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Merge with /home/wd/git/u-boot/custodian/u-boot-arm

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This commit is contained in:
Wolfgang Denk 2007-08-14 18:03:48 +02:00
commit 3f76451b4a
23 changed files with 1474 additions and 1383 deletions
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2
board/at91rm9200dk/Makefile Normal file → Executable file
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@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := at91rm9200dk.o at45.o flash.o
COBJS := at91rm9200dk.o flash.o led.o mux.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))

621
board/at91rm9200dk/at45.c
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@ -1,621 +0,0 @@
/* Driver for ATMEL DataFlash support
* Author : Hamid Ikdoumi (Atmel)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <config.h>
#include <common.h>
#include <asm/hardware.h>
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#define AT91C_SPI_CLK 10000000 /* Max Value = 10MHz to be compliant to
the Continuous Array Read function */
/* AC Characteristics */
/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
#define DATAFLASH_TCSS (0xC << 16)
#define DATAFLASH_TCHS (0x1 << 24)
#define AT91C_TIMEOUT_WRDY 200000
#define AT91C_SPI_PCS0_SERIAL_DATAFLASH 0xE /* Chip Select 0 : NPCS0 %1110 */
#define AT91C_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3 : NPCS3 %0111 */
void AT91F_SpiInit(void) {
/*-------------------------------------------------------------------*/
/* SPI DataFlash Init */
/*-------------------------------------------------------------------*/
/* Configure PIOs */
AT91C_BASE_PIOA->PIO_ASR = AT91C_PA3_NPCS0 | AT91C_PA4_NPCS1 | AT91C_PA1_MOSI | AT91C_PA5_NPCS2 |
AT91C_PA6_NPCS3 | AT91C_PA0_MISO | AT91C_PA2_SPCK;
AT91C_BASE_PIOA->PIO_PDR = AT91C_PA3_NPCS0 | AT91C_PA4_NPCS1 | AT91C_PA1_MOSI | AT91C_PA5_NPCS2 |
AT91C_PA6_NPCS3 | AT91C_PA0_MISO | AT91C_PA2_SPCK;
/* Enable CLock */
AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SPI;
/* Reset the SPI */
AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SWRST;
/* Configure SPI in Master Mode with No CS selected !!! */
AT91C_BASE_SPI->SPI_MR = AT91C_SPI_MSTR | AT91C_SPI_MODFDIS | AT91C_SPI_PCS;
/* Configure CS0 and CS3 */
*(AT91C_SPI_CSR + 0) = AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & DATAFLASH_TCSS) | (AT91C_SPI_DLYBCT &
DATAFLASH_TCHS) | ((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
*(AT91C_SPI_CSR + 3) = AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & DATAFLASH_TCSS) | (AT91C_SPI_DLYBCT &
DATAFLASH_TCHS) | ((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
}
void AT91F_SpiEnable(int cs) {
switch(cs) {
case 0: /* Configure SPI CS0 for Serial DataFlash AT45DBxx */
AT91C_BASE_SPI->SPI_MR &= 0xFFF0FFFF;
AT91C_BASE_SPI->SPI_MR |= ((AT91C_SPI_PCS0_SERIAL_DATAFLASH<<16) & AT91C_SPI_PCS);
break;
case 3: /* Configure SPI CS3 for Serial DataFlash Card */
/* Set up PIO SDC_TYPE to switch on DataFlash Card and not MMC/SDCard */
AT91C_BASE_PIOB->PIO_PER = AT91C_PIO_PB7; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = AT91C_PIO_PB7; /* Configure in output */
/* Clear Output */
AT91C_BASE_PIOB->PIO_CODR = AT91C_PIO_PB7;
/* Configure PCS */
AT91C_BASE_SPI->SPI_MR &= 0xFFF0FFFF;
AT91C_BASE_SPI->SPI_MR |= ((AT91C_SPI_PCS3_DATAFLASH_CARD<<16) & AT91C_SPI_PCS);
break;
}
/* SPI_Enable */
AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SPIEN;
}
/*----------------------------------------------------------------------------*/
/* \fn AT91F_SpiWrite */
/* \brief Set the PDC registers for a transfert */
/*----------------------------------------------------------------------------*/
unsigned int AT91F_SpiWrite ( AT91PS_DataflashDesc pDesc )
{
unsigned int timeout;
pDesc->state = BUSY;
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
/* Initialize the Transmit and Receive Pointer */
AT91C_BASE_SPI->SPI_RPR = (unsigned int)pDesc->rx_cmd_pt ;
AT91C_BASE_SPI->SPI_TPR = (unsigned int)pDesc->tx_cmd_pt ;
/* Intialize the Transmit and Receive Counters */
AT91C_BASE_SPI->SPI_RCR = pDesc->rx_cmd_size;
AT91C_BASE_SPI->SPI_TCR = pDesc->tx_cmd_size;
if ( pDesc->tx_data_size != 0 ) {
/* Initialize the Next Transmit and Next Receive Pointer */
AT91C_BASE_SPI->SPI_RNPR = (unsigned int)pDesc->rx_data_pt ;
AT91C_BASE_SPI->SPI_TNPR = (unsigned int)pDesc->tx_data_pt ;
/* Intialize the Next Transmit and Next Receive Counters */
AT91C_BASE_SPI->SPI_RNCR = pDesc->rx_data_size ;
AT91C_BASE_SPI->SPI_TNCR = pDesc->tx_data_size ;
}
/* arm simple, non interrupt dependent timer */
reset_timer_masked();
timeout = 0;
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTEN + AT91C_PDC_RXTEN;
while(!(AT91C_BASE_SPI->SPI_SR & AT91C_SPI_RXBUFF) && ((timeout = get_timer_masked() ) < CFG_SPI_WRITE_TOUT));
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
pDesc->state = IDLE;
if (timeout >= CFG_SPI_WRITE_TOUT){
printf("Error Timeout\n\r");
return DATAFLASH_ERROR;
}
return DATAFLASH_OK;
}
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashSendCommand */
/* \brief Generic function to send a command to the dataflash */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashSendCommand(
AT91PS_DataFlash pDataFlash,
unsigned char OpCode,
unsigned int CmdSize,
unsigned int DataflashAddress)
{
unsigned int adr;
if ( (pDataFlash->pDataFlashDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* process the address to obtain page address and byte address */
adr = ((DataflashAddress / (pDataFlash->pDevice->pages_size)) << pDataFlash->pDevice->page_offset) + (DataflashAddress % (pDataFlash->pDevice->pages_size));
/* fill the command buffer */
pDataFlash->pDataFlashDesc->command[0] = OpCode;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[1] = (unsigned char)((adr & 0x0F000000) >> 24);
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[4] = (unsigned char)(adr & 0x000000FF);
} else {
pDataFlash->pDataFlashDesc->command[1] = (unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)(adr & 0x000000FF) ;
pDataFlash->pDataFlashDesc->command[4] = 0;
}
pDataFlash->pDataFlashDesc->command[5] = 0;
pDataFlash->pDataFlashDesc->command[6] = 0;
pDataFlash->pDataFlashDesc->command[7] = 0;
/* Initialize the SpiData structure for the spi write fuction */
pDataFlash->pDataFlashDesc->tx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->tx_cmd_size = CmdSize ;
pDataFlash->pDataFlashDesc->rx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->rx_cmd_size = CmdSize ;
/* send the command and read the data */
return AT91F_SpiWrite (pDataFlash->pDataFlashDesc);
}
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashGetStatus */
/* \brief Read the status register of the dataflash */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashGetStatus(AT91PS_DataflashDesc pDesc)
{
AT91S_DataFlashStatus status;
/* if a transfert is in progress ==> return 0 */
if( (pDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* first send the read status command (D7H) */
pDesc->command[0] = DB_STATUS;
pDesc->command[1] = 0;
pDesc->DataFlash_state = GET_STATUS;
pDesc->tx_data_size = 0 ; /* Transmit the command and receive response */
pDesc->tx_cmd_pt = pDesc->command ;
pDesc->rx_cmd_pt = pDesc->command ;
pDesc->rx_cmd_size = 2 ;
pDesc->tx_cmd_size = 2 ;
status = AT91F_SpiWrite (pDesc);
pDesc->DataFlash_state = *( (unsigned char *) (pDesc->rx_cmd_pt) +1);
return status;
}
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashWaitReady */
/* \brief wait for dataflash ready (bit7 of the status register == 1) */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWaitReady(AT91PS_DataflashDesc pDataFlashDesc, unsigned int timeout)
{
pDataFlashDesc->DataFlash_state = IDLE;
do {
AT91F_DataFlashGetStatus(pDataFlashDesc);
timeout--;
} while( ((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) && (timeout > 0) );
if((pDataFlashDesc->DataFlash_state & 0x80) != 0x80)
return DATAFLASH_ERROR;
return DATAFLASH_OK;
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashContinuousRead */
/* Object : Continuous stream Read */
/* Input Parameters : DataFlash Service */
/* : <src> = dataflash address */
/* : <*dataBuffer> = data buffer pointer */
/* : <sizeToRead> = data buffer size */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashContinuousRead (
AT91PS_DataFlash pDataFlash,
int src,
unsigned char *dataBuffer,
int sizeToRead )
{
AT91S_DataFlashStatus status;
/* Test the size to read in the device */
if ( (src + sizeToRead) > (pDataFlash->pDevice->pages_size * (pDataFlash->pDevice->pages_number)))
return DATAFLASH_MEMORY_OVERFLOW;
pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->rx_data_size = sizeToRead;
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->tx_data_size = sizeToRead;
status = AT91F_DataFlashSendCommand (pDataFlash, DB_CONTINUOUS_ARRAY_READ, 8, src);
/* Send the command to the dataflash */
return(status);
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashPagePgmBuf */
/* Object : Main memory page program through buffer 1 or buffer 2 */
/* Input Parameters : DataFlash Service */
/* : <*src> = Source buffer */
/* : <dest> = dataflash destination address */
/* : <SizeToWrite> = data buffer size */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashPagePgmBuf(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int SizeToWrite)
{
int cmdsize;
pDataFlash->pDataFlashDesc->tx_data_pt = src ;
pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite ;
pDataFlash->pDataFlashDesc->rx_data_pt = src;
pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite;
cmdsize = 4;
/* Send the command to the dataflash */
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_PGM_BUF1, cmdsize, dest));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_MainMemoryToBufferTransfert */
/* Object : Read a page in the SRAM Buffer 1 or 2 */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_MainMemoryToBufferTransfert(
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int page)
{
int cmdsize;
/* Test if the buffer command is legal */
if ((BufferCommand != DB_PAGE_2_BUF1_TRF) && (BufferCommand != DB_PAGE_2_BUF2_TRF))
return DATAFLASH_BAD_COMMAND;
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize, page*pDataFlash->pDevice->pages_size));
}
/*----------------------------------------------------------------------------- */
/* Function Name : AT91F_DataFlashWriteBuffer */
/* Object : Write data to the internal sram buffer 1 or 2 */
/* Input Parameters : DataFlash Service */
/* : <BufferCommand> = command to write buffer1 or buffer2 */
/* : <*dataBuffer> = data buffer to write */
/* : <bufferAddress> = address in the internal buffer */
/* : <SizeToWrite> = data buffer size */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned char *dataBuffer,
unsigned int bufferAddress,
int SizeToWrite )
{
int cmdsize;
/* Test if the buffer command is legal */
if ((BufferCommand != DB_BUF1_WRITE) && (BufferCommand != DB_BUF2_WRITE))
return DATAFLASH_BAD_COMMAND;
/* buffer address must be lower than page size */
if (bufferAddress > pDataFlash->pDevice->pages_size)
return DATAFLASH_BAD_ADDRESS;
if ( (pDataFlash->pDataFlashDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* Send first Write Command */
pDataFlash->pDataFlashDesc->command[0] = BufferCommand;
pDataFlash->pDataFlashDesc->command[1] = 0;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[2] = 0;
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)(((unsigned int)(bufferAddress & pDataFlash->pDevice->byte_mask)) >> 8) ;
pDataFlash->pDataFlashDesc->command[4] = (unsigned char)((unsigned int)bufferAddress & 0x00FF) ;
cmdsize = 5;
} else {
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)(((unsigned int)(bufferAddress & pDataFlash->pDevice->byte_mask)) >> 8) ;
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)((unsigned int)bufferAddress & 0x00FF) ;
pDataFlash->pDataFlashDesc->command[4] = 0;
cmdsize = 4;
}
pDataFlash->pDataFlashDesc->tx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->tx_cmd_size = cmdsize ;
pDataFlash->pDataFlashDesc->rx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->rx_cmd_size = cmdsize ;
pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer ;
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer ;
pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite ;
pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite ;
return AT91F_SpiWrite(pDataFlash->pDataFlashDesc);
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_PageErase */
/* Object : Erase a page */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_PageErase(
AT91PS_DataFlash pDataFlash,
unsigned int page)
{
int cmdsize;
/* Test if the buffer command is legal */
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_ERASE, cmdsize, page*pDataFlash->pDevice->pages_size));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_BlockErase */
/* Object : Erase a Block */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_BlockErase(
AT91PS_DataFlash pDataFlash,
unsigned int block)
{
int cmdsize;
/* Test if the buffer command is legal */
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_BLOCK_ERASE,cmdsize, block*8*pDataFlash->pDevice->pages_size));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_WriteBufferToMain */
/* Object : Write buffer to the main memory */
/* Input Parameters : DataFlash Service */
/* : <BufferCommand> = command to send to buffer1 or buffer2 */
/* : <dest> = main memory address */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_WriteBufferToMain (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int dest )
{
int cmdsize;
/* Test if the buffer command is correct */
if ((BufferCommand != DB_BUF1_PAGE_PGM) &&
(BufferCommand != DB_BUF1_PAGE_ERASE_PGM) &&
(BufferCommand != DB_BUF2_PAGE_PGM) &&
(BufferCommand != DB_BUF2_PAGE_ERASE_PGM) )
return DATAFLASH_BAD_COMMAND;
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
/* Send the command to the dataflash */
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize, dest));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_PartialPageWrite */
/* Object : Erase partielly a page */
/* Input Parameters : <page> = page number */
/* : <AdrInpage> = adr to begin the fading */
/* : <length> = Number of bytes to erase */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_PartialPageWrite (
AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int size)
{
unsigned int page;
unsigned int AdrInPage;
page = dest / (pDataFlash->pDevice->pages_size);
AdrInPage = dest % (pDataFlash->pDevice->pages_size);
/* Read the contents of the page in the Sram Buffer */
AT91F_MainMemoryToBufferTransfert(pDataFlash, DB_PAGE_2_BUF1_TRF, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/*Update the SRAM buffer */
AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src, AdrInPage, size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Erase page if a 128 Mbits device */
if (pDataFlash->pDevice->pages_number >= 16384) {
AT91F_PageErase(pDataFlash, page);
/* Rewrite the modified Sram Buffer in the main memory */
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
}
/* Rewrite the modified Sram Buffer in the main memory */
return(AT91F_WriteBufferToMain(pDataFlash, DB_BUF1_PAGE_ERASE_PGM, (page*pDataFlash->pDevice->pages_size)));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashWrite */
/* Object : */
/* Input Parameters : <*src> = Source buffer */
/* : <dest> = dataflash adress */
/* : <size> = data buffer size */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWrite(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
int dest,
int size )
{
unsigned int length;
unsigned int page;
unsigned int status;
AT91F_SpiEnable(pDataFlash->pDevice->cs);
if ( (dest + size) > (pDataFlash->pDevice->pages_size * (pDataFlash->pDevice->pages_number)))
return DATAFLASH_MEMORY_OVERFLOW;
/* If destination does not fit a page start address */
if ((dest % ((unsigned int)(pDataFlash->pDevice->pages_size))) != 0 ) {
length = pDataFlash->pDevice->pages_size - (dest % ((unsigned int)(pDataFlash->pDevice->pages_size)));
if (size < length)
length = size;
if(!AT91F_PartialPageWrite(pDataFlash,src, dest, length))
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= length;
dest += length;
src += length;
}
while (( size - pDataFlash->pDevice->pages_size ) >= 0 ) {
/* program dataflash page */
page = (unsigned int)dest / (pDataFlash->pDevice->pages_size);
status = AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src, 0, pDataFlash->pDevice->pages_size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
status = AT91F_PageErase(pDataFlash, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
if (!status)
return DATAFLASH_ERROR;
status = AT91F_WriteBufferToMain (pDataFlash, DB_BUF1_PAGE_PGM, dest);
if(!status)
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= pDataFlash->pDevice->pages_size ;
dest += pDataFlash->pDevice->pages_size ;
src += pDataFlash->pDevice->pages_size ;
}
/* If still some bytes to read */
if ( size > 0 ) {
/* program dataflash page */
if(!AT91F_PartialPageWrite(pDataFlash, src, dest, size) )
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
}
return DATAFLASH_OK;
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashRead */
/* Object : Read a block in dataflash */
/* Input Parameters : */
/* Return value : */
/*------------------------------------------------------------------------------*/
int AT91F_DataFlashRead(
AT91PS_DataFlash pDataFlash,
unsigned long addr,
unsigned long size,
char *buffer)
{
unsigned long SizeToRead;
AT91F_SpiEnable(pDataFlash->pDevice->cs);
if(AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
while (size) {
SizeToRead = (size < 0x8000)? size:0x8000;
if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
if (AT91F_DataFlashContinuousRead (pDataFlash, addr, (uchar *)buffer, SizeToRead) != DATAFLASH_OK)
return -1;
size -= SizeToRead;
addr += SizeToRead;
buffer += SizeToRead;
}
return DATAFLASH_OK;
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataflashProbe */
/* Object : */
/* Input Parameters : */
/* Return value : Dataflash status register */
/*------------------------------------------------------------------------------*/
int AT91F_DataflashProbe(int cs, AT91PS_DataflashDesc pDesc)
{
AT91F_SpiEnable(cs);
AT91F_DataFlashGetStatus(pDesc);
return((pDesc->command[1] == 0xFF)? 0: pDesc->command[1] & 0x3C);
}
#endif

