plat/rockchip/rk3399/drivers/soc/soc.h - filogic/atf - Gitiles

 /*
  * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */

 #ifndef __SOC_H__
 #define __SOC_H__

 #include <utils.h>

 #define GLB_SRST_FST_CFG_VAL	0xfdb9
 #define GLB_SRST_SND_CFG_VAL	0xeca8

 #define PMUCRU_PPLL_CON(n)		((n) * 4)
 #define CRU_PLL_CON(pll_id, n)	((pll_id)  * 0x20 + (n) * 4)
 #define PLL_MODE_MSK			0x03
 #define PLL_MODE_SHIFT			0x08
 #define PLL_BYPASS_MSK			0x01
 #define PLL_BYPASS_SHIFT		0x01
 #define PLL_PWRDN_MSK			0x01
 #define PLL_PWRDN_SHIFT			0x0
 #define PLL_BYPASS			BIT(1)
 #define PLL_PWRDN			BIT(0)

 #define NO_PLL_BYPASS			(0x00)
 #define NO_PLL_PWRDN			(0x00)

 #define FBDIV(n)		((0xfff << 16) | n)
 #define POSTDIV2(n)		((0x7 << (12 + 16)) | (n << 12))
 #define POSTDIV1(n)		((0x7 << (8 + 16)) | (n << 8))
 #define REFDIV(n)		((0x3F << 16) | n)
 #define PLL_LOCK(n)		((n >> 31) & 0x1)

 #define PLL_SLOW_MODE			BITS_WITH_WMASK(SLOW_MODE,\
 						PLL_MODE_MSK, PLL_MODE_SHIFT)

 #define PLL_NOMAL_MODE			BITS_WITH_WMASK(NORMAL_MODE,\
 						PLL_MODE_MSK, PLL_MODE_SHIFT)

 #define PLL_BYPASS_MODE			BIT_WITH_WMSK(PLL_BYPASS_SHIFT)
 #define PLL_NO_BYPASS_MODE		WMSK_BIT(PLL_BYPASS_SHIFT)

 #define PLL_CON_COUNT			0x06
 #define CRU_CLKSEL_COUNT		108
 #define CRU_CLKSEL_CON(n)		(0x100 + (n) * 4)

 #define PMUCRU_CLKSEL_CONUT		0x06
 #define PMUCRU_CLKSEL_OFFSET		0x080
 #define REG_SIZE			0x04
 #define REG_SOC_WMSK			0xffff0000
 #define CLK_GATE_MASK			0x01

 #define PMUCRU_GATE_COUNT	0x03
 #define CRU_GATE_COUNT		0x23
 #define PMUCRU_GATE_CON(n)	(0x100 + (n) * 4)
 #define CRU_GATE_CON(n)	(0x300 + (n) * 4)

 #define PMUCRU_RSTNHOLD_CON0	0x120
 enum {
 	PRESETN_NOC_PMU_HOLD = 1,
 	PRESETN_INTMEM_PMU_HOLD,
 	HRESETN_CM0S_PMU_HOLD,
 	HRESETN_CM0S_NOC_PMU_HOLD,
 	DRESETN_CM0S_PMU_HOLD,
 	POESETN_CM0S_PMU_HOLD,
 	PRESETN_SPI3_HOLD,
 	RESETN_SPI3_HOLD,
 	PRESETN_TIMER_PMU_0_1_HOLD,
 	RESETN_TIMER_PMU_0_HOLD,
 	RESETN_TIMER_PMU_1_HOLD,
 	PRESETN_UART_M0_PMU_HOLD,
 	RESETN_UART_M0_PMU_HOLD,
 	PRESETN_WDT_PMU_HOLD
 };

 #define PMUCRU_RSTNHOLD_CON1	0x124
 enum {
 	PRESETN_I2C0_HOLD,
 	PRESETN_I2C4_HOLD,
 	PRESETN_I2C8_HOLD,
 	PRESETN_MAILBOX_PMU_HOLD,
 	PRESETN_RKPWM_PMU_HOLD,
 	PRESETN_PMUGRF_HOLD,
 	PRESETN_SGRF_HOLD,
 	PRESETN_GPIO0_HOLD,
 	PRESETN_GPIO1_HOLD,
 	PRESETN_CRU_PMU_HOLD,
 	PRESETN_INTR_ARB_HOLD,
 	PRESETN_PVTM_PMU_HOLD,
 	RESETN_I2C0_HOLD,
 	RESETN_I2C4_HOLD,
 	RESETN_I2C8_HOLD
 };

 enum plls_id {
 	ALPLL_ID = 0,
 	ABPLL_ID,
 	DPLL_ID,
 	CPLL_ID,
 	GPLL_ID,
 	NPLL_ID,
 	VPLL_ID,
 	PPLL_ID,
 	END_PLL_ID,
 };

