summaryrefslogtreecommitdiff
path: root/board/bf533-stamp/spi.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/bf533-stamp/spi.c')
-rw-r--r--board/bf533-stamp/spi.c39
1 files changed, 20 insertions, 19 deletions
diff --git a/board/bf533-stamp/spi.c b/board/bf533-stamp/spi.c
index 1b585aa..d30750f 100644
--- a/board/bf533-stamp/spi.c
+++ b/board/bf533-stamp/spi.c
@@ -3,6 +3,7 @@
****************************************************************************/
#include <common.h>
#include <linux/ctype.h>
+#include <asm/io.h>
#if defined(CONFIG_SPI)
@@ -152,7 +153,7 @@ void SendSingleCommand(const int iCommand)
/*sends the actual command to the SPI TX register */
*pSPI_TDBR = iCommand;
- __builtin_bfin_ssync();
+ sync();
/*The SPI status register will be polled to check the SPIF bit */
Wait_For_SPIF();
@@ -173,7 +174,7 @@ void SetupSPI(const int spi_setting)
*pSPI_FLG = 0xFB04;
*pSPI_BAUD = CONFIG_SPI_BAUD;
*pSPI_CTL = spi_setting;
- __builtin_bfin_ssync();
+ sync();
}
void SPI_OFF(void)
@@ -182,7 +183,7 @@ void SPI_OFF(void)
*pSPI_CTL = 0x0400; /* disable SPI */
*pSPI_FLG = 0;
*pSPI_BAUD = 0;
- __builtin_bfin_ssync();
+ sync();
udelay(CONFIG_CCLK_HZ / 50000000);
}
@@ -240,10 +241,10 @@ char ReadStatusRegister(void)
SetupSPI((COMMON_SPI_SETTINGS | TIMOD01)); /* Turn on the SPI */
*pSPI_TDBR = SPI_RDSR; /* send instruction to read status register */
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
*pSPI_TDBR = 0; /*send dummy to receive the status register */
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /*wait until the data has been sent */
status_register = *pSPI_RDBR; /*read the status register */
@@ -304,18 +305,18 @@ ERROR_CODE EraseBlock(int nBlock)
/* Send the erase block command to the flash followed by the 24 address */
/* to point to the start of a sector. */
*pSPI_TDBR = SPI_SE;
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF();
ShiftValue = (ulSectorOff >> 16); /* Send the highest byte of the 24 bit address at first */
*pSPI_TDBR = ShiftValue;
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
ShiftValue = (ulSectorOff >> 8); /* Send the middle byte of the 24 bit address at second */
*pSPI_TDBR = ShiftValue;
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
*pSPI_TDBR = ulSectorOff; /* Send the lowest byte of the 24 bit address finally */
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
/*Turns off the SPI */
@@ -350,25 +351,25 @@ ERROR_CODE ReadData(unsigned long ulStart, long lCount, int *pnData)
SetupSPI((COMMON_SPI_SETTINGS | TIMOD01));
*pSPI_TDBR = SPI_READ; /* Send the read command to SPI device */
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
ShiftValue = (ulStart >> 16); /* Send the highest byte of the 24 bit address at first */
*pSPI_TDBR = ShiftValue; /* Send the byte to the SPI device */
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
ShiftValue = (ulStart >> 8); /* Send the middle byte of the 24 bit address at second */
*pSPI_TDBR = ShiftValue; /* Send the byte to the SPI device */
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
*pSPI_TDBR = ulStart; /* Send the lowest byte of the 24 bit address finally */
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /* Wait until the instruction has been sent */
/* After the SPI device address has been placed on the MOSI pin the data can be */
/* received on the MISO pin. */
for (i = 0; i < lCount; i++) {
*pSPI_TDBR = 0; /*send dummy */
- __builtin_bfin_ssync();
+ sync();
while (!(*pSPI_STAT & RXS)) ;
*cnData++ = *pSPI_RDBR; /*read */
@@ -405,26 +406,26 @@ ERROR_CODE WriteFlash(unsigned long ulStartAddr, long lTransferCount,
/* Third, the 24 bit address will be shifted out the SPI MOSI bytewise. */
SetupSPI((COMMON_SPI_SETTINGS | TIMOD01)); /* Turns the SPI on */
*pSPI_TDBR = SPI_PP;
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
ulWAddr = (ulStartAddr >> 16);
*pSPI_TDBR = ulWAddr;
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
ulWAddr = (ulStartAddr >> 8);
*pSPI_TDBR = ulWAddr;
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
ulWAddr = ulStartAddr;
*pSPI_TDBR = ulWAddr;
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
/* Fourth, maximum number of 256 bytes will be taken from the Buffer */
/* and sent to the SPI device. */
for (i = 0; (i < lTransferCount) && (i < 256); i++, lWTransferCount++) {
iData = *temp;
*pSPI_TDBR = iData;
- __builtin_bfin_ssync();
+ sync();
Wait_For_SPIF(); /*wait until the instruction has been sent */
temp++;
}