| Message ID | 1766207.4fDF5lWye9@amdc1032 (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Bartlomiej, > -----Original Message----- > From: Bartlomiej Zolnierkiewicz [mailto:b.zolnierkie@samsung.com] > Sent: Tuesday, October 07, 2014 6:26 PM > To: Kukjin Kim > Cc: Chanwoo Choi; Kyungmin Park; Tomasz Figa; Pankaj Dubey; Vikas Sajjan; linux- > samsung-soc@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux- > kernel@vger.kernel.org > Subject: [PATCH v3] ARM: EXYNOS: add Exynos3250 PMU support > > This is needed for suspend/resume and cpuidle AFTR mode support. > > Cc: Pankaj Dubey <pankaj.dubey@samsung.com> > Cc: Vikas Sajjan <vikas.sajjan@samsung.com> > Acked-by: Kyungmin Park <kyungmin.park@samsung.com> > Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> > --- > v3: > - rebased on top of for-next branch of linux-samsung.git and > [PATCH v7] mfd: syscon: Decouple syscon interface from platform devices > (https://lkml.org/lkml/2014/9/30/156) > [PATCH v9 0/2] ARM: Exynos: Convert PMU implementation into a platform > driver > (https://lkml.org/lkml/2014/10/6/89) > [PATCH v9 0/2] Adds PMU and S2R support for exynos5420 > (http://www.spinics.net/lists/arm-kernel/msg368207.html) > > v2: > - rebased on top of next-20140708 and > http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg32410.html > http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg33660.html > http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg33675.html > > this patch also applies fine after/before Exynos5800 PMU support: > http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg33835.html > > arch/arm/mach-exynos/pmu.c | 173 > ++++++++++++++++++++++++++++++++++++++++ > arch/arm/mach-exynos/regs-pmu.h | 129 > ++++++++++++++++++++++++++++++ > 2 files changed, 302 insertions(+) > > diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c index > 98824bc..3bd1038 100644 > --- a/arch/arm/mach-exynos/pmu.c > +++ b/arch/arm/mach-exynos/pmu.c > @@ -31,6 +31,7 @@ struct exynos_pmu_data { > > void (*pmu_init)(void); > void (*powerdown_conf)(enum sys_powerdown); > + void (*powerdown_conf_extra)(enum sys_powerdown); > }; > > struct exynos_pmu_context { > @@ -51,6 +52,98 @@ static inline u32 pmu_raw_readl(u32 offset) > return readl_relaxed(pmu_base_addr + offset); } > > +static struct exynos_pmu_conf exynos3250_pmu_config[] = { > + /* { .offset = offset, .val = { AFTR, W-AFTR, SLEEP } */ > + { EXYNOS3_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x2} > }, > + { EXYNOS3_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { > 0x0, 0x0, 0x0} }, > + { EXYNOS3_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG,{ > 0x0, 0x0, 0x0} }, > + { EXYNOS3_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x2} > }, > + { EXYNOS3_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { > 0x0, 0x0, 0x0} }, > + { EXYNOS3_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG,{ > 0x0, 0x0, 0x0} }, > + { EXYNOS3_ARM_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x2} > }, > + { EXYNOS3_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG, { > 0x0, 0x0, 0x0} }, > + { EXYNOS3_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG,{ > 0x0, 0x0, 0x0} }, > + { EXYNOS3_ARM_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x2} > }, > + { EXYNOS3_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG, { > 0x0, 0x0, 0x0} }, > + { EXYNOS3_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG,{ > 0x0, 0x0, 0x0} }, CORE2 and CORE3, registers I can't see in manual (rev 0.1). Also from DT I can see dual core SoC support, so do we really need these? > + { EXYNOS3_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} > }, > + { EXYNOS3_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x0, > 0x0, 0x0} }, > + { EXYNOS3_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { > 0x0, 0x0, 0x0} }, > + { EXYNOS3_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} > }, > + { EXYNOS3_ARM_L2_SYS_PWR_REG, { 0x0, 0x0, 0x3} > }, > + { EXYNOS3_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, > 0x1, 0x1} }, > + { EXYNOS3_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, > 0x1, 0x1} }, > + { EXYNOS3_LPDDR_PHY_DLL_LOCK_SYS_PWR_REG, { 0x1, > 0x1, 