/* * SD-SPI Protocol Standard * * Copyright (C) 1999-2010, Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the * following added to such license: * * As a special exception, the copyright holders of this software give you * permission to link this software with independent modules, and to copy and * distribute the resulting executable under terms of your choice, provided that * you also meet, for each linked independent module, the terms and conditions of * the license of that module. An independent module is a module which is not * derived from this software. The special exception does not apply to any * modifications of the software. * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * * $Id: sdspi.h,v 9.1.20.1 2008/05/06 22:59:19 Exp $ */ #define SPI_START_M BITFIELD_MASK(1) /* Bit [31] - Start Bit */ #define SPI_START_S 31 #define SPI_DIR_M BITFIELD_MASK(1) /* Bit [30] - Direction */ #define SPI_DIR_S 30 #define SPI_CMD_INDEX_M BITFIELD_MASK(6) /* Bits [29:24] - Command number */ #define SPI_CMD_INDEX_S 24 #define SPI_RW_M BITFIELD_MASK(1) /* Bit [23] - Read=0, Write=1 */ #define SPI_RW_S 23 #define SPI_FUNC_M BITFIELD_MASK(3) /* Bits [22:20] - Function Number */ #define SPI_FUNC_S 20 #define SPI_RAW_M BITFIELD_MASK(1) /* Bit [19] - Read After Wr */ #define SPI_RAW_S 19 #define SPI_STUFF_M BITFIELD_MASK(1) /* Bit [18] - Stuff bit */ #define SPI_STUFF_S 18 #define SPI_BLKMODE_M BITFIELD_MASK(1) /* Bit [19] - Blockmode 1=blk */ #define SPI_BLKMODE_S 19 #define SPI_OPCODE_M BITFIELD_MASK(1) /* Bit [18] - OP Code */ #define SPI_OPCODE_S 18 #define SPI_ADDR_M BITFIELD_MASK(17) /* Bits [17:1] - Address */ #define SPI_ADDR_S 1 #define SPI_STUFF0_M BITFIELD_MASK(1) /* Bit [0] - Stuff bit */ #define SPI_STUFF0_S 0 #define SPI_RSP_START_M BITFIELD_MASK(1) /* Bit [7] - Start Bit (always 0) */ #define SPI_RSP_START_S 7 #define SPI_RSP_PARAM_ERR_M BITFIELD_MASK(1) /* Bit [6] - Parameter Error */ #define SPI_RSP_PARAM_ERR_S 6 #define SPI_RSP_RFU5_M BITFIELD_MASK(1) /* Bit [5] - RFU (Always 0) */ #define SPI_RSP_RFU5_S 5 #define SPI_RSP_FUNC_ERR_M BITFIELD_MASK(1) /* Bit [4] - Function number error */ #define SPI_RSP_FUNC_ERR_S 4 #define SPI_RSP_CRC_ERR_M BITFIELD_MASK(1) /* Bit [3] - COM CRC Error */ #define SPI_RSP_CRC_ERR_S 3 #define SPI_RSP_ILL_CMD_M BITFIELD_MASK(1) /* Bit [2] - Illegal Command error */ #define SPI_RSP_ILL_CMD_S 2 #define SPI_RSP_RFU1_M BITFIELD_MASK(1) /* Bit [1] - RFU (Always 0) */ #define SPI_RSP_RFU1_S 1 #define SPI_RSP_IDLE_M BITFIELD_MASK(1) /* Bit [0] - In idle state */ #define SPI_RSP_IDLE_S 0 /* SD-SPI Protocol Definitions */ #define SDSPI_COMMAND_LEN 6 /* Number of bytes in an SD command */ #define SDSPI_START_BLOCK 0xFE /* SD Start Block Token */ #define SDSPI_IDLE_PAD 0xFF /* SD-SPI idle value for MOSI */ #define SDSPI_START_BIT_MASK 0x80