+++ /dev/null
-/*
- * (C) Copyright 2002-2006
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * To match the U-Boot user interface on ARM platforms to the U-Boot
- * standard (as on PPC platforms), some messages with debug character
- * are removed from the default U-Boot build.
- *
- * Define DEBUG here if you want additional info as shown below
- * printed upon startup:
- *
- * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274
- * IRQ Stack: 00ebff7c
- * FIQ Stack: 00ebef7c
- */
-
-#include <common.h>
-#include <command.h>
-#include <malloc.h>
-#include <stdio_dev.h>
-#include <timestamp.h>
-#include <version.h>
-#include <net.h>
-#include <serial.h>
-#include <nand.h>
-#include <onenand_uboot.h>
-#include <mmc.h>
-
-#ifdef CONFIG_BITBANGMII
-#include <miiphy.h>
-#endif
-
-#ifdef CONFIG_DRIVER_SMC91111
-#include "../drivers/net/smc91111.h"
-#endif
-#ifdef CONFIG_DRIVER_LAN91C96
-#include "../drivers/net/lan91c96.h"
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-ulong monitor_flash_len;
-
-#ifdef CONFIG_HAS_DATAFLASH
-extern int AT91F_DataflashInit(void);
-extern void dataflash_print_info(void);
-#endif
-
-#ifndef CONFIG_IDENT_STRING
-#define CONFIG_IDENT_STRING ""
-#endif
-
-const char version_string[] =
- U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"CONFIG_IDENT_STRING;
-
-#ifdef CONFIG_DRIVER_RTL8019
-extern void rtl8019_get_enetaddr (uchar * addr);
-#endif
-
-#if defined(CONFIG_HARD_I2C) || \
- defined(CONFIG_SOFT_I2C)
-#include <i2c.h>
-#endif
-
-
-/************************************************************************
- * Coloured LED functionality
- ************************************************************************
- * May be supplied by boards if desired
- */
-void inline __coloured_LED_init (void) {}
-void coloured_LED_init (void) __attribute__((weak, alias("__coloured_LED_init")));
-void inline __red_LED_on (void) {}
-void red_LED_on (void) __attribute__((weak, alias("__red_LED_on")));
-void inline __red_LED_off(void) {}
-void red_LED_off(void) __attribute__((weak, alias("__red_LED_off")));
-void inline __green_LED_on(void) {}
-void green_LED_on(void) __attribute__((weak, alias("__green_LED_on")));
-void inline __green_LED_off(void) {}
-void green_LED_off(void) __attribute__((weak, alias("__green_LED_off")));
-void inline __yellow_LED_on(void) {}
-void yellow_LED_on(void) __attribute__((weak, alias("__yellow_LED_on")));
-void inline __yellow_LED_off(void) {}
-void yellow_LED_off(void) __attribute__((weak, alias("__yellow_LED_off")));
-void inline __blue_LED_on(void) {}
-void blue_LED_on(void) __attribute__((weak, alias("__blue_LED_on")));
-void inline __blue_LED_off(void) {}
-void blue_LED_off(void) __attribute__((weak, alias("__blue_LED_off")));
-
-/************************************************************************
- * Init Utilities *
- ************************************************************************
- * Some of this code should be moved into the core functions,
- * or dropped completely,
- * but let's get it working (again) first...
- */
-
-#if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE)
-#define CONFIG_BAUDRATE 115200
-#endif
-static int init_baudrate (void)
-{
- char tmp[64]; /* long enough for environment variables */
- int i = getenv_r ("baudrate", tmp, sizeof (tmp));
- gd->bd->bi_baudrate = gd->baudrate = (i > 0)
- ? (int) simple_strtoul (tmp, NULL, 10)
- : CONFIG_BAUDRATE;
-
- return (0);
-}
-
-static int display_banner (void)
-{
- printf ("\n\n%s\n\n", version_string);
- debug ("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
- _armboot_start, _bss_start, _bss_end);
-#ifdef CONFIG_MODEM_SUPPORT
- debug ("Modem Support enabled\n");
-#endif
-#ifdef CONFIG_USE_IRQ
- debug ("IRQ Stack: %08lx\n", IRQ_STACK_START);
- debug ("FIQ Stack: %08lx\n", FIQ_STACK_START);
-#endif
-
- return (0);
-}
-
-/*
- * WARNING: this code looks "cleaner" than the PowerPC version, but
- * has the disadvantage that you either get nothing, or everything.