0x1} }, > + { EXYNOS3_CMU_ACLKSTOP_COREBLK_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_SCLKSTOP_COREBLK_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_RESET_COREBLK_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} > }, > + { EXYNOS3_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} > }, > + { EXYNOS3_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} > }, > + { EXYNOS3_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} > }, > + { EXYNOS3_UPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x1} > }, > + { EXYNOS3_EPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_CLKSTOP_CAM_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_CLKSTOP_LCD0_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_CLKSTOP_MAUDIO_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_RESET_CAM_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_RESET_MFC_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_RESET_G3D_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_RESET_LCD0_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_RESET_ISP_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_CMU_RESET_MAUDIO_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { EXYNOS3_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} > }, > + { EXYNOS3_TOP_RETENTION_SYS_PWR_REG, { 0x1, > 0x1, 0x1} }, > + { EXYNOS3_TOP_PWR_SYS_PWR_REG, { 0x3, > 0x3, 0x3} }, > + { EXYNOS3_TOP_BUS_COREBLK_SYS_PWR_REG, { 0x3, > 0x0, 0x0} }, > + { EXYNOS3_TOP_RETENTION_COREBLK_SYS_PWR_REG, { > 0x1, 0x1, 0x1} }, > + { EXYNOS3_TOP_PWR_COREBLK_SYS_PWR_REG, { 0x3, > 0x3, 0x3} }, > + { EXYNOS3_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x1, 0x1} > }, > + { EXYNOS3_LOGIC_RESET_COREBLK_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_OSCCLK_GATE_COREBLK_SYS_PWR_REG, { 0x1, > 0x0, 0x1} }, > + { EXYNOS3_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_MAUDIO_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_GPIO_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_MMC0_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_MMC1_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_MMC2_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_RETENTION_JTAG_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_ISOLATION_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_EXT_REGULATOR_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_EXT_REGULATOR_COREBLK_SYS_PWR_REG, { > 0x1, 0x1, 0x0} }, > + { EXYNOS3_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_GPIO_MODE_MAUDIO_SYS_PWR_REG, { > 0x1, 0x1, 0x0} }, > + { EXYNOS3_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} > }, > + { EXYNOS3_TOP_ASB_RESET_COREBLK_SYS_PWR_REG, { 0x1, > 0x1, 0x0} }, > + { EXYNOS3_TOP_ASB_ISOLATION_COREBLK_SYS_PWR_REG,{ > 0x1, 0x1, 0x0} }, > + { EXYNOS3_CAM_SYS_PWR_REG, { 0x7, 0x0, 0x0} > }, > + { EXYNOS3_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} > }, > + { EXYNOS3_G3D_SYS_PWR_REG, { 0x7, 0x7, 0x0} > }, > + { EXYNOS3_LCD0_SYS_PWR_REG, { 0x7, 0x7, 0x0} > }, > + { EXYNOS3_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, From manual I can see CAM/MFC/G3D/LCD0_SYS_PWR_REG has values as {0x7, 0x0, 0x0} but you have done different settings for G3D and LCD0 any specific reason? > + { EXYNOS3_MAUDIO_SYS_PWR_REG, { 0x7, 0x0, 0x0} > }, > + { EXYNOS3_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x1, > 0x0, 0x0} }, > + { PMU_TABLE_END,}, > +}; > + > static const struct exynos_pmu_conf exynos4210_pmu_config[] = { > /* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ > { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, > @@ -495,6 +588,43 @@ static struct exynos_pmu_conf exynos5420_pmu_config[] > = { > { PMU_TABLE_END,}, > }; > > +static unsigned int const exynos3250_list_feed[] = { > + EXYNOS3_ARM_CORE_OPTION(0), > + EXYNOS3_ARM_CORE_OPTION(1), > + EXYNOS3_ARM_CORE_OPTION(2), > + EXYNOS3_ARM_CORE_OPTION(3), > + EXYNOS3_ARM_COMMON_OPTION, > + EXYNOS3_TOP_PWR_OPTION, > + EXYNOS3_CORE_TOP_PWR_OPTION, > + S5P_CAM_OPTION, > + S5P_MFC_OPTION, > + S5P_G3D_OPTION, > + S5P_LCD0_OPTION, > + S5P_ISP_OPTION, > +}; > + > +static void exynos3250_powerdown_conf_extra(enum sys_powerdown mode) { > + unsigned int i; > + unsigned int tmp; > + > + /* Enable only SC_FEEDBACK */ > + for (i = 0; i < ARRAY_SIZE(exynos3250_list_feed); i++) { > + tmp = pmu_raw_readl(exynos3250_list_feed[i]); > + tmp &= ~(EXYNOS3_OPTION_USE_SC_COUNTER); > + tmp |= EXYNOS3_OPTION_USE_SC_FEEDBACK; > + pmu_raw_writel(tmp, exynos3250_list_feed[i]); > + } > + > + if (mode != SYS_SLEEP) > + return; > + > + pmu_raw_writel(0x00000BB8, EXYNOS3_XUSBXTI_DURATION); > + pmu_raw_writel(0x00000BB8, EXYNOS3_XXTI_DURATION); > + pmu_raw_writel(0x00001D4C, > EXYNOS3_EXT_REGULATOR_DURATION); > + pmu_raw_writel(0x00001D4C, > EXYNOS3_EXT_REGULATOR_COREBLK_DURATION); Isn't it better to use some sort of meaningful macros for these hard coded values? > +} > + > static unsigned int const exynos5_list_both_cnt_feed[] = { > EXYNOS5_ARM_CORE0_OPTION, > EXYNOS5_ARM_CORE1_OPTION, > @@ -632,6 +762,9 @@ void exynos_sys_powerdown_conf(enum sys_powerdown > mode) > pmu_data->pmu_config[i].offset); > } > > + if (pmu_data->powerdown_conf_extra) > + pmu_data->powerdown_conf_extra(mode); > + > if (pmu_data->pmu_config_extra) { > for (i = 0; pmu_data->pmu_config_extra[i].offset != > PMU_TABLE_END; i++) > pmu_raw_writel(pmu_data->pmu_config_extra[i].val[mode], > @@ -639,6 +772,37 @@ void exynos_sys_powerdown_conf(enum sys_powerdown > mode) > } > } > > +static void exynos3250_pmu_init(void) > +{ > + unsigned int value; > + > + /* > + * To prevent form issuing new bus request form L2 memory system > + * If core status is power down, should be set '1' to L2 power down > + */ > + value = pmu_raw_readl(EXYNOS3_ARM_COMMON_OPTION); > + value |= > EXYNOS3_OPTION_SKIP_DEACTIVATE_ACEACP_IN_PWDN; > + pmu_raw_writel(value, EXYNOS3_ARM_COMMON_OPTION); > + > + /* Enable USE_STANDBY_WFI for all CORE */ > + pmu_raw_writel(S5P_USE_STANDBY_WFI_ALL, > S5P_CENTRAL_SEQ_OPTION); > + > + /* > + * Set PSHOLD port for ouput high > + */ > + value = pmu_raw_readl(S5P_PS_HOLD_CONTROL); > + value |= S5P_PS_HOLD_OUTPUT_HIGH; > + pmu_raw_writel(value, S5P_PS_HOLD_CONTROL); Nit: you can give one blank line here. > + /* > + * Enable signal for PSHOLD port > + */ > + value = pmu_raw_readl(S5P_PS_HOLD_CONTROL); > + value |= S5P_PS_HOLD_EN; > + pmu_raw_writel(value, S5P_PS_HOLD_CONTROL); > + > + pr_info("EXYNOS3250 PMU Initialize\n"); } Just for consistency with other SoC's pmu init we can drop this pr_info. Thanks, Pankaj Dubey > + > static void exynos5250_pmu_init(void) > { > unsigned int value; > @@ -717,6 +881,12 @@ static void exynos5420_pmu_init(void) } > > > +static const struct exynos_pmu_data exynos3250_pmu_data = { > + .pmu_config = exynos3250_pmu_config, > + .pmu_init = exynos3250_pmu_init, > + .powerdown_conf_extra = exynos3250_powerdown_conf_extra, > +}; > + > static const struct exynos_pmu_data exynos4210_pmu_data = { > .pmu_config = exynos4210_pmu_config, > }; > @@ -747,6 +917,9 @@ static struct exynos_pmu_data exynos5420_pmu_data = { > */ > static const struct of_device_id exynos_pmu_of_device_ids[] = { > { > + .compatible = "samsung,exynos3250-pmu", > + .data = &exynos3250_pmu_data, > + }, { > .compatible = "samsung,exynos4210-pmu", > .data = &exynos4210_pmu_data, > }, { > diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs- > pmu.h index 46b973b..130f3e1 100644 > --- a/arch/arm/mach-exynos/regs-pmu.h > +++ b/arch/arm/mach-exynos/regs-pmu.h > @@ -19,7 +19,20 @@ > #define S5P_CENTRAL_SEQ_OPTION 0x0208 > > #define S5P_USE_STANDBY_WFI0 (1 << 16) > +#define S5P_USE_STANDBY_WFI1 (1 << 17) > +#define S5P_USE_STANDBY_WFI2 (1 << 19) > +#define S5P_USE_STANDBY_WFI3 (1 << 20) > #define S5P_USE_STANDBY_WFE0 (1 << 24) > +#define S5P_USE_STANDBY_WFE1 (1 << 25) > +#define S5P_USE_STANDBY_WFE2 (1 << 27) > +#define S5P_USE_STANDBY_WFE3 (1 << 28) > + > +#define S5P_USE_STANDBY_WFI_ALL \ > + (S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFI1 | \ > + S5P_USE_STANDBY_WFI2 | S5P_USE_STANDBY_WFI3 | \ > + S5P_USE_STANDBY_WFE0 | S5P_USE_STANDBY_WFE1 | \ > + S5P_USE_STANDBY_WFE2 | S5P_USE_STANDBY_WFE3) > + > #define S5P_USE_DELAYED_RESET_ASSERTION BIT(12) > > #define EXYNOS_CORE_PO_RESET(n) ((1 << 4) << n) > @@ -154,6 +167,17 @@ > #define S5P_PAD_RET_EBIA_OPTION 0x3188 > #define S5P_PAD_RET_EBIB_OPTION 0x31A8 > > +#define S5P_PS_HOLD_CONTROL 0x330C > +#define S5P_PS_HOLD_EN (1 << 31) > +#define S5P_PS_HOLD_OUTPUT_HIGH (3 << 8) > + > +#define S5P_CAM_OPTION 0x3C08 > +#define S5P_MFC_OPTION 0x3C48 > +#define S5P_G3D_OPTION 0x3C68 > +#define S5P_LCD0_OPTION 0x3C88 > +#define