--- /dev/null
+diff -urN romboot.old/asm_mci_isr.S romboot/asm_mci_isr.S
+--- romboot.old/asm_mci_isr.S 1970-01-01 01:00:00.000000000 +0100
++++ romboot/asm_mci_isr.S 2007-03-22 18:52:05.000000000 +0100
+@@ -0,0 +1,75 @@
++#include <AT91RM9200_inc.h>
++
++#define ARM_MODE_USER 0x10
++#define ARM_MODE_FIQ 0x11
++#define ARM_MODE_IRQ 0x12
++#define ARM_MODE_SVC 0x13
++#define ARM_MODE_ABORT 0x17
++#define ARM_MODE_UNDEF 0x1B
++#define ARM_MODE_SYS 0x1F
++
++#define I_BIT 0x80
++#define F_BIT 0x40
++#define T_BIT 0x20
++
++
++/* -----------------------------------------------------------------------------
++ AT91F_ASM_MCI_Handler
++ ---------------------
++ Handler called by the AIC
++
++ Save context
++ Call C handler
++ Restore context
++ ----------------------------------------------------------------------------- */
++
++.global AT91F_ASM_MCI_Handler
++
++AT91F_ASM_MCI_Handler:
++/* Adjust and save LR_irq in IRQ stack */
++ sub r14, r14, #4
++ stmfd sp!, {r14}
++
++/* Write in the IVR to support Protect Mode
++ No effect in Normal Mode
++ De-assert the NIRQ and clear the source in Protect Mode */
++ ldr r14, =AT91C_BASE_AIC
++ str r14, [r14, #AIC_IVR]
++
++/* Save SPSR and r0 in IRQ stack */
++ mrs r14, SPSR
++ stmfd sp!, {r0, r14}
++
++/* Enable Interrupt and Switch in SYS Mode */
++ mrs r0, CPSR
++ bic r0, r0, #I_BIT
++ orr r0, r0, #ARM_MODE_SYS
++ msr CPSR_c, r0
++
++/* Save scratch/used registers and LR in User Stack */
++ stmfd sp!, { r1-r3, r12, r14}
++
++ ldr r1, =AT91F_MCI_Handler
++ mov r14, pc
++ bx r1
++
++/* Restore scratch/used registers and LR from User Stack */
++ ldmia sp!, { r1-r3, r12, r14}
++
++/* Disable Interrupt and switch back in IRQ mode */
++ mrs r0, CPSR
++ bic r0, r0, #ARM_MODE_SYS
++ orr r0, r0, #I_BIT | ARM_MODE_IRQ
++ msr CPSR_c, r0
++
++/* Mark the End of Interrupt on the AIC */
++ ldr r0, =AT91C_BASE_AIC
++ str r0, [r0, #AIC_EOICR]
++
++/* Restore SPSR_irq and r0 from IRQ stack */
++ ldmia sp!, {r0, r14}
++ msr SPSR_cxsf, r14
++
++/* Restore adjusted LR_irq from IRQ stack directly in the PC */
++ ldmia sp!, {pc}^
++
+diff -urN romboot.old/compile romboot/compile
+--- romboot.old/compile 2004-08-04 18:24:24.000000000 +0200
++++ romboot/compile 1970-01-01 01:00:00.000000000 +0100
+@@ -1,35 +0,0 @@
+-#!/bin/sh
+-
+-OUTPUT=romboot
+-
+-CROSS=/space/arm/buildroot/build_arm_nofpu/staging_dir/bin/arm-linux-
+-#CROSS=/opt/cross/bin/arm-linux-
+-#GCC="$CROSS"gcc
+-GCC="$CROSS"gcc-msoft-float
+-LD="$CROSS"ld
+-OBJCOPY="$CROSS"objcopy
+-SIZE="$CROSS"size
+-OBJDUMP="$CROSS"objdump
+-
+-LDFLAGS="-T elf32-littlearm.lds -Ttext 0"
+-
+-$GCC asm_isr.S -c -Iinclude
+-$GCC cstartup_ram.S -c -Iinclude
+-$GCC jump.S -c -Iinclude
+-$GCC at45.cpp -c -Iinclude -Os
+-$GCC com.cpp -c -Iinclude -Os
+-$GCC dataflash.cpp -c -Iinclude -Os
+-$GCC init.cpp -c -Iinclude -Os
+-$GCC main.cpp -c -Iinclude -Os
+-$GCC -c stdio.cpp -Os
+-$GCC -c _udivsi3.S
+-$GCC -c _umodsi3.S
+-$GCC -c div0.c -Os
+-
+-$LD cstartup_ram.o asm_isr.o jump.o at45.o com.o dataflash.o init.o main.o stdio.o _udivsi3.o _umodsi3.o div0.o -o $OUTPUT.out $LDFLAGS -n
+-
+-$OBJCOPY $OUTPUT.out -O binary $OUTPUT.bin
+-
+-$OBJDUMP -h -s $OUTPUT.out > $OUTPUT.lss
+-
+-$SIZE $OUTPUT.out
+diff -urN romboot.old/include/AT91C_MCI_Device.h romboot/include/AT91C_MCI_Device.h
+--- romboot.old/include/AT91C_MCI_Device.h 1970-01-01 01:00:00.000000000 +0100
++++ romboot/include/AT91C_MCI_Device.h 2007-03-22 18:53:51.000000000 +0100
+@@ -0,0 +1,379 @@
++//*---------------------------------------------------------------------------
++//* ATMEL Microcontroller Software Support - ROUSSET -
++//*---------------------------------------------------------------------------
++//* The software is delivered "AS IS" without warranty or condition of any
++//* kind, either express, implied or statutory. This includes without
++//* limitation any warranty or condition with respect to merchantability or
++//* fitness for any particular purpose, or against the infringements of
++//* intellectual property rights of others.
++//*---------------------------------------------------------------------------
++//* File Name : AT91C_MCI_Device.h
++//* Object : Data Flash Atmel Description File
++//* Translator :
++//*
++//* 1.0 26/11/02 FB : Creation
++//*---------------------------------------------------------------------------
++
++#ifndef AT91C_MCI_Device_h
++#define AT91C_MCI_Device_h
++
++#include "AT91RM9200.h"
++#include "lib_AT91RM9200.h"
++
++typedef unsigned int AT91S_MCIDeviceStatus;
++
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++
++#define AT91C_CARD_REMOVED 0
++#define AT91C_MMC_CARD_INSERTED 1
++#define AT91C_SD_CARD_INSERTED 2
++
++#define AT91C_NO_ARGUMENT 0x0
++
++#define AT91C_FIRST_RCA 0xCAFE
++#define AT91C_MAX_MCI_CARDS 10
++
++#define AT91C_BUS_WIDTH_1BIT 0x00
++#define AT91C_BUS_WIDTH_4BITS 0x02
++
++/* Driver State */
++#define AT91C_MCI_IDLE 0x0
++#define AT91C_MCI_TIMEOUT_ERROR 0x1
++#define AT91C_MCI_RX_SINGLE_BLOCK 0x2
++#define AT91C_MCI_RX_MULTIPLE_BLOCK 0x3
++#define AT91C_MCI_RX_STREAM 0x4
++#define AT91C_MCI_TX_SINGLE_BLOCK 0x5
++#define AT91C_MCI_TX_MULTIPLE_BLOCK 0x6
++#define AT91C_MCI_TX_STREAM 0x7
++
++/* TimeOut */
++#define AT91C_TIMEOUT_CMDRDY 30
++
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++// MMC & SDCard Structures
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++
++/*-----------------------------------------------*/
++/* SDCard Device Descriptor Structure Definition */
++/*-----------------------------------------------*/
++typedef struct _AT91S_MciDeviceDesc
++{
++ volatile unsigned char state;
++ unsigned char SDCard_bus_width;
++
++} AT91S_MciDeviceDesc, *AT91PS_MciDeviceDesc;
++
++/*---------------------------------------------*/
++/* MMC & SDCard Structure Device Features */
++/*---------------------------------------------*/
++typedef struct _AT91S_MciDeviceFeatures
++{
++ unsigned char Card_Inserted; // (0=AT91C_CARD_REMOVED) (1=AT91C_MMC_CARD_INSERTED) (2=AT91C_SD_CARD_INSERTED)
++ unsigned int Relative_Card_Address; // RCA
++ unsigned int Max_Read_DataBlock_Length; // 2^(READ_BL_LEN) in CSD
++ unsigned int Max_Write_DataBlock_Length; // 2^(WRITE_BL_LEN) in CSD
++ unsigned char Read_Partial; // READ_BL_PARTIAL
++ unsigned char Write_Partial; // WRITE_BL_PARTIAL
++ unsigned char Erase_Block_Enable; // ERASE_BLK_EN
++ unsigned char Read_Block_Misalignment; // READ_BLK_MISALIGN
++ unsigned char Write_Block_Misalignment; // WRITE_BLK_MISALIGN
++ unsigned char Sector_Size; // SECTOR_SIZE
++ unsigned int Memory_Capacity; // Size in bits of the device
++
++} AT91S_MciDeviceFeatures, *AT91PS_MciDeviceFeatures ;
++
++/*---------------------------------------------*/
++/* MCI Device Structure Definition */
++/*---------------------------------------------*/
++typedef struct _AT91S_MciDevice
++{
++ AT91PS_MciDeviceDesc pMCI_DeviceDesc; // MCI device descriptor
++ AT91PS_MciDeviceFeatures pMCI_DeviceFeatures;// Pointer on a MCI device features array
++}AT91S_MciDevice, *AT91PS_MciDevice;
++
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++// MCI_CMD Register Value
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++#define AT91C_POWER_ON_INIT (0 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_INIT | AT91C_MCI_OPDCMD)
++
++/////////////////////////////////////////////////////////////////
++// Class 0 & 1 commands: Basic commands and Read Stream commands
++/////////////////////////////////////////////////////////////////
++
++#define AT91C_GO_IDLE_STATE_CMD (0 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE )
++#define AT91C_MMC_GO_IDLE_STATE_CMD (0 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_OPDCMD)
++#define AT91C_MMC_SEND_OP_COND_CMD (1 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_OPDCMD)
++#define AT91C_ALL_SEND_CID_CMD (2 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_136 )
++#define AT91C_MMC_ALL_SEND_CID_CMD (2 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_136 | AT91C_MCI_OPDCMD)
