+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __COMMON_H_
typedef volatile unsigned short vu_short;
typedef volatile unsigned char vu_char;
-/* Allow sharing constants with type modifiers between C and assembly. */
-#define _AC(X, Y) (X##Y)
-
#include <config.h>
#include <errno.h>
#include <time.h>
#include <flash.h>
#include <image.h>
-/* Bring in printf format macros if inttypes.h is included */
-#define __STDC_FORMAT_MACROS
-
#ifdef __LP64__
#define CONFIG_SYS_SUPPORT_64BIT_DATA
#endif
#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
#endif
-/* startup functions */
+/* startup functions, used in:
+ * common/board_f.c
+ * common/init/board_init.c
+ * common/board_r.c
+ * common/board_info.c
+ */
#include <init.h>
/*
* Function Prototypes
*/
-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().
- *
- * @return 0 if OK, -ve on error
- */
-int dram_init_banksize(void);
-
void hang (void) __attribute__ ((noreturn));
-int timer_init(void);
int cpu_init(void);
#include <display_options.h>
*/
int run_command_list(const char *cmd, int len, int flag);
-/* arch/$(ARCH)/lib/board.c */
-void board_init_f(ulong);
-void board_init_r(gd_t *, ulong) __attribute__ ((noreturn));
-
-/**
- * ulong board_init_f_alloc_reserve - allocate reserved area
- *
- * 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.
- *
- * @top: top of the reserve area, growing down.
- * @return: bottom of reserved area
- */
-ulong board_init_f_alloc_reserve(ulong top);
-
-/**
- * board_init_f_init_reserve - initialize the reserved area(s)
- *
- * 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.
- *
- * @base: top from which reservation was done
- */
-void board_init_f_init_reserve(ulong base);
-
-/**
- * arch_setup_gd() - Set up the global_data pointer
- *
- * 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;
- *
- * @gd_ptr: Pointer to global data
- */
-void arch_setup_gd(gd_t *gd_ptr);
-
-int checkboard(void);
-int show_board_info(void);
int checkflash(void);
int checkdram(void);
-int last_stage_init(void);
-extern ulong monitor_flash_len;
-int mac_read_from_eeprom(void);
extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
-int set_cpu_clk_info(void);
int mdm_init(void);
-int print_cpuinfo(void);
-int update_flash_size(int flash_size);
-int arch_early_init_r(void);
-
-/*
- * setup_board_extra() - Fill in extra details in the bd_t structure
- *
- * @return 0 if OK, -ve on error
- */
-int setup_board_extra(void);
/**
- * 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.
- */
-int arch_fsp_init(void);
-
-/**
- * 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
- *
- * @return 0 if OK, -ve on error
- */
-int arch_cpu_init_dm(void);
-
-/**
- * Reserve all necessary stacks
- *
- * 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.
+ * Show the DRAM size in a board-specific way
*
- * 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.
+ * This is used by boards to display DRAM information in their own way.
*
- * @return 0 if no error
+ * @param size Size of DRAM (which should be displayed along with other info)
*/
-__weak int arch_reserve_stacks(void);
+void board_show_dram(phys_size_t size);
/**
- * Show the DRAM size in a board-specific way
+ * Get the uppermost pointer that is valid to access
*
- * This is used by boards to display DRAM information in their own way.
+ * Some systems may not map all of their address space. This function allows
+ * boards to indicate what their highest support pointer value is for DRAM
+ * access.
*
- * @param size Size of DRAM (which should be displayed along with other info)
+ * @param total_size Size of U-Boot (unused?)
*/
-void board_show_dram(phys_size_t size);
+ulong board_get_usable_ram_top(ulong total_size);
/**
* arch_fixup_fdt() - Write arch-specific information to fdt
*/
int arch_fixup_fdt(void *blob);
-int reserve_mmu(void);
/* common/flash.c */
void flash_perror (int);
}
#ifdef CONFIG_AUTO_COMPLETE
-int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
+int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf,
+ bool dollar_comp);
#endif
int get_env_id (void);
-void pci_init (void);
void pci_init_board(void);
-#if defined(CONFIG_DTB_RESELECT)
-int embedded_dtb_select(void);
-#endif
-
-int misc_init_f (void);
-int misc_init_r (void);
-#if defined(CONFIG_VID)
-int init_func_vid(void);
-#endif
-
/* common/exports.c */
void jumptable_init(void);
#define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
#endif
-/*
- * Set this up regardless of board
- * type, to prevent errors.
- */
-#if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR)
-# define CONFIG_SYS_DEF_EEPROM_ADDR 0
-#else
-#if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
+#if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
# define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
#endif
-#endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */
-
-#if defined(CONFIG_SPI)
-extern void spi_init_f (void);
-extern void spi_init_r (void);
-extern ssize_t spi_read (uchar *, int, uchar *, int);
-extern ssize_t spi_write (uchar *, int, uchar *, int);
-#endif
/* $(BOARD)/$(BOARD).c */
int board_early_init_f (void);
int board_late_init (void);
int board_postclk_init (void); /* after clocks/timebase, before env/serial */
int board_early_init_r (void);
-void board_poweroff (void);
#if defined(CONFIG_SYS_DRAM_TEST)
int testdram(void);
ulong get_bus_freq (ulong);
int get_serial_clock(void);
-int cpu_init_r (void);
-
/* $(CPU)/interrupts.c */
int interrupt_init (void);
void timer_interrupt (struct pt_regs *);
uint dpram_alloc_align(uint size,uint align);
void bootcount_store (ulong);
ulong bootcount_load (void);
-#define BOOTCOUNT_MAGIC 0xB001C041
/* $(CPU)/.../<eth> */
void mii_init (void);
/* Multicore arch functions */
#ifdef CONFIG_MP
-int cpu_status(int nr);
-int cpu_reset(int nr);
-int cpu_disable(int nr);
-int cpu_release(int nr, int argc, char * const argv[]);
+int cpu_status(u32 nr);
+int cpu_reset(u32 nr);
+int cpu_disable(u32 nr);
+int cpu_release(u32 nr, int argc, char * const argv[]);
#endif
#else /* __ASSEMBLY__ */
-/* Drop a C type modifier (like in 3UL) for constants used in assembly. */
-#define _AC(X, Y) X
-
#endif /* __ASSEMBLY__ */
/* Put only stuff here that the assembler can digest */
-/* Declare an unsigned long constant digestable both by C and an assembler. */
-#define UL(x) _AC(x, UL)
-
#ifdef CONFIG_POST
#define CONFIG_HAS_POST
#ifndef CONFIG_POST_ALT_LIST
#endif
#endif
-#ifdef CONFIG_INIT_CRITICAL
-#error CONFIG_INIT_CRITICAL is deprecated!
-#error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
-#endif
-
#define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1))
/*
projects / oweals / u-boot.git / blobdiff