diff options
Diffstat (limited to 'include/asm-arm/arch-pxa')
| -rw-r--r-- | include/asm-arm/arch-pxa/mmc.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/mmc.h b/include/asm-arm/arch-pxa/mmc.h new file mode 100644 index 0000000..4d61ade --- /dev/null +++ b/include/asm-arm/arch-pxa/mmc.h @@ -0,0 +1,200 @@ +/* + * linux/drivers/mmc/mmc_pxa.h + * + * Author: Vladimir Shebordaev, Igor Oblakov + * Copyright: MontaVista Software Inc. + * + * $Id: mmc_pxa.h,v 0.3.1.6 2002/09/25 19:25:48 ted Exp ted $ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __MMC_PXA_P_H__ +#define __MMC_PXA_P_H__ + +/* PXA-250 MMC controller registers */ + +/* MMC_STRPCL */ +#define MMC_STRPCL_STOP_CLK (0x0001UL) +#define MMC_STRPCL_START_CLK (0x0002UL) + +/* MMC_STAT */ +#define MMC_STAT_END_CMD_RES (0x0001UL << 13) +#define MMC_STAT_PRG_DONE (0x0001UL << 12) +#define MMC_STAT_DATA_TRAN_DONE (0x0001UL << 11) +#define MMC_STAT_CLK_EN (0x0001UL << 8) +#define MMC_STAT_RECV_FIFO_FULL (0x0001UL << 7) +#define MMC_STAT_XMIT_FIFO_EMPTY (0x0001UL << 6) +#define MMC_STAT_RES_CRC_ERROR (0x0001UL << 5) +#define MMC_STAT_SPI_READ_ERROR_TOKEN (0x0001UL << 4) +#define MMC_STAT_CRC_READ_ERROR (0x0001UL << 3) +#define MMC_STAT_CRC_WRITE_ERROR (0x0001UL << 2) +#define MMC_STAT_TIME_OUT_RESPONSE (0x0001UL << 1) +#define MMC_STAT_READ_TIME_OUT (0x0001UL) + +#define MMC_STAT_ERRORS (MMC_STAT_RES_CRC_ERROR|MMC_STAT_SPI_READ_ERROR_TOKEN\ + |MMC_STAT_CRC_READ_ERROR|MMC_STAT_TIME_OUT_RESPONSE\ + |MMC_STAT_READ_TIME_OUT|MMC_STAT_CRC_WRITE_ERROR) + +/* MMC_CLKRT */ +#define MMC_CLKRT_20MHZ (0x0000UL) +#define MMC_CLKRT_10MHZ (0x0001UL) +#define MMC_CLKRT_5MHZ (0x0002UL) +#define MMC_CLKRT_2_5MHZ (0x0003UL) +#define MMC_CLKRT_1_25MHZ (0x0004UL) +#define MMC_CLKRT_0_625MHZ (0x0005UL) +#define MMC_CLKRT_0_3125MHZ (0x0006UL) + +/* MMC_SPI */ +#define MMC_SPI_DISABLE (0x00UL) +#define MMC_SPI_EN (0x01UL) +#define MMC_SPI_CS_EN (0x01UL << 2) +#define MMC_SPI_CS_ADDRESS (0x01UL << 3) +#define MMC_SPI_CRC_ON (0x01UL << 1) + +/* MMC_CMDAT */ +#define MMC_CMDAT_MMC_DMA_EN (0x0001UL << 7) +#define MMC_CMDAT_INIT (0x0001UL << 6) +#define MMC_CMDAT_BUSY (0x0001UL << 5) +#define MMC_CMDAT_STREAM (0x0001UL << 4) +#define MMC_CMDAT_BLOCK (0x0000UL << 4) +#define MMC_CMDAT_WRITE (0x0001UL << 3) +#define MMC_CMDAT_READ (0x0000UL << 3) +#define MMC_CMDAT_DATA_EN (0x0001UL << 2) +#define MMC_CMDAT_R1 (0x0001UL) +#define MMC_CMDAT_R2 (0x0002UL) +#define MMC_CMDAT_R3 (0x0003UL) + +/* MMC_RESTO */ +#define MMC_RES_TO_MAX (0x007fUL) /* [6:0] */ + +/* MMC_RDTO */ +#define MMC_READ_TO_MAX (0x0ffffUL) /* [15:0] */ + +/* MMC_BLKLEN */ +#define MMC_BLK_LEN_MAX (0x03ffUL) /* [9:0] */ + +/* MMC_PRTBUF */ +#define MMC_PRTBUF_BUF_PART_FULL (0x01UL) +#define MMC_PRTBUF_BUF_FULL (0x00UL ) + +/* MMC_I_MASK */ +#define MMC_I_MASK_TXFIFO_WR_REQ (0x01UL << 6) +#define MMC_I_MASK_RXFIFO_RD_REQ (0x01UL << 5) +#define MMC_I_MASK_CLK_IS_OFF (0x01UL << 4) +#define MMC_I_MASK_STOP_CMD (0x01UL << 3) +#define MMC_I_MASK_END_CMD_RES (0x01UL << 2) +#define MMC_I_MASK_PRG_DONE (0x01UL << 1) +#define MMC_I_MASK_DATA_TRAN_DONE (0x01UL) +#define MMC_I_MASK_ALL (0x07fUL) + + +/* MMC_I_REG */ +#define MMC_I_REG_TXFIFO_WR_REQ (0x01UL << 6) +#define MMC_I_REG_RXFIFO_RD_REQ (0x01UL << 5) +#define MMC_I_REG_CLK_IS_OFF (0x01UL << 4) +#define MMC_I_REG_STOP_CMD (0x01UL << 3) +#define MMC_I_REG_END_CMD_RES (0x01UL << 2) +#define MMC_I_REG_PRG_DONE (0x01UL << 1) +#define MMC_I_REG_DATA_TRAN_DONE (0x01UL) +#define MMC_I_REG_ALL (0x007fUL) + +/* MMC_CMD */ +#define MMC_CMD_INDEX_MAX (0x006fUL) /* [5:0] */ +#define CMD(x) (x) + +#define MMC_DEFAULT_RCA 1 + +#define MMC_BLOCK_SIZE 512 +#define MMC_CMD_RESET 0 +#define MMC_CMD_SEND_OP_COND 1 +#define MMC_CMD_ALL_SEND_CID 2 +#define MMC_CMD_SET_RCA 3 +#define MMC_CMD_SEND_CSD 9 +#define MMC_CMD_SEND_CID 10 +#define MMC_CMD_SEND_STATUS 13 +#define MMC_CMD_SET_BLOCKLEN 16 +#define MMC_CMD_READ_BLOCK 17 +#define MMC_CMD_RD_BLK_MULTI 18 +#define MMC_CMD_WRITE_BLOCK 24 + +#define MMC_MAX_BLOCK_SIZE 512 + +#define MMC_R1_IDLE_STATE 0x01 +#define MMC_R1_ERASE_STATE 0x02 +#define MMC_R1_ILLEGAL_CMD 0x04 +#define MMC_R1_COM_CRC_ERR 0x08 +#define MMC_R1_ERASE_SEQ_ERR 0x01 +#define MMC_R1_ADDR_ERR 0x02 +#define MMC_R1_PARAM_ERR 0x04 + +#define MMC_R1B_WP_ERASE_SKIP 0x0002 +#define MMC_R1B_ERR 0x0004 +#define MMC_R1B_CC_ERR 0x0008 +#define MMC_R1B_CARD_ECC_ERR 0x0010 +#define MMC_R1B_WP_VIOLATION 0x0020 +#define MMC_R1B_ERASE_PARAM 0x0040 +#define MMC_R1B_OOR 0x0080 +#define MMC_R1B_IDLE_STATE 0x0100 +#define MMC_R1B_ERASE_RESET 0x0200 +#define MMC_R1B_ILLEGAL_CMD 0x0400 +#define MMC_R1B_COM_CRC_ERR 0x0800 +#define MMC_R1B_ERASE_SEQ_ERR 0x1000 +#define MMC_R1B_ADDR_ERR 0x2000 +#define MMC_R1B_PARAM_ERR 0x4000 + +typedef struct mmc_cid +{ +/* FIXME: BYTE_ORDER */ + uchar year:4, + month:4; + uchar sn[3]; + uchar fwrev:4, + hwrev:4; + uchar name[6]; + uchar id[3]; +} mmc_cid_t; + +typedef struct mmc_csd +{ + uchar ecc:2, + file_format:2, + tmp_write_protect:1, + perm_write_protect:1, + copy:1, + file_format_grp:1; + uint64_t content_prot_app:1, + rsvd3:4, + write_bl_partial:1, + write_bl_len:4, + r2w_factor:3, + default_ecc:2, + wp_grp_enable:1, + wp_grp_size:5, + erase_grp_mult:5, + erase_grp_size:5, + c_size_mult1:3, + vdd_w_curr_max:3, + vdd_w_curr_min:3, + vdd_r_curr_max:3, + vdd_r_curr_min:3, + c_size:12, + rsvd2:2, + dsr_imp:1, + read_blk_misalign:1, + write_blk_misalign:1, + read_bl_partial:1; + + ushort read_bl_len:4, + ccc:12; + uchar tran_speed; + uchar nsac; + uchar taac; + uchar rsvd1:2, + spec_vers:4, + csd_structure:2; +} mmc_csd_t; + + +#endif /* __MMC_PXA_P_H__ */ |