80
board/at91rm9200dk/led.c Normal file
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@ -0,0 +1,80 @@
/*
* (C) Copyright 2006
* Atmel Nordic AB <www.atmel.com>
* Ulf Samuelsson <ulf@atmel.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/arch/AT91RM9200.h>
#define GREEN_LED AT91C_PIO_PB0
#define YELLOW_LED AT91C_PIO_PB1
#define RED_LED AT91C_PIO_PB2
void green_LED_on(void)
{
AT91PS_PIO PIOB = AT91C_BASE_PIOB;
PIOB->PIO_CODR = GREEN_LED;
}
void yellow_LED_on(void)
{
AT91PS_PIO PIOB = AT91C_BASE_PIOB;
PIOB->PIO_CODR = YELLOW_LED;
}
void red_LED_on(void)
{
AT91PS_PIO PIOB = AT91C_BASE_PIOB;
PIOB->PIO_CODR = RED_LED;
}
void green_LED_off(void)
{
AT91PS_PIO PIOB = AT91C_BASE_PIOB;
PIOB->PIO_SODR = GREEN_LED;
}
void yellow_LED_off(void)
{
AT91PS_PIO PIOB = AT91C_BASE_PIOB;
PIOB->PIO_SODR = YELLOW_LED;
}
void red_LED_off(void)
{
AT91PS_PIO PIOB = AT91C_BASE_PIOB;
PIOB->PIO_SODR = RED_LED;
}
void LED_init (void)
{
AT91PS_PIO PIOB = AT91C_BASE_PIOB;
AT91PS_PMC PMC = AT91C_BASE_PMC;
PMC->PMC_PCER = (1 << AT91C_ID_PIOB); /* Enable PIOB clock */
/* Disable peripherals on LEDs */
PIOB->PIO_PER = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0;
/* Enable pins as outputs */
PIOB->PIO_OER = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0;
/* Turn all LEDs OFF */
PIOB->PIO_SODR = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0;
}

39
board/at91rm9200dk/mux.c Normal file
View File

@ -0,0 +1,39 @@
#include <config.h>
#include <common.h>
#include <asm/hardware.h>
#include <dataflash.h>
int AT91F_GetMuxStatus(void) {
#ifdef DATAFLASH_MMC_SELECT
AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
if(AT91C_BASE_PIOB->PIO_ODSR & DATAFLASH_MMC_SELECT) {
return 1;
} else {
return 0;
}
#endif
return 0;
}
void AT91F_SelectMMC(void) {
#ifdef DATAFLASH_MMC_SELECT
AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
/* Set Output */
AT91C_BASE_PIOB->PIO_SODR = DATAFLASH_MMC_SELECT;
#endif
}
void AT91F_SelectSPI(void) {
#ifdef DATAFLASH_MMC_SELECT
AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
/* Clear Output */
AT91C_BASE_PIOB->PIO_CODR = DATAFLASH_MMC_SELECT;
#endif
}

2
board/cmc_pu2/Makefile Normal file → Executable file
View File

@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := cmc_pu2.o at45.o flash.o load_sernum_ethaddr.o
COBJS := cmc_pu2.o flash.o load_sernum_ethaddr.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))

