xref: /openbmc/u-boot/arch/arm/mach-aspeed/ast2600/spl.c (revision b8233483f822dc441692cc7df659e402e7edcd1b)
1 /*
2  * (C) Copyright ASPEED Technology Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 #include <common.h>
7 #include <debug_uart.h>
8 #include <spl.h>
9 #include <dm.h>
10 #include <mmc.h>
11 #include <xyzModem.h>
12 #include <asm/io.h>
13 #include <asm/arch/aspeed_verify.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 #define AST_BOOTMODE_SPI	0
18 #define AST_BOOTMODE_EMMC	1
19 #define AST_BOOTMODE_UART	2
20 
21 u32 aspeed_bootmode(void);
22 void aspeed_mmc_init(void);
23 
24 void board_init_f(ulong dummy)
25 {
26 #ifndef CONFIG_SPL_TINY
27 	spl_early_init();
28 	timer_init();
29 	preloader_console_init();
30 	dram_init();
31 	aspeed_mmc_init();
32 #endif
33 }
34 
35 #ifdef CONFIG_SPL_BOARD_INIT
36 void spl_board_init(void)
37 {
38 	struct udevice *dev;
39 
40 	if (uclass_get_device_by_driver(UCLASS_MISC,
41 					DM_GET_DRIVER(aspeed_hace),
42 					&dev)) {
43 		debug("Warning: HACE initialization failure\n");
44 	}
45 }
46 #endif
47 
48 u32 spl_boot_device(void)
49 {
50 #ifdef CONFIG_ASPEED_LOADERS
51 	switch (aspeed_bootmode()) {
52 	case AST_BOOTMODE_EMMC:
53 		return (IS_ENABLED(CONFIG_ASPEED_SECURE_BOOT))?
54 			ASPEED_SECBOOT_DEVICE_MMC : ASPEED_BOOT_DEVICE_MMC;
55 	case AST_BOOTMODE_SPI:
56 		return (IS_ENABLED(CONFIG_ASPEED_SECURE_BOOT))?
57 			ASPEED_SECBOOT_DEVICE_RAM : ASPEED_BOOT_DEVICE_RAM;
58 	case AST_BOOTMODE_UART:
59 		return (IS_ENABLED(CONFIG_ASPEED_SECURE_BOOT))?
60 			ASPEED_SECBOOT_DEVICE_UART : ASPEED_BOOT_DEVICE_UART;
61 	default:
62 		break;
63 	}
64 #endif
65 
66 	return BOOT_DEVICE_NONE;
67 }
68 
69 #ifdef CONFIG_SPL_OS_BOOT
70 int spl_start_uboot(void)
71 {
72 	/* boot linux */
73 	return 0;
74 }
75 #endif
76 
77 int board_fit_config_name_match(const char *name)
78 {
79 	/* we always use the default configuration */
80 	debug("%s: %s\n", __func__, name);
81 	return 0;
82 }
83 
84 struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
85 {
86 	return (struct image_header *)(CONFIG_SYS_LOAD_ADDR);
87 }
88