diff options
| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
| commit | 12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch) | |
| tree | f91479a62805619168994fd3ee55e3ffa23fc24e /arch/arm/mach-at91/pm.h | |
| parent | 9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff) | |
| parent | f722406faae2d073cc1d01063d1123c35425939e (diff) | |
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1
* tag 'v3.10-rc1': (12273 commits)
Linux 3.10-rc1
[SCSI] qla2xxx: Update firmware link in Kconfig file.
[SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used
[SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
[SCSI] pm80xx: thermal, sas controller config and error handling update
[SCSI] pm80xx: NCQ error handling changes
[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers
[SCSI] pm80xx: Changed module name and debug messages update
[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it
[SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone
[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files
[SCSI] pm80xx: MSI-X implementation for using 64 interrupts
[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
[SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC
[SCSI] lpfc: fix up Kconfig dependencies
[SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd
dm cache: set config value
dm cache: move config fns
dm thin: generate event when metadata threshold passed
...
Diffstat (limited to 'arch/arm/mach-at91/pm.h')
| -rw-r--r-- | arch/arm/mach-at91/pm.h | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h index 38f467c6b71..2f5908f0b8c 100644 --- a/arch/arm/mach-at91/pm.h +++ b/arch/arm/mach-at91/pm.h @@ -70,13 +70,31 @@ static inline void at91sam9g45_standby(void) at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1); } -#ifdef CONFIG_SOC_AT91SAM9263 -/* - * FIXME either or both the SDRAM controllers (EB0, EB1) might be in use; - * handle those cases both here and in the Suspend-To-RAM support. +/* We manage both DDRAM/SDRAM controllers, we need more than one value to + * remember. */ -#warning Assuming EB1 SDRAM controller is *NOT* used -#endif +static inline void at91sam9263_standby(void) +{ + u32 lpr0, lpr1; + u32 saved_lpr0, saved_lpr1; + + saved_lpr1 = at91_ramc_read(1, AT91_SDRAMC_LPR); + lpr1 = saved_lpr1 & ~AT91_SDRAMC_LPCB; + lpr1 |= AT91_SDRAMC_LPCB_SELF_REFRESH; + + saved_lpr0 = at91_ramc_read(0, AT91_SDRAMC_LPR); + lpr0 = saved_lpr0 & ~AT91_SDRAMC_LPCB; + lpr0 |= AT91_SDRAMC_LPCB_SELF_REFRESH; + + /* self-refresh mode now */ + at91_ramc_write(0, AT91_SDRAMC_LPR, lpr0); + at91_ramc_write(1, AT91_SDRAMC_LPR, lpr1); + + cpu_do_idle(); + + at91_ramc_write(0, AT91_SDRAMC_LPR, saved_lpr0); + at91_ramc_write(1, AT91_SDRAMC_LPR, saved_lpr1); +} static inline void at91sam9_standby(void) { |