[U-Boot] [PATCH 7/7] tegra: Use funcmux for MMC on seaboard

Simon Glass sjg at chromium.org
Mon Jan 9 23:53:33 CET 2012


Use the new funcmux_select() feature to set up the MMC pin mux.

Signed-off-by: Simon Glass <sjg at chromium.org>
---
 board/nvidia/seaboard/seaboard.c |   21 ++++-----------------
 1 files changed, 4 insertions(+), 17 deletions(-)

diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c
index 56acd61..9349f29 100644
--- a/board/nvidia/seaboard/seaboard.c
+++ b/board/nvidia/seaboard/seaboard.c
@@ -24,6 +24,8 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/tegra2.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/mmc.h>
 #include <asm/gpio.h>
@@ -59,23 +61,8 @@ void gpio_config_uart(void)
  */
 static void pin_mux_mmc(void)
 {
-	/* SDMMC4: config 3, x8 on 2nd set of pins */
-	pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
-	pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4);
-	pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4);
-
-	pinmux_tristate_disable(PINGRP_ATB);
-	pinmux_tristate_disable(PINGRP_GMA);
-	pinmux_tristate_disable(PINGRP_GME);
-
-	/* SDMMC3: SDIO3_CLK, SDIO3_CMD, SDIO3_DAT[3:0] */
-	pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3);
-	pinmux_set_func(PINGRP_SDC, PMUX_FUNC_SDIO3);
-	pinmux_set_func(PINGRP_SDD, PMUX_FUNC_SDIO3);
-
-	pinmux_tristate_disable(PINGRP_SDC);
-	pinmux_tristate_disable(PINGRP_SDD);
-	pinmux_tristate_disable(PINGRP_SDB);
+	funcmux_select(PERIPH_ID_SDMMC4, 1, FUNCMUXO_SDMMC_8BIT);
+	funcmux_select(PERIPH_ID_SDMMC3, 0, 0);
 
 	/* For power GPIO PI6 */
 	pinmux_tristate_disable(PINGRP_ATA);
-- 
1.7.3.1



More information about the U-Boot mailing list