diff options
Diffstat (limited to 'src/northbridge/intel/fsp_sandybridge/gma.c')
| -rw-r--r-- | src/northbridge/intel/fsp_sandybridge/gma.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/northbridge/intel/fsp_sandybridge/gma.c b/src/northbridge/intel/fsp_sandybridge/gma.c deleted file mode 100644 index cba58698d1..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/gma.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2011 Chromium OS Authors - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <arch/io.h> -#include <console/console.h> -#include <delay.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <southbridge/intel/fsp_bd82x6x/nvs.h> -#include <drivers/intel/gma/opregion.h> -#include <drivers/intel/gma/intel_bios.h> - -#include <cbmem.h> - -#include "chip.h" -#include "northbridge.h" - - -/* some vga option roms are used for several chipsets but they only have one - * PCI ID in their header. If we encounter such an option rom, we need to do - * the mapping ourselves - */ - -u32 map_oprom_vendev(u32 vendev) -{ - u32 new_vendev = vendev; - - switch (vendev) { - case 0x80860102: /* GT1 Desktop */ - case 0x8086010a: /* GT1 Server */ - case 0x80860112: /* GT2 Desktop */ - case 0x80860116: /* GT2 Mobile */ - case 0x80860122: /* GT2 Desktop >=1.3GHz */ - case 0x80860126: /* GT2 Mobile >=1.3GHz */ - case 0x80860166: /* IVB */ - new_vendev = 0x80860106; /* GT1 Mobile */ - break; - } - - return new_vendev; -} - -uintptr_t gma_get_gnvs_aslb(const void *gnvs) -{ - const global_nvs_t *gnvs_ptr = gnvs; - return (uintptr_t)(gnvs_ptr ? gnvs_ptr->aslb : 0); -} - -void gma_set_gnvs_aslb(void *gnvs, uintptr_t aslb) -{ - global_nvs_t *gnvs_ptr = gnvs; - if (gnvs_ptr) - gnvs_ptr->aslb = aslb; -} - -static void gma_set_subsystem(struct device *dev, unsigned int vendor, - unsigned int device) -{ - if (!vendor || !device) { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - pci_read_config32(dev, PCI_VENDOR_ID)); - } else { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - ((device & 0xffff) << 16) | (vendor & 0xffff)); - } -} - -const struct i915_gpu_controller_info * -intel_gma_get_controller_info(void) -{ - struct device *dev = dev_find_slot(0, PCI_DEVFN(0x2,0)); - if (!dev) { - return NULL; - } - struct northbridge_intel_fsp_sandybridge_config *chip = dev->chip_info; - return &chip->gfx; -} - -static void gma_ssdt(struct device *device) -{ - const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info(); - if (!gfx) { - return; - } - - drivers_intel_gma_displays_ssdt_generate(gfx); -} - -/* Enable SCI to ACPI _GPE._L06 */ -static void gma_enable_swsci(void) -{ - u16 reg16; - - /* clear DMISCI status */ - reg16 = inw(DEFAULT_PMBASE + TCO1_STS); - reg16 &= DMISCI_STS; - outw(DEFAULT_PMBASE + TCO1_STS, reg16); - - /* clear acpi tco status */ - outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS); - - /* enable acpi tco scis */ - reg16 = inw(DEFAULT_PMBASE + GPE0_EN); - reg16 |= TCOSCI_EN; - outw(DEFAULT_PMBASE + GPE0_EN, reg16); -} - -static void gma_init(struct device *dev) -{ - pci_dev_init(dev); - - gma_enable_swsci(); - intel_gma_restore_opregion(); -} - -static unsigned long -gma_write_acpi_tables(struct device *const dev, - unsigned long current, - struct acpi_rsdp *const rsdp) -{ - igd_opregion_t *opregion = (igd_opregion_t *)current; - global_nvs_t *gnvs; - - if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS) - return current; - - current += sizeof(igd_opregion_t); - - /* GNVS has been already set up */ - gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); - if (gnvs) { - /* IGD OpRegion Base Address */ - gma_set_gnvs_aslb(gnvs, (uintptr_t)opregion); - } else { - printk(BIOS_ERR, "Error: GNVS table not found.\n"); - } - - current = acpi_align_current(current); - return current; -} - -static struct pci_operations gma_pci_ops = { - .set_subsystem = gma_set_subsystem, -}; - -static struct device_operations gma_func0_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .acpi_fill_ssdt_generator = gma_ssdt, - .init = gma_init, - .scan_bus = 0, - .enable = 0, - .ops_pci = &gma_pci_ops, - .write_acpi_tables = gma_write_acpi_tables, -}; - -static const unsigned short gma_ids[] = { - 0x0102, 0x0106, 0x010a, 0x0112, 0x0116, 0x0122, 0x0126, 0x166, - 0, -}; -static const struct pci_driver gma_gt1_desktop __pci_driver = { - .ops = &gma_func0_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .devices= gma_ids, -}; |