1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Common header file for U-Boot
5 * This file still includes quite a bit of stuff that should be in separate
6 * headers like command.h. Please think before adding more things.
7 * Patches to remove things are welcome.
9 * (C) Copyright 2000-2009
10 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
16 #ifndef __ASSEMBLY__ /* put C only stuff in this section */
18 typedef unsigned char uchar;
19 typedef volatile unsigned long vu_long;
20 typedef volatile unsigned short vu_short;
21 typedef volatile unsigned char vu_char;
26 #include <asm-offsets.h>
27 #include <linux/bitops.h>
28 #include <linux/bug.h>
29 #include <linux/delay.h>
30 #include <linux/types.h>
31 #include <linux/printk.h>
32 #include <linux/string.h>
33 #include <linux/stringify.h>
34 #include <asm/ptrace.h>
37 #include <linux/kernel.h>
44 #define CONFIG_SYS_SUPPORT_64BIT_DATA
49 #include <asm/u-boot.h> /* boot information for Linux kernel */
50 #include <asm/global_data.h> /* global data used for startup functions */
52 /* startup functions, used in:
54 * common/init/board_init.c
63 void hang (void) __attribute__ ((noreturn));
65 #include <display_options.h>
68 void main_loop (void);
69 int run_command(const char *cmd, int flag);
70 int run_command_repeatable(const char *cmd, int flag);
73 * Run a list of commands separated by ; or even \0
75 * Note that if 'len' is not -1, then the command does not need to be nul
76 * terminated, Memory will be allocated for the command in that case.
78 * @param cmd List of commands to run, each separated bu semicolon
79 * @param len Length of commands excluding terminator if known (-1 if not)
80 * @param flag Execution flags (CMD_FLAG_...)
81 * @return 0 on success, or != 0 on error.
83 int run_command_list(const char *cmd, int len, int flag);
87 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
88 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
92 * Show the DRAM size in a board-specific way
94 * This is used by boards to display DRAM information in their own way.
96 * @param size Size of DRAM (which should be displayed along with other info)
98 void board_show_dram(phys_size_t size);
101 * Get the uppermost pointer that is valid to access
103 * Some systems may not map all of their address space. This function allows
104 * boards to indicate what their highest support pointer value is for DRAM
107 * @param total_size Size of U-Boot (unused?)
109 ulong board_get_usable_ram_top(ulong total_size);
112 * arch_fixup_fdt() - Write arch-specific information to fdt
114 * Defined in arch/$(ARCH)/lib/bootm-fdt.c
116 * @blob: FDT blob to write to
117 * @return 0 if ok, or -ve FDT_ERR_... on failure
119 int arch_fixup_fdt(void *blob);
122 void flash_perror (int);
124 /* common/cmd_source.c */
125 int source (ulong addr, const char *fit_uname);
127 extern ulong load_addr; /* Default Load Address */
128 extern ulong save_addr; /* Default Save Address */
129 extern ulong save_size; /* Default Save Size */
131 /* common/cmd_net.c */
132 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
134 /* common/cmd_fat.c */
135 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
137 /* common/cmd_ext2.c */
138 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
140 void pci_init_board(void);
142 /* common/exports.c */
143 void jumptable_init(void);
145 /* common/kallsysm.c */
146 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
148 /* common/memsize.c */
149 long get_ram_size (long *, long);
150 phys_size_t get_effective_memsize(void);
152 /* $(BOARD)/$(BOARD).c */
153 void reset_phy (void);
154 void fdc_hw_init (void);
156 /* $(BOARD)/eeprom.c */
157 #ifdef CONFIG_CMD_EEPROM
158 void eeprom_init (int bus);
159 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
160 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
163 * Some EEPROM code is depecated because it used the legacy I2C interface. Add
164 * some macros here so we don't have to touch every one of those uses
166 #define eeprom_init(bus)
167 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
168 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
171 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
172 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
175 /* $(BOARD)/$(BOARD).c */
176 int board_early_init_f (void);
177 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
178 int board_late_init (void);
179 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
180 int board_early_init_r (void);
182 #if defined(CONFIG_SYS_DRAM_TEST)
184 #endif /* CONFIG_SYS_DRAM_TEST */
186 #if defined(CONFIG_ARM)
187 void relocate_code(ulong);
189 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
191 ulong get_endaddr (void);
192 void trap_init (ulong);
196 void upmconfig (unsigned int, unsigned int *, unsigned int);
197 ulong get_tbclk (void);
198 void reset_misc (void);
199 void reset_cpu (ulong addr);
200 void ft_cpu_setup(void *blob, bd_t *bd);
201 void ft_pci_setup(void *blob, bd_t *bd);
204 int get_clocks (void);
205 ulong get_bus_freq (ulong);
206 int get_serial_clock(void);
212 #include <vsprintf.h>
214 /* lib/net_utils.c */
217 #include <bootstage.h>
219 #else /* __ASSEMBLY__ */
221 #endif /* __ASSEMBLY__ */
223 /* Put only stuff here that the assembler can digest */
226 #define CONFIG_HAS_POST
227 #ifndef CONFIG_POST_ALT_LIST
228 #define CONFIG_POST_STD_LIST
232 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1))
235 * check_member() - Check the offset of a structure member
237 * @structure: Name of structure (e.g. global_data)
238 * @member: Name of member (e.g. baudrate)
239 * @offset: Expected offset in bytes
241 #define check_member(structure, member, offset) _Static_assert( \
242 offsetof(struct structure, member) == offset, \
243 "`struct " #structure "` offset for `" #member "` is not " #offset)
245 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
246 #ifdef CONFIG_EFI_STUB
247 #define ll_boot_init() false
249 #define ll_boot_init() true
252 /* Pull in stuff for the build system */
254 # include <env_internal.h>
257 #endif /* __COMMON_H_ */