diff options
Diffstat (limited to 'src/southbridge/amd/agesa/hudson/spi.c')
| -rw-r--r-- | src/southbridge/amd/agesa/hudson/spi.c | 19 |
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); |