- * On PowerPC, you might see "DRAM: " before the system hangs - which
- * gives a simple yet clear indication which part of the
- * initialization if failing.
- */
-static int display_dram_config (void)
-{
- int i;
-
-#ifdef DEBUG
- puts ("RAM Configuration:\n");
-
- for(i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
- printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
- print_size (gd->bd->bi_dram[i].size, "\n");
- }
-#else
- ulong size = 0;
-
- for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
- size += gd->bd->bi_dram[i].size;
- }
- puts("DRAM: ");
- print_size(size, "\n");
-#endif
-
- return (0);
-}
-
-#ifndef CONFIG_SYS_NO_FLASH
-static void display_flash_config (ulong size)
-{
- puts ("Flash: ");
- print_size (size, "\n");
-}
-#endif /* CONFIG_SYS_NO_FLASH */
-
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
-static int init_func_i2c (void)
-{
- puts ("I2C: ");
- i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
- puts ("ready\n");
- return (0);
-}
-#endif
-
-#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
-#include <pci.h>
-static int arm_pci_init(void)
-{
- pci_init();
- return 0;
-}
-#endif /* CONFIG_CMD_PCI || CONFIG_PCI */
-
-/*
- * Breathe some life into the board...
- *
- * Initialize a serial port as console, and carry out some hardware
- * tests.
- *
- * The first part of initialization is running from Flash memory;
- * its main purpose is to initialize the RAM so that we
- * can relocate the monitor code to RAM.
- */
-
-/*
- * 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 dependent #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".
- */
-typedef int (init_fnc_t) (void);
-
-int print_cpuinfo (void);
-
-init_fnc_t *init_sequence[] = {
-#if defined(CONFIG_ARCH_CPU_INIT)
- arch_cpu_init, /* basic arch cpu dependent setup */
-#endif
- board_init, /* basic board dependent setup */
-#if defined(CONFIG_USE_IRQ)
- interrupt_init, /* set up exceptions */
-#endif
- timer_init, /* initialize timer */
-#ifdef CONFIG_FSL_ESDHC
- get_clocks,
-#endif
- env_init, /* initialize environment */
- init_baudrate, /* initialze baudrate settings */
- serial_init, /* serial communications setup */
- console_init_f, /* stage 1 init of console */
- display_banner, /* say that we are here */
-#if defined(CONFIG_DISPLAY_CPUINFO)
- print_cpuinfo, /* display cpu info (and speed) */
-#endif
-#if defined(CONFIG_DISPLAY_BOARDINFO)
- checkboard, /* display board info */
-#endif
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
- init_func_i2c,
-#endif
- dram_init, /* configure available RAM banks */
-#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
- arm_pci_init,
-#endif
- display_dram_config,
- NULL,
-};
-
-void start_armboot (void)
-{
- init_fnc_t **init_fnc_ptr;
- char *s;
-#if defined(CONFIG_VFD) || defined(CONFIG_LCD)
- unsigned long addr;
-#endif
-
- /* Pointer is writable since we allocated a register for it */
- gd = (gd_t*)(_armboot_start - CONFIG_SYS_MALLOC_LEN - sizeof(gd_t));
- /* compiler optimization barrier needed for GCC >= 3.4 */
- __asm__ __volatile__("": : :"memory");
-
- memset ((void*)gd, 0, sizeof (gd_t));
- gd->bd = (bd_t*)((char*)gd - sizeof(bd_t));
- memset (gd->bd, 0, sizeof (bd_t));
-
- gd->flags |= GD_FLG_RELOC;
-
- monitor_flash_len = _bss_start - _armboot_start;
-
- for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
- if ((*init_fnc_ptr)() != 0) {
- hang ();
- }
- }
-
- /* armboot_start is defined in the board-specific linker script */
- mem_malloc_init (_armboot_start - CONFIG_SYS_MALLOC_LEN,
- CONFIG_SYS_MALLOC_LEN);
