| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <baseboard/variants.h> |
| #include <chip.h> |
| #include <arch/io.h> |
| #include <device/device.h> |
| #include <device/pci_ops.h> |
| #include <smbios.h> |
| #include <stdio.h> |
| #include <variant/sku.h> |
| |
| #define R_PCH_OC_WDT_CTL 0x54 |
| #define B_PCH_OC_WDT_CTL_FORCE_ALL BIT15 |
| #define B_PCH_OC_WDT_CTL_EN BIT14 |
| #define B_PCH_OC_WDT_CTL_UNXP_RESET_STS BIT22 |
| |
| const char *smbios_system_sku(void) |
| { |
| static char sku_str[5]; /* sku{0-1} */ |
| |
| snprintf(sku_str, sizeof(sku_str), "sku%u", variant_board_sku()); |
| |
| return sku_str; |
| } |
| |
| /* Override dev tree settings per board */ |
| void variant_devtree_update(void) |
| { |
| uint32_t sku_id = variant_board_sku(); |
| uint16_t abase; |
| uint32_t val32; |
| |
| config_t *cfg = config_of_soc(); |
| |
| switch (sku_id) { |
| case SKU_0_NAUTILUS: |
| /* Disable LTE module */ |
| cfg->usb3_ports[3].enable = 0; |
| |
| /* OC_WDT has been enabled in FSP-M by enabling SaOcSupport. |
| * We should clear it to prevent turning the system off. */ |
| abase = pci_read_config16(PCH_DEV_PMC, ABASE) & 0xfffc; |
| val32 = inl(abase + R_PCH_OC_WDT_CTL); |
| val32 &= ~(B_PCH_OC_WDT_CTL_EN | |
| B_PCH_OC_WDT_CTL_FORCE_ALL | |
| B_PCH_OC_WDT_CTL_UNXP_RESET_STS); |
| outl(val32, abase + R_PCH_OC_WDT_CTL); |
| break; |
| |
| case SKU_1_NAUTILUS_LTE: |
| /* LTE board has different layout with Wifi sku, it need |
| new USB2 port strength settings */ |
| |
| /* Configure USB2 port 0 - USB2_PORT_TYPE_C(OC1) */ |
| cfg->usb2_ports[0].enable = 1; |
| cfg->usb2_ports[0].ocpin = OC1; |
| cfg->usb2_ports[0].tx_bias = USB2_BIAS_0MV; |
| cfg->usb2_ports[0].tx_emp_enable = USB2_PRE_EMP_ON; |
| cfg->usb2_ports[0].pre_emp_bias = USB2_BIAS_56MV; |
| cfg->usb2_ports[0].pre_emp_bit = USB2_HALF_BIT_PRE_EMP; |
| |
| /* Configure USB2 port 1 - USB2_PORT_LONG(OC2) */ |
| cfg->usb2_ports[1].enable = 1; |
| cfg->usb2_ports[1].ocpin = OC2; |
| cfg->usb2_ports[1].tx_bias = USB2_BIAS_39MV; |
| cfg->usb2_ports[1].tx_emp_enable = USB2_PRE_EMP_ON; |
| cfg->usb2_ports[1].pre_emp_bias = USB2_BIAS_56MV; |
| cfg->usb2_ports[1].pre_emp_bit = USB2_HALF_BIT_PRE_EMP; |
| |
| /* Configure USB2 port 4 - USB2_PORT_TYPE_C(OC0) */ |
| cfg->usb2_ports[4].enable = 1; |
| cfg->usb2_ports[4].ocpin = OC0; |
| cfg->usb2_ports[4].tx_bias = USB2_BIAS_0MV; |
| cfg->usb2_ports[4].tx_emp_enable = USB2_PRE_EMP_ON; |
| cfg->usb2_ports[4].pre_emp_bias = USB2_BIAS_56MV; |
| cfg->usb2_ports[4].pre_emp_bit = USB2_HALF_BIT_PRE_EMP; |
| |
| /* Override SlowSlewRate settings */ |
| cfg->SlowSlewRateForIa = 0; |
| cfg->SlowSlewRateForGt = 0; |
| cfg->SlowSlewRateForSa = 0; |
| break; |
| |
| default: |
| break; |
| } |
| } |