621
board/cmc_pu2/at45.c
View File

@ -1,621 +0,0 @@
/* Driver for ATMEL DataFlash support
* Author : Hamid Ikdoumi (Atmel)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <config.h>
#include <common.h>
#include <asm/hardware.h>
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#define AT91C_SPI_CLK 10000000 /* Max Value = 10MHz to be compliant to
the Continuous Array Read function */
/* AC Characteristics */
/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
#define DATAFLASH_TCSS (0xC << 16)
#define DATAFLASH_TCHS (0x1 << 24)
#define AT91C_TIMEOUT_WRDY 200000
#define AT91C_SPI_PCS0_SERIAL_DATAFLASH 0xE /* Chip Select 0 : NPCS0 %1110 */
#define AT91C_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3 : NPCS3 %0111 */
void AT91F_SpiInit(void) {
/*-------------------------------------------------------------------*/
/* SPI DataFlash Init */
/*-------------------------------------------------------------------*/
/* Configure PIOs */
AT91C_BASE_PIOA->PIO_ASR = AT91C_PA3_NPCS0 | AT91C_PA4_NPCS1 | AT91C_PA1_MOSI | AT91C_PA5_NPCS2 |
AT91C_PA6_NPCS3 | AT91C_PA0_MISO | AT91C_PA2_SPCK;
AT91C_BASE_PIOA->PIO_PDR = AT91C_PA3_NPCS0 | AT91C_PA4_NPCS1 | AT91C_PA1_MOSI | AT91C_PA5_NPCS2 |
AT91C_PA6_NPCS3 | AT91C_PA0_MISO | AT91C_PA2_SPCK;
/* Enable CLock */
AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SPI;
/* Reset the SPI */
AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SWRST;
/* Configure SPI in Master Mode with No CS selected !!! */
AT91C_BASE_SPI->SPI_MR = AT91C_SPI_MSTR | AT91C_SPI_MODFDIS | AT91C_SPI_PCS;
/* Configure CS0 and CS3 */
*(AT91C_SPI_CSR + 0) = AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & DATAFLASH_TCSS) | (AT91C_SPI_DLYBCT &
DATAFLASH_TCHS) | ((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
*(AT91C_SPI_CSR + 3) = AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & DATAFLASH_TCSS) | (AT91C_SPI_DLYBCT &
DATAFLASH_TCHS) | ((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
}
void AT91F_SpiEnable(int cs) {
switch(cs) {
case 0: /* Configure SPI CS0 for Serial DataFlash AT45DBxx */
AT91C_BASE_SPI->SPI_MR &= 0xFFF0FFFF;
AT91C_BASE_SPI->SPI_MR |= ((AT91C_SPI_PCS0_SERIAL_DATAFLASH<<16) & AT91C_SPI_PCS);
break;
case 3: /* Configure SPI CS3 for Serial DataFlash Card */
/* Set up PIO SDC_TYPE to switch on DataFlash Card and not MMC/SDCard */
AT91C_BASE_PIOB->PIO_PER = AT91C_PIO_PB7; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = AT91C_PIO_PB7; /* Configure in output */
/* Clear Output */
AT91C_BASE_PIOB->PIO_CODR = AT91C_PIO_PB7;
/* Configure PCS */
AT91C_BASE_SPI->SPI_MR &= 0xFFF0FFFF;
AT91C_BASE_SPI->SPI_MR |= ((AT91C_SPI_PCS3_DATAFLASH_CARD<<16) & AT91C_SPI_PCS);
break;
}
/* SPI_Enable */
AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SPIEN;
}
/*----------------------------------------------------------------------------*/
/* \fn AT91F_SpiWrite */
/* \brief Set the PDC registers for a transfert */
/*----------------------------------------------------------------------------*/
unsigned int AT91F_SpiWrite ( AT91PS_DataflashDesc pDesc )
{
unsigned int timeout;
pDesc->state = BUSY;
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
/* Initialize the Transmit and Receive Pointer */
AT91C_BASE_SPI->SPI_RPR = (unsigned int)pDesc->rx_cmd_pt ;
AT91C_BASE_SPI->SPI_TPR = (unsigned int)pDesc->tx_cmd_pt ;
/* Intialize the Transmit and Receive Counters */
AT91C_BASE_SPI->SPI_RCR = pDesc->rx_cmd_size;
AT91C_BASE_SPI->SPI_TCR = pDesc->tx_cmd_size;
if ( pDesc->tx_data_size != 0 ) {
/* Initialize the Next Transmit and Next Receive Pointer */
AT91C_BASE_SPI->SPI_RNPR = (unsigned int)pDesc->rx_data_pt ;
AT91C_BASE_SPI->SPI_TNPR = (unsigned int)pDesc->tx_data_pt ;
/* Intialize the Next Transmit and Next Receive Counters */
AT91C_BASE_SPI->SPI_RNCR = pDesc->rx_data_size ;
AT91C_BASE_SPI->SPI_TNCR = pDesc->tx_data_size ;
}
/* arm simple, non interrupt dependent timer */
reset_timer_masked();
timeout = 0;
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTEN + AT91C_PDC_RXTEN;
while(!(AT91C_BASE_SPI->SPI_SR & AT91C_SPI_RXBUFF) && ((timeout = get_timer_masked() ) < CFG_SPI_WRITE_TOUT));
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
pDesc->state = IDLE;
if (timeout >= CFG_SPI_WRITE_TOUT){
printf("Error Timeout\n\r");
return DATAFLASH_ERROR;
}
return DATAFLASH_OK;
}
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashSendCommand */
/* \brief Generic function to send a command to the dataflash */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashSendCommand(
AT91PS_DataFlash pDataFlash,
unsigned char OpCode,
unsigned int CmdSize,
unsigned int DataflashAddress)
{
unsigned int adr;
if ( (pDataFlash->pDataFlashDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* process the address to obtain page address and byte address */
adr = ((DataflashAddress / (pDataFlash->pDevice->pages_size)) << pDataFlash->pDevice->page_offset) + (DataflashAddress % (pDataFlash->pDevice->pages_size));
/* fill the command buffer */
pDataFlash->pDataFlashDesc->command[0] = OpCode;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[1] = (unsigned char)((adr & 0x0F000000) >> 24);
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[4] = (unsigned char)(adr & 0x000000FF);
} else {
pDataFlash->pDataFlashDesc->command[1] = (unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)(adr & 0x000000FF) ;
pDataFlash->pDataFlashDesc->command[4] = 0;
}
pDataFlash->pDataFlashDesc->command[5] = 0;
pDataFlash->pDataFlashDesc->command[6] = 0;
pDataFlash->pDataFlashDesc->command[7] = 0;
/* Initialize the SpiData structure for the spi write fuction */
pDataFlash->pDataFlashDesc->tx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->tx_cmd_size = CmdSize ;
pDataFlash->pDataFlashDesc->rx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->rx_cmd_size = CmdSize ;
/* send the command and read the data */
return AT91F_SpiWrite (pDataFlash->pDataFlashDesc);
}
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashGetStatus */
/* \brief Read the status register of the dataflash */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashGetStatus(AT91PS_DataflashDesc pDesc)
{
AT91S_DataFlashStatus status;
/* if a transfert is in progress ==> return 0 */
if( (pDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* first send the read status command (D7H) */
pDesc->command[0] = DB_STATUS;
pDesc->command[1] = 0;
pDesc->DataFlash_state = GET_STATUS;
pDesc->tx_data_size = 0 ; /* Transmit the command and receive response */
pDesc->tx_cmd_pt = pDesc->command ;
pDesc->rx_cmd_pt = pDesc->command ;
pDesc->rx_cmd_size = 2 ;
pDesc->tx_cmd_size = 2 ;
status = AT91F_SpiWrite (pDesc);
pDesc->DataFlash_state = *( (unsigned char *) (pDesc->rx_cmd_pt) +1);
return status;
}
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashWaitReady */
/* \brief wait for dataflash ready (bit7 of the status register == 1) */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWaitReady(AT91PS_DataflashDesc pDataFlashDesc, unsigned int timeout)
{
pDataFlashDesc->DataFlash_state = IDLE;
do {
AT91F_DataFlashGetStatus(pDataFlashDesc);
timeout--;
} while( ((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) && (timeout > 0) );
if((pDataFlashDesc->DataFlash_state & 0x80) != 0x80)
return DATAFLASH_ERROR;
return DATAFLASH_OK;
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashContinuousRead */
/* Object : Continuous stream Read */
/* Input Parameters : DataFlash Service */
/* : <src> = dataflash address */
/* : <*dataBuffer> = data buffer pointer */
/* : <sizeToRead> = data buffer size */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashContinuousRead (
AT91PS_DataFlash pDataFlash,
int src,
unsigned char *dataBuffer,
int sizeToRead )
{
AT91S_DataFlashStatus status;
/* Test the size to read in the device */
if ( (src + sizeToRead) > (pDataFlash->pDevice->pages_size * (pDataFlash->pDevice->pages_number)))
return DATAFLASH_MEMORY_OVERFLOW;
pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->rx_data_size = sizeToRead;
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->tx_data_size = sizeToRead;
status = AT91F_DataFlashSendCommand (pDataFlash, DB_CONTINUOUS_ARRAY_READ, 8, src);
/* Send the command to the dataflash */
return(status);
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashPagePgmBuf */
/* Object : Main memory page program through buffer 1 or buffer 2 */
/* Input Parameters : DataFlash Service */
/* : <*src> = Source buffer */
/* : <dest> = dataflash destination address */
/* : <SizeToWrite> = data buffer size */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashPagePgmBuf(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int SizeToWrite)
{
int cmdsize;
pDataFlash->pDataFlashDesc->tx_data_pt = src ;
pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite ;
pDataFlash->pDataFlashDesc->rx_data_pt = src;
pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite;
cmdsize = 4;
/* Send the command to the dataflash */
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_PGM_BUF1, cmdsize, dest));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_MainMemoryToBufferTransfert */
/* Object : Read a page in the SRAM Buffer 1 or 2 */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_MainMemoryToBufferTransfert(
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int page)
{
int cmdsize;
/* Test if the buffer command is legal */
if ((BufferCommand != DB_PAGE_2_BUF1_TRF) && (BufferCommand != DB_PAGE_2_BUF2_TRF))
return DATAFLASH_BAD_COMMAND;
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize, page*pDataFlash->pDevice->pages_size));
}
/*----------------------------------------------------------------------------- */
/* Function Name : AT91F_DataFlashWriteBuffer */
/* Object : Write data to the internal sram buffer 1 or 2 */
/* Input Parameters : DataFlash Service */
/* : <BufferCommand> = command to write buffer1 or buffer2 */
/* : <*dataBuffer> = data buffer to write */
/* : <bufferAddress> = address in the internal buffer */
/* : <SizeToWrite> = data buffer size */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned char *dataBuffer,
unsigned int bufferAddress,
int SizeToWrite )
{
int cmdsize;
/* Test if the buffer command is legal */
if ((BufferCommand != DB_BUF1_WRITE) && (BufferCommand != DB_BUF2_WRITE))
return DATAFLASH_BAD_COMMAND;
/* buffer address must be lower than page size */
if (bufferAddress > pDataFlash->pDevice->pages_size)
return DATAFLASH_BAD_ADDRESS;
if ( (pDataFlash->pDataFlashDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* Send first Write Command */
pDataFlash->pDataFlashDesc->command[0] = BufferCommand;
pDataFlash->pDataFlashDesc->command[1] = 0;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[2] = 0;
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)(((unsigned int)(bufferAddress & pDataFlash->pDevice->byte_mask)) >> 8) ;
pDataFlash->pDataFlashDesc->command[4] = (unsigned char)((unsigned int)bufferAddress & 0x00FF) ;
cmdsize = 5;
} else {
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)(((unsigned int)(bufferAddress & pDataFlash->pDevice->byte_mask)) >> 8) ;
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)((unsigned int)bufferAddress & 0x00FF) ;
pDataFlash->pDataFlashDesc->command[4] = 0;
cmdsize = 4;
}
pDataFlash->pDataFlashDesc->tx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->tx_cmd_size = cmdsize ;
pDataFlash->pDataFlashDesc->rx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->rx_cmd_size = cmdsize ;
pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer ;
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer ;
pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite ;
pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite ;
return AT91F_SpiWrite(pDataFlash->pDataFlashDesc);
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_PageErase */
/* Object : Erase a page */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_PageErase(
AT91PS_DataFlash pDataFlash,
unsigned int page)
{
int cmdsize;
/* Test if the buffer command is legal */
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_ERASE, cmdsize, page*pDataFlash->pDevice->pages_size));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_BlockErase */
/* Object : Erase a Block */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_BlockErase(
AT91PS_DataFlash pDataFlash,
unsigned int block)
{
int cmdsize;
/* Test if the buffer command is legal */
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_BLOCK_ERASE,cmdsize, block*8*pDataFlash->pDevice->pages_size));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_WriteBufferToMain */
/* Object : Write buffer to the main memory */
/* Input Parameters : DataFlash Service */
/* : <BufferCommand> = command to send to buffer1 or buffer2 */
/* : <dest> = main memory address */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_WriteBufferToMain (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int dest )
{
int cmdsize;
/* Test if the buffer command is correct */
if ((BufferCommand != DB_BUF1_PAGE_PGM) &&
(BufferCommand != DB_BUF1_PAGE_ERASE_PGM) &&
(BufferCommand != DB_BUF2_PAGE_PGM) &&
(BufferCommand != DB_BUF2_PAGE_ERASE_PGM) )
return DATAFLASH_BAD_COMMAND;
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
/* Send the command to the dataflash */
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize, dest));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_PartialPageWrite */
/* Object : Erase partielly a page */
/* Input Parameters : <page> = page number */
/* : <AdrInpage> = adr to begin the fading */
/* : <length> = Number of bytes to erase */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_PartialPageWrite (
AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int size)
{
unsigned int page;
unsigned int AdrInPage;
page = dest / (pDataFlash->pDevice->pages_size);
AdrInPage = dest % (pDataFlash->pDevice->pages_size);
/* Read the contents of the page in the Sram Buffer */
AT91F_MainMemoryToBufferTransfert(pDataFlash, DB_PAGE_2_BUF1_TRF, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/*Update the SRAM buffer */
AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src, AdrInPage, size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Erase page if a 128 Mbits device */
if (pDataFlash->pDevice->pages_number >= 16384) {
AT91F_PageErase(pDataFlash, page);
/* Rewrite the modified Sram Buffer in the main memory */
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
}
/* Rewrite the modified Sram Buffer in the main memory */
return(AT91F_WriteBufferToMain(pDataFlash, DB_BUF1_PAGE_ERASE_PGM, (page*pDataFlash->pDevice->pages_size)));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashWrite */
/* Object : */
/* Input Parameters : <*src> = Source buffer */
/* : <dest> = dataflash adress */
/* : <size> = data buffer size */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWrite(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
int dest,
int size )
{
unsigned int length;
unsigned int page;
unsigned int status;
AT91F_SpiEnable(pDataFlash->pDevice->cs);
if ( (dest + size) > (pDataFlash->pDevice->pages_size * (pDataFlash->pDevice->pages_number)))
return DATAFLASH_MEMORY_OVERFLOW;
/* If destination does not fit a page start address */
if ((dest % ((unsigned int)(pDataFlash->pDevice->pages_size))) != 0 ) {
length = pDataFlash->pDevice->pages_size - (dest % ((unsigned int)(pDataFlash->pDevice->pages_size)));
if (size < length)
length = size;
if(!AT91F_PartialPageWrite(pDataFlash,src, dest, length))
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= length;
dest += length;
src += length;
}
while (( size - pDataFlash->pDevice->pages_size ) >= 0 ) {
/* program dataflash page */
page = (unsigned int)dest / (pDataFlash->pDevice->pages_size);
status = AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src, 0, pDataFlash->pDevice->pages_size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
status = AT91F_PageErase(pDataFlash, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
if (!status)
return DATAFLASH_ERROR;
status = AT91F_WriteBufferToMain (pDataFlash, DB_BUF1_PAGE_PGM, dest);
if(!status)
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= pDataFlash->pDevice->pages_size ;
dest += pDataFlash->pDevice->pages_size ;
src += pDataFlash->pDevice->pages_size ;
}
/* If still some bytes to read */
if ( size > 0 ) {
/* program dataflash page */
if(!AT91F_PartialPageWrite(pDataFlash, src, dest, size) )
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
}
return DATAFLASH_OK;
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashRead */
/* Object : Read a block in dataflash */
/* Input Parameters : */
/* Return value : */
/*------------------------------------------------------------------------------*/
int AT91F_DataFlashRead(
AT91PS_DataFlash pDataFlash,
unsigned long addr,
unsigned long size,
char *buffer)
{
unsigned long SizeToRead;
AT91F_SpiEnable(pDataFlash->pDevice->cs);
if(AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
while (size) {
SizeToRead = (size < 0x8000)? size:0x8000;
if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
if (AT91F_DataFlashContinuousRead (pDataFlash, addr, buffer, SizeToRead) != DATAFLASH_OK)
return -1;
size -= SizeToRead;
addr += SizeToRead;
buffer += SizeToRead;
}
return DATAFLASH_OK;
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataflashProbe */
/* Object : */
/* Input Parameters : */
/* Return value : Dataflash status register */
/*------------------------------------------------------------------------------*/
int AT91F_DataflashProbe(int cs, AT91PS_DataflashDesc pDesc)
{
AT91F_SpiEnable(cs);
AT91F_DataFlashGetStatus(pDesc);
return((pDesc->command[1] == 0xFF)? 0: pDesc->command[1] & 0x3C);
}
#endif

2
common/soft_i2c.c
View File

@ -29,7 +29,7 @@
#ifdef CONFIG_MPC8260 /* only valid for MPC8260 */
#include <ioports.h>
#endif
#ifdef CONFIG_AT91RM9200DK /* need this for the at91rm9200dk */
#ifdef CONFIG_AT91RM9200 /* need this for the at91rm9200 */
#include <asm/io.h>
#include <asm/arch/hardware.h>
#endif

2
cpu/arm920t/at91rm9200/Makefile
View File

@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
COBJS = bcm5221.o dm9161.o ether.o i2c.o interrupts.o \
lxt972.o serial.o usb.o
lxt972.o serial.o usb.o spi.o
SOBJS = lowlevel_init.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)

11
cpu/arm920t/at91rm9200/dm9161.c
View File

@ -95,7 +95,7 @@ UCHAR dm9161_GetLinkSpeed (AT91PS_EMAC p_mac)
return TRUE;
}
if ((stat1 & DM9161_100BASE_T4_HD) && (stat2 & DM9161_100HDX)) {
if ((stat1 & DM9161_100BASE_TX_HD) && (stat2 & DM9161_100HDX)) {
/*set MII for 100BaseTX and Half Duplex */
p_mac->EMAC_CFG = (p_mac->EMAC_CFG &
~(AT91C_EMAC_SPD | AT91C_EMAC_FD))
@ -140,7 +140,7 @@ UCHAR dm9161_InitPhy (AT91PS_EMAC p_mac)
at91rm9200_EmacReadPhy (p_mac, DM9161_MDINTR, &IntValue);
/* set FDX, SPD, Link, INTR masks */
IntValue |= (DM9161_FDX_MASK | DM9161_SPD_MASK |
DM9161_LINK_MASK | DM9161_INTR_MASK);
DM9161_LINK_MASK | DM9161_INTR_MASK);
at91rm9200_EmacWritePhy (p_mac, DM9161_MDINTR, &IntValue);
at91rm9200_EmacDisableMDIO (p_mac);
@ -174,10 +174,11 @@ UCHAR dm9161_AutoNegotiate (AT91PS_EMAC p_mac, int *status)
if (!at91rm9200_EmacWritePhy (p_mac, DM9161_BMCR, &value))
return FALSE;
/* Set the Auto_negotiation Advertisement Register */
/* MII advertising for Next page, 100BaseTxFD and HD, 10BaseTFD and HD, IEEE 802.3 */
/* Set the Auto_negotiation Advertisement Register */
/* MII advertising for Next page, 100BaseTxFD and HD, */
/* 10BaseTFD and HD, IEEE 802.3 */
PhyAnar = DM9161_NP | DM9161_TX_FDX | DM9161_TX_HDX |
DM9161_10_FDX | DM9161_10_HDX | DM9161_AN_IEEE_802_3;
DM9161_10_FDX | DM9161_10_HDX | DM9161_AN_IEEE_802_3;
if (!at91rm9200_EmacWritePhy (p_mac, DM9161_ANAR, &PhyAnar))
return FALSE;

