Initial file dump from open source releaseHEADmaster

1 files changed, 75 insertions, 0 deletions

diff --git a/drivers/platform/sprd/sys_reset.c b/drivers/platform/sprd/sys_reset.c
new file mode 100755
index 00000000..1f6bc437
--- /dev/null
+++ b/drivers/platform/sprd/sys_reset.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <soc/sprd/sys_reset.h>
+#include <linux/string.h>
+#include <asm/bitops.h>
+
+void sprd_set_reboot_mode(const char *cmd)
+{
+	if(cmd)
+		printk("sprd_set_reboot_mode:cmd=%s\n",cmd);
+	if (cmd && !(strncmp(cmd, "recovery", 8))) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_RECOVERY);
+	} else if (cmd && !strncmp(cmd, "alarm", 5)) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_ALARM);
+	} else if (cmd && !strncmp(cmd, "fastsleep", 9)) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_SLEEP);
+	} else if (cmd && !strncmp(cmd, "bootloader", 10)) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_FASTBOOT);
+	} else if (cmd && !strncmp(cmd, "panic", 5)) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_PANIC);
+	} else if (cmd && !strncmp(cmd, "special", 7)) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_SPECIAL);
+	} else if (cmd && !strncmp(cmd, "cftreboot", 9)) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_CFTREBOOT);
+	} else if (cmd && !strncmp(cmd, "autodloader", 11)) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_AUTODLOADER);
+	} else if (cmd && !strncmp(cmd, "iqmode", 6)) {
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_IQMODE);
+	} else if(cmd){
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_NORMAL);
+	}else{
+		sci_adi_raw_write(ANA_RST_STATUS, HWRST_STATUS_SPECIAL);
+	}
+}
+
+void sprd_turnon_watchdog(unsigned int ms)
+{
+	uint32_t cnt;
+
+	cnt = (ms * 1000) / WDG_CLK;
+
+	/*enable interface clk*/
+	sci_adi_set(ANA_AGEN, AGEN_WDG_EN);
+	/*enable work clk*/
+	sci_adi_set(ANA_RTC_CLK_EN, AGEN_RTC_WDG_EN);
+	sci_adi_raw_write(WDG_LOCK, WDG_UNLOCK_KEY);
+	sci_adi_set(WDG_CTRL, WDG_NEW_VER_EN);
+	WDG_LOAD_TIMER_VALUE(cnt);
+	sci_adi_set(WDG_CTRL, WDG_CNT_EN_BIT | WDG_RST_EN_BIT);
+	sci_adi_raw_write(WDG_LOCK, (uint16_t) (~WDG_UNLOCK_KEY));
+}
+
+void sprd_turnoff_watchdog(void)
+{
+	sci_adi_raw_write(WDG_LOCK, WDG_UNLOCK_KEY);
+	/*wdg counter stop*/
+	sci_adi_clr(WDG_CTRL, WDG_CNT_EN_BIT);
+	/*disable the reset mode*/
+	sci_adi_clr(WDG_CTRL, WDG_RST_EN_BIT);
+	sci_adi_raw_write(WDG_LOCK, (uint16_t) (~WDG_UNLOCK_KEY));
+	/*stop the interface and work clk*/
+	sci_adi_clr(ANA_AGEN, AGEN_WDG_EN);
+	sci_adi_clr(ANA_RTC_CLK_EN, AGEN_RTC_WDG_EN);
+}