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authorYangbo Lu <yangbo.lu@freescale.com>2015-04-22 13:57:00 +0800
committerYork Sun <yorksun@freescale.com>2015-05-04 09:25:19 -0700
commit5a8dbdc6b4b8b4b17c807c9bb23807cdc66f6feb (patch)
tree13de7d43ebb84d211debe354937bcf1b8701c2f8 /drivers/mmc/mmc.c
parentfd3a78a538b2591a420f173faea442ae969ff623 (diff)
mmc: fsl_esdhc: Add adapter card type identification support
Add adapter card type identification support by reading FPGA STAT_PRES1 register SDHC Card ID[0:2] bits. To use this function, define CONFIG_FSL_ESDHC_ADAPTER_IDENT. Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com> Cc: York Sun <yorksun@freescale.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> [York Sun: resolve conflicts in README.fsl-esdhc] Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'drivers/mmc/mmc.c')
-rw-r--r--drivers/mmc/mmc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index a13769ea25..dc32aec9b2 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1588,6 +1588,9 @@ int mmc_start_init(struct mmc *mmc)
if (mmc->has_init)
return 0;
+#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
+ mmc_adapter_card_type_ident();
+#endif
board_mmc_power_init();
/* made sure it's not NULL earlier */
@@ -1739,6 +1742,9 @@ static void do_preinit(void)
list_for_each(entry, &mmc_devices) {
m = list_entry(entry, struct mmc, link);
+#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
+ mmc_set_preinit(m, 1);
+#endif
if (m->preinit)
mmc_start_init(m);
}