 #define CLST_L_CPUS_MSK (0xf)
 #define CLST_B_CPUS_MSK (0x3)

 enum pll_work_mode {
 	SLOW_MODE = 0x00,
 	NORMAL_MODE = 0x01,
 	DEEP_SLOW_MODE = 0x02,
 };

 enum glb_sft_reset {
 	PMU_RST_BY_FIRST_SFT,
 	PMU_RST_BY_SECOND_SFT = BIT(2),
 	PMU_RST_NOT_BY_SFT = BIT(3),
 };

 struct pll_div {
 	uint32_t mhz;
 	uint32_t refdiv;
 	uint32_t fbdiv;
 	uint32_t postdiv1;
 	uint32_t postdiv2;
 	uint32_t frac;
 	uint32_t freq;
 };

 struct deepsleep_data_s {
 	uint32_t plls_con[END_PLL_ID][PLL_CON_COUNT];
 	uint32_t cru_gate_con[CRU_GATE_COUNT];
 	uint32_t pmucru_gate_con[PMUCRU_GATE_COUNT];
 	uint32_t pmucru_rstnhold_con0;
 	uint32_t pmucru_rstnhold_con1;
 };

 /**************************************************
  * pmugrf reg, offset
  **************************************************/
 #define PMUGRF_OSREG(n)		(0x300 + (n) * 4)

 /**************************************************
  * DCF reg, offset
  **************************************************/
 #define DCF_DCF_CTRL		0x0
 #define DCF_DCF_ADDR		0x8
 #define DCF_DCF_ISR		0xc
 #define DCF_DCF_TOSET		0x14
 #define DCF_DCF_TOCMD		0x18
 #define DCF_DCF_CMD_CFG		0x1c

 /* DCF_DCF_ISR */
 #define DCF_TIMEOUT		(1 << 2)
 #define DCF_ERR			(1 << 1)
 #define	DCF_DONE		(1 << 0)

 /* DCF_DCF_CTRL */
 #define DCF_VOP_HW_EN		(1 << 2)
 #define DCF_STOP		(1 << 1)
 #define DCF_START		(1 << 0)

 #define CYCL_24M_CNT_US(us)	(24 * us)
 #define CYCL_24M_CNT_MS(ms)	(ms * CYCL_24M_CNT_US(1000))
 #define CYCL_32K_CNT_MS(ms)	(ms * 32)

 /**************************************************
  * cru reg, offset
  **************************************************/
 #define CRU_SOFTRST_CON(n)	(0x400 + (n) * 4)

 #define CRU_DMAC0_RST		BIT_WITH_WMSK(3)
  /* reset release*/
 #define CRU_DMAC0_RST_RLS	WMSK_BIT(3)

 #define CRU_DMAC1_RST		BIT_WITH_WMSK(4)
  /* reset release*/
 #define CRU_DMAC1_RST_RLS	WMSK_BIT(4)

 #define CRU_GLB_RST_CON		0x0510
 #define CRU_GLB_SRST_FST	0x0500
 #define CRU_GLB_SRST_SND	0x0504

 #define CRU_CLKGATE_CON(n)	(0x300 + n * 4)
 #define PCLK_GPIO2_GATE_SHIFT	3
 #define PCLK_GPIO3_GATE_SHIFT	4
 #define PCLK_GPIO4_GATE_SHIFT	5

 /**************************************************
  * pmu cru reg, offset
  **************************************************/
 #define CRU_PMU_RSTHOLD_CON(n)		(0x120 + n * 4)
 /* reset hold*/
 #define CRU_PMU_SGRF_RST_HOLD		BIT_WITH_WMSK(6)
 /* reset hold release*/
 #define CRU_PMU_SGRF_RST_RLS		WMSK_BIT(6)

 #define CRU_PMU_WDTRST_MSK		(0x1 << 4)
 #define CRU_PMU_WDTRST_EN		0x0

 #define CRU_PMU_FIRST_SFTRST_MSK	(0x3 << 2)
 #define CRU_PMU_FIRST_SFTRST_EN		0x0

