[COMMON] soc: samsung: exynos-reboot: Add reboot mode

This patch add recovery and fastboot modet

Change-Id: If8c490f3ec23c88e16718aed6d1a03da02ce48a4
Signed-off-by: Hyunki Koo <hyunki00.koo@samsung.com>

diff --git a/drivers/soc/samsung/exynos-reboot.c b/drivers/soc/samsung/exynos-reboot.c
index 43b90efd70598b47b55f25d584dd5bc13a6ea905..a1fe00c4066326f7c118cf7501afdb2ce8288557 100644 (file)
--- a/drivers/soc/samsung/exynos-reboot.c
+++ b/drivers/soc/samsung/exynos-reboot.c
@@ -67,6 +67,7 @@ int soc_has_big(void)
 #define SWRESET                                (0x0400)
 #define RESET_SEQUENCER_CONFIGURATION  (0x0500)
 #define PS_HOLD_CONTROL                        (0x330C)
+#define EXYNOS_PMU_SYSIP_DAT0                  (0x0810)
 
 /* defines for BIG reset */
 #define PEND_BIG                               (1 << 0)
@@ -199,6 +200,13 @@ void big_reset_control(int en)
 #define INFORM_RAMDUMP         0xd
 #define INFORM_RECOVERY                0xf
 
+#define REBOOT_MODE_NORMAL             0x00
+#define REBOOT_MODE_CHARGE             0x0A
+/* Reboot into fastboot mode */
+#define REBOOT_MODE_FASTBOOT           0xFC
+/* Reboot into recovery */
+#define REBOOT_MODE_RECOVERY           0xFF
+
 #if !defined(CONFIG_SEC_REBOOT)
 #ifdef CONFIG_OF
 static void exynos_power_off(void)
@@ -260,20 +268,26 @@ static void exynos_power_off(void)
 
 static void exynos_reboot(enum reboot_mode mode, const char *cmd)
 {
-       u32 restart_inform, soc_id, revision;
+       u32 soc_id, revision;
+       void __iomem *addr;
 
        if (!exynos_pmu_base)
                return;
 #ifdef CONFIG_EXYNOS_ACPM
        exynos_acpm_reboot();
 #endif
-       restart_inform = INFORM_NONE;
+       printk("[%s] reboot cmd: %s\n", __func__, cmd);
 
+       addr = exynos_pmu_base + EXYNOS_PMU_SYSIP_DAT0;
        if (cmd) {
-               if (!strcmp((char *)cmd, "recovery"))
-                       restart_inform = INFORM_RECOVERY;
-               else if(!strcmp((char *)cmd, "ramdump"))
-                       restart_inform = INFORM_RAMDUMP;
+               if (!strcmp((char *)cmd, "charge")) {
+                       __raw_writel(REBOOT_MODE_CHARGE, addr);
+               } else if (!strcmp(cmd, "bootloader") || !strcmp(cmd, "bl") ||
+                               !strcmp((char *)cmd, "fastboot") || !strcmp(cmd, "fb")) {
+                       __raw_writel(REBOOT_MODE_FASTBOOT, addr);
+               } else if (!strcmp(cmd, "recovery")) {
+                       __raw_writel(REBOOT_MODE_RECOVERY, addr);
+               }
        }
 
        /* Check by each SoC */