1 /* 2 * SD-SPI Protocol Standard 3 * 4 * Copyright (C) 1999-2010, Broadcom Corporation 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * 24 * $Id: sdspi.h,v 9.1.20.1 2008/05/06 22:59:19 Exp $ 25 */ 26 27 #define SPI_START_M BITFIELD_MASK(1) /* Bit [31] - Start Bit */ 28 #define SPI_START_S 31 29 #define SPI_DIR_M BITFIELD_MASK(1) /* Bit [30] - Direction */ 30 #define SPI_DIR_S 30 31 #define SPI_CMD_INDEX_M BITFIELD_MASK(6) /* Bits [29:24] - Command number */ 32 #define SPI_CMD_INDEX_S 24 33 #define SPI_RW_M BITFIELD_MASK(1) /* Bit [23] - Read=0, Write=1 */ 34 #define SPI_RW_S 23 35 #define SPI_FUNC_M BITFIELD_MASK(3) /* Bits [22:20] - Function Number */ 36 #define SPI_FUNC_S 20 37 #define SPI_RAW_M BITFIELD_MASK(1) /* Bit [19] - Read After Wr */ 38 #define SPI_RAW_S 19 39 #define SPI_STUFF_M BITFIELD_MASK(1) /* Bit [18] - Stuff bit */ 40 #define SPI_STUFF_S 18 41 #define SPI_BLKMODE_M BITFIELD_MASK(1) /* Bit [19] - Blockmode 1=blk */ 42 #define SPI_BLKMODE_S 19 43 #define SPI_OPCODE_M BITFIELD_MASK(1) /* Bit [18] - OP Code */ 44 #define SPI_OPCODE_S 18 45 #define SPI_ADDR_M BITFIELD_MASK(17) /* Bits [17:1] - Address */ 46 #define SPI_ADDR_S 1 47 #define SPI_STUFF0_M BITFIELD_MASK(1) /* Bit [0] - Stuff bit */ 48 #define SPI_STUFF0_S 0 49 50 #define SPI_RSP_START_M BITFIELD_MASK(1) /* Bit [7] - Start Bit (always 0) */ 51 #define SPI_RSP_START_S 7 52 #define SPI_RSP_PARAM_ERR_M BITFIELD_MASK(1) /* Bit [6] - Parameter Error */ 53 #define SPI_RSP_PARAM_ERR_S 6 54 #define SPI_RSP_RFU5_M BITFIELD_MASK(1) /* Bit [5] - RFU (Always 0) */ 55 #define SPI_RSP_RFU5_S 5 56 #define SPI_RSP_FUNC_ERR_M BITFIELD_MASK(1) /* Bit [4] - Function number error */ 57 #define SPI_RSP_FUNC_ERR_S 4 58 #define SPI_RSP_CRC_ERR_M BITFIELD_MASK(1) /* Bit [3] - COM CRC Error */ 59 #define SPI_RSP_CRC_ERR_S 3 60 #define SPI_RSP_ILL_CMD_M BITFIELD_MASK(1) /* Bit [2] - Illegal Command error */ 61 #define SPI_RSP_ILL_CMD_S 2 62 #define SPI_RSP_RFU1_M BITFIELD_MASK(1) /* Bit [1] - RFU (Always 0) */ 63 #define SPI_RSP_RFU1_S 1 64 #define SPI_RSP_IDLE_M BITFIELD_MASK(1) /* Bit [0] - In idle state */ 65 #define SPI_RSP_IDLE_S 0 66 67 /* SD-SPI Protocol Definitions */ 68 #define SDSPI_COMMAND_LEN 6 /* Number of bytes in an SD command */ 69 #define SDSPI_START_BLOCK 0xFE /* SD Start Block Token */ 70 #define SDSPI_IDLE_PAD 0xFF /* SD-SPI idle value for MOSI */ 71 #define SDSPI_START_BIT_MASK 0x80 72
