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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 /board/gumstix/pepper/board.h | |
| parent | 8f0b1e24e2887713bdcbf35b08902e9555ee7b92 (diff) | |
| download | blackbird-obmc-uboot-5e90470a866875984820dbc48c9b881e0ce773ba.tar.gz blackbird-obmc-uboot-5e90470a866875984820dbc48c9b881e0ce773ba.zip | |
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 'board/gumstix/pepper/board.h')
| -rw-r--r-- | board/gumstix/pepper/board.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/board/gumstix/pepper/board.h b/board/gumstix/pepper/board.h index 0512735a7b..a6df3196f4 100644 --- a/board/gumstix/pepper/board.h +++ b/board/gumstix/pepper/board.h @@ -9,6 +9,18 @@ #ifndef _BOARD_H_ #define _BOARD_H_ +#define GUMSTIX_PEPPER 0x30000200 +#define GUMSTIX_PEPPER_DVI 0x31000200 + +struct pepper_board_id { + unsigned int device_vendor; + unsigned char revision; + unsigned char content; + char fab_revision[8]; + char env_var[16]; + char en_setting[64]; +}; + /* * We must be able to enable uart0, for initial output. We then have a * main pinmux function that can be overridden to enable all other pinmux that @@ -16,4 +28,5 @@ */ void enable_uart0_pin_mux(void); void enable_board_pin_mux(void); +void enable_i2c0_pin_mux(void); #endif |
