| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Exynos Specific Extensions for Synopsys DW Multimedia Card Interface driver |
| * |
| * Copyright (C) 2012-2014 Samsung Electronics Co., Ltd. |
| */ |
| |
| #ifndef _DW_MMC_EXYNOS_H_ |
| #define _DW_MMC_EXYNOS_H_ |
| |
| #define SDMMC_CLKSEL 0x09C |
| #define SDMMC_CLKSEL64 0x0A8 |
| |
| /* Extended Register's Offset */ |
| #define SDMMC_HS400_DQS_EN 0x180 |
| #define SDMMC_HS400_ASYNC_FIFO_CTRL 0x184 |
| #define SDMMC_HS400_DLINE_CTRL 0x188 |
| |
| /* CLKSEL register defines */ |
| #define SDMMC_CLKSEL_CCLK_SAMPLE(x) (((x) & 7) << 0) |
| #define SDMMC_CLKSEL_CCLK_DRIVE(x) (((x) & 7) << 16) |
| #define SDMMC_CLKSEL_CCLK_DIVIDER(x) (((x) & 7) << 24) |
| #define SDMMC_CLKSEL_GET_DRV_WD3(x) (((x) >> 16) & 0x7) |
| #define SDMMC_CLKSEL_GET_DIV(x) (((x) >> 24) & 0x7) |
| #define SDMMC_CLKSEL_UP_SAMPLE(x, y) (((x) & ~SDMMC_CLKSEL_CCLK_SAMPLE(7)) |\ |
| SDMMC_CLKSEL_CCLK_SAMPLE(y)) |
| #define SDMMC_CLKSEL_TIMING(x, y, z) (SDMMC_CLKSEL_CCLK_SAMPLE(x) | \ |
| SDMMC_CLKSEL_CCLK_DRIVE(y) | \ |
| SDMMC_CLKSEL_CCLK_DIVIDER(z)) |
| #define SDMMC_CLKSEL_TIMING_MASK SDMMC_CLKSEL_TIMING(0x7, 0x7, 0x7) |
| #define SDMMC_CLKSEL_WAKEUP_INT BIT(11) |
| |
| /* RCLK_EN register defines */ |
| #define DATA_STROBE_EN BIT(0) |
| #define AXI_NON_BLOCKING_WR BIT(7) |
| |
| /* DLINE_CTRL register defines */ |
| #define DQS_CTRL_RD_DELAY(x, y) (((x) & ~0x3FF) | ((y) & 0x3FF)) |
| #define DQS_CTRL_GET_RD_DELAY(x) ((x) & 0x3FF) |
| |
| /* Protector Register */ |
| #define SDMMC_EMMCP_BASE 0x1000 |
| #define SDMMC_MPSECURITY (SDMMC_EMMCP_BASE + 0x0010) |
| #define SDMMC_MPSBEGIN0 (SDMMC_EMMCP_BASE + 0x0200) |
| #define SDMMC_MPSEND0 (SDMMC_EMMCP_BASE + 0x0204) |
| #define SDMMC_MPSCTRL0 (SDMMC_EMMCP_BASE + 0x020C) |
| |
| /* SMU control defines */ |
| #define SDMMC_MPSCTRL_SECURE_READ_BIT BIT(7) |
| #define SDMMC_MPSCTRL_SECURE_WRITE_BIT BIT(6) |
| #define SDMMC_MPSCTRL_NON_SECURE_READ_BIT BIT(5) |
| #define SDMMC_MPSCTRL_NON_SECURE_WRITE_BIT BIT(4) |
| #define SDMMC_MPSCTRL_USE_FUSE_KEY BIT(3) |
| #define SDMMC_MPSCTRL_ECB_MODE BIT(2) |
| #define SDMMC_MPSCTRL_ENCRYPTION BIT(1) |
| #define SDMMC_MPSCTRL_VALID BIT(0) |
| |
| /* Maximum number of Ending sector */ |
| #define SDMMC_ENDING_SEC_NR_MAX 0xFFFFFFFF |
| |
| /* Fixed clock divider */ |
| #define EXYNOS4210_FIXED_CIU_CLK_DIV 2 |
| #define EXYNOS4412_FIXED_CIU_CLK_DIV 4 |
| #define HS400_FIXED_CIU_CLK_DIV 1 |
| |
| /* Minimal required clock frequency for cclkin, unit: HZ */ |
| #define EXYNOS_CCLKIN_MIN 50000000 |
| |
| #endif /* _DW_MMC_EXYNOS_H_ */ |
