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/*
* (C) Copyright 2007-2011
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
* Aaron <leafy.myeh@allwinnertech.com>
*
* MMC register definition for allwinner sunxi platform.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _SUNXI_MMC_H
#define _SUNXI_MMC_H
#include <linux/types.h>
struct sunxi_mmc {
u32 gctrl; /* 0x00 global control */
u32 clkcr; /* 0x04 clock control */
u32 timeout; /* 0x08 time out */
u32 width; /* 0x0c bus width */
u32 blksz; /* 0x10 block size */
u32 bytecnt; /* 0x14 byte count */
u32 cmd; /* 0x18 command */
u32 arg; /* 0x1c argument */
u32 resp0; /* 0x20 response 0 */
u32 resp1; /* 0x24 response 1 */
u32 resp2; /* 0x28 response 2 */
u32 resp3; /* 0x2c response 3 */
u32 imask; /* 0x30 interrupt mask */
u32 mint; /* 0x34 masked interrupt status */
u32 rint; /* 0x38 raw interrupt status */
u32 status; /* 0x3c status */
u32 ftrglevel; /* 0x40 FIFO threshold watermark*/
u32 funcsel; /* 0x44 function select */
u32 cbcr; /* 0x48 CIU byte count */
u32 bbcr; /* 0x4c BIU byte count */
u32 dbgc; /* 0x50 debug enable */
u32 res0[11];
u32 dmac; /* 0x80 internal DMA control */
u32 dlba; /* 0x84 internal DMA descr list base address */
u32 idst; /* 0x88 internal DMA status */
u32 idie; /* 0x8c internal DMA interrupt enable */
u32 chda; /* 0x90 */
u32 cbda; /* 0x94 */
u32 res1[26];
#ifdef CONFIG_SUNXI_GEN_SUN6I
u32 res2[64];
#endif
u32 fifo; /* 0x100 / 0x200 FIFO access address */
};
#define SUNXI_MMC_CLK_POWERSAVE (0x1 << 17)
#define SUNXI_MMC_CLK_ENABLE (0x1 << 16)
#define SUNXI_MMC_CLK_DIVIDER_MASK (0xff)
#define SUNXI_MMC_GCTRL_SOFT_RESET (0x1 << 0)
#define SUNXI_MMC_GCTRL_FIFO_RESET (0x1 << 1)
#define SUNXI_MMC_GCTRL_DMA_RESET (0x1 << 2)
#define SUNXI_MMC_GCTRL_RESET (SUNXI_MMC_GCTRL_SOFT_RESET|\
SUNXI_MMC_GCTRL_FIFO_RESET|\
SUNXI_MMC_GCTRL_DMA_RESET)
#define SUNXI_MMC_GCTRL_DMA_ENABLE (0x1 << 5)
#define SUNXI_MMC_GCTRL_ACCESS_BY_AHB (0x1 << 31)
#define SUNXI_MMC_CMD_RESP_EXPIRE (0x1 << 6)
#define SUNXI_MMC_CMD_LONG_RESPONSE (0x1 << 7)
#define SUNXI_MMC_CMD_CHK_RESPONSE_CRC (0x1 << 8)
#define SUNXI_MMC_CMD_DATA_EXPIRE (0x1 << 9)
#define SUNXI_MMC_CMD_WRITE (0x1 << 10)
#define SUNXI_MMC_CMD_AUTO_STOP (0x1 << 12)
#define SUNXI_MMC_CMD_WAIT_PRE_OVER (0x1 << 13)
#define SUNXI_MMC_CMD_SEND_INIT_SEQ (0x1 << 15)
#define SUNXI_MMC_CMD_UPCLK_ONLY (0x1 << 21)
