kc1: OMAP4 reboot mode support
This adds support for the omap4 reboot mode mechanism and exports the reboot
mode via an environment variable, that is used in the boot command to make it
possible to boot from the recovery partition or fastboot.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
diff --git a/board/amazon/kc1/kc1.c b/board/amazon/kc1/kc1.c
index 29d9c64..d526695 100644
--- a/board/amazon/kc1/kc1.c
+++ b/board/amazon/kc1/kc1.c
@@ -85,6 +85,19 @@
int misc_init_r(void)
{
+ char reboot_mode[2] = { 0 };
+
+ /* Reboot mode */
+
+ omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
+
+ if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
+ if (!getenv("reboot-mode"))
+ setenv("reboot-mode", (char *)reboot_mode);
+
+ omap_reboot_mode_clear();
+ }
+
/* Serial number */
omap_die_id_serial();
@@ -123,6 +136,11 @@
omap_die_id_get_board_serial(serialnr);
}
+int fb_set_reboot_flag(void)
+{
+ return omap_reboot_mode_store("b");
+}
+
#ifndef CONFIG_SPL_BUILD
int board_mmc_init(bd_t *bis)
{
diff --git a/board/amazon/kc1/kc1.h b/board/amazon/kc1/kc1.h
index 67d008f..14737d7 100644
--- a/board/amazon/kc1/kc1.h
+++ b/board/amazon/kc1/kc1.h
@@ -11,6 +11,7 @@
#include <asm/arch/mux_omap4.h>
+#define KC1_GPIO_USB_ID 52
#define KC1_GPIO_MBID1 173
#define KC1_GPIO_MBID0 174
#define KC1_GPIO_MBID3 177
@@ -28,6 +29,7 @@
{ GPMC_AD7, (IEN | PTU | M1) }, /* sdmmc2_dat7 */
{ GPMC_NOE, (IEN | PTU | M1) }, /* sdmmc2_clk */
{ GPMC_NWE, (IEN | PTU | M1) }, /* sdmmc2_cmd */
+ { GPMC_NCS2, (IEN | PTD | M3) }, /* gpio_52 */
/* CAM */
{ CAM_SHUTTER, (IDIS | DIS | M7) }, /* safe_mode */
{ CAM_STROBE, (IDIS | DIS | M7) }, /* safe_mode */