path: root/target/linux/at91-2.6/image/romboot/patches/002-Add-SD-Card.patch

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);		
+}