[U-Boot] [PATCH v3 2/9] da850/omap-l138: modifications for Logic PD Rev.3 AM18xx EVM
Prabhakar Lad
prabhakar.lad at ti.com
Thu Jun 21 09:51:24 CEST 2012
From: Rajashekhara, Sudhakar <sudhakar.raj at 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 at ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.lad at ti.com>
Signed-off-by: Hadli, Manjunath <manjunath.hadli at 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 */
--
1.7.4.1
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