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| author | Adam YH Lee <adam.yh.lee@gmail.com> | 2015-06-01 14:29:09 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-06-08 17:32:40 -0400 |
| commit | 5e90470a866875984820dbc48c9b881e0ce773ba (patch) | |
| tree | 39a732020d311e4f080725f7a420bbe32bb5eca2 /include | |
| parent | 8f0b1e24e2887713bdcbf35b08902e9555ee7b92 (diff) | |
| download | u-boot-imx-5e90470a866875984820dbc48c9b881e0ce773ba.zip u-boot-imx-5e90470a866875984820dbc48c9b881e0ce773ba.tar.gz u-boot-imx-5e90470a866875984820dbc48c9b881e0ce773ba.tar.bz2 | |
pepper: Implement Board Detection mechanism
AM335x-based 'Gumstix Pepper' SBCs and variants use different types of
RAM (DDR2 vs DDR3 with DDR3 being the default). Detect the board type
by reading the factory-programmed EEPROM [1] and use this to select any
runtime boot options such as RAM type.
[1] http://elinux.org/BeagleBoardPinMux#List_of_Vendor_and_Device_IDs
Signed-off-by: Adam YH Lee <adam.yh.lee@gmail.com>
Signed-off-by: Ash Charles <ashcharles@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/pepper.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/configs/pepper.h b/include/configs/pepper.h index cc153ab..16149f6 100644 --- a/include/configs/pepper.h +++ b/include/configs/pepper.h @@ -20,6 +20,8 @@ #undef CONFIG_SYS_PROMPT #define CONFIG_SYS_PROMPT "pepper# " +#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 + /* Mach type */ #define MACH_TYPE_PEPPER 4207 /* Until the next sync */ #define CONFIG_MACH_TYPE MACH_TYPE_PEPPER |