.subtype = AT91_SOC_SAM9G25; + break; + case ARCH_EXID_AT91SAM9X25: + at91_soc_initdata.subtype = AT91_SOC_SAM9X25; + break; + } + } +} + +static const char *soc_name[] = { + [AT91_SOC_RM9200] = "at91rm9200", + [AT91_SOC_CAP9] = "at91cap9", + [AT91_SOC_SAM9260] = "at91sam9260", + [AT91_SOC_SAM9261] = "at91sam9261", + [AT91_SOC_SAM9263] = "at91sam9263", + [AT91_SOC_SAM9G10] = "at91sam9g10", + [AT91_SOC_SAM9G20] = "at91sam9g20", + [AT91_SOC_SAM9G45] = "at91sam9g45", + [AT91_SOC_SAM9RL] = "at91sam9rl", + [AT91_SOC_SAM9X5] = "at91sam9x5", + [AT91_SOC_NONE] = "Unknown" +}; + +const char *at91_get_soc_type(struct at91_socinfo *c) +{ + return soc_name[c->type]; +} +EXPORT_SYMBOL(at91_get_soc_type); + +static const char *soc_subtype_name[] = { + [AT91_SOC_RM9200_BGA] = "at91rm9200 BGA", + [AT91_SOC_RM9200_PQFP] = "at91rm9200 PQFP", + [AT91_SOC_CAP9_REV_B] = "at91cap9 revB", + [AT91_SOC_CAP9_REV_C] = "at91cap9 revC", + [AT91_SOC_SAM9XE] = "at91sam9xe", + [AT91_SOC_SAM9G45ES] = "at91sam9g45es", + [AT91_SOC_SAM9M10] = "at91sam9m10", + [AT91_SOC_SAM9G46] = "at91sam9g46", + [AT91_SOC_SAM9M11] = "at91sam9m11", + [AT91_SOC_SAM9G15] = "at91sam9g15", + [AT91_SOC_SAM9G35] = "at91sam9g35", + [AT91_SOC_SAM9X35] = "at91sam9x35", + [AT91_SOC_SAM9G25] = "at91sam9g25", + [AT91_SOC_SAM9X25] = "at91sam9x25", + [AT91_SOC_SUBTYPE_NONE] = "Unknown" +}; + +const char *at91_get_soc_subtype(struct at91_socinfo *c) +{ + return soc_subtype_name[c->subtype]; +} +EXPORT_SYMBOL(at91_get_soc_subtype); + +void __init at91_map_io(void) +{ + /* Map peripherals */ + iotable_init(&at91_io_desc, 1); + + at91_soc_initdata.type = AT91_SOC_NONE; + at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; + + soc_detect(AT91_DBGU0); + if (!at91_soc_is_detected()) + soc_detect(AT91_DBGU1); + + if (!at91_soc_is_detected()) + panic("AT91: Impossible to detect the SOC type"); + + pr_info("AT91: Detected soc type: %s\n", + at91_get_soc_type(&at91_soc_initdata)); + pr_info("AT91: Detected soc subtype: %s\n", + at91_get_soc_subtype(&at91_soc_initdata)); + + if (!at91_soc_is_enabled()) + panic("AT91: Soc not enabled"); if (at91_boot_soc.map_io) at91_boot_soc.map_io(); diff --git a/arch/arm/mach-at91/soc.h b/arch/arm/mach-at91/soc.h index 99afa7c..9de7be4 100644 --- a/arch/arm/mach-at91/soc.h +++ b/arch/arm/mach-at91/soc.h @@ -4,18 +4,55 @@ * Under GPLv2 */ -struct at91_soc { +struct at91_init_soc { unsigned int *default_irq_priority; void (*map_io)(void); void (*init)(unsigned long main_clock); }; -extern struct at91_soc at91_boot_soc; -extern struct at91_soc at91cap9_soc; -extern struct at91_soc at91rm9200_soc; -extern struct at91_soc at91sam9260_soc; -extern struct at91_soc at91sam9261_soc; -extern struct at91_soc at91sam9263_soc; -extern struct at91_soc at91sam9g45_soc; -extern struct at91_soc at91sam9rl_soc; -extern struct at91_soc at91sam9x5_soc; +extern struct at91_init_soc at91_boot_soc; +extern struct at91_init_soc at91cap9_soc; +extern struct at91_init_soc at91rm9200_soc; +extern struct at91_init_soc at91sam9260_soc; +extern struct at91_init_soc at91sam9261_soc; +extern struct at91_init_soc at91sam9263_soc; +extern struct at91_init_soc at91sam9g45_soc; +extern struct at91_init_soc at91sam9rl_soc; +extern struct at91_init_soc at91sam9x5_soc; + +static inline int at91_soc_is_enabled(void) +{ + return at91_boot_soc.init != NULL; +} + +#if !defined(CONFIG_ARCH_AT91CAP9) +#define at91cap9_soc at91_boot_soc +#endif + +#if !defined(CONFIG_ARCH_AT91RM9200) +#define at91rm9200_soc at91_boot_soc +#endif + +#if !(defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20)) +#define at91sam9260_soc at91_boot_soc +#endif + +#if !(defined(CONFIG_ARCH_AT91SAM9261) || defined(CONFIG_ARCH_AT91SAM9G10)) +#define at91sam9261_soc at91_boot_soc +#endif + +#if !defined(CONFIG_ARCH_AT91SAM9263) +#define at91sam9263_soc at91_boot_soc +#endif + +#if !defined(CONFIG_ARCH_AT91SAM9G45) +#define at91sam9g45_soc at91_boot_soc +#endif + +#if !defined(CONFIG_ARCH_AT91SAM9RL) +#define at91sam9rl_soc at91_boot_soc +#endif + +#if !defined(CONFIG_ARCH_AT91SAM9X5) +#define at91sam9x5_soc at91_boot_soc +#endif |