Angel Pons | ae59387 | 2020-04-04 18:50:57 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 2 | |
Arthur Heymans | 615818f | 2022-05-31 21:33:43 +0200 | [diff] [blame] | 3 | #include <acpi/acpi.h> |
Felix Held | dd2f3fa | 2021-02-08 22:23:54 +0100 | [diff] [blame] | 4 | #include <amdblocks/cpu.h> |
Felix Held | 199b10f | 2022-08-13 00:29:23 +0200 | [diff] [blame] | 5 | #include <amdblocks/iomap.h> |
Felix Held | f1093af | 2021-07-13 23:00:26 +0200 | [diff] [blame] | 6 | #include <amdblocks/mca.h> |
Felix Held | a5cdf75 | 2021-03-10 15:47:00 +0100 | [diff] [blame] | 7 | #include <amdblocks/reset.h> |
Felix Held | bc13481 | 2021-02-10 02:26:10 +0100 | [diff] [blame] | 8 | #include <amdblocks/smm.h> |
Felix Held | f142ba5 | 2021-04-22 18:26:43 +0200 | [diff] [blame] | 9 | #include <assert.h> |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 10 | #include <console/console.h> |
Zheng Bao | 6ba591b | 2020-06-09 09:47:06 +0800 | [diff] [blame] | 11 | #include <cpu/amd/microcode.h> |
Arthur Heymans | 615818f | 2022-05-31 21:33:43 +0200 | [diff] [blame] | 12 | #include <cpu/amd/mtrr.h> |
| 13 | #include <cpu/cpu.h> |
| 14 | #include <cpu/x86/mp.h> |
| 15 | #include <cpu/x86/msr.h> |
| 16 | #include <cpu/x86/mtrr.h> |
| 17 | #include <cpu/x86/smm.h> |
| 18 | #include <device/device.h> |
| 19 | #include <device/pci_ops.h> |
| 20 | #include <soc/cpu.h> |
| 21 | #include <soc/iomap.h> |
| 22 | #include <soc/pci_devs.h> |
| 23 | #include <soc/smi.h> |
Felix Held | d27ef5b | 2021-10-20 20:18:12 +0200 | [diff] [blame] | 24 | #include <types.h> |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 25 | |
Felix Held | f142ba5 | 2021-04-22 18:26:43 +0200 | [diff] [blame] | 26 | _Static_assert(CONFIG_MAX_CPUS == 8, "Do not override MAX_CPUS. To reduce the number of " |
| 27 | "available cores, use the downcore_mode and disable_smt devicetree settings instead."); |
| 28 | |
Felix Held | 79f5feb | 2021-04-22 18:49:49 +0200 | [diff] [blame] | 29 | /* MP and SMM loading initialization. */ |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 30 | |
| 31 | /* |
| 32 | * Do essential initialization tasks before APs can be fired up - |
| 33 | * |
| 34 | * 1. Prevent race condition in MTRR solution. Enable MTRRs on the BSP. This |
| 35 | * creates the MTRR solution that the APs will use. Otherwise APs will try to |
| 36 | * apply the incomplete solution as the BSP is calculating it. |
| 37 | */ |
| 38 | static void pre_mp_init(void) |
| 39 | { |
Arthur Heymans | 615818f | 2022-05-31 21:33:43 +0200 | [diff] [blame] | 40 | const msr_t syscfg = rdmsr(SYSCFG_MSR); |
| 41 | if (syscfg.lo & SYSCFG_MSR_TOM2WB) |
| 42 | x86_setup_mtrrs_with_detect_no_above_4gb(); |
| 43 | else |
| 44 | x86_setup_mtrrs_with_detect(); |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 45 | x86_mtrr_check(); |
| 46 | } |
| 47 | |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 48 | static const struct mp_ops mp_ops = { |
| 49 | .pre_mp_init = pre_mp_init, |