-
-#ifndef CONFIG_SYS_NO_FLASH
- /* configure available FLASH banks */
- display_flash_config (flash_init ());
-#endif /* CONFIG_SYS_NO_FLASH */
-
-#ifdef CONFIG_VFD
-# ifndef PAGE_SIZE
-# define PAGE_SIZE 4096
-# endif
- /*
- * reserve memory for VFD display (always full pages)
- */
- /* bss_end is defined in the board-specific linker script */
- addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
- vfd_setmem (addr);
- gd->fb_base = addr;
-#endif /* CONFIG_VFD */
-
-#ifdef CONFIG_LCD
- /* board init may have inited fb_base */
- if (!gd->fb_base) {
-# ifndef PAGE_SIZE
-# define PAGE_SIZE 4096
-# endif
- /*
- * reserve memory for LCD display (always full pages)
- */
- /* bss_end is defined in the board-specific linker script */
- addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
- lcd_setmem (addr);
- gd->fb_base = addr;
- }
-#endif /* CONFIG_LCD */
-
-#if defined(CONFIG_CMD_NAND)
- puts ("NAND: ");
- nand_init(); /* go init the NAND */
-#endif
-
-#if defined(CONFIG_CMD_ONENAND)
- onenand_init();
-#endif
-
-#ifdef CONFIG_HAS_DATAFLASH
- AT91F_DataflashInit();
- dataflash_print_info();
-#endif
-
- /* initialize environment */
- env_relocate ();
-
-#ifdef CONFIG_VFD
- /* must do this after the framebuffer is allocated */
- drv_vfd_init();
-#endif /* CONFIG_VFD */
-
-#ifdef CONFIG_SERIAL_MULTI
- serial_initialize();
-#endif
-
- /* IP Address */
- gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
-
- stdio_init (); /* get the devices list going. */
-
- jumptable_init ();
-
-#if defined(CONFIG_API)
- /* Initialize API */
- api_init ();
-#endif
-
- console_init_r (); /* fully init console as a device */
-
-#if defined(CONFIG_ARCH_MISC_INIT)
- /* miscellaneous arch dependent initialisations */
- arch_misc_init ();
-#endif
-#if defined(CONFIG_MISC_INIT_R)
- /* miscellaneous platform dependent initialisations */
- misc_init_r ();
-#endif
-
- /* enable exceptions */
- enable_interrupts ();
-
- /* Perform network card initialisation if necessary */
-#ifdef CONFIG_DRIVER_TI_EMAC
- /* XXX: this needs to be moved to board init */
-extern void davinci_eth_set_mac_addr (const u_int8_t *addr);
- if (getenv ("ethaddr")) {
- uchar enetaddr[6];
- eth_getenv_enetaddr("ethaddr", enetaddr);
- davinci_eth_set_mac_addr(enetaddr);
- }
-#endif
-
-#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
- /* XXX: this needs to be moved to board init */
- if (getenv ("ethaddr")) {
- uchar enetaddr[6];
- eth_getenv_enetaddr("ethaddr", enetaddr);
- smc_set_mac_addr(enetaddr);
- }
-#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
-
- /* Initialize from environment */
- if ((s = getenv ("loadaddr")) != NULL) {
- load_addr = simple_strtoul (s, NULL, 16);
- }
-#if defined(CONFIG_CMD_NET)
- if ((s = getenv ("bootfile")) != NULL) {
- copy_filename (BootFile, s, sizeof (BootFile));
- }
-#endif
-
-#ifdef BOARD_LATE_INIT
- board_late_init ();
-#endif
-
-#ifdef CONFIG_GENERIC_MMC
- puts ("MMC: ");
- mmc_initialize (gd->bd);
-#endif
-
-#ifdef CONFIG_BITBANGMII
- bb_miiphy_init();
-#endif
-#if defined(CONFIG_CMD_NET)
-#if defined(CONFIG_NET_MULTI)
- puts ("Net: ");
-#endif
- eth_initialize(gd->bd);
-#if defined(CONFIG_RESET_PHY_R)
- debug ("Reset Ethernet PHY\n");
- reset_phy();
-#endif
-#endif
- /* main_loop() can return to retry autoboot, if so just run it again. */
- for (;;) {
- main_loop ();
- }
-
- /* NOTREACHED - no way out of command loop except booting */
-}
-
-void hang (void)
-{
- puts ("### ERROR ### Please RESET the board ###\n");
- for (;;);
-}
projects / people / ms / u-boot.git / blobdiff