[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
More information about the U-Boot
mailing list