leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

powerpc/esdhc: Add 3.3v voltage support in esdhc capacity register

Browse Source 
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@freescale.com>
Signed-off-by: Haijun Zhang <Haijun.Zhang@freescale.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
This commit is contained in:
Haijun.Zhang 2013-10-31 09:38:19 +08:00 committed by Pantelis Antoniou
parent a54d681132
commit ef38f3ffb9
2 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/mmc/fsl_esdhc.c
View File

@ -557,6 +557,12 @@ 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)

1
include/configs/T4240QDS.h
View File

@ -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 */