/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include unsigned long acpi_fill_madt(unsigned long current) { return current; } unsigned long acpi_fill_mcfg(unsigned long current) { return current; } void acpi_fill_fadt(acpi_fadt_t *fadt) { struct device *dev = pcidev_on_root(PCI_DEVICE_NUMBER_QNC_LPC, PCI_FUNCTION_NUMBER_QNC_LPC); uint32_t gpe0_base = pci_read_config32(dev, R_QNC_LPC_GPE0BLK) & B_QNC_LPC_GPE0BLK_MASK; uint32_t pmbase = pci_read_config32(dev, R_QNC_LPC_PM1BLK) & B_QNC_LPC_PM1BLK_MASK; fadt->flags = ACPI_FADT_RESET_REGISTER | ACPI_FADT_PLATFORM_CLOCK; /* PM1 Status: ACPI 4.8.3.1.1 */ fadt->pm1a_evt_blk = pmbase + R_QNC_PM1BLK_PM1S; fadt->pm1_evt_len = 2; 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 = pmbase + R_QNC_PM1BLK_PM1S; fadt->x_pm1a_evt_blk.addrh = 0x0; /* PM1 Control: ACPI 4.8.3.2.1 */ fadt->pm1a_cnt_blk = pmbase + R_QNC_PM1BLK_PM1C; fadt->pm1_cnt_len = 2; 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_WORD_ACCESS; fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk; fadt->x_pm1a_cnt_blk.addrh = 0x0; /* PM Timer: ACPI 4.8.3.3 */ fadt->pm_tmr_blk = pmbase + R_QNC_PM1BLK_PM1T; fadt->pm_tmr_len = 4; 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 = fadt->pm_tmr_blk; fadt->x_pm_tmr_blk.addrh = 0x0; /* Reset Register: ACPI 4.8.3.6, 5.2.3.2 */ fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO; fadt->reset_reg.bit_width = 8; fadt->reset_reg.bit_offset = 0; fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; fadt->reset_reg.addrl = 0xcf9; fadt->reset_reg.addrh = 0; /* Soft/Warm Reset */ fadt->reset_value = 6; /* General-Purpose Event 0 Registers: ACPI 4.8.4.1 */ fadt->gpe0_blk = gpe0_base; fadt->gpe0_blk_len = 4 * 2; fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO; fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8; 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 = 0; /* Display the base registers */ printk(BIOS_SPEW, "FADT:\n"); printk(BIOS_SPEW, " 0x%08x: GPE0_BASE\n", gpe0_base); printk(BIOS_SPEW, " 0x%08x: PMBASE\n", pmbase); printk(BIOS_SPEW, " 0x%08x: RESET\n", fadt->reset_reg.addrl); } uint16_t get_pmbase(void) { struct device *dev = pcidev_on_root(PCI_DEVICE_NUMBER_QNC_LPC, PCI_FUNCTION_NUMBER_QNC_LPC); return (uint16_t) pci_read_config32(dev, R_QNC_LPC_PM1BLK) & B_QNC_LPC_PM1BLK_MASK; }