Change in coreboot[master]: siemens/mc_apl3: Remove the correction of the Tx signal for SATA

[Werner Zeh (Code Review)]

Werner Zeh has submitted this change and it was merged. ( https://review.coreboot.org/29527 )

Change subject: siemens/mc_apl3: Remove the correction of the Tx signal for SATA
......................................................................

siemens/mc_apl3: Remove the correction of the Tx signal for SATA

For this mainboard the correction of transmit voltage swing from SATA
interface is not necessary.

Change-Id: I900d0d44b88585c223182d85c78cf3ff1e3e9159
Signed-off-by: Mario Scheithauer 
Reviewed-on: https://review.coreboot.org/29527
Tested-by: build bot (Jenkins) 
Reviewed-by: Werner Zeh 
---
M src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c
1 file changed, 0 insertions(+), 8 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Werner Zeh: Looks good to me, approved

diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c
index ade923a..bfcf38e 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c
@@ -52,14 +52,6 @@
     * offset 0x341C bit [3:0].
     */
    pcr_or32(PID_LPC, PCR_LPC_PRC, (PCR_LPC_CCE_EN | PCR_LPC_PCE_EN));
-
-	/*
-	 * Correct the SATA transmit signal via the High Speed I/O Transmit
-	 * Control Register 3.
-	 * Bit [23:16] set the output voltage swing for TX line.
-	 * The value 0x4a sets the swing level to 0.58 V.
-	 */
-	pcr_rmw32(PID_MODPHY, TX_DWORD3, (0x00 << 16), (0x4a << 16));
 }

static void wait_for_legacy_dev(void *unused)