forked from rrcarlosr/Jetpack
1000 lines
20 KiB
C
1000 lines
20 KiB
C
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/*
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* Copyright (c) 2011 The Chromium OS Authors.
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* (C) Copyright 2002-2006
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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/* TODO: can we just include all these headers whether needed or not? */
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#if defined(CONFIG_CMD_BEDBUG)
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#include <bedbug/type.h>
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#endif
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#include <command.h>
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#include <console.h>
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#ifdef CONFIG_HAS_DATAFLASH
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#include <dataflash.h>
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#endif
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#include <dm.h>
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#include <environment.h>
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#include <fdtdec.h>
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#if defined(CONFIG_CMD_IDE)
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#include <ide.h>
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#endif
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#include <initcall.h>
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#ifdef CONFIG_PS2KBD
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#include <keyboard.h>
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#endif
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#if defined(CONFIG_CMD_KGDB)
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#include <kgdb.h>
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#endif
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#include <logbuff.h>
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#include <malloc.h>
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#include <mapmem.h>
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#ifdef CONFIG_BITBANGMII
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#include <miiphy.h>
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#endif
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#include <mmc.h>
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#include <nand.h>
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#include <onenand_uboot.h>
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#include <scsi.h>
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#include <serial.h>
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#include <spi.h>
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#include <stdio_dev.h>
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#include <timer.h>
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#include <trace.h>
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#include <watchdog.h>
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#ifdef CONFIG_CMD_AMBAPP
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#include <ambapp.h>
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#endif
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#ifdef CONFIG_ADDR_MAP
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#include <asm/mmu.h>
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#endif
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#include <asm/sections.h>
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#ifdef CONFIG_X86
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#include <asm/init_helpers.h>
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#endif
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#include <dm/root.h>
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#include <linux/compiler.h>
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#include <linux/err.h>
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#ifdef CONFIG_AVR32
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#include <asm/arch/mmu.h>
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#endif
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#include <efi_loader.h>
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DECLARE_GLOBAL_DATA_PTR;
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#if defined(CONFIG_SPARC)
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extern int prom_init(void);
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#endif
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ulong monitor_flash_len;
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__weak int board_flash_wp_on(void)
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{
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/*
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* Most flashes can't be detected when write protection is enabled,
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* so provide a way to let U-Boot gracefully ignore write protected
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* devices.
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*/
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return 0;
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}
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__weak void cpu_secondary_init_r(void)
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{
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}
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static int initr_secondary_cpu(void)
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{
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/*
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* after non-volatile devices & environment is setup and cpu code have
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* another round to deal with any initialization that might require
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* full access to the environment or loading of some image (firmware)
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* from a non-volatile device
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*/
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/* TODO: maybe define this for all archs? */
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cpu_secondary_init_r();
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return 0;
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}
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static int initr_trace(void)
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{
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#ifdef CONFIG_TRACE
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trace_init(gd->trace_buff, CONFIG_TRACE_BUFFER_SIZE);
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#endif
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return 0;
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}
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static int initr_reloc(void)
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{
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/* tell others: relocation done */
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gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
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return 0;
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}
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#ifdef CONFIG_ARM
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/*
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* Some of these functions are needed purely because the functions they
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* call return void. If we change them to return 0, these stubs can go away.
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*/
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static int initr_caches(void)
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{
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/* Enable caches */
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enable_caches();
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return 0;
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}
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#endif
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__weak int fixup_cpu(void)
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{
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return 0;
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}
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static int initr_reloc_global_data(void)
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{
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#ifdef __ARM__
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monitor_flash_len = _end - __image_copy_start;
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#elif defined(CONFIG_NDS32)
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monitor_flash_len = (ulong)&_end - (ulong)&_start;
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#elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
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monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
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#endif
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#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
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/*
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* The gd->cpu pointer is set to an address in flash before relocation.
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* We need to update it to point to the same CPU entry in RAM.
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* TODO: why not just add gd->reloc_ofs?
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*/
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gd->arch.cpu += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
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/*
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* If we didn't know the cpu mask & # cores, we can save them of
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* now rather than 'computing' them constantly
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*/
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fixup_cpu();
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#endif
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#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
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/*
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* Some systems need to relocate the env_addr pointer early because the
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* location it points to will get invalidated before env_relocate is
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* called. One example is on systems that might use a L2 or L3 cache
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* in SRAM mode and initialize that cache from SRAM mode back to being
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* a cache in cpu_init_r.