S5P_LCD1_OPTION 0x3CA8 > +#define S5P_ISP_OPTION S5P_LCD1_OPTION > + > #define S5P_CORE_LOCAL_PWR_EN 0x3 > #define S5P_CORE_WAKEUP_FROM_LOCAL_CFG (0x3 << 8) > > @@ -214,6 +238,111 @@ > #define S5P_DIS_IRQ_CORE3 0x1034 > #define S5P_DIS_IRQ_CENTRAL3 0x1038 > > +/* Only for EXYNOS3XXX */ > +#define EXYNOS3_ARM_CORE0_SYS_PWR_REG 0x1000 > +#define EXYNOS3_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG > 0x1004 > +#define EXYNOS3_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG > 0x1008 > +#define EXYNOS3_ARM_CORE1_SYS_PWR_REG 0x1010 > +#define EXYNOS3_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG > 0x1014 > +#define EXYNOS3_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG > 0x1018 > +#define EXYNOS3_ARM_CORE2_SYS_PWR_REG 0x1020 > +#define EXYNOS3_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG > 0x1024 > +#define EXYNOS3_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG > 0x1028 > +#define EXYNOS3_ARM_CORE3_SYS_PWR_REG 0x1030 > +#define EXYNOS3_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG > 0x1034 > +#define EXYNOS3_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG > 0x1038 > +#define EXYNOS3_ISP_ARM_SYS_PWR_REG 0x1050 > +#define EXYNOS3_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG 0x1054 > +#define EXYNOS3_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG > 0x1058 > +#define EXYNOS3_ARM_COMMON_SYS_PWR_REG 0x1080 > +#define EXYNOS3_ARM_L2_SYS_PWR_REG 0x10C0 > +#define EXYNOS3_CMU_ACLKSTOP_SYS_PWR_REG 0x1100 > +#define EXYNOS3_CMU_SCLKSTOP_SYS_PWR_REG 0x1104 > +#define EXYNOS3_CMU_RESET_SYS_PWR_REG 0x110C > +#define EXYNOS3_CMU_ACLKSTOP_COREBLK_SYS_PWR_REG 0x1110 > +#define EXYNOS3_CMU_SCLKSTOP_COREBLK_SYS_PWR_REG 0x1114 > +#define EXYNOS3_CMU_RESET_COREBLK_SYS_PWR_REG > 0x111C > +#define EXYNOS3_APLL_SYSCLK_SYS_PWR_REG 0x1120 > +#define EXYNOS3_MPLL_SYSCLK_SYS_PWR_REG 0x1124 > +#define EXYNOS3_VPLL_SYSCLK_SYS_PWR_REG 0x1128 > +#define EXYNOS3_EPLL_SYSCLK_SYS_PWR_REG 0x112C > +#define EXYNOS3_MPLLUSER_SYSCLK_SYS_PWR_REG 0x1130 > +#define EXYNOS3_BPLLUSER_SYSCLK_SYS_PWR_REG 0x1134 > +#define EXYNOS3_EPLLUSER_SYSCLK_SYS_PWR_REG 0x1138 > +#define EXYNOS3_CMU_CLKSTOP_CAM_SYS_PWR_REG 0x1140 > +#define EXYNOS3_CMU_CLKSTOP_MFC_SYS_PWR_REG 0x1148 > +#define EXYNOS3_CMU_CLKSTOP_G3D_SYS_PWR_REG 0x114C > +#define EXYNOS3_CMU_CLKSTOP_LCD0_SYS_PWR_REG 0x1150 > +#define EXYNOS3_CMU_CLKSTOP_ISP_SYS_PWR_REG 0x1154 > +#define EXYNOS3_CMU_CLKSTOP_MAUDIO_SYS_PWR_REG > 0x1158 > +#define EXYNOS3_CMU_RESET_CAM_SYS_PWR_REG 0x1160 > +#define EXYNOS3_CMU_RESET_MFC_SYS_PWR_REG 0x1168 > +#define EXYNOS3_CMU_RESET_G3D_SYS_PWR_REG 0x116C > +#define EXYNOS3_CMU_RESET_LCD0_SYS_PWR_REG 0x1170 > +#define EXYNOS3_CMU_RESET_ISP_SYS_PWR_REG 0x1174 > +#define EXYNOS3_CMU_RESET_MAUDIO_SYS_PWR_REG 0x1178 > +#define EXYNOS3_TOP_BUS_SYS_PWR_REG 0x1180 > +#define EXYNOS3_TOP_RETENTION_SYS_PWR_REG 0x1184 > +#define EXYNOS3_TOP_PWR_SYS_PWR_REG 0x1188 > +#define EXYNOS3_TOP_BUS_COREBLK_SYS_PWR_REG 0x1190 > +#define EXYNOS3_TOP_RETENTION_COREBLK_SYS_PWR_REG > 0x1194 > +#define EXYNOS3_TOP_PWR_COREBLK_SYS_PWR_REG 0x1198 > +#define EXYNOS3_LOGIC_RESET_SYS_PWR_REG 0x11A0 > +#define EXYNOS3_OSCCLK_GATE_SYS_PWR_REG 0x11A4 > +#define EXYNOS3_LOGIC_RESET_COREBLK_SYS_PWR_REG > 0x11B0 > +#define EXYNOS3_OSCCLK_GATE_COREBLK_SYS_PWR_REG > 0x11B4 > +#define EXYNOS3_PAD_RETENTION_DRAM_SYS_PWR_REG > 0x1200 > +#define EXYNOS3_PAD_RETENTION_MAUDIO_SYS_PWR_REG 0x1204 > +#define EXYNOS3_PAD_RETENTION_SPI_SYS_PWR_REG 0x1208 > +#define EXYNOS3_PAD_RETENTION_MMC2_SYS_PWR_REG > 0x1218 > +#define EXYNOS3_PAD_RETENTION_GPIO_SYS_PWR_REG > 0x1220 > +#define EXYNOS3_PAD_RETENTION_UART_SYS_PWR_REG > 0x1224 > +#define EXYNOS3_PAD_RETENTION_MMC0_SYS_PWR_REG > 0x1228 > +#define EXYNOS3_PAD_RETENTION_MMC1_SYS_PWR_REG > 0x122C > +#define EXYNOS3_PAD_RETENTION_EBIA_SYS_PWR_REG > 0x1230 > +#define EXYNOS3_PAD_RETENTION_EBIB_SYS_PWR_REG > 0x1234 > +#define EXYNOS3_PAD_RETENTION_JTAG_SYS_PWR_REG > 0x1238 > +#define EXYNOS3_PAD_ISOLATION_SYS_PWR_REG 0x1240 > +#define EXYNOS3_PAD_ALV_SEL_SYS_PWR_REG 0x1260 > +#define EXYNOS3_XUSBXTI_SYS_PWR_REG 0x1280 > +#define EXYNOS3_XXTI_SYS_PWR_REG 0x1284 > +#define EXYNOS3_EXT_REGULATOR_SYS_PWR_REG 0x12C0 > +#define EXYNOS3_EXT_REGULATOR_COREBLK_SYS_PWR_REG > 0x12C4 > +#define EXYNOS3_GPIO_MODE_SYS_PWR_REG 0x1300 > +#define EXYNOS3_GPIO_MODE_MAUDIO_SYS_PWR_REG > 0x1340 > +#define EXYNOS3_TOP_ASB_RESET_SYS_PWR_REG 0x1344 > +#define EXYNOS3_TOP_ASB_ISOLATION_SYS_PWR_REG 0x1348 > +#define EXYNOS3_TOP_ASB_RESET_COREBLK_SYS_PWR_REG 0x1350 > +#define EXYNOS3_TOP_ASB_ISOLATION_COREBLK_SYS_PWR_REG > 0x1354 > +#define EXYNOS3_CAM_SYS_PWR_REG 0x1380 > +#define EXYNOS3_MFC_SYS_PWR_REG 0x1388 > +#define EXYNOS3_G3D_SYS_PWR_REG 0x138C > +#define EXYNOS3_LCD0_SYS_PWR_REG 0x1390 > +#define EXYNOS3_ISP_SYS_PWR_REG 0x1394 > +#define EXYNOS3_MAUDIO_SYS_PWR_REG 0x1398 > +#define EXYNOS3_DRAM_FREQ_DOWN_SYS_PWR_REG 0x13B0 > +#define EXYNOS3_DDRPHY_DLLOFF_SYS_PWR_REG 0x13B4 > +#define EXYNOS3_CMU_SYSCLK_ISP_SYS_PWR_REG 0x13B8 > +#define EXYNOS3_LPDDR_PHY_DLL_LOCK_SYS_PWR_REG > 0x13C0 > +#define EXYNOS3_BPLL_SYSCLK_SYS_PWR_REG 0x13C4 > +#define EXYNOS3_UPLL_SYSCLK_SYS_PWR_REG 0x13C8 > + > +#define EXYNOS3_ARM_CORE0_OPTION 0x2008 > +#define EXYNOS3_ARM_CORE_OPTION(_nr) > (EXYNOS3_ARM_CORE0_OPTION + ((_nr) * 0x80)) > + > +#define EXYNOS3_ARM_COMMON_OPTION 0x2408 > +#define EXYNOS3_TOP_PWR_OPTION 0x2C48 > +#define EXYNOS3_CORE_TOP_PWR_OPTION 0x2CA8 > +#define EXYNOS3_XUSBXTI_DURATION 0x341C > +#define EXYNOS3_XXTI_DURATION 0x343C > +#define EXYNOS3_EXT_REGULATOR_DURATION 0x361C > +#define EXYNOS3_EXT_REGULATOR_COREBLK_DURATION > 0x363C > + > +/* for XXX_OPTION */ > +#define EXYNOS3_OPTION_USE_SC_COUNTER (1 << 0) > +#define EXYNOS3_OPTION_USE_SC_FEEDBACK (1 << 1) > +#define EXYNOS3_OPTION_SKIP_DEACTIVATE_ACEACP_IN_PWDN (1 > << 7) > + > /* For EXYNOS5 */ > > #define EXYNOS5_AUTO_WDTRESET_DISABLE > 0x0408 > -- > 1.8.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c index 98824bc..3bd1038 100644 --- a/arch/arm/mach-exynos/pmu.c +++ b/arch/arm/mach-exynos/pmu.c @@ -31,6 +31,7 @@ struct exynos_pmu_data { void (*pmu_init)(void); void (*powerdown_conf)(enum sys_powerdown); + void (*powerdown_conf_extra)(enum sys_powerdown); }; struct exynos_pmu_context { @@ -51,6 +52,98 @@ static inline u32 pmu_raw_readl(u32 offset) return readl_relaxed(pmu_base_addr + offset); } +static struct exynos_pmu_conf exynos3250_pmu_config[] = { + /* { .offset = offset, .val = { AFTR, W-AFTR, SLEEP } */ + { EXYNOS3_ARM_CORE0_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS3_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG,{ 0x0, 0x0, 0x0} }, + { EXYNOS3_ARM_CORE1_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS3_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG,{ 0x0, 0x0, 0x0} }, + { EXYNOS3_ARM_CORE2_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS3_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG,{ 0x0, 0x0, 0x0} }, + { EXYNOS3_ARM_CORE3_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS3_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG,{ 0x0, 0x0, 0x0} }, + { EXYNOS3_ISP_ARM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} }, + { EXYNOS3_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} }, + { EXYNOS3_ARM_L2_SYS_PWR_REG, { 0x0, 0x0, 0x3} }, + { EXYNOS3_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_DRAM_FREQ_DOWN_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_DDRPHY_DLLOFF_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_LPDDR_PHY_DLL_LOCK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_CMU_ACLKSTOP_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_SCLKSTOP_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_APLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_MPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_BPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_VPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_EPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_UPLL_SYSCLK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_EPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_MPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_BPLLUSER_SYSCLK_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_CAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_LCD0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_CLKSTOP_MAUDIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_CAM_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_MFC_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_G3D_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_LCD0_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_CMU_RESET_MAUDIO_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { EXYNOS3_TOP_BUS_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS3_TOP_RETENTION_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_TOP_PWR_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, + { EXYNOS3_TOP_BUS_COREBLK_SYS_PWR_REG, { 0x3, 0x0, 0x0} }, + { EXYNOS3_TOP_RETENTION_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_TOP_PWR_COREBLK_SYS_PWR_REG, { 0x3, 0x3, 0x3} }, + { EXYNOS3_LOGIC_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_OSCCLK_GATE_SYS_PWR_REG, { 0x1, 0x1, 0x1} }, + { EXYNOS3_LOGIC_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_OSCCLK_GATE_COREBLK_SYS_PWR_REG, { 0x1, 0x0, 0x1} }, + { EXYNOS3_PAD_RETENTION_DRAM_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_MAUDIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_GPIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_UART_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_MMC0_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_MMC1_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_MMC2_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_SPI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_EBIA_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_EBIB_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_RETENTION_JTAG_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_PAD_ALV_SEL_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_XUSBXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_XXTI_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_EXT_REGULATOR_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_EXT_REGULATOR_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_GPIO_MODE_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_GPIO_MODE_MAUDIO_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_TOP_ASB_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_TOP_ASB_ISOLATION_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_TOP_ASB_RESET_COREBLK_SYS_PWR_REG, { 0x1, 0x1, 0x0} }, + { EXYNOS3_TOP_ASB_ISOLATION_COREBLK_SYS_PWR_REG,{ 0x1, 0x1, 0x0} }, + { EXYNOS3_CAM_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_MFC_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_G3D_SYS_PWR_REG, { 0x7, 0x7, 0x0} }, + { EXYNOS3_LCD0_SYS_PWR_REG, { 0x7, 0x7, 0x0} }, + { EXYNOS3_ISP_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_MAUDIO_SYS_PWR_REG, { 0x7, 0x0, 0x0} }, + { EXYNOS3_CMU_SYSCLK_ISP_SYS_PWR_REG, { 0x1, 0x0, 0x0} }, + { PMU_TABLE_END,}, +}; + static const struct exynos_pmu_conf exynos4210_pmu_config[] = { /* { .offset = offset, .val = { AFTR, LPA, SLEEP } */ { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, @@ -495,6 +588,43 @@ static struct exynos_pmu_conf exynos5420_pmu_config[] = { { PMU_TABLE_END,}, }; +static unsigned int const exynos3250_list_feed[] = { + EXYNOS3_ARM_CORE_OPTION(0), + EXYNOS3_ARM_CORE_OPTION(1), + EXYNOS3_ARM_CORE_OPTION(2), + EXYNOS3_ARM_CORE_OPTION(3), + EXYNOS3_ARM_COMMON_OPTION, + EXYNOS3_TOP_PWR_OPTION, + EXYNOS3_CORE_TOP_PWR_OPTION, + S5P_CAM_OPTION, + S5P_MFC_OPTION, + S5P_G3D_OPTION, + S5P_LCD0_OPTION, + S5P_ISP_OPTION, +}; + +static void exynos3250_powerdown_conf_extra(enum sys_powerdown mode) +{ + unsigned int i; + unsigned int tmp; + + /* Enable only SC_FEEDBACK */ + for (i = 0; i < ARRAY_SIZE(exynos3250_list_feed); i++) { + tmp = pmu_raw_readl(exynos3250_list_feed[i]); + tmp &= ~(EXYNOS3_OPTION_USE_SC_COUNTER); + tmp |= EXYNOS3_OPTION_USE_SC_FEEDBACK; + pmu_raw_writel(tmp, exynos3250_list_feed[i]); + } + + if (mode != SYS_SLEEP) + return; + + pmu_raw_writel(0x00000BB8, EXYNOS3_XUSBXTI_DURATION); + pmu_raw_writel(0x00000BB8, EXYNOS3_XXTI_DURATION); + pmu_raw_writel(0x00001D4C, EXYNOS3_EXT_REGULATOR_DURATION); + pmu_raw_writel(0x00001D4C, EXYNOS3_EXT_REGULATOR_COREBLK_DURATION); +} + static unsigned int const exynos5_list_both_cnt_feed[] = { EXYNOS5_ARM_CORE0_OPTION, EXYNOS5_ARM_CORE1_OPTION, @@ -632,6 +762,9 @@ void exynos_sys_powerdown_conf(enum sys_powerdown mode) pmu_data->pmu_config[i].offset); } + if (pmu_data->powerdown_conf_extra) + pmu_data->powerdown_conf_extra(mode); + if (pmu_data->pmu_config_extra) { for (i = 