summaryrefslogtreecommitdiff
path: root/src/cpu/samsung/exynos5250/power.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu/samsung/exynos5250/power.h')
-rw-r--r--src/cpu/samsung/exynos5250/power.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5250/power.h b/src/cpu/samsung/exynos5250/power.h
new file mode 100644
index 0000000000..59a02574db
--- /dev/null
+++ b/src/cpu/samsung/exynos5250/power.h
@@ -0,0 +1,89 @@
+/*
+ * (C) Copyright 2012 Samsung Electronics
+ * Register map for Exynos5 PMU
+ *
+ * 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
+ */
+
+#ifndef __EXYNOS5_POWER_H__
+#define __EXYNOS5_POWER_H__
+
+#define MIPI_PHY1_CONTROL_ENABLE (1 << 0)
+#define MIPI_PHY1_CONTROL_M_RESETN (1 << 2)
+
+#define POWER_USB_HOST_PHY_CTRL_EN (1 << 0)
+#define POWER_PS_HOLD_CONTROL_DATA_HIGH (1 << 8)
+#define POWER_ENABLE_HW_TRIP (1UL << 31)
+
+#define DPTX_PHY_ENABLE (1 << 0)
+
+/* PMU_DEBUG bits [12:8] = 0x1000 selects XXTI clock source */
+#define PMU_DEBUG_XXTI 0x1000
+/* Mask bit[12:8] for xxti clock selection */
+#define PMU_DEBUG_CLKOUT_SEL_MASK 0x1f00
+
+/* Power Management Unit register map */
+struct exynos5_power {
+ /* Add registers as and when required */
+ uint8_t reserved1[0x0400];
+ uint32_t sw_reset; /* 0x0400 */
+ uint8_t reserved2[0x0304];
+ uint32_t usb_host_phy_ctrl; /* 0x0708 */
+ uint8_t reserved3[0x8];
+ uint32_t mipi_phy1_control; /* 0x0714 */
+ uint8_t reserved4[0x8];
+ uint32_t dptx_phy_control; /* 0x0720 */
+ uint8_t reserved5[0xdc];
+ uint32_t inform0; /* 0x0800 */
+ uint32_t inform1; /* 0x0804 */
+ uint8_t reserved6[0x1f8];
+ uint32_t pmu_debug; /* 0x0A00*/
+ uint8_t reserved7[0x2908];
+ uint32_t ps_hold_ctrl; /* 0x330c */
+} __attribute__ ((__packed__));
+
+/**
+ * Perform a software reset.
+ */
+void power_reset(void);
+
+/**
+ * Power off the system; it should never return.
+ */
+void power_shutdown(void);
+
+/* Enable DPTX PHY */
+void power_enable_dp_phy(void);
+
+void power_enable_usb_phy(void);
+void power_disable_usb_phy(void);
+
+/* Enable HW thermal trip with PS_HOLD_CONTROL register ENABLE_HW_TRIP bit */
+void power_enable_hw_thermal_trip(void);
+
+/* Initialize the pmic voltages to power up the system */
+int power_init(void);
+
+/* Read the reset status. */
+uint32_t power_read_reset_status(void);
+
+/* Read the resume function and call it. */
+void power_exit_wakeup(void);
+
+/* pmu debug is used for xclkout, enable xclkout with source as XXTI */
+void power_enable_xclkout(void);
+
+#endif