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mx6qsabre{sd,auto}: Add boot mode select 

Adds support for 'bmode' command which let user to choose where to
boot from; this allows U-Boot to load system from another storage
without messing with jumpers.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Otavio Salvador 2013-03-16 08:05:07 +00:00 committed by Stefano Babic
parent 60bb462148
commit 85449dbd4b
3 changed files with 42 additions and 0 deletions
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18
board/freescale/mx6qsabreauto/mx6qsabreauto.c
View File

@ -26,6 +26,7 @@
#include <asm/errno.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <miiphy.h>
@ -216,6 +217,23 @@ int board_init(void)
return 0;
}
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
{"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
{NULL, 0},
};
#endif
int board_late_init(void)
{
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
return 0;
}
int checkboard(void)
{
int rev = mx6sabre_rev();

22
board/freescale/mx6qsabresd/mx6qsabresd.c
View File

@ -26,10 +26,12 @@
#include <asm/errno.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <miiphy.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
@ -272,6 +274,26 @@ int board_init(void)
return 0;
}
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
{"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
/* 8 bit bus width */
{"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
{NULL, 0},
};
#endif
int board_late_init(void)
{
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
return 0;
}
int checkboard(void)
{
puts("Board: MX6Q-SabreSD\n");

2
include/configs/mx6qsabre_common.h
View File

@ -36,6 +36,7 @@
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * 1024 * 1024)
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_BOARD_LATE_INIT
#define CONFIG_MXC_GPIO
#define CONFIG_MXC_UART
@ -75,6 +76,7 @@
/* Command definition */
#include <config_cmd_default.h>
#define CONFIG_CMD_BMODE
#define CONFIG_CMD_BOOTZ
#undef CONFIG_CMD_IMLS