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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
9f3183d2 MH |
2 | /* |
3 | * Copyright 2014-2015 Freescale Semiconductor, Inc. | |
9f3183d2 MH |
4 | */ |
5 | ||
6 | #include <common.h> | |
d96c2604 | 7 | #include <clock_legacy.h> |
9edefc27 | 8 | #include <cpu_func.h> |
4bfd1f5d | 9 | #include <env.h> |
9f3183d2 | 10 | #include <spl.h> |
90526e9f | 11 | #include <asm/cache.h> |
9f3183d2 MH |
12 | #include <asm/io.h> |
13 | #include <fsl_ifc.h> | |
9f3183d2 | 14 | #include <i2c.h> |
8e59778b YS |
15 | #include <fsl_csu.h> |
16 | #include <asm/arch/fdt.h> | |
17 | #include <asm/arch/ppa.h> | |
99606092 | 18 | #include <asm/arch/soc.h> |
9f3183d2 MH |
19 | |
20 | DECLARE_GLOBAL_DATA_PTR; | |
21 | ||
22 | u32 spl_boot_device(void) | |
23 | { | |
24 | #ifdef CONFIG_SPL_MMC_SUPPORT | |
25 | return BOOT_DEVICE_MMC1; | |
26 | #endif | |
27 | #ifdef CONFIG_SPL_NAND_SUPPORT | |
28 | return BOOT_DEVICE_NAND; | |
038b965c YS |
29 | #endif |
30 | #ifdef CONFIG_QSPI_BOOT | |
31 | return BOOT_DEVICE_NOR; | |
9f3183d2 MH |
32 | #endif |
33 | return 0; | |
34 | } | |
35 | ||
9f3183d2 | 36 | #ifdef CONFIG_SPL_BUILD |
70f9661c RG |
37 | |
38 | void spl_board_init(void) | |
39 | { | |
5536c3c9 | 40 | #if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2) |
70f9661c RG |
41 | /* |
42 | * In case of Secure Boot, the IBR configures the SMMU | |
43 | * to allow only Secure transactions. | |
44 | * SMMU must be reset in bypass mode. | |
45 | * Set the ClientPD bit and Clear the USFCFG Bit | |
46 | */ | |
47 | u32 val; | |
48 | val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK); | |
49 | out_le32(SMMU_SCR0, val); | |
50 | val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK); | |
51 | out_le32(SMMU_NSCR0, val); | |
52 | #endif | |
8e59778b YS |
53 | #ifdef CONFIG_LAYERSCAPE_NS_ACCESS |
54 | enable_layerscape_ns_access(); | |
55 | #endif | |
56 | #ifdef CONFIG_SPL_FSL_LS_PPA | |
57 | ppa_init(); | |
58 | #endif | |
70f9661c RG |
59 | } |
60 | ||
9f3183d2 MH |
61 | void board_init_f(ulong dummy) |
62 | { | |
61ab8aac | 63 | icache_enable(); |
9f3183d2 MH |
64 | /* Clear global data */ |
65 | memset((void *)gd, 0, sizeof(gd_t)); | |
9f3183d2 MH |
66 | board_early_init_f(); |
67 | timer_init(); | |
4a3ab193 | 68 | #ifdef CONFIG_ARCH_LS2080A |
9f3183d2 MH |
69 | env_init(); |
70 | #endif | |
71 | get_clocks(); | |
72 | ||
73 | preloader_console_init(); | |
d1fc0a31 | 74 | spl_set_bd(); |
9f3183d2 | 75 | |
beadf4f2 | 76 | #ifdef CONFIG_SYS_I2C |
9f3183d2 MH |
77 | #ifdef CONFIG_SPL_I2C_SUPPORT |
78 | i2c_init_all(); | |
1fab98fb | 79 | #endif |
beadf4f2 | 80 | #endif |
1fab98fb RB |
81 | #ifdef CONFIG_VID |
82 | init_func_vid(); | |
9f3183d2 MH |
83 | #endif |
84 | dram_init(); | |
8e59778b YS |
85 | #ifdef CONFIG_SPL_FSL_LS_PPA |
86 | #ifndef CONFIG_SYS_MEM_RESERVE_SECURE | |
87 | #error Need secure RAM for PPA | |
9f3183d2 | 88 | #endif |
8e59778b YS |
89 | /* |
90 | * Secure memory location is determined in dram_init_banksize(). | |
91 | * gd->ram_size is deducted by the size of secure ram. | |
92 | */ | |
93 | dram_init_banksize(); | |
94 | ||
95 | /* | |
96 | * After dram_init_bank_size(), we know U-Boot only uses the first | |
97 | * memory bank regardless how big the memory is. | |
98 | */ | |
99 | gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size; | |
100 | ||
101 | /* | |
102 | * If PPA is loaded, U-Boot will resume running at EL2. | |
103 | * Cache and MMU will be enabled. Need a place for TLB. | |
104 | * U-Boot will be relocated to the end of available memory | |
105 | * in first bank. At this point, we cannot know how much | |
106 | * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK | |
107 | * to avoid overlapping. As soon as the RAM version U-Boot sets | |
108 | * up new MMU, this space is no longer needed. | |
109 | */ | |
110 | gd->ram_top -= SPL_TLB_SETBACK; | |
111 | gd->arch.tlb_size = PGTABLE_SIZE; | |
112 | gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1); | |
113 | gd->arch.tlb_allocated = gd->arch.tlb_addr; | |
114 | #endif /* CONFIG_SPL_FSL_LS_PPA */ | |
99606092 YS |
115 | #if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT) |
116 | qspi_ahb_init(); | |
117 | #endif | |
8e59778b | 118 | } |
fb97b862 YS |
119 | |
120 | #ifdef CONFIG_SPL_OS_BOOT | |
121 | /* | |
122 | * Return | |
123 | * 0 if booting into OS is selected | |
124 | * 1 if booting into U-Boot is selected | |
125 | */ | |
126 | int spl_start_uboot(void) | |
127 | { | |
128 | env_init(); | |
129 | if (env_get_yesno("boot_os") != 0) | |
130 | return 0; | |
131 | ||
132 | return 1; | |
133 | } | |
134 | #endif /* CONFIG_SPL_OS_BOOT */ | |
135 | #ifdef CONFIG_SPL_LOAD_FIT | |
055aa33f | 136 | __weak int board_fit_config_name_match(const char *name) |
fb97b862 YS |
137 | { |
138 | /* Just empty function now - can't decide what to choose */ | |
139 | debug("%s: %s\n", __func__, name); | |
140 | ||
141 | return 0; | |
142 | } | |
143 | #endif | |
8e59778b | 144 | #endif /* CONFIG_SPL_BUILD */ |