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Merge branch 'master' of git://www.denx.de/git/u-boot-arm

This commit is contained in:
Wolfgang Denk 2007-10-13 18:48:23 +02:00
parent e1893815b0 e81a95a9e7
commit 2885634d64
7 changed files with 222 additions and 314 deletions
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2
board/at91rm9200dk/led.c
View File

@ -66,7 +66,7 @@ void red_LED_off(void)
}
void LED_init (void)
void coloured_LED_init (void)
{
AT91PS_PIO PIOB = AT91C_BASE_PIOB;
AT91PS_PMC PMC = AT91C_BASE_PMC;

128
cpu/arm920t/start.S
View File

@ -27,9 +27,7 @@
#include <config.h>
#include <version.h>
#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF)
#include <led.h>
#endif
#include <status_led.h>
/*
*************************************************************************
@ -41,7 +39,7 @@
.globl _start
_start: b reset
_start: b start_code
ldr pc, _undefined_instruction
ldr pc, _software_interrupt
ldr pc, _prefetch_abort
@ -64,7 +62,7 @@ _fiq: .word fiq
/*
*************************************************************************
*
* Startup Code (reset vector)
* Startup Code (called from the ARM reset exception vector)
*
* do important init only if we don't start from memory!
* relocate armboot to ram
@ -106,10 +104,10 @@ FIQ_STACK_START:
/*
* the actual reset code
* the actual start code
*/
reset:
start_code:
/*
* set the cpu to SVC32 mode
*/
@ -118,58 +116,12 @@ 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 coloured_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
#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF)
/*
* 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
* relocate exception table
*/
ldr r0, =_start
ldr r1, =0x0
@ -181,19 +133,20 @@ copyex:
bne copyex
#endif
/* turn off the watchdog */
#if defined(CONFIG_S3C2400)
# define pWTCON 0x15300000
# define INTMSK 0x14400008 /* Interupt-Controller base addresses */
# define CLKDIVN 0x14800014 /* clock divisor register */
#elif defined(CONFIG_S3C2410)
# define pWTCON 0x53000000
# define INTMSK 0x4A000008 /* Interupt-Controller base addresses */
# define INTSUBMSK 0x4A00001C
# define CLKDIVN 0x4C000014 /* clock divisor register */
#endif
#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410)
/* turn off the watchdog */
# if defined(CONFIG_S3C2400)
# define pWTCON 0x15300000
# define INTMSK 0x14400008 /* Interupt-Controller base addresses */
# define CLKDIVN 0x14800014 /* clock divisor register */
#else
# define pWTCON 0x53000000
# define INTMSK 0x4A000008 /* Interupt-Controller base addresses */
# define INTSUBMSK 0x4A00001C
# define CLKDIVN 0x4C000014 /* clock divisor register */
# endif
ldr r0, =pWTCON
mov r1, #0x0
str r1, [r0]
@ -226,25 +179,7 @@ copyex:
#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 */
@ -284,27 +219,6 @@ clbss_l:str r2, [r0] /* clear loop... */
cmp r0, r1
ble clbss_l
#if 0
/* try doing this stuff after the relocation */
ldr r0, =pWTCON
mov r1, #0x0
str r1, [r0]
/*
* mask all IRQs by setting all bits in the INTMR - default
*/
mov r1, #0xffffffff
ldr r0, =INTMR
str r1, [r0]
/* FCLK:HCLK:PCLK = 1:2:4 */
/* default FCLK is 120 MHz ! */
ldr r0, =CLKDIVN
mov r1, #3
str r1, [r0]
/* END stuff after relocation */
#endif
ldr pc, _start_armboot
_start_armboot: .word start_armboot

