diff options
Diffstat (limited to 'src/southbridge/amd/agesa/hudson/spi.c')
| -rw-r--r-- | src/southbridge/amd/agesa/hudson/spi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/southbridge/amd/agesa/hudson/spi.c b/src/southbridge/amd/agesa/hudson/spi.c index 1a63ce2b15..b89ea5d66e 100644 --- a/src/southbridge/amd/agesa/hudson/spi.c +++ b/src/southbridge/amd/agesa/hudson/spi.c @@ -61,7 +61,9 @@ int spi_xfer(struct spi_slave *slave, const void *dout, /* First byte is cmd which can not being sent through FIFO. */ u8 cmd = *(u8 *)dout++; u8 readoffby1; +#if !CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE u8 readwrite; +#endif u8 bytesout, bytesin; u8 count; @@ -71,8 +73,15 @@ int spi_xfer(struct spi_slave *slave, const void *dout, readoffby1 = bytesout ? 0 : 1; +#if CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE + write8(spibar + 0x1E, 5); + write8(spibar + 0x1F, bytesout); /* SpiExtRegIndx [5] - TxByteCount */ + write8(spibar + 0x1E, 6); + write8(spibar + 0x1F, bytesin); /* SpiExtRegIndx [6] - RxByteCount */ +#else readwrite = (bytesin + readoffby1) << 4 | bytesout; write8(spibar + 1, readwrite); +#endif write8(spibar + 0, cmd); reset_internal_fifo_pointer(); |