 #define CRU_PMU_CLKGATE_CON(n)		(0x100 + n * 4)
 #define PCLK_GPIO0_GATE_SHIFT		3
 #define PCLK_GPIO1_GATE_SHIFT		4

 #define CPU_BOOT_ADDR_WMASK	0xffff0000
 #define CPU_BOOT_ADDR_ALIGN	16

 #define GRF_IOMUX_2BIT_MASK     0x3
 #define GRF_IOMUX_GPIO          0x0

 #define GRF_GPIO4C2_IOMUX_SHIFT         4
 #define GRF_GPIO4C2_IOMUX_PWM           0x1
 #define GRF_GPIO4C6_IOMUX_SHIFT         12
 #define GRF_GPIO4C6_IOMUX_PWM           0x1

 #define PWM_CNT(n)			(0x0000 + 0x10 * (n))
 #define PWM_PERIOD_HPR(n)		(0x0004 + 0x10 * (n))
 #define PWM_DUTY_LPR(n)			(0x0008 + 0x10 * (n))
 #define PWM_CTRL(n)			(0x000c + 0x10 * (n))

 #define PWM_DISABLE			(0 << 0)
 #define PWM_ENABLE			(1 << 0)

 /* grf reg offset */
 #define GRF_USBPHY0_CTRL0	0x4480
 #define GRF_USBPHY0_CTRL2	0x4488
 #define GRF_USBPHY0_CTRL3	0x448c
 #define GRF_USBPHY0_CTRL12	0x44b0
 #define GRF_USBPHY0_CTRL13	0x44b4
 #define GRF_USBPHY0_CTRL15	0x44bc
 #define GRF_USBPHY0_CTRL16	0x44c0

 #define GRF_USBPHY1_CTRL0	0x4500
 #define GRF_USBPHY1_CTRL2	0x4508
 #define GRF_USBPHY1_CTRL3	0x450c
 #define GRF_USBPHY1_CTRL12	0x4530
 #define GRF_USBPHY1_CTRL13	0x4534
 #define GRF_USBPHY1_CTRL15	0x453c
 #define GRF_USBPHY1_CTRL16	0x4540

 #define GRF_GPIO2A_IOMUX	0xe000
 #define GRF_GPIO2D_HE		0xe18c
 #define GRF_DDRC0_CON0		0xe380
 #define GRF_DDRC0_CON1		0xe384
 #define GRF_DDRC1_CON0		0xe388
 #define GRF_DDRC1_CON1		0xe38c
 #define GRF_SOC_CON_BASE	0xe200
 #define GRF_SOC_CON(n)		(GRF_SOC_CON_BASE + (n) * 4)
 #define GRF_IO_VSEL		0xe640

 #define CRU_CLKSEL_CON0		0x0100
 #define CRU_CLKSEL_CON6		0x0118
 #define CRU_SDIO0_CON1		0x058c
 #define PMUCRU_CLKSEL_CON0	0x0080
 #define PMUCRU_CLKGATE_CON2	0x0108
 #define PMUCRU_SOFTRST_CON0	0x0110
 #define PMUCRU_GATEDIS_CON0 0x0130
 #define PMUCRU_SOFTRST_CON(n)   (PMUCRU_SOFTRST_CON0 + (n) * 4)

 /*
  * When system reset in running state, we want the cpus to be reboot
  * from maskrom (system reboot),
  * the pmusgrf reset-hold bits needs to be released.
  * When system wake up from system deep suspend, some soc will be reset
  * when waked up,
  * we want the bootcpu to be reboot from pmusram,
  * the pmusgrf reset-hold bits needs to be held.
  */
 static inline void pmu_sgrf_rst_hld_release(void)
 {
 	mmio_write_32(PMUCRU_BASE + CRU_PMU_RSTHOLD_CON(1),
 		      CRU_PMU_SGRF_RST_RLS);
 }

 static inline void pmu_sgrf_rst_hld(void)
 {
 	mmio_write_32(PMUCRU_BASE + CRU_PMU_RSTHOLD_CON(1),
 		      CRU_PMU_SGRF_RST_HOLD);
 }

 /* export related and operating SoC APIs */
 void __dead2 soc_global_soft_reset(void);
 void disable_dvfs_plls(void);
 void disable_nodvfs_plls(void);
 void enable_dvfs_plls(void);
 void enable_nodvfs_plls(void);
 void prepare_abpll_for_ddrctrl(void);
 void restore_abpll(void);
 void clk_gate_con_save(void);
 void clk_gate_con_disable(void);
 void clk_gate_con_restore(void);
 void set_pmu_rsthold(void);
 void restore_pmu_rsthold(void);
 #endif /* __SOC_H__ */
	/*
	* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
	*
	* SPDX-License-Identifier: BSD-3-Clause
	*/

