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Diffstat (limited to 'src/southbridge/amd/agesa')
-rw-r--r--src/southbridge/amd/agesa/hudson/spi.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/src/southbridge/amd/agesa/hudson/spi.c b/src/southbridge/amd/agesa/hudson/spi.c
index c19d1a0ff8..720b26f83e 100644
--- a/src/southbridge/amd/agesa/hudson/spi.c
+++ b/src/southbridge/amd/agesa/hudson/spi.c
@@ -87,21 +87,14 @@ void spi_init(void)
}
int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bitsout, void *din, unsigned int bitsin)
+ unsigned int bytesout, void *din, unsigned int bytesin)
{
/* First byte is cmd which can not being sent through FIFO. */
- uint8_t cmd = *(uint8_t *)dout++;
- uint8_t readoffby1;
-#if !CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE
- uint8_t readwrite;
-#endif
- uint8_t bytesout, bytesin;
- uint8_t count;
-
- bitsout -= 8;
- bytesout = bitsout / 8;
- bytesin = bitsin / 8;
+ u8 cmd = *(u8 *)dout++;
+ u8 readoffby1;
+ u8 count;
+ bytesout--;
readoffby1 = bytesout ? 0 : 1;
#if CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE
@@ -110,7 +103,7 @@ int spi_xfer(struct spi_slave *slave, const void *dout,
spi_write(0x1E, 6);
spi_write(0x1F, bytesin); /* SpiExtRegIndx [6] - RxByteCount */
#else
- readwrite = (bytesin + readoffby1) << 4 | bytesout;
+ u8 readwrite = (bytesin + readoffby1) << 4 | bytesout;
spi_write(SPI_REG_CNTRL01, readwrite);
#endif
spi_write(SPI_REG_OPCODE, cmd);