++#define AT91C_SET_RELATIVE_ADDR_CMD (3 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT )
++#define AT91C_MMC_SET_RELATIVE_ADDR_CMD (3 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT | AT91C_MCI_OPDCMD)
++
++#define AT91C_SET_DSR_CMD (4 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_NO | AT91C_MCI_MAXLAT ) // no tested
++
++#define AT91C_SEL_DESEL_CARD_CMD (7 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT )
++#define AT91C_SEND_CSD_CMD (9 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_136 | AT91C_MCI_MAXLAT )
++#define AT91C_SEND_CID_CMD (10 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_136 | AT91C_MCI_MAXLAT )
++#define AT91C_MMC_READ_DAT_UNTIL_STOP_CMD (11 | AT91C_MCI_TRTYP_STREAM| AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRDIR | AT91C_MCI_TRCMD_START | AT91C_MCI_MAXLAT )
++
++#define AT91C_STOP_TRANSMISSION_CMD (12 | AT91C_MCI_TRCMD_STOP | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT )
++#define AT91C_STOP_TRANSMISSION_SYNC_CMD (12 | AT91C_MCI_TRCMD_STOP | AT91C_MCI_SPCMD_SYNC | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT )
++#define AT91C_SEND_STATUS_CMD (13 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT )
++#define AT91C_GO_INACTIVE_STATE_CMD (15 | AT91C_MCI_RSPTYP_NO )
++
++//*------------------------------------------------
++//* Class 2 commands: Block oriented Read commands
++//*------------------------------------------------
++
++#define AT91C_SET_BLOCKLEN_CMD (16 | AT91C_MCI_TRCMD_NO | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT )
++#define AT91C_READ_SINGLE_BLOCK_CMD (17 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_START | AT91C_MCI_TRTYP_BLOCK | AT91C_MCI_TRDIR | AT91C_MCI_MAXLAT)
++#define AT91C_READ_MULTIPLE_BLOCK_CMD (18 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_START | AT91C_MCI_TRTYP_MULTIPLE | AT91C_MCI_TRDIR | AT91C_MCI_MAXLAT)
++
++//*--------------------------------------------
++//* Class 3 commands: Sequential write commands
++//*--------------------------------------------
++
++#define AT91C_MMC_WRITE_DAT_UNTIL_STOP_CMD (20 | AT91C_MCI_TRTYP_STREAM| AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 & ~(AT91C_MCI_TRDIR) | AT91C_MCI_TRCMD_START | AT91C_MCI_MAXLAT ) // MMC
++
++//*------------------------------------------------
++//* Class 4 commands: Block oriented write commands
++//*------------------------------------------------
++
++#define AT91C_WRITE_BLOCK_CMD (24 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_START | (AT91C_MCI_TRTYP_BLOCK & ~(AT91C_MCI_TRDIR)) | AT91C_MCI_MAXLAT)
++#define AT91C_WRITE_MULTIPLE_BLOCK_CMD (25 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_START | (AT91C_MCI_TRTYP_MULTIPLE & ~(AT91C_MCI_TRDIR)) | AT91C_MCI_MAXLAT)
++#define AT91C_PROGRAM_CSD_CMD (27 | AT91C_MCI_RSPTYP_48 )
++
++
++//*----------------------------------------
++//* Class 6 commands: Group Write protect
++//*----------------------------------------
++
++#define AT91C_SET_WRITE_PROT_CMD (28 | AT91C_MCI_RSPTYP_48 )
++#define AT91C_CLR_WRITE_PROT_CMD (29 | AT91C_MCI_RSPTYP_48 )
++#define AT91C_SEND_WRITE_PROT_CMD (30 | AT91C_MCI_RSPTYP_48 )
++
++
++//*----------------------------------------
++//* Class 5 commands: Erase commands
++//*----------------------------------------
++
++#define AT91C_TAG_SECTOR_START_CMD (32 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++#define AT91C_TAG_SECTOR_END_CMD (33 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++#define AT91C_MMC_UNTAG_SECTOR_CMD (34 | AT91C_MCI_RSPTYP_48 )
++#define AT91C_MMC_TAG_ERASE_GROUP_START_CMD (35 | AT91C_MCI_RSPTYP_48 )
++#define AT91C_MMC_TAG_ERASE_GROUP_END_CMD (36 | AT91C_MCI_RSPTYP_48 )
++#define AT91C_MMC_UNTAG_ERASE_GROUP_CMD (37 | AT91C_MCI_RSPTYP_48 )
++#define AT91C_ERASE_CMD (38 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT )
++
++//*----------------------------------------
++//* Class 7 commands: Lock commands
++//*----------------------------------------
++
++#define AT91C_LOCK_UNLOCK (42 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT) // no tested
++
++//*-----------------------------------------------
++// Class 8 commands: Application specific commands
++//*-----------------------------------------------
++
++#define AT91C_APP_CMD (55 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++#define AT91C_GEN_CMD (56 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT) // no tested
++
++#define AT91C_SDCARD_SET_BUS_WIDTH_CMD (6 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++#define AT91C_SDCARD_STATUS_CMD (13 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++#define AT91C_SDCARD_SEND_NUM_WR_BLOCKS_CMD (22 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++#define AT91C_SDCARD_SET_WR_BLK_ERASE_COUNT_CMD (23 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++#define AT91C_SDCARD_APP_OP_COND_CMD (41 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO )
++#define AT91C_SDCARD_SET_CLR_CARD_DETECT_CMD (42 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++#define AT91C_SDCARD_SEND_SCR_CMD (51 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++
++#define AT91C_SDCARD_APP_ALL_CMD (AT91C_SDCARD_SET_BUS_WIDTH_CMD +\
++ AT91C_SDCARD_STATUS_CMD +\
++ AT91C_SDCARD_SEND_NUM_WR_BLOCKS_CMD +\
++ AT91C_SDCARD_SET_WR_BLK_ERASE_COUNT_CMD +\
++ AT91C_SDCARD_APP_OP_COND_CMD +\
++ AT91C_SDCARD_SET_CLR_CARD_DETECT_CMD +\
++ AT91C_SDCARD_SEND_SCR_CMD)
++
++//*----------------------------------------
++//* Class 9 commands: IO Mode commands
++//*----------------------------------------
++
++#define AT91C_MMC_FAST_IO_CMD (39 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_MAXLAT)
++#define AT91C_MMC_GO_IRQ_STATE_CMD (40 | AT91C_MCI_SPCMD_NONE | AT91C_MCI_RSPTYP_48 | AT91C_MCI_TRCMD_NO | AT91C_MCI_MAXLAT)
++
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++// Functions returnals
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++#define AT91C_CMD_SEND_OK 0 // Command ok
++#define AT91C_CMD_SEND_ERROR -1 // Command failed
++#define AT91C_INIT_OK 2 // Init Successfull
++#define AT91C_INIT_ERROR 3 // Init Failed
++#define AT91C_READ_OK 4 // Read Successfull
++#define AT91C_READ_ERROR 5 // Read Failed
++#define AT91C_WRITE_OK 6 // Write Successfull
++#define AT91C_WRITE_ERROR 7 // Write Failed
++#define AT91C_ERASE_OK 8 // Erase Successfull
++#define AT91C_ERASE_ERROR 9 // Erase Failed
++#define AT91C_CARD_SELECTED_OK 10 // Card Selection Successfull
++#define AT91C_CARD_SELECTED_ERROR 11 // Card Selection Failed
++
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++// MCI_SR Errors
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++#define AT91C_MCI_SR_ERROR (AT91C_MCI_UNRE |\
++ AT91C_MCI_OVRE |\
++ AT91C_MCI_DTOE |\
++ AT91C_MCI_DCRCE |\
++ AT91C_MCI_RTOE |\
++ AT91C_MCI_RENDE |\
++ AT91C_MCI_RCRCE |\
++ AT91C_MCI_RDIRE |\
++ AT91C_MCI_RINDE)
++
++////////////////////////////////////////////////////////////////////////////////////////////////////
++// 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)
++
++////////////////////////////////////////////////////////////////////////////////////////////////////
++// CURRENT_STATE & READY_FOR_DATA in SDCard Status Register definition (response type R1)
++////////////////////////////////////////////////////////////////////////////////////////////////////
++#define AT91C_SR_READY_FOR_DATA (1 << 8) // corresponds to buffer empty signalling on the bus
++#define AT91C_SR_IDLE (0 << 9)
++#define AT91C_SR_READY (1 << 9)
++#define AT91C_SR_IDENT (2 << 9)
++#define AT91C_SR_STBY (3 << 9)
++#define AT91C_SR_TRAN (4 << 9)
++#define AT91C_SR_DATA (5 << 9)
++#define AT91C_SR_RCV (6 << 9)
++#define AT91C_SR_PRG (7 << 9)
++#define AT91C_SR_DIS (8 << 9)
++
++#define AT91C_SR_CARD_SELECTED (AT91C_SR_READY_FOR_DATA + AT91C_SR_TRAN)
++
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++// MMC CSD register header File