	#ifndef __SOC_H__
	#define __SOC_H__

	#include <utils.h>

	#define GLB_SRST_FST_CFG_VAL 0xfdb9
	#define GLB_SRST_SND_CFG_VAL 0xeca8

	#define PMUCRU_PPLL_CON(n) ((n) * 4)
	#define CRU_PLL_CON(pll_id, n) ((pll_id) * 0x20 + (n) * 4)
	#define PLL_MODE_MSK 0x03
	#define PLL_MODE_SHIFT 0x08
	#define PLL_BYPASS_MSK 0x01
	#define PLL_BYPASS_SHIFT 0x01
	#define PLL_PWRDN_MSK 0x01
	#define PLL_PWRDN_SHIFT 0x0
	#define PLL_BYPASS BIT(1)
	#define PLL_PWRDN BIT(0)

	#define NO_PLL_BYPASS (0x00)
	#define NO_PLL_PWRDN (0x00)

	#define FBDIV(n) ((0xfff << 16) \| n)
	#define POSTDIV2(n) ((0x7 << (12 + 16)) \| (n << 12))
	#define POSTDIV1(n) ((0x7 << (8 + 16)) \| (n << 8))
	#define REFDIV(n) ((0x3F << 16) \| n)
	#define PLL_LOCK(n) ((n >> 31) & 0x1)

	#define PLL_SLOW_MODE BITS_WITH_WMASK(SLOW_MODE,\
	PLL_MODE_MSK, PLL_MODE_SHIFT)

	#define PLL_NOMAL_MODE BITS_WITH_WMASK(NORMAL_MODE,\
	PLL_MODE_MSK, PLL_MODE_SHIFT)

	#define PLL_BYPASS_MODE BIT_WITH_WMSK(PLL_BYPASS_SHIFT)
	#define PLL_NO_BYPASS_MODE WMSK_BIT(PLL_BYPASS_SHIFT)

	#define PLL_CON_COUNT 0x06
	#define CRU_CLKSEL_COUNT 108
	#define CRU_CLKSEL_CON(n) (0x100 + (n) * 4)

	#define PMUCRU_CLKSEL_CONUT 0x06
	#define PMUCRU_CLKSEL_OFFSET 0x080
	#define REG_SIZE 0x04
	#define REG_SOC_WMSK 0xffff0000
	#define CLK_GATE_MASK 0x01

	#define PMUCRU_GATE_COUNT 0x03
	#define CRU_GATE_COUNT 0x23
	#define PMUCRU_GATE_CON(n) (0x100 + (n) * 4)
	#define CRU_GATE_CON(n) (0x300 + (n) * 4)

	#define PMUCRU_RSTNHOLD_CON0 0x120
	enum {
	PRESETN_NOC_PMU_HOLD = 1,
	PRESETN_INTMEM_PMU_HOLD,
	HRESETN_CM0S_PMU_HOLD,
	HRESETN_CM0S_NOC_PMU_HOLD,
	DRESETN_CM0S_PMU_HOLD,
	POESETN_CM0S_PMU_HOLD,
	PRESETN_SPI3_HOLD,
	RESETN_SPI3_HOLD,
	PRESETN_TIMER_PMU_0_1_HOLD,
	RESETN_TIMER_PMU_0_HOLD,
	RESETN_TIMER_PMU_1_HOLD,
	PRESETN_UART_M0_PMU_HOLD,
	RESETN_UART_M0_PMU_HOLD,
	PRESETN_WDT_PMU_HOLD
	};

	#define PMUCRU_RSTNHOLD_CON1 0x124
	enum {
	PRESETN_I2C0_HOLD,
	PRESETN_I2C4_HOLD,
	PRESETN_I2C8_HOLD,
	PRESETN_MAILBOX_PMU_HOLD,
	PRESETN_RKPWM_PMU_HOLD,
	PRESETN_PMUGRF_HOLD,
	PRESETN_SGRF_HOLD,
	PRESETN_GPIO0_HOLD,
	PRESETN_GPIO1_HOLD,
	PRESETN_CRU_PMU_HOLD,
	PRESETN_INTR_ARB_HOLD,
	PRESETN_PVTM_PMU_HOLD,
	RESETN_I2C0_HOLD,
	RESETN_I2C4_HOLD,
	RESETN_I2C8_HOLD
	};

	enum plls_id {
	ALPLL_ID = 0,
	ABPLL_ID,
	DPLL_ID,
	CPLL_ID,
	GPLL_ID,
	NPLL_ID,
	VPLL_ID,
	PPLL_ID,
	END_PLL_ID,
	};

