140 lines
2.9 KiB
C
140 lines
2.9 KiB
C
/*
|
|
* (C) Copyright 2011
|
|
* Julius Baxter, julius@opencores.org
|
|
*
|
|
* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
|
|
* Scott McNutt <smcnutt@psyent.com>
|
|
*
|
|
* (C) Copyright 2000-2002
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <stdio_dev.h>
|
|
#include <watchdog.h>
|
|
#include <malloc.h>
|
|
#include <mmc.h>
|
|
#include <net.h>
|
|
#ifdef CONFIG_STATUS_LED
|
|
#include <status_led.h>
|
|
#endif
|
|
#ifdef CONFIG_CMD_NAND
|
|
#include <nand.h> /* cannot even include nand.h if it isnt configured */
|
|
#endif
|
|
|
|
#include <timestamp.h>
|
|
#include <version.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/*
|
|
* All attempts to come up with a "common" initialization sequence
|
|
* that works for all boards and architectures failed: some of the
|
|
* requirements are just _too_ different. To get rid of the resulting
|
|
* mess of board dependend #ifdef'ed code we now make the whole
|
|
* initialization sequence configurable to the user.
|
|
*
|
|
* The requirements for any new initalization function is simple: it
|
|
* receives a pointer to the "global data" structure as it's only
|
|
* argument, and returns an integer return code, where 0 means
|
|
* "continue" and != 0 means "fatal error, hang the system".
|
|
*/
|
|
|
|
extern int cache_init(void);
|
|
|
|
/*
|
|
* Initialization sequence
|
|
*/
|
|
static int (* const init_sequence[])(void) = {
|
|
cache_init,
|
|
timer_init, /* initialize timer */
|
|
env_init,
|
|
serial_init,
|
|
console_init_f,
|
|
display_options,
|
|
checkcpu,
|
|
checkboard,
|
|
};
|
|
|
|
|
|
/***********************************************************************/
|
|
void board_init(void)
|
|
{
|
|
bd_t *bd;
|
|
int i;
|
|
|
|
gd = (gd_t *)CONFIG_SYS_GBL_DATA_ADDR;
|
|
|
|
memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
|
|
|
|
gd->bd = (bd_t *)(gd+1); /* At end of global data */
|
|
gd->baudrate = CONFIG_BAUDRATE;
|
|
gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
|
|
|
|
bd = gd->bd;
|
|
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
|
|
bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
|
|
#ifndef CONFIG_SYS_NO_FLASH
|
|
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
|
|
#endif
|
|
#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
|
|
bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
|
|
bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
|
|
#endif
|
|
|
|
for (i = 0; i < ARRAY_SIZE(init_sequence); i++) {
|
|
WATCHDOG_RESET();
|
|
if (init_sequence[i]())
|
|
hang();
|
|
}
|
|
|
|
WATCHDOG_RESET();
|
|
|
|
/* The Malloc area is immediately below the monitor copy in RAM */
|
|
mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
|
|
|
|
#ifndef CONFIG_SYS_NO_FLASH
|
|
WATCHDOG_RESET();
|
|
bd->bi_flashsize = flash_init();
|
|
#endif
|
|
|
|
#ifdef CONFIG_CMD_NAND
|
|
puts("NAND: ");
|
|
nand_init();
|
|
#endif
|
|
|
|
#ifdef CONFIG_GENERIC_MMC
|
|
puts("MMC: ");
|
|
mmc_initialize(bd);
|
|
#endif
|
|
|
|
WATCHDOG_RESET();
|
|
env_relocate();
|
|
|
|
WATCHDOG_RESET();
|
|
stdio_init();
|
|
jumptable_init();
|
|
console_init_r();
|
|
|
|
WATCHDOG_RESET();
|
|
interrupt_init();
|
|
|
|
#if defined(CONFIG_BOARD_LATE_INIT)
|
|
board_late_init();
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_NET)
|
|
puts("NET: ");
|
|
eth_initialize(bd);
|
|
#endif
|
|
|
|
/* main_loop */
|
|
for (;;) {
|
|
WATCHDOG_RESET();
|
|
main_loop();
|
|
}
|
|
}
|