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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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>
This commit is contained in:
Kuninori Morimoto
Rafael J. Wysocki
parent
c99cc71efd
commit
3aa99a3498
@ -478,22 +478,6 @@ extern struct clk sh7372_fsibck_clk;
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extern struct clk sh7372_fsidiva_clk;
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extern struct clk sh7372_fsidivb_clk;
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struct platform_device;
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struct sh7372_pm_domain {
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struct generic_pm_domain genpd;
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struct dev_power_governor *gov;
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int (*suspend)(void);
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void (*resume)(void);
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unsigned int bit_shift;
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bool no_debug;
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};
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static inline struct sh7372_pm_domain *to_sh7372_pd(struct generic_pm_domain *d)
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{
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return container_of(d, struct sh7372_pm_domain, genpd);
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}
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#ifdef CONFIG_PM
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extern struct rmobile_pm_domain sh7372_pd_a4lc;
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extern struct rmobile_pm_domain sh7372_pd_a4mp;
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@ -504,26 +488,6 @@ extern struct rmobile_pm_domain sh7372_pd_a3ri;
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extern struct rmobile_pm_domain sh7372_pd_a4s;
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extern struct rmobile_pm_domain sh7372_pd_a3sp;
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extern struct rmobile_pm_domain sh7372_pd_a3sg;
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extern struct sh7372_pm_domain sh7372_a4lc;
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extern struct sh7372_pm_domain sh7372_a4mp;
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extern struct sh7372_pm_domain sh7372_d4;
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extern struct sh7372_pm_domain sh7372_a4r;
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extern struct sh7372_pm_domain sh7372_a3rv;
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extern struct sh7372_pm_domain sh7372_a3ri;
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extern struct sh7372_pm_domain sh7372_a4s;
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extern struct sh7372_pm_domain sh7372_a3sp;
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extern struct sh7372_pm_domain sh7372_a3sg;
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extern void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd);
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extern void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
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struct platform_device *pdev);
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extern void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd,
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struct sh7372_pm_domain *sh7372_sd);
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#else
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#define sh7372_init_pm_domain(pd) do { } while(0)
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#define sh7372_add_device_to_domain(pd, pdev) do { } while(0)
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#define sh7372_pm_add_subdomain(pd, sd) do { } while(0)
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#endif /* CONFIG_PM */
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extern void sh7372_intcs_suspend(void);
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@ -42,13 +42,10 @@
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#define PLLC01STPCR 0xe61500c8
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/* SYSC */
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#define SPDCR 0xe6180008
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#define SWUCR 0xe6180014
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#define SBAR 0xe6180020
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#define WUPRMSK 0xe6180028
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#define WUPSMSK 0xe618002c
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#define WUPSMSK2 0xe6180048
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#define PSTR 0xe6180080
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#define WUPSFAC 0xe6180098
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#define IRQCR 0xe618022c
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#define IRQCR2 0xe6180238
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@ -72,226 +69,8 @@
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/* AP-System Core */
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#define APARMBAREA 0xe6f10020
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#define PSTR_RETRIES 100
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#define PSTR_DELAY_US 10
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#ifdef CONFIG_PM
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static int pd_power_down(struct generic_pm_domain *genpd)
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{
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struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd);
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unsigned int mask = 1 << sh7372_pd->bit_shift;
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if (sh7372_pd->suspend) {
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int ret = sh7372_pd->suspend();
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if (ret)
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return ret;
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}
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if (__raw_readl(PSTR) & mask) {
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unsigned int retry_count;
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__raw_writel(mask, SPDCR);
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for (retry_count = PSTR_RETRIES; retry_count; retry_count--) {
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if (!(__raw_readl(SPDCR) & mask))
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break;
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cpu_relax();
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}
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}
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if (!sh7372_pd->no_debug)
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pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n",
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genpd->name, mask, __raw_readl(PSTR));
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return 0;
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}
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static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume)
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{
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unsigned int mask = 1 << sh7372_pd->bit_shift;
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unsigned int retry_count;
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int ret = 0;
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if (__raw_readl(PSTR) & mask)
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goto out;
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__raw_writel(mask, SWUCR);
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for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
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if (!(__raw_readl(SWUCR) & mask))
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break;
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if (retry_count > PSTR_RETRIES)
