Allow i.MX6Q Sabre SD to load the kernel and dtb via SPL in Falcon mode.
Based on the Falcon mode code for MX6 Gateworks Ventana board.
Signed-off-by: Diego Dorta <diego.do...@nxp.com>
---
board/freescale/mx6sabresd/mx6sabresd.c | 12 ++++++++++++
include/configs/mx6sabresd.h | 12 ++++++++++++
2 files changed, 24 insertions(+)
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c
b/board/freescale/mx6sabresd/mx6sabresd.c
index e58c03c..2b6d7be 100644
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -57,6 +57,8 @@ DECLARE_GLOBAL_DATA_PTR;
#define DISP0_PWR_EN IMX_GPIO_NR(1, 21)
+#define KEY_VOL_UP IMX_GPIO_NR(1, 4)
+
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
@@ -682,6 +684,16 @@ int checkboard(void)
#include <spl.h>
#include <libfdt.h>
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+ gpio_direction_input(KEY_VOL_UP);
+
+ /* Only enter in Falcon mode if KEY_VOL_UP is pressed */
+ return gpio_get_value(KEY_VOL_UP);
+}
+#endif
+
static void ccgr_init(void)
{
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h
index 5c2734d..6a7a0d3 100644
--- a/include/configs/mx6sabresd.h
+++ b/include/configs/mx6sabresd.h
@@ -11,6 +11,7 @@
#ifdef CONFIG_SPL
#include "imx6_spl.h"
+#undef CONFIG_SPL_EXT_SUPPORT
#endif
#define CONFIG_MACH_TYPE 3980
@@ -22,6 +23,17 @@
#include "mx6sabre_common.h"
+/* Falcon Mode */
+#define CONFIG_CMD_SPL
+#define CONFIG_SPL_OS_BOOT
+#define CONFIG_SYS_SPL_ARGS_ADDR 0x18000000
+#define CONFIG_CMD_SPL_WRITE_SIZE (128 * SZ_1K)
+
+/* 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 */
+
#define CONFIG_SYS_FSL_USDHC_NUM 3
#if defined(CONFIG_ENV_IS_IN_MMC)
#define CONFIG_SYS_MMC_ENV_DEV 1 /* SDHC3 */
--
2.7.4
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