1 /* 2 * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <errno.h> 9 #include <asm/io.h> 10 #include <asm/mrccache.h> 11 #include <asm/post.h> 12 #include <asm/processor.h> 13 #include <asm/fsp/fsp_support.h> 14 15 DECLARE_GLOBAL_DATA_PTR; 16 17 int print_cpuinfo(void) 18 { 19 post_code(POST_CPU_INFO); 20 return default_print_cpuinfo(); 21 } 22 23 int fsp_init_phase_pci(void) 24 { 25 u32 status; 26 27 /* call into FspNotify */ 28 debug("Calling into FSP (notify phase INIT_PHASE_PCI): "); 29 status = fsp_notify(NULL, INIT_PHASE_PCI); 30 if (status) 31 debug("fail, error code %x\n", status); 32 else 33 debug("OK\n"); 34 35 return status ? -EPERM : 0; 36 } 37 38 void board_final_cleanup(void) 39 { 40 u32 status; 41 42 /* call into FspNotify */ 43 debug("Calling into FSP (notify phase INIT_PHASE_BOOT): "); 44 status = fsp_notify(NULL, INIT_PHASE_BOOT); 45 if (status) 46 debug("fail, error code %x\n", status); 47 else 48 debug("OK\n"); 49 50 return; 51 } 52 53 static __maybe_unused void *fsp_prepare_mrc_cache(void) 54 { 55 struct mrc_data_container *cache; 56 struct mrc_region entry; 57 int ret; 58 59 ret = mrccache_get_region(NULL, &entry); 60 if (ret) 61 return NULL; 62 63 cache = mrccache_find_current(&entry); 64 if (!cache) 65 return NULL; 66 67 debug("%s: mrc cache at %p, size %x checksum %04x\n", __func__, 68 cache->data, cache->data_size, cache->checksum); 69 70 return cache->data; 71 } 72 73 int x86_fsp_init(void) 74 { 75 void *nvs; 76 77 if (!gd->arch.hob_list) { 78 #ifdef CONFIG_ENABLE_MRC_CACHE 79 nvs = fsp_prepare_mrc_cache(); 80 #else 81 nvs = NULL; 82 #endif 83 /* 84 * The first time we enter here, call fsp_init(). 85 * Note the execution does not return to this function, 86 * instead it jumps to fsp_continue(). 87 */ 88 fsp_init(CONFIG_FSP_TEMP_RAM_ADDR, BOOT_FULL_CONFIG, nvs); 89 } else { 90 /* 91 * The second time we enter here, adjust the size of malloc() 92 * pool before relocation. Given gd->malloc_base was adjusted 93 * after the call to board_init_f_init_reserve() in arch/x86/ 94 * cpu/start.S, we should fix up gd->malloc_limit here. 95 */ 96 gd->malloc_limit += CONFIG_FSP_SYS_MALLOC_F_LEN; 97 } 98 99 return 0; 100 } 101