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| author |   Steven Miao <realmz6@gmail.com> | 2012-05-16 18:26:10 +0800 |
|---|---|---|
| committer |   Bob Liu <lliubbo@gmail.com> | 2012-05-21 14:54:24 +0800 |
| commit | 93f89519fd31c21e5d606faf4091f5905db38412 (patch) | |
| tree | 642d8605e14281e8f69a54e2130a7898754289ba /arch/blackfin/mach-common/pm.c | |
| parent | blackfin: bf60x: add l2 ecc irq handler (diff) | |
| download | linux-dev-93f89519fd31c21e5d606faf4091f5905db38412.tar.xz linux-dev-93f89519fd31c21e5d606faf4091f5905db38412.zip | |
blackfin: bf60x: add power management support
Add bf60x cpu pm callbacks and change blackfin pm framework to support bf60x.
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/blackfin/mach-common/pm.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c index 3c648a077e75..c25c2f1c819c 100644 --- a/arch/blackfin/mach-common/pm.c +++ b/arch/blackfin/mach-common/pm.c @@ -19,20 +19,33 @@ #include <asm/gpio.h> #include <asm/dma.h> #include <asm/dpmc.h> +#include <asm/pm.h> +#ifdef CONFIG_BF60x +struct bfin_cpu_pm_fns *bfin_cpu_pm; +#endif void bfin_pm_suspend_standby_enter(void) { +#ifndef CONFIG_BF60x bfin_pm_standby_setup(); +#endif -#ifdef CONFIG_PM_BFIN_SLEEP_DEEPER - sleep_deeper(bfin_sic_iwr[0], bfin_sic_iwr[1], bfin_sic_iwr[2]); +#ifdef CONFIG_BF60x + bfin_cpu_pm->enter(PM_SUSPEND_STANDBY); #else +# ifdef CONFIG_PM_BFIN_SLEEP_DEEPER + sleep_deeper(bfin_sic_iwr[0], bfin_sic_iwr[1], bfin_sic_iwr[2]); +# else sleep_mode(bfin_sic_iwr[0], bfin_sic_iwr[1], bfin_sic_iwr[2]); +# endif #endif +#ifndef CONFIG_BF60x bfin_pm_standby_restore(); +#endif +#ifndef CONFIG_BF60x #ifdef SIC_IWR0 bfin_write_SIC_IWR0(IWR_DISABLE_ALL); # ifdef SIC_IWR1 @@ -52,6 +65,8 @@ void bfin_pm_suspend_standby_enter(void) #else bfin_write_SIC_IWR(IWR_DISABLE_ALL); #endif + +#endif } int bf53x_suspend_l1_mem(unsigned char *memptr) @@ -83,10 +98,13 @@ int bf53x_resume_l1_mem(unsigned char *memptr) } #if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK) +# ifdef CONFIG_BF60x +__attribute__((l1_text)) +# endif static void flushinv_all_dcache(void) { - u32 way, bank, subbank, set; - u32 status, addr; + register u32 way, bank, subbank, set; + register u32 status, addr; u32 dmem_ctl = bfin_read_DMEM_CONTROL(); for (bank = 0; bank < 2; ++bank) { @@ -133,7 +151,11 @@ int bfin_pm_suspend_mem_enter(void) return -ENOMEM; } +#ifndef CONFIG_BF60x wakeup = bfin_read_VR_CTL() & ~FREQ; +#else + +#endif wakeup |= SCKELOW; #ifdef CONFIG_PM_BFIN_WAKE_PH6 @@ -159,7 +181,11 @@ int bfin_pm_suspend_mem_enter(void) _disable_icplb(); bf53x_suspend_l1_mem(memptr); +#ifndef CONFIG_BF60x do_hibernate(wakeup | vr_wakeup); /* See you later! */ +#else + bfin_cpu_pm->enter(PM_SUSPEND_MEM); +#endif bf53x_resume_l1_mem(memptr); |