[U-Boot] [PATCH v3 3/7] tegra: Add NAND support to funcmux

Simon Glass
2012-04-17T18:50:10Z

Add selection of NAND flash pins to the funcmux.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
---

arch/arm/cpu/armv7/tegra2/funcmux.c | 7 +++++++
arch/arm/include/asm/arch-tegra2/funcmux.h | 3 +++
2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/arch/arm/cpu/armv7/tegra2/funcmux.c b/arch/arm/cpu/armv7/tegra2/funcmux.c
index c1d2dfe..8931d5e 100644
--- a/arch/arm/cpu/armv7/tegra2/funcmux.c
+++ b/arch/arm/cpu/armv7/tegra2/funcmux.c
@@ -169,6 +169,13 @@ int funcmux_select(enum periph_id id, int config)
}
break;

+ case PERIPH_ID_NDFLASH:
+ if (config == FUNCMUX_NDFLASH_ATC) {
+ pinmux_set_func(PINGRP_ATC, PMUX_FUNC_NAND);
+ pinmux_tristate_disable(PINGRP_ATC);
+ }
+ break;
+
default:
debug("%s: invalid periph_id %d", __func__, id);
return -1;
diff --git a/arch/arm/include/asm/arch-tegra2/funcmux.h b/arch/arm/include/asm/arch-tegra2/funcmux.h
index ae73c72..9419522 100644
--- a/arch/arm/include/asm/arch-tegra2/funcmux.h
+++ b/arch/arm/include/asm/arch-tegra2/funcmux.h
@@ -47,6 +47,9 @@ enum {
FUNCMUX_SDMMC4_ATC_ATD_8BIT = 0,
FUNCMUX_SDMMC4_ATB_GMA_4_BIT,
FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT,
+
+ /* NAND flags */
+ FUNCMUX_NDFLASH_ATC = 0,
};

/**
--
1.7.7.3