2 * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
3 * Scott McNutt <smcnutt@psyent.com>
5 * (C) Copyright 2000-2002
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8 * SPDX-License-Identifier: GPL-2.0+
12 #include <stdio_dev.h>
17 #ifdef CONFIG_STATUS_LED
18 #include <status_led.h>
20 #if defined(CONFIG_SYS_NIOS_EPCSBASE)
21 #include <nios2-epcs.h>
23 #ifdef CONFIG_CMD_NAND
24 #include <nand.h> /* cannot even include nand.h if it isnt configured */
27 DECLARE_GLOBAL_DATA_PTR;
30 * All attempts to come up with a "common" initialization sequence
31 * that works for all boards and architectures failed: some of the
32 * requirements are just _too_ different. To get rid of the resulting
33 * mess of board dependend #ifdef'ed code we now make the whole
34 * initialization sequence configurable to the user.
36 * The requirements for any new initalization function is simple: it
37 * receives a pointer to the "global data" structure as it's only
38 * argument, and returns an integer return code, where 0 means
39 * "continue" and != 0 means "fatal error, hang the system".
43 typedef int (init_fnc_t) (void);
46 /************************************************************************
47 * Initialization sequence *
48 ***********************************************************************/
50 init_fnc_t *init_sequence[] = {
51 #if defined(CONFIG_BOARD_EARLY_INIT_F)
52 board_early_init_f, /* Call board-specific init code early.*/
54 #if defined(CONFIG_SYS_NIOS_EPCSBASE)
64 NULL, /* Terminate this list */
68 /***********************************************************************/
72 init_fnc_t **init_fnc_ptr;
76 /* Pointer is writable since we allocated a register for it. */
78 /* compiler optimization barrier needed for GCC >= 3.4 */
79 __asm__ __volatile__("" : : : "memory");
82 gd->baudrate = CONFIG_BAUDRATE;
83 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
86 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
87 bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
88 #ifndef CONFIG_SYS_NO_FLASH
89 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
91 #if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
92 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
93 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
96 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
98 if ((*init_fnc_ptr) () != 0)
104 /* The Malloc area is immediately below the monitor copy in RAM */
105 mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
107 #ifndef CONFIG_SYS_NO_FLASH
109 bd->bi_flashsize = flash_init();
112 #ifdef CONFIG_CMD_NAND
117 #ifdef CONFIG_GENERIC_MMC
133 #if defined(CONFIG_BOARD_LATE_INIT)
137 #if defined(CONFIG_CMD_NET)