Blame view
include/init.h
5.22 KB
83d290c56 SPDX: Convert all... |
1 |
/* SPDX-License-Identifier: GPL-2.0+ */ |
dafa84d27 common: add a pro... |
2 3 4 5 6 7 |
/* * (C) Copyright 2000-2009 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Copy the startup prototype, previously defined in common.h * Copyright (C) 2018, STMicroelectronics - All Rights Reserved |
dafa84d27 common: add a pro... |
8 9 10 11 12 13 14 15 16 17 18 19 |
*/ #ifndef __INIT_H_ #define __INIT_H_ 1 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ /* * Function Prototypes */ /* common/board_f.c */ |
d6f877123 common: move boar... |
20 |
void board_init_f(ulong dummy); |
dafa84d27 common: add a pro... |
21 22 23 24 25 26 27 28 29 |
/** * arch_cpu_init() - basic cpu-dependent setup for an architecture * * This is called after early malloc is available. It should handle any * CPU- or SoC- specific init needed to continue the init sequence. See * board_f.c for where it is called. If this is not provided, a default * version (which does nothing) will be used. * |
dc145a7be init: Fix documen... |
30 |
* Return: 0 on success, otherwise error |
dafa84d27 common: add a pro... |
31 32 33 34 |
*/ int arch_cpu_init(void); /** |
d6f877123 common: move boar... |
35 36 37 38 39 40 |
* arch_cpu_init_dm() - init CPU after driver model is available * * This is called immediately after driver model is available before * relocation. This is similar to arch_cpu_init() but is able to reference * devices * |
dc145a7be init: Fix documen... |
41 |
* Return: 0 if OK, -ve on error |
d6f877123 common: move boar... |
42 43 44 45 |
*/ int arch_cpu_init_dm(void); /** |
dafa84d27 common: add a pro... |
46 47 48 49 50 51 52 |
* mach_cpu_init() - SoC/machine dependent CPU setup * * This is called after arch_cpu_init(). It should handle any * SoC or machine specific init needed to continue the init sequence. See * board_f.c for where it is called. If this is not provided, a default * version (which does nothing) will be used. * |
dc145a7be init: Fix documen... |
53 |
* Return: 0 on success, otherwise error |
dafa84d27 common: add a pro... |
54 55 |
*/ int mach_cpu_init(void); |
d6f877123 common: move boar... |
56 57 58 59 60 61 |
/** * arch_fsp_init() - perform firmware support package init * * Where U-Boot relies on binary blobs to handle part of the system init, this * function can be used to set up the blobs. This is used on some Intel * platforms. |
dc145a7be init: Fix documen... |
62 63 |
* * Return: 0 |
d6f877123 common: move boar... |
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 |
*/ int arch_fsp_init(void); int dram_init(void); /** * dram_init_banksize() - Set up DRAM bank sizes * * This can be implemented by boards to set up the DRAM bank information in * gd->bd->bi_dram(). It is called just before relocation, after dram_init() * is called. * * If this is not provided, a default implementation will try to set up a * single bank. It will do this if CONFIG_NR_DRAM_BANKS and * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to * get_effective_memsize(). * |
dc145a7be init: Fix documen... |
82 |
* Return: 0 if OK, -ve on error |
d6f877123 common: move boar... |
83 84 85 86 |
*/ int dram_init_banksize(void); /** |
dc145a7be init: Fix documen... |
87 |
* arch_reserve_stacks() - Reserve all necessary stacks |
d6f877123 common: move boar... |
88 89 90 91 92 93 94 95 96 97 98 99 |
* * This is used in generic board init sequence in common/board_f.c. Each * architecture could provide this function to tailor the required stacks. * * On entry gd->start_addr_sp is pointing to the suggested top of the stack. * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures * require only this can leave it untouched. * * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective * positions of the stack. The stack pointer(s) will be set to this later. * gd->irq_sp is only required, if the architecture needs it. * |