0; pmu_data->pmu_config_extra[i].offset != PMU_TABLE_END; i++) pmu_raw_writel(pmu_data->pmu_config_extra[i].val[mode], @@ -639,6 +772,37 @@ void exynos_sys_powerdown_conf(enum sys_powerdown mode) } } +static void exynos3250_pmu_init(void) +{ + unsigned int value; + + /* + * To prevent form issuing new bus request form L2 memory system + * If core status is power down, should be set '1' to L2 power down + */ + value = pmu_raw_readl(EXYNOS3_ARM_COMMON_OPTION); + value |= EXYNOS3_OPTION_SKIP_DEACTIVATE_ACEACP_IN_PWDN; + pmu_raw_writel(value, EXYNOS3_ARM_COMMON_OPTION); + + /* Enable USE_STANDBY_WFI for all CORE */ + pmu_raw_writel(S5P_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION); + + /* + * Set PSHOLD port for ouput high + */ + value = pmu_raw_readl(S5P_PS_HOLD_CONTROL); + value |= S5P_PS_HOLD_OUTPUT_HIGH; + pmu_raw_writel(value, S5P_PS_HOLD_CONTROL); + /* + * Enable signal for PSHOLD port + */ + value = pmu_raw_readl(S5P_PS_HOLD_CONTROL); + value |= S5P_PS_HOLD_EN; + pmu_raw_writel(value, S5P_PS_HOLD_CONTROL); + + pr_info("EXYNOS3250 PMU Initialize\n"); +} + static void exynos5250_pmu_init(void) { unsigned int value; @@ -717,6 +881,12 @@ static void exynos5420_pmu_init(void) } +static const struct exynos_pmu_data exynos3250_pmu_data = { + .pmu_config = exynos3250_pmu_config, + .pmu_init = exynos3250_pmu_init, + .powerdown_conf_extra = exynos3250_powerdown_conf_extra, +}; + static const struct exynos_pmu_data exynos4210_pmu_data = { .pmu_config = exynos4210_pmu_config, }; @@ -747,6 +917,9 @@ static struct exynos_pmu_data exynos5420_pmu_data = { */ static const struct of_device_id exynos_pmu_of_device_ids[] = { { + .compatible = "samsung,exynos3250-pmu", + .data = &exynos3250_pmu_data, + }, { .compatible = "samsung,exynos4210-pmu", .data = &exynos4210_pmu_data, }, { diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs-pmu.h index 46b973b..130f3e1 100644 --- a/arch/arm/mach-exynos/regs-pmu.h +++ b/arch/arm/mach-exynos/regs-pmu.h @@ -19,7 +19,20 @@ #define S5P_CENTRAL_SEQ_OPTION 0x0208 #define S5P_USE_STANDBY_WFI0 (1 << 16) +#define S5P_USE_STANDBY_WFI1 (1 << 17) +#define S5P_USE_STANDBY_WFI2 (1 << 19) +#define S5P_USE_STANDBY_WFI3 (1 << 20) #define S5P_USE_STANDBY_WFE0 (1 << 24) +#define S5P_USE_STANDBY_WFE1 (1 << 25) +#define S5P_USE_STANDBY_WFE2 (1 << 27) +#define S5P_USE_STANDBY_WFE3 (1 << 28) + +#define S5P_USE_STANDBY_WFI_ALL \ + (S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFI1 | \ + S5P_USE_STANDBY_WFI2 | S5P_USE_STANDBY_WFI3 | \ + S5P_USE_STANDBY_WFE0 | S5P_USE_STANDBY_WFE1 | \ + S5P_USE_STANDBY_WFE2 | S5P_USE_STANDBY_WFE3) + #define S5P_USE_DELAYED_RESET_ASSERTION BIT(12) #define EXYNOS_CORE_PO_RESET(n) ((1 << 4) << n) @@ -154,6 +167,17 @@ #define S5P_PAD_RET_EBIA_OPTION 0x3188 #define S5P_PAD_RET_EBIB_OPTION 0x31A8 +#define S5P_PS_HOLD_CONTROL 0x330C +#define S5P_PS_HOLD_EN (1 << 31) +#define S5P_PS_HOLD_OUTPUT_HIGH (3 << 8) + +#define S5P_CAM_OPTION 0x3C08 +#define S5P_MFC_OPTION 0x3C48 +#define S5P_G3D_OPTION 0x3C68 +#define S5P_LCD0_OPTION 0x3C88 +#define S5P_LCD1_OPTION 0x3CA8 +#define S5P_ISP_OPTION S5P_LCD1_OPTION + #define S5P_CORE_LOCAL_PWR_EN 0x3 #define S5P_CORE_WAKEUP_FROM_LOCAL_CFG (0x3 << 8) @@ -214,6 +238,111 @@ #define S5P_DIS_IRQ_CORE3 0x1034 #define S5P_DIS_IRQ_CENTRAL3 0x1038 +/* Only for EXYNOS3XXX */ +#define EXYNOS3_ARM_CORE0_SYS_PWR_REG 0x1000 +#define EXYNOS3_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG 0x1004 +#define EXYNOS3_DIS_IRQ_ARM_CORE0_CENTRAL_SYS_PWR_REG 0x1008 +#define EXYNOS3_ARM_CORE1_SYS_PWR_REG 0x1010 +#define EXYNOS3_DIS_IRQ_ARM_CORE1_LOCAL_SYS_PWR_REG 0x1014 +#define EXYNOS3_DIS_IRQ_ARM_CORE1_CENTRAL_SYS_PWR_REG 0x1018 +#define EXYNOS3_ARM_CORE2_SYS_PWR_REG 0x1020 +#define EXYNOS3_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG 0x1024 +#define EXYNOS3_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG 0x1028 +#define EXYNOS3_ARM_CORE3_SYS_PWR_REG 0x1030 +#define EXYNOS3_DIS_IRQ_ARM_CORE3_LOCAL_SYS_PWR_REG 0x1034 +#define EXYNOS3_DIS_IRQ_ARM_CORE3_CENTRAL_SYS_PWR_REG 0x1038 +#define EXYNOS3_ISP_ARM_SYS_PWR_REG 0x1050 +#define EXYNOS3_DIS_IRQ_ISP_ARM_LOCAL_SYS_PWR_REG 0x1054 +#define EXYNOS3_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG 0x1058 +#define EXYNOS3_ARM_COMMON_SYS_PWR_REG 0x1080 +#define EXYNOS3_ARM_L2_SYS_PWR_REG 0x10C0 +#define EXYNOS3_CMU_ACLKSTOP_SYS_PWR_REG 0x1100 +#define EXYNOS3_CMU_SCLKSTOP_SYS_PWR_REG 0x1104 +#define EXYNOS3_CMU_RESET_SYS_PWR_REG 0x110C +#define EXYNOS3_CMU_ACLKSTOP_COREBLK_SYS_PWR_REG 0x1110 +#define EXYNOS3_CMU_SCLKSTOP_COREBLK_SYS_PWR_REG 0x1114 +#define EXYNOS3_CMU_RESET_COREBLK_SYS_PWR_REG 0x111C +#define EXYNOS3_APLL_SYSCLK_SYS_PWR_REG 0x1120 +#define EXYNOS3_MPLL_SYSCLK_SYS_PWR_REG 0x1124 +#define EXYNOS3_VPLL_SYSCLK_SYS_PWR_REG 0x1128 +#define EXYNOS3_EPLL_SYSCLK_SYS_PWR_REG 0x112C +#define EXYNOS3_MPLLUSER_SYSCLK_SYS_PWR_REG 0x1130 +#define EXYNOS3_BPLLUSER_SYSCLK_SYS_PWR_REG 0x1134 +#define EXYNOS3_EPLLUSER_SYSCLK_SYS_PWR_REG 0x1138 +#define EXYNOS3_CMU_CLKSTOP_CAM_SYS_PWR_REG 0x1140 +#define EXYNOS3_CMU_CLKSTOP_MFC_SYS_PWR_REG 0x1148 +#define EXYNOS3_CMU_CLKSTOP_G3D_SYS_PWR_REG 0x114C +#define EXYNOS3_CMU_CLKSTOP_LCD0_SYS_PWR_REG 0x1150 +#define EXYNOS3_CMU_CLKSTOP_ISP_SYS_PWR_REG 0x1154 +#define EXYNOS3_CMU_CLKSTOP_MAUDIO_SYS_PWR_REG 0x1158 +#define EXYNOS3_CMU_RESET_CAM_SYS_PWR_REG 0x1160 +#define EXYNOS3_CMU_RESET_MFC_SYS_PWR_REG 0x1168 +#define EXYNOS3_CMU_RESET_G3D_SYS_PWR_REG 0x116C +#define EXYNOS3_CMU_RESET_LCD0_SYS_PWR_REG 0x1170 +#define EXYNOS3_CMU_RESET_ISP_SYS_PWR_REG 0x1174 +#define EXYNOS3_CMU_RESET_MAUDIO_SYS_PWR_REG 0x1178 +#define EXYNOS3_TOP_BUS_SYS_PWR_REG 0x1180 +#define EXYNOS3_TOP_RETENTION_SYS_PWR_REG 0x1184 +#define EXYNOS3_TOP_PWR_SYS_PWR_REG 0x1188 +#define EXYNOS3_TOP_BUS_COREBLK_SYS_PWR_REG 0x1190 +#define EXYNOS3_TOP_RETENTION_COREBLK_SYS_PWR_REG 0x1194 +#define EXYNOS3_TOP_PWR_COREBLK_SYS_PWR_REG 0x1198 +#define EXYNOS3_LOGIC_RESET_SYS_PWR_REG 0x11A0 +#define EXYNOS3_OSCCLK_GATE_SYS_PWR_REG 0x11A4 +#define EXYNOS3_LOGIC_RESET_COREBLK_SYS_PWR_REG 0x11B0 +#define EXYNOS3_OSCCLK_GATE_COREBLK_SYS_PWR_REG 0x11B4 +#define EXYNOS3_PAD_RETENTION_DRAM_SYS_PWR_REG 0x1200 +#define EXYNOS3_PAD_RETENTION_MAUDIO_SYS_PWR_REG 0x1204 +#define EXYNOS3_PAD_RETENTION_SPI_SYS_PWR_REG 0x1208 +#define EXYNOS3_PAD_RETENTION_MMC2_SYS_PWR_REG 0x1218 +#define EXYNOS3_PAD_RETENTION_GPIO_SYS_PWR_REG 0x1220 +#define EXYNOS3_PAD_RETENTION_UART_SYS_PWR_REG 0x1224 +#define EXYNOS3_PAD_RETENTION_MMC0_SYS_PWR_REG 0x1228 +#define EXYNOS3_PAD_RETENTION_MMC1_SYS_PWR_REG 0x122C +#define EXYNOS3_PAD_RETENTION_EBIA_SYS_PWR_REG 0x1230 +#define EXYNOS3_PAD_RETENTION_EBIB_SYS_PWR_REG 0x1234 +#define EXYNOS3_PAD_RETENTION_JTAG_SYS_PWR_REG 0x1238 +#define EXYNOS3_PAD_ISOLATION_SYS_PWR_REG 0x1240 +#define EXYNOS3_PAD_ALV_SEL_SYS_PWR_REG 0x1260 +#define EXYNOS3_XUSBXTI_SYS_PWR_REG 0x1280 +#define EXYNOS3_XXTI_SYS_PWR_REG 0x1284 +#define EXYNOS3_EXT_REGULATOR_SYS_PWR_REG 0x12C0 +#define EXYNOS3_EXT_REGULATOR_COREBLK_SYS_PWR_REG 0x12C4 +#define EXYNOS3_GPIO_MODE_SYS_PWR_REG 0x1300 +#define EXYNOS3_GPIO_MODE_MAUDIO_SYS_PWR_REG 0x1340 +#define EXYNOS3_TOP_ASB_RESET_SYS_PWR_REG 0x1344 +#define EXYNOS3_TOP_ASB_ISOLATION_SYS_PWR_REG 0x1348 +#define EXYNOS3_TOP_ASB_RESET_COREBLK_SYS_PWR_REG 0x1350 +#define EXYNOS3_TOP_ASB_ISOLATION_COREBLK_SYS_PWR_REG 0x1354 +#define EXYNOS3_CAM_SYS_PWR_REG 0x1380 +#define EXYNOS3_MFC_SYS_PWR_REG 0x1388 +#define EXYNOS3_G3D_SYS_PWR_REG 0x138C +#define EXYNOS3_LCD0_SYS_PWR_REG 0x1390 +#define EXYNOS3_ISP_SYS_PWR_REG 0x1394 +#define EXYNOS3_MAUDIO_SYS_PWR_REG 0x1398 +#define EXYNOS3_DRAM_FREQ_DOWN_SYS_PWR_REG 0x13B0 +#define EXYNOS3_DDRPHY_DLLOFF_SYS_PWR_REG 0x13B4 +#define EXYNOS3_CMU_SYSCLK_ISP_SYS_PWR_REG 0x13B8 +#define EXYNOS3_LPDDR_PHY_DLL_LOCK_SYS_PWR_REG 0x13C0 +#define EXYNOS3_BPLL_SYSCLK_SYS_PWR_REG 0x13C4 +#define EXYNOS3_UPLL_SYSCLK_SYS_PWR_REG 0x13C8 + +#define EXYNOS3_ARM_CORE0_OPTION 0x2008 +#define EXYNOS3_ARM_CORE_OPTION(_nr) (EXYNOS3_ARM_CORE0_OPTION + ((_nr) * 0x80)) + +#define EXYNOS3_ARM_COMMON_OPTION 0x2408 +#define EXYNOS3_TOP_PWR_OPTION 0x2C48 +#define EXYNOS3_CORE_TOP_PWR_OPTION 0x2CA8 +#define EXYNOS3_XUSBXTI_DURATION 0x341C +#define EXYNOS3_XXTI_DURATION 0x343C +#define EXYNOS3_EXT_REGULATOR_DURATION 0x361C +#define EXYNOS3_EXT_REGULATOR_COREBLK_DURATION 0x363C + +/* for XXX_OPTION */ +#define EXYNOS3_OPTION_USE_SC_COUNTER (1 << 0) +#define EXYNOS3_OPTION_USE_SC_FEEDBACK (1 << 1) +#define EXYNOS3_OPTION_SKIP_DEACTIVATE_ACEACP_IN_PWDN (1 << 7) + /* For EXYNOS5 */ #define EXYNOS5_AUTO_WDTRESET_DISABLE 0x0408