Angel Pons | ba38f37 | 2020-04-05 15:46:45 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* This file is part of the coreboot project. */ |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 3 | |
Lee Leahy | 3247172 | 2015-04-20 15:20:28 -0700 | [diff] [blame] | 4 | #include "chip.h" |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 5 | #include <console/console.h> |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 6 | #include <device/device.h> |
| 7 | #include <device/pci.h> |
| 8 | #include <device/pci_ids.h> |
Matt DeVillier | 132bbe6 | 2017-07-01 13:02:47 -0500 | [diff] [blame] | 9 | #include <drivers/intel/gma/opregion.h> |
Matt DeVillier | 8ff2ecd | 2020-03-29 16:58:48 -0500 | [diff] [blame] | 10 | #include <drivers/intel/gma/i915.h> |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 11 | #include <reg_script.h> |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 12 | #include <soc/gfx.h> |
Matt DeVillier | 132bbe6 | 2017-07-01 13:02:47 -0500 | [diff] [blame] | 13 | #include <soc/nvs.h> |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 14 | #include <soc/pci_devs.h> |
| 15 | #include <soc/ramstage.h> |
| 16 | |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 17 | static const struct reg_script gpu_pre_vbios_script[] = { |
| 18 | /* Make sure GFX is bus master with MMIO access */ |
| 19 | REG_PCI_OR32(PCI_COMMAND, PCI_COMMAND_MASTER|PCI_COMMAND_MEMORY), |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 20 | REG_SCRIPT_END |
| 21 | }; |
| 22 | |
| 23 | static const struct reg_script gfx_post_vbios_script[] = { |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 24 | /* Set Lock bits */ |
Angel Pons | aee7ab2 | 2020-03-19 00:31:58 +0100 | [diff] [blame] | 25 | REG_PCI_RMW32(GGC, 0xffffffff, GGC_GGCLCK), |
Lee Leahy | 3247172 | 2015-04-20 15:20:28 -0700 | [diff] [blame] | 26 | REG_PCI_RMW32(GSM_BASE, 0xffffffff, GSM_BDSM_LOCK), |
| 27 | REG_PCI_RMW32(GTT_BASE, 0xffffffff, GTT_BGSM_LOCK), |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 28 | REG_SCRIPT_END |
| 29 | }; |
| 30 | |
Angel Pons | aee7ab2 | 2020-03-19 00:31:58 +0100 | [diff] [blame] | 31 | static inline void gfx_run_script(struct device *dev, const struct reg_script *ops) |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 32 | { |
| 33 | reg_script_run_on_dev(dev, ops); |
| 34 | } |
| 35 | |
Elyes HAOUAS | b13fac3 | 2018-05-24 22:29:44 +0200 | [diff] [blame] | 36 | static void gfx_pre_vbios_init(struct device *dev) |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 37 | { |
Angel Pons | aee7ab2 | 2020-03-19 00:31:58 +0100 | [diff] [blame] | 38 | printk(BIOS_SPEW, "%s/%s (%s)\n", __FILE__, __func__, dev_name(dev)); |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 39 | printk(BIOS_INFO, "GFX: Pre VBIOS Init\n"); |
| 40 | gfx_run_script(dev, gpu_pre_vbios_script); |
| 41 | } |
| 42 | |
Elyes HAOUAS | b13fac3 | 2018-05-24 22:29:44 +0200 | [diff] [blame] | 43 | static void gfx_post_vbios_init(struct device *dev) |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 44 | { |
Angel Pons | aee7ab2 | 2020-03-19 00:31:58 +0100 | [diff] [blame] | 45 | printk(BIOS_SPEW, "%s/%s (%s)\n", __FILE__, __func__, dev_name(dev)); |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 46 | printk(BIOS_INFO, "GFX: Post VBIOS Init\n"); |
| 47 | gfx_run_script(dev, gfx_post_vbios_script); |
| 48 | } |
| 49 | |
Elyes HAOUAS | b13fac3 | 2018-05-24 22:29:44 +0200 | [diff] [blame] | 50 | static void gfx_init(struct device *dev) |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 51 | { |
Angel Pons | aee7ab2 | 2020-03-19 00:31:58 +0100 | [diff] [blame] | 52 | printk(BIOS_SPEW, "%s/%s (%s)\n", __FILE__, __func__, dev_name(dev)); |
Lee Leahy | 3247172 | 2015-04-20 15:20:28 -0700 | [diff] [blame] | 53 | |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 54 | if (!CONFIG(RUN_FSP_GOP)) { |
Matt DeVillier | a9492a6 | 2018-06-20 00:40:48 -0500 | [diff] [blame] | 55 | /* Pre VBIOS Init */ |
| 56 | gfx_pre_vbios_init(dev); |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 57 | |
Matt DeVillier | a9492a6 | 2018-06-20 00:40:48 -0500 | [diff] [blame] | 58 | /* Run VBIOS */ |
| 59 | pci_dev_init(dev); |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 60 | |
Matt DeVillier | a9492a6 | 2018-06-20 00:40:48 -0500 | [diff] [blame] | 61 | /* Post VBIOS Init */ |
| 62 | gfx_post_vbios_init(dev); |
| 63 | } |
Matt DeVillier | 132bbe6 | 2017-07-01 13:02:47 -0500 | [diff] [blame] | 64 | intel_gma_restore_opregion(); |
| 65 | } |
| 66 | |
| 67 | uintptr_t gma_get_gnvs_aslb(const void *gnvs) |
| 68 | { |
| 69 | const global_nvs_t *gnvs_ptr = gnvs; |
| 70 | return (uintptr_t)(gnvs_ptr ? gnvs_ptr->aslb : 0); |
| 71 | } |
| 72 | |
| 73 | void gma_set_gnvs_aslb(void *gnvs, uintptr_t aslb) |
| 74 | { |
| 75 | global_nvs_t *gnvs_ptr = gnvs; |
| 76 | if (gnvs_ptr) |
| 77 | gnvs_ptr->aslb = aslb; |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 78 | } |
| 79 | |
Matt DeVillier | 8ff2ecd | 2020-03-29 16:58:48 -0500 | [diff] [blame] | 80 | static void gma_generate_ssdt(struct device *dev) |
| 81 | { |
| 82 | const struct soc_intel_braswell_config *chip = dev->chip_info; |
| 83 | |
| 84 | drivers_intel_gma_displays_ssdt_generate(&chip->gfx); |
| 85 | } |
| 86 | |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 87 | static struct device_operations gfx_device_ops = { |
Nico Huber | 1ef8014 | 2015-11-05 23:27:06 +0100 | [diff] [blame] | 88 | .read_resources = pci_dev_read_resources, |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 89 | .set_resources = pci_dev_set_resources, |
| 90 | .enable_resources = pci_dev_enable_resources, |
| 91 | .init = gfx_init, |
| 92 | .ops_pci = &soc_pci_ops, |
Matt DeVillier | 8ff2ecd | 2020-03-29 16:58:48 -0500 | [diff] [blame] | 93 | .acpi_fill_ssdt = gma_generate_ssdt, |
Lee Leahy | 77ff0b1 | 2015-05-05 15:07:29 -0700 | [diff] [blame] | 94 | }; |
| 95 | |
| 96 | static const struct pci_driver gfx_driver __pci_driver = { |
| 97 | .ops = &gfx_device_ops, |
| 98 | .vendor = PCI_VENDOR_ID_INTEL, |
| 99 | .device = GFX_DEVID, |
| 100 | }; |