mirror of
https://github.com/edk2-porting/linux-next.git
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236caa7cc3
This supports MMC/SD/SDIO currently found on the Kirkwood 88F6281 and 88F6192 SoC controllers. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
191 lines
4.9 KiB
C
191 lines
4.9 KiB
C
/*
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* Copyright (C) 2008 Marvell Semiconductors, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __MVSDIO_H
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#define __MVSDIO_H
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/*
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* Clock rates
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*/
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#define MVSD_CLOCKRATE_MAX 50000000
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#define MVSD_BASE_DIV_MAX 0x7ff
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/*
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* Register offsets
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*/
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#define MVSD_SYS_ADDR_LOW 0x000
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#define MVSD_SYS_ADDR_HI 0x004
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#define MVSD_BLK_SIZE 0x008
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#define MVSD_BLK_COUNT 0x00c
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#define MVSD_ARG_LOW 0x010
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#define MVSD_ARG_HI 0x014
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#define MVSD_XFER_MODE 0x018
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#define MVSD_CMD 0x01c
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#define MVSD_RSP(i) (0x020 + ((i)<<2))
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#define MVSD_RSP0 0x020
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#define MVSD_RSP1 0x024
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#define MVSD_RSP2 0x028
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#define MVSD_RSP3 0x02c
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#define MVSD_RSP4 0x030
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#define MVSD_RSP5 0x034
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#define MVSD_RSP6 0x038
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#define MVSD_RSP7 0x03c
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#define MVSD_FIFO 0x040
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#define MVSD_RSP_CRC7 0x044
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#define MVSD_HW_STATE 0x048
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#define MVSD_HOST_CTRL 0x050
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#define MVSD_BLK_GAP_CTRL 0x054
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#define MVSD_CLK_CTRL 0x058
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#define MVSD_SW_RESET 0x05c
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#define MVSD_NOR_INTR_STATUS 0x060
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#define MVSD_ERR_INTR_STATUS 0x064
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#define MVSD_NOR_STATUS_EN 0x068
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#define MVSD_ERR_STATUS_EN 0x06c
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#define MVSD_NOR_INTR_EN 0x070
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#define MVSD_ERR_INTR_EN 0x074
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#define MVSD_AUTOCMD12_ERR_STATUS 0x078
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#define MVSD_CURR_BYTE_LEFT 0x07c
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#define MVSD_CURR_BLK_LEFT 0x080
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#define MVSD_AUTOCMD12_ARG_LOW 0x084
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#define MVSD_AUTOCMD12_ARG_HI 0x088
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#define MVSD_AUTOCMD12_CMD 0x08c
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#define MVSD_AUTO_RSP(i) (0x090 + ((i)<<2))
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#define MVSD_AUTO_RSP0 0x090
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#define MVSD_AUTO_RSP1 0x094
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#define MVSD_AUTO_RSP2 0x098
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#define MVSD_CLK_DIV 0x128
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#define MVSD_WINDOW_CTRL(i) (0x108 + ((i) << 3))
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#define MVSD_WINDOW_BASE(i) (0x10c + ((i) << 3))
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/*
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* MVSD_CMD
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*/
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#define MVSD_CMD_RSP_NONE (0 << 0)
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#define MVSD_CMD_RSP_136 (1 << 0)
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#define MVSD_CMD_RSP_48 (2 << 0)
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#define MVSD_CMD_RSP_48BUSY (3 << 0)
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#define MVSD_CMD_CHECK_DATACRC16 (1 << 2)
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#define MVSD_CMD_CHECK_CMDCRC (1 << 3)
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#define MVSD_CMD_INDX_CHECK (1 << 4)
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#define MVSD_CMD_DATA_PRESENT (1 << 5)
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#define MVSD_UNEXPECTED_RESP (1 << 7)
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#define MVSD_CMD_INDEX(x) ((x) << 8)
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/*
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* MVSD_AUTOCMD12_CMD
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*/
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#define MVSD_AUTOCMD12_BUSY (1 << 0)
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#define MVSD_AUTOCMD12_INDX_CHECK (1 << 1)
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#define MVSD_AUTOCMD12_INDEX(x) ((x) << 8)
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/*
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* MVSD_XFER_MODE
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*/
