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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015-2017 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <string.h>
#include <compiler.h>
#include <console/console.h>
#include <device/device.h>
#include <arch/acpi.h>
#include <arch/io.h>
#include <amdblocks/agesawrapper.h>
#include <amdblocks/amd_pci_util.h>
#include <cbmem.h>
#include <baseboard/variants.h>
#include <boardid.h>
#include <smbios.h>
#include <soc/nvs.h>
#include <soc/pci_devs.h>
#include <soc/southbridge.h>
#include <variant/ec.h>
#include <variant/thermal.h>
#include <vendorcode/google/chromeos/chromeos.h>
/***********************************************************
* These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
* This table is responsible for physically routing the PIC and
* IOAPIC IRQs to the different PCI devices on the system. It
* is read and written via registers 0xC00/0xC01 as an
* Index/Data pair. These values are chipset and mainboard
* dependent and should be updated accordingly.
*
* These values are used by the PCI configuration space,
* MP Tables. TODO: Make ACPI use these values too.
*/
const u8 mainboard_picr_data[] = {
[0x00] = 0x03, 0x04, 0x05, 0x07, 0x0B, 0x1F, 0x1F, 0x1F,
[0x08] = 0xFA, 0xF1, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
[0x10] = 0x09, 0x1F, 0x1F, 0x03, 0x1F, 0x1F, 0x1F, 0x03,
[0x18] = 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x30] = 0x05, 0x04, 0x05, 0x04, 0x04, 0x05, 0x04, 0x05,
[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x40] = 0x04, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x50] = 0x03, 0x04, 0x05, 0x07, 0x1F, 0x1F, 0x1F, 0x1F,
[0x58] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
[0x60] = 0x1F, 0x1F, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
[0x68] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
[0x78] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
};
const u8 mainboard_intr_data[] = {
[0x00] = 0x10, 0x11, 0x12, 0x13, 0x14, 0x1F, 0x16, 0x17,
[0x08] = 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
[0x10] = 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x1F, 0x10,
[0x18] = 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
[0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x30] = 0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00,
[0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x40] = 0x11, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x50] = 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
[0x58] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x60] = 0x1F, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x68] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
[0x78] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
/*
* This table defines the index into the picr/intr_data tables for each
* device. Any enabled device and slot that uses hardware interrupts should
* have an entry in this table to define its index into the FCH PCI_INTR
* register 0xC00/0xC01. This index will define the interrupt that it should
* use. Putting PIRQ_A into the PIN A index for a device will tell that
* device to use PIC IRQ 10 if it uses PIN A for its hardware INT.
*/
static const struct pirq_struct mainboard_pirq_data[] = {
{ PCIE0_DEVFN, { PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D } },
{ PCIE1_DEVFN, { PIRQ_B, PIRQ_C, PIRQ_D, PIRQ_A } },
{ PCIE2_DEVFN, { PIRQ_C, PIRQ_D, PIRQ_A, PIRQ_B } },
{ PCIE3_DEVFN, { PIRQ_D, PIRQ_A, PIRQ_B, PIRQ_C } },
{ PCIE4_DEVFN, { PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D } },
{ HDA0_DEVFN, { PIRQ_NC, PIRQ_HDA, PIRQ_NC, PIRQ_NC } },
{ SD_DEVFN, { PIRQ_SD, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
{ SMBUS_DEVFN, { PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
{ SATA_DEVFN, { PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
{ EHCI1_DEVFN, { PIRQ_EHCI, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
{ XHCI_DEVFN, { PIRQ_XHCI, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
};
/* PIRQ Setup */
static void pirq_setup(void)
{
pirq_data_ptr = mainboard_pirq_data;
pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
intr_data_ptr = mainboard_intr_data;
picr_data_ptr = mainboard_picr_data;
}
static void mainboard_init(void *chip_info)
{
const struct sci_source *gpes;
size_t num;
int boardid = board_id();
size_t num_gpios;
const struct soc_amd_gpio *gpios;
printk(BIOS_INFO, "Board ID: %d\n", boardid);
mainboard_ec_init();
gpios = variant_gpio_table(&num_gpios);
sb_program_gpios(gpios, num_gpios);
/*
* Some platforms use SCI not generated by a GPIO pin (event above 23).
* For these boards, gpe_configure_sci() is still needed, but all GPIO
* generated events (23-0) must be removed from gpe_table[].
* For boards that only have GPIO generated events, table gpe_table[]
* must be removed, and get_gpe_table() should return NULL.
*/
gpes = get_gpe_table(&num);
if (gpes != NULL)
gpe_configure_sci(gpes, num);
/* Initialize i2c busses that were not initialized in bootblock */
i2c_soc_init();
/* Set GenIntDisable so that GPIO 90 is configured as a GPIO. */
pm_write8(PM_PCIB_CFG, pm_read8(PM_PCIB_CFG) | PM_GENINT_DISABLE);
/* Set low-power mode for BayHub eMMC bridge's PCIe clock. */
clrsetbits_le32((uint32_t *)(MISC_MMIO_BASE + GPP_CLK_CNTRL),
GPP_CLK2_CLOCK_REQ_MAP_MASK,
GPP_CLK2_CLOCK_REQ_MAP_CLK_REQ2 <<
GPP_CLK2_CLOCK_REQ_MAP_SHIFT);
}
/*************************************************
* Dedicated mainboard function
*************************************************/
static void kahlee_enable(struct device *dev)
{
printk(BIOS_INFO, "Mainboard "
CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
/* Initialize the PIRQ data structures for consumption */
pirq_setup();
dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator;
}
static void mainboard_final(void *chip_info)
{
struct global_nvs_t *gnvs;
gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
if (gnvs) {
gnvs->tmps = CTL_TDP_SENSOR_ID;
gnvs->tcrt = CRITICAL_TEMPERATURE;
gnvs->tpsv = PASSIVE_TEMPERATURE;
}
}
int mainboard_get_xhci_oc_map(uint16_t *map)
{
return variant_get_xhci_oc_map(map);
}
int mainboard_get_ehci_oc_map(uint16_t *map)
{
return variant_get_ehci_oc_map(map);
}
#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
void mainboard_suspend_resume(void)
{
variant_mainboard_suspend_resume();
}
#endif
struct chip_operations mainboard_ops = {
.init = mainboard_init,
.enable_dev = kahlee_enable,
.final = mainboard_final,
};
/* Variants may override these functions so see definitions in variants/ */
uint8_t __weak variant_board_sku(void)
{
return 0;
}
#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
void __weak variant_mainboard_suspend_resume(void)
{
}
#endif
const char *smbios_mainboard_sku(void)
{
static char sku_str[7]; /* sku{0..255} */
snprintf(sku_str, sizeof(sku_str), "sku%d", variant_board_sku());
return sku_str;
}
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