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km/common: check test_bank and testpin for testboot

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If the testpin is asserted, first check if a test_bank
variable is defined before trying to boot this
test_bank.

Signed-off-by: Thomas Herzmann <thomas.herzmann@keymile.com>
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Thomas Herzmann 2012-05-04 10:55:58 +02:00 committed by Kim Phillips
parent 13fff22291
commit c1b3d84168
2 changed files with 39 additions and 1 deletions
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36
board/keymile/common/common.c
View file

@ -34,6 +34,9 @@
#include <asm/io.h>
#include <linux/ctype.h>
#if defined(CONFIG_POST)
#include "post.h"
#endif
#include "common.h"
#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
#include <i2c.h>
@ -390,3 +393,36 @@ U_BOOT_CMD(km_checkbidhwk, 2, 0, do_checkboardidhwk,
"\"boardIdListHex\" against stored boardid and hwkey "\
"from the IVM\n v: verbose output"
);
/*
* command km_checktestboot
* if the testpin of the board is asserted, return 1
* * else return 0
*/
int do_checktestboot(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
int testpin = 0;
char *s = NULL;
int testboot = 0;
int verbose = argc > 1 && *argv[1] == 'v';
#if defined(CONFIG_POST)
testpin = post_hotkeys_pressed();
s = getenv("test_bank");
#endif
/* when test_bank is not set, act as if testpin is not asserted */
testboot = (testpin != 0) && (s);
if (verbose) {
printf("testpin = %d\n", testpin);
printf("test_bank = %s\n", s ? s : "not set");
printf("boot test app : %s\n", (testboot) ? "yes" : "no");
}
/* return 0 means: testboot, therefore we need the inversion */
return !testboot;
}
U_BOOT_CMD(km_checktestboot, 2, 0, do_checktestboot,
"check if testpin is asserted",
"[v]\n v - verbose output"
);

4
include/configs/km/keymile-common.h
View file

@ -245,7 +245,9 @@
CONFIG_KM_DEF_ENV_CONSTANTS \
"altbootcmd=run bootcmd\0" \
"bootcmd=km_checkbidhwk && " \
" setenv bootcmd \'setenv boot_bank ${actual_bank}; " \
"setenv bootcmd \'if km_checktestboot; then; " \
"setenv boot_bank ${test_bank}; else; " \
"setenv boot_bank ${actual_bank}; fi;" \
"run ${subbootcmds}; reset\' && " \
"setenv altbootcmd \'setenv boot_bank ${backup_bank}; " \
"run ${subbootcmds}; reset\' && " \