153
cpu/arm920t/at91rm9200/spi.c Normal file
View File

@ -0,0 +1,153 @@
/* Driver for ATMEL DataFlash support
* Author : Hamid Ikdoumi (Atmel)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <config.h>
#include <common.h>
#include <asm/hardware.h>
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#define AT91C_SPI_CLK 10000000 /* Max Value = 10MHz to be compliant to
the Continuous Array Read function */
/* AC Characteristics */
/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
#define DATAFLASH_TCSS (0xC << 16)
#define DATAFLASH_TCHS (0x1 << 24)
#define AT91C_TIMEOUT_WRDY 200000
#define AT91C_SPI_PCS0_SERIAL_DATAFLASH 0xE /* Chip Select 0: NPCS0%1110 */
#define AT91C_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3: NPCS3%0111 */
/*-------------------------------------------------------------------*/
/* SPI DataFlash Init */
/*-------------------------------------------------------------------*/
void AT91F_SpiInit(void)
{
/* Configure PIOs */
AT91C_BASE_PIOA->PIO_ASR =
AT91C_PA3_NPCS0 | AT91C_PA4_NPCS1 | AT91C_PA1_MOSI |
AT91C_PA5_NPCS2 | AT91C_PA6_NPCS3 | AT91C_PA0_MISO |
AT91C_PA2_SPCK;
AT91C_BASE_PIOA->PIO_PDR =
AT91C_PA3_NPCS0 | AT91C_PA4_NPCS1 | AT91C_PA1_MOSI |
AT91C_PA5_NPCS2 | AT91C_PA6_NPCS3 | AT91C_PA0_MISO |
AT91C_PA2_SPCK;
/* Enable CLock */
AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SPI;
/* Reset the SPI */
AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SWRST;
/* Configure SPI in Master Mode with No CS selected !!! */
AT91C_BASE_SPI->SPI_MR =
AT91C_SPI_MSTR | AT91C_SPI_MODFDIS | AT91C_SPI_PCS;
/* Configure CS0 and CS3 */
*(AT91C_SPI_CSR + 0) =
AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & DATAFLASH_TCSS) |
(AT91C_SPI_DLYBCT & DATAFLASH_TCHS) |
((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
*(AT91C_SPI_CSR + 3) =
AT91C_SPI_CPOL | (AT91C_SPI_DLYBS & DATAFLASH_TCSS) |
(AT91C_SPI_DLYBCT & DATAFLASH_TCHS) |
((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8);
}
void AT91F_SpiEnable(int cs)
{
switch(cs) {
case 0: /* Configure SPI CS0 for Serial DataFlash AT45DBxx */
AT91C_BASE_SPI->SPI_MR &= 0xFFF0FFFF;
AT91C_BASE_SPI->SPI_MR |=
((AT91C_SPI_PCS0_SERIAL_DATAFLASH<<16) &
AT91C_SPI_PCS);
break;
case 3: /* Configure SPI CS3 for Serial DataFlash Card */
/* Set up PIO SDC_TYPE to switch on DataFlash Card */
/* and not MMC/SDCard */
AT91C_BASE_PIOB->PIO_PER =
AT91C_PIO_PB7; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER =
AT91C_PIO_PB7; /* Configure in output */
/* Clear Output */
AT91C_BASE_PIOB->PIO_CODR = AT91C_PIO_PB7;
/* Configure PCS */
AT91C_BASE_SPI->SPI_MR &= 0xFFF0FFFF;
AT91C_BASE_SPI->SPI_MR |=
((AT91C_SPI_PCS3_DATAFLASH_CARD<<16) & AT91C_SPI_PCS);
break;
}
/* SPI_Enable */
AT91C_BASE_SPI->SPI_CR = AT91C_SPI_SPIEN; }
/*---------------------------------------------------------------------------*/
/* \fn AT91F_SpiWrite */
/* \brief Set the PDC registers for a transfert */
/*---------------------------------------------------------------------------*/
unsigned int AT91F_SpiWrite ( AT91PS_DataflashDesc pDesc )
{
unsigned int timeout;
pDesc->state = BUSY;
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
/* Initialize the Transmit and Receive Pointer */
AT91C_BASE_SPI->SPI_RPR = (unsigned int)pDesc->rx_cmd_pt ;
AT91C_BASE_SPI->SPI_TPR = (unsigned int)pDesc->tx_cmd_pt ;
/* Intialize the Transmit and Receive Counters */
AT91C_BASE_SPI->SPI_RCR = pDesc->rx_cmd_size;
AT91C_BASE_SPI->SPI_TCR = pDesc->tx_cmd_size;
if ( pDesc->tx_data_size != 0 ) {
/* Initialize the Next Transmit and Next Receive Pointer */
AT91C_BASE_SPI->SPI_RNPR = (unsigned int)pDesc->rx_data_pt ;
AT91C_BASE_SPI->SPI_TNPR = (unsigned int)pDesc->tx_data_pt ;
/* Intialize the Next Transmit and Next Receive Counters */
AT91C_BASE_SPI->SPI_RNCR = pDesc->rx_data_size ;
AT91C_BASE_SPI->SPI_TNCR = pDesc->tx_data_size ;
}
/* arm simple, non interrupt dependent timer */
reset_timer_masked();
timeout = 0;
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTEN + AT91C_PDC_RXTEN;
while(!(AT91C_BASE_SPI->SPI_SR & AT91C_SPI_RXBUFF) &&
((timeout = get_timer_masked() ) < CFG_SPI_WRITE_TOUT));
AT91C_BASE_SPI->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS;
pDesc->state = IDLE;
if (timeout >= CFG_SPI_WRITE_TOUT){
printf("Error Timeout\n\r");
return DATAFLASH_ERROR;
}
return DATAFLASH_OK;
}
#endif

93
cpu/arm920t/start.S
View File

@ -27,7 +27,9 @@
#include <config.h>
#include <version.h>
#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF)
#include <led.h>
#endif
/*
*************************************************************************
@ -116,6 +118,69 @@ reset:
orr r0,r0,#0xd3
msr cpsr,r0
#if CONFIG_AT91RM9200
#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF)
bl LED_init
bl red_LED_on
#endif
#ifdef CONFIG_BOOTBINFUNC
/* code based on entry.S from ATMEL */
#define AT91C_BASE_CKGR 0xFFFFFC20
#define CKGR_MOR 0
/* Get the CKGR Base Address */
ldr r1, =AT91C_BASE_CKGR
/* Main oscillator Enable register APMC_MOR : Enable main oscillator , OSCOUNT = 0xFF */
/* ldr r0, = AT91C_CKGR_MOSCEN:OR:AT91C_CKGR_OSCOUNT */
ldr r0, =0x0000FF01
str r0, [r1, #CKGR_MOR]
/* Add loop to compensate Main Oscillator startup time */
ldr r0, =0x00000010
LoopOsc:
subs r0, r0, #1
bhi LoopOsc
/* scratch stack */
ldr r1, =0x00204000
/* Insure word alignment */
bic r1, r1, #3
/* Init stack SYS */
mov sp, r1
/*
* This does a lot more than just set up the memory, which
* is why it's called lowlevelinit
*/
bl lowlevelinit /* in memsetup.S */
bl icache_enable;
/* ------------------------------------
* Read/modify/write CP15 control register
* -------------------------------------
* read cp15 control register (cp15 r1) in r0
* ------------------------------------
*/
mrc p15, 0, r0, c1, c0, 0
/* Reset bit :Little Endian end fast bus mode */
ldr r3, =0xC0000080
/* Set bit :Asynchronous clock mode, Not Fast Bus */
ldr r4, =0xC0000000
bic r0, r0, r3
orr r0, r0, r4
/* write r0 in cp15 control register (cp15 r1) */
mcr p15, 0, r0, c1, c0, 0
#endif /* CONFIG_BOOTBINFUNC */
/*
* relocate exeception table
*/
ldr r0, =_start
ldr r1, =0x0
mov r2, #16
copyex:
subs r2, r2, #1
ldr r3, [r0], #4
str r3, [r1], #4
bne copyex
#endif
/* turn off the watchdog */
#if defined(CONFIG_S3C2400)
# define pWTCON 0x15300000
@ -160,6 +225,26 @@ reset:
bl cpu_init_crit
#endif
#ifdef CONFIG_AT91RM9200
#ifdef CONFIG_BOOTBINFUNC
relocate: /* relocate U-Boot to RAM */
adr r0, _start /* r0 <- current position of code */
ldr r1, _TEXT_BASE /* test if we run from flash or RAM */
cmp r0, r1 /* don't reloc during debug */
beq stack_setup
ldr r2, _armboot_start
ldr r3, _bss_start
sub r2, r3, r2 /* r2 <- size of armboot */
add r2, r0, r2 /* r2 <- source end address */
copy_loop:
ldmia r0!, {r3-r10} /* copy from source address [r0] */
stmia r1!, {r3-r10} /* copy to target address [r1] */
cmp r0, r2 /* until source end addreee [r2] */
ble copy_loop
#endif /* CONFIG_BOOTBINFUNC */
#else
#ifndef CONFIG_SKIP_RELOCATE_UBOOT
relocate: /* relocate U-Boot to RAM */
adr r0, _start /* r0 <- current position of code */
@ -178,7 +263,7 @@ copy_loop:
cmp r0, r2 /* until source end addreee [r2] */
ble copy_loop
#endif /* CONFIG_SKIP_RELOCATE_UBOOT */
#endif
/* Set up the stack */
stack_setup:
ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */
@ -262,7 +347,11 @@ cpu_init_crit:
* find a lowlevel_init.S in your board directory.
*/
mov ip, lr
#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF)
#else
bl lowlevel_init
#endif
mov lr, ip
mov pc, lr
#endif /* CONFIG_SKIP_LOWLEVEL_INIT */

2
drivers/Makefile Normal file → Executable file
View File

@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)libdrivers.a
COBJS = 3c589.o 5701rls.o ali512x.o ata_piix.o atmel_usart.o \
COBJS = 3c589.o 5701rls.o ali512x.o at45.o ata_piix.o atmel_usart.o \
bcm570x.o bcm570x_autoneg.o cfb_console.o cfi_flash.o \
cs8900.o ct69000.o dataflash.o dc2114x.o dm9000x.o \
e1000.o eepro100.o enc28j60.o \

