diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/at91-2.6/image/romboot/patches/002-Add-SD-Card.patch | 1822 |
1 files changed, 1822 insertions, 0 deletions
diff --git a/target/linux/at91-2.6/image/romboot/patches/002-Add-SD-Card.patch b/target/linux/at91-2.6/image/romboot/patches/002-Add-SD-Card.patch new file mode 100644 index 0000000000..e3e10545a8 --- /dev/null +++ b/target/linux/at91-2.6/image/romboot/patches/002-Add-SD-Card.patch @@ -0,0 +1,1822 @@ +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); ++} |