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9f3183d2 MH |
1 | /* |
2 | * Copyright 2014-2015 Freescale Semiconductor, Inc. | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
8 | #include <spl.h> | |
9 | #include <asm/io.h> | |
10 | #include <fsl_ifc.h> | |
9f3183d2 | 11 | #include <i2c.h> |
8e59778b YS |
12 | #include <fsl_csu.h> |
13 | #include <asm/arch/fdt.h> | |
14 | #include <asm/arch/ppa.h> | |
9f3183d2 MH |
15 | |
16 | DECLARE_GLOBAL_DATA_PTR; | |
17 | ||
18 | u32 spl_boot_device(void) | |
19 | { | |
20 | #ifdef CONFIG_SPL_MMC_SUPPORT | |
21 | return BOOT_DEVICE_MMC1; | |
22 | #endif | |
23 | #ifdef CONFIG_SPL_NAND_SUPPORT | |
24 | return BOOT_DEVICE_NAND; | |
25 | #endif | |
26 | return 0; | |
27 | } | |
28 | ||
9f3183d2 | 29 | #ifdef CONFIG_SPL_BUILD |
70f9661c RG |
30 | |
31 | void spl_board_init(void) | |
32 | { | |
33 | #if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_LSCH2) | |
34 | /* | |
35 | * In case of Secure Boot, the IBR configures the SMMU | |
36 | * to allow only Secure transactions. | |
37 | * SMMU must be reset in bypass mode. | |
38 | * Set the ClientPD bit and Clear the USFCFG Bit | |
39 | */ | |
40 | u32 val; | |
41 | val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK); | |
42 | out_le32(SMMU_SCR0, val); | |
43 | val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK); | |
44 | out_le32(SMMU_NSCR0, val); | |
45 | #endif | |
8e59778b YS |
46 | #ifdef CONFIG_LAYERSCAPE_NS_ACCESS |
47 | enable_layerscape_ns_access(); | |
48 | #endif | |
49 | #ifdef CONFIG_SPL_FSL_LS_PPA | |
50 | ppa_init(); | |
51 | #endif | |
70f9661c RG |
52 | } |
53 | ||
9f3183d2 MH |
54 | void board_init_f(ulong dummy) |
55 | { | |
9f3183d2 MH |
56 | /* Clear global data */ |
57 | memset((void *)gd, 0, sizeof(gd_t)); | |
9f3183d2 MH |
58 | board_early_init_f(); |
59 | timer_init(); | |
4a3ab193 | 60 | #ifdef CONFIG_ARCH_LS2080A |
9f3183d2 MH |
61 | env_init(); |
62 | #endif | |
63 | get_clocks(); | |
64 | ||
65 | preloader_console_init(); | |
d1fc0a31 | 66 | spl_set_bd(); |
9f3183d2 MH |
67 | |
68 | #ifdef CONFIG_SPL_I2C_SUPPORT | |
69 | i2c_init_all(); | |
1fab98fb RB |
70 | #endif |
71 | #ifdef CONFIG_VID | |
72 | init_func_vid(); | |
9f3183d2 MH |
73 | #endif |
74 | dram_init(); | |
8e59778b YS |
75 | #ifdef CONFIG_SPL_FSL_LS_PPA |
76 | #ifndef CONFIG_SYS_MEM_RESERVE_SECURE | |
77 | #error Need secure RAM for PPA | |
9f3183d2 | 78 | #endif |
8e59778b YS |
79 | /* |
80 | * Secure memory location is determined in dram_init_banksize(). | |
81 | * gd->ram_size is deducted by the size of secure ram. | |
82 | */ | |
83 | dram_init_banksize(); | |
84 | ||
85 | /* | |
86 | * After dram_init_bank_size(), we know U-Boot only uses the first | |
87 | * memory bank regardless how big the memory is. | |
88 | */ | |
89 | gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size; | |
90 | ||
91 | /* | |
92 | * If PPA is loaded, U-Boot will resume running at EL2. | |
93 | * Cache and MMU will be enabled. Need a place for TLB. | |
94 | * U-Boot will be relocated to the end of available memory | |
95 | * in first bank. At this point, we cannot know how much | |
96 | * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK | |
97 | * to avoid overlapping. As soon as the RAM version U-Boot sets | |
98 | * up new MMU, this space is no longer needed. | |
99 | */ | |
100 | gd->ram_top -= SPL_TLB_SETBACK; | |
101 | gd->arch.tlb_size = PGTABLE_SIZE; | |
102 | gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1); | |
103 | gd->arch.tlb_allocated = gd->arch.tlb_addr; | |
104 | #endif /* CONFIG_SPL_FSL_LS_PPA */ | |
105 | } | |
fb97b862 YS |
106 | |
107 | #ifdef CONFIG_SPL_OS_BOOT | |
108 | /* | |
109 | * Return | |
110 | * 0 if booting into OS is selected | |
111 | * 1 if booting into U-Boot is selected | |
112 | */ | |
113 | int spl_start_uboot(void) | |
114 | { | |
115 | env_init(); | |
116 | if (env_get_yesno("boot_os") != 0) | |
117 | return 0; | |
118 | ||
119 | return 1; | |
120 | } | |
121 | #endif /* CONFIG_SPL_OS_BOOT */ | |
122 | #ifdef CONFIG_SPL_LOAD_FIT | |
123 | int board_fit_config_name_match(const char *name) | |
124 | { | |
125 | /* Just empty function now - can't decide what to choose */ | |
126 | debug("%s: %s\n", __func__, name); | |
127 | ||
128 | return 0; | |
129 | } | |
130 | #endif | |
8e59778b | 131 | #endif /* CONFIG_SPL_BUILD */ |