diff options
Diffstat (limited to 'src/southbridge/intel/bd82x6x/spi.c')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/spi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/southbridge/intel/bd82x6x/spi.c b/src/southbridge/intel/bd82x6x/spi.c index 2e88932c0b..53b9982192 100644 --- a/src/southbridge/intel/bd82x6x/spi.c +++ b/src/southbridge/intel/bd82x6x/spi.c @@ -627,13 +627,14 @@ int spi_xfer(struct spi_slave *slave, const void *dout, if ((with_address = spi_setup_offset(&trans)) < 0) return -1; - if (!ichspi_lock && trans.opcode == SPI_OPCODE_WREN) { + if (trans.opcode == SPI_OPCODE_WREN) { /* * Treat Write Enable as Atomic Pre-Op if possible * in order to prevent the Management Engine from * issuing a transaction between WREN and DATA. */ - writew_(trans.opcode, cntlr.preop); + if (!ichspi_lock) + writew_(trans.opcode, cntlr.preop); return 0; } @@ -645,6 +646,10 @@ int spi_xfer(struct spi_slave *slave, const void *dout, control |= SPIC_ACS; if (!trans.bytesout && !trans.bytesin) { + /* SPI addresses are 24 bit only */ + if (with_address) + writel_(trans.offset & 0x00FFFFFF, cntlr.addr); + /* * This is a 'no data' command (like Write Enable), its * bitesout size was 1, decremented to zero while executing |