569
drivers/at45.c Executable file
View File

@ -0,0 +1,569 @@
/* Driver for ATMEL DataFlash support
* Author : Hamid Ikdoumi (Atmel)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#include <config.h>
#include <common.h>
#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
/*
* spi.c API
*/
extern unsigned int AT91F_SpiWrite (AT91PS_DataflashDesc pDesc);
extern void AT91F_SpiEnable(int cs);
#define AT91C_TIMEOUT_WRDY 200000
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashSendCommand */
/* \brief Generic function to send a command to the dataflash */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashSendCommand(
AT91PS_DataFlash pDataFlash,
unsigned char OpCode,
unsigned int CmdSize,
unsigned int DataflashAddress)
{
unsigned int adr;
if ( (pDataFlash->pDataFlashDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* process the address to obtain page address and byte address */
adr = ((DataflashAddress / (pDataFlash->pDevice->pages_size)) <<
pDataFlash->pDevice->page_offset) + (DataflashAddress %
(pDataFlash->pDevice->pages_size));
/* fill the command buffer */
pDataFlash->pDataFlashDesc->command[0] = OpCode;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[1] =
(unsigned char)((adr & 0x0F000000) >> 24);
pDataFlash->pDataFlashDesc->command[2] =
(unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[3] =
(unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[4] =
(unsigned char)(adr & 0x000000FF);
} else {
pDataFlash->pDataFlashDesc->command[1] =
(unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[2] =
(unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[3] =
(unsigned char)(adr & 0x000000FF);
pDataFlash->pDataFlashDesc->command[4] = 0;
}
pDataFlash->pDataFlashDesc->command[5] = 0;
pDataFlash->pDataFlashDesc->command[6] = 0;
pDataFlash->pDataFlashDesc->command[7] = 0;
/* Initialize the SpiData structure for the spi write fuction */
pDataFlash->pDataFlashDesc->tx_cmd_pt =
pDataFlash->pDataFlashDesc->command;
pDataFlash->pDataFlashDesc->tx_cmd_size = CmdSize;
pDataFlash->pDataFlashDesc->rx_cmd_pt =
pDataFlash->pDataFlashDesc->command;
pDataFlash->pDataFlashDesc->rx_cmd_size = CmdSize;
/* send the command and read the data */
return AT91F_SpiWrite (pDataFlash->pDataFlashDesc); }
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashGetStatus */
/* \brief Read the status register of the dataflash */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashGetStatus(AT91PS_DataflashDesc pDesc)
{
AT91S_DataFlashStatus status;
/* if a transfert is in progress ==> return 0 */
if( (pDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* first send the read status command (D7H) */
pDesc->command[0] = DB_STATUS;
pDesc->command[1] = 0;
pDesc->DataFlash_state = GET_STATUS;
pDesc->tx_data_size = 0; /* Transmit the command */
/* and receive response */
pDesc->tx_cmd_pt = pDesc->command;
pDesc->rx_cmd_pt = pDesc->command;
pDesc->rx_cmd_size = 2;
pDesc->tx_cmd_size = 2;
status = AT91F_SpiWrite (pDesc);
pDesc->DataFlash_state = *( (unsigned char *) (pDesc->rx_cmd_pt) +1);
return status;
}
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashWaitReady */
/* \brief wait for dataflash ready (bit7 of the status register == 1) */
/*----------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWaitReady(AT91PS_DataflashDesc
pDataFlashDesc, unsigned int timeout)
{
pDataFlashDesc->DataFlash_state = IDLE;
do {
AT91F_DataFlashGetStatus(pDataFlashDesc);
timeout--;
} while( ((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) &&
(timeout > 0) );
if((pDataFlashDesc->DataFlash_state & 0x80) != 0x80)
return DATAFLASH_ERROR;
return DATAFLASH_OK;
}
/*--------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashContinuousRead */
/* Object : Continuous stream Read */
/* Input Parameters : DataFlash Service */
/* : <src> = dataflash address */
/* : <*dataBuffer> = data buffer pointer */
/* : <sizeToRead> = data buffer size */
/* Return value : State of the dataflash */
/*--------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashContinuousRead (
AT91PS_DataFlash pDataFlash,
int src,
unsigned char *dataBuffer,
int sizeToRead )
{
AT91S_DataFlashStatus status;
/* Test the size to read in the device */
if ( (src + sizeToRead) >
(pDataFlash->pDevice->pages_size *
(pDataFlash->pDevice->pages_number)))
return DATAFLASH_MEMORY_OVERFLOW;
pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->rx_data_size = sizeToRead;
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->tx_data_size = sizeToRead;
status = AT91F_DataFlashSendCommand
(pDataFlash, DB_CONTINUOUS_ARRAY_READ, 8, src);
/* Send the command to the dataflash */
return(status);
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashPagePgmBuf */
/* Object : Main memory page program thru buffer 1 or buffer 2 */
/* Input Parameters : DataFlash Service */
/* : <*src> = Source buffer */
/* : <dest> = dataflash destination address */
/* : <SizeToWrite> = data buffer size */
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashPagePgmBuf(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int SizeToWrite)
{
int cmdsize;
pDataFlash->pDataFlashDesc->tx_data_pt = src;
pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite;
pDataFlash->pDataFlashDesc->rx_data_pt = src;
pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite;
cmdsize = 4;
/* Send the command to the dataflash */
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_PGM_BUF1,
cmdsize, dest)); }
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_MainMemoryToBufferTransfert */
/* Object : Read a page in the SRAM Buffer 1 or 2 */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_MainMemoryToBufferTransfert(
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int page)
{
int cmdsize;
/* Test if the buffer command is legal */
if ((BufferCommand != DB_PAGE_2_BUF1_TRF)
&& (BufferCommand != DB_PAGE_2_BUF2_TRF))
return DATAFLASH_BAD_COMMAND;
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize,
page*pDataFlash->pDevice->pages_size));
}
/*-------------------------------------------------------------------------- */
/* Function Name : AT91F_DataFlashWriteBuffer */
/* Object : Write data to the internal sram buffer 1 or 2 */
/* Input Parameters : DataFlash Service */
/* : <BufferCommand> = command to write buffer1 or 2 */
/* : <*dataBuffer> = data buffer to write */
/* : <bufferAddress> = address in the internal buffer */
/* : <SizeToWrite> = data buffer size */
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned char *dataBuffer,
unsigned int bufferAddress,
int SizeToWrite )
{
int cmdsize;
/* Test if the buffer command is legal */
if ((BufferCommand != DB_BUF1_WRITE)
&& (BufferCommand != DB_BUF2_WRITE))
return DATAFLASH_BAD_COMMAND;
/* buffer address must be lower than page size */
if (bufferAddress > pDataFlash->pDevice->pages_size)
return DATAFLASH_BAD_ADDRESS;
if ( (pDataFlash->pDataFlashDesc->state) != IDLE)
return DATAFLASH_BUSY;
/* Send first Write Command */
pDataFlash->pDataFlashDesc->command[0] = BufferCommand;
pDataFlash->pDataFlashDesc->command[1] = 0;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[2] = 0;
pDataFlash->pDataFlashDesc->command[3] =
(unsigned char)(((unsigned int)(bufferAddress &
pDataFlash->pDevice->byte_mask)) >> 8);
pDataFlash->pDataFlashDesc->command[4] =
(unsigned char)((unsigned int)bufferAddress & 0x00FF);
cmdsize = 5;
} else {
pDataFlash->pDataFlashDesc->command[2] =
(unsigned char)(((unsigned int)(bufferAddress &
pDataFlash->pDevice->byte_mask)) >> 8);
pDataFlash->pDataFlashDesc->command[3] =
(unsigned char)((unsigned int)bufferAddress & 0x00FF);
pDataFlash->pDataFlashDesc->command[4] = 0;
cmdsize = 4;
}
pDataFlash->pDataFlashDesc->tx_cmd_pt =
pDataFlash->pDataFlashDesc->command;
pDataFlash->pDataFlashDesc->tx_cmd_size = cmdsize;
pDataFlash->pDataFlashDesc->rx_cmd_pt =
pDataFlash->pDataFlashDesc->command;
pDataFlash->pDataFlashDesc->rx_cmd_size = cmdsize;
pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite;
pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite;
return AT91F_SpiWrite(pDataFlash->pDataFlashDesc);
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_PageErase */
/* Object : Erase a page */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_PageErase(
AT91PS_DataFlash pDataFlash,
unsigned int page)
{
int cmdsize;
/* Test if the buffer command is legal */
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_ERASE, cmdsize,
page*pDataFlash->pDevice->pages_size));
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_BlockErase */
/* Object : Erase a Block */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_BlockErase(
AT91PS_DataFlash pDataFlash,
unsigned int block)
{
int cmdsize;
/* Test if the buffer command is legal */
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_BLOCK_ERASE,cmdsize,
block*8*pDataFlash->pDevice->pages_size));
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_WriteBufferToMain */
/* Object : Write buffer to the main memory */
/* Input Parameters : DataFlash Service */
/* : <BufferCommand> = command to send to buffer1 or buffer2 */
/* : <dest> = main memory address */
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_WriteBufferToMain (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int dest )
{
int cmdsize;
/* Test if the buffer command is correct */
if ((BufferCommand != DB_BUF1_PAGE_PGM) &&
(BufferCommand != DB_BUF1_PAGE_ERASE_PGM) &&
(BufferCommand != DB_BUF2_PAGE_PGM) &&
(BufferCommand != DB_BUF2_PAGE_ERASE_PGM) )
return DATAFLASH_BAD_COMMAND;
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
/* Send the command to the dataflash */
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize,
dest)); }
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_PartialPageWrite */
/* Object : Erase partielly a page */
/* Input Parameters : <page> = page number */
/* : <AdrInpage> = adr to begin the fading */
/* : <length> = Number of bytes to erase */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_PartialPageWrite (
AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int size)
{
unsigned int page;
unsigned int AdrInPage;
page = dest / (pDataFlash->pDevice->pages_size);
AdrInPage = dest % (pDataFlash->pDevice->pages_size);
/* Read the contents of the page in the Sram Buffer */
AT91F_MainMemoryToBufferTransfert(pDataFlash,
DB_PAGE_2_BUF1_TRF, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
/*Update the SRAM buffer */
AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src,
AdrInPage, size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
/* Erase page if a 128 Mbits device */
if (pDataFlash->pDevice->pages_number >= 16384) {
AT91F_PageErase(pDataFlash, page);
/* Rewrite the modified Sram Buffer in the main memory */
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
}
/* Rewrite the modified Sram Buffer in the main memory */
return(AT91F_WriteBufferToMain(pDataFlash, DB_BUF1_PAGE_ERASE_PGM,
(page*pDataFlash->pDevice->pages_size)));
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashWrite */
/* Object : */
/* Input Parameters : <*src> = Source buffer */
/* : <dest> = dataflash adress */
/* : <size> = data buffer size */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWrite(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
int dest,
int size )
{
unsigned int length;
unsigned int page;
unsigned int status;
AT91F_SpiEnable(pDataFlash->pDevice->cs);
if ( (dest + size) > (pDataFlash->pDevice->pages_size *
(pDataFlash->pDevice->pages_number)))
return DATAFLASH_MEMORY_OVERFLOW;
/* If destination does not fit a page start address */
if ((dest % ((unsigned int)(pDataFlash->pDevice->pages_size))) != 0 )
{
length = pDataFlash->pDevice->pages_size -
(dest %
((unsigned int)
(pDataFlash->pDevice->pages_size)));
if (size < length)
length = size;
if(!AT91F_PartialPageWrite(pDataFlash,src, dest, length))
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= length;
dest += length;
src += length;
}
while (( size - pDataFlash->pDevice->pages_size ) >= 0 ) {
/* program dataflash page */
page = (unsigned int)dest / (pDataFlash->pDevice->pages_size);
status = AT91F_DataFlashWriteBuffer(pDataFlash,
DB_BUF1_WRITE, src, 0,
pDataFlash->pDevice->pages_size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
status = AT91F_PageErase(pDataFlash, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
if (!status)
return DATAFLASH_ERROR;
status = AT91F_WriteBufferToMain (pDataFlash,
DB_BUF1_PAGE_PGM, dest);
if(!status)
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= pDataFlash->pDevice->pages_size;
dest += pDataFlash->pDevice->pages_size;
src += pDataFlash->pDevice->pages_size;
}
/* If still some bytes to read */
if ( size > 0 ) {
/* program dataflash page */
if(!AT91F_PartialPageWrite(pDataFlash, src, dest, size) )
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
}
return DATAFLASH_OK;
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashRead */
/* Object : Read a block in dataflash */
/* Input Parameters : */
/* Return value : */
/*---------------------------------------------------------------------------*/
int AT91F_DataFlashRead(
AT91PS_DataFlash pDataFlash,
unsigned long addr,
unsigned long size,
char *buffer)
{
unsigned long SizeToRead;
AT91F_SpiEnable(pDataFlash->pDevice->cs);
if(AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
while (size) {
SizeToRead = (size < 0x8000)? size:0x8000;
if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
if (AT91F_DataFlashContinuousRead (pDataFlash, addr,
(uchar *) buffer, SizeToRead) != DATAFLASH_OK)
return -1;
size -= SizeToRead;
addr += SizeToRead;
buffer += SizeToRead;
}
return DATAFLASH_OK;
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_DataflashProbe */
/* Object : */
/* Input Parameters : */
/* Return value : Dataflash status register */
/*---------------------------------------------------------------------------*/
int AT91F_DataflashProbe(int cs, AT91PS_DataflashDesc pDesc) {
AT91F_SpiEnable(cs);
AT91F_DataFlashGetStatus(pDesc);
return((pDesc->command[1] == 0xFF)? 0: pDesc->command[1] & 0x3C);
}
#endif

