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vendorcode/amd/opensil: Add USB configuration 

Drive board specific USB configuration from the coreboot devicetree into
the opensil input block.

In the process of scrubbing opensil for public release USB became non
functional.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: Ic41f57f3208aebb3a8b42f70cf558de50fa4de24
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78919
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Martin Roth 2023-09-27 16:46:46 -06:00 committed by Felix Held
parent ddc8e5d7bf
commit f643a4d77e
1 changed files with 35 additions and 0 deletions
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35
src/vendorcode/amd/opensil/genoa_poc/ramstage.c
View File

@ -1,10 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <FCH/Common/FchCommonCfg.h>
#include <RcMgr/DfX/RcManager4-api.h>
#include <amdblocks/reset.h>
#include <bootstate.h>
#include <cbmem.h>
#include <cpu/cpu.h>
#include <device/device.h>
#include <soc/soc_chip.h>
#include <xSIM-api.h>
#include "opensil_console.h"
@ -58,6 +61,37 @@ static void setup_rc_manager_default(void)
rc_mgr_input_block->Above4GMmioSizePerRbForNonPciDevice = 0;
}
#define NUM_XHCI_CONTROLLERS 2
static void configure_usb(void)
{
const struct soc_amd_genoa_config *soc_config = config_of_soc();
const struct soc_usb_config *usb = &soc_config->usb;
FCHUSB_INPUT_BLK *fch_usb_data = SilFindStructure(SilId_FchUsb, 0);
fch_usb_data->Xhci0Enable = usb->xhci0_enable;
fch_usb_data->Xhci1Enable = usb->xhci1_enable;
fch_usb_data->Xhci2Enable = false; /* there's no XHCI2 on this SoC */
for (int i = 0; i < NUM_XHCI_CONTROLLERS; i++) {
memcpy(&fch_usb_data->XhciOCpinSelect[i].Usb20OcPin, &usb->usb2_oc_pins[i],
sizeof(fch_usb_data->XhciOCpinSelect[i].Usb20OcPin));
memcpy(&fch_usb_data->XhciOCpinSelect[i].Usb31OcPin, &usb->usb3_oc_pins[i],
sizeof(fch_usb_data->XhciOCpinSelect[i].Usb31OcPin));
}
fch_usb_data->XhciOcPolarityCfgLow = usb->polarity_cfg_low;
fch_usb_data->Usb3PortForceGen1 = usb->usb3_force_gen1.raw;
/* Instead of overwriting the whole OemUsbConfigurationTable, only copy the relevant
fields to the pre-populated data structure */
fch_usb_data->OemUsbConfigurationTable.Usb31PhyEnable = usb->usb31_phy_enable;
if (usb->usb31_phy_enable)
memcpy(&fch_usb_data->OemUsbConfigurationTable.Usb31PhyPort, usb->usb31_phy,
sizeof(fch_usb_data->OemUsbConfigurationTable.Usb31PhyPort));
fch_usb_data->OemUsbConfigurationTable.Usb31PhyEnable = usb->s1_usb31_phy_enable;
if (usb->s1_usb31_phy_enable)
memcpy(&fch_usb_data->OemUsbConfigurationTable.S1Usb31PhyPort, usb->s1_usb31_phy,
sizeof(fch_usb_data->OemUsbConfigurationTable.S1Usb31PhyPort));
}
static void setup_opensil(void *unused)
{
const SIL_STATUS debug_ret = SilDebugSetup(HostDebugService);
@ -70,6 +104,7 @@ static void setup_opensil(void *unused)
SIL_STATUS_report("xSimAssignMemory", assign_mem_ret);
setup_rc_manager_default();
configure_usb();
}
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT_CHIPS, BS_ON_ENTRY, setup_opensil, NULL);