ARM: pantheon: add mmc definition

Signed-off-by: Lei Wen <leiwen@marvell.com>

arch/arm/cpu/arm926ejs/pantheon/cpu.c

@@ -42,6 +42,9 @@ int arch_cpu_init(void)
 	struct panthmpmu_registers *mpmu =
 		(struct panthmpmu_registers*) PANTHEON_MPMU_BASE;
 
+	struct panthapmu_registers *apmu =
+		(struct panthapmu_registers *) PANTHEON_APMU_BASE;
+
 	/* set SEL_MRVL_ID bit in PANTHEON_CPU_CONF register */
 	val = readl(&cpuregs->cpu_conf);
 	val = val | SET_MRVL_ID;
@@ -65,6 +68,14 @@ int arch_cpu_init(void)
 	writel(APBC_FNCLK | APBC_APBCLK, &apbclkres->twsi);
 #endif
 
+#ifdef CONFIG_MV_SDHCI
+	/* Enable mmc clock */
+	writel(APMU_PERI_CLK | APMU_AXI_CLK | APMU_PERI_RST | APMU_AXI_RST,
+			&apmu->sd1);
+	writel(APMU_PERI_CLK | APMU_AXI_CLK | APMU_PERI_RST | APMU_AXI_RST,
+			&apmu->sd3);
+#endif
+
 	icache_enable();
 
 	return 0;

arch/arm/include/asm/arch-pantheon/config.h

@@ -47,4 +47,22 @@
 #define CONFIG_SYS_I2C_SLAVE		0xfe
 #endif
 
+/*
+ * MMC definition
+ */
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_CMD_FAT			1
+#define CONFIG_MMC			1
+#define CONFIG_GENERIC_MMC		1
+#define CONFIG_SDHCI			1
+#define CONFIG_MMC_SDHCI_IO_ACCESSORS	1
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT	0x1000
+#define CONFIG_MMC_SDMA			1
+#define CONFIG_MV_SDHCI			1
+#define CONFIG_DOS_PARTITION		1
+#define CONFIG_EFI_PARTITION		1
+#define CONFIG_SYS_MMC_NUM		2
+#define CONFIG_SYS_MMC_BASE		{0xD4280000, 0xd4281000}
+#endif
+
 #endif /* _PANTHEON_CONFIG_H */

arch/arm/include/asm/arch-pantheon/cpu.h

@@ -42,6 +42,17 @@ struct panthmpmu_registers {
 	u32 acgr;	/*0x1024*/
 };
 
+/*
+ * Application Power Management (APMU) Registers
+ * Refer Register Datasheet 9.2
+ */
+struct panthapmu_registers {
+	u8 pad0[0x0054];
+	u32 sd1;	/*0x0054*/
+	u8 pad1[0x00e0 - 0x054 - 4];
+	u32 sd3;	/*0x00e0*/
+};
+
 /*
  * APB Clock Reset/Control Registers
  * Refer Register Datasheet 6.14
@@ -77,5 +88,6 @@ struct panthcpu_registers {
  */
 u32 panth_sdram_base(int);
 u32 panth_sdram_size(int);
+int mv_sdh_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks);
 
 #endif /* _PANTHEON_CPU_H */

arch/arm/include/asm/arch-pantheon/mfp.h

@@ -38,6 +38,18 @@
 #define MFP54_CI2C_SDA		(MFP_REG(0x1b4) | MFP_AF2 | MFP_DRIVE_MEDIUM)
 
 /* More macros can be defined here... */
+#define MFP_MMC1_DAT7		(MFP_REG(0x84) | MFP_AF0 | MFP_DRIVE_MEDIUM)
+#define MFP_MMC1_DAT6		(MFP_REG(0x88) | MFP_AF0 | MFP_DRIVE_MEDIUM)
+#define MFP_MMC1_DAT5		(MFP_REG(0x8c) | MFP_AF0 | MFP_DRIVE_MEDIUM)
+#define MFP_MMC1_DAT4		(MFP_REG(0x90) | MFP_AF0 | MFP_DRIVE_MEDIUM)
+#define MFP_MMC1_DAT3		(MFP_REG(0x94) | MFP_AF0 | MFP_DRIVE_FAST)
+#define MFP_MMC1_DAT2		(MFP_REG(0x98) | MFP_AF0 | MFP_DRIVE_FAST)
+#define MFP_MMC1_DAT1		(MFP_REG(0x9c) | MFP_AF0 | MFP_DRIVE_FAST)
+#define MFP_MMC1_DAT0		(MFP_REG(0xa0) | MFP_AF0 | MFP_DRIVE_FAST)
+#define MFP_MMC1_CMD		(MFP_REG(0xa4) | MFP_AF0 | MFP_DRIVE_FAST)
+#define MFP_MMC1_CLK		(MFP_REG(0xa8) | MFP_AF0 | MFP_DRIVE_FAST)
+#define MFP_MMC1_CD		(MFP_REG(0xac) | MFP_AF0 | MFP_DRIVE_MEDIUM)
+#define MFP_MMC1_WP		(MFP_REG(0xb0) | MFP_AF0 | MFP_DRIVE_MEDIUM)
 
 #define MFP_PIN_MAX	117
 #endif

arch/arm/include/asm/arch-pantheon/pantheon.h

@@ -32,6 +32,12 @@
 /* Functional Clock Selection Mask */
 #define APBC_FNCLKSEL(x)        (((x) & 0xf) << 4)
 
+/* Common APMU register bit definitions */
+#define APMU_PERI_CLK	(1<<4)	/* Peripheral Clock Enable */
+#define APMU_AXI_CLK	(1<<3)	/* AXI Clock Enable*/
+#define APMU_PERI_RST	(1<<1)	/* Peripheral Reset */
+#define APMU_AXI_RST	(1<<0)	/* AXI Reset */
+
 /* Register Base Addresses */
 #define PANTHEON_DRAM_BASE	0xB0000000
 #define PANTHEON_TIMER_BASE	0xD4014000
@@ -42,6 +48,7 @@
 #define PANTHEON_GPIO_BASE	0xD4019000
 #define PANTHEON_MFPR_BASE	0xD401E000
 #define PANTHEON_MPMU_BASE	0xD4050000
+#define PANTHEON_APMU_BASE	0xD4282800
 #define PANTHEON_CPU_BASE	0xD4282C00
 
 #endif /* _PANTHEON_H */