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*/
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gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
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#endif
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#ifdef CONFIG_OF_EMBED
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/*
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* The fdt_blob needs to be moved to new relocation address
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* incase of FDT blob is embedded with in image
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*/
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gd->fdt_blob += gd->reloc_off;
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#endif
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#ifdef CONFIG_EFI_LOADER
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efi_runtime_relocate(gd->relocaddr, NULL);
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#endif
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return 0;
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}
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static int initr_serial(void)
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{
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serial_initialize();
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return 0;
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}
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#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
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static int initr_trap(void)
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{
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/*
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* Setup trap handlers
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*/
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#if defined(CONFIG_PPC)
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trap_init(gd->relocaddr);
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#else
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trap_init(CONFIG_SYS_SDRAM_BASE);
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#endif
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return 0;
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}
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#endif
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#ifdef CONFIG_ADDR_MAP
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static int initr_addr_map(void)
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{
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init_addr_map();
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return 0;
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}
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#endif
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#ifdef CONFIG_LOGBUFFER
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unsigned long logbuffer_base(void)
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{
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return gd->ram_top - LOGBUFF_LEN;
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}
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static int initr_logbuffer(void)
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{
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logbuff_init_ptrs();
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return 0;
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}
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#endif
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#ifdef CONFIG_POST
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static int initr_post_backlog(void)
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{
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post_output_backlog();
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return 0;
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}
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#endif
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#ifdef CONFIG_SYS_DELAYED_ICACHE
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static int initr_icache_enable(void)
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{
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return 0;
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}
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#endif
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#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
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static int initr_unlock_ram_in_cache(void)
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{
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unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
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return 0;
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}
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#endif
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#ifdef CONFIG_PCI
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static int initr_pci(void)
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{
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#ifndef CONFIG_DM_PCI
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pci_init();
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#endif
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return 0;
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}
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#endif
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#ifdef CONFIG_WINBOND_83C553
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static int initr_w83c553f(void)
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{
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/*
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* Initialise the ISA bridge
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*/
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initialise_w83c553f();
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return 0;
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}
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#endif
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static int initr_barrier(void)
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{
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#ifdef CONFIG_PPC
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/* TODO: Can we not use dmb() macros for this? */
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asm("sync ; isync");
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#endif
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return 0;
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}
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static int initr_malloc(void)
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{
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ulong malloc_start;
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#ifdef CONFIG_SYS_MALLOC_F_LEN
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debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
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gd->malloc_ptr / 1024);
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#endif
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/* The malloc area is immediately below the monitor copy in DRAM */
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malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
