From fa7cc7823a996d7ccfae754b269412c6b807744d Mon Sep 17 00:00:00 2001 From: Subrata Banik Date: Mon, 27 Nov 2017 18:23:36 +0530 Subject: soc/intel/common/block: Add Intel common Graphics controller support SoC need to select specific macros to compile common graphics code. Change-Id: Idbc73854ce9fc21a8a3e3663a98e01fc94d5a5e4 Signed-off-by: Subrata Banik Reviewed-on: https://review.coreboot.org/22614 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh Reviewed-by: Aaron Durbin --- src/soc/intel/common/block/graphics/graphics.c | 136 +++++++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 src/soc/intel/common/block/graphics/graphics.c (limited to 'src/soc/intel/common/block/graphics/graphics.c') diff --git a/src/soc/intel/common/block/graphics/graphics.c b/src/soc/intel/common/block/graphics/graphics.c new file mode 100644 index 0000000000..544ae96231 --- /dev/null +++ b/src/soc/intel/common/block/graphics/graphics.c @@ -0,0 +1,136 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 Intel Corp. + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 +#include +#include +#include +#include + +/* SoC Overrides */ +__attribute__((weak)) void graphics_soc_init(struct device *dev) +{ + /* + * User needs to implement SoC override incase wishes + * to perform certain specific graphics initialization + * along with pci_dev_init(dev) + */ + pci_dev_init(dev); +} + +static uintptr_t graphics_get_bar(unsigned long index) +{ + struct device *dev = SA_DEV_IGD; + struct resource *gm_res; + + /* Check if Graphics PCI device is disabled */ + if (!dev->enabled) + return 0; + + gm_res = find_resource(dev, index); + if (!gm_res) + return 0; + + return gm_res->base; +} + +uintptr_t graphics_get_memory_base(void) +{ + /* + * GFX PCI config space offset 0x18 know as Graphics + * Memory Range Address (GMADR) + */ + uintptr_t memory_base = graphics_get_bar(PCI_BASE_ADDRESS_2); + if (!memory_base) + die("GMADR is not programmed!"); + + return memory_base; +} + +static uintptr_t graphics_get_gtt_base(void) +{ + /* + * GFX PCI config space offset 0x10 know as Graphics + * Translation Table Memory Mapped Range Address + * (GTTMMADR) + */ + static uintptr_t gtt_base; + if (!gtt_base) { + gtt_base = graphics_get_bar(PCI_BASE_ADDRESS_0); + if (!gtt_base) + die("GTTMMADR is not programmed!"); + } + return gtt_base; +} + +uint32_t graphics_gtt_read(unsigned long reg) +{ + return read32((void *)(graphics_get_gtt_base() + reg)); +} + +void graphics_gtt_write(unsigned long reg, uint32_t data) +{ + write32((void *)(graphics_get_gtt_base() + reg), data); +} + +void graphics_gtt_rmw(unsigned long reg, uint32_t andmask, uint32_t ormask) +{ + uint32_t val = graphics_gtt_read(reg); + val &= andmask; + val |= ormask; + graphics_gtt_write(reg, val); +} + +static const struct device_operations graphics_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = graphics_soc_init, + .write_acpi_tables = graphics_soc_write_acpi_opregion, +}; + +static const unsigned short pci_device_ids[] = { + PCI_DEVICE_ID_INTEL_APL_IGD_HD_505, + PCI_DEVICE_ID_INTEL_APL_IGD_HD_500, + PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_1, + PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_2, + PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_3, + PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_4, + PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_1, + PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_2, + PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_3, + PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_4, + PCI_DEVICE_ID_INTEL_GLK_IGD, + PCI_DEVICE_ID_INTEL_GLK_IGD_EU12, + PCI_DEVICE_ID_INTEL_KBL_GT1_SULTM, + PCI_DEVICE_ID_INTEL_KBL_GT2_SULXM, + PCI_DEVICE_ID_INTEL_KBL_GT2_SULTM, + PCI_DEVICE_ID_INTEL_KBL_GT2_SULTMR, + PCI_DEVICE_ID_INTEL_KBL_GT2_SHALM, + PCI_DEVICE_ID_INTEL_SKL_GT1_SULTM, + PCI_DEVICE_ID_INTEL_SKL_GT2_SULXM, + PCI_DEVICE_ID_INTEL_SKL_GT2_SULTM, + PCI_DEVICE_ID_INTEL_SKL_GT2_SHALM, + PCI_DEVICE_ID_INTEL_SKL_GT2_SWKSM, + PCI_DEVICE_ID_INTEL_SKL_GT4_SHALM, + 0, +}; + +static const struct pci_driver graphics_driver __pci_driver = { + .ops = &graphics_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; -- cgit v1.2.3