314
drivers/at45.c Executable file → Normal file
View File

@ -27,33 +27,31 @@
/*
* spi.c API
*/
extern unsigned int AT91F_SpiWrite (AT91PS_DataflashDesc pDesc);
extern void AT91F_SpiEnable(int cs);
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)
AT91S_DataFlashStatus AT91F_DataFlashSendCommand(AT91PS_DataFlash pDataFlash,
unsigned char OpCode,
unsigned int CmdSize,
unsigned int DataflashAddress)
{
unsigned int adr;
if ( (pDataFlash->pDataFlashDesc->state) != IDLE)
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));
pDataFlash->pDevice->page_offset) +
(DataflashAddress % (pDataFlash->pDevice->pages_size));
/* fill the command buffer */
/* fill the command buffer */
pDataFlash->pDataFlashDesc->command[0] = OpCode;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[1] =
@ -78,16 +76,16 @@ AT91S_DataFlashStatus AT91F_DataFlashSendCommand(
pDataFlash->pDataFlashDesc->command[7] = 0;
/* Initialize the SpiData structure for the spi write fuction */
pDataFlash->pDataFlashDesc->tx_cmd_pt =
pDataFlash->pDataFlashDesc->tx_cmd_pt =
pDataFlash->pDataFlashDesc->command;
pDataFlash->pDataFlashDesc->tx_cmd_size = CmdSize;
pDataFlash->pDataFlashDesc->rx_cmd_pt =
pDataFlash->pDataFlashDesc->tx_cmd_size = CmdSize;
pDataFlash->pDataFlashDesc->rx_cmd_pt =
pDataFlash->pDataFlashDesc->command;
pDataFlash->pDataFlashDesc->rx_cmd_size = CmdSize;
pDataFlash->pDataFlashDesc->rx_cmd_size = CmdSize;
/* send the command and read the data */
return AT91F_SpiWrite (pDataFlash->pDataFlashDesc); }
return AT91F_SpiWrite(pDataFlash->pDataFlashDesc);
}
/*----------------------------------------------------------------------*/
/* \fn AT91F_DataFlashGetStatus */
@ -98,50 +96,49 @@ AT91S_DataFlashStatus AT91F_DataFlashGetStatus(AT91PS_DataflashDesc pDesc)
AT91S_DataFlashStatus status;
/* if a transfert is in progress ==> return 0 */
if( (pDesc->state) != IDLE)
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 = 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);
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,
unsigned int timeout)
{
pDataFlashDesc->DataFlash_state = IDLE;
do {
AT91F_DataFlashGetStatus(pDataFlashDesc);
timeout--;
} while( ((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) &&
(timeout > 0) );
} while (((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) &&
(timeout > 0));
if((pDataFlashDesc->DataFlash_state & 0x80) != 0x80)
if ((pDataFlashDesc->DataFlash_state & 0x80) != 0x80)
return DATAFLASH_ERROR;
return DATAFLASH_OK;
}
/*--------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashContinuousRead */
/* Object : Continuous stream Read */
@ -151,17 +148,17 @@ pDataFlashDesc, unsigned int timeout)
/* : <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 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)))
if ((src + sizeToRead) >
(pDataFlash->pDevice->pages_size *
(pDataFlash->pDevice->pages_number)))
return DATAFLASH_MEMORY_OVERFLOW;
pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer;
@ -169,13 +166,12 @@ AT91S_DataFlashStatus AT91F_DataFlashContinuousRead (
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->tx_data_size = sizeToRead;
status = AT91F_DataFlashSendCommand
(pDataFlash, DB_CONTINUOUS_ARRAY_READ, 8, src);
status = AT91F_DataFlashSendCommand(
pDataFlash, DB_CONTINUOUS_ARRAY_READ, 8, src);
/* Send the command to the dataflash */
return(status);
return (status);
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashPagePgmBuf */
/* Object : Main memory page program thru buffer 1 or buffer 2 */
@ -185,11 +181,10 @@ AT91S_DataFlashStatus AT91F_DataFlashContinuousRead (
/* : <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)
AT91S_DataFlashStatus AT91F_DataFlashPagePgmBuf(AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int SizeToWrite)
{
int cmdsize;
pDataFlash->pDataFlashDesc->tx_data_pt = src;
@ -201,9 +196,9 @@ AT91S_DataFlashStatus AT91F_DataFlashPagePgmBuf(
/* Send the command to the dataflash */
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_PGM_BUF1,
cmdsize, dest)); }
return (AT91F_DataFlashSendCommand(
pDataFlash, DB_PAGE_PGM_BUF1, cmdsize, dest));
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_MainMemoryToBufferTransfert */
@ -214,14 +209,16 @@ cmdsize, dest)); }
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_MainMemoryToBufferTransfert(
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int page)
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))
if ((BufferCommand != DB_PAGE_2_BUF1_TRF)&&
(BufferCommand != DB_PAGE_2_BUF2_TRF))
return DATAFLASH_BAD_COMMAND;
/* no data to transmit or receive */
@ -229,11 +226,11 @@ AT91S_DataFlashStatus AT91F_MainMemoryToBufferTransfert(
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize,
page*pDataFlash->pDevice->pages_size));
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 */
@ -244,58 +241,60 @@ page*pDataFlash->pDevice->pages_size));
/* : <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 )
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))
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)
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] =
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);
pDataFlash->pDevice->
byte_mask)) >> 8);
pDataFlash->pDataFlashDesc->command[4] =
(unsigned char)((unsigned int)bufferAddress & 0x00FF);
cmdsize = 5;
} else {
pDataFlash->pDataFlashDesc->command[2] =
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;
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->tx_cmd_pt =
pDataFlash->pDataFlashDesc->command;
pDataFlash->pDataFlashDesc->tx_cmd_size = cmdsize;
pDataFlash->pDataFlashDesc->rx_cmd_pt =
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;
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);
}
@ -309,22 +308,22 @@ AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer (
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_PageErase(
AT91PS_DataFlash pDataFlash,
unsigned int page)
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;
