diff options
| author | Nikita Kiryanov <nikita@compulab.co.il> | 2012-05-24 04:01:24 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-07-07 14:07:24 +0200 |
| commit | 8c318eb3a0db27ea7f0ae3e7be42f5b4b375cf3b (patch) | |
| tree | 51ee450a3218dbefc1251cca38e540ddc4b35df6 /board/cm_t35 | |
| parent | 2ef6302f8728d52ee4fb3b169be5dc6becae566f (diff) | |
| download | u-boot-imx-8c318eb3a0db27ea7f0ae3e7be42f5b4b375cf3b.zip u-boot-imx-8c318eb3a0db27ea7f0ae3e7be42f5b4b375cf3b.tar.gz u-boot-imx-8c318eb3a0db27ea7f0ae3e7be42f5b4b375cf3b.tar.bz2 | |
cm-t35: print PCB revision information
Buffer the PCB revision to avoid multiple eeprom accesses
for the same data and print it as a part of board information.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/cm_t35')
| -rw-r--r-- | board/cm_t35/cm_t35.c | 33 | ||||
| -rw-r--r-- | board/cm_t35/eeprom.c | 6 | ||||
| -rw-r--r-- | board/cm_t35/eeprom.h | 5 |
3 files changed, 41 insertions, 3 deletions
diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c index 89e6b08..700c184 100644 --- a/board/cm_t35/cm_t35.c +++ b/board/cm_t35/cm_t35.c @@ -99,6 +99,39 @@ int board_init(void) return 0; } +static u32 cm_t3x_rev; + +/* + * Routine: get_board_rev + * Description: read system revision + */ +u32 get_board_rev(void) +{ + if (!cm_t3x_rev) + cm_t3x_rev = cm_t3x_eeprom_get_board_rev(); + + return cm_t3x_rev; +}; + +/* + * Routine: misc_init_r + * Description: display die ID + */ +int misc_init_r(void) +{ + u32 board_rev = get_board_rev(); + u32 rev_major = board_rev / 100; + u32 rev_minor = board_rev - (rev_major * 100); + + if ((rev_minor / 10) * 10 == rev_minor) + rev_minor = rev_minor / 10; + + printf("PCB: %u.%u\n", rev_major, rev_minor); + dieid_num_r(); + + return 0; +} + /* * Routine: set_muxconf_regs * Description: Setting up the configuration Mux registers specific to the diff --git a/board/cm_t35/eeprom.c b/board/cm_t35/eeprom.c index 4986b23..b0af103 100644 --- a/board/cm_t35/eeprom.c +++ b/board/cm_t35/eeprom.c @@ -99,10 +99,10 @@ int cm_t3x_eeprom_read_mac_addr(uchar *buf) } /* - * Routine: get_board_rev - * Description: read system revision + * Routine: cm_t3x_eeprom_get_board_rev + * Description: read system revision from eeprom */ -u32 get_board_rev(void) +u32 cm_t3x_eeprom_get_board_rev(void) { u32 rev = 0; char str[5]; /* Legacy representation can contain at most 4 digits */ diff --git a/board/cm_t35/eeprom.h b/board/cm_t35/eeprom.h index ec772c6..38824d1 100644 --- a/board/cm_t35/eeprom.h +++ b/board/cm_t35/eeprom.h @@ -23,11 +23,16 @@ #ifdef CONFIG_DRIVER_OMAP34XX_I2C int cm_t3x_eeprom_read_mac_addr(uchar *buf); +u32 cm_t3x_eeprom_get_board_rev(void); #else static inline int cm_t3x_eeprom_read_mac_addr(uchar *buf) { return 1; } +static inline u32 cm_t3x_eeprom_get_board_rev(void) +{ + return 0; +} #endif #endif |