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ARM: rpi: Add CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG support 

Add CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG support and enable it to set
'board_rev' and 'board_name' envs.
'board_rev' can be used in scripts to determine what board we are running on
and 'board_name' for pretty printing.

Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>

Cc: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
This commit is contained in:
Guillaume GARDET 2015-08-25 15:10:26 +02:00 committed by Tom Rini
parent 13cfbe5135
commit bff78567da
2 changed files with 14 additions and 0 deletions
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13
board/raspberrypi/rpi/rpi.c
View File

@ -242,10 +242,23 @@ static void set_usbethaddr(void)
return;
}
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
static void set_board_info(void)
{
char str_rev[11];
sprintf(str_rev, "0x%X", rpi_board_rev);
setenv("board_rev", str_rev);
setenv("board_name", models[rpi_board_rev].name);
}
#endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
int misc_init_r(void)
{
set_fdtfile();
set_usbethaddr();
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
set_board_info();
#endif
return 0;
}

1
include/configs/rpi-common.h
View File

@ -133,6 +133,7 @@
#include <config_distro_defaults.h>
/* Environment */
#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
#define ENV_DEVICE_SETTINGS \
"stdin=serial,lcd\0" \
"stdout=serial,lcd\0" \