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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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34fe6f107e
This patch allows to check if the other core is in WFI mode. It is the last check the idle routine has to do before entering into the retention state. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
251 lines
9.3 KiB
C
251 lines
9.3 KiB
C
/*
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* Copyright (C) STMicroelectronics 2009
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* Copyright (C) ST-Ericsson SA 2010
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*
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* Author: Kumar Sanghvi <kumar.sanghvi@stericsson.com>
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* Author: Sundar Iyer <sundar.iyer@stericsson.com>
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*
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* License Terms: GNU General Public License v2
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*
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* PRCM Unit registers
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*/
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#ifndef __DB8500_PRCMU_REGS_H
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#define __DB8500_PRCMU_REGS_H
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#include <mach/hardware.h>
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#define BITS(_start, _end) ((BIT(_end) - BIT(_start)) + BIT(_end))
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#define PRCM_CLK_MGT(_offset) (void __iomem *)(IO_ADDRESS(U8500_PRCMU_BASE) \
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+ _offset)
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#define PRCM_ACLK_MGT PRCM_CLK_MGT(0x004)
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#define PRCM_SVACLK_MGT PRCM_CLK_MGT(0x008)
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#define PRCM_SIACLK_MGT PRCM_CLK_MGT(0x00C)
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#define PRCM_SGACLK_MGT PRCM_CLK_MGT(0x014)
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#define PRCM_UARTCLK_MGT PRCM_CLK_MGT(0x018)
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#define PRCM_MSP02CLK_MGT PRCM_CLK_MGT(0x01C)
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#define PRCM_I2CCLK_MGT PRCM_CLK_MGT(0x020)
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#define PRCM_SDMMCCLK_MGT PRCM_CLK_MGT(0x024)
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#define PRCM_SLIMCLK_MGT PRCM_CLK_MGT(0x028)
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#define PRCM_PER1CLK_MGT PRCM_CLK_MGT(0x02C)
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#define PRCM_PER2CLK_MGT PRCM_CLK_MGT(0x030)
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#define PRCM_PER3CLK_MGT PRCM_CLK_MGT(0x034)
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#define PRCM_PER5CLK_MGT PRCM_CLK_MGT(0x038)
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#define PRCM_PER6CLK_MGT PRCM_CLK_MGT(0x03C)
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#define PRCM_PER7CLK_MGT PRCM_CLK_MGT(0x040)
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#define PRCM_LCDCLK_MGT PRCM_CLK_MGT(0x044)
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#define PRCM_BMLCLK_MGT PRCM_CLK_MGT(0x04C)
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#define PRCM_HSITXCLK_MGT PRCM_CLK_MGT(0x050)
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#define PRCM_HSIRXCLK_MGT PRCM_CLK_MGT(0x054)
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#define PRCM_HDMICLK_MGT PRCM_CLK_MGT(0x058)
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#define PRCM_APEATCLK_MGT PRCM_CLK_MGT(0x05C)
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#define PRCM_APETRACECLK_MGT PRCM_CLK_MGT(0x060)
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#define PRCM_MCDECLK_MGT PRCM_CLK_MGT(0x064)
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#define PRCM_IPI2CCLK_MGT PRCM_CLK_MGT(0x068)
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#define PRCM_DSIALTCLK_MGT PRCM_CLK_MGT(0x06C)
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#define PRCM_DMACLK_MGT PRCM_CLK_MGT(0x074)
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#define PRCM_B2R2CLK_MGT PRCM_CLK_MGT(0x078)
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#define PRCM_TVCLK_MGT PRCM_CLK_MGT(0x07C)
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#define PRCM_UNIPROCLK_MGT PRCM_CLK_MGT(0x278)
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#define PRCM_SSPCLK_MGT PRCM_CLK_MGT(0x280)
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#define PRCM_RNGCLK_MGT PRCM_CLK_MGT(0x284)
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#define PRCM_UICCCLK_MGT PRCM_CLK_MGT(0x27C)
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#define PRCM_MSP1CLK_MGT PRCM_CLK_MGT(0x288)
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#define PRCM_ARM_PLLDIVPS (_PRCMU_BASE + 0x118)
