| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include "chip.h" |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <drivers/intel/gma/opregion.h> |
| #include <drivers/intel/gma/i915.h> |
| #include <reg_script.h> |
| #include <soc/gfx.h> |
| #include <soc/pci_devs.h> |
| #include <soc/ramstage.h> |
| |
| static const struct reg_script gpu_pre_vbios_script[] = { |
| /* Make sure GFX is bus master with MMIO access */ |
| REG_PCI_OR32(PCI_COMMAND, PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY), |
| REG_SCRIPT_END |
| }; |
| |
| static const struct reg_script gfx_post_vbios_script[] = { |
| /* Set Lock bits */ |
| REG_PCI_RMW32(GGC, 0xffffffff, GGC_GGCLCK), |
| REG_PCI_RMW32(GSM_BASE, 0xffffffff, GSM_BDSM_LOCK), |
| REG_PCI_RMW32(GTT_BASE, 0xffffffff, GTT_BGSM_LOCK), |
| REG_SCRIPT_END |
| }; |
| |
| static inline void gfx_run_script(struct device *dev, const struct reg_script *ops) |
| { |
| reg_script_run_on_dev(dev, ops); |
| } |
| |
| static void gfx_pre_vbios_init(struct device *dev) |
| { |
| printk(BIOS_INFO, "GFX: Pre VBIOS Init\n"); |
| gfx_run_script(dev, gpu_pre_vbios_script); |
| } |
| |
| static void gfx_post_vbios_init(struct device *dev) |
| { |
| printk(BIOS_INFO, "GFX: Post VBIOS Init\n"); |
| gfx_run_script(dev, gfx_post_vbios_script); |
| } |
| |
| static void gfx_init(struct device *dev) |
| { |
| intel_gma_init_igd_opregion(); |
| |
| if (!CONFIG(RUN_FSP_GOP)) { |
| /* Pre VBIOS Init */ |
| gfx_pre_vbios_init(dev); |
| |
| /* Run VBIOS */ |
| pci_dev_init(dev); |
| |
| /* Post VBIOS Init */ |
| gfx_post_vbios_init(dev); |
| } |
| } |
| |
| static void gma_generate_ssdt(const struct device *dev) |
| { |
| const struct soc_intel_braswell_config *chip = dev->chip_info; |
| |
| drivers_intel_gma_displays_ssdt_generate(&chip->gfx); |
| } |
| |
| static struct device_operations gfx_device_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = gfx_init, |
| .ops_pci = &soc_pci_ops, |
| .acpi_fill_ssdt = gma_generate_ssdt, |
| }; |
| |
| static const struct pci_driver gfx_driver __pci_driver = { |
| .ops = &gfx_device_ops, |
| .vendor = PCI_VID_INTEL, |
| .device = GFX_DEVID, |
| }; |