diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0082-src-southbridge-amd-sr5650-Always-configure-lane-dir.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0082-src-southbridge-amd-sr5650-Always-configure-lane-dir.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0082-src-southbridge-amd-sr5650-Always-configure-lane-dir.patch b/resources/libreboot/patch/kgpe-d16/0082-src-southbridge-amd-sr5650-Always-configure-lane-dir.patch new file mode 100644 index 00000000..8d4fc4a8 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0082-src-southbridge-amd-sr5650-Always-configure-lane-dir.patch @@ -0,0 +1,51 @@ +From 841de11861037d80ef651107d2be0f7fb31c8cf1 Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Fri, 3 Jul 2015 17:16:22 -0500 +Subject: [PATCH 082/143] src/southbridge/amd/sr5650: Always configure lane + director on startup + +On the ASUS KGPE-D16 it was noted that the pin straps did not properly +configure the lane director hardware, causing link training failure +on NIC B. Forcing coreboot to always reconfigure the lane director +on startup resolves this problem. + +Change-Id: I5b78cef84960e0f42cc3e0406a7031d12d21f3ad +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + src/southbridge/amd/sr5650/pcie.c | 13 +++---------- + 1 file changed, 3 insertions(+), 10 deletions(-) + +diff --git a/src/southbridge/amd/sr5650/pcie.c b/src/southbridge/amd/sr5650/pcie.c +index 79f2a5f..09ce217 100644 +--- a/src/southbridge/amd/sr5650/pcie.c ++++ b/src/southbridge/amd/sr5650/pcie.c +@@ -862,8 +862,6 @@ void sr56x0_lock_hwinitreg(void) + void config_gpp_core(device_t nb_dev, device_t sb_dev) + { + u32 reg; +- struct southbridge_amd_sr5650_config *cfg = +- (struct southbridge_amd_sr5650_config *)nb_dev->chip_info; + + reg = nbmisc_read_index(nb_dev, 0x20); + if (AtiPcieCfg.Config & PCIE_ENABLE_STATIC_DEV_REMAP) +@@ -879,14 +877,9 @@ void config_gpp_core(device_t nb_dev, device_t sb_dev) + reg &= ~((1 << 31) | (1 << 15) | (1 << 13)); //De-asserts + nbmisc_write_index(nb_dev, 0x8, reg); + +- reg = nbmisc_read_index(nb_dev, 0x67); /* get STRAP_BIF_LINK_CONFIG at bit 0-4 */ +- if (cfg->gpp3a_configuration != (reg & 0x1F)) +- switching_gpp3a_configurations(nb_dev, sb_dev); +- reg = nbmisc_read_index(nb_dev, 0x8); /* get MULTIPORT_CONFIG_GPP1 MULTIPORT_CONFIG_CONFIG_GPP2 at bit 8,9 */ +- if ((cfg->gpp1_configuration << 8) != (reg & (1 << 8))) +- switching_gpp1_configurations(nb_dev, sb_dev); +- if ((cfg->gpp2_configuration << 9) != (reg & (1 << 9))) +- switching_gpp2_configurations(nb_dev, sb_dev); ++ switching_gpp3a_configurations(nb_dev, sb_dev); ++ switching_gpp1_configurations(nb_dev, sb_dev); ++ switching_gpp2_configurations(nb_dev, sb_dev); + ValidatePortEn(nb_dev); + } + +-- +1.7.9.5 + |