diff options
Diffstat (limited to 'arch/arm/mach-highbank')
-rw-r--r-- | arch/arm/mach-highbank/highbank.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-highbank/hotplug.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-highbank/platsmp.c | 12 | ||||
-rw-r--r-- | arch/arm/mach-highbank/pm.c | 19 | ||||
-rw-r--r-- | arch/arm/mach-highbank/sysregs.h | 23 | ||||
-rw-r--r-- | arch/arm/mach-highbank/system.c | 4 |
6 files changed, 42 insertions, 20 deletions
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index dc248167d206..981dc1e1da51 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c | |||
@@ -135,7 +135,7 @@ static struct sys_timer highbank_timer = { | |||
135 | 135 | ||
136 | static void highbank_power_off(void) | 136 | static void highbank_power_off(void) |
137 | { | 137 | { |
138 | hignbank_set_pwr_shutdown(); | 138 | highbank_set_pwr_shutdown(); |
139 | 139 | ||
140 | while (1) | 140 | while (1) |
141 | cpu_do_idle(); | 141 | cpu_do_idle(); |
diff --git a/arch/arm/mach-highbank/hotplug.c b/arch/arm/mach-highbank/hotplug.c index 7b60faccd551..f30c52843396 100644 --- a/arch/arm/mach-highbank/hotplug.c +++ b/arch/arm/mach-highbank/hotplug.c | |||
@@ -30,7 +30,7 @@ void __ref highbank_cpu_die(unsigned int cpu) | |||
30 | { | 30 | { |
31 | flush_cache_all(); | 31 | flush_cache_all(); |
32 | 32 | ||
33 | highbank_set_cpu_jump(cpu, secondary_startup); | 33 | highbank_set_cpu_jump(cpu, phys_to_virt(0)); |
34 | highbank_set_core_pwr(); | 34 | highbank_set_core_pwr(); |
35 | 35 | ||
36 | cpu_do_idle(); | 36 | cpu_do_idle(); |
diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c index 1129957f6c1d..4ecc864ac8b9 100644 --- a/arch/arm/mach-highbank/platsmp.c +++ b/arch/arm/mach-highbank/platsmp.c | |||
@@ -32,6 +32,7 @@ static void __cpuinit highbank_secondary_init(unsigned int cpu) | |||
32 | 32 | ||
33 | static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struct *idle) | 33 | static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struct *idle) |
34 | { | 34 | { |
35 | highbank_set_cpu_jump(cpu, secondary_startup); | ||
35 | gic_raise_softirq(cpumask_of(cpu), 0); | 36 | gic_raise_softirq(cpumask_of(cpu), 0); |
36 | return 0; | 37 | return 0; |
37 | } | 38 | } |
@@ -61,19 +62,8 @@ static void __init highbank_smp_init_cpus(void) | |||
61 | 62 | ||
62 | static void __init highbank_smp_prepare_cpus(unsigned int max_cpus) | 63 | static void __init highbank_smp_prepare_cpus(unsigned int max_cpus) |
63 | { | 64 | { |
64 | int i; | ||
65 | |||
66 | if (scu_base_addr) | 65 | if (scu_base_addr) |
67 | scu_enable(scu_base_addr); | 66 | scu_enable(scu_base_addr); |
68 | |||
69 | /* | ||
70 | * Write the address of secondary startup into the jump table | ||
71 | * The cores are in wfi and wait until they receive a soft interrupt | ||
72 | * and a non-zero value to jump to. Then the secondary CPU branches | ||
73 | * to this address. | ||
74 | */ | ||
75 | for (i = 1; i < max_cpus; i++) | ||
76 | highbank_set_cpu_jump(i, secondary_startup); | ||
77 | } | 67 | } |
78 | 68 | ||
79 | struct smp_operations highbank_smp_ops __initdata = { | 69 | struct smp_operations highbank_smp_ops __initdata = { |
diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c index 74aa135966f0..04eddb4f4380 100644 --- a/arch/arm/mach-highbank/pm.c +++ b/arch/arm/mach-highbank/pm.c | |||
@@ -14,10 +14,12 @@ | |||
14 | * this program. If not, see <http://www.gnu.org/licenses/>. | 14 | * this program. If not, see <http://www.gnu.org/licenses/>. |
15 | */ | 15 | */ |
16 | 16 | ||
17 | #include <linux/cpu_pm.h> | ||
17 | #include <linux/init.h> | 18 | #include <linux/init.h> |
18 | #include <linux/io.h> | 19 | #include <linux/io.h> |
19 | #include <linux/suspend.h> | 20 | #include <linux/suspend.h> |
20 | 21 | ||
22 | #include <asm/cacheflush.h> | ||
21 | #include <asm/proc-fns.h> | 23 | #include <asm/proc-fns.h> |
22 | #include <asm/suspend.h> | 24 | #include <asm/suspend.h> |
23 | 25 | ||
@@ -26,16 +28,31 @@ | |||
26 | 28 | ||
27 | static int highbank_suspend_finish(unsigned long val) | 29 | static int highbank_suspend_finish(unsigned long val) |
