*-------------------------------------------------------------------
*
* Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
+ * Copyright 2020 NXP
*/
#ifndef __FSL_ESDHC_H__
#define __FSL_ESDHC_H__
-#include <linux/bitops.h>
#include <linux/errno.h>
#include <asm/byteorder.h>
/* needed for the mmc_cfg definition */
#include <mmc.h>
-#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
-#include "../board/freescale/common/qixis.h"
-#endif
-
/* FSL eSDHC-specific constants */
#define SYSCTL 0x0002e02c
#define SYSCTL_INITA 0x08000000
#define SYSCTL_TIMEOUT_MASK 0x000f0000
#define SYSCTL_CLOCK_MASK 0x0000fff0
-#if !defined(CONFIG_FSL_USDHC)
#define SYSCTL_CKEN 0x00000008
#define SYSCTL_PEREN 0x00000004
#define SYSCTL_HCKEN 0x00000002
#define SYSCTL_IPGEN 0x00000001
-#endif
#define SYSCTL_RSTA 0x01000000
#define SYSCTL_RSTC 0x02000000
#define SYSCTL_RSTD 0x04000000
-#define VENDORSPEC_CKEN 0x00004000
-#define VENDORSPEC_PEREN 0x00002000
-#define VENDORSPEC_HCKEN 0x00001000
-#define VENDORSPEC_IPGEN 0x00000800
-#define VENDORSPEC_INIT 0x20007809
-
#define IRQSTAT 0x0002e030
#define IRQSTAT_DMAE (0x10000000)
#define IRQSTAT_AC12E (0x01000000)
#define IRQSTATEN_TC (0x00000002)
#define IRQSTATEN_CC (0x00000001)
+/* eSDHC control register */
#define ESDHCCTL 0x0002e40c
+#define ESDHCCTL_SNOOP (0x00000040)
#define ESDHCCTL_PCS (0x00080000)
+#define ESDHCCTL_FAF (0x00040000)
#define PRSSTAT 0x0002e024
#define PRSSTAT_DAT0 (0x01000000)
#define PROCTL_DTW_4 0x00000002
#define PROCTL_DTW_8 0x00000004
#define PROCTL_D3CD 0x00000008
+#define PROCTL_DMAS_MASK 0x00000300
+#define PROCTL_DMAS_SDMA 0x00000000
+#define PROCTL_DMAS_ADMA1 0x00000100
+#define PROCTL_DMAS_ADMA2 0x00000300
+#define PROCTL_VOLT_SEL 0x00000400
#define CMDARG 0x0002e008
#define BLKATTR_SIZE(x) (x & 0x1fff)
#define MAX_BLK_CNT 0x7fff /* so malloc will have enough room with 32M */
-#define ESDHC_HOSTCAPBLT_VS18 0x04000000
-#define ESDHC_HOSTCAPBLT_VS30 0x02000000
-#define ESDHC_HOSTCAPBLT_VS33 0x01000000
-#define ESDHC_HOSTCAPBLT_SRS 0x00800000
-#define ESDHC_HOSTCAPBLT_DMAS 0x00400000
-#define ESDHC_HOSTCAPBLT_HSS 0x00200000
-
-#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)
+/* Auto CMD error status register / system control 2 register */
+#define EXECUTE_TUNING 0x00400000
+#define SMPCLKSEL 0x00800000
+#define UHSM_MASK 0x00070000
+#define UHSM_SDR104_HS200 0x00030000
+
+/* Host controller capabilities register */
+#define HOSTCAPBLT_VS18 0x04000000
+#define HOSTCAPBLT_VS30 0x02000000
+#define HOSTCAPBLT_VS33 0x01000000
+#define HOSTCAPBLT_SRS 0x00800000
+#define HOSTCAPBLT_DMAS 0x00400000
+#define HOSTCAPBLT_HSS 0x00200000
+
+/* Tuning block control register */
+#define TBCTL_TB_EN 0x00000004
+#define HS400_MODE 0x00000010
+#define HS400_WNDW_ADJUST 0x00000040
+
+/* SD clock control register */
+#define CMD_CLK_CTL 0x00008000
+
+/* SD timing control register */
+#define FLW_CTL_BG 0x00008000
+
+/* DLL config 0 register */
+#define DLL_ENABLE 0x80000000
+#define DLL_RESET 0x40000000
+#define DLL_FREQ_SEL 0x08000000
+
+/* DLL config 1 register */
+#define DLL_PD_PULSE_STRETCH_SEL 0x80000000
+
+/* DLL status 0 register */
+#define DLL_STS_SLV_LOCK 0x08000000
+
+#define MAX_TUNING_LOOP 40
+
+#define HOSTVER_VENDOR(x) (((x) >> 8) & 0xff)
+#define VENDOR_V_10 0x00
+#define VENDOR_V_20 0x10
+#define VENDOR_V_21 0x11
+#define VENDOR_V_22 0x12
+#define VENDOR_V_23 0x13
+#define VENDOR_V_30 0x20
+#define VENDOR_V_31 0x21
+#define VENDOR_V_32 0x22
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;
};
#endif
#ifdef CONFIG_FSL_ESDHC
-int fsl_esdhc_mmc_init(bd_t *bis);
-int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);
-void fdt_fixup_esdhc(void *blob, bd_t *bd);
+int fsl_esdhc_mmc_init(struct bd_info *bis);
+int fsl_esdhc_initialize(struct bd_info *bis, struct fsl_esdhc_cfg *cfg);
+void fdt_fixup_esdhc(void *blob, struct bd_info *bd);
#else
-static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
-static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
+static inline int fsl_esdhc_mmc_init(struct bd_info *bis) { return -ENOSYS; }
+static inline void fdt_fixup_esdhc(void *blob, struct bd_info *bd) {}
#endif /* CONFIG_FSL_ESDHC */
void __noreturn mmc_boot(void);
void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst);
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