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| author | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:08:42 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:08:42 -0700 |
| commit | 7203781c98ad9147564d327de6f6513ad8fc0f4e (patch) | |
| tree | 5c29a2a04a626bf08a0d56fd8a0068b3c92ad284 /arch/blackfin/mach-common/pm.c | |
| parent | 671eef85a3e885dff4ce210d8774ad50a91d5967 (diff) | |
| parent | af2e1f276ff08f17192411ea3b71c13a758dfe12 (diff) | |
| download | talos-obmc-linux-7203781c98ad9147564d327de6f6513ad8fc0f4e.tar.gz talos-obmc-linux-7203781c98ad9147564d327de6f6513ad8fc0f4e.zip | |
Merge branch 'x86/cpu' into x86/core
Conflicts:
arch/x86/kernel/cpu/feature_names.c
include/asm-x86/cpufeature.h
Diffstat (limited to 'arch/blackfin/mach-common/pm.c')
| -rw-r--r-- | arch/blackfin/mach-common/pm.c | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c index 4fe6a2366b13..e28c6af1f415 100644 --- a/arch/blackfin/mach-common/pm.c +++ b/arch/blackfin/mach-common/pm.c @@ -83,13 +83,22 @@ void bfin_pm_suspend_standby_enter(void) bfin_pm_standby_restore(); #if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) - bfin_write_SIC_IWR0(IWR_ENABLE_ALL); - bfin_write_SIC_IWR1(IWR_ENABLE_ALL); + bfin_write_SIC_IWR0(IWR_DISABLE_ALL); +#if defined(CONFIG_BF52x) + /* BF52x system reset does not properly reset SIC_IWR1 which + * will screw up the bootrom as it relies on MDMA0/1 waking it + * up from IDLE instructions. See this report for more info: + * http://blackfin.uclinux.org/gf/tracker/4323 + */ + bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11)); +#else + bfin_write_SIC_IWR1(IWR_DISABLE_ALL); +#endif # ifdef CONFIG_BF54x - bfin_write_SIC_IWR2(IWR_ENABLE_ALL); + bfin_write_SIC_IWR2(IWR_DISABLE_ALL); # endif #else - bfin_write_SIC_IWR(IWR_ENABLE_ALL); + bfin_write_SIC_IWR(IWR_DISABLE_ALL); #endif local_irq_restore(flags); @@ -229,28 +238,12 @@ int bfin_pm_suspend_mem_enter(void) wakeup = bfin_read_VR_CTL() & ~FREQ; wakeup |= SCKELOW; - /* FIXME: merge this somehow with set_irq_wake */ -#ifdef CONFIG_PM_BFIN_WAKE_RTC - wakeup |= WAKE; -#endif #ifdef CONFIG_PM_BFIN_WAKE_PH6 wakeup |= PHYWE; #endif -#ifdef CONFIG_PM_BFIN_WAKE_CAN - wakeup |= CANWE; -#endif #ifdef CONFIG_PM_BFIN_WAKE_GP wakeup |= GPWE; #endif -#ifdef CONFIG_PM_BFIN_WAKE_USB - wakeup |= USBWE; -#endif -#ifdef CONFIG_PM_BFIN_WAKE_KEYPAD - wakeup |= KPADWE; -#endif -#ifdef CONFIG_PM_BFIN_WAKE_ROTARY - wakeup |= ROTWE; -#endif local_irq_save(flags); @@ -268,7 +261,7 @@ int bfin_pm_suspend_mem_enter(void) icache_disable(); bf53x_suspend_l1_mem(memptr); - do_hibernate(wakeup); /* Goodbye */ + do_hibernate(wakeup | vr_wakeup); /* Goodbye */ bf53x_resume_l1_mem(memptr); |
