Update from 2013.01 to 2013.07

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / exynos / power.c

diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
index d4bce6d4ddad74ab150e61e6d4dd9e470839999d..517e804f34395af6ec732a786de45ddbdf4f86b9 100644 (file)
--- a/arch/arm/cpu/armv7/exynos/power.c
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -2,23 +2,7 @@
  * Copyright (C) 2012 Samsung Electronics
  * Donghwa Lee <dh09.lee@samsung.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -95,3 +79,98 @@ void set_dp_phy_ctrl(unsigned int enable)
        if (cpu_is_exynos5())
                exynos5_dp_phy_control(enable);
 }
+
+static void exynos5_set_ps_hold_ctrl(void)
+{
+       struct exynos5_power *power =
+               (struct exynos5_power *)samsung_get_base_power();
+
+       /* Set PS-Hold high */
+       setbits_le32(&power->ps_hold_control,
+                       EXYNOS_PS_HOLD_CONTROL_DATA_HIGH);
+}
+
+void set_ps_hold_ctrl(void)
+{
+       if (cpu_is_exynos5())
+               exynos5_set_ps_hold_ctrl();
+}
+
+
+static void exynos5_set_xclkout(void)
+{
+       struct exynos5_power *power =
+               (struct exynos5_power *)samsung_get_base_power();
+
+       /* use xxti for xclk out */
+       clrsetbits_le32(&power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK,
+                               PMU_DEBUG_XXTI);
+}
+
+void set_xclkout(void)
+{
+       if (cpu_is_exynos5())
+               exynos5_set_xclkout();
+}
+
+/* Enables hardware tripping to power off the system when TMU fails */
+void set_hw_thermal_trip(void)
+{
+       if (cpu_is_exynos5()) {
+               struct exynos5_power *power =
+                       (struct exynos5_power *)samsung_get_base_power();
+
+               /* PS_HOLD_CONTROL register ENABLE_HW_TRIP bit*/
+               setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP);
+       }
+}
+
+static uint32_t exynos5_get_reset_status(void)
+{
+       struct exynos5_power *power =
+               (struct exynos5_power *)samsung_get_base_power();
+
+       return power->inform1;
+}
+
+static uint32_t exynos4_get_reset_status(void)
+{
+       struct exynos4_power *power =
+               (struct exynos4_power *)samsung_get_base_power();
+
+       return power->inform1;
+}
+
+uint32_t get_reset_status(void)
+{
+       if (cpu_is_exynos5())
+               return exynos5_get_reset_status();
+       else
+               return  exynos4_get_reset_status();
+}
+
+static void exynos5_power_exit_wakeup(void)
+{
+       struct exynos5_power *power =
+               (struct exynos5_power *)samsung_get_base_power();
+       typedef void (*resume_func)(void);
+
+       ((resume_func)power->inform0)();
+}
+
+static void exynos4_power_exit_wakeup(void)
+{
+       struct exynos4_power *power =
+               (struct exynos4_power *)samsung_get_base_power();
+       typedef void (*resume_func)(void);
+
+       ((resume_func)power->inform0)();
+}
+
+void power_exit_wakeup(void)
+{
+       if (cpu_is_exynos5())
+               exynos5_power_exit_wakeup();
+       else
+               exynos4_power_exit_wakeup();
+}