xref: /openbmc/u-boot/arch/x86/lib/fsp/fsp_common.c (revision 610751e9)
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/post.h>
11 #include <asm/processor.h>
12 #include <asm/fsp/fsp_support.h>
13 
14 DECLARE_GLOBAL_DATA_PTR;
15 
16 int print_cpuinfo(void)
17 {
18 	post_code(POST_CPU_INFO);
19 	return default_print_cpuinfo();
20 }
21 
22 int fsp_init_phase_pci(void)
23 {
24 	u32 status;
25 
26 	/* call into FspNotify */
27 	debug("Calling into FSP (notify phase INIT_PHASE_PCI): ");
28 	status = fsp_notify(NULL, INIT_PHASE_PCI);
29 	if (status)
30 		debug("fail, error code %x\n", status);
31 	else
32 		debug("OK\n");
33 
34 	return status ? -EPERM : 0;
35 }
36 
37 int board_pci_post_scan(struct pci_controller *hose)
38 {
39 	return fsp_init_phase_pci();
40 }
41 
42 void board_final_cleanup(void)
43 {
44 	u32 status;
45 
46 	/* call into FspNotify */
47 	debug("Calling into FSP (notify phase INIT_PHASE_BOOT): ");
48 	status = fsp_notify(NULL, INIT_PHASE_BOOT);
49 	if (status)
50 		debug("fail, error code %x\n", status);
51 	else
52 		debug("OK\n");
53 
54 	return;
55 }
56 
57 int x86_fsp_init(void)
58 {
59 	if (!gd->arch.hob_list) {
60 		/*
61 		 * The first time we enter here, call fsp_init().
62 		 * Note the execution does not return to this function,
63 		 * instead it jumps to fsp_continue().
64 		 */
65 		fsp_init(CONFIG_FSP_TEMP_RAM_ADDR, BOOT_FULL_CONFIG, NULL);
66 	} else {
67 		/*
68 		 * The second time we enter here, adjust the size of malloc()
69 		 * pool before relocation. Given gd->malloc_base was adjusted
70 		 * after the call to board_init_f_mem() in arch/x86/cpu/start.S,
71 		 * we should fix up gd->malloc_limit here.
72 		 */
73 		gd->malloc_limit += CONFIG_FSP_SYS_MALLOC_F_LEN;
74 	}
75 
76 	return 0;
77 }
78