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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-07-05 01:29:37 -0700
committerRafael J. Wysocki <rjw@sisk.pl>2012-07-06 20:53:39 +0200
commit3aa99a3498403d23fe4a0cfa4fcbbedaf7c8134a (patch)
tree6eb04338464b72197b6b6c957366f73b66eb74c1 /arch/arm/mach-shmobile/pm-sh7372.c
parentc99cc71efdaecf2e32608fba474bb0fd096b49ea (diff)
ARM: shmobile: sh7372: completely switch over to using pm-rmobile API
Now, all sh7372 platforms are switched over to use pm-rmobile base PM domain, and no one is using original sh7372_pm_domain APIs. We can remove these, switching has been fully completed. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'arch/arm/mach-shmobile/pm-sh7372.c')
-rw-r--r--arch/arm/mach-shmobile/pm-sh7372.c221
1 files changed, 0 insertions, 221 deletions
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index 3b131c7a79d..6a23e7c449e 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,