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mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
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TOTAL_MALLOC_LEN);
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return 0;
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}
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static int initr_console_record(void)
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{
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#if defined(CONFIG_CONSOLE_RECORD)
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return console_record_init();
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#else
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return 0;
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#endif
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}
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#ifdef CONFIG_SYS_NONCACHED_MEMORY
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static int initr_noncached(void)
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{
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noncached_init();
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return 0;
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}
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#endif
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#ifdef CONFIG_DM
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static int initr_dm(void)
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{
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int ret;
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/* Save the pre-reloc driver model and start a new one */
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gd->dm_root_f = gd->dm_root;
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gd->dm_root = NULL;
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#ifdef CONFIG_TIMER
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gd->timer = NULL;
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#endif
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ret = dm_init_and_scan(false);
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if (ret)
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return ret;
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#ifdef CONFIG_TIMER_EARLY
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ret = dm_timer_init();
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if (ret)
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return ret;
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#endif
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return 0;
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}
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#endif
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static int initr_bootstage(void)
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{
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/* We cannot do this before initr_dm() */
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bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
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return 0;
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}
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__weak int power_init_board(void)
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{
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return 0;
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}
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static int initr_announce(void)
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{
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debug("Now running in RAM - U-Boot at: %08lx\n", gd->relocaddr);
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return 0;
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}
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#ifdef CONFIG_NEEDS_MANUAL_RELOC
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static int initr_manual_reloc_cmdtable(void)
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{
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fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
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ll_entry_count(cmd_tbl_t, cmd));
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return 0;
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}
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#endif
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#if !defined(CONFIG_SYS_NO_FLASH)
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static int initr_flash(void)
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{
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ulong flash_size = 0;
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bd_t *bd = gd->bd;
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puts("Flash: ");
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if (board_flash_wp_on())
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printf("Uninitialized - Write Protect On\n");
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else
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flash_size = flash_init();
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print_size(flash_size, "");
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#ifdef CONFIG_SYS_FLASH_CHECKSUM
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/*
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* Compute and print flash CRC if flashchecksum is set to 'y'
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*
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* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
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*/
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if (getenv_yesno("flashchecksum") == 1) {
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printf(" CRC: %08X", crc32(0,
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(const unsigned char *) CONFIG_SYS_FLASH_BASE,
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flash_size));
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}
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#endif /* CONFIG_SYS_FLASH_CHECKSUM */
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putc('\n');
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/* update start of FLASH memory */
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#ifdef CONFIG_SYS_FLASH_BASE
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bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
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#endif
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/* size of FLASH memory (final value) */
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bd->bi_flashsize = flash_size;
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#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
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/* Make a update of the Memctrl. */
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update_flash_size(flash_size);
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|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
|
||
|
|
/* flash mapped at end of memory map */
|
||
|
|
bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
|
||
|
|
#elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
|
||
|
|
bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI)
|
||
|
|
static int initr_spi(void)
|
||
|
|
{
|
||
|
|
/* PPC does this here */
|
||
|
|
#ifdef CONFIG_SPI
|
||
|
|
#if !defined(CONFIG_ENV_IS_IN_EEPROM)
|
||
|
|
spi_init_f();
|
||
|
|
#endif
|
||
|
|