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#define MVSD_XFER_MODE_WR_DATA_START (1 << 0)
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#define MVSD_XFER_MODE_HW_WR_DATA_EN (1 << 1)
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#define MVSD_XFER_MODE_AUTO_CMD12 (1 << 2)
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#define MVSD_XFER_MODE_INT_CHK_EN (1 << 3)
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#define MVSD_XFER_MODE_TO_HOST (1 << 4)
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#define MVSD_XFER_MODE_STOP_CLK (1 << 5)
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#define MVSD_XFER_MODE_PIO (1 << 6)
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/*
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* MVSD_HOST_CTRL
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*/
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#define MVSD_HOST_CTRL_PUSH_PULL_EN (1 << 0)
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#define MVSD_HOST_CTRL_CARD_TYPE_MEM_ONLY (0 << 1)
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#define MVSD_HOST_CTRL_CARD_TYPE_IO_ONLY (1 << 1)
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#define MVSD_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO (2 << 1)
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#define MVSD_HOST_CTRL_CARD_TYPE_IO_MMC (3 << 1)
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#define MVSD_HOST_CTRL_CARD_TYPE_MASK (3 << 1)
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#define MVSD_HOST_CTRL_BIG_ENDIAN (1 << 3)
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#define MVSD_HOST_CTRL_LSB_FIRST (1 << 4)
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#define MVSD_HOST_CTRL_DATA_WIDTH_4_BITS (1 << 9)
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#define MVSD_HOST_CTRL_HI_SPEED_EN (1 << 10)
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#define MVSD_HOST_CTRL_TMOUT_MAX 0xf
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#define MVSD_HOST_CTRL_TMOUT_MASK (0xf << 11)
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#define MVSD_HOST_CTRL_TMOUT(x) ((x) << 11)
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#define MVSD_HOST_CTRL_TMOUT_EN (1 << 15)
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/*
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* MVSD_SW_RESET
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*/
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#define MVSD_SW_RESET_NOW (1 << 8)
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/*
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* Normal interrupt status bits
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*/
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#define MVSD_NOR_CMD_DONE (1 << 0)
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#define MVSD_NOR_XFER_DONE (1 << 1)
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#define MVSD_NOR_BLK_GAP_EVT (1 << 2)
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#define MVSD_NOR_DMA_DONE (1 << 3)
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#define MVSD_NOR_TX_AVAIL (1 << 4)
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#define MVSD_NOR_RX_READY (1 << 5)
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#define MVSD_NOR_CARD_INT (1 << 8)
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#define MVSD_NOR_READ_WAIT_ON (1 << 9)
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#define MVSD_NOR_RX_FIFO_8W (1 << 10)
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#define MVSD_NOR_TX_FIFO_8W (1 << 11)
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#define MVSD_NOR_SUSPEND_ON (1 << 12)
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#define MVSD_NOR_AUTOCMD12_DONE (1 << 13)
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#define MVSD_NOR_UNEXP_RSP (1 << 14)
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#define MVSD_NOR_ERROR (1 << 15)
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/*
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* Error status bits
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*/
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#define MVSD_ERR_CMD_TIMEOUT (1 << 0)
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#define MVSD_ERR_CMD_CRC (1 << 1)
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#define MVSD_ERR_CMD_ENDBIT (1 << 2)
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#define MVSD_ERR_CMD_INDEX (1 << 3)
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#define MVSD_ERR_DATA_TIMEOUT (1 << 4)
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#define MVSD_ERR_DATA_CRC (1 << 5)
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#define MVSD_ERR_DATA_ENDBIT (1 << 6)
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#define MVSD_ERR_AUTOCMD12 (1 << 8)
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#define MVSD_ERR_CMD_STARTBIT (1 << 9)
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#define MVSD_ERR_XFER_SIZE (1 << 10)
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#define MVSD_ERR_RESP_T_BIT (1 << 11)
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#define MVSD_ERR_CRC_ENDBIT (1 << 12)
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#define MVSD_ERR_CRC_STARTBIT (1 << 13)
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#define MVSD_ERR_CRC_STATUS (1 << 14)
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/*
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* CMD12 error status bits
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*/
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#define MVSD_AUTOCMD12_ERR_NOTEXE (1 << 0)
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#define MVSD_AUTOCMD12_ERR_TIMEOUT (1 << 1)
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#define MVSD_AUTOCMD12_ERR_CRC (1 << 2)
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#define MVSD_AUTOCMD12_ERR_ENDBIT (1 << 3)
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#define MVSD_AUTOCMD12_ERR_INDEX (1 << 4)
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#define MVSD_AUTOCMD12_ERR_RESP_T_BIT (1 << 5)
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#define MVSD_AUTOCMD12_ERR_RESP_STARTBIT (1 << 6)
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#endif
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