#define SUNXI_MMC_CMD_START (0x1 << 31)
#define SUNXI_MMC_RINT_RESP_ERROR (0x1 << 1)
#define SUNXI_MMC_RINT_COMMAND_DONE (0x1 << 2)
#define SUNXI_MMC_RINT_DATA_OVER (0x1 << 3)
#define SUNXI_MMC_RINT_TX_DATA_REQUEST (0x1 << 4)
#define SUNXI_MMC_RINT_RX_DATA_REQUEST (0x1 << 5)
#define SUNXI_MMC_RINT_RESP_CRC_ERROR (0x1 << 6)
#define SUNXI_MMC_RINT_DATA_CRC_ERROR (0x1 << 7)
#define SUNXI_MMC_RINT_RESP_TIMEOUT (0x1 << 8)
#define SUNXI_MMC_RINT_DATA_TIMEOUT (0x1 << 9)
#define SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE (0x1 << 10)
#define SUNXI_MMC_RINT_FIFO_RUN_ERROR (0x1 << 11)
#define SUNXI_MMC_RINT_HARD_WARE_LOCKED (0x1 << 12)
#define SUNXI_MMC_RINT_START_BIT_ERROR (0x1 << 13)
#define SUNXI_MMC_RINT_AUTO_COMMAND_DONE (0x1 << 14)
#define SUNXI_MMC_RINT_END_BIT_ERROR (0x1 << 15)
#define SUNXI_MMC_RINT_SDIO_INTERRUPT (0x1 << 16)
#define SUNXI_MMC_RINT_CARD_INSERT (0x1 << 30)
#define SUNXI_MMC_RINT_CARD_REMOVE (0x1 << 31)
#define SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT \
(SUNXI_MMC_RINT_RESP_ERROR | \
SUNXI_MMC_RINT_RESP_CRC_ERROR | \
SUNXI_MMC_RINT_DATA_CRC_ERROR | \
SUNXI_MMC_RINT_RESP_TIMEOUT | \
SUNXI_MMC_RINT_DATA_TIMEOUT | \
SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE | \
SUNXI_MMC_RINT_FIFO_RUN_ERROR | \
SUNXI_MMC_RINT_HARD_WARE_LOCKED | \
SUNXI_MMC_RINT_START_BIT_ERROR | \
SUNXI_MMC_RINT_END_BIT_ERROR) /* 0xbfc2 */
#define SUNXI_MMC_RINT_INTERRUPT_DONE_BIT \
(SUNXI_MMC_RINT_AUTO_COMMAND_DONE | \
SUNXI_MMC_RINT_DATA_OVER | \
SUNXI_MMC_RINT_COMMAND_DONE | \
SUNXI_MMC_RINT_VOLTAGE_CHANGE_DONE)
#define SUNXI_MMC_STATUS_RXWL_FLAG (0x1 << 0)
#define SUNXI_MMC_STATUS_TXWL_FLAG (0x1 << 1)
#define SUNXI_MMC_STATUS_FIFO_EMPTY (0x1 << 2)
#define SUNXI_MMC_STATUS_FIFO_FULL (0x1 << 3)
#define SUNXI_MMC_STATUS_CARD_PRESENT (0x1 << 8)
#define SUNXI_MMC_STATUS_CARD_DATA_BUSY (0x1 << 9)
#define SUNXI_MMC_STATUS_DATA_FSM_BUSY (0x1 << 10)
#define SUNXI_MMC_IDMAC_RESET (0x1 << 0)
#define SUNXI_MMC_IDMAC_FIXBURST (0x1 << 1)
#define SUNXI_MMC_IDMAC_ENABLE (0x1 << 7)
#define SUNXI_MMC_IDIE_TXIRQ (0x1 << 0)
#define SUNXI_MMC_IDIE_RXIRQ (0x1 << 1)
#define SUNXI_MMC_COMMON_CLK_GATE (1 << 16)
#define SUNXI_MMC_COMMON_RESET (1 << 18)
struct mmc *sunxi_mmc_init(int sdc_no);
int sunxi_mmc_has_egon_boot_signature(struct mmc *mmc);
#endif /* _SUNXI_MMC_H */
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