spi_init_r();
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_CMD_NAND
|
||
|
|
/* go init the NAND */
|
||
|
|
static int initr_nand(void)
|
||
|
|
{
|
||
|
|
puts("NAND: ");
|
||
|
|
nand_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_CMD_ONENAND)
|
||
|
|
/* go init the NAND */
|
||
|
|
static int initr_onenand(void)
|
||
|
|
{
|
||
|
|
puts("NAND: ");
|
||
|
|
onenand_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_GENERIC_MMC
|
||
|
|
static int initr_mmc(void)
|
||
|
|
{
|
||
|
|
puts("MMC: ");
|
||
|
|
mmc_initialize(gd->bd);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_HAS_DATAFLASH
|
||
|
|
static int initr_dataflash(void)
|
||
|
|
{
|
||
|
|
AT91F_DataflashInit();
|
||
|
|
dataflash_print_info();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Tell if it's OK to load the environment early in boot.
|
||
|
|
*
|
||
|
|
* If CONFIG_OF_CONTROL is defined, we'll check with the FDT to see
|
||
|
|
* if this is OK (defaulting to saying it's OK).
|
||
|
|
*
|
||
|
|
* NOTE: Loading the environment early can be a bad idea if security is
|
||
|
|
* important, since no verification is done on the environment.
|
||
|
|
*
|
||
|
|
* @return 0 if environment should not be loaded, !=0 if it is ok to load
|
||
|
|
*/
|
||
|
|
static int should_load_env(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_OF_CONTROL
|
||
|
|
return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1);
|
||
|
|
#elif defined CONFIG_DELAY_ENVIRONMENT
|
||
|
|
return 0;
|
||
|
|
#else
|
||
|
|
return 1;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static int initr_env(void)
|
||
|
|
{
|
||
|
|
/* initialize environment */
|
||
|
|
if (should_load_env())
|
||
|
|
env_relocate();
|
||
|
|
else
|
||
|
|
set_default_env(NULL);
|
||
|
|
#ifdef CONFIG_OF_CONTROL
|
||
|
|
setenv_addr("fdtcontroladdr", gd->fdt_blob);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Initialize from environment */
|
||
|
|
load_addr = getenv_ulong("loadaddr", 16, load_addr);
|
||
|
|
#if defined(CONFIG_SYS_EXTBDINFO)
|
||
|
|
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
|
||
|
|
#if defined(CONFIG_I2CFAST)
|
||
|
|
/*
|
||
|
|
* set bi_iic_fast for linux taking environment variable
|
||
|
|
* "i2cfast" into account
|
||
|
|
*/
|
||
|
|
{
|
||
|
|
char *s = getenv("i2cfast");
|
||
|
|
|
||
|
|
if (s && ((*s == 'y') || (*s == 'Y'))) {
|
||
|
|
gd->bd->bi_iic_fast[0] = 1;
|
||
|
|
gd->bd->bi_iic_fast[1] = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_I2CFAST */
|
||
|
|
#endif /* CONFIG_405GP, CONFIG_405EP */
|
||
|
|
#endif /* CONFIG_SYS_EXTBDINFO */
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef CONFIG_SYS_BOOTPARAMS_LEN
|
||
|
|
static int initr_malloc_bootparams(void)
|
||
|
|
{
|
||
|
|
gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
|
||
|
|
if (!gd->bd->bi_boot_params) {
|
||
|
|
puts("WARNING: Cannot allocate space for boot parameters\n");
|
||
|
|
return -ENOMEM;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static int initr_jumptable(void)
|
||
|
|
{
|
||
|
|
jumptable_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(CONFIG_API)
|
||
|
|
static int initr_api(void)
|
||
|
|
{
|
||
|
|
/* Initialize API */
|
||
|
|
api_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* enable exceptions */
|
||
|
|
#if defined(CONFIG_ARM) || defined(CONFIG_AVR32)
|
||
|
|
static int initr_enable_interrupts(void)
|
||
|
|
{
|
||
|
|
enable_interrupts();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_CMD_NET
|
||
|
|
static int initr_ethaddr(void)
|
||
|
|
{
|
||
|
|
bd_t *bd = gd->bd;
|
||
|
|
|
||
|
|
/* kept around for legacy kernels only ... ignore the next section */
|
||
|
|
eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
|
||
|
|
#ifdef CONFIG_HAS_ETH1
|
||
|
|
eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_HAS_ETH2
|
||
|
|
eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_HAS_ETH3
|
||
|
|
eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_HAS_ETH4
|
||
|
|
eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_HAS_ETH5
|
||
|
|
eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_CMD_NET */
|
||
|
|
|
||
|
|
#ifdef CONFIG_CMD_KGDB
|
||
|
|
static int initr_kgdb(void)
|
||
|
|
{
|
||
|
|
puts("KGDB: ");
|
||
|
|
kgdb_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_STATUS_LED)
|
||
|
|
static int initr_status_led(void)
|
||
|
|
{
|
||
|
|
#if defined(STATUS_LED_BOOT)
|
||
|
|
status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
|
||
|
|
#else
|
||
|
|
status_led_init();
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
|
||
|
|
extern int do_ambapp_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
|
||
|
|
|
||
|
|
static int initr_ambapp_print(void)
|
||
|
|
{
|
||
|
|
puts("AMBA:\n");
|
||
|
|
do_ambapp_print(NULL, 0, 0, NULL);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_SCSI)
|
||
|
|
static int initr_scsi(void)
|
||
|
|
{
|
||
|
|
puts("SCSI: ");
|
||
|
|
scsi_init();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_CMD_DOC)
|
||
|
|
static int initr_doc(void)
|
||
|
|
{
|
||
|
|
puts("DOC: ");
|
||
|
|
doc_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_BITBANGMII
|
||
|
|
static int initr_bbmii(void)
|
||
|
|
{
|
||
|
|
bb_miiphy_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_CMD_NET
|
||
|
|
static int initr_net(void)
|
||
|
|
{
|
||
|
|
puts("Net: ");
|
||
|
|
eth_initialize();
|
||
|
|
#if defined(CONFIG_RESET_PHY_R)
|
||
|
|
debug("Reset Ethernet PHY\n");
|
||
|
|
reset_phy();
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_POST
|
||
|
|
static int initr_post(void)
|
||
|
|
{
|
||
|
|
post_run(NULL, POST_RAM | post_bootmode_get(0));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
|
||
|
|
static int initr_pcmcia(void)
|
||
|
|
{
|
||
|
|
puts("PCMCIA:");
|
||
|
|
pcmcia_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_CMD_IDE)
|
||
|
|
static int initr_ide(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_IDE_8xx_PCCARD
|
||
|
|
puts("PCMCIA:");
|
||
|
|
#else
|
||
|
|
puts("IDE: ");
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_START_IDE)
|
||
|
|
if (board_start_ide())
|
||
|
|
ide_init();
|
||
|
|
#else
|
||
|
|
ide_init();
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
|
||
|
|
/*
|
||
|
|
* Export available size of memory for Linux, taking into account the
|
||
|
|
* protected RAM at top of memory
|
||
|
|
*/
|
||
|
|
int initr_mem(void)
|
||
|
|
{
|
||
|
|
ulong pram = 0;
|
||
|
|
char memsz[32];
|
||
|
|
|
||
|
|
# ifdef CONFIG_PRAM
|
||
|
|
pram = getenv_ulong("pram", 10, CONFIG_PRAM);
|
||
|
|
# endif
|
||
|
|
# if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
|
||
|
|
/* Also take the logbuffer into account (pram is in kB) */
|
||
|
|
pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
|
||
|
|
# endif
|
||
|
|
sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram));
|
||
|
|
setenv("mem", memsz);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_CMD_BEDBUG
|
||
|
|
static int initr_bedbug(void)
|
||
|
|
{
|
||
|
|
bedbug_init();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_PS2KBD
|
||
|
|
static int initr_kbd(void)
|
||
|
|
{
|
||
|
|
puts("PS/2: ");
|
||
|
|
kbd_init();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static int run_main_loop(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_SANDBOX
|
||
|
|
sandbox_main_loop_init();
|
||
|
|
#endif
|
||
|
|
/* main_loop() can return to retry autoboot, if so just run it again */
|
||
|
|
for (;;)
|
||
|
|
main_loop();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Over time we hope to remove these functions with code fragments and
|
||
|
|
* stub funtcions, and instead call the relevant function directly.
