[U-Boot] [PATCH 2/2 V3] powerpc/esdhc: Add 3.3v voltage support in esdhc capacity register

Haijun Zhang Haijun.Zhang at freescale.com
Thu Oct 31 02:38:19 CET 2013


T4240QDS eSDHC host capabilities reigster should have VS33 bit define.
Add quirk CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33 to deal with capacity
missing

Signed-off-by: Roy Zang <tie-fei.zang at freescale.com>
Signed-off-by: Haijun Zhang <Haijun.Zhang at freescale.com>
---
changes for V3:
	- Move the macro define to T4240QDS.h

 drivers/mmc/fsl_esdhc.c    | 6 ++++++
 include/configs/T4240QDS.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index d4c1eef..b8b2907 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -545,6 +545,12 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
 	caps = caps & ~(ESDHC_HOSTCAPBLT_SRS |
 			ESDHC_HOSTCAPBLT_VS18 | ESDHC_HOSTCAPBLT_VS30);
 #endif
+
+/* T4240 host controller capabilities register should have VS33 bit */
+#ifdef CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
+	caps = caps | ESDHC_HOSTCAPBLT_VS33;
+#endif
+
 	if (caps & ESDHC_HOSTCAPBLT_VS18)
 		voltage_caps |= MMC_VDD_165_195;
 	if (caps & ESDHC_HOSTCAPBLT_VS30)
diff --git a/include/configs/T4240QDS.h b/include/configs/T4240QDS.h
index 590799c..3777ccb 100644
--- a/include/configs/T4240QDS.h
+++ b/include/configs/T4240QDS.h
@@ -463,6 +463,7 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_CMD_EXT2
 #define CONFIG_CMD_FAT
 #define CONFIG_DOS_PARTITION
+#define CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
 #endif
 
 #define CONFIG_BOOTDELAY	10	/* -1 disables auto-boot */
-- 
1.8.4




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