diff options
Diffstat (limited to 'arch/arm/mach-omap2/cm2xxx_3xxx.c')
| -rw-r--r-- | arch/arm/mach-omap2/cm2xxx_3xxx.c | 296 |
1 files changed, 295 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.c b/arch/arm/mach-omap2/cm2xxx_3xxx.c index 5978ce426ec5..1c98dfc93a83 100644 --- a/arch/arm/mach-omap2/cm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.c @@ -29,7 +29,6 @@ static const u8 cm_idlest_offs[] = { CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3 }; - u32 cm_read_mod_reg(s16 module, u16 idx) { return __raw_readl(cm_base + module + idx); @@ -97,3 +96,298 @@ int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift) return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY; } +/* + * Context save/restore code - OMAP3 only + */ +#ifdef CONFIG_ARCH_OMAP3 +struct omap3_cm_regs { + u32 iva2_cm_clksel1; + u32 iva2_cm_clksel2; + u32 cm_sysconfig; + u32 sgx_cm_clksel; + u32 dss_cm_clksel; + u32 cam_cm_clksel; + u32 per_cm_clksel; + u32 emu_cm_clksel; + u32 emu_cm_clkstctrl; + u32 pll_cm_autoidle2; + u32 pll_cm_clksel4; + u32 pll_cm_clksel5; + u32 pll_cm_clken2; + u32 cm_polctrl; + u32 iva2_cm_fclken; + u32 iva2_cm_clken_pll; + u32 core_cm_fclken1; + u32 core_cm_fclken3; + u32 sgx_cm_fclken; + u32 wkup_cm_fclken; + u32 dss_cm_fclken; + u32 cam_cm_fclken; + u32 per_cm_fclken; + u32 usbhost_cm_fclken; + u32 core_cm_iclken1; + u32 core_cm_iclken2; + u32 core_cm_iclken3; + u32 sgx_cm_iclken; + u32 wkup_cm_iclken; + u32 dss_cm_iclken; + u32 cam_cm_iclken; + u32 per_cm_iclken; + u32 usbhost_cm_iclken; + u32 iva2_cm_autoidle2; + u32 mpu_cm_autoidle2; + u32 iva2_cm_clkstctrl; + u32 mpu_cm_clkstctrl; + u32 core_cm_clkstctrl; + u32 sgx_cm_clkstctrl; + u32 dss_cm_clkstctrl; + u32 cam_cm_clkstctrl; + u32 per_cm_clkstctrl; + u32 neon_cm_clkstctrl; + u32 usbhost_cm_clkstctrl; + u32 core_cm_autoidle1; + u32 core_cm_autoidle2; + u32 core_cm_autoidle3; + u32 wkup_cm_autoidle; + u32 dss_cm_autoidle; + u32 cam_cm_autoidle; + u32 per_cm_autoidle; + u32 usbhost_cm_autoidle; + u32 sgx_cm_sleepdep; + u32 dss_cm_sleepdep; + u32 cam_cm_sleepdep; + u32 per_cm_sleepdep; + u32 usbhost_cm_sleepdep; + u32 cm_clkout_ctrl; +}; + +static struct omap3_cm_regs cm_context; + +void omap3_cm_save_context(void) +{ + cm_context.iva2_cm_clksel1 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL1); + cm_context.iva2_cm_clksel2 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL2); + cm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG); + cm_context.sgx_cm_clksel = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL); + cm_context.dss_cm_clksel = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL); + cm_context.cam_cm_clksel = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSEL); + cm_context.per_cm_clksel = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSEL); + cm_context.emu_cm_clksel = + cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1); + cm_context.emu_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_EMU_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.pll_cm_autoidle2 = + cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2); + cm_context.pll_cm_clksel4 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4); + cm_context.pll_cm_clksel5 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5); + cm_context.pll_cm_clken2 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2); + cm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL); + cm_context.iva2_cm_fclken = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN); + cm_context.iva2_cm_clken_pll = cm_read_mod_reg(OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKEN_PLL); + cm_context.core_cm_fclken1 = + cm_read_mod_reg(CORE_MOD, CM_FCLKEN1); + cm_context.core_cm_fclken3 = + cm_read_mod_reg(CORE_MOD, OMAP3430ES2_CM_FCLKEN3); + cm_context.sgx_cm_fclken = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_FCLKEN); + cm_context.wkup_cm_fclken = + cm_read_mod_reg(WKUP_MOD, CM_FCLKEN); + cm_context.dss_cm_fclken = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_FCLKEN); + cm_context.cam_cm_fclken = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_FCLKEN); + cm_context.per_cm_fclken = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_FCLKEN); + cm_context.usbhost_cm_fclken = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN); + cm_context.core_cm_iclken1 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN1); + cm_context.core_cm_iclken2 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN2); + cm_context.core_cm_iclken3 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN3); + cm_context.sgx_cm_iclken = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_ICLKEN); + cm_context.wkup_cm_iclken = + cm_read_mod_reg(WKUP_MOD, CM_ICLKEN); + cm_context.dss_cm_iclken = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_ICLKEN); + cm_context.cam_cm_iclken = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_ICLKEN); + cm_context.per_cm_iclken = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_ICLKEN); + cm_context.usbhost_cm_iclken = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN); + cm_context.iva2_cm_autoidle2 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2); + cm_context.mpu_cm_autoidle2 = + cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2); + cm_context.iva2_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.mpu_cm_clkstctrl = + cm_read_mod_reg(MPU_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.core_cm_clkstctrl = + cm_read_mod_reg(CORE_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.sgx_cm_clkstctrl = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.dss_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.cam_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.per_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_PER_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.neon_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_NEON_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.usbhost_cm_clkstctrl = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.core_cm_autoidle1 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE1); + cm_context.core_cm_autoidle2 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE2); + cm_context.core_cm_autoidle3 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE3); + cm_context.wkup_cm_autoidle = + cm_read_mod_reg(WKUP_MOD, CM_AUTOIDLE); + cm_context.dss_cm_autoidle = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_AUTOIDLE); + cm_context.cam_cm_autoidle = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_AUTOIDLE); + cm_context.per_cm_autoidle = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE); + cm_context.usbhost_cm_autoidle = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); + cm_context.sgx_cm_sleepdep = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.dss_cm_sleepdep = + cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.cam_cm_sleepdep = + cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.per_cm_sleepdep = + cm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.usbhost_cm_sleepdep = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.cm_clkout_ctrl = + cm_read_mod_reg(OMAP3430_CCR_MOD, OMAP3_CM_CLKOUT_CTRL_OFFSET); +} + +void omap3_cm_restore_context(void) +{ + cm_write_mod_reg(cm_context.iva2_cm_clksel1, OMAP3430_IVA2_MOD, + CM_CLKSEL1); + cm_write_mod_reg(cm_context.iva2_cm_clksel2, OMAP3430_IVA2_MOD, + CM_CLKSEL2); + __raw_writel(cm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG); + cm_write_mod_reg(cm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD, + CM_CLKSEL); + cm_write_mod_reg(cm_context.dss_cm_clksel, OMAP3430_DSS_MOD, + CM_CLKSEL); + cm_write_mod_reg(cm_context.cam_cm_clksel, OMAP3430_CAM_MOD, + CM_CLKSEL); + cm_write_mod_reg(cm_context.per_cm_clksel, OMAP3430_PER_MOD, + CM_CLKSEL); + cm_write_mod_reg(cm_context.emu_cm_clksel, OMAP3430_EMU_MOD, + CM_CLKSEL1); + cm_write_mod_reg(cm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.pll_cm_autoidle2, PLL_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(cm_context.pll_cm_clksel4, PLL_MOD, + OMAP3430ES2_CM_CLKSEL4); + cm_write_mod_reg(cm_context.pll_cm_clksel5, PLL_MOD, + OMAP3430ES2_CM_CLKSEL5); + cm_write_mod_reg(cm_context.pll_cm_clken2, PLL_MOD, + OMAP3430ES2_CM_CLKEN2); + __raw_writel(cm_context.cm_polctrl, OMAP3430_CM_POLCTRL); + cm_write_mod_reg(cm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKEN_PLL); + cm_write_mod_reg(cm_context.core_cm_fclken1, CORE_MOD, CM_FCLKEN1); + cm_write_mod_reg(cm_context.core_cm_fclken3, CORE_MOD, + OMAP3430ES2_CM_FCLKEN3); + cm_write_mod_reg(cm_context.sgx_cm_fclken, OMAP3430ES2_SGX_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.wkup_cm_fclken, WKUP_MOD, CM_FCLKEN); + cm_write_mod_reg(cm_context.dss_cm_fclken, OMAP3430_DSS_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.cam_cm_fclken, OMAP3430_CAM_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.per_cm_fclken, OMAP3430_PER_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.usbhost_cm_fclken, + OMAP3430ES2_USBHOST_MOD, CM_FCLKEN); + cm_write_mod_reg(cm_context.core_cm_iclken1, CORE_MOD, CM_ICLKEN1); + cm_write_mod_reg(cm_context.core_cm_iclken2, CORE_MOD, CM_ICLKEN2); + cm_write_mod_reg(cm_context.core_cm_iclken3, CORE_MOD, CM_ICLKEN3); + cm_write_mod_reg(cm_context.sgx_cm_iclken, OMAP3430ES2_SGX_MOD, + CM_ICLKEN); + cm_write_mod_reg(cm_context.wkup_cm_iclken, WKUP_MOD, CM_ICLKEN); + cm_write_mod_reg(cm_context.dss_cm_iclken, OMAP3430_DSS_MOD, + CM_ICLKEN); + cm_write_mod_reg(cm_context.cam_cm_iclken, OMAP3430_CAM_MOD, + CM_ICLKEN); + cm_write_mod_reg(cm_context.per_cm_iclken, OMAP3430_PER_MOD, + CM_ICLKEN); + cm_write_mod_reg(cm_context.usbhost_cm_iclken, + OMAP3430ES2_USBHOST_MOD, CM_ICLKEN); + cm_write_mod_reg(cm_context.iva2_cm_autoidle2, OMAP3430_IVA2_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(cm_context.mpu_cm_autoidle2, MPU_MOD, CM_AUTOIDLE2); + cm_write_mod_reg(cm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.mpu_cm_clkstctrl, MPU_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.core_cm_clkstctrl, CORE_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.sgx_cm_clkstctrl, OMAP3430ES2_SGX_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.dss_cm_clkstctrl, OMAP3430_DSS_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.cam_cm_clkstctrl, OMAP3430_CAM_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.per_cm_clkstctrl, OMAP3430_PER_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.neon_cm_clkstctrl, OMAP3430_NEON_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.usbhost_cm_clkstctrl, + OMAP3430ES2_USBHOST_MOD, OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.core_cm_autoidle1, CORE_MOD, + CM_AUTOIDLE1); + cm_write_mod_reg(cm_context.core_cm_autoidle2, CORE_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(cm_context.core_cm_autoidle3, CORE_MOD, + CM_AUTOIDLE3); + cm_write_mod_reg(cm_context.wkup_cm_autoidle, WKUP_MOD, CM_AUTOIDLE); + cm_write_mod_reg(cm_context.dss_cm_autoidle, OMAP3430_DSS_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(cm_context.cam_cm_autoidle, OMAP3430_CAM_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(cm_context.per_cm_autoidle, OMAP3430_PER_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(cm_context.usbhost_cm_autoidle, + OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); + cm_write_mod_reg(cm_context.sgx_cm_sleepdep, OMAP3430ES2_SGX_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.dss_cm_sleepdep, OMAP3430_DSS_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.cam_cm_sleepdep, OMAP3430_CAM_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.per_cm_sleepdep, OMAP3430_PER_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.usbhost_cm_sleepdep, + OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD, + OMAP3_CM_CLKOUT_CTRL_OFFSET); +} +#endif |