diff options
Diffstat (limited to 'arch/arm/mach-pxa/pxa25x.c')
-rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index f0eda2094494..25d17a1dab78 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -36,6 +36,12 @@ #include "devices.h" #include "clock.h" +int cpu_is_pxa26x(void) +{ + return cpu_is_pxa250() && ((BOOT_DEF & 0x8) == 0); +} +EXPORT_SYMBOL_GPL(cpu_is_pxa26x); + /* * Various clock factors driven by the CCCR register. */ @@ -218,9 +224,6 @@ static void pxa25x_cpu_pm_save(unsigned long *sleep_save) static void pxa25x_cpu_pm_restore(unsigned long *sleep_save) { - /* ensure not to come back here if it wasn't intended */ - PSPR = 0; - RESTORE(CKEN); RESTORE(PSTR); } @@ -232,19 +235,32 @@ static void pxa25x_cpu_pm_enter(suspend_state_t state) switch (state) { case PM_SUSPEND_MEM: - /* set resume return address */ - PSPR = virt_to_phys(pxa_cpu_resume); pxa25x_cpu_suspend(PWRMODE_SLEEP); break; } } +static int pxa25x_cpu_pm_prepare(void) +{ + /* set resume return address */ + PSPR = virt_to_phys(pxa_cpu_resume); + return 0; +} + +static void pxa25x_cpu_pm_finish(void) +{ + /* ensure not to come back here if it wasn't intended */ + PSPR = 0; +} + static struct pxa_cpu_pm_fns pxa25x_cpu_pm_fns = { .save_count = SLEEP_SAVE_COUNT, .valid = suspend_valid_only_mem, .save = pxa25x_cpu_pm_save, .restore = pxa25x_cpu_pm_restore, .enter = pxa25x_cpu_pm_enter, + .prepare = pxa25x_cpu_pm_prepare, + .finish = pxa25x_cpu_pm_finish, }; static void __init pxa25x_init_pm(void) @@ -316,11 +332,7 @@ static int __init pxa25x_init(void) { int i, ret = 0; - /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ - if (cpu_is_pxa255()) - clks_register(&pxa25x_hwuart_clk, 1); - - if (cpu_is_pxa21x() || cpu_is_pxa25x()) { + if (cpu_is_pxa25x()) { reset_status = RCSR; @@ -343,9 +355,11 @@ static int __init pxa25x_init(void) return ret; } - /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ - if (cpu_is_pxa255()) + /* Only add HWUART for PXA255/26x; PXA210/250 do not have it. */ + if (cpu_is_pxa255() || cpu_is_pxa26x()) { + clks_register(&pxa25x_hwuart_clk, 1); ret = platform_device_register(&pxa_device_hwuart); + } return ret; } |