#include <linux/percpu.h>
#include <linux/clockchips.h>
#include <linux/completion.h>
+ #include <linux/cpufreq.h>
#include <linux/atomic.h>
+#include <asm/smp.h>
#include <asm/cacheflush.h>
#include <asm/cpu.h>
#include <asm/cputype.h>
};
-#define GPIO_PORT9CR 0xE6051009
-#define GPIO_PORT10CR 0xE605100A
-#define USCCR1 0xE6058144
+#define GPIO_PORT9CR IOMEM(0xE6051009)
+#define GPIO_PORT10CR IOMEM(0xE605100A)
+#define USCCR1 IOMEM(0xE6058144)
static void __init ap4evb_init(void)
{
+ struct pm_domain_device domain_devices[] = {
+ { "A4LC", &lcdc1_device, },
+ { "A4LC", &lcdc_device, },
+ { "A4MP", &fsi_device, },
+ { "A3SP", &sh_mmcif_device, },
+ { "A3SP", &sdhi0_device, },
+ { "A3SP", &sdhi1_device, },
+ { "A4R", &ceu_device, },
+ };
u32 srcr4;
struct clk *clk;
},
};
-#define GPIO_PORT9CR 0xE6051009
-#define GPIO_PORT10CR 0xE605100A
-#define GPIO_PORT167CR 0xE60520A7
-#define GPIO_PORT168CR 0xE60520A8
-#define SRCR4 0xe61580bc
-#define USCCR1 0xE6058144
+#define GPIO_PORT9CR IOMEM(0xE6051009)
+#define GPIO_PORT10CR IOMEM(0xE605100A)
+#define GPIO_PORT167CR IOMEM(0xE60520A7)
+#define GPIO_PORT168CR IOMEM(0xE60520A8)
+#define SRCR4 IOMEM(0xe61580bc)
+#define USCCR1 IOMEM(0xE6058144)
static void __init mackerel_init(void)
{
+ struct pm_domain_device domain_devices[] = {
+ { "A4LC", &lcdc_device, },
+ { "A4LC", &hdmi_lcdc_device, },
+ { "A4LC", &meram_device, },
+ { "A4MP", &fsi_device, },
+ { "A3SP", &usbhs0_device, },
+ { "A3SP", &usbhs1_device, },
+ { "A3SP", &nand_flash_device, },
+ { "A3SP", &sh_mmcif_device, },
+ { "A3SP", &sdhi0_device, },
+ #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
+ { "A3SP", &sdhi1_device, },
+ #endif
+ { "A3SP", &sdhi2_device, },
+ { "A4R", &ceu_device, },
+ };
u32 srcr4;
struct clk *clk;
extern void r8a7779_pm_init(void);
extern void r8a7740_meram_workaround(void);
-extern unsigned int r8a7779_get_core_count(void);
-extern int r8a7779_platform_cpu_kill(unsigned int cpu);
-extern void r8a7779_secondary_init(unsigned int cpu);
-extern int r8a7779_boot_secondary(unsigned int cpu);
-extern void r8a7779_smp_prepare_cpus(void);
extern void r8a7779_register_twd(void);
- extern void shmobile_init_late(void);
-
#ifdef CONFIG_SUSPEND
int shmobile_suspend_init(void);
#else
static inline int shmobile_cpuidle_init(void) { return 0; }
#endif
+extern void shmobile_cpu_die(unsigned int cpu);
+extern int shmobile_cpu_disable(unsigned int cpu);
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern int shmobile_cpu_is_dead(unsigned int cpu);
+#else
+static inline int shmobile_cpu_is_dead(unsigned int cpu) { return 1; }
+#endif
+
+extern void shmobile_smp_init_cpus(unsigned int ncores);
+
+ static inline void shmobile_init_late(void)
+ {
+ shmobile_suspend_init();
+ shmobile_cpuidle_init();
+ }
+
#endif /* __ARCH_MACH_COMMON_H */
extern int r8a7779_sysc_power_up(struct r8a7779_pm_ch *r8a7779_ch);
#ifdef CONFIG_PM
- extern struct r8a7779_pm_domain r8a7779_sh4a;
- extern struct r8a7779_pm_domain r8a7779_sgx;
- extern struct r8a7779_pm_domain r8a7779_vdp1;
- extern struct r8a7779_pm_domain r8a7779_impx3;
-
- extern void r8a7779_init_pm_domain(struct r8a7779_pm_domain *r8a7779_pd);
- extern void r8a7779_add_device_to_domain(struct r8a7779_pm_domain *r8a7779_pd,
- struct platform_device *pdev);
+ extern void __init r8a7779_init_pm_domains(void);
#else
- #define r8a7779_init_pm_domain(pd) do { } while (0)
- #define r8a7779_add_device_to_domain(pd, pdev) do { } while (0)
+ static inline void r8a7779_init_pm_domains(void) {}
#endif /* CONFIG_PM */
+extern struct smp_operations r8a7779_smp_ops;
+
#endif /* __ASM_R8A7779_H__ */
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
+#include <linux/idr.h>
#include "base.h"
+ #include "power/power.h"
+/* For automatically allocated device IDs */
+static DEFINE_IDA(platform_devid_ida);
+
#define to_platform_driver(drv) (container_of((drv), struct platform_driver, \
