This patch disables internal pulldowns for all MMC/SD1 pins. Presently only MMCSD1_CMD pin's pull down is disabled, but with this some MMC/SD cards do not get detected on MMC/SD1 slot of the EVM.
The problem was reproducible with SanDisk 4GB SDHC card. Reported-by: Stephane Bovagne <[email protected]> Signed-off-by: Sekhar Nori <[email protected]> --- arch/arm/mach-davinci/devices.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c index 8b7201e..2a9a252 100644 --- a/arch/arm/mach-davinci/devices.c +++ b/arch/arm/mach-davinci/devices.c @@ -213,7 +213,7 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config) IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE + 0x7c); /* Configure pull down control */ - __raw_writel((__raw_readl(pupdctl1) & ~0x400), + __raw_writel((__raw_readl(pupdctl1) & ~0xfc0), pupdctl1); mmcsd1_resources[0].start = DM365_MMCSD1_BASE; -- 1.6.2.4 _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