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));
return (AT91F_DataFlashSendCommand(pDataFlash,
DB_PAGE_ERASE, cmdsize,
page * pDataFlash->pDevice->pages_size));
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_BlockErase */
/* Object : Erase a Block */
@ -334,18 +333,19 @@ page*pDataFlash->pDevice->pages_size));
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_BlockErase(
AT91PS_DataFlash pDataFlash,
unsigned int block)
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;
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));
return (AT91F_DataFlashSendCommand(pDataFlash, DB_BLOCK_ERASE, cmdsize,
block * 8 *
pDataFlash->pDevice->pages_size));
}
/*---------------------------------------------------------------------------*/
@ -356,17 +356,16 @@ block*8*pDataFlash->pDevice->pages_size));
/* : <dest> = main memory address */
/* Return value : State of the dataflash */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_WriteBufferToMain (
AT91PS_DataFlash pDataFlash,
unsigned char BufferCommand,
unsigned int dest )
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) )
(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 */
@ -376,9 +375,9 @@ AT91S_DataFlashStatus AT91F_WriteBufferToMain (
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
/* Send the command to the dataflash */
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize,
dest)); }
return (AT91F_DataFlashSendCommand(pDataFlash, BufferCommand,
cmdsize, dest));
}
/*---------------------------------------------------------------------------*/
/* Function Name : AT91F_PartialPageWrite */
@ -387,11 +386,10 @@ AT91S_DataFlashStatus AT91F_WriteBufferToMain (
/* : <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)
AT91S_DataFlashStatus AT91F_PartialPageWrite(AT91PS_DataFlash pDataFlash,
unsigned char *src,
unsigned int dest,
unsigned int size)
{
unsigned int page;
unsigned int AdrInPage;
@ -400,10 +398,9 @@ AT91S_DataFlashStatus AT91F_PartialPageWrite (
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_MainMemoryToBufferTransfert(pDataFlash, DB_PAGE_2_BUF1_TRF, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
AT91C_TIMEOUT_WRDY);
/*Update the SRAM buffer */
AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src,
AdrInPage, size);
@ -416,12 +413,13 @@ AT91S_DataFlashStatus AT91F_PartialPageWrite (
AT91F_PageErase(pDataFlash, page);
/* Rewrite the modified Sram Buffer in the main memory */
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
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)));
return (AT91F_WriteBufferToMain(pDataFlash, DB_BUF1_PAGE_ERASE_PGM,
(page *
pDataFlash->pDevice->pages_size)));
}
/*---------------------------------------------------------------------------*/
@ -431,11 +429,9 @@ AT91S_DataFlashStatus AT91F_PartialPageWrite (
/* : <dest> = dataflash adress */
/* : <size> = data buffer size */
/*---------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_DataFlashWrite(
AT91PS_DataFlash pDataFlash,
unsigned char *src,
int dest,
int size )
AT91S_DataFlashStatus AT91F_DataFlashWrite(AT91PS_DataFlash pDataFlash,
unsigned char *src,
int dest, int size)
{
unsigned int length;
unsigned int page;
@ -443,26 +439,24 @@ AT91S_DataFlashStatus AT91F_DataFlashWrite(
AT91F_SpiEnable(pDataFlash->pDevice->cs);
if ( (dest + size) > (pDataFlash->pDevice->pages_size *
(pDataFlash->pDevice->pages_number)))
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 ((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))
if (!AT91F_PartialPageWrite(pDataFlash, src, dest, length))
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= length;
@ -470,78 +464,77 @@ AT91S_DataFlashStatus AT91F_DataFlashWrite(
src += length;
}
while (( size - pDataFlash->pDevice->pages_size ) >= 0 ) {
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);
DB_BUF1_WRITE, src, 0,
pDataFlash->pDevice->
pages_size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
AT91C_TIMEOUT_WRDY);
status = AT91F_PageErase(pDataFlash, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
AT91C_TIMEOUT_WRDY);
if (!status)
return DATAFLASH_ERROR;
status = AT91F_WriteBufferToMain (pDataFlash,
DB_BUF1_PAGE_PGM, dest);
if(!status)
status = AT91F_WriteBufferToMain(pDataFlash,
DB_BUF1_PAGE_PGM, dest);
if (!status)
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= pDataFlash->pDevice->pages_size;
dest += pDataFlash->pDevice->pages_size;
src += pDataFlash->pDevice->pages_size;
src += pDataFlash->pDevice->pages_size;
}
/* If still some bytes to read */
if ( size > 0 ) {
if (size > 0) {
/* program dataflash page */
if(!AT91F_PartialPageWrite(pDataFlash, src, dest, size) )
if (!AT91F_PartialPageWrite(pDataFlash, src, dest, size))
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY);
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)
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,
if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
while (size) {
SizeToRead = (size < 0x8000)? size:0x8000;
SizeToRead = (size < 0x8000) ? size : 0x8000;
if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc,
AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
AT91C_TIMEOUT_WRDY) !=
DATAFLASH_OK)
return -1;
if (AT91F_DataFlashContinuousRead (pDataFlash, addr,
(uchar *) buffer, SizeToRead) != DATAFLASH_OK)
if (AT91F_DataFlashContinuousRead(pDataFlash, addr,
(uchar *) buffer,
SizeToRead) != DATAFLASH_OK)
return -1;
size -= SizeToRead;
@ -558,9 +551,10 @@ int AT91F_DataFlashRead(
/* Input Parameters : */
/* Return value : Dataflash status register */
/*---------------------------------------------------------------------------*/
int AT91F_DataflashProbe(int cs, AT91PS_DataflashDesc pDesc) {
int AT91F_DataflashProbe(int cs, AT91PS_DataflashDesc pDesc)
{
AT91F_SpiEnable(cs);
AT91F_DataFlashGetStatus(pDesc);
return((pDesc->command[1] == 0xFF)? 0: pDesc->command[1] & 0x3C);
return ((pDesc->command[1] == 0xFF) ? 0 : pDesc->command[1] & 0x3C);
}
#endif