	#define CLST_L_CPUS_MSK (0xf)
	#define CLST_B_CPUS_MSK (0x3)

	enum pll_work_mode {
	SLOW_MODE = 0x00,
	NORMAL_MODE = 0x01,
	DEEP_SLOW_MODE = 0x02,
	};

	enum glb_sft_reset {
	PMU_RST_BY_FIRST_SFT,
	PMU_RST_BY_SECOND_SFT = BIT(2),
	PMU_RST_NOT_BY_SFT = BIT(3),
	};

	struct pll_div {
	uint32_t mhz;
	uint32_t refdiv;
	uint32_t fbdiv;
	uint32_t postdiv1;
	uint32_t postdiv2;
	uint32_t frac;
	uint32_t freq;
	};

	struct deepsleep_data_s {
	uint32_t plls_con[END_PLL_ID][PLL_CON_COUNT];
	uint32_t cru_gate_con[CRU_GATE_COUNT];
	uint32_t pmucru_gate_con[PMUCRU_GATE_COUNT];
	uint32_t pmucru_rstnhold_con0;
	uint32_t pmucru_rstnhold_con1;
	};

	/**************************************************
	* pmugrf reg, offset
	**************************************************/
	#define PMUGRF_OSREG(n) (0x300 + (n) * 4)

	/**************************************************
	* DCF reg, offset
	**************************************************/
	#define DCF_DCF_CTRL 0x0
	#define DCF_DCF_ADDR 0x8
	#define DCF_DCF_ISR 0xc
	#define DCF_DCF_TOSET 0x14
	#define DCF_DCF_TOCMD 0x18
	#define DCF_DCF_CMD_CFG 0x1c

	/* DCF_DCF_ISR */
	#define DCF_TIMEOUT (1 << 2)
	#define DCF_ERR (1 << 1)
	#define DCF_DONE (1 << 0)

	/* DCF_DCF_CTRL */
	#define DCF_VOP_HW_EN (1 << 2)
	#define DCF_STOP (1 << 1)
	#define DCF_START (1 << 0)

	#define CYCL_24M_CNT_US(us) (24 * us)
	#define CYCL_24M_CNT_MS(ms) (ms * CYCL_24M_CNT_US(1000))
	#define CYCL_32K_CNT_MS(ms) (ms * 32)

	/**************************************************
	* cru reg, offset
	**************************************************/
	#define CRU_SOFTRST_CON(n) (0x400 + (n) * 4)

	#define CRU_DMAC0_RST BIT_WITH_WMSK(3)
	/* reset release*/
	#define CRU_DMAC0_RST_RLS WMSK_BIT(3)

	#define CRU_DMAC1_RST BIT_WITH_WMSK(4)
	/* reset release*/
	#define CRU_DMAC1_RST_RLS WMSK_BIT(4)

	#define CRU_GLB_RST_CON 0x0510
	#define CRU_GLB_SRST_FST 0x0500
	#define CRU_GLB_SRST_SND 0x0504

	#define CRU_CLKGATE_CON(n) (0x300 + n * 4)
	#define PCLK_GPIO2_GATE_SHIFT 3
	#define PCLK_GPIO3_GATE_SHIFT 4
	#define PCLK_GPIO4_GATE_SHIFT 5

	/**************************************************
	* pmu cru reg, offset
	**************************************************/
	#define CRU_PMU_RSTHOLD_CON(n) (0x120 + n * 4)
	/* reset hold*/
	#define CRU_PMU_SGRF_RST_HOLD BIT_WITH_WMSK(6)
	/* reset hold release*/
	#define CRU_PMU_SGRF_RST_RLS WMSK_BIT(6)

	#define CRU_PMU_WDTRST_MSK (0x1 << 4)
	#define CRU_PMU_WDTRST_EN 0x0

	#define CRU_PMU_FIRST_SFTRST_MSK (0x3 << 2)
	#define CRU_PMU_FIRST_SFTRST_EN 0x0

	#define CRU_PMU_CLKGATE_CON(n) (0x100 + n * 4)
	#define PCLK_GPIO0_GATE_SHIFT 3
	#define PCLK_GPIO1_GATE_SHIFT 4