28 | { | 30 | { |
31 | outer_flush_all(); | ||
32 | outer_disable(); | ||
33 | |||
34 | highbank_set_pwr_suspend(); | ||
35 | |||
29 | cpu_do_idle(); | 36 | cpu_do_idle(); |
37 | |||
38 | highbank_clear_pwr_request(); | ||
30 | return 0; | 39 | return 0; |
31 | } | 40 | } |
32 | 41 | ||
33 | static int highbank_pm_enter(suspend_state_t state) | 42 | static int highbank_pm_enter(suspend_state_t state) |
34 | { | 43 | { |
35 | hignbank_set_pwr_suspend(); | 44 | cpu_pm_enter(); |
45 | cpu_cluster_pm_enter(); | ||
46 | |||
36 | highbank_set_cpu_jump(0, cpu_resume); | 47 | highbank_set_cpu_jump(0, cpu_resume); |
37 | cpu_suspend(0, highbank_suspend_finish); | 48 | cpu_suspend(0, highbank_suspend_finish); |
38 | 49 | ||
50 | cpu_cluster_pm_exit(); | ||
51 | cpu_pm_exit(); | ||
52 | |||
53 | highbank_smc1(0x102, 0x1); | ||
54 | if (scu_base_addr) | ||
55 | scu_enable(scu_base_addr); | ||
39 | return 0; | 56 | return 0; |
40 | } | 57 | } |
41 | 58 | ||
diff --git a/arch/arm/mach-highbank/sysregs.h b/arch/arm/mach-highbank/sysregs.h index e13e8ea7c6cb..70af9d13fcef 100644 --- a/arch/arm/mach-highbank/sysregs.h +++ b/arch/arm/mach-highbank/sysregs.h | |||
@@ -44,28 +44,43 @@ static inline void highbank_set_core_pwr(void) | |||
44 | writel_relaxed(1, sregs_base + SREG_CPU_PWR_CTRL(cpu)); | 44 | writel_relaxed(1, sregs_base + SREG_CPU_PWR_CTRL(cpu)); |
45 | } | 45 | } |
46 | 46 | ||
47 | static inline void hignbank_set_pwr_suspend(void) | 47 | static inline void highbank_clear_core_pwr(void) |
48 | { | ||
49 | int cpu = cpu_logical_map(smp_processor_id()); | ||
50 | if (scu_base_addr) | ||
51 | scu_power_mode(scu_base_addr, SCU_PM_NORMAL); | ||
52 | else | ||
53 | writel_relaxed(0, sregs_base + SREG_CPU_PWR_CTRL(cpu)); | ||
54 | } | ||
55 | |||
56 | static inline void highbank_set_pwr_suspend(void) | ||
48 | { | 57 | { |
49 | writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ); | 58 | writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ); |
50 | highbank_set_core_pwr(); | 59 | highbank_set_core_pwr(); |
51 | } | 60 | } |
52 | 61 | ||
53 | static inline void hignbank_set_pwr_shutdown(void) | 62 | static inline void highbank_set_pwr_shutdown(void) |
54 | { | 63 | { |
55 | writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ); | 64 | writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ); |
56 | highbank_set_core_pwr(); | 65 | highbank_set_core_pwr(); |
57 | } | 66 | } |
58 | 67 | ||
59 | static inline void hignbank_set_pwr_soft_reset(void) | 68 | static inline void highbank_set_pwr_soft_reset(void) |
60 | { | 69 | { |
61 | writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ); | 70 | writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ); |
62 | highbank_set_core_pwr(); | 71 | highbank_set_core_pwr(); |
63 | } | 72 | } |
64 | 73 | ||
65 | static inline void hignbank_set_pwr_hard_reset(void) | 74 | static inline void highbank_set_pwr_hard_reset(void) |
66 | { | 75 | { |
67 | writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ); | 76 | writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ); |
68 | highbank_set_core_pwr(); | 77 | highbank_set_core_pwr(); |
69 | } | 78 | } |
70 | 79 | ||
80 | static inline void highbank_clear_pwr_request(void) | ||
81 | { | ||
82 | writel(~0UL, sregs_base + HB_SREG_A9_PWR_REQ); | ||
83 | highbank_clear_core_pwr(); | ||
84 | } | ||
85 | |||
71 | #endif | 86 | #endif |
diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c index aed96ad9bd4a..37d8384dcf19 100644 --- a/arch/arm/mach-highbank/system.c +++ b/arch/arm/mach-highbank/system.c | |||
@@ -22,9 +22,9 @@ | |||
22 | void highbank_restart(char mode, const char *cmd) | 22 | void highbank_restart(char mode, const char *cmd) |
23 | { | 23 | { |
24 | if (mode == 'h') | 24 | if (mode == 'h') |
25 | hignbank_set_pwr_hard_reset(); | 25 | highbank_set_pwr_hard_reset(); |
26 | else | 26 | else |
27 | hignbank_set_pwr_soft_reset(); | 27 | highbank_set_pwr_soft_reset(); |
28 | 28 | ||
29 | while (1) | 29 | while (1) |
30 | cpu_do_idle(); | 30 | cpu_do_idle(); |