1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2000-2009
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
10 #ifndef __ASSEMBLY__ /* put C only stuff in this section */
12 typedef unsigned char uchar;
13 typedef volatile unsigned long vu_long;
14 typedef volatile unsigned short vu_short;
15 typedef volatile unsigned char vu_char;
20 #include <asm-offsets.h>
21 #include <linux/bitops.h>
22 #include <linux/bug.h>
23 #include <linux/delay.h>
24 #include <linux/types.h>
25 #include <linux/printk.h>
26 #include <linux/string.h>
27 #include <linux/stringify.h>
28 #include <asm/ptrace.h>
31 #include <linux/kernel.h>
38 #define CONFIG_SYS_SUPPORT_64BIT_DATA
43 typedef void (interrupt_handler_t)(void *);
45 #include <asm/u-boot.h> /* boot information for Linux kernel */
46 #include <asm/global_data.h> /* global data used for startup functions */
48 /* startup functions, used in:
50 * common/init/board_init.c
59 void hang (void) __attribute__ ((noreturn));
63 #include <display_options.h>
66 void main_loop (void);
67 int run_command(const char *cmd, int flag);
68 int run_command_repeatable(const char *cmd, int flag);
71 * Run a list of commands separated by ; or even \0
73 * Note that if 'len' is not -1, then the command does not need to be nul
74 * terminated, Memory will be allocated for the command in that case.
76 * @param cmd List of commands to run, each separated bu semicolon
77 * @param len Length of commands excluding terminator if known (-1 if not)
78 * @param flag Execution flags (CMD_FLAG_...)
79 * @return 0 on success, or != 0 on error.
81 int run_command_list(const char *cmd, int len, int flag);
85 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
86 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
90 * Show the DRAM size in a board-specific way
92 * This is used by boards to display DRAM information in their own way.
94 * @param size Size of DRAM (which should be displayed along with other info)
96 void board_show_dram(phys_size_t size);
99 * Get the uppermost pointer that is valid to access
101 * Some systems may not map all of their address space. This function allows
102 * boards to indicate what their highest support pointer value is for DRAM
105 * @param total_size Size of U-Boot (unused?)
107 ulong board_get_usable_ram_top(ulong total_size);
110 * arch_fixup_fdt() - Write arch-specific information to fdt
112 * Defined in arch/$(ARCH)/lib/bootm-fdt.c
114 * @blob: FDT blob to write to
115 * @return 0 if ok, or -ve FDT_ERR_... on failure
117 int arch_fixup_fdt(void *blob);
120 void flash_perror (int);
122 /* common/cmd_source.c */
123 int source (ulong addr, const char *fit_uname);
125 extern ulong load_addr; /* Default Load Address */
126 extern ulong save_addr; /* Default Save Address */
127 extern ulong save_size; /* Default Save Size */
129 /* common/cmd_net.c */
130 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
132 /* common/cmd_fat.c */
133 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
135 /* common/cmd_ext2.c */
136 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
138 void pci_init_board(void);
140 /* common/exports.c */
141 void jumptable_init(void);
143 /* common/kallsysm.c */
144 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
146 /* common/memsize.c */
147 long get_ram_size (long *, long);
148 phys_size_t get_effective_memsize(void);
150 /* $(BOARD)/$(BOARD).c */
151 void reset_phy (void);
152 void fdc_hw_init (void);
154 /* $(BOARD)/eeprom.c */
155 #ifdef CONFIG_CMD_EEPROM
156 void eeprom_init (int bus);
157 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
158 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
161 * Some EEPROM code is depecated because it used the legacy I2C interface. Add
162 * some macros here so we don't have to touch every one of those uses
164 #define eeprom_init(bus)
165 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
166 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
169 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
170 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
173 /* $(BOARD)/$(BOARD).c */
174 int board_early_init_f (void);
175 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
176 int board_late_init (void);
177 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
178 int board_early_init_r (void);
180 #if defined(CONFIG_SYS_DRAM_TEST)
182 #endif /* CONFIG_SYS_DRAM_TEST */
185 int icache_status (void);
186 void icache_enable (void);
187 void icache_disable(void);
188 int dcache_status (void);
189 void dcache_enable (void);
190 void dcache_disable(void);
191 void mmu_disable(void);
192 #if defined(CONFIG_ARM)
193 void relocate_code(ulong);
