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. 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);
72 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
73 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
77 * arch_fixup_fdt() - Write arch-specific information to fdt
79 * Defined in arch/$(ARCH)/lib/bootm-fdt.c
81 * @blob: FDT blob to write to
82 * @return 0 if ok, or -ve FDT_ERR_... on failure
84 int arch_fixup_fdt(void *blob);
87 void flash_perror (int);
89 /* common/cmd_source.c */
90 int source (ulong addr, const char *fit_uname);
92 extern ulong load_addr; /* Default Load Address */
93 extern ulong save_addr; /* Default Save Address */
94 extern ulong save_size; /* Default Save Size */
96 /* common/cmd_net.c */
97 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
99 /* common/cmd_fat.c */
100 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
102 /* common/cmd_ext2.c */
103 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
105 void pci_init_board(void);
107 /* common/exports.c */
108 void jumptable_init(void);
110 /* common/kallsysm.c */
111 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
113 /* common/memsize.c */
114 long get_ram_size (long *, long);
115 phys_size_t get_effective_memsize(void);
117 /* $(BOARD)/$(BOARD).c */
118 void reset_phy (void);
119 void fdc_hw_init (void);
121 /* $(BOARD)/eeprom.c */
122 #ifdef CONFIG_CMD_EEPROM
123 void eeprom_init (int bus);
124 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
125 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
128 * Some EEPROM code is depecated because it used the legacy I2C interface. Add
129 * some macros here so we don't have to touch every one of those uses
131 #define eeprom_init(bus)
132 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
133 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
136 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
137 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
140 /* $(BOARD)/$(BOARD).c */
141 int board_early_init_f (void);
142 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
143 int board_late_init (void);
144 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
145 int board_early_init_r (void);
147 #if defined(CONFIG_SYS_DRAM_TEST)
149 #endif /* CONFIG_SYS_DRAM_TEST */
151 #if defined(CONFIG_ARM)
152 void relocate_code(ulong);
154 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
156 ulong get_endaddr (void);
157 void trap_init (ulong);
161 void upmconfig (unsigned int, unsigned int *, unsigned int);
162 ulong get_tbclk (void);
163 void reset_misc (void);
164 void reset_cpu (ulong addr);
165 void ft_cpu_setup(void *blob, bd_t *bd);
166 void ft_pci_setup(void *blob, bd_t *bd);
169 int get_clocks (void);
170 ulong get_bus_freq (ulong);
171 int get_serial_clock(void);
177 #include <vsprintf.h>
179 /* lib/net_utils.c */
182 #include <bootstage.h>
184 #else /* __ASSEMBLY__ */
186 #endif /* __ASSEMBLY__ */
188 /* Put only stuff here that the assembler can digest */
191 #define CONFIG_HAS_POST
192 #ifndef CONFIG_POST_ALT_LIST
193 #define CONFIG_POST_STD_LIST
197 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1))
200 * check_member() - Check the offset of a structure member
202 * @structure: Name of structure (e.g. global_data)
203 * @member: Name of member (e.g. baudrate)
204 * @offset: Expected offset in bytes
206 #define check_member(structure, member, offset) _Static_assert( \
207 offsetof(struct structure, member) == offset, \
208 "`struct " #structure "` offset for `" #member "` is not " #offset)
210 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
211 #ifdef CONFIG_EFI_STUB
212 #define ll_boot_init() false
214 #define ll_boot_init() true
217 /* Pull in stuff for the build system */
219 # include <env_internal.h>
222 #endif /* __COMMON_H_ */