#ifndef __FSL_ESDHC_H__
#define __FSL_ESDHC_H__
+#include <linux/bitops.h>
#include <linux/errno.h>
#include <asm/byteorder.h>
#define XFERTYP_DMAEN 0x00000001
#define CINS_TIMEOUT 1000
-#define PIO_TIMEOUT 100000
+#define PIO_TIMEOUT 500
#define DSADDR 0x2e004
#define ESDHC_VENDORSPEC_VSELECT 0x00000002 /* Use 1.8V */
+/* Imported from Linux Kernel drivers/mmc/host/sdhci-esdhc-imx.c */
+#define MIX_CTRL_DDREN BIT(3)
+#define MIX_CTRL_DTDSEL_READ BIT(4)
+#define MIX_CTRL_AC23EN BIT(7)
+#define MIX_CTRL_EXE_TUNE BIT(22)
+#define MIX_CTRL_SMPCLK_SEL BIT(23)
+#define MIX_CTRL_AUTO_TUNE_EN BIT(24)
+#define MIX_CTRL_FBCLK_SEL BIT(25)
+#define MIX_CTRL_HS400_EN BIT(26)
+#define MIX_CTRL_HS400_ES BIT(27)
+/* Bits 3 and 6 are not SDHCI standard definitions */
+#define MIX_CTRL_SDHCI_MASK 0xb7
+/* Tuning bits */
+#define MIX_CTRL_TUNING_MASK 0x03c00000
+
+/* strobe dll register */
+#define ESDHC_STROBE_DLL_CTRL 0x70
+#define ESDHC_STROBE_DLL_CTRL_ENABLE BIT(0)
+#define ESDHC_STROBE_DLL_CTRL_RESET BIT(1)
+#define ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_DEFAULT 0x7
+#define ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_SHIFT 3
+
+#define ESDHC_STROBE_DLL_STATUS 0x74
+#define ESDHC_STROBE_DLL_STS_REF_LOCK BIT(1)
+#define ESDHC_STROBE_DLL_STS_SLV_LOCK 0x1
+#define ESDHC_STROBE_DLL_CLK_FREQ 100000000
+
+#define ESDHC_STD_TUNING_EN BIT(24)
+/* NOTE: the minimum valid tuning start tap for mx6sl is 1 */
+#define ESDHC_TUNING_START_TAP_DEFAULT 0x1
+#define ESDHC_TUNING_START_TAP_MASK 0xff
+#define ESDHC_TUNING_STEP_MASK 0x00070000
+#define ESDHC_TUNING_STEP_SHIFT 16
+
+#define ESDHC_FLAG_MULTIBLK_NO_INT BIT(1)
+#define ESDHC_FLAG_ENGCM07207 BIT(2)
+#define ESDHC_FLAG_USDHC BIT(3)
+#define ESDHC_FLAG_MAN_TUNING BIT(4)
+#define ESDHC_FLAG_STD_TUNING BIT(5)
+#define ESDHC_FLAG_HAVE_CAP1 BIT(6)
+#define ESDHC_FLAG_ERR004536 BIT(7)
+#define ESDHC_FLAG_HS200 BIT(8)
+#define ESDHC_FLAG_HS400 BIT(9)
+#define ESDHC_FLAG_ERR010450 BIT(10)
+#define ESDHC_FLAG_HS400_ES BIT(11)
+
struct fsl_esdhc_cfg {
phys_addr_t esdhc_base;
u32 sdhc_clk;
u8 max_bus_width;
int wp_enable;
+ int vs18_enable; /* Use 1.8V if set to 1 */
struct mmc_config cfg;
};