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authorHaijun.Zhang <Haijun.Zhang@freescale.com>2013-10-31 09:38:19 +0800
committerPantelis Antoniou <panto@antoniou-consulting.com>2013-10-31 09:55:34 +0200
commitef38f3ffb97331725b00dce667da3aefa0a75340 (patch)
treee9d94f7df5d7f855ba457dc062ff6230533ff2b4 /drivers/mmc
parenta54d68113261ad5da8ff43fd0d5ed811fb1d361d (diff)
powerpc/esdhc: Add 3.3v voltage support in esdhc capacity register
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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/fsl_esdhc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 1f9c305131b..e3cd0c777e3 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -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)