2
include/config_cmd_all.h
View File

@ -76,6 +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 */
#define CONFIG_CMD_AT91_SPIMUX /* AT91 MMC/SPI Mux Support */
#endif /* _CONFIG_CMD_ALL_H */

45
include/led.h
View File

@ -1,45 +0,0 @@
/*
* (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

21
include/status_led.h
View File

@ -383,6 +383,27 @@ extern void __led_set (led_id_t mask, int state);
# include <asm/status_led.h>
#endif
/*
* Coloured LEDs API
*/
#ifndef __ASSEMBLY__
extern void coloured_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 /* CONFIG_STATUS_LED */
#endif /* _STATUS_LED_H_ */

24
lib_arm/board.c
View File

@ -111,6 +111,30 @@ void *sbrk (ptrdiff_t increment)
return ((void *) old);
}
/************************************************************************
* Coloured LED functionality
************************************************************************
* May be supplied by boards if desired
*/
void inline __coloured_LED_init (void) {}
void inline coloured_LED_init (void) __attribute__((weak, alias("__coloured_LED_init")));
void inline __red_LED_on (void) {}
void inline red_LED_on (void) __attribute__((weak, alias("__red_LED_on")));
void inline __red_LED_off(void) {}
void inline red_LED_off(void) __attribute__((weak, alias("__red_LED_off")));
void inline __green_LED_on(void) {}
void inline green_LED_on(void) __attribute__((weak, alias("__green_LED_on")));
void inline __green_LED_off(void) {}
void inline green_LED_off(void)__attribute__((weak, alias("__green_LED_off")));
void inline __yellow_LED_on(void) {}
void inline yellow_LED_on(void)__attribute__((weak, alias("__yellow_LED_on")));
void inline __yellow_LED_off(void) {}
void inline yellow_LED_off(void)__attribute__((weak, alias("__yellow_LED_off")));
/************************************************************************
* Init Utilities *
************************************************************************