	#define CPU_BOOT_ADDR_WMASK 0xffff0000
	#define CPU_BOOT_ADDR_ALIGN 16

	#define GRF_IOMUX_2BIT_MASK 0x3
	#define GRF_IOMUX_GPIO 0x0

	#define GRF_GPIO4C2_IOMUX_SHIFT 4
	#define GRF_GPIO4C2_IOMUX_PWM 0x1
	#define GRF_GPIO4C6_IOMUX_SHIFT 12
	#define GRF_GPIO4C6_IOMUX_PWM 0x1

	#define PWM_CNT(n) (0x0000 + 0x10 * (n))
	#define PWM_PERIOD_HPR(n) (0x0004 + 0x10 * (n))
	#define PWM_DUTY_LPR(n) (0x0008 + 0x10 * (n))
	#define PWM_CTRL(n) (0x000c + 0x10 * (n))

	#define PWM_DISABLE (0 << 0)
	#define PWM_ENABLE (1 << 0)

	/* grf reg offset */
	#define GRF_USBPHY0_CTRL0 0x4480
	#define GRF_USBPHY0_CTRL2 0x4488
	#define GRF_USBPHY0_CTRL3 0x448c
	#define GRF_USBPHY0_CTRL12 0x44b0
	#define GRF_USBPHY0_CTRL13 0x44b4
	#define GRF_USBPHY0_CTRL15 0x44bc
	#define GRF_USBPHY0_CTRL16 0x44c0

	#define GRF_USBPHY1_CTRL0 0x4500
	#define GRF_USBPHY1_CTRL2 0x4508
	#define GRF_USBPHY1_CTRL3 0x450c
	#define GRF_USBPHY1_CTRL12 0x4530
	#define GRF_USBPHY1_CTRL13 0x4534
	#define GRF_USBPHY1_CTRL15 0x453c
	#define GRF_USBPHY1_CTRL16 0x4540

	#define GRF_GPIO2A_IOMUX 0xe000
	#define GRF_GPIO2D_HE 0xe18c
	#define GRF_DDRC0_CON0 0xe380
	#define GRF_DDRC0_CON1 0xe384
	#define GRF_DDRC1_CON0 0xe388
	#define GRF_DDRC1_CON1 0xe38c
	#define GRF_SOC_CON_BASE 0xe200
	#define GRF_SOC_CON(n) (GRF_SOC_CON_BASE + (n) * 4)
	#define GRF_IO_VSEL 0xe640

	#define CRU_CLKSEL_CON0 0x0100
	#define CRU_CLKSEL_CON6 0x0118
	#define CRU_SDIO0_CON1 0x058c
	#define PMUCRU_CLKSEL_CON0 0x0080
	#define PMUCRU_CLKGATE_CON2 0x0108
	#define PMUCRU_SOFTRST_CON0 0x0110
	#define PMUCRU_GATEDIS_CON0 0x0130
	#define PMUCRU_SOFTRST_CON(n) (PMUCRU_SOFTRST_CON0 + (n) * 4)

	/*
	* When system reset in running state, we want the cpus to be reboot
	* from maskrom (system reboot),
	* the pmusgrf reset-hold bits needs to be released.
	* When system wake up from system deep suspend, some soc will be reset
	* when waked up,
	* we want the bootcpu to be reboot from pmusram,
	* the pmusgrf reset-hold bits needs to be held.
	*/
	static inline void pmu_sgrf_rst_hld_release(void)
	{
	mmio_write_32(PMUCRU_BASE + CRU_PMU_RSTHOLD_CON(1),
	CRU_PMU_SGRF_RST_RLS);
	}

	static inline void pmu_sgrf_rst_hld(void)
	{
	mmio_write_32(PMUCRU_BASE + CRU_PMU_RSTHOLD_CON(1),
	CRU_PMU_SGRF_RST_HOLD);
	}

	/* export related and operating SoC APIs */
	void __dead2 soc_global_soft_reset(void);
	void disable_dvfs_plls(void);
	void disable_nodvfs_plls(void);
	void enable_dvfs_plls(void);
	void enable_nodvfs_plls(void);
	void prepare_abpll_for_ddrctrl(void);
	void restore_abpll(void);
	void clk_gate_con_save(void);
	void clk_gate_con_disable(void);
	void clk_gate_con_restore(void);
	void set_pmu_rsthold(void);
	void restore_pmu_rsthold(void);
	#endif /* __SOC_H__ */