[U-Boot] [PATCH] ARM: atmel: sama5d4 xplained: enable mmc power

Bo Shen voice.shen at atmel.com
Fri Feb 13 08:53:18 CET 2015


Enable the power for MMC/SD port.

Signed-off-by: Bo Shen <voice.shen at atmel.com>
---

 board/atmel/sama5d4_xplained/sama5d4_xplained.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/board/atmel/sama5d4_xplained/sama5d4_xplained.c b/board/atmel/sama5d4_xplained/sama5d4_xplained.c
index bc2aa38..e7f225a 100644
--- a/board/atmel/sama5d4_xplained/sama5d4_xplained.c
+++ b/board/atmel/sama5d4_xplained/sama5d4_xplained.c
@@ -228,6 +228,9 @@ void sama5d4_xplained_mci1_hw_init(void)
 
 int board_mmc_init(bd_t *bis)
 {
+	/* Enable the power supply */
+	at91_set_pio_output(AT91_PIO_PORTE, 4, 0);
+
 	return atmel_mci_init((void *)ATMEL_BASE_MCI1);
 }
 #endif /* CONFIG_GENERIC_ATMEL_MCI */
-- 
2.3.0



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