* 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>
}
}
+void exynos4412_set_usbhost_phy_ctrl(unsigned int enable)
+{
+ struct exynos4412_power *power =
+ (struct exynos4412_power *)samsung_get_base_power();
+
+ if (enable) {
+ /* Enabling USBHOST_PHY */
+ setbits_le32(&power->usbhost_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ setbits_le32(&power->hsic1_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ setbits_le32(&power->hsic2_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ } else {
+ /* Disabling USBHOST_PHY */
+ clrbits_le32(&power->usbhost_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ clrbits_le32(&power->hsic1_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ clrbits_le32(&power->hsic2_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ }
+}
+
void set_usbhost_phy_ctrl(unsigned int enable)
{
if (cpu_is_exynos5())
exynos5_set_usbhost_phy_ctrl(enable);
+ else if (cpu_is_exynos4())
+ if (proid_is_exynos4412())
+ exynos4412_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);
+ }
+}
+
+static void exynos5420_set_usbdev_phy_ctrl(unsigned int enable)
+{
+ struct exynos5420_power *power =
+ (struct exynos5420_power *)samsung_get_base_power();
+
+ if (enable) {
+ /* Enabling USBDEV_PHY */
+ setbits_le32(&power->usbdev_phy_control,
+ POWER_USB_DRD_PHY_CTRL_EN);
+ setbits_le32(&power->usbdev1_phy_control,
+ POWER_USB_DRD_PHY_CTRL_EN);
+ } else {
+ /* Disabling USBDEV_PHY */
+ clrbits_le32(&power->usbdev_phy_control,
+ POWER_USB_DRD_PHY_CTRL_EN);
+ clrbits_le32(&power->usbdev1_phy_control,
+ POWER_USB_DRD_PHY_CTRL_EN);
+ }
+}
+
+void set_usbdrd_phy_ctrl(unsigned int enable)
+{
+ if (cpu_is_exynos5()) {
+ if (proid_is_exynos5420() || proid_is_exynos5800())
+ exynos5420_set_usbdev_phy_ctrl(enable);
+ else
+ exynos5_set_usbdrd_phy_ctrl(enable);
+ }
}
static void exynos5_dp_phy_control(unsigned int enable)
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())
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();
+}
+
+unsigned int get_boot_mode(void)
+{
+ unsigned int om_pin = samsung_get_base_power();
+
+ return readl(om_pin) & OM_PIN_MASK;
+}