279
drivers/dataflash.c
View File

@ -26,18 +26,67 @@
AT91S_DATAFLASH_INFO dataflash_info[CFG_MAX_DATAFLASH_BANKS];
static AT91S_DataFlash DataFlashInst;
#ifdef CONFIG_AT91SAM9260EK
int cs[][CFG_MAX_DATAFLASH_BANKS] = {
{CFG_DATAFLASH_LOGIC_ADDR_CS0, 0}, /* Logical adress, CS */
{CFG_DATAFLASH_LOGIC_ADDR_CS1, 1}
};
#elif defined(CONFIG_AT91SAM9263EK)
int cs[][CFG_MAX_DATAFLASH_BANKS] = {
{CFG_DATAFLASH_LOGIC_ADDR_CS0, 0} /* Logical adress, CS */
};
#else
int cs[][CFG_MAX_DATAFLASH_BANKS] = {
{CFG_DATAFLASH_LOGIC_ADDR_CS0, 0}, /* Logical adress, CS */
{CFG_DATAFLASH_LOGIC_ADDR_CS3, 3}
};
#endif
/*define the area offsets*/
#if defined(CONFIG_AT91SAM9261EK) || defined(CONFIG_AT91SAM9260EK) || defined(CONFIG_AT91SAM9263EK)
#if defined(CONFIG_NEW_PARTITION)
dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
{0x00000000, 0x00003FFF, FLAG_PROTECT_SET, 0, "Bootstrap"}, /* ROM code */
{0x00004200, 0x000083FF, FLAG_PROTECT_CLEAR, 0, "Environment"}, /* u-boot environment */
{0x00008400, 0x0003DDFF, FLAG_PROTECT_SET, 0, "U-Boot"}, /* u-boot code */
{0x0003DE00, 0x00041FFF, FLAG_PROTECT_CLEAR, FLAG_SETENV, "MON"}, /* Room for alternative boot monitor */
{0x00042000, 0x0018BFFF, FLAG_PROTECT_CLEAR, FLAG_SETENV, "OS"}, /* data area size to tune */
{0x0018C000, 0xFFFFFFFF, FLAG_PROTECT_CLEAR, FLAG_SETENV, "FS"}, /* data area size to tune */
};
#else
dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
{0, 0x3fff, FLAG_PROTECT_SET}, /* ROM code */
{0x4000, 0x7fff, FLAG_PROTECT_CLEAR}, /* u-boot environment */
{0x8000, 0x37fff, FLAG_PROTECT_SET}, /* u-boot code */
{0x38000, 0x1fffff, FLAG_PROTECT_CLEAR}, /* data area size to tune */
};
#endif
#elif defined(CONFIG_NEW_PARTITION)
/*define the area offsets*/
/* Invalid partitions should be defined with start > end */
dataflash_protect_t area_list[NB_DATAFLASH_AREA*CFG_MAX_DATAFLASH_BANKS] = {
{0x00000000, 0x000083ff, FLAG_PROTECT_SET, 0, "Bootstrap"}, /* ROM code */
{0x00008400, 0x00020fff, FLAG_PROTECT_SET, 0, "U-Boot"}, /* u-boot code */
{0x00021000, 0x000293ff, FLAG_PROTECT_CLEAR, 0, "Environment"}, /* u-boot environment 8Kb */
{0x00029400, 0x00041fff, FLAG_PROTECT_INVALID, 0, "<Unused>"}, /* Rest of Sector 1 */
{0x00042000, 0x0018Bfff, FLAG_PROTECT_CLEAR, FLAG_SETENV, "OS"}, /* data area size to tune */
{0x0018C000, 0xffffffff, FLAG_PROTECT_CLEAR, FLAG_SETENV, "FS"}, /* data area size to tune */
{0x00000000, 0xffffffff, FLAG_PROTECT_CLEAR, FLAG_SETENV, "Data"}, /* data area */
{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */
{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */
{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */
{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */
{0xffffffff, 0x00000000, FLAG_PROTECT_INVALID, 0, "<Invalid>"}, /* Invalid */
};
#else
dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
{0, 0x7fff, FLAG_PROTECT_SET}, /* ROM code */
{0x8000, 0x1ffff, FLAG_PROTECT_SET}, /* u-boot code */
{0x20000, 0x27fff, FLAG_PROTECT_CLEAR}, /* u-boot environment */
{0x28000, 0x1fffff, FLAG_PROTECT_CLEAR}, /* data area size to tune */
};
#endif
extern void AT91F_SpiInit (void);
extern int AT91F_DataflashProbe (int i, AT91PS_DataflashDesc pDesc);
@ -45,22 +94,28 @@ extern int AT91F_DataFlashRead (AT91PS_DataFlash pDataFlash,
unsigned long addr,
unsigned long size, char *buffer);
extern int AT91F_DataFlashWrite( AT91PS_DataFlash pDataFlash,
unsigned char *src,
int dest,
int size );
unsigned char *src,
int dest,
int size );
int AT91F_DataflashInit (void)
{
int i, j;
int dfcode;
int part = 0;
int last_part;
int found[CFG_MAX_DATAFLASH_BANKS];
unsigned char protected;
AT91F_SpiInit ();
for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
found[i] = 0;
dataflash_info[i].Desc.state = IDLE;
dataflash_info[i].id = 0;
dataflash_info[i].Device.pages_number = 0;
dfcode = AT91F_DataflashProbe (cs[i][1], &dataflash_info[i].Desc);
dfcode = AT91F_DataflashProbe (cs[i][1],
&dataflash_info[i].Desc);
switch (dfcode) {
case AT45DB161:
@ -72,6 +127,7 @@ int AT91F_DataflashInit (void)
dataflash_info[i].Desc.DataFlash_state = IDLE;
dataflash_info[i].logical_address = cs[i][0];
dataflash_info[i].id = dfcode;
found[i] += dfcode;;
break;
case AT45DB321:
@ -83,6 +139,7 @@ int AT91F_DataflashInit (void)
dataflash_info[i].Desc.DataFlash_state = IDLE;
dataflash_info[i].logical_address = cs[i][0];
dataflash_info[i].id = dfcode;
found[i] += dfcode;;
break;
case AT45DB642:
@ -94,7 +151,9 @@ int AT91F_DataflashInit (void)
dataflash_info[i].Desc.DataFlash_state = IDLE;
dataflash_info[i].logical_address = cs[i][0];
dataflash_info[i].id = dfcode;
found[i] += dfcode;;
break;
case AT45DB128:
dataflash_info[i].Device.pages_number = 16384;
dataflash_info[i].Device.pages_size = 1056;
@ -104,9 +163,11 @@ int AT91F_DataflashInit (void)
dataflash_info[i].Desc.DataFlash_state = IDLE;
dataflash_info[i].logical_address = cs[i][0];
dataflash_info[i].id = dfcode;
found[i] += dfcode;;
break;
default:
dfcode = 0;
break;
}
/* set the last area end to the dataflash size*/
@ -114,16 +175,64 @@ int AT91F_DataflashInit (void)
(dataflash_info[i].Device.pages_number *
dataflash_info[i].Device.pages_size)-1;
last_part=0;
/* set the area addresses */
for(j = 0; j<NB_DATAFLASH_AREA; j++) {
dataflash_info[i].Device.area_list[j].start = area_list[j].start + dataflash_info[i].logical_address;
dataflash_info[i].Device.area_list[j].end = area_list[j].end + dataflash_info[i].logical_address;
dataflash_info[i].Device.area_list[j].protected = area_list[j].protected;
if(found[i]!=0) {
dataflash_info[i].Device.area_list[j].start =
area_list[part].start +
dataflash_info[i].logical_address;
if(area_list[part].end == 0xffffffff) {
dataflash_info[i].Device.area_list[j].end =
dataflash_info[i].end_address +
dataflash_info [i].logical_address;
last_part = 1;
} else {
dataflash_info[i].Device.area_list[j].end =
area_list[part].end +
dataflash_info[i].logical_address;
}
protected = area_list[part].protected;
/* Set the environment according to the label...*/
if(protected == FLAG_PROTECT_INVALID) {
dataflash_info[i].Device.area_list[j].protected =
FLAG_PROTECT_INVALID;
} else {
dataflash_info[i].Device.area_list[j].protected =
protected;
}
strcpy((char*)(dataflash_info[i].Device.area_list[j].label),
(const char *)area_list[part].label);
}
part++;
}
}
return (1);
return found[0];
}
#ifdef CONFIG_NEW_DF_PARTITION
int AT91F_DataflashSetEnv (void)
{
int i, j;
int part;
unsigned char env;
unsigned char s[32]; /* Will fit a long int in hex */
unsigned long start;
for (i = 0, part= 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
for(j = 0; j<NB_DATAFLASH_AREA; j++) {
env = area_list[part].setenv;
/* Set the environment according to the label...*/
if((env & FLAG_SETENV) == FLAG_SETENV) {
start =
dataflash_info[i].Device.area_list[j].start;
sprintf(s,"%X",start);
setenv(area_list[part].label,s);
}
part++;
}
}
}
#endif
void dataflash_print_info (void)
{
@ -131,25 +240,25 @@ void dataflash_print_info (void)
for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
if (dataflash_info[i].id != 0) {
printf ("DataFlash:");
printf("DataFlash:");
switch (dataflash_info[i].id) {
case AT45DB161:
printf ("AT45DB161\n");
printf("AT45DB161\n");
break;
case AT45DB321:
printf ("AT45DB321\n");
printf("AT45DB321\n");
break;
case AT45DB642:
printf ("AT45DB642\n");
printf("AT45DB642\n");
break;
case AT45DB128:
printf ("AT45DB128\n");
printf("AT45DB128\n");
break;
}
printf ("Nb pages: %6d\n"
printf("Nb pages: %6d\n"
"Page Size: %6d\n"
"Size=%8d bytes\n"
"Logical address: 0x%08X\n",
@ -159,28 +268,44 @@ void dataflash_print_info (void)
dataflash_info[i].Device.pages_size,
(unsigned int) dataflash_info[i].logical_address);
for (j=0; j< NB_DATAFLASH_AREA; j++) {
printf ("Area %i:\t%08lX to %08lX %s\n", j,
dataflash_info[i].Device.area_list[j].start,
dataflash_info[i].Device.area_list[j].end,
(dataflash_info[i].Device.area_list[j].protected ==
FLAG_PROTECT_SET) ? "(RO)" : "");
switch(dataflash_info[i].Device.area_list[j].protected) {
case FLAG_PROTECT_SET:
case FLAG_PROTECT_CLEAR:
printf("Area %i:\t%08lX to %08lX %s", j,
dataflash_info[i].Device.area_list[j].start,
dataflash_info[i].Device.area_list[j].end,
(dataflash_info[i].Device.area_list[j].protected==FLAG_PROTECT_SET) ? "(RO)" : " ");
#ifdef CONFIG_NEW_DF_PARTITION
printf(" %s\n", dataflash_info[i].Device.area_list[j].label);
#else
printf("\n");
#endif
break;
#ifdef CONFIG_NEW_DF_PARTITION
case FLAG_PROTECT_INVALID:
break;
#endif
}
}
}
}
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataflashSelect */
/* Object : Select the correct device */
/*------------------------------------------------------------------------------*/
AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash, unsigned long *addr)
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_DataflashSelect */
/* Object : Select the correct device */
/*---------------------------------------------------------------------------*/
AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash,
unsigned long *addr)
{
char addr_valid = 0;
int i;
for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++)
if ((*addr & 0xFF000000) == dataflash_info[i].logical_address) {
if ( dataflash_info[i].id
&& ((((int) addr) & 0xFF000000) ==
dataflash_info[i].logical_address)) {
addr_valid = 1;
break;
}
@ -194,10 +319,10 @@ AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash, unsigned long *
return (pFlash);
}
/*------------------------------------------------------------------------------*/
/* Function Name : addr_dataflash */
/* Object : Test if address is valid */
/*------------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/* Function Name : addr_dataflash */
/* Object : Test if address is valid */
/*---------------------------------------------------------------------------*/
int addr_dataflash (unsigned long addr)
{
int addr_valid = 0;
@ -213,25 +338,27 @@ int addr_dataflash (unsigned long addr)
return addr_valid;
}
/*-----------------------------------------------------------------------------*/
/* Function Name : size_dataflash */
/* Object : Test if address is valid regarding the size */
/*-----------------------------------------------------------------------------*/
int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size)
/*---------------------------------------------------------------------------*/
/* Function Name : size_dataflash */
/* Object : Test if address is valid regarding the size */
/*---------------------------------------------------------------------------*/
int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr,
unsigned long size)
{
/* is outside the dataflash */
if (((int)addr & 0x0FFFFFFF) > (pdataFlash->pDevice->pages_size *
pdataFlash->pDevice->pages_number)) return 0;
/* is too large for the dataflash */
if (size > ((pdataFlash->pDevice->pages_size *
pdataFlash->pDevice->pages_number) - ((int)addr & 0x0FFFFFFF))) return 0;
pdataFlash->pDevice->pages_number) -
((int)addr & 0x0FFFFFFF))) return 0;
return 1;
}
/*-----------------------------------------------------------------------------*/
/* Function Name : prot_dataflash */
/* Object : Test if destination area is protected */
/*-----------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/* Function Name : prot_dataflash */
/* Object : Test if destination area is protected */
/*---------------------------------------------------------------------------*/
int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr)
{
int area;
@ -241,17 +368,23 @@ int area;
(addr < pdataFlash->pDevice->area_list[area].end))
break;
}
if (area == NB_DATAFLASH_AREA) return -1;
if (area == NB_DATAFLASH_AREA)
return -1;
/*test protection value*/
if (pdataFlash->pDevice->area_list[area].protected == FLAG_PROTECT_SET) return 0;
if (pdataFlash->pDevice->area_list[area].protected == FLAG_PROTECT_SET)
return 0;
if (pdataFlash->pDevice->area_list[area].protected == FLAG_PROTECT_INVALID)
return 0;
return 1;
}
/*-----------------------------------------------------------------------------*/
/* Function Name : dataflash_real_protect */
/* Object : protect/unprotect area */
/*-----------------------------------------------------------------------------*/
int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr)
/*--------------------------------------------------------------------------*/
/* Function Name : dataflash_real_protect */
/* Object : protect/unprotect area */
/*--------------------------------------------------------------------------*/
int dataflash_real_protect (int flag, unsigned long start_addr,
unsigned long end_addr)
{
int i,j, area1, area2, addr_valid = 0;
/* find dataflash */
@ -267,27 +400,38 @@ int i,j, area1, area2, addr_valid = 0;
}
/* find start area */
for (area1=0; area1 < NB_DATAFLASH_AREA; area1++) {
if (start_addr == dataflash_info[i].Device.area_list[area1].start) break;
if (start_addr == dataflash_info[i].Device.area_list[area1].start)
break;
}
if (area1 == NB_DATAFLASH_AREA) return -1;
/* find end area */
for (area2=0; area2 < NB_DATAFLASH_AREA; area2++) {
if (end_addr == dataflash_info[i].Device.area_list[area2].end) break;
if (end_addr == dataflash_info[i].Device.area_list[area2].end)
break;
}
if (area2 == NB_DATAFLASH_AREA) return -1;
if (area2 == NB_DATAFLASH_AREA)
return -1;
/*set protection value*/
for(j = area1; j < area2+1 ; j++)
if (flag == 0) dataflash_info[i].Device.area_list[j].protected = FLAG_PROTECT_CLEAR;
else dataflash_info[i].Device.area_list[j].protected = FLAG_PROTECT_SET;
if(dataflash_info[i].Device.area_list[j].protected
!= FLAG_PROTECT_INVALID) {
if (flag == 0) {
dataflash_info[i].Device.area_list[j].protected
= FLAG_PROTECT_CLEAR;
} else {
dataflash_info[i].Device.area_list[j].protected
= FLAG_PROTECT_SET;
}
}
return (area2-area1+1);
}
/*------------------------------------------------------------------------------*/
/* Function Name : read_dataflash */
/* Object : dataflash memory read */
/*------------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/* Function Name : read_dataflash */
/* Object : dataflash memory read */
/*---------------------------------------------------------------------------*/
int read_dataflash (unsigned long addr, unsigned long size, char *result)
{
unsigned long AddrToRead = addr;
@ -305,12 +449,12 @@ int read_dataflash (unsigned long addr, unsigned long size, char *result)
}
/*-----------------------------------------------------------------------------*/
/* Function Name : write_dataflash */
/* Object : write a block in dataflash */
/*-----------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/* Function Name : write_dataflash */
/* Object : write a block in dataflash */
/*---------------------------------------------------------------------------*/
int write_dataflash (unsigned long addr_dest, unsigned long addr_src,
unsigned long size)
unsigned long size)
{
unsigned long AddrToWrite = addr_dest;
AT91PS_DataFlash pFlash = &DataFlashInst;
@ -329,7 +473,8 @@ int write_dataflash (unsigned long addr_dest, unsigned long addr_src,
if (AddrToWrite == -1)
return -1;
return AT91F_DataFlashWrite (pFlash, (uchar *)addr_src, AddrToWrite, size);
return AT91F_DataFlashWrite (pFlash, (uchar *)addr_src,
AddrToWrite, size);
}
@ -339,22 +484,22 @@ void dataflash_perror (int err)
case ERR_OK:
break;
case ERR_TIMOUT:
printf ("Timeout writing to DataFlash\n");
printf("Timeout writing to DataFlash\n");
break;
case ERR_PROTECTED:
printf ("Can't write to protected DataFlash sectors\n");
printf("Can't write to protected/invalid DataFlash sectors\n");
break;
case ERR_INVAL:
printf ("Outside available DataFlash\n");
printf("Outside available DataFlash\n");
break;
case ERR_UNKNOWN_FLASH_TYPE:
printf ("Unknown Type of DataFlash\n");
printf("Unknown Type of DataFlash\n");
break;
case ERR_PROG_ERROR:
printf ("General DataFlash Programming Error\n");
printf("General DataFlash Programming Error\n");
break;
default:
printf ("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err);
printf("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err);
break;
}
}

