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ARM: shmobile: sh7372: completely switch over to using pm-rmobile API
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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>
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Kuninori Morimoto authored and Rafael J. Wysocki committed Jul 6, 2012
1 parent c99cc71 commit 3aa99a3
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36 changes: 0 additions & 36 deletions arch/arm/mach-shmobile/include/mach/sh7372.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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);
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221 changes: 0 additions & 221 deletions arch/arm/mach-shmobile/pm-sh7372.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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,
Expand Down
41 changes: 0 additions & 41 deletions arch/arm/mach-shmobile/setup-sh7372.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand All @@ -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);
Expand Down

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