projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| b2d544a1 SG |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| 3 | * Copyright (C) 2014, Bin Meng <[email protected]> | |
| 4 | */ | |
| 5 | ||
| 6 | #include <common.h> | |
| 30c7c434 | 7 | #include <cpu_func.h> |
| b2d544a1 SG |
8 | #include <dm.h> |
| 9 | #include <errno.h> | |
| 691d719d | 10 | #include <init.h> |
| f7ae49fc | 11 | #include <log.h> |
| b2d544a1 | 12 | #include <rtc.h> |
| 3cabcf96 | 13 | #include <acpi/acpi_s3.h> |
| b2d544a1 SG |
14 | #include <asm/cmos_layout.h> |
| 15 | #include <asm/early_cmos.h> | |
| 401d1c4f | 16 | #include <asm/global_data.h> |
| b2d544a1 SG |
17 | #include <asm/io.h> |
| 18 | #include <asm/mrccache.h> | |
| 19 | #include <asm/post.h> | |
| 20 | #include <asm/processor.h> | |
| 21 | #include <asm/fsp/fsp_support.h> | |
| 22 | ||
| 23 | DECLARE_GLOBAL_DATA_PTR; | |
| 24 | ||
| 25 | int checkcpu(void) | |
| 26 | { | |
| 27 | return 0; | |
| 28 | } | |
| 29 | ||
| 30 | int print_cpuinfo(void) | |
| 31 | { | |
| 32 | post_code(POST_CPU_INFO); | |
| 33 | return default_print_cpuinfo(); | |
| 34 | } | |
| 35 | ||
| 36 | int fsp_init_phase_pci(void) | |
| 37 | { | |
| 38 | u32 status; | |
| 39 | ||
| 40 | /* call into FspNotify */ | |
| 41 | debug("Calling into FSP (notify phase INIT_PHASE_PCI): "); | |
| 42 | status = fsp_notify(NULL, INIT_PHASE_PCI); | |
| 43 | if (status) | |
| 44 | debug("fail, error code %x\n", status); | |
| 45 | else | |
| 46 | debug("OK\n"); | |
| 47 | ||
| 48 | return status ? -EPERM : 0; | |
| 49 | } | |
| 50 | ||
| 4021ee63 | 51 | void board_final_init(void) |
| b2d544a1 SG |
52 | { |
| 53 | u32 status; | |
| 54 | ||
| 55 | /* call into FspNotify */ | |
| 56 | debug("Calling into FSP (notify phase INIT_PHASE_BOOT): "); | |
| 57 | status = fsp_notify(NULL, INIT_PHASE_BOOT); | |
| 58 | if (status) | |
| 59 | debug("fail, error code %x\n", status); | |
| 60 | else | |
| 61 | debug("OK\n"); | |
| 62 | } | |
| 63 | ||
| 7c73cea4 SG |
64 | void board_final_cleanup(void) |
| 65 | { | |
| 66 | u32 status; | |
| 67 | ||
| 68 | /* TODO([email protected]): This causes Linux to crash */ | |
| 69 | return; | |
| 70 | ||
| 71 | /* call into FspNotify */ | |
| 72 | debug("Calling into FSP (notify phase INIT_PHASE_END_FIRMWARE): "); | |
| 73 | status = fsp_notify(NULL, INIT_PHASE_END_FIRMWARE); | |
| 74 | if (status) | |
| 75 | debug("fail, error code %x\n", status); | |
| 76 | else | |
| 77 | debug("OK\n"); | |
| 78 | } | |
| 79 | ||
| b2d544a1 SG |
80 | int fsp_save_s3_stack(void) |
| 81 | { | |
| 82 | struct udevice *dev; | |
| 83 | int ret; | |
| 84 | ||
| 85 | if (gd->arch.prev_sleep_state == ACPI_S3) | |
| 86 | return 0; | |
| 87 | ||
| 88 | ret = uclass_get_device(UCLASS_RTC, 0, &dev); | |
| 89 | if (ret) { | |
| 90 | debug("Cannot find RTC: err=%d\n", ret); | |
| 91 | return -ENODEV; | |
| 92 | } | |
| 93 | ||
| 94 | /* Save the stack address to CMOS */ | |
| 95 | ret = rtc_write32(dev, CMOS_FSP_STACK_ADDR, gd->start_addr_sp); | |
| 96 | if (ret) { | |
| 97 | debug("Save stack address to CMOS: err=%d\n", ret); | |
| 98 | return -EIO; | |
| 99 | } | |
| 100 | ||
| 101 | return 0; | |
| 102 | } |