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am335x_evm: Add CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG support

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We add CONFIG_ENV_VARS_UBOOT_CONFIG,
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG and CONFIG_BOARD_LATE_INIT to set
the variables and then fdtfile and findfdt to make us of this.  It is
now possible to do 'run findfdt' to have fdtfile be set to the value of
the dtb file to load for the board we are running on.

Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini
2012-10-24 07:28:17 +00:00
parent 418b7f3aff
commit 044fc14bcb
2 changed files with 31 additions and 0 deletions
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20
board/ti/am335x/board.c
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@@ -299,6 +299,26 @@ int board_init(void)
return 0;
}
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
char safe_string[HDR_NAME_LEN + 1];
/* Now set variables based on the header. */
strncpy(safe_string, (char *)header.name, sizeof(header.name));
safe_string[sizeof(header.name)] = 0;
setenv("board_name", safe_string);
strncpy(safe_string, (char *)header.version, sizeof(header.version));
safe_string[sizeof(header.version)] = 0;
setenv("board_rev", safe_string);
#endif
return 0;
}
#endif
#ifdef CONFIG_DRIVER_TI_CPSW
static void cpsw_control(int enabled)
{