|
||
|
|
*
|
||
|
|
* We also hope to remove most of the driver-related init and do it if/when
|
||
|
|
* the driver is later used.
|
||
|
|
*
|
||
|
|
* TODO: perhaps reset the watchdog in the initcall function after each call?
|
||
|
|
*/
|
||
|
|
init_fnc_t init_sequence_r[] = {
|
||
|
|
initr_trace,
|
||
|
|
initr_reloc,
|
||
|
|
/* TODO: could x86/PPC have this also perhaps? */
|
||
|
|
#ifdef CONFIG_ARM
|
||
|
|
initr_caches,
|
||
|
|
/* Note: For Freescale LS2 SoCs, new MMU table is created in DDR.
|
||
|
|
* A temporary mapping of IFC high region is since removed,
|
||
|
|
* so environmental variables in NOR flash is not availble
|
||
|
|
* until board_init() is called below to remap IFC to high
|
||
|
|
* region.
|
||
|
|
*/
|
||
|
|
#endif
|
||
|
|
initr_reloc_global_data,
|
||
|
|
#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
|
||
|
|
initr_unlock_ram_in_cache,
|
||
|
|
#endif
|
||
|
|
initr_barrier,
|
||
|
|
initr_malloc,
|
||
|
|
initr_console_record,
|
||
|
|
#ifdef CONFIG_SYS_NONCACHED_MEMORY
|
||
|
|
initr_noncached,
|
||
|
|
#endif
|
||
|
|
bootstage_relocate,
|
||
|
|
#ifdef CONFIG_DM
|
||
|
|
initr_dm,
|
||
|
|
#endif
|
||
|
|
initr_bootstage,
|
||
|
|
#if defined(CONFIG_ARM) || defined(CONFIG_NDS32)
|
||
|
|
board_init, /* Setup chipselects */
|
||
|
|
#endif
|
||
|
|
/*
|
||
|
|
* TODO: printing of the clock inforamtion of the board is now
|
||
|
|
* implemented as part of bdinfo command. Currently only support for
|
||
|
|
* davinci SOC's is added. Remove this check once all the board
|
||
|
|
* implement this.
|
||
|
|
*/
|
||
|
|
#ifdef CONFIG_CLOCKS
|
||
|
|
set_cpu_clk_info, /* Setup clock information */
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_EFI_LOADER
|
||
|
|
efi_memory_init,
|
||
|
|
#endif
|
||
|
|
stdio_init_tables,
|
||
|
|
initr_serial,
|
||
|
|
initr_announce,
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
#ifdef CONFIG_NEEDS_MANUAL_RELOC
|
||
|
|
initr_manual_reloc_cmdtable,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
|
||
|
|
initr_trap,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_ADDR_MAP
|
||
|
|
initr_addr_map,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_BOARD_EARLY_INIT_R)
|
||
|
|
board_early_init_r,
|
||
|
|
#endif
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
#ifdef CONFIG_LOGBUFFER
|
||
|
|
initr_logbuffer,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_POST
|
||
|
|
initr_post_backlog,
|
||
|
|
#endif
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
#ifdef CONFIG_SYS_DELAYED_ICACHE
|
||
|
|
initr_icache_enable,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
|
||
|
|
/*
|
||
|
|
* Do early PCI configuration _before_ the flash gets initialised,
|
||
|
|
* because PCU ressources are crucial for flash access on some boards.