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#define PRCM_ARM_PLLDIVPS_ARM_BRM_RATE 0x3f
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#define PRCM_ARM_PLLDIVPS_MAX_MASK 0xf
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#define PRCM_PLLARM_LOCKP (_PRCMU_BASE + 0x0a8)
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#define PRCM_PLLARM_LOCKP_PRCM_PLLARM_LOCKP3 0x2
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#define PRCM_ARM_CHGCLKREQ (_PRCMU_BASE + 0x114)
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#define PRCM_ARM_CHGCLKREQ_PRCM_ARM_CHGCLKREQ 0x1
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#define PRCM_PLLARM_ENABLE (_PRCMU_BASE + 0x98)
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#define PRCM_PLLARM_ENABLE_PRCM_PLLARM_ENABLE 0x1
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#define PRCM_PLLARM_ENABLE_PRCM_PLLARM_COUNTON 0x100
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#define PRCM_ARMCLKFIX_MGT (_PRCMU_BASE + 0x0)
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#define PRCM_A9PL_FORCE_CLKEN (_PRCMU_BASE + 0x19C)
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#define PRCM_A9_RESETN_CLR (_PRCMU_BASE + 0x1f4)
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#define PRCM_A9_RESETN_SET (_PRCMU_BASE + 0x1f0)
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#define PRCM_ARM_LS_CLAMP (_PRCMU_BASE + 0x30c)
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#define PRCM_SRAM_A9 (_PRCMU_BASE + 0x308)
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#define PRCM_A9PL_FORCE_CLKEN_PRCM_A9PL_FORCE_CLKEN BIT(0)
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#define PRCM_A9PL_FORCE_CLKEN_PRCM_A9AXI_FORCE_CLKEN BIT(1)
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/* ARM WFI Standby signal register */
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#define PRCM_ARM_WFI_STANDBY (_PRCMU_BASE + 0x130)
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#define PRCM_ARM_WFI_STANDBY_WFI0 0x08
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#define PRCM_ARM_WFI_STANDBY_WFI1 0x10
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#define PRCM_IOCR (_PRCMU_BASE + 0x310)
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#define PRCM_IOCR_IOFORCE 0x1
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/* CPU mailbox registers */
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#define PRCM_MBOX_CPU_VAL (_PRCMU_BASE + 0x0fc)
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#define PRCM_MBOX_CPU_SET (_PRCMU_BASE + 0x100)
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#define PRCM_MBOX_CPU_CLR (_PRCMU_BASE + 0x104)
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/* Dual A9 core interrupt management unit registers */
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#define PRCM_A9_MASK_REQ (_PRCMU_BASE + 0x328)
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#define PRCM_A9_MASK_REQ_PRCM_A9_MASK_REQ 0x1
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#define PRCM_A9_MASK_ACK (_PRCMU_BASE + 0x32c)
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#define PRCM_ARMITMSK31TO0 (_PRCMU_BASE + 0x11c)
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#define PRCM_ARMITMSK63TO32 (_PRCMU_BASE + 0x120)
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#define PRCM_ARMITMSK95TO64 (_PRCMU_BASE + 0x124)
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#define PRCM_ARMITMSK127TO96 (_PRCMU_BASE + 0x128)
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#define PRCM_POWER_STATE_VAL (_PRCMU_BASE + 0x25C)
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#define PRCM_ARMITVAL31TO0 (_PRCMU_BASE + 0x260)
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#define PRCM_ARMITVAL63TO32 (_PRCMU_BASE + 0x264)
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#define PRCM_ARMITVAL95TO64 (_PRCMU_BASE + 0x268)
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#define PRCM_ARMITVAL127TO96 (_PRCMU_BASE + 0x26C)
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#define PRCM_HOSTACCESS_REQ (_PRCMU_BASE + 0x334)
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#define PRCM_HOSTACCESS_REQ_HOSTACCESS_REQ 0x1
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#define ARM_WAKEUP_MODEM 0x1
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#define PRCM_ARM_IT1_CLR (_PRCMU_BASE + 0x48C)
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#define PRCM_ARM_IT1_VAL (_PRCMU_BASE + 0x494)
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#define PRCM_HOLD_EVT (_PRCMU_BASE + 0x174)
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#define PRCM_MOD_AWAKE_STATUS (_PRCMU_BASE + 0x4A0)
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#define PRCM_MOD_AWAKE_STATUS_PRCM_MOD_COREPD_AWAKE BIT(0)
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#define PRCM_MOD_AWAKE_STATUS_PRCM_MOD_AAPD_AWAKE BIT(1)
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#define PRCM_MOD_AWAKE_STATUS_PRCM_MOD_VMODEM_OFF_ISO BIT(2)
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#define PRCM_ITSTATUS0 (_PRCMU_BASE + 0x148)
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#define PRCM_ITSTATUS1 (_PRCMU_BASE + 0x150)
