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authorJaehoon Chung <jh80.chung@samsung.com>2012-04-23 02:36:28 +0000
committerAndy Fleming <afleming@freescale.com>2012-05-08 18:02:22 -0500
commit442d55685e1e2310d546044a6519ae73e4ba348a (patch)
treee68bf2ac2fc9348b0d92a4404d64aac4458d02d6 /arch/arm/include/asm/arch-s5pc1xx
parent236bfecff8091356d81e79da3281b9e4af967468 (diff)
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mmc: support the sdhci instead of s5p_mmc for samsung-soc
In driver mmc, generic s5p_sdhci code is implemented. s5p_mmc file is dupulicated. we are good that use the generic sdhci. This patch supported the sdhci for Samsung-SoC. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Lei Wen<leiwen@marvell.com> Acked-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/arm/include/asm/arch-s5pc1xx')
-rw-r--r--arch/arm/include/asm/arch-s5pc1xx/mmc.h93
1 files changed, 47 insertions, 46 deletions
diff --git a/arch/arm/include/asm/arch-s5pc1xx/mmc.h b/arch/arm/include/asm/arch-s5pc1xx/mmc.h
index adef4ee..0f701c9 100644
--- a/arch/arm/include/asm/arch-s5pc1xx/mmc.h
+++ b/arch/arm/include/asm/arch-s5pc1xx/mmc.h
@@ -21,53 +21,54 @@
#ifndef __ASM_ARCH_MMC_H_
#define __ASM_ARCH_MMC_H_
-#ifndef __ASSEMBLY__
-struct s5p_mmc {
- unsigned int sysad;
- unsigned short blksize;
- unsigned short blkcnt;
- unsigned int argument;
- unsigned short trnmod;
- unsigned short cmdreg;
- unsigned int rspreg0;
- unsigned int rspreg1;
- unsigned int rspreg2;
- unsigned int rspreg3;
- unsigned int bdata;
- unsigned int prnsts;
- unsigned char hostctl;
- unsigned char pwrcon;
- unsigned char blkgap;
- unsigned char wakcon;
- unsigned short clkcon;
- unsigned char timeoutcon;
- unsigned char swrst;
- unsigned int norintsts; /* errintsts */
- unsigned int norintstsen; /* errintstsen */
- unsigned int norintsigen; /* errintsigen */
- unsigned short acmd12errsts;
- unsigned char res1[2];
- unsigned int capareg;
- unsigned char res2[4];
- unsigned int maxcurr;
- unsigned char res3[0x34];
- unsigned int control2;
- unsigned int control3;
- unsigned char res4[4];
- unsigned int control4;
- unsigned char res5[0x6e];
- unsigned short hcver;
- unsigned char res6[0xFFF00];
-};
+#define SDHCI_CONTROL2 0x80
+#define SDHCI_CONTROL3 0x84
+#define SDHCI_CONTROL4 0x8C
-struct mmc_host {
- struct s5p_mmc *reg;
- unsigned int version; /* SDHCI spec. version */
- unsigned int clock; /* Current clock (MHz) */
- int dev_index;
-};
+#define SDHCI_CTRL2_ENSTAASYNCCLR (1 << 31)
+#define SDHCI_CTRL2_ENCMDCNFMSK (1 << 30)
+#define SDHCI_CTRL2_CDINVRXD3 (1 << 29)
+#define SDHCI_CTRL2_SLCARDOUT (1 << 28)
-int s5p_mmc_init(int dev_index, int bus_width);
+#define SDHCI_CTRL2_FLTCLKSEL_MASK (0xf << 24)
+#define SDHCI_CTRL2_FLTCLKSEL_SHIFT (24)
+#define SDHCI_CTRL2_FLTCLKSEL(_x) ((_x) << 24)
-#endif /* __ASSEMBLY__ */
+#define SDHCI_CTRL2_LVLDAT_MASK (0xff << 16)
+#define SDHCI_CTRL2_LVLDAT_SHIFT (16)
+#define SDHCI_CTRL2_LVLDAT(_x) ((_x) << 16)
+
+#define SDHCI_CTRL2_ENFBCLKTX (1 << 15)
+#define SDHCI_CTRL2_ENFBCLKRX (1 << 14)
+#define SDHCI_CTRL2_SDCDSEL (1 << 13)
+#define SDHCI_CTRL2_SDSIGPC (1 << 12)
+#define SDHCI_CTRL2_ENBUSYCHKTXSTART (1 << 11)
+
+#define SDHCI_CTRL2_DFCNT_MASK(_x) ((_x) << 9)
+#define SDHCI_CTRL2_DFCNT_SHIFT (9)
+
+#define SDHCI_CTRL2_ENCLKOUTHOLD (1 << 8)
+#define SDHCI_CTRL2_RWAITMODE (1 << 7)
+#define SDHCI_CTRL2_DISBUFRD (1 << 6)
+#define SDHCI_CTRL2_SELBASECLK_MASK(_x) ((_x) << 4)
+#define SDHCI_CTRL2_SELBASECLK_SHIFT (4)
+#define SDHCI_CTRL2_PWRSYNC (1 << 3)
+#define SDHCI_CTRL2_ENCLKOUTMSKCON (1 << 1)
+#define SDHCI_CTRL2_HWINITFIN (1 << 0)
+
+#define SDHCI_CTRL3_FCSEL3 (1 << 31)
+#define SDHCI_CTRL3_FCSEL2 (1 << 23)
+#define SDHCI_CTRL3_FCSEL1 (1 << 15)
+#define SDHCI_CTRL3_FCSEL0 (1 << 7)
+
+#define SDHCI_CTRL4_DRIVE_MASK(_x) ((_x) << 16)
+#define SDHCI_CTRL4_DRIVE_SHIFT (16)
+
+int s5p_sdhci_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks);
+
+static inline unsigned int s5p_mmc_init(int index, int bus_width)
+{
+ unsigned int base = samsung_get_base_mmc() + (0x10000 * index);
+ return s5p_sdhci_init(base, 52000000, 400000, index);
+}
#endif