Patchwork [U-Boot,v5,1/3] mx6qsabresd: Document the mapping of USDHC[2-4]

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Submitter Otavio Salvador
Date March 16, 2013, 6:05 p.m.
Message ID <1363457107-3968-2-git-send-email-otavio@ossystems.com.br>
Download mbox | patch
Permalink /patch/228232/
State Awaiting Upstream
Delegated to: Stefano Babic
Headers show

Comments

Otavio Salvador - March 16, 2013, 6:05 p.m.
This documents the SD card identifier so it is easier for user to spot
which card number will be used, if need.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
Changes in v5:
- Improve comment in code for easier understanding (Fabio)

Changes in v4: None
Changes in v3: None
Changes in v2:
- Improve commit log

 board/freescale/mx6qsabresd/mx6qsabresd.c | 7 +++++++
 1 file changed, 7 insertions(+)
Stefano Babic - April 3, 2013, 8:44 a.m.
On 16/03/2013 19:05, Otavio Salvador wrote:
> This documents the SD card identifier so it is easier for user to spot
> which card number will be used, if need.
> 
> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
> ---

Applied to u-boot-imx, thanks.

Best regards,
Stefano Babic

Patch

diff --git a/board/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c
index 2b3926a..5ebbff3 100644
--- a/board/freescale/mx6qsabresd/mx6qsabresd.c
+++ b/board/freescale/mx6qsabresd/mx6qsabresd.c
@@ -160,6 +160,13 @@  int board_mmc_init(bd_t *bis)
 {
 	int i;
 
+	/*
+	 * According to the board_mmc_init() the following map is done:
+	 * (U-boot device node)    (Physical Port)
+	 * mmc0                    SD2
+	 * mmc1                    SD3
+	 * mmc2                    eMMC
+	 */
 	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
 		switch (i) {
 		case 0: