diff options
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/sh7372.h | 36 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/pm-sh7372.c | 221 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-sh7372.c | 41 |
3 files changed, 0 insertions, 298 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index a7620c1..b59048e 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -478,22 +478,6 @@ extern struct clk sh7372_fsibck_clk; extern struct clk sh7372_fsidiva_clk; extern struct clk sh7372_fsidivb_clk; -struct platform_device; - -struct sh7372_pm_domain { - struct generic_pm_domain genpd; - struct dev_power_governor *gov; - int (*suspend)(void); - void (*resume)(void); - unsigned int bit_shift; - bool no_debug; -}; - -static inline struct sh7372_pm_domain *to_sh7372_pd(struct generic_pm_domain *d) -{ - return container_of(d, struct sh7372_pm_domain, genpd); -} - #ifdef CONFIG_PM extern struct rmobile_pm_domain sh7372_pd_a4lc; extern struct rmobile_pm_domain sh7372_pd_a4mp; @@ -504,26 +488,6 @@ extern struct rmobile_pm_domain sh7372_pd_a3ri; extern struct rmobile_pm_domain sh7372_pd_a4s; extern struct rmobile_pm_domain sh7372_pd_a3sp; extern struct rmobile_pm_domain sh7372_pd_a3sg; - -extern struct sh7372_pm_domain sh7372_a4lc; -extern struct sh7372_pm_domain sh7372_a4mp; -extern struct sh7372_pm_domain sh7372_d4; -extern struct sh7372_pm_domain sh7372_a4r; -extern struct sh7372_pm_domain sh7372_a3rv; -extern struct sh7372_pm_domain sh7372_a3ri; -extern struct sh7372_pm_domain sh7372_a4s; -extern struct sh7372_pm_domain sh7372_a3sp; -extern struct sh7372_pm_domain sh7372_a3sg; - -extern void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd); -extern void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd, - struct platform_device *pdev); -extern void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd, - struct sh7372_pm_domain *sh7372_sd); -#else -#define sh7372_init_pm_domain(pd) do { } while(0) -#define sh7372_add_device_to_domain(pd, pdev) do { } while(0) -#define sh7372_pm_add_subdomain(pd, sd) do { } while(0) #endif /* CONFIG_PM */ extern void sh7372_intcs_suspend(void); diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 3b131c7..6a23e7c 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -42,13 +42,10 @@ #define PLLC01STPCR 0xe61500c8 /* SYSC */ -#define SPDCR 0xe6180008 -#define SWUCR 0xe6180014 #define SBAR 0xe6180020 #define WUPRMSK 0xe6180028 #define WUPSMSK 0xe618002c #define WUPSMSK2 0xe6180048 -#define PSTR 0xe6180080 #define WUPSFAC 0xe6180098 #define IRQCR 0xe618022c #define IRQCR2 0xe6180238 @@ -72,226 +69,8 @@ /* AP-System Core */ #define APARMBAREA 0xe6f10020 -#define PSTR_RETRIES 100 -#define PSTR_DELAY_US 10 - #ifdef CONFIG_PM -static int pd_power_down(struct generic_pm_domain *genpd) -{ - struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd); - unsigned int mask = 1 << sh7372_pd->bit_shift; - - if (sh7372_pd->suspend) { - int ret = sh7372_pd->suspend(); - - if (ret) - return ret; - } - - if (__raw_readl(PSTR) & mask) { - unsigned int retry_count; - - __raw_writel(mask, SPDCR); - - for (retry_count = PSTR_RETRIES; retry_count; retry_count--) { - if (!(__raw_readl(SPDCR) & mask)) - break; - cpu_relax(); - } - } - - if (!sh7372_pd->no_debug) - pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", - genpd->name, mask, __raw_readl(PSTR)); - - return 0; -} - -static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume) -{ - unsigned int mask = 1 << sh7372_pd->bit_shift; - unsigned int retry_count; - int ret = 0; - - if (__raw_readl(PSTR) & mask) - goto out; - - __raw_writel(mask, SWUCR); - - for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) { - if (!(__raw_readl(SWUCR) & mask)) - break; - if (retry_count > PSTR_RETRIES) - udelay(PSTR_DELAY_US); - else - cpu_relax(); - } - if (!retry_count) - ret = -EIO; - - if (!sh7372_pd->no_debug) - pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n", - sh7372_pd->genpd.name, mask, __raw_readl(PSTR)); - - out: - if (ret == 0 && sh7372_pd->resume && do_resume) - sh7372_pd->resume(); - - return ret; -} - -static int pd_power_up(struct generic_pm_domain *genpd) -{ - return __pd_power_up(to_sh7372_pd(genpd), true); -} - -static int sh7372_a4r_suspend(void) -{ - sh7372_intcs_suspend(); - __raw_writel(0x300fffff, WUPRMSK); /* avoid wakeup */ - return 0; -} - -static bool pd_active_wakeup(struct device *dev) -{ - bool (*active_wakeup)(struct device *dev); - - active_wakeup = dev_gpd_data(dev)->ops.active_wakeup; - return active_wakeup ? active_wakeup(dev) : true; -} - -static int sh7372_stop_dev(struct device *dev) -{ - int (*stop)(struct device *dev); - - stop = dev_gpd_data(dev)->ops.stop; - if (stop) { - int ret = stop(dev); - if (ret) - return ret; - } - return pm_clk_suspend(dev); -} - -static int sh7372_start_dev(struct device *dev) -{ - int (*start)(struct device *dev); - int ret; - - ret = pm_clk_resume(dev); - if (ret) - return ret; - - start = dev_gpd_data(dev)->ops.start; - if (start) - ret = start(dev); - - return