++// AT91C_CSD_xxx_S for shift value
++// AT91C_CSD_xxx_M for mask value
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++
++// First Response INT <=> CSD[3] : bits 0 to 31
++#define AT91C_CSD_BIT0_S 0 // [0:0]
++#define AT91C_CSD_BIT0_M 0x01
++#define AT91C_CSD_CRC_S 1 // [7:1]
++#define AT91C_CSD_CRC_M 0x7F
++#define AT91C_CSD_MMC_ECC_S 8 // [9:8] reserved for MMC compatibility
++#define AT91C_CSD_MMC_ECC_M 0x03
++#define AT91C_CSD_FILE_FMT_S 10 // [11:10]
++#define AT91C_CSD_FILE_FMT_M 0x03
++#define AT91C_CSD_TMP_WP_S 12 // [12:12]
++#define AT91C_CSD_TMP_WP_M 0x01
++#define AT91C_CSD_PERM_WP_S 13 // [13:13]
++#define AT91C_CSD_PERM_WP_M 0x01
++#define AT91C_CSD_COPY_S 14 // [14:14]
++#define AT91C_CSD_COPY_M 0x01
++#define AT91C_CSD_FILE_FMT_GRP_S 15 // [15:15]
++#define AT91C_CSD_FILE_FMT_GRP_M 0x01
++// reserved 16 // [20:16]
++// reserved 0x1F
++#define AT91C_CSD_WBLOCK_P_S 21 // [21:21]
++#define AT91C_CSD_WBLOCK_P_M 0x01
++#define AT91C_CSD_WBLEN_S 22 // [25:22]
++#define AT91C_CSD_WBLEN_M 0x0F
++#define AT91C_CSD_R2W_F_S 26 // [28:26]
++#define AT91C_CSD_R2W_F_M 0x07
++#define AT91C_CSD_MMC_DEF_ECC_S 29 // [30:29] reserved for MMC compatibility
++#define AT91C_CSD_MMC_DEF_ECC_M 0x03
++#define AT91C_CSD_WP_GRP_EN_S 31 // [31:31]
++#define AT91C_CSD_WP_GRP_EN_M 0x01
++
++// Seconde Response INT <=> CSD[2] : bits 32 to 63
++#define AT91C_CSD_v21_WP_GRP_SIZE_S 0 // [38:32]
++#define AT91C_CSD_v21_WP_GRP_SIZE_M 0x7F
++#define AT91C_CSD_v21_SECT_SIZE_S 7 // [45:39]
++#define AT91C_CSD_v21_SECT_SIZE_M 0x7F
++#define AT91C_CSD_v21_ER_BLEN_EN_S 14 // [46:46]
++#define AT91C_CSD_v21_ER_BLEN_EN_M 0x01
++
++#define AT91C_CSD_v22_WP_GRP_SIZE_S 0 // [36:32]
++#define AT91C_CSD_v22_WP_GRP_SIZE_M 0x1F
++#define AT91C_CSD_v22_ER_GRP_SIZE_S 5 // [41:37]
++#define AT91C_CSD_v22_ER_GRP_SIZE_M 0x1F
++#define AT91C_CSD_v22_SECT_SIZE_S 10 // [46:42]
++#define AT91C_CSD_v22_SECT_SIZE_M 0x1F
++
++#define AT91C_CSD_C_SIZE_M_S 15 // [49:47]
++#define AT91C_CSD_C_SIZE_M_M 0x07
++#define AT91C_CSD_VDD_WMAX_S 18 // [52:50]
++#define AT91C_CSD_VDD_WMAX_M 0x07
++#define AT91C_CSD_VDD_WMIN_S 21 // [55:53]
++#define AT91C_CSD_VDD_WMIN_M 0x07
++#define AT91C_CSD_RCUR_MAX_S 24 // [58:56]
++#define AT91C_CSD_RCUR_MAX_M 0x07
++#define AT91C_CSD_RCUR_MIN_S 27 // [61:59]
++#define AT91C_CSD_RCUR_MIN_M 0x07
++#define AT91C_CSD_CSIZE_L_S 30 // [63:62] <=> 2 LSB of CSIZE
++#define AT91C_CSD_CSIZE_L_M 0x03
++
++// Third Response INT <=> CSD[1] : bits 64 to 95
++#define AT91C_CSD_CSIZE_H_S 0 // [73:64] <=> 10 MSB of CSIZE
++#define AT91C_CSD_CSIZE_H_M 0x03FF
++// reserved 10 // [75:74]
++// reserved 0x03
++#define AT91C_CSD_DSR_I_S 12 // [76:76]
++#define AT91C_CSD_DSR_I_M 0x01
++#define AT91C_CSD_RD_B_MIS_S 13 // [77:77]
++#define AT91C_CSD_RD_B_MIS_M 0x01
++#define AT91C_CSD_WR_B_MIS_S 14 // [78:78]
++#define AT91C_CSD_WR_B_MIS_M 0x01
++#define AT91C_CSD_RD_B_PAR_S 15 // [79:79]
++#define AT91C_CSD_RD_B_PAR_M 0x01
++#define AT91C_CSD_RD_B_LEN_S 16 // [83:80]
++#define AT91C_CSD_RD_B_LEN_M 0x0F
++#define AT91C_CSD_CCC_S 20 // [95:84]
++#define AT91C_CSD_CCC_M 0x0FFF
++
++// Fourth Response INT <=> CSD[0] : bits 96 to 127
++#define AT91C_CSD_TRANS_SPEED_S 0 // [103:96]
++#define AT91C_CSD_TRANS_SPEED_M 0xFF
++#define AT91C_CSD_NSAC_S 8 // [111:104]
++#define AT91C_CSD_NSAC_M 0xFF
++#define AT91C_CSD_TAAC_S 16 // [119:112]
++#define AT91C_CSD_TAAC_M 0xFF
++// reserved 24 // [121:120]
++// reserved 0x03
++#define AT91C_CSD_MMC_SPEC_VERS_S 26 // [125:122] reserved for MMC compatibility
++#define AT91C_CSD_MMC_SPEC_VERS_M 0x0F
++#define AT91C_CSD_STRUCT_S 30 // [127:126]
++#define AT91C_CSD_STRUCT_M 0x03
++
++/////////////////////////////////////////////////////////////////////////////////////////////////////
++
++#endif
++
+diff -urN romboot.old/init.cpp romboot/init.cpp
+--- romboot.old/init.cpp 2004-07-06 13:01:55.000000000 +0200
++++ romboot/init.cpp 2007-03-21 12:43:39.000000000 +0100
+@@ -35,7 +35,7 @@
+ //*----------------------------------------------------------------------------
+ void AT91F_SpuriousHandler()
+ {
+- AT91F_DBGU_Printk("-F- Spurious Interrupt detected\n\r");
++ AT91F_DBGU_Printk("ISI");
+ while (1);
+ }
+
+@@ -46,7 +46,7 @@
+ //*----------------------------------------------------------------------------
+ void AT91F_DataAbort()
+ {
+- AT91F_DBGU_Printk("-F- Data Abort detected\n\r");
++ AT91F_DBGU_Printk("IDA");
+ while (1);
+ }
+
+@@ -56,7 +56,7 @@
+ //*----------------------------------------------------------------------------
+ void AT91F_FetchAbort()
+ {
+- AT91F_DBGU_Printk("-F- Prefetch Abort detected\n\r");
++ AT91F_DBGU_Printk("IPA");
+ while (1);
+ }
+
+@@ -66,7 +66,7 @@
+ //*----------------------------------------------------------------------------
+ void AT91F_Undef()
+ {
+- AT91F_DBGU_Printk("-F- Undef detected\n\r");
++ AT91F_DBGU_Printk("IUD");
+ while (1);
+ }
+
+@@ -76,7 +76,7 @@
+ //*----------------------------------------------------------------------------
+ void AT91F_UndefHandler()
+ {
+- AT91F_DBGU_Printk("-F- Undef detected\n\r");
++ AT91F_DBGU_Printk("IUD");
+ while (1);
+ }
+
+diff -urN romboot.old/main.cpp romboot/main.cpp
+--- romboot.old/main.cpp 2007-03-19 12:44:03.000000000 +0100
++++ romboot/main.cpp 2007-03-21 19:23:41.000000000 +0100
+@@ -33,18 +33,22 @@
+ #define DELAY_MAIN_FREQ 1000
+ #define DISP_LINE_LEN 16
+
++#define COMPACT 1
++
+ //* prototypes
+ extern void AT91F_DBGU_Printk(char *);
+ extern "C" void AT91F_ST_ASM_Handler(void);
+ extern "C" void Jump(unsigned int addr);
++extern int mci_main(void);
+
+-const char *menu_separ = "*----------------------------------------*\n\r";
++//const char *menu_separ = "*----------------------------------------*\n\r";
+
+ const char *menu_dataflash = {
+- "1: Download Dataflash [addr]\n\r"
+- "2: Read Dataflash [addr]\n\r"
+- "3: Start U-BOOT\n\r"
+- "4: Clear bootloader section in Dataflash\n\r"
++ "1: DL DF [ad]\n\r"
++ "2: RD DF [ad]\n\r"
++ "3: CP SD\n\r"
++ "4: U-BOOT\n\r"
++ "5: RM BL in DF\n\r"
+ };
+
+ //* Globales variables
+@@ -151,12 +155,12 @@
+ //*-----------------------------------------------------------------------------
+ void AT91F_DisplayMenu(void)
+ {
+- printf("\n\rFDL LOADER %s %s %s\n\r", AT91C_VERSION, __DATE__, __TIME__);
+- printf(menu_separ);
++ printf("\n\rFDL SD-Card LOADER %s %s %s\n\r", AT91C_VERSION, __DATE__, __TIME__);
++// printf(menu_separ);
+ AT91F_DataflashPrintInfo();
+- printf(menu_separ);
++// printf(menu_separ);
+ printf(menu_dataflash);
+- printf(menu_separ);
++// printf(menu_separ);
+ }
+
+ //*-----------------------------------------------------------------------------
+@@ -194,6 +198,7 @@
+ }
+
+
++#ifndef COMPACT
+ //*-----------------------------------------------------------------------------
+ //* Function Name : AT91F_MemoryDisplay()
+ //* Object : Display the content of the dataflash
+@@ -244,7 +249,7 @@
+ } while (nbytes > 0);
+ return 0;
+ }
+-
++#endif
+
+ //*--------------------------------------------------------------------------------------
+ //* Function Name : AT91F_SetPLL
+@@ -306,7 +311,7 @@
+ AT91F_SetPLL();
+ }
+
+-void LedCode(void)
++/*void LedCode(void)
+ {
+ int *pRegister;
+ pRegister = (int *)0xFFFFF800; // Enable port C peripheral reg
+@@ -318,15 +323,16 @@
+ pRegister = (int *)0xFFFFF834; // Clear bits
+ *pRegister = 0x2800;
+ }
++*/
+
+ void AT91F_StartUboot(unsigned int dummy, void *pvoid)
+ {
+- printf("Load U-BOOT from dataflash[%x] to SDRAM[%x]\n\r", AT91C_UBOOT_DATAFLASH_ADDR, AT91C_UBOOT_ADDR);
++ //printf("Load U-BOOT from dataflash[%x] to SDRAM[%x]\n\r", AT91C_UBOOT_DATAFLASH_ADDR, AT91C_UBOOT_ADDR);
+ read_dataflash(AT91C_UBOOT_DATAFLASH_ADDR, AT91C_UBOOT_SIZE, (char *)(AT91C_UBOOT_ADDR));
+- printf("Set PLLA to 180Mhz and Master clock to 60Mhz and start U-BOOT\n\r");
++ //printf("Set PLLA to 180Mhz and Master clock to 60Mhz and start U-BOOT\n\r");
+ //* Reset registers
+ AT91F_ResetRegisters();
+- LedCode();