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#define PRCM_ITSTATUS2 (_PRCMU_BASE + 0x158)
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#define PRCM_ITSTATUS3 (_PRCMU_BASE + 0x160)
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#define PRCM_ITSTATUS4 (_PRCMU_BASE + 0x168)
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#define PRCM_ITSTATUS5 (_PRCMU_BASE + 0x484)
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#define PRCM_ITCLEAR5 (_PRCMU_BASE + 0x488)
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#define PRCM_ARMIT_MASKXP70_IT (_PRCMU_BASE + 0x1018)
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/* System reset register */
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#define PRCM_APE_SOFTRST (_PRCMU_BASE + 0x228)
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/* Level shifter and clamp control registers */
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#define PRCM_MMIP_LS_CLAMP_SET (_PRCMU_BASE + 0x420)
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#define PRCM_MMIP_LS_CLAMP_CLR (_PRCMU_BASE + 0x424)
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#define PRCM_MMIP_LS_CLAMP_DSIPLL_CLAMP BIT(11)
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#define PRCM_MMIP_LS_CLAMP_DSIPLL_CLAMPI BIT(22)
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/* PRCMU clock/PLL/reset registers */
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#define PRCM_PLLSOC0_FREQ (_PRCMU_BASE + 0x080)
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#define PRCM_PLLSOC1_FREQ (_PRCMU_BASE + 0x084)
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#define PRCM_PLLDDR_FREQ (_PRCMU_BASE + 0x08C)
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#define PRCM_PLL_FREQ_D_SHIFT 0
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#define PRCM_PLL_FREQ_D_MASK BITS(0, 7)
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#define PRCM_PLL_FREQ_N_SHIFT 8
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#define PRCM_PLL_FREQ_N_MASK BITS(8, 13)
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#define PRCM_PLL_FREQ_R_SHIFT 16
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#define PRCM_PLL_FREQ_R_MASK BITS(16, 18)
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#define PRCM_PLL_FREQ_SELDIV2 BIT(24)
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#define PRCM_PLL_FREQ_DIV2EN BIT(25)
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#define PRCM_PLLDSI_FREQ (_PRCMU_BASE + 0x500)
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#define PRCM_PLLDSI_ENABLE (_PRCMU_BASE + 0x504)
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#define PRCM_PLLDSI_LOCKP (_PRCMU_BASE + 0x508)
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#define PRCM_DSI_PLLOUT_SEL (_PRCMU_BASE + 0x530)
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#define PRCM_DSITVCLK_DIV (_PRCMU_BASE + 0x52C)
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#define PRCM_PLLDSI_LOCKP (_PRCMU_BASE + 0x508)
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#define PRCM_APE_RESETN_SET (_PRCMU_BASE + 0x1E4)
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#define PRCM_APE_RESETN_CLR (_PRCMU_BASE + 0x1E8)
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#define PRCM_PLLDSI_ENABLE_PRCM_PLLDSI_ENABLE BIT(0)
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#define PRCM_PLLDSI_LOCKP_PRCM_PLLDSI_LOCKP10 BIT(0)
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#define PRCM_PLLDSI_LOCKP_PRCM_PLLDSI_LOCKP3 BIT(1)
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#define PRCM_DSI_PLLOUT_SEL_DSI0_PLLOUT_DIVSEL_SHIFT 0
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#define PRCM_DSI_PLLOUT_SEL_DSI0_PLLOUT_DIVSEL_MASK BITS(0, 2)
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#define PRCM_DSI_PLLOUT_SEL_DSI1_PLLOUT_DIVSEL_SHIFT 8
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#define PRCM_DSI_PLLOUT_SEL_DSI1_PLLOUT_DIVSEL_MASK BITS(8, 10)
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#define PRCM_DSI_PLLOUT_SEL_OFF 0
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#define PRCM_DSI_PLLOUT_SEL_PHI 1
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#define PRCM_DSI_PLLOUT_SEL_PHI_2 2
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#define PRCM_DSI_PLLOUT_SEL_PHI_4 3
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#define PRCM_DSITVCLK_DIV_DSI0_ESC_CLK_DIV_SHIFT 0
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#define PRCM_DSITVCLK_DIV_DSI0_ESC_CLK_DIV_MASK BITS(0, 7)
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#define PRCM_DSITVCLK_DIV_DSI1_ESC_CLK_DIV_SHIFT 8
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#define PRCM_DSITVCLK_DIV_DSI1_ESC_CLK_DIV_MASK BITS(8, 15)
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#define PRCM_DSITVCLK_DIV_DSI2_ESC_CLK_DIV_SHIFT 16
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#define PRCM_DSITVCLK_DIV_DSI2_ESC_CLK_DIV_MASK BITS(16, 23)
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#define PRCM_DSITVCLK_DIV_DSI0_ESC_CLK_EN BIT(24)
