| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <device/pci_ops.h> |
| #include <soc/acpi.h> |
| #include <soc/ramstage.h> |
| |
| unsigned long acpi_fill_madt(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_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; |
| |
| /* 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; |
| } |