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imx: ventana: config: enable Falcon mode

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Falcon mode entails the SPL booting the OS directly instead of U-Boot.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Tim Harvey 2015-05-08 18:28:42 -07:00 committed by Stefano Babic
parent 0d1ea05210
commit 53940a5079
2 changed files with 36 additions and 0 deletions
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20
board/gateworks/gw_ventana/gw_ventana_spl.c
View File

@ -14,6 +14,7 @@
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/mxc_i2c.h>
#include <environment.h>
#include <spl.h>
#include "gsc.h"
@ -556,6 +557,25 @@ void spl_board_init(void)
setup_pmic();
}
#ifdef CONFIG_SPL_OS_BOOT
/* return 1 if we wish to boot to uboot vs os (falcon mode) */
int spl_start_uboot(void)
{
int ret = 1;
debug("%s\n", __func__);
#ifdef CONFIG_SPL_ENV_SUPPORT
env_init();
env_relocate_spec();
debug("boot_os=%s\n", getenv("boot_os"));
if (getenv_yesno("boot_os") == 1)
ret = 0;
#endif
debug("%s booting %s\n", __func__, ret ? "uboot" : "linux");
return ret;
}
#endif
void reset_cpu(ulong addr)
{
}

16
include/configs/gw_ventana.h
View File

@ -17,6 +17,22 @@
/* Location in NAND to read U-Boot from */
#define CONFIG_SYS_NAND_U_BOOT_OFFS (14 * SZ_1M)
/* Falcon Mode */
#define CONFIG_CMD_SPL
#define CONFIG_SPL_OS_BOOT
#define CONFIG_SPL_ENV_SUPPORT
#define CONFIG_SYS_SPL_ARGS_ADDR 0x18000000
#define CONFIG_CMD_SPL_WRITE_SIZE (128 * SZ_1K)
/* Falcon Mode - NAND support: args@17MB kernel@18MB */
#define CONFIG_CMD_SPL_NAND_OFS (17 * SZ_1M)
#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS (18 * SZ_1M)
/* Falcon Mode - MMC support: args@1MB kernel@2MB */
#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x800 /* 1MB */
#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS (CONFIG_CMD_SPL_WRITE_SIZE / 512)
#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x1000 /* 2MB */
#include "imx6_spl.h" /* common IMX6 SPL configuration */
#include "mx6_common.h"
#define CONFIG_MX6