driver))
return res;
}
- /* Take a frequency, and issue the hardware pstate transition command */
- static int transition_frequency_pstate(struct powernow_k8_data *data,
- unsigned int index)
- {
- u32 pstate = 0;
- int res, i;
- struct cpufreq_freqs freqs;
-
- pr_debug("cpu %d transition to index %u\n", smp_processor_id(), index);
-
- /* get MSR index for hardware pstate transition */
- pstate = index & HW_PSTATE_MASK;
- if (pstate > data->max_hw_pstate)
- return -EINVAL;
-
- freqs.old = find_khz_freq_from_pstate(data->powernow_table,
- data->currpstate);
- freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);
-
- for_each_cpu(i, data->available_cores) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- }
-
- res = transition_pstate(data, pstate);
- freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);
-
- for_each_cpu(i, data->available_cores) {
- freqs.cpu = i;
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- }
- return res;
- }
-
-/* Driver entry point to switch to the target frequency */
-static int powernowk8_target(struct cpufreq_policy *pol,
- unsigned targfreq, unsigned relation)
+struct powernowk8_target_arg {
+ struct cpufreq_policy *pol;
+ unsigned targfreq;
+ unsigned relation;
+};
+
+static long powernowk8_target_fn(void *arg)
{
- cpumask_var_t oldmask;
+ struct powernowk8_target_arg *pta = arg;
+ struct cpufreq_policy *pol = pta->pol;
+ unsigned targfreq = pta->targfreq;
+ unsigned relation = pta->relation;
struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
u32 checkfid;
u32 checkvid;
pol->cpu, targfreq, pol->min, pol->max, relation);
if (query_current_values_with_pending_wait(data))
- goto err_out;
+ return -EIO;
- if (cpu_family != CPU_HW_PSTATE) {
- pr_debug("targ: curr fid 0x%x, vid 0x%x\n",
- data->currfid, data->currvid);
+ pr_debug("targ: curr fid 0x%x, vid 0x%x\n",
+ data->currfid, data->currvid);
- if ((checkvid != data->currvid) ||
- (checkfid != data->currfid)) {
- printk(KERN_INFO PFX
- "error - out of sync, fix 0x%x 0x%x, "
- "vid 0x%x 0x%x\n",
- checkfid, data->currfid,
- checkvid, data->currvid);
- }
+ if ((checkvid != data->currvid) ||
+ (checkfid != data->currfid)) {
+ pr_info(PFX
+ "error - out of sync, fix 0x%x 0x%x, vid 0x%x 0x%x\n",
+ checkfid, data->currfid,
+ checkvid, data->currvid);
}
if (cpufreq_frequency_table_target(pol, data->powernow_table,
powernow_k8_acpi_pst_values(data, newstate);
- if (cpu_family == CPU_HW_PSTATE)
- ret = transition_frequency_pstate(data,
- data->powernow_table[newstate].index);
- else
- ret = transition_frequency_fidvid(data, newstate);
+ ret = transition_frequency_fidvid(data, newstate);
+
if (ret) {
printk(KERN_ERR PFX "transition frequency failed\n");
- ret = 1;
mutex_unlock(&fidvid_mutex);
- goto err_out;
+ return 1;
}
mutex_unlock(&fidvid_mutex);
- if (cpu_family == CPU_HW_PSTATE)
- pol->cur = find_khz_freq_from_pstate(data->powernow_table,
- data->powernow_table[newstate].index);
- else
- pol->cur = find_khz_freq_from_fid(data->currfid);
+ pol->cur = find_khz_freq_from_fid(data->currfid);
- ret = 0;
-err_out:
- set_cpus_allowed_ptr(current, oldmask);
- free_cpumask_var(oldmask);
- return ret;
+ return 0;
+}
+
+/* Driver entry point to switch to the target frequency */
+static int powernowk8_target(struct cpufreq_policy *pol,
+ unsigned targfreq, unsigned relation)
+{
+ struct powernowk8_target_arg pta = { .pol = pol, .targfreq = targfreq,
+ .relation = relation };
+
+ /*
+ * Must run on @pol->cpu. cpufreq core is responsible for ensuring
+ * that we're bound to the current CPU and pol->cpu stays online.
+ */
+ if (smp_processor_id() == pol->cpu)
+ return powernowk8_target_fn(&pta);
+ else
+ return work_on_cpu(pol->cpu, powernowk8_target_fn, &pta);
}
/* Driver entry point to verify the policy and range of frequencies */
projects / karo-tx-linux.git / commitdiff