195 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
197 ulong get_endaddr (void);
198 void trap_init (ulong);
201 static inline int cpumask_next(int cpu, unsigned int mask)
203 for (cpu++; !((1 << cpu) & mask); cpu++)
209 #define for_each_cpu(iter, cpu, num_cpus, mask) \
210 for (iter = 0, cpu = cpumask_next(-1, mask); \
212 iter++, cpu = cpumask_next(cpu, mask)) \
214 int cpu_numcores (void);
215 int cpu_num_dspcores(void);
217 u32 cpu_dsp_mask(void);
218 int is_core_valid (unsigned int);
223 int checkicache (void);
224 int checkdcache (void);
225 void upmconfig (unsigned int, unsigned int *, unsigned int);
226 ulong get_tbclk (void);
227 void reset_misc (void);
228 void reset_cpu (ulong addr);
229 void ft_cpu_setup(void *blob, bd_t *bd);
230 void ft_pci_setup(void *blob, bd_t *bd);
232 void smp_set_core_boot_addr(unsigned long addr, int corenr);
233 void smp_kick_all_cpus(void);
235 /* $(CPU)/serial.c */
236 int serial_init (void);
237 void serial_setbrg (void);
238 void serial_putc (const char);
239 void serial_putc_raw(const char);
240 void serial_puts (const char *);
241 int serial_getc (void);
242 int serial_tstc (void);
245 int get_clocks (void);
246 ulong get_bus_freq (ulong);
247 int get_serial_clock(void);
249 /* $(CPU)/interrupts.c */
250 int interrupt_init (void);
251 void timer_interrupt (struct pt_regs *);
252 void external_interrupt (struct pt_regs *);
253 void irq_install_handler(int, interrupt_handler_t *, void *);
254 void irq_free_handler (int);
255 void reset_timer (void);
257 /* Return value of monotonic microsecond timer */
258 unsigned long timer_get_us(void);
260 void enable_interrupts (void);
261 int disable_interrupts (void);
263 /* $(CPU)/.../commproc.c */
264 void bootcount_store (ulong);
265 ulong bootcount_load (void);
267 /* $(CPU)/.../<eth> */
268 void mii_init (void);
270 /* arch/$(ARCH)/lib/cache.c */
271 void enable_caches(void);
272 void flush_cache (unsigned long, unsigned long);
273 void flush_dcache_all(void);
274 void flush_dcache_range(unsigned long start, unsigned long stop);
275 void invalidate_dcache_range(unsigned long start, unsigned long stop);
276 void invalidate_dcache_all(void);
277 void invalidate_icache_all(void);
280 /* Disable caches (else flush caches but leave them active) */
281 CBL_DISABLE_CACHES = 1 << 0,
282 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1,
288 * Clean up ready for linux
290 * @param flags Flags to control what is done
292 int cleanup_before_linux_select(int flags);
294 /* arch/$(ARCH)/lib/ticks.S */
295 uint64_t get_ticks(void);
296 void wait_ticks (unsigned long);
298 /* arch/$(ARCH)/lib/time.c */
299 ulong usec2ticks (unsigned long usec);
300 ulong ticks2usec (unsigned long ticks);
302 /* lib/lz4_wrapper.c */
303 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
306 void qsort(void *base, size_t nmemb, size_t size,
307 int(*compar)(const void *, const void *));
308 int strcmp_compar(const void *, const void *);
314 #include <vsprintf.h>
317 char * strmhz(char *buf, unsigned long hz);
320 #include <u-boot/crc.h>
324 void srand(unsigned int seed);
325 unsigned int rand(void);
326 unsigned int rand_r(unsigned int *seedp);
329 * STDIO based functions (can always be used)
332 int serial_printf (const char *fmt, ...)
333 __attribute__ ((format (__printf__, 1, 2)));
335 /* lib/net_utils.c */
337 static inline struct in_addr env_get_ip(char *var)
339 return string_to_ip(env_get(var));
342 int pcmcia_init (void);
344 #ifdef CONFIG_LED_STATUS
345 # include <status_led.h>
348 #include <bootstage.h>
350 #ifdef CONFIG_SHOW_ACTIVITY
351 void show_activity(int arg);
354 /* Multicore arch functions */
356 int cpu_status(u32 nr);
357 int cpu_reset(u32 nr);
358 int cpu_disable(u32 nr);
359 int cpu_release(u32 nr, int argc, char * const argv[]);
362 #else /* __ASSEMBLY__ */
364 #endif /* __ASSEMBLY__ */
366 /* Put only stuff here that the assembler can digest */
369 #define CONFIG_HAS_POST
370 #ifndef CONFIG_POST_ALT_LIST
371 #define CONFIG_POST_STD_LIST
375 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1))
378 * check_member() - Check the offset of a structure member
380 * @structure: Name of structure (e.g. global_data)
381 * @member: Name of member (e.g. baudrate)
382 * @offset: Expected offset in bytes
384 #define check_member(structure, member, offset) _Static_assert( \
385 offsetof(struct structure, member) == offset, \
386 "`struct " #structure "` offset for `" #member "` is not " #offset)
388 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
389 #ifdef CONFIG_EFI_STUB
390 #define ll_boot_init() false
392 #define ll_boot_init() true
395 /* Pull in stuff for the build system */
397 # include <env_internal.h>
400 #endif /* __COMMON_H_ */