at91bootstrap-at91sam9263-ek-gnu.zip_9263_AT91Bootstrap_at91sam9

/* ---------------------------------------------------------------------------- * ATMEL Microcontroller Software Support * ---------------------------------------------------------------------------- * Copyright (c) 2008, Atmel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the disclaimer below. * * Atmel's name may not be used to endorse or promote products derived from * this software without specific prior written permission. * * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ---------------------------------------------------------------------------- */ //------------------------------------------------------------------------------ // Headers //------------------------------------------------------------------------------ #include <mci/mci.h> #include "sdmmc_mci.h" #include <board.h> #include <utility/assert.h> #include <utility/trace.h> #include <string.h> //------------------------------------------------------------------------------ // Local constants //------------------------------------------------------------------------------ // SD card operation states #define SD_STATE_STBY 0 #define SD_STATE_DATA 1 #define SD_STATE_RCV 2 // Card type #define UNKNOWN_CARD 0 #define CARD_SD 1 #define CARD_SDHC 2 #define CARD_MMC 3 // Delay between sending MMC commands #define MMC_DELAY 0x4FF #define SD_ADDRESS(pSd, address) (((pSd)->cardType == CARD_SDHC) ? \ (address):((address) << SD_BLOCK_SIZE_BIT)) //----------------------------------------------------------------------------- /// MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS /// R1 is the low order byte; R2 is the next highest byte, when present. //----------------------------------------------------------------------------- #define R1_SPI_IDLE (1 << 0) #define R1_SPI_ERASE_RESET (1 << 1) #define R1_SPI_ILLEGAL_COMMAND (1 << 2) #define R1_SPI_COM_CRC (1 << 3) #define R1_SPI_ERASE_SEQ (1 << 4) #define R1_SPI_ADDRESS (1 << 5) #define R1_SPI_PARAMETER (1 << 6) // R1 bit 7 is always zero #define R2_SPI_CARD_LOCKED (1 << 0) #define R2_SPI_WP_ERASE_SKIP (1 << 1) #define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP #define R2_SPI_ERROR (1 << 2) #define R2_SPI_CC_ERROR (1 << 3) #define R2_SPI_CARD_ECC_ERROR (1 << 4) #define R2_SPI_WP_VIOLATION (1 << 5) #define R2_SPI_ERASE_PARAM (1 << 6) #define R2_SPI_OUT_OF_RANGE (1 << 7) #define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE // Status register constants #define STATUS_READY_FOR_DATA (1 << 8) #define STATUS_IDLE (0 << 9) #define STATUS_READY (1 << 9) #define STATUS_IDENT (2 << 9) #define STATUS_STBY (3 << 9) #define STATUS_TRAN (4 << 9) #define STATUS_DATA (5 << 9) #define STATUS_RCV (6 << 9) #define STATUS_PRG (7 << 9) #define STATUS_DIS (8 << 9) #define STATUS_STATE (0xF << 9) //----------------------------------------------------------------------------- /// OCR Register //----------------------------------------------------------------------------- #define AT91C_VDD_16_17 (1 << 4) #define AT91C_VDD_17_18 (1 << 5) #define AT91C_VDD_18_19 (1 << 6) #define AT91C_VDD_19_20 (1 << 7) #define AT91C_VDD_20_21 (1 << 8) #define AT91C_VDD_21_22 (1 << 9) #define AT91C_VDD_22_23 (1 << 10) #define AT91C_VDD_23_24 (1 << 11) #define AT91C_VDD_24_25 (1 << 12) #define AT91C_VDD_25_26 (1 << 13) #define AT91C_VDD_26_27 (1 << 14) #define AT91C_VDD_27_28 (1 << 15) #define AT91C_VDD_28_29 (1 << 16) #define AT91C_VDD_29_30 (1 << 17) #define AT91C_VDD_30_31 (1 << 18) #define AT91C_VDD_31_32 (1 << 19) #define AT91C_VDD_32_33 (1 << 20) #define AT91C_VDD_33_34 (1 << 21) #define AT91C_VDD_34_35 (1 << 22) #define AT91C_VDD_35_36 (1 << 23) #define AT91C_CARD_POWER_UP_BUSY (1 << 31) #define AT91C_MMC_HOST_VOLTAGE_RANGE (AT91C_VDD_27_28 +\ AT91C_VDD_28_29 +\ AT91C_VDD_29_30 +\ AT91C_VDD_30_31 +\ AT91C_VDD_31_32 +\ AT91C_VDD_32_33) #define AT91C_CCS (1 << 30) // MCI_CMD Register Value #define AT91C_POWER_ON_INIT (0 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_INIT | AT91C_MCI_OPDCMD) //----------------------------------------------------------------------------- // Command Classes //----------------------------------------------------------------------------- // // Class 0, 2, 4, 5, 7 and 8 are mandatory and shall be supported by all SD Memory Cards. // Basic Commands (class 0) // // Cmd0 MCI + SPI #define AT91C_GO_IDLE_STATE_CMD (0 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE ) // Cmd1 SPI #define AT91C_MMC_SEND_OP_COND_CMD (1 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_OPDCMD) // Cmd2 MCI #define AT91C_ALL_SEND_CID_CMD (2 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_136 ) // Cmd3 MCI #define AT91C_SET_RELATIVE_ADDR_CMD (3 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT ) // Cmd4 MCI //#define AT91C_SET_DSR_CMD (4 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_NO | AT91C_MCI_MAXLAT ) // cmd7 MCI #define AT91C_SEL_DESEL_CARD_CMD (7 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT ) // Cmd8 MCI + SPI #define AT91C_SEND_IF_COND (8 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT ) // Cmd9 MCI + SPI #define AT91C_SEND_CSD_CMD (9 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_136 | AT91C_MCI_MAXLAT ) // Cmd10 MCI + SPI #define AT91C_SEND_CID_CMD (10 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_136 | AT91C_MCI_MAXLAT ) // Cmd12 MCI + SPI #define AT91C_STOP_TRANSMISSION_CMD (12 | AT91C_MCI_TRCMD_STOP | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT ) // Cmd13 MCI + SPI #define AT91C_SEND_STATUS_CMD (13 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT ) // Cmd15 MCI //#define AT91C_GO_INACTIVE_STATE_CMD (15 | AT91C_MCI_RSPTYP_NO ) // Cmd58 SPI #define AT91C_READ_OCR_CMD (58 | AT91C_MCI_RSPTYP_48 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_MAXLAT ) // Cmd59 SPI #define AT91C_CRC_ON_OFF_CMD (59 | AT91C_MCI_RSPTYP_48 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_MAXLAT ) //#define