diff options
| author | Johnny Lin <johnny_lin@wiwynn.com> | 2020-05-19 14:04:16 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-07-08 07:24:11 +0000 |
| commit | cef108cc906b8276efdd005fc51fb1b180fb272b (patch) | |
| tree | aa5a747de5fae2e77d4a15b4f59ec722ea8aa73b /src/mainboard/ocp/deltalake/romstage.c | |
| parent | b8fbf3f97215b00401f76b76580d3bb2d3a5c0cc (diff) | |
mb/ocp/deltalake: Update IIO PCIe bifurcation according to different configs
In romstage get the config from BMC IPMI and update the IIO accordingly.
Tested on OCP Delta Lake with FSP WW24 release, with lspci checking bifurcation
register values are expected.
Change-Id: I412336c32d093fe2bbdc7175f8e596923c77876f
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41527
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Diffstat (limited to 'src/mainboard/ocp/deltalake/romstage.c')
| -rw-r--r-- | src/mainboard/ocp/deltalake/romstage.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/mainboard/ocp/deltalake/romstage.c b/src/mainboard/ocp/deltalake/romstage.c index fb9a549033..68ff113474 100644 --- a/src/mainboard/ocp/deltalake/romstage.c +++ b/src/mainboard/ocp/deltalake/romstage.c @@ -1,9 +1,47 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <console/console.h> #include <fsp/api.h> #include <FspmUpd.h> #include <soc/romstage.h> +#include "ipmi.h" + +/* Update bifurcation settings according to different Configs */ +static void oem_update_iio(FSPM_UPD *mupd) +{ + uint8_t pcie_config = 0; + + /* Default set to PCIE_CONFIG_C first */ + mupd->FspmConfig.IioConfigIOU0[0] = IIO_BIFURCATE_x4x4x4x4; + mupd->FspmConfig.IioConfigIOU1[0] = IIO_BIFURCATE_x4x4x4x4; + mupd->FspmConfig.IioConfigIOU2[0] = IIO_BIFURCATE_xxxxxxxx; + mupd->FspmConfig.IioConfigIOU3[0] = IIO_BIFURCATE_xxxxxx16; + mupd->FspmConfig.IioConfigIOU4[0] = IIO_BIFURCATE_xxxxxxxx; + /* Update IIO bifurcation according to different Configs */ + if (ipmi_get_pcie_config(&pcie_config) == CB_SUCCESS) { + printk(BIOS_DEBUG, "get IPMI PCIe config: %d\n", pcie_config); + switch (pcie_config) { + case PCIE_CONFIG_A: + mupd->FspmConfig.IioConfigIOU0[0] = IIO_BIFURCATE_xxxxxxxx; + mupd->FspmConfig.IioConfigIOU3[0] = IIO_BIFURCATE_xxxxxxxx; + break; + case PCIE_CONFIG_B: + mupd->FspmConfig.IioConfigIOU0[0] = IIO_BIFURCATE_xxxxxxxx; + mupd->FspmConfig.IioConfigIOU3[0] = IIO_BIFURCATE_x4x4x4x4; + break; + case PCIE_CONFIG_D: + mupd->FspmConfig.IioConfigIOU3[0] = IIO_BIFURCATE_x4x4x4x4; + break; + case PCIE_CONFIG_C: + default: + break; + } + } else { + printk(BIOS_ERR, "%s failed to get IPMI PCIe config\n", __func__); + } +} + /* * Configure GPIO depend on platform */ @@ -17,6 +55,7 @@ static void mainboard_config_iio(FSPM_UPD *mupd) /* Send FSP log message to SOL */ mupd->FspmConfig.SerialIoUartDebugEnable = 1; mupd->FspmConfig.SerialIoUartDebugIoBase = 0x2f8; + oem_update_iio(mupd); } void mainboard_memory_init_params(FSPM_UPD *mupd) |