X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fexynos%2Fpower.c;h=638ee0b30b5d5e87b742ed86648966a497cd81e0;hb=dab5e3469d294a4e1ffed8407d296a78e02cc01f;hp=4116781a36aad71ba46c7afa59b60954a74ce8fc;hpb=d978780b2e676c005460cd561f4f15b5220bdf49;p=u-boot

diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
index 4116781a36..638ee0b30b 100644
--- 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>
@@ -74,3 +58,147 @@ void set_usbhost_phy_ctrl(unsigned int enable)
 	if (cpu_is_exynos5())
 		exynos5_set_usbhost_phy_ctrl(enable);
 }
+
+static void exynos5_set_usbdrd_phy_ctrl(unsigned int enable)
+{
+	struct exynos5_power *power =
+		(struct exynos5_power *)samsung_get_base_power();
+
+	if (enable) {
+		/* Enabling USBDRD_PHY */
+		setbits_le32(&power->usbdrd_phy_control,
+				POWER_USB_DRD_PHY_CTRL_EN);
+	} else {
+		/* Disabling USBDRD_PHY */
+		clrbits_le32(&power->usbdrd_phy_control,
+				POWER_USB_DRD_PHY_CTRL_EN);
+	}
+}
+
+void set_usbdrd_phy_ctrl(unsigned int enable)
+{
+	if (cpu_is_exynos5())
+		exynos5_set_usbdrd_phy_ctrl(enable);
+}
+
+static void exynos5_dp_phy_control(unsigned int enable)
+{
+	unsigned int cfg;
+	struct exynos5_power *power =
+	    (struct exynos5_power *)samsung_get_base_power();
+
+	cfg = readl(&power->dptx_phy_control);
+	if (enable)
+		cfg |= EXYNOS_DP_PHY_ENABLE;
+	else
+		cfg &= ~EXYNOS_DP_PHY_ENABLE;
+
+	writel(cfg, &power->dptx_phy_control);
+}
+
+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);
+}
+
+/*
+ * Set ps_hold data driving value high
+ * This enables the machine to stay powered on
+ * after the initial power-on condition goes away
+ * (e.g. power button).
+ */
+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();
+}