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authorTim Harvey <tharvey@gateworks.com>2015-05-08 18:28:42 -0700
committerStefano Babic <sbabic@denx.de>2015-05-21 19:07:17 +0200
commit53940a50797d4287af1c998a251170ef65927533 (patch)
tree8d6b73de232bf9856faf46f8fc7083da1d6af2f4
parent0d1ea05210f3221667f8085cf167f23f336ca0c0 (diff)
downloadtalos-obmc-uboot-53940a50797d4287af1c998a251170ef65927533.tar.gz
talos-obmc-uboot-53940a50797d4287af1c998a251170ef65927533.zip
imx: ventana: config: enable Falcon mode
Falcon mode entails the SPL booting the OS directly instead of U-Boot. Signed-off-by: Tim Harvey <tharvey@gateworks.com>
-rw-r--r--board/gateworks/gw_ventana/gw_ventana_spl.c20
-rw-r--r--include/configs/gw_ventana.h16
2 files changed, 36 insertions, 0 deletions
diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c
index 2bec428aa1..9f5d2b17cd 100644
--- a/board/gateworks/gw_ventana/gw_ventana_spl.c
+++ b/board/gateworks/gw_ventana/gw_ventana_spl.c
@@ -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)
{
}
diff --git a/include/configs/gw_ventana.h b/include/configs/gw_ventana.h
index 533cbc36e1..7949b125de 100644
--- a/include/configs/gw_ventana.h
+++ b/include/configs/gw_ventana.h
@@ -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
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