++// LedCode();
+ Jump(AT91C_UBOOT_ADDR);
+ while(1);
+ }
+@@ -385,120 +391,124 @@
+ // start tempo to start Uboot in a delay of 1 sec if no key pressed
+ svcUbootTempo.Start(&svcUbootTempo, 1000, 0, AT91F_StartUboot, (void *)0);
+
+- printf("press any key to enter bootloader\n\r");
++ printf("press key\n\r");
+ getc();
+
+ // stop tempo
+ svcUbootTempo.Stop(&svcUbootTempo);
+
+- while(1)
+- {
+- while(command == 0)
+- {
+- AddressToDownload = AT91C_DOWNLOAD_BASE_ADDRESS;
+- SizeToDownload = AT91C_DOWNLOAD_MAX_SIZE;
+- DeviceAddress = 0;
++ while(1) {
++ while(command == 0) {
++ AddressToDownload = AT91C_DOWNLOAD_BASE_ADDRESS;
++ SizeToDownload = AT91C_DOWNLOAD_MAX_SIZE;
++ DeviceAddress = 0;
+
+- AT91F_DisplayMenu();
+- message[0] = 0;
+- message[2] = 0;
+- AT91F_ReadLine("Enter: ", message);
++ AT91F_DisplayMenu();
++ message[0] = 0;
++ message[2] = 0;
++ AT91F_ReadLine("Enter: ", message);
+
+- command = message[0];
+- if(command == '1' || command == '2')
+- if(AsciiToHex(&message[2], &DeviceAddress) == 0)
+- command = 0;
+-
+- switch(command)
+- {
+- case '1':
+- printf("Download Dataflash [0x%x]\n\r", DeviceAddress);
+-
+- switch(DeviceAddress & 0xFF000000)
+- {
+- case CFG_DATAFLASH_LOGIC_ADDR_CS0:
+- device = 0;
+- break;
++ command = message[0];
++ if(command == '1' || command == '2')
++ if(AsciiToHex(&message[2], &DeviceAddress) == 0)
++ command = 0;
++
++ switch(command) {
++ case '1':
++ printf("DL DF [0x%x]\n\r", DeviceAddress);
++
++ switch(DeviceAddress & 0xFF000000) {
++ case CFG_DATAFLASH_LOGIC_ADDR_CS0:
++ device = 0;
++ break;
+
+- case CFG_DATAFLASH_LOGIC_ADDR_CS3:
+- device = 1;
+- break;
++ case CFG_DATAFLASH_LOGIC_ADDR_CS3:
++ device = 1;
++ break;
+
+- default:
+- command = 0;
+- break;
+- }
+- break;
+-
+- case '2':
+- do
+- {
+- AT91F_MemoryDisplay(DeviceAddress, 4, 64);
+- AT91F_ReadLine ((char *)0, message);
+- DeviceAddress += 0x100;
++ default:
++ command = 0;
++ break;
++ }
++ break;
++
++#ifndef COMPACT
++ case '2':
++ do {
++ AT91F_MemoryDisplay(DeviceAddress, 4, 64);
++ AT91F_ReadLine ((char *)0, message);
++ DeviceAddress += 0x100;
++ } while(message[0] == '\0');
++ command = 0;
++ break;
++#endif
++
++ case '3':
++ mci_main();
++ command=0;
++ break;
++
++ case '4':
++ AT91F_StartUboot(0, (void *)0);
++ command = 0;
++ break;
++
++ case '5':
++ {
++ int *i;
++
++ for(i = (int *)0x20000000; i < (int *)0x20004000; i++)
++ *i = 0;
++ }
++ write_dataflash(0xc0000000, 0x20000000, 0x4000);
++ printf("BL CLR\r\n");
++ command = 0;
++ break;
++
++ default:
++ command = 0;
++ break;
++ } // switch(command)
++ } // while(command == 0)
++
++ xmodemPipe.Read(&xmodemPipe, (char *)AddressToDownload, SizeToDownload, XmodemProtocol, 0);
++ while(XmodemComplete !=1);
++ SizeToDownload = (unsigned int)(svcXmodem.pData) - (unsigned int)AddressToDownload;
++
++ // Modification of vector 6
++ NbPage = 0;
++ i = dataflash_info[device].Device.pages_number;
++ while(i >>= 1)
++ NbPage++;
++ i = (SizeToDownload / 512) + 1 + (NbPage << 13) + (dataflash_info[device].Device.pages_size << 17);
++ *(int *)(AddressToDownload + AT91C_OFFSET_VECT6) = i;
++
++// printf("\n\rModification of Arm Vector 6 :%x\n\r", i);
++
++ printf("\n\rWR %d in DF [0x%x]\n\r",SizeToDownload, DeviceAddress);
++ crc1 = 0;
++ pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc1);
++
++ // write the dataflash
++ write_dataflash (DeviceAddress, AddressToDownload, SizeToDownload);
++ // clear the buffer before read
++ for(i=0; i < SizeToDownload; i++)
++ *(unsigned char *)(AddressToDownload + i) = 0;
++
++ //* Read dataflash page in TestBuffer
++ read_dataflash (DeviceAddress, SizeToDownload, (char *)(AddressToDownload));
++
++ printf("Vfy DF: ");
++ crc2 = 0;
++
++ pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc2);
++ if (crc1 != crc2)
++ printf("Fail\r\n");
++ else
++ printf("OK\r\n");
++
++ command = 0;
++ XmodemComplete = 0;
++ AT91F_WaitKeyPressed();
+ }
+- while(message[0] == '\0');
+- command = 0;
+- break;
+-
+- case '3':
+- AT91F_StartUboot(0, (void *)0);
+- command = 0;
+- break;
+- case '4':
+- {
+- int *i;
+- for(i = (int *)0x20000000; i < (int *)0x20004000; i++)
+- *i = 0;
+- }
+- write_dataflash(0xc0000000, 0x20000000, 0x4000);
+- printf("Bootsection cleared\r\n");
+- command = 0;
+- break;
+- default:
+- command = 0;
+- break;
+- }
+ }
+-
+- xmodemPipe.Read(&xmodemPipe, (char *)AddressToDownload, SizeToDownload, XmodemProtocol, 0);
+- while(XmodemComplete !=1);
+- SizeToDownload = (unsigned int)(svcXmodem.pData) - (unsigned int)AddressToDownload;
+-
+- // Modification of vector 6
+- NbPage = 0;
+- i = dataflash_info[device].Device.pages_number;
+- while(i >>= 1)
+- NbPage++;
+- i = (SizeToDownload / 512) + 1 + (NbPage << 13) + (dataflash_info[device].Device.pages_size << 17);
+- *(int *)(AddressToDownload + AT91C_OFFSET_VECT6) = i;
+-
+- printf("\n\rModification of Arm Vector 6 :%x\n\r", i);
+-
+- printf("\n\rWrite %d bytes in DataFlash [0x%x]\n\r",SizeToDownload, DeviceAddress);
+- crc1 = 0;
+- pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc1);
+-
+- // write the dataflash
+- write_dataflash (DeviceAddress, AddressToDownload, SizeToDownload);
+- // clear the buffer before read
+- for(i=0; i < SizeToDownload; i++)
+- *(unsigned char *)(AddressToDownload + i) = 0;
+-
+- //* Read dataflash page in TestBuffer
+- read_dataflash (DeviceAddress, SizeToDownload, (char *)(AddressToDownload));
+-
+- printf("Verify Dataflash: ");
+- crc2 = 0;
+-
+- pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc2);
+- if (crc1 != crc2)
+- printf("Failed\r\n");
+- else
+- printf("OK\r\n");
+-
+- command = 0;
+- XmodemComplete = 0;
+- AT91F_WaitKeyPressed();
+- }
+-}
+diff -urN romboot.old/main.h romboot/main.h
+--- romboot.old/main.h 2004-07-03 17:41:14.000000000 +0200
++++ romboot/main.h 2007-03-21 21:48:52.000000000 +0100
+@@ -27,7 +27,7 @@
+
+ #define AT91C_OFFSET_VECT6 0x14 //* Offset for ARM vector 6
+
+-#define AT91C_VERSION "VER 1.01"
++#define AT91C_VERSION "VER 1.02"
+ // Global variables and functions definition
+ extern unsigned int GetTickCount(void);
+ #endif
+diff -urN romboot.old/Makefile romboot/Makefile
+--- romboot.old/Makefile 2007-03-19 12:44:03.000000000 +0100
++++ romboot/Makefile 2007-03-21 12:29:11.000000000 +0100
+@@ -1,8 +1,8 @@
+ LINKFLAGS= -T elf32-littlearm.lds -Ttext 0
+ COMPILEFLAGS= -Os
+ TARGET=romboot
+-OBJFILES=cstartup_ram.o asm_isr.o jump.o at45.o com.o dataflash.o \
+- init.o main.o stdio.o _udivsi3.o _umodsi3.o div0.o
++OBJFILES=cstartup_ram.o asm_isr.o asm_mci_isr.o jump.o at45.o com.o dataflash.o \
++ mci_device.o mci_main.o init.o main.o stdio.o _udivsi3.o _umodsi3.o div0.o
+ LIBRARIES=
+ INCLUDES= -Iinclude
+
+@@ -11,10 +11,15 @@
+ $(TARGET): $(OBJFILES)
+ $(LD) $(OBJFILES) -o $(TARGET).out $(LINKFLAGS) -n
+ $(OBJCOPY) $(TARGET).out -O binary $(TARGET).bin
++ $(OBJDUMP) -h -s $(TARGET).out > $(TARGET).lss
++ $(NM) -n $(TARGET).out | grep -v '\( [aUw] \)\|\(__crc_\)\|\( \$[adt]\)' > $(TARGET).map
+
+ asm_isr.o: asm_isr.S
+ $(CC) -c -Iinclude -o $@ $<
+
++asm_mci_isr.o: asm_mci_isr.S
++ $(CC) -c -Iinclude -o $@ $<
++
+ cstartup_ram.o: cstartup_ram.S
+ $(CC) -c -Iinclude -o $@ $<
+
+diff -urN romboot.old/mci_device.cpp romboot/mci_device.cpp
+--- romboot.old/mci_device.cpp 1970-01-01 01:00:00.000000000 +0100
++++ romboot/mci_device.cpp 2007-03-22 18:52:48.000000000 +0100
+@@ -0,0 +1,581 @@
++//*----------------------------------------------------------------------------
++//* ATMEL Microcontroller Software Support - ROUSSET -
++//*----------------------------------------------------------------------------
++//* The software is delivered "AS IS" without warranty or condition of any
++//* kind, either express, implied or statutory. This includes without
++//* limitation any warranty or condition with respect to merchantability or
++//* fitness for any particular purpose, or against the infringements of
++//* intellectual property rights of others.
