973ed3af1a
Some controllers require waiting for the bus to become idle before writing to some registers. I have implemented this by adding a hook to sd_ctrl_write16() and implementing a hook for SDHI which waits for the bus to become idle. Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Magnus Damm <magnus.damm@gmail.com> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Chris Ball <cjb@laptop.org>
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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* include/linux/mmc/tmio.h
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*
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* Copyright (C) 2007 Ian Molton
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* Copyright (C) 2004 Ian Molton
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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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* Driver for the MMC / SD / SDIO cell found in:
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*
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* TC6393XB TC6391XB TC6387XB T7L66XB ASIC3
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*/
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#ifndef LINUX_MMC_TMIO_H
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#define LINUX_MMC_TMIO_H
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#define CTL_SD_CMD 0x00
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#define CTL_ARG_REG 0x04
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#define CTL_STOP_INTERNAL_ACTION 0x08
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#define CTL_XFER_BLK_COUNT 0xa
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#define CTL_RESPONSE 0x0c
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#define CTL_STATUS 0x1c
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#define CTL_STATUS2 0x1e
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#define CTL_IRQ_MASK 0x20
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#define CTL_SD_CARD_CLK_CTL 0x24
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#define CTL_SD_XFER_LEN 0x26
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#define CTL_SD_MEM_CARD_OPT 0x28
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#define CTL_SD_ERROR_DETAIL_STATUS 0x2c
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#define CTL_SD_DATA_PORT 0x30
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#define CTL_TRANSACTION_CTL 0x34
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#define CTL_SDIO_STATUS 0x36
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#define CTL_SDIO_IRQ_MASK 0x38
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#define CTL_DMA_ENABLE 0xd8
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#define CTL_RESET_SD 0xe0
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#define CTL_SDIO_REGS 0x100
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#define CTL_CLK_AND_WAIT_CTL 0x138
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#define CTL_RESET_SDIO 0x1e0
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/* Definitions for values the CTRL_STATUS register can take. */
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#define TMIO_STAT_CMDRESPEND 0x00000001
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#define TMIO_STAT_DATAEND 0x00000004
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#define TMIO_STAT_CARD_REMOVE 0x00000008
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#define TMIO_STAT_CARD_INSERT 0x00000010
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#define TMIO_STAT_SIGSTATE 0x00000020
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#define TMIO_STAT_WRPROTECT 0x00000080
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#define TMIO_STAT_CARD_REMOVE_A 0x00000100
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#define TMIO_STAT_CARD_INSERT_A 0x00000200
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#define TMIO_STAT_SIGSTATE_A 0x00000400
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#define TMIO_STAT_CMD_IDX_ERR 0x00010000
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#define TMIO_STAT_CRCFAIL 0x00020000
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#define TMIO_STAT_STOPBIT_ERR 0x00040000
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#define TMIO_STAT_DATATIMEOUT 0x00080000
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#define TMIO_STAT_RXOVERFLOW 0x00100000
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#define TMIO_STAT_TXUNDERRUN 0x00200000
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#define TMIO_STAT_CMDTIMEOUT 0x00400000
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#define TMIO_STAT_RXRDY 0x01000000
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#define TMIO_STAT_TXRQ 0x02000000
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#define TMIO_STAT_ILL_FUNC 0x20000000
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#define TMIO_STAT_CMD_BUSY 0x40000000
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#define TMIO_STAT_ILL_ACCESS 0x80000000
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#define TMIO_BBS 512 /* Boot block size */
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#endif /* LINUX_MMC_TMIO_H */
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