|
||
|
|
*/
|
||
|
|
initr_pci,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_WINBOND_83C553
|
||
|
|
initr_w83c553f,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_ARCH_EARLY_INIT_R
|
||
|
|
arch_early_init_r,
|
||
|
|
#endif
|
||
|
|
power_init_board,
|
||
|
|
#ifndef CONFIG_SYS_NO_FLASH
|
||
|
|
initr_flash,
|
||
|
|
#endif
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86) || \
|
||
|
|
defined(CONFIG_SPARC)
|
||
|
|
/* initialize higher level parts of CPU like time base and timers */
|
||
|
|
cpu_init_r,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_PPC
|
||
|
|
initr_spi,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_CMD_NAND
|
||
|
|
initr_nand,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_CMD_ONENAND
|
||
|
|
initr_onenand,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_GENERIC_MMC
|
||
|
|
initr_mmc,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_HAS_DATAFLASH
|
||
|
|
initr_dataflash,
|
||
|
|
#endif
|
||
|
|
initr_env,
|
||
|
|
#ifdef CONFIG_SYS_BOOTPARAMS_LEN
|
||
|
|
initr_malloc_bootparams,
|
||
|
|
#endif
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
initr_secondary_cpu,
|
||
|
|
#if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
|
||
|
|
mac_read_from_eeprom,
|
||
|
|
#endif
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
|
||
|
|
/*
|
||
|
|
* Do pci configuration
|
||
|
|
*/
|
||
|
|
initr_pci,
|
||
|
|
#endif
|
||
|
|
stdio_add_devices,
|
||
|
|
initr_jumptable,
|
||
|
|
#ifdef CONFIG_API
|
||
|
|
initr_api,
|
||
|
|
#endif
|
||
|
|
console_init_r, /* fully init console as a device */
|
||
|
|
#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
|
||
|
|
show_board_info,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_ARCH_MISC_INIT
|
||
|
|
arch_misc_init, /* miscellaneous arch-dependent init */
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_MISC_INIT_R
|
||
|
|
misc_init_r, /* miscellaneous platform-dependent init */
|
||
|
|
#endif
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
#ifdef CONFIG_CMD_KGDB
|
||
|
|
initr_kgdb,
|
||
|
|
#endif
|
||
|
|
interrupt_init,
|
||
|
|
#if defined(CONFIG_ARM) || defined(CONFIG_AVR32)
|
||
|
|
initr_enable_interrupts,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32) || defined(CONFIG_M68K)
|
||
|
|
timer_init, /* initialize timer */
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_STATUS_LED)
|
||
|
|
initr_status_led,
|
||
|
|
#endif
|
||
|
|
/* PPC has a udelay(20) here dating from 2002. Why? */
|
||
|
|
#ifdef CONFIG_CMD_NET
|
||
|
|
initr_ethaddr,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_BOARD_LATE_INIT
|
||
|
|
board_late_init,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_CMD_AMBAPP)
|
||
|
|
ambapp_init_reloc,
|
||
|
|
#if defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
|
||
|
|
initr_ambapp_print,
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_SCSI
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
initr_scsi,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_CMD_DOC
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
initr_doc,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_BITBANGMII
|
||
|
|
initr_bbmii,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_CMD_NET
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
initr_net,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_POST
|
||
|
|
initr_post,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
|
||
|
|
initr_pcmcia,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_CMD_IDE)
|
||
|
|
initr_ide,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_LAST_STAGE_INIT
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
/*
|
||
|
|
* Some parts can be only initialized if all others (like
|
||
|
|
* Interrupts) are up and running (i.e. the PC-style ISA
|
||
|
|
* keyboard).
|
||
|
|
*/
|
||
|
|
last_stage_init,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_CMD_BEDBUG
|
||
|
|
INIT_FUNC_WATCHDOG_RESET
|
||
|
|
initr_bedbug,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
|
||
|
|
initr_mem,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_PS2KBD
|
||
|
|
initr_kbd,
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_SPARC)
|
||
|
|
prom_init,
|
||
|
|
#endif
|
||
|
|
run_main_loop,
|
||
|
|
};
|
||
|
|
|
||
|
|
void board_init_r(gd_t *new_gd, ulong dest_addr)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_NEEDS_MANUAL_RELOC
|
||
|
|
int i;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_AVR32
|
||
|
|
mmu_init_r(dest_addr);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
|
||
|
|
gd = new_gd;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_NEEDS_MANUAL_RELOC
|
||
|
|
for (i = 0; i < ARRAY_SIZE(init_sequence_r); i++)
|
||
|
|
init_sequence_r[i] += gd->reloc_off;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (initcall_run_list(init_sequence_r))
|
||
|
|
hang();
|
||
|
|
|
||
|
|
/* NOTREACHED - run_main_loop() does not return */
|
||
|
|
hang();
|
||
|
|
}
|