++//*----------------------------------------------------------------------------
++//* File Name : mci_device.c
++//* Object : TEST DataFlash Functions
++//* Creation : FB 26/11/2002
++//*
++//*----------------------------------------------------------------------------
++
++#include <AT91C_MCI_Device.h>
++#include "com.h"
++
++#define ENABLE_WRITE 1
++#undef MMC
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_SendCommand
++//* \brief Generic function to send a command to the MMC or SDCard
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_SendCommand (
++ AT91PS_MciDevice pMCI_Device,
++ unsigned int Cmd,
++ unsigned int Arg)
++{
++ unsigned int error,status;
++ //unsigned int tick=0;
++
++ // Send the command
++ AT91C_BASE_MCI->MCI_ARGR = Arg;
++ AT91C_BASE_MCI->MCI_CMDR = Cmd;
++
++ // wait for CMDRDY Status flag to read the response
++ do
++ {
++ status = AT91C_BASE_MCI->MCI_SR;
++ //tick++;
++ }
++ while( !(status & AT91C_MCI_CMDRDY) );//&& (tick<100) );
++
++ // Test error ==> if crc error and response R3 ==> don't check error
++ error = (AT91C_BASE_MCI->MCI_SR) & AT91C_MCI_SR_ERROR;
++ if(error != 0 )
++ {
++ // if the command is SEND_OP_COND the CRC error flag is always present (cf : R3 response)
++ if ( (Cmd != AT91C_SDCARD_APP_OP_COND_CMD) && (Cmd != AT91C_MMC_SEND_OP_COND_CMD) )
++ return ((AT91C_BASE_MCI->MCI_SR) & AT91C_MCI_SR_ERROR);
++ else
++ {
++ if (error != AT91C_MCI_RCRCE)
++ return ((AT91C_BASE_MCI->MCI_SR) & AT91C_MCI_SR_ERROR);
++ }
++ }
++ return AT91C_CMD_SEND_OK;
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_SDCard_SendAppCommand
++//* \brief Specific function to send a specific command to the SDCard
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_SDCard_SendAppCommand (
++ AT91PS_MciDevice pMCI_Device,
++ unsigned int Cmd_App,
++ unsigned int Arg )
++{
++ unsigned int status;
++ //unsigned int tick=0;
++
++ // Send the CMD55 for application specific command
++ AT91C_BASE_MCI->MCI_ARGR = (pMCI_Device->pMCI_DeviceFeatures->Relative_Card_Address << 16 );
++ AT91C_BASE_MCI->MCI_CMDR = AT91C_APP_CMD;
++
++ // wait for CMDRDY Status flag to read the response
++ do
++ {
++ status = AT91C_BASE_MCI->MCI_SR;
++ //tick++;
++ }
++ while( !(status & AT91C_MCI_CMDRDY) );//&& (tick<100) );
++
++ // if an error occurs
++ if (((AT91C_BASE_MCI->MCI_SR) & AT91C_MCI_SR_ERROR) != 0 )
++ return ((AT91C_BASE_MCI->MCI_SR) & AT91C_MCI_SR_ERROR);
++
++ // check if it is a specific command and then send the command
++ if ( (Cmd_App && AT91C_SDCARD_APP_ALL_CMD) == 0)
++ return AT91C_CMD_SEND_ERROR;
++
++ return( AT91F_MCI_SendCommand(pMCI_Device,Cmd_App,Arg) );
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_GetStatus
++//* \brief Addressed card sends its status register
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_GetStatus(AT91PS_MciDevice pMCI_Device,unsigned int relative_card_address)
++{
++ if (AT91F_MCI_SendCommand(pMCI_Device,
++ AT91C_SEND_STATUS_CMD,
++ relative_card_address <<16) == AT91C_CMD_SEND_OK)
++ return (AT91C_BASE_MCI->MCI_RSPR[0]);
++
++ return AT91C_CMD_SEND_ERROR;
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_Device_Handler
++//* \brief MCI C interrupt handler
++//*----------------------------------------------------------------------------
++extern "C" void AT91F_MCI_Device_Handler(AT91PS_MciDevice, unsigned int);
++
++void AT91F_MCI_Device_Handler(
++ AT91PS_MciDevice pMCI_Device,
++ unsigned int status)
++{
++ // If End of Tx Buffer Empty interrupt occurred
++ if ( status & AT91C_MCI_TXBUFE )
++ {
++ AT91C_BASE_MCI->MCI_IDR = AT91C_MCI_TXBUFE;
++ AT91C_BASE_PDC_MCI->PDC_PTCR = AT91C_PDC_TXTDIS;
++
++ pMCI_Device->pMCI_DeviceDesc->state = AT91C_MCI_IDLE;
++ } // End of if AT91C_MCI_TXBUFF
++
++ // If End of Rx Buffer Full interrupt occurred
++ if ( status & AT91C_MCI_RXBUFF )
++ {
++ AT91C_BASE_MCI->MCI_IDR = AT91C_MCI_RXBUFF;
++ AT91C_BASE_PDC_MCI->PDC_PTCR = AT91C_PDC_RXTDIS;
++
++ pMCI_Device->pMCI_DeviceDesc->state = AT91C_MCI_IDLE;
++ } // End of if AT91C_MCI_RXBUFF
++
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_ReadBlock
++//* \brief Read an ENTIRE block or PARTIAL block
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_ReadBlock(
++ AT91PS_MciDevice pMCI_Device,
++ int src,
++ unsigned int *dataBuffer,
++ int sizeToRead )
++{
++ ////////////////////////////////////////////////////////////////////////////////////////////
++ if(pMCI_Device->pMCI_DeviceDesc->state != AT91C_MCI_IDLE)
++ return AT91C_READ_ERROR;
++
++ if( (AT91F_MCI_GetStatus(pMCI_Device,pMCI_Device->pMCI_DeviceFeatures->Relative_Card_Address) & AT91C_SR_READY_FOR_DATA) != AT91C_SR_READY_FOR_DATA)
++ return AT91C_READ_ERROR;
++
++ if ( (src + sizeToRead) > pMCI_Device->pMCI_DeviceFeatures->Memory_Capacity )
++ return AT91C_READ_ERROR;
++
++ // If source does not fit a begin of a block
++ if ( (src % pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length) != 0 )
++ return AT91C_READ_ERROR;
++
++ // Test if the MMC supports Partial Read Block
++ // ALWAYS SUPPORTED IN SD Memory Card
++ if( (sizeToRead < pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length)
++ && (pMCI_Device->pMCI_DeviceFeatures->Read_Partial == 0x00) )
++ return AT91C_READ_ERROR;
++
++ if( sizeToRead > pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length)
++ return AT91C_READ_ERROR;
++ ////////////////////////////////////////////////////////////////////////////////////////////
++
++ // Init Mode Register
++ AT91C_BASE_MCI->MCI_MR |= ((pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length << 16) | AT91C_MCI_PDCMODE);
++
++ if (sizeToRead %4)
++ sizeToRead = (sizeToRead /4)+1;
++ else
++ sizeToRead = sizeToRead/4;
++
++ AT91C_BASE_PDC_MCI->PDC_PTCR = (AT91C_PDC_TXTDIS | AT91C_PDC_RXTDIS);
++ AT91C_BASE_PDC_MCI->PDC_RPR = (unsigned int)dataBuffer;
++ AT91C_BASE_PDC_MCI->PDC_RCR = sizeToRead;
++
++ // Send the Read single block command
++ if ( AT91F_MCI_SendCommand(pMCI_Device, AT91C_READ_SINGLE_BLOCK_CMD, src) != AT91C_CMD_SEND_OK )
++ return AT91C_READ_ERROR;
++
++ pMCI_Device->pMCI_DeviceDesc->state = AT91C_MCI_RX_SINGLE_BLOCK;
++
++ // Enable AT91C_MCI_RXBUFF Interrupt
++ AT91C_BASE_MCI->MCI_IER = AT91C_MCI_RXBUFF;
++
++ // (PDC) Receiver Transfer Enable
++ AT91C_BASE_PDC_MCI->PDC_PTCR = AT91C_PDC_RXTEN;
++
++ return AT91C_READ_OK;
++}
++
++
++#ifdef ENABLE_WRITE
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_WriteBlock
++//* \brief Write an ENTIRE block but not always PARTIAL block !!!
