1 /* SPDX-License-Identifier: GPL-2.0-only */
2
3 /* TODO: Update for Glinda */
4 /* TODO: See what can be made common */
5
6 /* ACPI - create the Fixed ACPI Description Tables (FADT) */
7
8 #include <acpi/acpi.h>
9 #include <acpi/acpigen.h>
10 #include <amdblocks/acpi.h>
11 #include <amdblocks/cppc.h>
12 #include <amdblocks/cpu.h>
13 #include <amdblocks/acpimmio.h>
14 #include <amdblocks/ioapic.h>
15 #include <arch/ioapic.h>
16 #include <arch/smp/mpspec.h>
17 #include <console/console.h>
18 #include <cpu/amd/cpuid.h>
19 #include <device/device.h>
20 #include <soc/iomap.h>
21 #include <types.h>
22 #include "chip.h"
23
24 /*
25 * Reference section 5.2.9 Fixed ACPI Description Table (FADT)
26 * in the ACPI 3.0b specification.
27 */
acpi_fill_fadt(acpi_fadt_t * fadt)28 void acpi_fill_fadt(acpi_fadt_t *fadt)
29 {
30 const struct soc_amd_glinda_config *cfg = config_of_soc();
31
32 printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE);
33
34 fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
35 fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
36 fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
37 fadt->gpe0_blk = ACPI_GPE0_BLK;
38
39 fadt->pm1_evt_len = 4; /* 32 bits */
40 fadt->pm1_cnt_len = 2; /* 16 bits */
41 fadt->pm_tmr_len = 4; /* 32 bits */
42 fadt->gpe0_blk_len = 8; /* 64 bits */
43
44 fill_fadt_extended_pm_io(fadt);
45
46 fadt->iapc_boot_arch = cfg->common_config.fadt_boot_arch; /* legacy free default */
47 fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */
48 ACPI_FADT_C1_SUPPORTED |
49 ACPI_FADT_S4_RTC_WAKE |
50 ACPI_FADT_32BIT_TIMER |
51 ACPI_FADT_PCI_EXPRESS_WAKE |
52 ACPI_FADT_PLATFORM_CLOCK |
53 ACPI_FADT_S4_RTC_VALID |
54 ACPI_FADT_REMOTE_POWER_ON;
55 if (cfg->s0ix_enable)
56 fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
57
58 fadt->flags |= cfg->common_config.fadt_flags; /* additional board-specific flags */
59 }
60
soc_acpi_write_tables(const struct device * device,unsigned long current,acpi_rsdp_t * rsdp)61 unsigned long soc_acpi_write_tables(const struct device *device, unsigned long current,
62 acpi_rsdp_t *rsdp)
63 {
64 /* IVRS */
65 current = acpi_add_ivrs_table(current, rsdp);
66
67 if (CONFIG(PLATFORM_USES_FSP2_0))
68 current = acpi_add_fsp_tables(current, rsdp);
69
70 return current;
71 }
72
73 const acpi_cstate_t cstate_cfg_table[] = {
74 [0] = {
75 .ctype = 1,
76 .latency = 1,
77 .power = 0,
78 },
79 [1] = {
80 .ctype = 2,
81 .latency = 0x12,
82 .power = 0,
83 },
84 [2] = {
85 .ctype = 3,
86 .latency = 350,
87 .power = 0,
88 },
89 };
90
get_cstate_config_data(size_t * size)91 const acpi_cstate_t *get_cstate_config_data(size_t *size)
92 {
93 *size = ARRAY_SIZE(cstate_cfg_table);
94 return cstate_cfg_table;
95 }
96