1 files changed, 112 insertions, 0 deletions
diff --git a/src/soc/samsung/exynos5420/power.h b/src/soc/samsung/exynos5420/power.h
new file mode 100644
index 0000000000..fd1eac5768
--- /dev/null
+++ b/src/soc/samsung/exynos5420/power.h
@@ -0,0 +1,112 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Register map for Exynos5 PMU */
+
+#ifndef CPU_SAMSUNG_EXYNOS5420_POWER_H
+#define CPU_SAMSUNG_EXYNOS5420_POWER_H
+
+#include "cpu.h"
+
+/* Enable HW thermal trip with PS_HOLD_CONTROL register ENABLE_HW_TRIP bit */
+void power_enable_hw_thermal_trip(void);
+
+#define MIPI_PHY1_CONTROL_ENABLE		(1 << 0)
+#define MIPI_PHY1_CONTROL_M_RESETN		(1 << 2)
+
+#define POWER_USB_PHY_CTRL_EN			(1 << 0)
+#define POWER_PS_HOLD_CONTROL_DATA_HIGH		(1 << 8)
+#define POWER_ENABLE_HW_TRIP			(1UL << 31)
+
+#define EXYNOS_DP_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 */
+	uint32_t	om_stat;		/* 0x0000 */
+	uint8_t		reserved1[0x03fc];
+	uint32_t	sw_reset;		/* 0x0400 */
+	uint8_t		reserved2[0x0300];
+	uint32_t	usb_drd0_phy_ctrl;	/* 0x0704 */
+	uint32_t	usb_drd1_phy_ctrl;	/* 0x0708 */
+	uint32_t	usb_host_phy_ctrl;	/* 0x070c */
+	uint8_t		reserved3[0x4];
+	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[0x0f8];
+	uint32_t	spare0;			/* 0x0900 */
+	uint8_t		reserved7[0x0fc];
+	uint32_t	pmu_debug;		/* 0x0a00 */
+	uint8_t         reserved8[0x15fc];
+	struct {				/* 0x2000 */
+		uint32_t	config;		/*   0x00 */
+		uint32_t	status;		/*   0x04 */
+		uint8_t		reserved[0x78];
+	} arm_core[4];
+	uint8_t		reserved9[0xe04];
+	uint32_t	padret_dram_status;	/* 0x3004 */
+	uint8_t         reservedA[0xe0];
+	uint32_t        padret_uart_opt;        /* 0x30e8 */
+	uint8_t         reservedB[0xfc];
+	uint32_t	padret_dram_cblk_opt;	/* 0x31e8 */
+	uint8_t         reservedC[0x120];
+	uint32_t	ps_hold_ctrl;		/* 0x330c */
+} __attribute__ ((__packed__));
+
+static struct exynos5_power * const exynos_power = (void*)EXYNOS5_POWER_BASE;
+
+/**
+ * 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);
+
+/* 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);
+
+/* Release UART retention on resume (only for debugging, may conflict with
+ * kernel). */
+void power_release_uart_retention(void);
+
+#endif