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_WriteBlock(
++ AT91PS_MciDevice pMCI_Device,
++ int dest,
++ unsigned int *dataBuffer,
++ int sizeToWrite )
++{
++ ////////////////////////////////////////////////////////////////////////////////////////////
++ if( pMCI_Device->pMCI_DeviceDesc->state != AT91C_MCI_IDLE)
++ return AT91C_WRITE_ERROR;
++
++ if( (AT91F_MCI_GetStatus(pMCI_Device,pMCI_Device->pMCI_DeviceFeatures->Relative_Card_Address) & AT91C_SR_READY_FOR_DATA) != AT91C_SR_READY_FOR_DATA)
++ return AT91C_WRITE_ERROR;
++
++ if ( (dest + sizeToWrite) > pMCI_Device->pMCI_DeviceFeatures->Memory_Capacity )
++ return AT91C_WRITE_ERROR;
++
++ // If source does not fit a begin of a block
++ if ( (dest % pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length) != 0 )
++ return AT91C_WRITE_ERROR;
++
++ // Test if the MMC supports Partial Write Block
++ if( (sizeToWrite < pMCI_Device->pMCI_DeviceFeatures->Max_Write_DataBlock_Length)
++ && (pMCI_Device->pMCI_DeviceFeatures->Write_Partial == 0x00) )
++ return AT91C_WRITE_ERROR;
++
++ if( sizeToWrite > pMCI_Device->pMCI_DeviceFeatures->Max_Write_DataBlock_Length )
++ return AT91C_WRITE_ERROR;
++ ////////////////////////////////////////////////////////////////////////////////////////////
++
++ // Init Mode Register
++ AT91C_BASE_MCI->MCI_MR |= ((pMCI_Device->pMCI_DeviceFeatures->Max_Write_DataBlock_Length << 16) | AT91C_MCI_PDCMODE);
++
++ if (sizeToWrite %4)
++ sizeToWrite = (sizeToWrite /4)+1;
++ else
++ sizeToWrite = sizeToWrite/4;
++
++ // Init PDC for write sequence
++ AT91C_BASE_PDC_MCI->PDC_PTCR = (AT91C_PDC_TXTDIS | AT91C_PDC_RXTDIS);
++ AT91C_BASE_PDC_MCI->PDC_TPR = (unsigned int) dataBuffer;
++ AT91C_BASE_PDC_MCI->PDC_TCR = sizeToWrite;
++
++ // Send the write single block command
++ if ( AT91F_MCI_SendCommand(pMCI_Device, AT91C_WRITE_BLOCK_CMD, dest) != AT91C_CMD_SEND_OK)
++ return AT91C_WRITE_ERROR;
++
++ pMCI_Device->pMCI_DeviceDesc->state = AT91C_MCI_TX_SINGLE_BLOCK;
++
++ // Enable AT91C_MCI_TXBUFE Interrupt
++ AT91C_BASE_MCI->MCI_IER = AT91C_MCI_TXBUFE;
++
++ // Enables TX for PDC transfert requests
++ AT91C_BASE_PDC_MCI->PDC_PTCR = AT91C_PDC_TXTEN;
++
++ return AT91C_WRITE_OK;
++}
++#endif
++
++#ifdef MMC
++//*------------------------------------------------------------------------------------------------------------
++//* \fn AT91F_MCI_MMC_SelectCard
++//* \brief Toggles a card between the Stand_by and Transfer states or between Programming and Disconnect states
++//*------------------------------------------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_MMC_SelectCard(AT91PS_MciDevice pMCI_Device, unsigned int relative_card_address)
++{
++ int status;
++
++ //* Check if the MMC card chosen is already the selected one
++ status = AT91F_MCI_GetStatus(pMCI_Device,relative_card_address);
++
++ if (status < 0)
++ return AT91C_CARD_SELECTED_ERROR;
++
++ if ((status & AT91C_SR_CARD_SELECTED) == AT91C_SR_CARD_SELECTED)
++ return AT91C_CARD_SELECTED_OK;
++
++ //* Search for the MMC Card to be selected, status = the Corresponding Device Number
++ status = 0;
++ while( (pMCI_Device->pMCI_DeviceFeatures[status].Relative_Card_Address != relative_card_address)
++ && (status < AT91C_MAX_MCI_CARDS) )
++ status++;
++
++ if (status > AT91C_MAX_MCI_CARDS)
++ return AT91C_CARD_SELECTED_ERROR;
++
++ if (AT91F_MCI_SendCommand( pMCI_Device,
++ AT91C_SEL_DESEL_CARD_CMD,
++ pMCI_Device->pMCI_DeviceFeatures[status].Relative_Card_Address << 16) == AT91C_CMD_SEND_OK)
++ return AT91C_CARD_SELECTED_OK;
++ return AT91C_CARD_SELECTED_ERROR;
++}
++#endif
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_GetCSD
++//* \brief Asks to the specified card to send its CSD
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_GetCSD (AT91PS_MciDevice pMCI_Device, unsigned int relative_card_address , unsigned int * response)
++{
++
++ if(AT91F_MCI_SendCommand(pMCI_Device,
++ AT91C_SEND_CSD_CMD,
++ (relative_card_address << 16)) != AT91C_CMD_SEND_OK)
++ return AT91C_CMD_SEND_ERROR;
++
++ response[0] = AT91C_BASE_MCI->MCI_RSPR[0];
++ response[1] = AT91C_BASE_MCI->MCI_RSPR[1];
++ response[2] = AT91C_BASE_MCI->MCI_RSPR[2];
++ response[3] = AT91C_BASE_MCI->MCI_RSPR[3];
++
++ return AT91C_CMD_SEND_OK;
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_SetBlocklength
++//* \brief Select a block length for all following block commands (R/W)
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_SetBlocklength(AT91PS_MciDevice pMCI_Device,unsigned int length)
++{
++ return( AT91F_MCI_SendCommand(pMCI_Device, AT91C_SET_BLOCKLEN_CMD, length) );
++}
++
++#ifdef MMC
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_MMC_GetAllOCR
++//* \brief Asks to all cards to send their operations conditions
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_MMC_GetAllOCR (AT91PS_MciDevice pMCI_Device)
++{
++ unsigned int response =0x0;
++
++ while(1)
++ {
++ response = AT91F_MCI_SendCommand(pMCI_Device,
++ AT91C_MMC_SEND_OP_COND_CMD,
++ AT91C_MMC_HOST_VOLTAGE_RANGE);
++ if (response != AT91C_CMD_SEND_OK)
++ return AT91C_INIT_ERROR;
++
++ response = AT91C_BASE_MCI->MCI_RSPR[0];
++
++ if ( (response & AT91C_CARD_POWER_UP_BUSY) == AT91C_CARD_POWER_UP_BUSY)
++ return(response);
++ }
++}
++#endif
++
++#ifdef MMC
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_MMC_GetAllCID
++//* \brief Asks to the MMC on the chosen slot to send its CID
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_MMC_GetAllCID (AT91PS_MciDevice pMCI_Device, unsigned int *response)
++{
++ int Nb_Cards_Found=-1;
++
++ while(1)
++ {
++ if(AT91F_MCI_SendCommand(pMCI_Device,
++ AT91C_MMC_ALL_SEND_CID_CMD,
++ AT91C_NO_ARGUMENT) != AT91C_CMD_SEND_OK)
++ return Nb_Cards_Found;
++ else
++ {
++ Nb_Cards_Found = 0;
++ //* Assignation of the relative address to the MMC CARD
++ pMCI_Device->pMCI_DeviceFeatures[Nb_Cards_Found].Relative_Card_Address = Nb_Cards_Found + AT91C_FIRST_RCA;
++ //* Set the insert flag
++ pMCI_Device->pMCI_DeviceFeatures[Nb_Cards_Found].Card_Inserted = AT91C_MMC_CARD_INSERTED;
++
++ if (AT91F_MCI_SendCommand(pMCI_Device,
++ AT91C_MMC_SET_RELATIVE_ADDR_CMD,
++ (Nb_Cards_Found + AT91C_FIRST_RCA) << 16) != AT91C_CMD_SEND_OK)
++ return AT91C_CMD_SEND_ERROR;
++
++ //* If no error during assignation address ==> Increment Nb_cards_Found
++ Nb_Cards_Found++ ;
++ }
++ }
++}
++#endif
++#ifdef MMC
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_MMC_Init
++//* \brief Return the MMC initialisation status
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_MMC_Init (AT91PS_MciDevice pMCI_Device)
++{
++ unsigned int tab_response[4];
++ unsigned int mult,blocknr;
++ unsigned int i,Nb_Cards_Found=0;
++
++ //* Resets all MMC Cards in Idle state
++ AT91F_MCI_SendCommand(pMCI_Device, AT91C_MMC_GO_IDLE_STATE_CMD, AT91C_NO_ARGUMENT);
++
++ if(AT91F_MCI_MMC_GetAllOCR(pMCI_Device) == AT91C_INIT_ERROR)
++ return AT91C_INIT_ERROR;
++
++ Nb_Cards_Found = AT91F_MCI_MMC_GetAllCID(pMCI_Device,tab_response);
++ if (Nb_Cards_Found != AT91C_CMD_SEND_ERROR)
++ {
++ //* Set the Mode Register
++ AT91C_BASE_MCI->MCI_MR = AT91C_MCI_MR_PDCMODE;
++
++ for(i = 0; i < Nb_Cards_Found; i++)
++ {
++ if (AT91F_MCI_GetCSD(pMCI_Device,
++ pMCI_Device->pMCI_DeviceFeatures[i].Relative_Card_Address,
++ tab_response) != AT91C_CMD_SEND_OK)
++ pMCI_Device->pMCI_DeviceFeatures[i].Relative_Card_Address = 0;
++ else
++ {
++ pMCI_Device->pMCI_DeviceFeatures[i].Max_Read_DataBlock_Length = 1 << ((tab_response[1] >> AT91C_CSD_RD_B_LEN_S) & AT91C_CSD_RD_B_LEN_M );
++ pMCI_Device->pMCI_DeviceFeatures[i].Max_Write_DataBlock_Length = 1 << ((tab_response[3] >> AT91C_CSD_WBLEN_S) & AT91C_CSD_WBLEN_M );
++ pMCI_Device->pMCI_DeviceFeatures[i].Sector_Size = 1 + ((tab_response[2] >> AT91C_CSD_v22_SECT_SIZE_S) & AT91C_CSD_v22_SECT_SIZE_M );
++ pMCI_Device->pMCI_DeviceFeatures[i].Read_Partial = (tab_response[1] >> AT91C_CSD_RD_B_PAR_S) & AT91C_CSD_RD_B_PAR_M;
++ pMCI_Device->pMCI_DeviceFeatures[i].Write_Partial = (tab_response[3] >> AT91C_CSD_WBLOCK_P_S) & AT91C_CSD_WBLOCK_P_M;
++
++ // None in MMC specification version 2.2
++ pMCI_Device->pMCI_DeviceFeatures[i].Erase_Block_Enable = 0;
++
++ pMCI_Device->pMCI_DeviceFeatures[i].Read_Block_Misalignment = (tab_response[1] >> AT91C_CSD_RD_B_MIS_S) & AT91C_CSD_RD_B_MIS_M;
++ pMCI_Device->pMCI_DeviceFeatures[i].Write_Block_Misalignment = (tab_response[1] >> AT91C_CSD_WR_B_MIS_S) & AT91C_CSD_WR_B_MIS_M;
++
++ //// Compute Memory Capacity
++ // compute MULT
++ mult = 1 << ( ((tab_response[2] >> AT91C_CSD_C_SIZE_M_S) & AT91C_CSD_C_SIZE_M_M) + 2 );
++ // compute MSB of C_SIZE
++ blocknr = ((tab_response[1] >> AT91C_CSD_CSIZE_H_S) & AT91C_CSD_CSIZE_H_M) << 2;
++ // compute MULT * (LSB of C-SIZE + MSB already computed + 1) = BLOCKNR
++ blocknr = mult * ( ( blocknr + ( (tab_response[2] >> AT91C_CSD_CSIZE_L_S) & AT91C_CSD_CSIZE_L_M) ) + 1 );
++
++ pMCI_Device->pMCI_DeviceFeatures[i].Memory_Capacity = pMCI_Device->pMCI_DeviceFeatures[i].Max_Read_DataBlock_Length * blocknr;
++ //// End of Compute Memory Capacity
++
++ } // end of else
++ } // end of for
++
++ return AT91C_INIT_OK;
++ } // end of if
++
++ return AT91C_INIT_ERROR;
++}
++#endif
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_SDCard_GetOCR
++//* \brief Asks to all cards to send their operations conditions
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_SDCard_GetOCR (AT91PS_MciDevice pMCI_Device)
++{
++ unsigned int response =0x0;
++
++ // The RCA to be used for CMD55 in Idle state shall be the card's default RCA=0x0000.