ret; -} - -void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd) -{ - struct generic_pm_domain *genpd = &sh7372_pd->genpd; - struct dev_power_governor *gov = sh7372_pd->gov; - - pm_genpd_init(genpd, gov ? : &simple_qos_governor, false); - genpd->dev_ops.stop = sh7372_stop_dev; - genpd->dev_ops.start = sh7372_start_dev; - genpd->dev_ops.active_wakeup = pd_active_wakeup; - genpd->dev_irq_safe = true; - genpd->power_off = pd_power_down; - genpd->power_on = pd_power_up; - __pd_power_up(sh7372_pd, false); -} - -void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd, - struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - - pm_genpd_add_device(&sh7372_pd->genpd, dev); - if (pm_clk_no_clocks(dev)) - pm_clk_add(dev, NULL); -} - -void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd, - struct sh7372_pm_domain *sh7372_sd) -{ - pm_genpd_add_subdomain(&sh7372_pd->genpd, &sh7372_sd->genpd); -} - -struct sh7372_pm_domain sh7372_a4lc = { - .genpd.name = "A4LC", - .bit_shift = 1, -}; - -struct sh7372_pm_domain sh7372_a4mp = { - .genpd.name = "A4MP", - .bit_shift = 2, -}; - -struct sh7372_pm_domain sh7372_d4 = { - .genpd.name = "D4", - .bit_shift = 3, -}; - -struct sh7372_pm_domain sh7372_a4r = { - .genpd.name = "A4R", - .bit_shift = 5, - .suspend = sh7372_a4r_suspend, - .resume = sh7372_intcs_resume, -}; - -struct sh7372_pm_domain sh7372_a3rv = { - .genpd.name = "A3RV", - .bit_shift = 6, -}; - -struct sh7372_pm_domain sh7372_a3ri = { - .genpd.name = "A3RI", - .bit_shift = 8, -}; - -static int sh7372_a4s_suspend(void) -{ - /* - * The A4S domain contains the CPU core and therefore it should - * only be turned off if the CPU is in use. - */ - return -EBUSY; -} - -struct sh7372_pm_domain sh7372_a4s = { - .genpd.name = "A4S", - .bit_shift = 10, - .gov = &pm_domain_always_on_gov, - .no_debug = true, - .suspend = sh7372_a4s_suspend, -}; - -static int sh7372_a3sp_suspend(void) -{ - /* - * Serial consoles make use of SCIF hardware located in A3SP, - * keep such power domain on if "no_console_suspend" is set. - */ - return console_suspend_enabled ? 0 : -EBUSY; -} - -struct sh7372_pm_domain sh7372_a3sp = { - .genpd.name = "A3SP", - .bit_shift = 11, - .gov = &pm_domain_always_on_gov, - .no_debug = true, - .suspend = sh7372_a3sp_suspend, -}; - -struct sh7372_pm_domain sh7372_a3sg = { - .genpd.name = "A3SG", - .bit_shift = 13, -}; - struct rmobile_pm_domain sh7372_pd_a4lc = { .genpd.name = "A4LC", .bit_shift = 1, diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 3648b35..04eef92 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -1001,22 +1001,6 @@ static struct platform_device *sh7372_late_devices[] __initdata = { void __init sh7372_add_standard_devices(void) { - sh7372_init_pm_domain(&sh7372_a4lc); - sh7372_init_pm_domain(&sh7372_a4mp); - sh7372_init_pm_domain(&sh7372_d4); - sh7372_init_pm_domain(&sh7372_a4r); - sh7372_init_pm_domain(&sh7372_a3rv); - sh7372_init_pm_domain(&sh7372_a3ri); - sh7372_init_pm_domain(&sh7372_a4s); - sh7372_init_pm_domain(&sh7372_a3sp); - sh7372_init_pm_domain(&sh7372_a3sg); - - sh7372_pm_add_subdomain(&sh7372_a4lc, &sh7372_a3rv); - sh7372_pm_add_subdomain(&sh7372_a4r, &sh7372_a4lc); - - sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sg); - sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sp); - rmobile_init_pm_domain(&sh7372_pd_a4lc); rmobile_init_pm_domain(&sh7372_pd_a4mp); rmobile_init_pm_domain(&sh7372_pd_d4); @@ -1039,31 +1023,6 @@ void __init sh7372_add_standard_devices(void) platform_add_devices(sh7372_late_devices, ARRAY_SIZE(sh7372_late_devices)); - sh7372_add_device_to_domain(&sh7372_a3rv, &vpu_device); - sh7372_add_device_to_domain(&sh7372_a4mp, &spu0_device); - sh7372_add_device_to_domain(&sh7372_a4mp, &spu1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif0_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif2_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif3_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif4_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif5_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif6_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &iic1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &dma0_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &dma1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &dma2_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma0_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma1_device); - sh7372_add_device_to_domain(&sh7372_a4r, &iic0_device); - sh7372_add_device_to_domain(&sh7372_a4r, &veu0_device); - sh7372_add_device_to_domain(&sh7372_a4r, &veu1_device); - sh7372_add_device_to_domain(&sh7372_a4r, &veu2_device); - sh7372_add_device_to_domain(&sh7372_a4r, &veu3_device); - sh7372_add_device_to_domain(&sh7372_a4r, &jpu_device); - sh7372_add_device_to_domain(&sh7372_a4r, &tmu00_device); - sh7372_add_device_to_domain(&sh7372_a4r, &tmu01_device); - rmobile_add_device_to_domain(&sh7372_pd_a3rv, &vpu_device); rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu0_device); rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu1_device); |