139
include/asm-arm/arch-at91rm9200/AT91RM9200.h
View File

@ -27,9 +27,9 @@
typedef volatile unsigned int AT91_REG; /* Hardware register definition */
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Timer Counter Channel Interface */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Timer Counter Channel Interface */
/*****************************************************************************/
typedef struct _AT91S_TC
{
AT91_REG TC_CCR; /* Channel Control Register */
@ -45,24 +45,24 @@ typedef struct _AT91S_TC
AT91_REG TC_IMR; /* Interrupt Mask Register */
} AT91S_TC, *AT91PS_TC;
#define AT91C_TC_TIMER_DIV1_CLOCK ((unsigned int) 0x0 << 0) /* (TC) MCK/2 */
#define AT91C_TC_TIMER_DIV2_CLOCK ((unsigned int) 0x1 << 0) /* (TC) MCK/8 */
#define AT91C_TC_TIMER_DIV3_CLOCK ((unsigned int) 0x2 << 0) /* (TC) MCK/32 */
#define AT91C_TC_TIMER_DIV4_CLOCK ((unsigned int) 0x3 << 0) /* (TC) MCK/128 */
#define AT91C_TC_SLOW_CLOCK ((unsigned int) 0x4 << 0) /* (TC) SLOW CLK */
#define AT91C_TC_XC0_CLOCK ((unsigned int) 0x5 << 0) /* (TC) XC0 */
#define AT91C_TC_XC1_CLOCK ((unsigned int) 0x6 << 0) /* (TC) XC1 */
#define AT91C_TC_XC2_CLOCK ((unsigned int) 0x7 << 0) /* (TC) XC2 */
#define AT91C_TCB_TC0XC0S_NONE ((unsigned int) 0x1) /* (TCB) None signal connected to XC0 */
#define AT91C_TCB_TC1XC1S_NONE ((unsigned int) 0x1 << 2) /* (TCB) None signal connected to XC1 */
#define AT91C_TCB_TC2XC2S_NONE ((unsigned int) 0x1 << 4) /* (TCB) None signal connected to XC2 */
#define AT91C_TC_CLKDIS ((unsigned int) 0x1 << 1) /* (TC) Counter Clock Disable Command */
#define AT91C_TC_SWTRG ((unsigned int) 0x1 << 2) /* (TC) Software Trigger Command */
#define AT91C_TC_CLKEN ((unsigned int) 0x1 << 0) /* (TC) Counter Clock Enable Command */
#define AT91C_TC_TIMER_DIV1_CLOCK ((unsigned int) 0x0 << 0) /* (TC) MCK/2 */
#define AT91C_TC_TIMER_DIV2_CLOCK ((unsigned int) 0x1 << 0) /* (TC) MCK/8 */
#define AT91C_TC_TIMER_DIV3_CLOCK ((unsigned int) 0x2 << 0) /* (TC) MCK/32 */
#define AT91C_TC_TIMER_DIV4_CLOCK ((unsigned int) 0x3 << 0) /* (TC) MCK/128 */
#define AT91C_TC_SLOW_CLOCK ((unsigned int) 0x4 << 0) /* (TC) SLOW CLK*/
#define AT91C_TC_XC0_CLOCK ((unsigned int) 0x5 << 0) /* (TC) XC0 */
#define AT91C_TC_XC1_CLOCK ((unsigned int) 0x6 << 0) /* (TC) XC1 */
#define AT91C_TC_XC2_CLOCK ((unsigned int) 0x7 << 0) /* (TC) XC2 */
#define AT91C_TCB_TC0XC0S_NONE ((unsigned int) 0x1) /* (TCB) None signal connected to XC0 */
#define AT91C_TCB_TC1XC1S_NONE ((unsigned int) 0x1 << 2) /* (TCB) None signal connected to XC1 */
#define AT91C_TCB_TC2XC2S_NONE ((unsigned int) 0x1 << 4) /* (TCB) None signal connected to XC2 */
#define AT91C_TC_CLKDIS ((unsigned int) 0x1 << 1) /* (TC) Counter Clock Disable Command */
#define AT91C_TC_SWTRG ((unsigned int) 0x1 << 2) /* (TC) Software Trigger Command */
#define AT91C_TC_CLKEN ((unsigned int) 0x1 << 0) /* (TC) Counter Clock Enable Command */
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Usart */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Usart */
/*****************************************************************************/
typedef struct _AT91S_USART
{
AT91_REG US_CR; /* Control Register */
@ -94,9 +94,9 @@ typedef struct _AT91S_USART
AT91_REG US_PTSR; /* PDC Transfer Status Register */
} AT91S_USART, *AT91PS_USART;
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Clock Generator Controler */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Clock Generator Controler */
/*****************************************************************************/
typedef struct _AT91S_CKGR
{
AT91_REG CKGR_MOR; /* Main Oscillator Register */
@ -141,9 +141,9 @@ typedef struct _AT91S_CKGR
#define AT91C_CKGR_USB_96M ((unsigned int) 0x1 << 28) /* (CKGR) Divider for USB Ports */
#define AT91C_CKGR_USB_PLL ((unsigned int) 0x1 << 29) /* (CKGR) PLL Use */
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Parallel Input Output Controler */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Parallel Input Output Controler */
/*****************************************************************************/
typedef struct _AT91S_PIO
{
AT91_REG PIO_PER; /* PIO Enable Register */
@ -184,9 +184,9 @@ typedef struct _AT91S_PIO
} AT91S_PIO, *AT91PS_PIO;
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Debug Unit */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Debug Unit */
/*****************************************************************************/
typedef struct _AT91S_DBGU
{
AT91_REG DBGU_CR; /* Control Register */
@ -242,9 +242,9 @@ typedef struct _AT91S_DBGU
#define AT91C_US_PAR_NONE ((unsigned int) 0x4 << 9) /* (DBGU) No Parity */
#define AT91C_US_NBSTOP_1_BIT ((unsigned int) 0x0 << 12) /* (USART) 1 stop bit */
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Static Memory Controller 2 Interface */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Static Memory Controller 2 Interface */
/*****************************************************************************/
typedef struct _AT91S_SMC2
{
AT91_REG SMC2_CSR[8]; /* SMC2 Chip Select Register */
@ -267,9 +267,9 @@ typedef struct _AT91S_SMC2
#define AT91C_SMC2_RWSETUP ((unsigned int) 0x7 << 24) /* (SMC2) Read and Write Signal Setup Time */
#define AT91C_SMC2_RWHOLD ((unsigned int) 0x7 << 29) /* (SMC2) Read and Write Signal Hold Time */
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Power Management Controler */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Power Management Controler */
/*****************************************************************************/
typedef struct _AT91S_PMC
{
AT91_REG PMC_SCER; /* System Clock Enable Register */
@ -341,9 +341,9 @@ typedef struct _AT91S_PMC
/*-------- PMC_SR : (PMC Offset: 0x68) PMC Status Register --------*/
/*-------- PMC_IMR : (PMC Offset: 0x6c) PMC Interrupt Mask Register --------*/
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Ethernet MAC */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Ethernet MAC */
/*****************************************************************************/
typedef struct _AT91S_EMAC
{
AT91_REG EMAC_CTL; /* Network Control Register */
@ -424,11 +424,11 @@ typedef struct _AT91S_EMAC
#define AT91C_EMAC_MDIO ((unsigned int) 0x1 << 1) /* (EMAC) */
#define AT91C_EMAC_IDLE ((unsigned int) 0x1 << 2) /* (EMAC) */
/* -------- EMAC_TCR : (EMAC Offset: 0x10) Transmit Control Register -------- */
/* -------- EMAC_TCR : (EMAC Offset: 0x10) Transmit Control Register ------- */
#define AT91C_EMAC_LEN ((unsigned int) 0x7FF << 0) /* (EMAC) */
#define AT91C_EMAC_NCRC ((unsigned int) 0x1 << 15) /* (EMAC) */
/* -------- EMAC_TSR : (EMAC Offset: 0x14) Transmit Control Register -------- */
/* -------- EMAC_TSR : (EMAC Offset: 0x14) Transmit Control Register ------- */
#define AT91C_EMAC_OVR ((unsigned int) 0x1 << 0) /* (EMAC) */
#define AT91C_EMAC_COL ((unsigned int) 0x1 << 1) /* (EMAC) */
#define AT91C_EMAC_RLE ((unsigned int) 0x1 << 2) /* (EMAC) */
@ -442,7 +442,7 @@ typedef struct _AT91S_EMAC
#define AT91C_EMAC_REC ((unsigned int) 0x1 << 1) /* (EMAC) */
#define AT91C_EMAC_RSR_OVR ((unsigned int) 0x1 << 2) /* (EMAC) */
/* -------- EMAC_ISR : (EMAC Offset: 0x24) Interrupt Status Register -------- */
/* -------- EMAC_ISR : (EMAC Offset: 0x24) Interrupt Status Register ------- */
#define AT91C_EMAC_DONE ((unsigned int) 0x1 << 0) /* (EMAC) */
#define AT91C_EMAC_RCOM ((unsigned int) 0x1 << 1) /* (EMAC) */
#define AT91C_EMAC_RBNA ((unsigned int) 0x1 << 2) /* (EMAC) */
@ -456,8 +456,8 @@ typedef struct _AT91S_EMAC
#define AT91C_EMAC_ROVR ((unsigned int) 0x1 << 10) /* (EMAC) */
#define AT91C_EMAC_HRESP ((unsigned int) 0x1 << 11) /* (EMAC) */
/* -------- EMAC_IER : (EMAC Offset: 0x28) Interrupt Enable Register -------- */
/* -------- EMAC_IDR : (EMAC Offset: 0x2c) Interrupt Disable Register -------- */
/* -------- EMAC_IER : (EMAC Offset: 0x28) Interrupt Enable Register ------- */
/* -------- EMAC_IDR : (EMAC Offset: 0x2c) Interrupt Disable Register ------ */
/* -------- EMAC_IMR : (EMAC Offset: 0x30) Interrupt Mask Register -------- */
/* -------- EMAC_MAN : (EMAC Offset: 0x34) PHY Maintenance Register -------- */
#define AT91C_EMAC_DATA ((unsigned int) 0xFFFF << 0) /* (EMAC) */
@ -471,9 +471,9 @@ typedef struct _AT91S_EMAC
#define AT91C_EMAC_HIGH ((unsigned int) 0x1 << 30) /* (EMAC) */
#define AT91C_EMAC_LOW ((unsigned int) 0x1 << 31) /* (EMAC) */
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Serial Parallel Interface */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Serial Parallel Interface */
/*****************************************************************************/
typedef struct _AT91S_SPI
{
AT91_REG SPI_CR; /* Control Register */
@ -536,7 +536,7 @@ typedef struct _AT91S_SPI
#define AT91C_SPI_SPIENS ((unsigned int) 0x1 << 16) /* (SPI) Enable Status */
/* -------- SPI_IER : (SPI Offset: 0x14) Interrupt Enable Register -------- */
/* -------- SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register -------- */
/* -------- SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register ------- */
/* -------- SPI_IMR : (SPI Offset: 0x1c) Interrupt Mask Register -------- */
/* -------- SPI_CSR : (SPI Offset: 0x30) Chip Select Register -------- */
#define AT91C_SPI_CPOL ((unsigned int) 0x1 << 0) /* (SPI) Clock Polarity */
@ -555,9 +555,9 @@ typedef struct _AT91S_SPI
#define AT91C_SPI_DLYBS ((unsigned int) 0xFF << 16) /* (SPI) Serial Clock Baud Rate */
#define AT91C_SPI_DLYBCT ((unsigned int) 0xFF << 24) /* (SPI) Delay Between Consecutive Transfers */
/******************************************************************************/
/* SOFTWARE API DEFINITION FOR Peripheral Data Controller */
/******************************************************************************/
/*****************************************************************************/
/* SOFTWARE API DEFINITION FOR Peripheral Data Controller */
/*****************************************************************************/
typedef struct _AT91S_PDC
{
AT91_REG PDC_RPR; /* Receive Pointer Register */
@ -692,11 +692,15 @@ typedef struct _AT91S_PDC
#define AT91C_PIO_PA7 ((unsigned int) 1 << 7) /* Pin Controlled by PA7 */
#define AT91C_PA7_ETXCK_EREFCK ((unsigned int) AT91C_PIO_PA7) /* Ethernet MAC Transmit Clock/Reference Clock */
#define AT91C_PIO_PB0 ((unsigned int) 1 << 0) /* Pin Controlled by PB3 */
#define AT91C_PIO_PB1 ((unsigned int) 1 << 1) /* Pin Controlled by PB3 */
#define AT91C_PIO_PB2 ((unsigned int) 1 << 2) /* Pin Controlled by PB3 */
#define AT91C_PIO_PB3 ((unsigned int) 1 << 3) /* Pin Controlled by PB3 */
#define AT91C_PIO_PB4 ((unsigned int) 1 << 4) /* Pin Controlled by PB4 */
#define AT91C_PIO_PB5 ((unsigned int) 1 << 5) /* Pin Controlled by PB5 */
#define AT91C_PIO_PB6 ((unsigned int) 1 << 6) /* Pin Controlled by PB6 */
#define AT91C_PIO_PB7 ((unsigned int) 1 << 7) /* Pin Controlled by PB7 */
#define AT91C_PIO_PB22 ((unsigned int) 1 << 22) /* Pin Controlled by PB22 */
#define AT91C_PIO_PB25 ((unsigned int) 1 << 25) /* Pin Controlled by PB25 */
#define AT91C_PB25_DSR1 ((unsigned int) AT91C_PIO_PB25) /* USART 1 Data Set ready */
#define AT91C_PB25_EF100 ((unsigned int) AT91C_PIO_PB25) /* Ethernet MAC Force 100 Mbits */
@ -737,19 +741,36 @@ typedef struct _AT91S_PDC
#define AT91C_PIOC_CODR ((AT91_REG *) 0xFFFFF834) /* (PIOC) Clear Output Data Register */
#define AT91C_PIOC_PDSR ((AT91_REG *) 0xFFFFF83C) /* (PIOC) Pin Data Status Register */
#define AT91C_BASE_SPI ((AT91PS_SPI) 0xFFFE0000) /* (SPI) Base Address */
#define AT91C_BASE_EMAC ((AT91PS_EMAC) 0xFFFBC000) /* (EMAC) Base Address */
#define AT91C_BASE_PMC ((AT91PS_PMC) 0xFFFFFC00) /* (PMC) Base Address */
#define AT91C_BASE_TC0 ((AT91PS_TC) 0xFFFA0000) /* (TC0) Base Address */
#define AT91C_BASE_AIC ((AT91PS_AIC) 0xFFFFF000) /* (AIC) Base Address */
#define AT91C_BASE_DBGU ((AT91PS_DBGU) 0xFFFFF200) /* (DBGU) Base Address */
#define AT91C_BASE_CKGR ((AT91PS_CKGR) 0xFFFFFC20) /* (CKGR) Base Address */
#define AT91C_BASE_PIOC ((AT91PS_PIO) 0xFFFFF800) /* (PIOC) Base Address */
#define AT91C_BASE_PIOB ((AT91PS_PIO) 0xFFFFF600) /* (PIOB) Base Address */
#define AT91C_BASE_PIOA ((AT91PS_PIO) 0xFFFFF400) /* (PIOA) Base Address */
#define AT91C_EBI_CSA ((AT91_REG *) 0xFFFFFF60) /* (EBI) Chip Select Assignment Register */
#define AT91C_BASE_SMC2 ((AT91PS_SMC2) 0xFFFFFF70) /* (SMC2) Base Address */
#define AT91C_BASE_PIOB ((AT91PS_PIO) 0xFFFFF600) /* (PIOB) Base Address */
#define AT91C_BASE_PIOC ((AT91PS_PIO) 0xFFFFF800) /* (PIOC) Base Address */
#define AT91C_BASE_PIOD ((AT91PS_PIO) 0xFFFFFA00) /* (PIOC) Base Address */
#define AT91C_BASE_PMC ((AT91PS_PMC) 0xFFFFFC00) /* (PMC) Base Address */
#if 0
#define AT91C_BASE_ST ((AT91PS_ST) 0xFFFFFD00) /* (PMC) Base Address */
#define AT91C_BASE_RTC ((AT91PS_RTC) 0xFFFFFE00) /* (PMC) Base Address */
#define AT91C_BASE_MC ((AT91PS_MC) 0xFFFFFF00) /* (PMC) Base Address */
#endif
#define AT91C_BASE_TC0 ((AT91PS_TC) 0xFFFA0000) /* (TC0) Base Address */
#define AT91C_BASE_TC1 ((AT91PS_TC) 0xFFFA4000) /* (TC0) Base Address */
#if 0
#define AT91C_BASE_UDP ((AT91PS_UDP) 0xFFFB0000) /* (TC0) Base Address */
#define AT91C_BASE_MCI ((AT91PS_MCI) 0xFFFB4000) /* (TC0) Base Address */
#define AT91C_BASE_TWI ((AT91PS_TWI) 0xFFFB8000) /* (TC0) Base Address */
#endif
#define AT91C_BASE_EMAC ((AT91PS_EMAC) 0xFFFBC000) /* (EMAC) Base Address */
#define AT91C_BASE_US0 ((AT91PS_USART) 0xFFFC0000) /* (US0) Base Address */
#define AT91C_BASE_US1 ((AT91PS_USART) 0xFFFC4000) /* (US1) Base Address */
#define AT91C_BASE_US2 ((AT91PS_USART) 0xFFFC8000) /* (US1) Base Address */
#define AT91C_BASE_US3 ((AT91PS_USART) 0xFFFCC000) /* (US1) Base Address */
#define AT91C_BASE_SPI ((AT91PS_SPI) 0xFFFE0000) /* (SPI) Base Address */
#define AT91C_BASE_CKGR ((AT91PS_CKGR) 0xFFFFFC20) /* (CKGR) Base Address */
#define AT91C_EBI_CSA ((AT91_REG *) 0xFFFFFF60) /* (EBI) Chip Select Assignment Register */
#define AT91C_BASE_SMC2 ((AT91PS_SMC2) 0xFFFFFF70) /* (SMC2) Base Address */
#define AT91C_TCB0_BMR ((AT91_REG *) 0xFFFA00C4) /* (TCB0) TC Block Mode Register */
#define AT91C_TCB0_BCR ((AT91_REG *) 0xFFFA00C0) /* (TCB0) TC Block Control Register */
#define AT91C_PIOC_PDR ((AT91_REG *) 0xFFFFF804) /* (PIOC) PIO Disable Register */