++ pMCI_Device->pMCI_DeviceFeatures->Relative_Card_Address = 0x0;
++
++ while( (response & AT91C_CARD_POWER_UP_BUSY) != AT91C_CARD_POWER_UP_BUSY )
++ {
++ response = AT91F_MCI_SDCard_SendAppCommand(pMCI_Device,
++ AT91C_SDCARD_APP_OP_COND_CMD,
++ AT91C_MMC_HOST_VOLTAGE_RANGE);
++ if (response != AT91C_CMD_SEND_OK)
++ return AT91C_INIT_ERROR;
++
++ response = AT91C_BASE_MCI->MCI_RSPR[0];
++ }
++
++ return(AT91C_BASE_MCI->MCI_RSPR[0]);
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_SDCard_GetCID
++//* \brief Asks to the SDCard on the chosen slot to send its CID
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_SDCard_GetCID (AT91PS_MciDevice pMCI_Device, unsigned int *response)
++{
++ if(AT91F_MCI_SendCommand(pMCI_Device,
++ AT91C_ALL_SEND_CID_CMD,
++ AT91C_NO_ARGUMENT) != AT91C_CMD_SEND_OK)
++ return AT91C_CMD_SEND_ERROR;
++
++ response[0] = AT91C_BASE_MCI->MCI_RSPR[0];
++ response[1] = AT91C_BASE_MCI->MCI_RSPR[1];
++ response[2] = AT91C_BASE_MCI->MCI_RSPR[2];
++ response[3] = AT91C_BASE_MCI->MCI_RSPR[3];
++
++ return AT91C_CMD_SEND_OK;
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_SDCard_SetBusWidth
++//* \brief Set bus width for SDCard
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_SDCard_SetBusWidth(AT91PS_MciDevice pMCI_Device)
++{
++ volatile int ret_value;
++ char bus_width;
++
++ do
++ {
++ ret_value =AT91F_MCI_GetStatus(pMCI_Device,pMCI_Device->pMCI_DeviceFeatures->Relative_Card_Address);
++ }
++ while((ret_value > 0) && ((ret_value & AT91C_SR_READY_FOR_DATA) == 0));
++
++ // Select Card
++ AT91F_MCI_SendCommand(pMCI_Device,
++ AT91C_SEL_DESEL_CARD_CMD,
++ (pMCI_Device->pMCI_DeviceFeatures->Relative_Card_Address)<<16);
++
++ // Set bus width for Sdcard
++ if(pMCI_Device->pMCI_DeviceDesc->SDCard_bus_width == AT91C_MCI_SCDBUS)
++ bus_width = AT91C_BUS_WIDTH_4BITS;
++ else bus_width = AT91C_BUS_WIDTH_1BIT;
++
++ if (AT91F_MCI_SDCard_SendAppCommand(pMCI_Device,AT91C_SDCARD_SET_BUS_WIDTH_CMD,bus_width) != AT91C_CMD_SEND_OK)
++ return AT91C_CMD_SEND_ERROR;
++
++ return AT91C_CMD_SEND_OK;
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_SDCard_Init
++//* \brief Return the SDCard initialisation status
++//*----------------------------------------------------------------------------
++AT91S_MCIDeviceStatus AT91F_MCI_SDCard_Init (AT91PS_MciDevice pMCI_Device)
++{
++ unsigned int tab_response[4];
++ unsigned int mult,blocknr;
++
++ AT91F_MCI_SendCommand(pMCI_Device, AT91C_GO_IDLE_STATE_CMD, AT91C_NO_ARGUMENT);
++
++ if(AT91F_MCI_SDCard_GetOCR(pMCI_Device) == AT91C_INIT_ERROR)
++ return AT91C_INIT_ERROR;
++
++ if (AT91F_MCI_SDCard_GetCID(pMCI_Device,tab_response) == AT91C_CMD_SEND_OK)
++ {
++ pMCI_Device->pMCI_DeviceFeatures->Card_Inserted = AT91C_SD_CARD_INSERTED;
++
++ if (AT91F_MCI_SendCommand(pMCI_Device, AT91C_SET_RELATIVE_ADDR_CMD, 0) == AT91C_CMD_SEND_OK)
++ {
++ pMCI_Device->pMCI_DeviceFeatures->Relative_Card_Address = (AT91C_BASE_MCI->MCI_RSPR[0] >> 16);
++ if (AT91F_MCI_GetCSD(pMCI_Device,pMCI_Device->pMCI_DeviceFeatures->Relative_Card_Address,tab_response) == AT91C_CMD_SEND_OK)
++ {
++ pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length = 1 << ((tab_response[1] >> AT91C_CSD_RD_B_LEN_S) & AT91C_CSD_RD_B_LEN_M );
++ pMCI_Device->pMCI_DeviceFeatures->Max_Write_DataBlock_Length = 1 << ((tab_response[3] >> AT91C_CSD_WBLEN_S) & AT91C_CSD_WBLEN_M );
++ pMCI_Device->pMCI_DeviceFeatures->Sector_Size = 1 + ((tab_response[2] >> AT91C_CSD_v21_SECT_SIZE_S) & AT91C_CSD_v21_SECT_SIZE_M );
++ pMCI_Device->pMCI_DeviceFeatures->Read_Partial = (tab_response[1] >> AT91C_CSD_RD_B_PAR_S) & AT91C_CSD_RD_B_PAR_M;
++ pMCI_Device->pMCI_DeviceFeatures->Write_Partial = (tab_response[3] >> AT91C_CSD_WBLOCK_P_S) & AT91C_CSD_WBLOCK_P_M;
++ pMCI_Device->pMCI_DeviceFeatures->Erase_Block_Enable = (tab_response[3] >> AT91C_CSD_v21_ER_BLEN_EN_S) & AT91C_CSD_v21_ER_BLEN_EN_M;
++ pMCI_Device->pMCI_DeviceFeatures->Read_Block_Misalignment = (tab_response[1] >> AT91C_CSD_RD_B_MIS_S) & AT91C_CSD_RD_B_MIS_M;
++ pMCI_Device->pMCI_DeviceFeatures->Write_Block_Misalignment = (tab_response[1] >> AT91C_CSD_WR_B_MIS_S) & AT91C_CSD_WR_B_MIS_M;
++
++ //// Compute Memory Capacity
++ // compute MULT
++ mult = 1 << ( ((tab_response[2] >> AT91C_CSD_C_SIZE_M_S) & AT91C_CSD_C_SIZE_M_M) + 2 );
++ // compute MSB of C_SIZE
++ blocknr = ((tab_response[1] >> AT91C_CSD_CSIZE_H_S) & AT91C_CSD_CSIZE_H_M) << 2;
++ // compute MULT * (LSB of C-SIZE + MSB already computed + 1) = BLOCKNR
++ blocknr = mult * ( ( blocknr + ( (tab_response[2] >> AT91C_CSD_CSIZE_L_S) & AT91C_CSD_CSIZE_L_M) ) + 1 );
++
++ pMCI_Device->pMCI_DeviceFeatures->Memory_Capacity = pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length * blocknr;
++ //// End of Compute Memory Capacity
++ printf("BLK 0x%x", pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length);
++
++ if( AT91F_MCI_SDCard_SetBusWidth(pMCI_Device) == AT91C_CMD_SEND_OK )
++ {
++ if (AT91F_MCI_SetBlocklength(pMCI_Device,pMCI_Device->pMCI_DeviceFeatures->Max_Read_DataBlock_Length) == AT91C_CMD_SEND_OK)
++ return AT91C_INIT_OK;
++ }
++ }
++ }
++ }
++ return AT91C_INIT_ERROR;
++}
+diff -urN romboot.old/mci_main.cpp romboot/mci_main.cpp
+--- romboot.old/mci_main.cpp 1970-01-01 01:00:00.000000000 +0100
++++ romboot/mci_main.cpp 2007-03-22 18:52:58.000000000 +0100
+@@ -0,0 +1,317 @@
++//*----------------------------------------------------------------------------
++//* ATMEL Microcontroller Software Support - ROUSSET -
++//*----------------------------------------------------------------------------
++//* The software is delivered "AS IS" without warranty or condition of any
++//* kind, either express, implied or statutory. This includes without
++//* limitation any warranty or condition with respect to merchantability or
++//* fitness for any particular purpose, or against the infringements of
++//* intellectual property rights of others.
