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km_arm: enable POST for these boards

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The current km_arm boards have a Power-On test jumper. When this
jumper is set, this triggers some Power-On tests on the board.

This patch enables the support of this jumper for starting the
memory_regions test when the jumper is set.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
This commit is contained in:
Valentin Longchamp 2011-09-12 04:18:42 +00:00 • committed by Wolfgang Denk
parent e5847b7730
commit 9400f8fa7c
2 changed files with 39 additions and 0 deletions
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33
board/keymile/km_arm/km_arm.c
View file

@ -448,6 +448,39 @@ int get_scl(void)
}
#endif
#if defined(CONFIG_POST)
#define KM_POST_EN_L 44
#define POST_WORD_OFF 8
int post_hotkeys_pressed(void)
{
return !kw_gpio_get_value(KM_POST_EN_L);
}
ulong post_word_load(void)
{
volatile void* addr = (void *) (gd->ram_size - BOOTCOUNT_ADDR + POST_WORD_OFF);
return in_le32(addr);
}
void post_word_store(ulong value)
{
volatile void* addr = (void *) (gd->ram_size - BOOTCOUNT_ADDR + POST_WORD_OFF);
out_le32(addr, value);
}
int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
{
*vstart = CONFIG_SYS_SDRAM_BASE;
/* we go up to relocation plus a 1 MB margin */
*size = CONFIG_SYS_TEXT_BASE - (1<<20);
return 0;
}
#endif
#if defined(CONFIG_SYS_EEPROM_WREN)
int eeprom_write_enable(unsigned dev_addr, int state)
{

6
include/configs/km/km_arm.h
View file

@ -272,4 +272,10 @@ int get_scl(void);
/* address for the bootcount (taken from end of RAM) */
#define BOOTCOUNT_ADDR (CONFIG_KM_RESERVED_PRAM)
/* enable POST tests */
#define CONFIG_POST (CONFIG_SYS_POST_MEM_REGIONS)
#define CONFIG_POST_SKIP_ENV_FLAGS
#define CONFIG_POST_EXTERNAL_WORD_FUNCS
#define CONFIG_CMD_DIAG
#endif /* _CONFIG_KM_ARM_H */