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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-exynos/power.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-exynos/power.c')
-rw-r--r--roms/u-boot/arch/arm/mach-exynos/power.c261
1 files changed, 261 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-exynos/power.c b/roms/u-boot/arch/arm/mach-exynos/power.c
new file mode 100644
index 000000000..f2a6c00dd
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-exynos/power.c
@@ -0,0 +1,261 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <dh09.lee@samsung.com>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/power.h>
+
+static void exynos4_mipi_phy_control(unsigned int dev_index,
+ unsigned int enable)
+{
+ struct exynos4_power *pmu =
+ (struct exynos4_power *)samsung_get_base_power();
+ unsigned int addr, cfg = 0;
+
+ if (dev_index == 0)
+ addr = (unsigned int)&pmu->mipi_phy0_control;
+ else
+ addr = (unsigned int)&pmu->mipi_phy1_control;
+
+
+ cfg = readl(addr);
+ if (enable)
+ cfg |= (EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE);
+ else
+ cfg &= ~(EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE);
+
+ writel(cfg, addr);
+}
+
+void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable)
+{
+ if (cpu_is_exynos4())
+ exynos4_mipi_phy_control(dev_index, enable);
+}
+
+void exynos5_set_usbhost_phy_ctrl(unsigned int enable)
+{
+ struct exynos5_power *power =
+ (struct exynos5_power *)samsung_get_base_power();
+
+ if (enable) {
+ /* Enabling USBHOST_PHY */
+ setbits_le32(&power->usbhost_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ } else {
+ /* Disabling USBHOST_PHY */
+ clrbits_le32(&power->usbhost_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ }
+}
+
+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_exynos542x())
+ exynos5420_set_usbdev_phy_ctrl(enable);
+ else
+ 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 exynos_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();
+}
+
+unsigned int get_boot_mode(void)
+{
+ unsigned int om_pin = samsung_get_base_power();
+
+ return readl(om_pin) & OM_PIN_MASK;
+}