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#define PRCM_DSITVCLK_DIV_DSI1_ESC_CLK_EN BIT(25)
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#define PRCM_DSITVCLK_DIV_DSI2_ESC_CLK_EN BIT(26)
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#define PRCM_APE_RESETN_DSIPLL_RESETN BIT(14)
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#define PRCM_CLKOCR (_PRCMU_BASE + 0x1CC)
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#define PRCM_CLKOCR_CLKOUT0_REF_CLK (1 << 0)
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#define PRCM_CLKOCR_CLKOUT0_MASK BITS(0, 13)
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#define PRCM_CLKOCR_CLKOUT1_REF_CLK (1 << 16)
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#define PRCM_CLKOCR_CLKOUT1_MASK BITS(16, 29)
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/* ePOD and memory power signal control registers */
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#define PRCM_EPOD_C_SET (_PRCMU_BASE + 0x410)
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#define PRCM_SRAM_LS_SLEEP (_PRCMU_BASE + 0x304)
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/* Debug power control unit registers */
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#define PRCM_POWER_STATE_SET (_PRCMU_BASE + 0x254)
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/* Miscellaneous unit registers */
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#define PRCM_DSI_SW_RESET (_PRCMU_BASE + 0x324)
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#define PRCM_GPIOCR (_PRCMU_BASE + 0x138)
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#define PRCM_GPIOCR_DBG_STM_MOD_CMD1 0x800
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#define PRCM_GPIOCR_DBG_UARTMOD_CMD0 0x1
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/* PRCMU HW semaphore */
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#define PRCM_SEM (_PRCMU_BASE + 0x400)
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#define PRCM_SEM_PRCM_SEM BIT(0)
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#define PRCM_TCR (_PRCMU_BASE + 0x1C8)
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#define PRCM_TCR_TENSEL_MASK BITS(0, 7)
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#define PRCM_TCR_STOP_TIMERS BIT(16)
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#define PRCM_TCR_DOZE_MODE BIT(17)
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#define PRCM_CLKOCR_CLKODIV0_SHIFT 0
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#define PRCM_CLKOCR_CLKODIV0_MASK BITS(0, 5)
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#define PRCM_CLKOCR_CLKOSEL0_SHIFT 6
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#define PRCM_CLKOCR_CLKOSEL0_MASK BITS(6, 8)
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#define PRCM_CLKOCR_CLKODIV1_SHIFT 16
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#define PRCM_CLKOCR_CLKODIV1_MASK BITS(16, 21)
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#define PRCM_CLKOCR_CLKOSEL1_SHIFT 22
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#define PRCM_CLKOCR_CLKOSEL1_MASK BITS(22, 24)
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#define PRCM_CLKOCR_CLK1TYPE BIT(28)
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#define PRCM_CLK_MGT_CLKPLLDIV_MASK BITS(0, 4)
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#define PRCM_CLK_MGT_CLKPLLSW_SOC0 BIT(5)
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#define PRCM_CLK_MGT_CLKPLLSW_SOC1 BIT(6)
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#define PRCM_CLK_MGT_CLKPLLSW_DDR BIT(7)
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#define PRCM_CLK_MGT_CLKPLLSW_MASK BITS(5, 7)
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#define PRCM_CLK_MGT_CLKEN BIT(8)
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#define PRCM_CLK_MGT_CLK38 BIT(9)
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#define PRCM_CLK_MGT_CLK38DIV BIT(11)
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#define PRCM_SGACLK_MGT_SGACLKDIV_BY_2_5_EN BIT(12)
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/* GPIOCR register */
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#define PRCM_GPIOCR_SPI2_SELECT BIT(23)
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#define PRCM_DDR_SUBSYS_APE_MINBW (_PRCMU_BASE + 0x438)
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#define PRCM_CGATING_BYPASS (_PRCMU_BASE + 0x134)
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#define PRCM_CGATING_BYPASS_ICN2 BIT(6)
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/* Miscellaneous unit registers */
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#define PRCM_RESOUTN_SET (_PRCMU_BASE + 0x214)
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#define PRCM_RESOUTN_CLR (_PRCMU_BASE + 0x218)
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/* System reset register */
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#define PRCM_APE_SOFTRST (_PRCMU_BASE + 0x228)
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#endif /* __DB8500_PRCMU_REGS_H */
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