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udelay(PSTR_DELAY_US);
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else
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cpu_relax();
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}
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if (!retry_count)
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ret = -EIO;
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if (!sh7372_pd->no_debug)
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pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
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sh7372_pd->genpd.name, mask, __raw_readl(PSTR));
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out:
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if (ret == 0 && sh7372_pd->resume && do_resume)
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sh7372_pd->resume();
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return ret;
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}
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static int pd_power_up(struct generic_pm_domain *genpd)
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{
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return __pd_power_up(to_sh7372_pd(genpd), true);
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}
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static int sh7372_a4r_suspend(void)
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{
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sh7372_intcs_suspend();
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__raw_writel(0x300fffff, WUPRMSK); /* avoid wakeup */
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return 0;
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}
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static bool pd_active_wakeup(struct device *dev)
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{
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bool (*active_wakeup)(struct device *dev);
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active_wakeup = dev_gpd_data(dev)->ops.active_wakeup;
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return active_wakeup ? active_wakeup(dev) : true;
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}
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static int sh7372_stop_dev(struct device *dev)
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{
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int (*stop)(struct device *dev);
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stop = dev_gpd_data(dev)->ops.stop;
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if (stop) {
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int ret = stop(dev);
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if (ret)
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return ret;
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}
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return pm_clk_suspend(dev);
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}
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static int sh7372_start_dev(struct device *dev)
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{
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int (*start)(struct device *dev);
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int ret;
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ret = pm_clk_resume(dev);
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if (ret)
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return ret;
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start = dev_gpd_data(dev)->ops.start;
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if (start)
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ret = start(dev);
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return ret;
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}
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void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd)
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{
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struct generic_pm_domain *genpd = &sh7372_pd->genpd;
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struct dev_power_governor *gov = sh7372_pd->gov;
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pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
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genpd->dev_ops.stop = sh7372_stop_dev;
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genpd->dev_ops.start = sh7372_start_dev;
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genpd->dev_ops.active_wakeup = pd_active_wakeup;
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genpd->dev_irq_safe = true;
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genpd->power_off = pd_power_down;
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genpd->power_on = pd_power_up;
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__pd_power_up(sh7372_pd, false);
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}
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void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
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struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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pm_genpd_add_device(&sh7372_pd->genpd, dev);
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if (pm_clk_no_clocks(dev))
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pm_clk_add(dev, NULL);
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}
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void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd,
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struct sh7372_pm_domain *sh7372_sd)
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{
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pm_genpd_add_subdomain(&sh7372_pd->genpd, &sh7372_sd->genpd);
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}
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struct sh7372_pm_domain sh7372_a4lc = {
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.genpd.name = "A4LC",
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.bit_shift = 1,
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};
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struct sh7372_pm_domain sh7372_a4mp = {
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.genpd.name = "A4MP",
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.bit_shift = 2,
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};
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struct sh7372_pm_domain sh7372_d4 = {
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.genpd.name = "D4",
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.bit_shift = 3,
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};
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struct sh7372_pm_domain sh7372_a4r = {
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.genpd.name = "A4R",
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.bit_shift = 5,
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.suspend = sh7372_a4r_suspend,
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.resume = sh7372_intcs_resume,
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};
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struct sh7372_pm_domain sh7372_a3rv = {
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.genpd.name = "A3RV",
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.bit_shift = 6,
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};
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struct sh7372_pm_domain sh7372_a3ri = {
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.genpd.name = "A3RI",
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.bit_shift = 8,
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};
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static int sh7372_a4s_suspend(void)
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{
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/*
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* The A4S domain contains the CPU core and therefore it should
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* only be turned off if the CPU is in use.
