Arthur Heymans ce179729f0 soc/amd/acpi/ivrs: Use specific IOMMU resource index on all SOC
By adding all DXIO IOAPIC with the same resource index, the IVRS code
can always pick that resource which simplifies the code.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I10345e2337dcb709c2c1a8e57a1b7dd9c04adb9e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75710
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Naresh <naresh.solanki.2011@gmail.com>
2023-06-14 21:11:12 +00:00

242 lines
8.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/* TODO: Update for Glinda */
#include <acpi/acpigen.h>
#include <amdblocks/acpi.h>
#include <amdblocks/alib.h>
#include <amdblocks/data_fabric.h>
#include <amdblocks/ioapic.h>
#include <amdblocks/memmap.h>
#include <arch/ioapic.h>
#include <arch/vga.h>
#include <cbmem.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <fsp/util.h>
#include <soc/iomap.h>
#include <stdint.h>
#include "chip.h"
#define DPTC_TOTAL_UPDATE_PARAMS 7
struct dptc_input {
uint16_t size;
struct alib_dptc_param params[DPTC_TOTAL_UPDATE_PARAMS];
} __packed;
#define DPTC_INPUTS(_thermctllmit, _sustained, _fast, _slow, \
_vrmCurrentLimit, _vrmMaxCurrentLimit, _vrmSocCurrentLimit) \
{ \
.size = sizeof(struct dptc_input), \
.params = { \
{ \
.id = ALIB_DPTC_THERMAL_CONTROL_LIMIT_ID, \
.value = _thermctllmit, \
}, \
{ \
.id = ALIB_DPTC_SUSTAINED_POWER_LIMIT_ID, \
.value = _sustained, \
}, \
{ \
.id = ALIB_DPTC_FAST_PPT_LIMIT_ID, \
.value = _fast, \
}, \
{ \
.id = ALIB_DPTC_SLOW_PPT_LIMIT_ID, \
.value = _slow, \
}, \
{ \
.id = ALIB_DPTC_VRM_CURRENT_LIMIT_ID, \
.value = _vrmCurrentLimit, \
}, \
{ \
.id = ALIB_DPTC_VRM_MAXIMUM_CURRENT_LIMIT, \
.value = _vrmMaxCurrentLimit, \
}, \
{ \
.id = ALIB_DPTC_VRM_SOC_CURRENT_LIMIT_ID, \
.value = _vrmSocCurrentLimit, \
}, \
}, \
}
/*
*
* +--------------------------------+
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* reserved_dram_end +--------------------------------+
* | |
* | verstage (if reqd) |
* | (VERSTAGE_SIZE) |
* +--------------------------------+ VERSTAGE_ADDR
* | |
* | FSP-M |
* | (FSP_M_SIZE) |
* +--------------------------------+ FSP_M_ADDR
* | romstage |
* | (ROMSTAGE_SIZE) |
* +--------------------------------+ ROMSTAGE_ADDR = BOOTBLOCK_END
* | | X86_RESET_VECTOR = BOOTBLOCK_END - 0x10
* | bootblock |
* | (C_ENV_BOOTBLOCK_SIZE) |
* +--------------------------------+ BOOTBLOCK_ADDR = BOOTBLOCK_END - C_ENV_BOOTBLOCK_SIZE
* | Unused hole |
* | (30KiB) |
* +--------------------------------+
* | FMAP cache (FMAP_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE + PRERAM_CBMEM_CONSOLE_SIZE + 0x200
* | Early Timestamp region (512B) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE + PRERAM_CBMEM_CONSOLE_SIZE
* | Preram CBMEM console |
* | (PRERAM_CBMEM_CONSOLE_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE + PSP_SHAREDMEM_SIZE
* | PSP shared (vboot workbuf) |
* | (PSP_SHAREDMEM_SIZE) |
* +--------------------------------+ PSP_SHAREDMEM_BASE
* | APOB (120KiB) |
* +--------------------------------+ PSP_APOB_DRAM_ADDRESS
* | Early BSP stack |
* | (EARLYRAM_BSP_STACK_SIZE) |
* reserved_dram_start +--------------------------------+ EARLY_RESERVED_DRAM_BASE
* | DRAM |
* +--------------------------------+ 0x100000
* | Option ROM |
* +--------------------------------+ 0xc0000
* | Legacy VGA |
* +--------------------------------+ 0xa0000
* | DRAM |
* +--------------------------------+ 0x0
*/
static void read_resources(struct device *dev)
{
uint32_t mem_usable = (uintptr_t)cbmem_top();
unsigned int idx = 0;
const struct hob_header *hob_iterator;
const struct hob_resource *res;
struct resource *gnb_apic;
