From bcbcecd38ff6273bb9e8bf45da8e5f1578a72728 Mon Sep 17 00:00:00 2001 From: Mario Scheithauer Date: Wed, 7 Nov 2018 08:36:14 +0100 Subject: 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 --- src/mainboard/siemens/mc_apl1/variants/mc_apl3/mainboard.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'src/mainboard/siemens') 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) -- cgit v1.2.3