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*/
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return -EBUSY;
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}
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struct sh7372_pm_domain sh7372_a4s = {
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.genpd.name = "A4S",
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.bit_shift = 10,
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.gov = &pm_domain_always_on_gov,
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.no_debug = true,
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.suspend = sh7372_a4s_suspend,
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};
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static int sh7372_a3sp_suspend(void)
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{
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/*
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* Serial consoles make use of SCIF hardware located in A3SP,
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* keep such power domain on if "no_console_suspend" is set.
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*/
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return console_suspend_enabled ? 0 : -EBUSY;
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}
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struct sh7372_pm_domain sh7372_a3sp = {
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.genpd.name = "A3SP",
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.bit_shift = 11,
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.gov = &pm_domain_always_on_gov,
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.no_debug = true,
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.suspend = sh7372_a3sp_suspend,
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};
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struct sh7372_pm_domain sh7372_a3sg = {
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.genpd.name = "A3SG",
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.bit_shift = 13,
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};
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struct rmobile_pm_domain sh7372_pd_a4lc = {
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.genpd.name = "A4LC",
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.bit_shift = 1,
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@ -1001,22 +1001,6 @@ static struct platform_device *sh7372_late_devices[] __initdata = {
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void __init sh7372_add_standard_devices(void)
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{
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sh7372_init_pm_domain(&sh7372_a4lc);
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sh7372_init_pm_domain(&sh7372_a4mp);
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sh7372_init_pm_domain(&sh7372_d4);
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sh7372_init_pm_domain(&sh7372_a4r);
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sh7372_init_pm_domain(&sh7372_a3rv);
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sh7372_init_pm_domain(&sh7372_a3ri);
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sh7372_init_pm_domain(&sh7372_a4s);
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sh7372_init_pm_domain(&sh7372_a3sp);
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sh7372_init_pm_domain(&sh7372_a3sg);
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sh7372_pm_add_subdomain(&sh7372_a4lc, &sh7372_a3rv);
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sh7372_pm_add_subdomain(&sh7372_a4r, &sh7372_a4lc);
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sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sg);
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sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sp);
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rmobile_init_pm_domain(&sh7372_pd_a4lc);
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rmobile_init_pm_domain(&sh7372_pd_a4mp);
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rmobile_init_pm_domain(&sh7372_pd_d4);
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@ -1039,31 +1023,6 @@ void __init sh7372_add_standard_devices(void)
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platform_add_devices(sh7372_late_devices,
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ARRAY_SIZE(sh7372_late_devices));
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sh7372_add_device_to_domain(&sh7372_a3rv, &vpu_device);
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sh7372_add_device_to_domain(&sh7372_a4mp, &spu0_device);
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sh7372_add_device_to_domain(&sh7372_a4mp, &spu1_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &scif0_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &scif1_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &scif2_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &scif3_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &scif4_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &scif5_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &scif6_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &iic1_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &dma0_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &dma1_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &dma2_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma0_device);
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sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma1_device);
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sh7372_add_device_to_domain(&sh7372_a4r, &iic0_device);
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sh7372_add_device_to_domain(&sh7372_a4r, &veu0_device);
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sh7372_add_device_to_domain(&sh7372_a4r, &veu1_device);
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sh7372_add_device_to_domain(&sh7372_a4r, &veu2_device);
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sh7372_add_device_to_domain(&sh7372_a4r, &veu3_device);
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sh7372_add_device_to_domain(&sh7372_a4r, &jpu_device);
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sh7372_add_device_to_domain(&sh7372_a4r, &tmu00_device);
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sh7372_add_device_to_domain(&sh7372_a4r, &tmu01_device);
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rmobile_add_device_to_domain(&sh7372_pd_a3rv, &vpu_device);
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rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu0_device);
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rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu1_device);
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