uintptr_t early_reserved_dram_start, early_reserved_dram_end;
const struct memmap_early_dram *e = memmap_get_early_dram_usage();
early_reserved_dram_start = e->base;
early_reserved_dram_end = e->base + e->size;
/* The root complex has no PCI BARs implemented, so there's no need to call
pci_dev_read_resources for it */
fixed_io_range_reserved(dev, idx++, PCI_IO_CONFIG_INDEX, PCI_IO_CONFIG_PORT_COUNT);
/* 0x0 - 0x9ffff */
ram_resource_kb(dev, idx++, 0, 0xa0000 / KiB);
/* 0xa0000 - 0xbffff: legacy VGA */
mmio_resource_kb(dev, idx++, VGA_MMIO_BASE / KiB, VGA_MMIO_SIZE / KiB);
/* 0xc0000 - 0xfffff: Option ROM */
reserved_ram_resource_kb(dev, idx++, 0xc0000 / KiB, 0x40000 / KiB);
/* 1MiB - bottom of DRAM reserved for early coreboot usage */
ram_resource_kb(dev, idx++, (1 * MiB) / KiB,
(early_reserved_dram_start - (1 * MiB)) / KiB);
/* DRAM reserved for early coreboot usage */
reserved_ram_resource_kb(dev, idx++, early_reserved_dram_start / KiB,
(early_reserved_dram_end - early_reserved_dram_start) / KiB);
/*
* top of DRAM consumed early - low top usable RAM
* cbmem_top() accounts for low UMA and TSEG if they are used.
*/
ram_resource_kb(dev, idx++, early_reserved_dram_end / KiB,
(mem_usable - early_reserved_dram_end) / KiB);
mmconf_resource(dev, idx++);
/* GNB IOAPIC resource */
gnb_apic = new_resource(dev, IOMMU_IOAPIC_IDX);
gnb_apic->base = GNB_IO_APIC_ADDR;
gnb_apic->size = 0x00001000;
gnb_apic->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
if (fsp_hob_iterator_init(&hob_iterator) != CB_SUCCESS) {
printk(BIOS_ERR, "%s incomplete because no HOB list was found\n",
__func__);
return;
}
while (fsp_hob_iterator_get_next_resource(&hob_iterator, &res) == CB_SUCCESS) {
if (res->type == EFI_RESOURCE_SYSTEM_MEMORY && res->addr < mem_usable)
continue; /* 0 through low usable was set above */
if (res->type == EFI_RESOURCE_MEMORY_MAPPED_IO)
continue; /* Done separately */
if (res->type == EFI_RESOURCE_SYSTEM_MEMORY)
ram_resource_kb(dev, idx++, res->addr / KiB, res->length / KiB);
else if (res->type == EFI_RESOURCE_MEMORY_RESERVED)
reserved_ram_resource_kb(dev, idx++, res->addr / KiB, res->length / KiB);
else
printk(BIOS_ERR, "Failed to set resources for type %d\n",
res->type);
}
}
static void root_complex_init(struct device *dev)
{
register_new_ioapic((u8 *)GNB_IO_APIC_ADDR);
}
static void acipgen_dptci(void)
{
const struct soc_amd_glinda_config *config = config_of_soc();
/* Normal mode DPTC values. */
struct dptc_input default_input = DPTC_INPUTS(config->thermctl_limit_degreeC,
config->sustained_power_limit_mW,
config->fast_ppt_limit_mW,
config->slow_ppt_limit_mW,
config->vrm_current_limit_mA,
config->vrm_maximum_current_limit_mA,
config->vrm_soc_current_limit_mA);
acpigen_write_alib_dptc_default((uint8_t *)&default_input, sizeof(default_input));
/* Low/No Battery */
struct dptc_input no_battery_input = DPTC_INPUTS(
config->thermctl_limit_degreeC,
config->sustained_power_limit_mW,
config->fast_ppt_limit_mW,
config->slow_ppt_limit_mW,
config->vrm_current_limit_throttle_mA,
config->vrm_maximum_current_limit_throttle_mA,
config->vrm_soc_current_limit_throttle_mA);
acpigen_write_alib_dptc_no_battery((uint8_t *)&no_battery_input,
sizeof(no_battery_input));
}
static void root_complex_fill_ssdt(const struct device *device)
{
if (CONFIG(SOC_AMD_COMMON_BLOCK_ACPI_DPTC))
acipgen_dptci();
}
static const char *gnb_acpi_name(const struct device *dev)
{
return "GNB";
}
struct device_operations glinda_root_complex_operations = {
.read_resources = read_resources,
.set_resources = noop_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = root_complex_init,
.acpi_name = gnb_acpi_name,
.acpi_fill_ssdt = root_complex_fill_ssdt,
};