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/* SPDX-License-Identifier: GPL-2.0-only */
#include <assert.h>
#include <device/pci.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
#include <soc/platform_descriptors.h>
#include <fsp/api.h>
#include "chip.h"
static void fsps_update_emmc_config(FSP_S_CONFIG *scfg,
const struct soc_amd_picasso_config *cfg)
{
int val = SD_DISABLE;
switch (cfg->emmc_config.timing) {
case SD_EMMC_DISABLE:
val = SD_DISABLE;
break;
case SD_EMMC_SD_LOW_SPEED:
val = SD_LOW_SPEED;
break;
case SD_EMMC_SD_HIGH_SPEED:
val = SD_HIGH_SPEED;
break;
case SD_EMMC_SD_UHS_I_SDR_50:
val = SD_UHS_I_SDR_50;
break;
case SD_EMMC_SD_UHS_I_DDR_50:
val = SD_UHS_I_DDR_50;
break;
case SD_EMMC_SD_UHS_I_SDR_104:
val = SD_UHS_I_SDR_104;
break;
case SD_EMMC_EMMC_SDR_26:
val = EMMC_SDR_26;
break;
case SD_EMMC_EMMC_SDR_52:
val = EMMC_SDR_52;
break;
case SD_EMMC_EMMC_DDR_52:
val = EMMC_DDR_52;
break;
case SD_EMMC_EMMC_HS200:
val = EMMC_HS200;
break;
case SD_EMMC_EMMC_HS400:
val = EMMC_HS400;
break;
case SD_EMMC_EMMC_HS300:
val = EMMC_HS300;
break;
default:
break;
}
scfg->emmc0_mode = val;
scfg->emmc0_sdr104_hs400_driver_strength =
cfg->emmc_config.sdr104_hs400_driver_strength;
scfg->emmc0_ddr50_driver_strength = cfg->emmc_config.ddr50_driver_strength;
scfg->emmc0_sdr50_driver_strength = cfg->emmc_config.sdr50_driver_strength;
scfg->emmc0_init_khz_preset = cfg->emmc_config.init_khz_preset;
}
static void fill_dxio_descriptors(FSP_S_CONFIG *scfg,
const fsp_dxio_descriptor *descs, size_t num)
{
size_t i;
ASSERT_MSG(num <= FSPS_UPD_DXIO_DESCRIPTOR_COUNT,
"Too many DXIO descriptors provided.");
for (i = 0; i < num; i++) {
memcpy(scfg->dxio_descriptor[i], &descs[i], sizeof(scfg->dxio_descriptor[0]));
}
}
static void fill_ddi_descriptors(FSP_S_CONFIG *scfg,
const fsp_ddi_descriptor *descs, size_t num)
{
size_t i;
ASSERT_MSG(num <= FSPS_UPD_DDI_DESCRIPTOR_COUNT,
"Too many DDI descriptors provided.");
for (i = 0; i < num; i++) {
memcpy(&scfg->ddi_descriptor[i], &descs[i], sizeof(scfg->ddi_descriptor[0]));
}
}
static void fsp_fill_pcie_ddi_descriptors(FSP_S_CONFIG *scfg)
{
const fsp_dxio_descriptor *fsp_dxio;
const fsp_ddi_descriptor *fsp_ddi;
size_t num_dxio;
size_t num_ddi;
mainboard_get_dxio_ddi_descriptors(&fsp_dxio, &num_dxio,
&fsp_ddi, &num_ddi);
fill_dxio_descriptors(scfg, fsp_dxio, num_dxio);
fill_ddi_descriptors(scfg, fsp_ddi, num_ddi);
}
static void fsp_usb_oem_customization(FSP_S_CONFIG *scfg,
const struct soc_amd_picasso_config *cfg)
{
size_t i;
ASSERT(FSPS_UPD_USB2_PORT_COUNT == USB_PORT_COUNT);
/* each OC mapping in xhci_oc_pin_select is 4 bit per USB port */
ASSERT(2 * sizeof(scfg->xhci_oc_pin_select) >= USB_PORT_COUNT);
scfg->fch_usb_3_port_force_gen1 = cfg->usb3_port_force_gen1.usb3_port_force_gen1_en;
if (cfg->has_usb2_phy_tune_params) {
for (i = 0; i < FSPS_UPD_USB2_PORT_COUNT; i++) {
memcpy(scfg->fch_usb_2_port_phy_tune[i],
&cfg->usb_2_port_tune_params[i],
sizeof(scfg->fch_usb_2_port_phy_tune[0]));
}
}
/* lowest nibble of xhci_oc_pin_select corresponds to OC mapping of first USB port */
for (i = 0; i < USB_PORT_COUNT; i++) {
scfg->xhci_oc_pin_select &= ~(0xf << (i * 4));
scfg->xhci_oc_pin_select |=
(cfg->usb_port_overcurrent_pin[i] & 0xf) << (i * 4);
}
}
static void fsp_assign_ioapic_upds(FSP_S_CONFIG *scfg)
{
_Static_assert(CONFIG_PICASSO_GNB_IOAPIC_ID >= CONFIG_MAX_CPUS,
"PICASSO_GNB_IOAPIC_ID should be >= CONFIG_MAX_CPUS!\n");
_Static_assert(CONFIG_PICASSO_FCH_IOAPIC_ID >= CONFIG_MAX_CPUS,
"PICASSO_FCH_IOAPIC_ID should be >= CONFIG_MAX_CPUS!\n");
_Static_assert(CONFIG_PICASSO_GNB_IOAPIC_ID != CONFIG_PICASSO_FCH_IOAPIC_ID,
"PICASSO_GNB_IOAPIC_ID should be != PICASSO_FCH_IOAPIC_ID!\n");
scfg->gnb_ioapic_base = GNB_IO_APIC_ADDR;
scfg->gnb_ioapic_id = CONFIG_PICASSO_GNB_IOAPIC_ID;
scfg->fch_ioapic_id = CONFIG_PICASSO_FCH_IOAPIC_ID;
}
void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
{
const struct soc_amd_picasso_config *cfg;
FSP_S_CONFIG *scfg = &supd->FspsConfig;
cfg = config_of_soc();
fsps_update_emmc_config(scfg, cfg);
fsp_fill_pcie_ddi_descriptors(scfg);
fsp_assign_ioapic_upds(scfg);
fsp_usb_oem_customization(scfg, cfg);
}
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