20aee5b6d7
The local timer clock is based on ARM subsystem clock. This patch obtains a more exact value of that clock by reading PRCMU registers. Using this increases the accuracy of the local timer events. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rickard Andersson <rickard.andersson@stericsson.com> Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
253 lines
9.4 KiB
C
253 lines
9.4 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 BIT(0)
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#define PRCM_ARM_CHGCLKREQ_PRCM_ARM_DIVSEL BIT(16)
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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 PRCM_HOSTACCESS_REQ_WAKE_REQ BIT(16)
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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_PLLARM_FREQ (_PRCMU_BASE + 0x088)
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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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