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mmc: fsl_esdhc: Add peripheral clock support

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The SD clock could be generated by platform clock or peripheral
clock for some platforms. This patch adds peripheral clock
support for T1024/T1040/T2080. To enable it, define
CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK.

Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Yangbo Lu
2015-04-22 13:57:40 +08:00
committed by York Sun
parent b46cf1b178
commit 2d9ca2c72c
5 changed files with 102 additions and 3 deletions
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1
include/e500.h
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@@ -18,6 +18,7 @@ typedef struct
unsigned long freq_ddrbus;
unsigned long freq_localbus;
unsigned long freq_qe;
unsigned long freq_sdhc;
#ifdef CONFIG_SYS_DPAA_FMAN
unsigned long freq_fman[CONFIG_SYS_NUM_FMAN];
#endif

4
include/fsl_esdhc.h
View File

@@ -78,6 +78,9 @@
#define IRQSTATEN_TC (0x00000002)
#define IRQSTATEN_CC (0x00000001)
#define ESDHCCTL 0x0002e40c
#define ESDHCCTL_PCS (0x00080000)
#define PRSSTAT 0x0002e024
#define PRSSTAT_DAT0 (0x01000000)
#define PRSSTAT_CLSL (0x00800000)
@@ -86,6 +89,7 @@
#define PRSSTAT_CINS (0x00010000)
#define PRSSTAT_BREN (0x00000800)
#define PRSSTAT_BWEN (0x00000400)
#define PRSSTAT_SDSTB (0X00000008)
#define PRSSTAT_DLA (0x00000004)
#define PRSSTAT_CICHB (0x00000002)
#define PRSSTAT_CIDHB (0x00000001)