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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-11-13 22:13:16 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-11-16 15:33:10 +0100 |
| commit | 7fd15d219f6de3194f177bf72b77bd7fb69d3435 (patch) | |
| tree | 93483b351d30e48d70617b85b572bdacca087e11 /arch | |
| parent | aac938482ffd5ab21fc0c9a772e4920c38defe00 (diff) | |
| download | barebox-7fd15d219f6de3194f177bf72b77bd7fb69d3435.tar.gz barebox-7fd15d219f6de3194f177bf72b77bd7fb69d3435.tar.xz | |
at91sam9: add detection of low power sdram
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91sam9_sdramc.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91sam9_sdramc.h b/arch/arm/mach-at91/include/mach/at91sam9_sdramc.h index 1ab61e918b..971a7728dc 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9_sdramc.h +++ b/arch/arm/mach-at91/include/mach/at91sam9_sdramc.h @@ -110,6 +110,11 @@ static inline u32 at91_get_sdram_size(void) return size; } + +static inline bool at91_is_low_power_sdram(void) +{ + return at91_sys_read(AT91_SDRAMC_MDR) & AT91_SDRAMC_MD_LOW_POWER_SDRAM; +} #endif #endif |