From: Rajashekhara, Sudhakar sudhakar.raj@ti.com
AHCLKR/UART1_RTS/GP0[11] pin needs to be configured for MMC and NOR to work on DA850/OMAP-L138 Rev.3 EVM. When GP0[11] is low, the SD0 interface will not work, but NOR flash will. When GP0[11] is high, SD0 will work but NOR flash will not.
Signed-off-by: Rajashekhara, Sudhakar sudhakar.raj@ti.com Signed-off-by: Lad, Prabhakar prabhakar.lad@ti.com Signed-off-by: Hadli, Manjunath manjunath.hadli@ti.com --- board/davinci/da8xxevm/da850evm.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c index 88337ff..0d75b84 100644 --- a/board/davinci/da8xxevm/da850evm.c +++ b/board/davinci/da8xxevm/da850evm.c @@ -335,7 +335,7 @@ int board_early_init_f(void)
int board_init(void) { -#ifdef CONFIG_USE_NOR +#if defined(CONFIG_USE_NOR) || defined(CONFIG_DAVINCI_MMC) u32 val; #endif
@@ -386,6 +386,16 @@ int board_init(void) writel(val, GPIO_BANK0_REG_CLR_ADDR); #endif
+#ifdef CONFIG_DAVINCI_MMC + /* Set the GPIO direction as output */ + clrbits_be32((u32 *)GPIO_BANK0_REG_DIR_ADDR, (0x01 << 11)); + + /* Set the output as high */ + val = readl(GPIO_BANK0_REG_SET_ADDR); + val |= (0x01 << 11); + writel(val, GPIO_BANK0_REG_SET_ADDR); +#endif + #ifdef CONFIG_DRIVER_TI_EMAC davinci_emac_mii_mode_sel(HAS_RMII); #endif /* CONFIG_DRIVER_TI_EMAC */