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authorMario Scheithauer <mario.scheithauer@siemens.com>2018-11-07 08:36:14 +0100
committerWerner Zeh <werner.zeh@siemens.com>2018-11-12 07:25:21 +0000
commitbcbcecd38ff6273bb9e8bf45da8e5f1578a72728 (patch)
tree3ecf26fdff521c655613095763c14efc9aef1aeb /src/mainboard/siemens
parent98689df18f7431c69cc0b53a53d083ab3cef28ce (diff)
downloadcoreboot-bcbcecd38ff6273bb9e8bf45da8e5f1578a72728.tar.xz
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 <mario.scheithauer@siemens.com> Reviewed-on: https://review.coreboot.org/29527 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Diffstat (limited to 'src/mainboard/siemens')
-rw-r--r--src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c8
1 files changed, 0 insertions, 8 deletions
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 ade923a65e..bfcf38ef5f 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 @@ void variant_mainboard_final(void)
* 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)