dc145a7be init: Fix documen... |
100 |
* Return: 0 if no error |
d6f877123 common: move boar... |
101 102 |
*/ int arch_reserve_stacks(void); |
b8aa55cb6 common: move init... |
103 104 105 |
/** * init_cache_f_r() - Turn on the cache in preparation for relocation * |
dc145a7be init: Fix documen... |
106 |
* Return: 0 if OK, -ve on error |
b8aa55cb6 common: move init... |
107 108 |
*/ int init_cache_f_r(void); |
5d6c61ac4 board_f: Use stat... |
109 110 111 112 113 114 |
#if !CONFIG_IS_ENABLED(CPU) /** * print_cpuinfo() - Display information about the CPU * * Return: 0 if OK, -ve on error */ |
d6f877123 common: move boar... |
115 |
int print_cpuinfo(void); |
5d6c61ac4 board_f: Use stat... |
116 |
#endif |
d6f877123 common: move boar... |
117 118 119 |
int timer_init(void); int reserve_mmu(void); int misc_init_f(void); |
dc145a7be init: Fix documen... |
120 |
|
d6f877123 common: move boar... |
121 122 123 |
#if defined(CONFIG_DTB_RESELECT) int embedded_dtb_select(void); #endif |
11f86cbaf common: move boar... |
124 125 126 127 128 |
/* common/init/board_init.c */ extern ulong monitor_flash_len; /** * ulong board_init_f_alloc_reserve - allocate reserved area |
dc145a7be init: Fix documen... |
129 |
* @top: top of the reserve area, growing down. |
11f86cbaf common: move boar... |
130 131 132 133 134 |
* * This function is called by each architecture very early in the start-up * code to allow the C runtime to reserve space on the stack for writable * 'globals' such as GD and the malloc arena. * |
dc145a7be init: Fix documen... |
135 |
* Return: bottom of reserved area |
11f86cbaf common: move boar... |
136 137 138 139 140 |
*/ ulong board_init_f_alloc_reserve(ulong top); /** * board_init_f_init_reserve - initialize the reserved area(s) |
dc145a7be init: Fix documen... |
141 |
* @base: top from which reservation was done |
11f86cbaf common: move boar... |
142 143 144 |
* * This function is called once the C runtime has allocated the reserved * area on the stack. It must initialize the GD at the base of that area. |
11f86cbaf common: move boar... |
145 146 147 148 149 |
*/ void board_init_f_init_reserve(ulong base); /** * arch_setup_gd() - Set up the global_data pointer |
dc145a7be init: Fix documen... |
150 |
* @gd_ptr: Pointer to global data |
11f86cbaf common: move boar... |
151 152 153 154 155 156 157 |
* * This pointer is special in some architectures and cannot easily be assigned * to. For example on x86 it is implemented by adding a specific record to its * Global Descriptor Table! So we we provide a function to carry out this task. * For most architectures this can simply be: * * gd = gd_ptr; |
11f86cbaf common: move boar... |
158 159 |
*/ void arch_setup_gd(gd_t *gd_ptr); |
dafa84d27 common: add a pro... |
160 |
/* common/board_r.c */ |
e2c219cd7 common: move boar... |
161 162 163 164 165 166 167 168 169 170 171 172 173 |
void board_init_r(gd_t *id, ulong dest_addr) __attribute__ ((noreturn)); int cpu_init_r(void); int last_stage_init(void); int mac_read_from_eeprom(void); int set_cpu_clk_info(void); int update_flash_size(int flash_size); int arch_early_init_r(void); void pci_init(void); int misc_init_r(void); #if defined(CONFIG_VID) int init_func_vid(void); #endif |
fc22ee215 common: move boar... |
174 175 176 |
/* common/board_info.c */ int checkboard(void); int show_board_info(void); |
dafa84d27 common: add a pro... |
177 178 179 180 181 |
#endif /* __ASSEMBLY__ */ /* Put only stuff here that the assembler can digest */ #endif /* __INIT_H_ */ |