diff options
Diffstat (limited to 'arch/arm/mach-at91/include/mach/cpu.h')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/cpu.h | 159 |
1 files changed, 89 insertions, 70 deletions
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index df966c2bc2d..f6ce936dba2 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 (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); -} - -static inline unsigned long at91_cpu_fully_identify(void) -{ - return at91_sys_read(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 at91_sys_read(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 (at91_sys_read(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__ */ |