++//*----------------------------------------------------------------------------
++//* File Name : main.c
++//* Object : main application written in C
++//* Creation : FB 21/11/2002
++//*
++//*----------------------------------------------------------------------------
++#include "com.h"
++#include "dataflash.h"
++#include <AT91C_MCI_Device.h>
++
++#define AT91C_MCI_TIMEOUT 1000000 /* For AT91F_MCIDeviceWaitReady */
++#define BUFFER_SIZE_MCI_DEVICE 512
++#define MASTER_CLOCK 60000000
++#define FALSE -1
++#define TRUE 1
++
++//* External Functions
++extern "C" void AT91F_ASM_MCI_Handler(void);
++extern "C" void AT91F_MCI_Device_Handler(AT91PS_MciDevice,unsigned int);
++extern AT91S_MCIDeviceStatus AT91F_MCI_SDCard_Init (AT91PS_MciDevice);
++extern AT91S_MCIDeviceStatus AT91F_MCI_SetBlocklength(AT91PS_MciDevice,unsigned int);
++extern AT91S_MCIDeviceStatus AT91F_MCI_ReadBlock(AT91PS_MciDevice,int,unsigned int *,int);
++extern AT91S_MCIDeviceStatus AT91F_MCI_WriteBlock(AT91PS_MciDevice,int,unsigned int *,int);
++//* Global Variables
++AT91S_MciDeviceFeatures MCI_Device_Features;
++AT91S_MciDeviceDesc MCI_Device_Desc;
++AT91S_MciDevice MCI_Device;
++
++unsigned int dlBuffer = 0x20000000;
++#undef MCI_TEST
++#ifdef MCI_TEST
++char TestString[] = "\r\nHello Hamish\r\n";
++#endif
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCIDeviceWaitReady
++//* \brief Wait for MCI Device ready
++//*----------------------------------------------------------------------------
++void AT91F_MCIDeviceWaitReady(unsigned int timeout)
++{
++ volatile int status;
++
++ do
++ {
++ status = AT91C_BASE_MCI->MCI_SR;
++ timeout--;
++ }
++ while( !(status & AT91C_MCI_NOTBUSY) && (timeout>0) );
++}
++
++unsigned int swab32(unsigned int data)
++{
++ unsigned int res = 0;
++
++ res = (data & 0x000000ff) << 24 |
++ (data & 0x0000ff00) << 8 |
++ (data & 0x00ff0000) >> 8 |
++ (data & 0xff000000) >> 24;
++
++ return res;
++}
++
++AT91S_MCIDeviceStatus readblock(
++ AT91PS_MciDevice pMCI_Device,
++ int src,
++ unsigned int *databuffer,
++ int sizeToRead)
++{
++ int i;
++ unsigned char *buf = (unsigned char *)databuffer;
++
++ //* Read Block 1
++ for(i=0;i<BUFFER_SIZE_MCI_DEVICE;i++)
++ *buf++ = 0x00;
++ AT91F_MCI_ReadBlock(&MCI_Device,src,databuffer,sizeToRead);
++
++ //* Wait end of Read
++ AT91F_MCIDeviceWaitReady(AT91C_MCI_TIMEOUT);
++
++ {
++ int index;
++ unsigned int *uiBuffer = databuffer;
++
++ for(index = 0; index < 512/4; index++)
++ uiBuffer[index] = swab32(uiBuffer[index]);
++ }
++ return(1);
++}
++
++#if 0
++void printdata(unsigned int bufpos)
++ {
++ unsigned int *uip;
++ int linebytes = 16;
++ int nbytes = 64;
++ int size = 4;
++ int i;
++
++ uip = (unsigned int *)bufpos;
++
++ do {
++
++ for(i=0; i<linebytes; i+=size) {
++ printf(" %08x", *uip++);
++ }
++
++ printf("\n\r");
++ nbytes -= linebytes;
++ } while (nbytes > 0);
++ }
++#endif
++//extern char message[40];
++
++int notnull(int bufpos, unsigned int len)
++{
++ int i;
++ unsigned char * bp = (unsigned char *)bufpos;
++
++ for (i=0; i<len; i++)
++ if (bp[i] != '\0')
++ return(1);
++
++ return(0);
++}
++//*----------------------------------------------------------------------------
++//* \fn AT91F_Test
++//* \brief Test Functions
++//*----------------------------------------------------------------------------
++int AT91F_Test(void)
++{
++ int i;
++ unsigned int Max_Read_DataBlock_Length;
++ int block = 0;
++ int bufpos = dlBuffer;
++ int lastvalid = 0;
++ int NbPage = 0;
++
++
++ Max_Read_DataBlock_Length = MCI_Device.pMCI_DeviceFeatures->Max_Read_DataBlock_Length;
++
++ //* ReadBlock & WriteBlock Test -> Entire Block
++
++ //* Wait MCI Device Ready
++ AT91F_MCIDeviceWaitReady(AT91C_MCI_TIMEOUT);
++
++#ifdef MCI_TEST
++ //* Read Block 1
++ for(i=0;i<BUFFER_SIZE_MCI_DEVICE;i++) Buffer[i] = 0x00;
++ AT91F_MCI_ReadBlock(&MCI_Device,(1*Max_Read_DataBlock_Length),(unsigned int*) Buffer,Max_Read_DataBlock_Length);
++
++ //* Wait end of Read
++ AT91F_MCIDeviceWaitReady(AT91C_MCI_TIMEOUT);
++
++ // Write Page 1
++// sprintf(Buffer,"\n\rThis sentence is written in your device... Congratulations\n\r");
++ for(i=0; i<16; i++)
++ Buffer[i] = TestString[i];
++ AT91F_MCI_WriteBlock(&MCI_Device,(1*Max_Read_DataBlock_Length),(unsigned int*) Buffer,Max_Read_DataBlock_Length);
++
++ //* Wait end of Write
++ AT91F_MCIDeviceWaitReady(AT91C_MCI_TIMEOUT);
++#endif
++
++ for(i=0; i<64; i++) {
++ readblock(&MCI_Device, block*Max_Read_DataBlock_Length, (unsigned int *)bufpos, Max_Read_DataBlock_Length);
++ if (notnull(bufpos, Max_Read_DataBlock_Length))
++ lastvalid++;
++ block++;
++ bufpos += 512;
++ }
++
++ i = dataflash_info[0].Device.pages_number;
++ while(i>>=1)
++ NbPage++;
++ i = lastvalid + (NbPage << 13) + (dataflash_info[0].Device.pages_size << 17);
++ *(int *)(dlBuffer + 0x14) = i;
++
++ for(i=0; i<4688; i++) {
++ readblock(&MCI_Device, block*Max_Read_DataBlock_Length, (unsigned int *)bufpos, Max_Read_DataBlock_Length);
++ block++;
++ bufpos += 512;
++ }
++ write_dataflash(0xc0000000, dlBuffer, 512 * block);
++ //* End Of Test
++ printf("DONE %d\n\r", lastvalid);
++
++// printf(Buffer);
++
++ return TRUE;
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_CfgDevice
++//* \brief This function is used to initialise MMC or SDCard Features
++//*----------------------------------------------------------------------------
++void AT91F_CfgDevice(void)
++{
++ // Init Device Structure
++
++ MCI_Device_Features.Relative_Card_Address = 0;
++ MCI_Device_Features.Card_Inserted = AT91C_CARD_REMOVED;
++ MCI_Device_Features.Max_Read_DataBlock_Length = 0;
++ MCI_Device_Features.Max_Write_DataBlock_Length = 0;
++ MCI_Device_Features.Read_Partial = 0;
++ MCI_Device_Features.Write_Partial = 0;
++ MCI_Device_Features.Erase_Block_Enable = 0;
++ MCI_Device_Features.Sector_Size = 0;
++ MCI_Device_Features.Memory_Capacity = 0;
++
++ MCI_Device_Desc.state = AT91C_MCI_IDLE;
++ MCI_Device_Desc.SDCard_bus_width = AT91C_MCI_SCDBUS;
++
++ // Init AT91S_DataFlash Global Structure, by default AT45DB choosen !!!
++ MCI_Device.pMCI_DeviceDesc = &MCI_Device_Desc;
++ MCI_Device.pMCI_DeviceFeatures = &MCI_Device_Features;
++
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_Test_SDCard
++//* \brief Configure MCI for SDCard and complete SDCard init, then jump to Test Functions
++//*----------------------------------------------------------------------------
++int AT91F_Test_SDCard(void)
++{
++ //////////////////////////////////////////////////////////
++ //* For SDCard Init
++ //////////////////////////////////////////////////////////
++
++ AT91F_MCI_Configure(AT91C_BASE_MCI,
++ AT91C_MCI_DTOR_1MEGA_CYCLES,
++ AT91C_MCI_MR_PDCMODE, // 15MHz for MCK = 60MHz (CLKDIV = 1)
++ AT91C_MCI_SDCARD_4BITS_SLOTA);
++
++ if(AT91F_MCI_SDCard_Init(&MCI_Device) != AT91C_INIT_OK)
++ return FALSE;
++
++ printf("\n\rINI OK: TST\n\r");
++
++ // Enter Main Tests
++ return(AT91F_Test());
++}
++
++//*----------------------------------------------------------------------------
++//* \fn AT91F_MCI_Handler
++//* \brief MCI Handler
++//*----------------------------------------------------------------------------
++extern "C" void AT91F_MCI_Handler(void);
++
++void AT91F_MCI_Handler(void)
++{
++ int status;
++
++ status = ( AT91C_BASE_MCI->MCI_SR & AT91C_BASE_MCI->MCI_IMR );
++
++ AT91F_MCI_Device_Handler(&MCI_Device,status);
++}
++
++//*----------------------------------------------------------------------------
++//* \fn main
++//* \brief main function
++//*----------------------------------------------------------------------------
++int mci_main(void)
++{
++// printf("MCI Test\n\r");
++
++///////////////////////////////////////////////////////////////////////////////////////////
++// MCI Init : common to MMC and SDCard
++///////////////////////////////////////////////////////////////////////////////////////////
++
++// printf("\n\rInit MCI Interface\n\r");
++
++ // Set up PIO SDC_TYPE to switch on MMC/SDCard and not DataFlash Card
++ AT91F_PIO_CfgOutput(AT91C_BASE_PIOB,AT91C_PIO_PB7);
++ AT91F_PIO_SetOutput(AT91C_BASE_PIOB,AT91C_PIO_PB7);
++
++ // Init MCI for MMC and SDCard interface
++ AT91F_MCI_CfgPIO();
++ AT91F_MCI_CfgPMC();
++ AT91F_PDC_Open(AT91C_BASE_PDC_MCI);
++
++ // Disable all the interrupts
++ AT91C_BASE_MCI->MCI_IDR = 0xFFFFFFFF;
++
++ // Init MCI Device Structures
++ AT91F_CfgDevice();
++
++ // Configure MCI interrupt
++ AT91F_AIC_ConfigureIt(AT91C_BASE_AIC,
++ AT91C_ID_MCI,
++ AT91C_AIC_PRIOR_HIGHEST,
++ AT91C_AIC_SRCTYPE_INT_LEVEL_SENSITIVE,
++ AT91F_ASM_MCI_Handler);
++
++ // Enable MCI interrupt
++ AT91F_AIC_EnableIt(AT91C_BASE_AIC,AT91C_ID_MCI);
++
++///////////////////////////////////////////////////////////////////////////////////////////
++// Enter Test Menu
++///////////////////////////////////////////////////////////////////////////////////////////
++
++ // Enable Receiver
++ AT91F_US_EnableRx((AT91PS_USART) AT91C_BASE_DBGU);
++
++ if(AT91F_Test_SDCard() == TRUE)
++ printf("\n\rTST OK\n\r");
++ else
++ printf("\n\rTST Fail\n\r");
++ return(1);
++}
projects / openwrt / staging / wigyori.git / commitdiff