| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <pc80/isa-dma.h> |
| #include <pc80/i8259.h> |
| #include <arch/io.h> |
| #include <device/pci_ops.h> |
| #include <arch/ioapic.h> |
| #include <intelblocks/itss.h> |
| #include <intelblocks/lpc_lib.h> |
| #include <soc/iomap.h> |
| #include <soc/irq.h> |
| #include <soc/lpc.h> |
| #include <soc/pci_devs.h> |
| #include <soc/pcr_ids.h> |
| |
| #include "chip.h" |
| |
| void soc_get_gen_io_dec_range(uint32_t gen_io_dec[LPC_NUM_GENERIC_IO_RANGES]) |
| { |
| const config_t *config = config_of_soc(); |
| |
| gen_io_dec[0] = config->gen1_dec; |
| gen_io_dec[1] = config->gen2_dec; |
| gen_io_dec[2] = config->gen3_dec; |
| gen_io_dec[3] = config->gen4_dec; |
| } |
| |
| #if ENV_RAMSTAGE |
| void lpc_soc_init(struct device *dev) |
| { |
| const config_t *config = dev->chip_info; |
| |
| /* Legacy initialization */ |
| isa_dma_init(); |
| pch_misc_init(); |
| |
| /* Enable CLKRUN_EN for power gating LPC */ |
| lpc_enable_pci_clk_cntl(); |
| |
| /* Set LPC Serial IRQ mode */ |
| lpc_set_serirq_mode(config->serirq_mode); |
| |
| /* Interrupt configuration */ |
| pch_enable_ioapic(); |
| pch_pirq_init(); |
| setup_i8259(); |
| i8259_configure_irq_trigger(9, 1); |
| } |
| |
| /* Fill up LPC IO resource structure inside SoC directory */ |
| void pch_lpc_soc_fill_io_resources(struct device *dev) |
| { |
| /* |
| * PMC pci device gets hidden from PCI bus due to Silicon |
| * policy hence bind ACPI BASE aka ABASE (offset 0x20) with |
| * LPC IO resources to ensure that ABASE falls under PCI reserved |
| * IO memory range. |
| * |
| * Note: Don't add any more resource with same offset 0x20 |
| * under this device space. |
| */ |
| pch_lpc_add_new_resource(dev, PCI_BASE_ADDRESS_4, |
| ACPI_BASE_ADDRESS, ACPI_BASE_SIZE, IORESOURCE_IO | |
| IORESOURCE_ASSIGNED | IORESOURCE_FIXED); |
| } |
| |
| #endif |