/* * (C) Copyright 2007-2011 * Allwinner Technology Co., Ltd. * Aaron * * MMC register definition for allwinner sunxi platform. * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _SUNXI_MMC_H #define _SUNXI_MMC_H #include 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]; #if defined(CONFIG_SUN6I) || defined(CONFIG_SUN8I) u32 res2[64]; #endif u32 fifo; /* 0x100 (0x200 on sun6i) 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) struct mmc *sunxi_mmc_init(int sdc_no); #endif /* _SUNXI_MMC_H */