diff options
| -rw-r--r-- | src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c index b7b997b5cc..8490ddc6a7 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/mainboard.c @@ -12,6 +12,7 @@ #include <types.h> #define TX_DWORD3_P1 0xa8c +#define TX_SWING_MASK 0x00ff0000 void variant_mainboard_final(void) { @@ -42,10 +43,10 @@ void variant_mainboard_final(void) /* * Correct the SATA transmit signal via the High Speed I/O Transmit * Control Register 3 on SATA port 1. - * Bit [23:16] set the output voltage swing for TX line. + * Bit [23:16] sets the output voltage swing for TX line. * The value 0x4a sets the swing level to 0.58 V. */ - pcr_rmw32(PID_MODPHY, TX_DWORD3_P1, (0x00 << 16), (0x4a << 16)); + pcr_rmw32(PID_MODPHY, TX_DWORD3_P1, ~TX_SWING_MASK, 0x4a << 16); } static void finalize_boot(void *unused) |