| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* |
| * ACPI - create the Fixed ACPI Description Tables (FADT) |
| */ |
| |
| #include <console/console.h> |
| #include <acpi/acpi.h> |
| #include <arch/io.h> |
| #include <device/device.h> |
| #include <version.h> |
| |
| #include "SBPLATFORM.h" |
| |
| #ifndef FADT_BOOT_ARCH |
| #if LEGACY_FREE |
| #define FADT_BOOT_ARCH ACPI_FADT_LEGACY_FREE |
| #else |
| #define FADT_BOOT_ARCH (ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042) |
| #endif |
| #endif |
| |
| /* |
| * Reference section 5.2.9 Fixed ACPI Description Table (FADT) |
| * in the ACPI 3.0b specification. |
| */ |
| void acpi_fill_fadt(acpi_fadt_t *fadt) |
| { |
| u16 val = 0; |
| |
| printk(BIOS_DEBUG, "ACPI_BLK_BASE: 0x%04x\n", ACPI_BLK_BASE); |
| |
| fadt->sci_int = 9; /* HUDSON 1 - IRQ 09 - ACPI SCI */ |
| |
| val = PM1_EVT_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG60, AccWidthUint16, &val); |
| val = PM1_CNT_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG62, AccWidthUint16, &val); |
| val = PM1_TMR_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG64, AccWidthUint16, &val); |
| val = GPE0_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG68, AccWidthUint16, &val); |
| |
| /* CpuControl is in \_PR.CP00, 6 bytes */ |
| val = CPU_CNT_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG66, AccWidthUint16, &val); |
| val = 0; |
| WritePMIO(SB_PMIOA_REG6A, AccWidthUint16, &val); |
| val = ACPI_PMA_CNT_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG6E, AccWidthUint16, &val); |
| |
| /* AcpiDecodeEnable, When set, SB uses the contents of the |
| * PM registers at index 60-6B to decode ACPI I/O address. |
| * AcpiSmiEn & SmiCmdEn*/ |
| val = BIT0 | BIT1 | BIT2 | BIT4; |
| WritePMIO(SB_PMIOA_REG74, AccWidthUint16, &val); |
| |
| /* RTC_En_En, TMR_En_En, GBL_EN_EN */ |
| outl(0x1, PM1_CNT_BLK_ADDRESS); /* set SCI_EN */ |
| fadt->pm1a_evt_blk = PM1_EVT_BLK_ADDRESS; |
| fadt->pm1a_cnt_blk = PM1_CNT_BLK_ADDRESS; |
| fadt->pm2_cnt_blk = ACPI_PMA_CNT_BLK_ADDRESS; |
| fadt->pm_tmr_blk = PM1_TMR_BLK_ADDRESS; |
| fadt->gpe0_blk = GPE0_BLK_ADDRESS; |
| |
| fadt->pm1_evt_len = 4; /* 32 bits */ |
| fadt->pm1_cnt_len = 2; /* 16 bits */ |
| fadt->pm2_cnt_len = 1; /* 8 bits */ |
| fadt->pm_tmr_len = 4; /* 32 bits */ |
| fadt->gpe0_blk_len = 8; /* 64 bits */ |
| |
| fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; |
| fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; |
| fadt->duty_offset = 1; /* CLK_VAL bits 3:1 */ |
| fadt->duty_width = 3; /* CLK_VAL bits 3:1 */ |
| fadt->day_alrm = 0; /* 0x7d these have to be */ |
| fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */ |
| fadt->iapc_boot_arch = FADT_BOOT_ARCH; /* See table 5-10 */ |
| fadt->res2 = 0; /* reserved, MUST be 0 ACPI 3.0 */ |
| fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */ |
| ACPI_FADT_C1_SUPPORTED | |
| ACPI_FADT_SLEEP_BUTTON | |
| ACPI_FADT_S4_RTC_WAKE | |
| ACPI_FADT_32BIT_TIMER | |
| ACPI_FADT_PCI_EXPRESS_WAKE | |
| ACPI_FADT_S4_RTC_VALID | |
| ACPI_FADT_REMOTE_POWER_ON; |
| |
| fadt->ARM_boot_arch = 0; /* Must be zero if ACPI Revision <= 5.0 */ |
| |
| fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; |
| fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8; |
| fadt->x_pm1a_evt_blk.bit_offset = 0; |
| fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; |
| fadt->x_pm1a_evt_blk.addrl = PM1_EVT_BLK_ADDRESS; |
| fadt->x_pm1a_evt_blk.addrh = 0x0; |
| |
| fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; |
| fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8; |
| fadt->x_pm1a_cnt_blk.bit_offset = 0; |
| fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED; |
| fadt->x_pm1a_cnt_blk.addrl = PM1_CNT_BLK_ADDRESS; |
| fadt->x_pm1a_cnt_blk.addrh = 0x0; |
| |
| fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; |
| fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8; |
| fadt->x_pm2_cnt_blk.bit_offset = 0; |
| fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; |
| fadt->x_pm2_cnt_blk.addrl = ACPI_PMA_CNT_BLK_ADDRESS; |
| fadt->x_pm2_cnt_blk.addrh = 0x0; |
| |
| fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO; |
| fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8; |
| fadt->x_pm_tmr_blk.bit_offset = 0; |
| fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; |
| fadt->x_pm_tmr_blk.addrl = PM1_TMR_BLK_ADDRESS; |
| fadt->x_pm_tmr_blk.addrh = 0x0; |
| |
| fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO; |
| fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8; /* EventStatus + Event Enable */ |
| fadt->x_gpe0_blk.bit_offset = 0; |
| fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; |
| fadt->x_gpe0_blk.addrl = fadt->gpe0_blk; |
| fadt->x_gpe0_blk.addrh = 0x0; |
| } |