| 50 | .get_cpu_count = get_cpu_count, |
| 51 | .get_smm_info = get_smm_info, |
Felix Held | bc13481 | 2021-02-10 02:26:10 +0100 | [diff] [blame] | 52 | .relocation_handler = smm_relocation_handler, |
Arthur Heymans | a19bc34 | 2022-05-31 21:25:53 +0200 | [diff] [blame] | 53 | .post_mp_init = global_smi_enable, |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 54 | }; |
| 55 | |
Kyösti Mälkki | 79e12ab | 2020-05-31 09:21:07 +0300 | [diff] [blame] | 56 | void mp_init_cpus(struct bus *cpu_bus) |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 57 | { |
Felix Held | 28a0a14 | 2021-11-02 17:15:58 +0100 | [diff] [blame] | 58 | if (mp_init_with_smm(cpu_bus, &mp_ops) != CB_SUCCESS) |
| 59 | die_with_post_code(POST_HW_INIT_FAILURE, |
| 60 | "mp_init_with_smm failed. Halting.\n"); |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 61 | |
Raul E Rangel | 93375f2 | 2020-06-05 15:48:21 -0600 | [diff] [blame] | 62 | /* pre_mp_init made the flash not cacheable. Reset to WP for performance. */ |
Felix Held | 199b10f | 2022-08-13 00:29:23 +0200 | [diff] [blame] | 63 | mtrr_use_temp_range(FLASH_BELOW_4GB_MAPPING_REGION_BASE, |
| 64 | FLASH_BELOW_4GB_MAPPING_REGION_SIZE, MTRR_TYPE_WRPROT); |
Arthur Heymans | a19bc34 | 2022-05-31 21:25:53 +0200 | [diff] [blame] | 65 | |
| 66 | /* SMMINFO only needs to be set up when booting from S5 */ |
| 67 | if (!acpi_is_wakeup_s3()) |
| 68 | apm_control(APM_CNT_SMMINFO); |
| 69 | |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 70 | } |
| 71 | |
Marshall Dawson | 34c3056 | 2019-07-16 15:18:00 -0600 | [diff] [blame] | 72 | static void model_17_init(struct device *dev) |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 73 | { |
| 74 | check_mca(); |
Chris Wang | e2497d0 | 2020-08-03 22:36:13 +0800 | [diff] [blame] | 75 | set_cstate_io_addr(); |
Zheng Bao | 6ba591b | 2020-06-09 09:47:06 +0800 | [diff] [blame] | 76 | |
| 77 | amd_update_microcode_from_cbfs(); |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | static struct device_operations cpu_dev_ops = { |
Marshall Dawson | 34c3056 | 2019-07-16 15:18:00 -0600 | [diff] [blame] | 81 | .init = model_17_init, |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 82 | }; |
| 83 | |
| 84 | static struct cpu_device_id cpu_table[] = { |
Felix Held | 53c173e | 2020-11-05 17:24:18 +0100 | [diff] [blame] | 85 | { X86_VENDOR_AMD, RAVEN1_B0_CPUID}, |
Felix Held | ab114c9 | 2020-05-22 02:40:40 +0200 | [diff] [blame] | 86 | { X86_VENDOR_AMD, PICASSO_B0_CPUID }, |
| 87 | { X86_VENDOR_AMD, PICASSO_B1_CPUID }, |
| 88 | { X86_VENDOR_AMD, RAVEN2_A0_CPUID }, |
| 89 | { X86_VENDOR_AMD, RAVEN2_A1_CPUID }, |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 90 | { 0, 0 }, |
| 91 | }; |
| 92 | |
Marshall Dawson | 34c3056 | 2019-07-16 15:18:00 -0600 | [diff] [blame] | 93 | static const struct cpu_driver model_17 __cpu_driver = { |
Martin Roth | 5c354b9 | 2019-04-22 14:55:16 -0600 | [diff] [blame] | 94 | .ops = &cpu_dev_ops, |
| 95 | .id_table = cpu_table, |
| 96 | }; |