69
include/asm-arm/mach-types.h
View File

@ -736,7 +736,11 @@ extern unsigned int __machine_arch_type;
#define MACH_TYPE_LN2410SBC 725
#define MACH_TYPE_CB3RUFC 726
#define MACH_TYPE_MP2USB 727
#define MACH_TYPE_AT91SAM9261EK 848
#define MACH_TYPE_PDNB3 1002
#define MACH_TYPE_AT91SAM9260EK 1099
#define MACH_TYPE_AT91RM9200DF 1119
#define MACH_TYPE_AT91SAM9263EK 1202
#ifdef CONFIG_ARCH_EBSA110
# ifdef machine_arch_type
@ -9402,6 +9406,71 @@ extern unsigned int __machine_arch_type;
# define machine_is_mp2usb() (0)
#endif
#ifdef CONFIG_MACH_AT91SAM9261EK
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_AT91SAM9261EK
# endif
# define machine_is_at91sam9261ek() \
(machine_arch_type == MACH_TYPE_AT91SAM9261EK)
#else
# define machine_is_at91sam9261ek() (0)
#endif
#ifdef CONFIG_MACH_AT91SAM9260EK
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_AT91SAM9260EK
# endif
# define machine_is_at91sam9260ek() \
(machine_arch_type == MACH_TYPE_AT91SAM9260EK)
#else
# define machine_is_at91sam9260ek() (0)
#endif
#ifdef CONFIG_MACH_AT91SAM9263EK
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_AT91SAM9263EK
# endif
# define machine_is_at91sam9263ek() \
(machine_arch_type == MACH_TYPE_AT91SAM9263EK)
#else
# define machine_is_at91sam9263ek() (0)
#endif
#ifdef CONFIG_MACH_AT91RM9200DF
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_AT91RM9200DF
# endif
# define machine_is_at91rm9200df() \
(machine_arch_type == MACH_TYPE_AT91RM9200DF)
#else
# define machine_is_at91rm9200df() (0)
#endif
#ifdef CONFIG_MACH_AT91SAM9263EK
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_AT91SAM9263EK
# endif
# define machine_is_at91sam9263ek() \
(machine_arch_type == MACH_TYPE_AT91SAM9263EK)
#else
# define machine_is_at91sam9263ek() (0)
#endif
/*
* These have not yet been registered
*/

69
include/at45.h Normal file
View File

@ -0,0 +1,69 @@
#ifndef _AT45_H_
#define _AT45_H_
#ifdef DATAFLASH_MMC_SELECT
extern void AT91F_SelectMMC(void);
extern void AT91F_SelectSPI(void);
extern int AT91F_GetMuxStatus(void);
#endif
extern void AT91F_SpiInit(void);
extern void AT91F_SpiEnable(int cs);
extern unsigned int AT91F_SpiWrite ( AT91PS_DataflashDesc pDesc );
extern AT91S_DataFlashStatus AT91F_DataFlashSendCommand(
AT91PS_DataFlash pDataFlash,
unsigned char OpCode,
unsigned int CmdSize,
unsigned int DataflashAddress);
extern AT91S_DataFlashStatus AT91F_DataFlashGetStatus (
AT91PS_DataflashDesc pDesc);
extern AT91S_DataFlashStatus AT91F_DataFlashWaitReady (
AT91PS_DataflashDesc pDataFlashDesc,
unsigned int timeout);
extern AT91S_DataFlashStatus AT91F_DataFlashContinuousRead (
AT91PS_DataFlash pDataFlash,
int src,
unsigned char *dataBuffer,
int sizeToRead );
extern AT91S_DataFlashStatus AT91F_DataFlashPagePgmBuf(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int SizeToWrite);
extern AT91S_DataFlashStatus AT91F_MainMemoryToBufferTransfert(
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int page);
extern AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned char *dataBuffer,
unsigned int bufferAddress,
int SizeToWrite );
extern AT91S_DataFlashStatus AT91F_PageErase(
AT91PS_DataFlash pDataFlash,
unsigned int page);
extern AT91S_DataFlashStatus AT91F_BlockErase(
AT91PS_DataFlash pDataFlash,
unsigned int block);
extern AT91S_DataFlashStatus AT91F_WriteBufferToMain (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int dest );
extern AT91S_DataFlashStatus AT91F_PartialPageWrite (
AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int size);
extern AT91S_DataFlashStatus AT91F_DataFlashWrite(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
int dest,
int size );
extern int AT91F_DataFlashRead(
AT91PS_DataFlash pDataFlash,
unsigned long addr,
unsigned long size,
char *buffer);
extern int AT91F_DataflashProbe(int cs, AT91PS_DataflashDesc pDesc);
#endif

1
include/config_cmd_all.h
View File

@ -76,5 +76,6 @@
#define CONFIG_CMD_USB /* USB Support */
#define CONFIG_CMD_VFD /* VFD support (TRAB) */
#define CONFIG_CMD_XIMG /* Load part of Multi Image */
#define CONFIG_CMD_MUX /* AT91 MMC/SPI Mux Support */
#endif /* _CONFIG_CMD_ALL_H */

5
include/configs/at91rm9200dk.h
View File

@ -163,6 +163,11 @@
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_AT91C_USE_RMII
/* AC Characteristics */
/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
#define DATAFLASH_TCSS (0xC << 16)
#define DATAFLASH_TCHS (0x1 << 24)
#define CONFIG_HAS_DATAFLASH 1
#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
#define CFG_MAX_DATAFLASH_BANKS 2

43
include/dataflash.h
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@ -38,13 +38,47 @@
#include "config.h"
/*number of protected area*/
#define NB_DATAFLASH_AREA 4
#ifdef CONFIG_NEW_PARTITION
# define NB_DATAFLASH_AREA 6
#else
# define NB_DATAFLASH_AREA 4
#endif
#ifdef CFG_NO_FLASH
/*-----------------------------------------------------------------------
* return codes from flash_write():
*/
# define ERR_OK 0
# define ERR_TIMOUT 1
# define ERR_NOT_ERASED 2
# define ERR_PROTECTED 4
# define ERR_INVAL 8
# define ERR_ALIGN 16
# define ERR_UNKNOWN_FLASH_VENDOR 32
# define ERR_UNKNOWN_FLASH_TYPE 64
# define ERR_PROG_ERROR 128
/*-----------------------------------------------------------------------
* Protection Flags for flash_protect():
*/
# define FLAG_PROTECT_SET 0x01
# define FLAG_PROTECT_CLEAR 0x02
# define FLAG_PROTECT_INVALID 0x03
/*-----------------------------------------------------------------------
* Set Environment according to label:
*/
# define FLAG_SETENV 0x80
#endif /* CFG_NO_FLASH */
/*define the area structure*/
typedef struct {
unsigned long start;
unsigned long end;
unsigned char protected;
unsigned char setenv;
unsigned char label[20];
} dataflash_protect_t;
typedef unsigned int AT91S_DataFlashStatus;
@ -96,6 +130,7 @@ typedef struct _AT91S_DATAFLASH_INFO {
AT91S_DataflashDesc Desc;
AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */
unsigned long logical_address;
unsigned long end_address;
unsigned int id; /* device id */
} AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;
@ -106,6 +141,7 @@ typedef struct _AT91S_DATAFLASH_INFO {
#define AT45DB321 0x34
#define AT45DB642 0x3c
#define AT45DB128 0x10
#define PAGES_PER_BLOCK 8
#define AT91C_DATAFLASH_TIMEOUT 10000 /* For AT91F_DataFlashWaitReady */
@ -168,6 +204,7 @@ typedef struct _AT91S_DATAFLASH_INFO {
extern int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size);
extern int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr);
extern int addr2ram(ulong addr);
extern int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr);
extern int addr_dataflash (unsigned long addr);
extern int read_dataflash (unsigned long addr, unsigned long size, char *result);
@ -175,4 +212,8 @@ extern int write_dataflash (unsigned long addr, unsigned long dest, unsigned lon
extern void dataflash_print_info (void);
extern void dataflash_perror (int err);
#ifdef CONFIG_NEW_DF_PARTITION
extern int AT91F_DataflashSetEnv (void); #endif
#endif
#endif

4
include/dm9161.h
View File

@ -43,9 +43,9 @@
#define DM9161_COLLISION_TEST (1 << 7)
/*--Bit definitions: DM9161_BMSR */
#define DM9161_100BASE_T4 (1 << 15)
#define DM9161_100BASE_TX (1 << 15)
#define DM9161_100BASE_TX_FD (1 << 14)
#define DM9161_100BASE_T4_HD (1 << 13)
#define DM9161_100BASE_TX_HD (1 << 13)
#define DM9161_10BASE_T_FD (1 << 12)
#define DM9161_10BASE_T_HD (1 << 11)
#define DM9161_MF_PREAMB_SUPPR (1 << 6)

5
include/flash.h
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@ -119,6 +119,11 @@ extern void flash_read_factory_serial(flash_info_t * info, void * buffer, int of
*/
#define FLAG_PROTECT_SET 0x01
#define FLAG_PROTECT_CLEAR 0x02
#define FLAG_PROTECT_INVALID 0x03
/*-----------------------------------------------------------------------
* Set Environment according to label:
*/
#define FLAG_SETENV 0x80
/*-----------------------------------------------------------------------
* Device IDs

46
include/led.h Normal file
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@ -0,0 +1,46 @@
/*
* (C) Copyright 2006
* Atmel Nordic AB <www.atmel.com>
* Ulf Samuelsson <ulf@atmel.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __LED_H
#define __LED_H
#ifndef __ASSEMBLY__
extern void LED_init (void);
extern void red_LED_on(void);
extern void red_LED_off(void);
extern void green_LED_on(void);
extern void green_LED_off(void);
extern void yellow_LED_on(void);
extern void yellow_LED_off(void);
#else
.extern LED_init
.extern red_LED_on
.extern red_LED_off
.extern yellow_LED_on
.extern yellow_LED_off
.extern green_LED_on
.extern green_LED_off
#endif
#endif