diff options
| author | Ajay Kumar Gupta <ajay.gupta@ti.com> | 2009-11-22 10:11:27 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2009-11-22 10:24:33 -0800 |
| commit | db408023b85644e1bee80d4004aff1ff188032e9 (patch) | |
| tree | bed99e2c03d4b137082e58b76fb0528fe75cff8a /arch/arm/plat-omap | |
| parent | 50a1f7bfea7ba9330f984ecb7d35aeb93d326cc3 (diff) | |
omap3evm: Add board revision function
Added function to differentiate between the OMAP3EVM revisions. The
chip-id of the ethernet PHY is being used for this purpose.
Rev A to D : 0x01150000
Rev >= E : 0x92200000
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/board.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/board.h b/arch/arm/plat-omap/include/plat/board.h index c4fc69f0979..abb17b604f8 100644 --- a/arch/arm/plat-omap/include/plat/board.h +++ b/arch/arm/plat-omap/include/plat/board.h @@ -14,6 +14,18 @@ #include <plat/gpio-switch.h> +/* + * OMAP35x EVM revision + * Run time detection of EVM revision is done by reading Ethernet + * PHY ID - + * GEN_1 = 0x01150000 + * GEN_2 = 0x92200000 + */ +enum { + OMAP3EVM_BOARD_GEN_1 = 0, /* EVM Rev between A - D */ + OMAP3EVM_BOARD_GEN_2, /* EVM Rev >= Rev E */ +}; + /* Different peripheral ids */ #define OMAP_TAG_CLOCK 0x4f01 #define OMAP_TAG_LCD 0x4f05 @@ -157,4 +169,10 @@ extern int omap_board_config_size; /* for TI reference platforms sharing the same debug card */ extern int debug_card_init(u32 addr, unsigned gpio); +/* OMAP3EVM revision */ +#if defined(CONFIG_MACH_OMAP3EVM) +u8 get_omap3_evm_rev(void); +#else +#define get_omap3_evm_rev() (-EINVAL) +#endif #endif |