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mmc: fsl_esdhc: Add adapter card type identification support

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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>
This commit is contained in:
Yangbo Lu
2015-04-22 13:57:00 +08:00
committed by York Sun
parent fd3a78a538
commit 5a8dbdc6b4
7 changed files with 90 additions and 6 deletions
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3
arch/powerpc/include/asm/global_data.h
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@@ -15,6 +15,9 @@
struct arch_global_data {
#if defined(CONFIG_FSL_ESDHC)
u32 sdhc_clk;
#if defined(CONFIG_FSL_ESDHC_ADAPTER_IDENT)
u8 sdhc_adapter;
#endif
#endif
#if defined(CONFIG_8xx)
unsigned long brg_clk;