diff options
author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_i386/board.c | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) |
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_i386/board.c')
-rw-r--r-- | lib_i386/board.c | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/lib_i386/board.c b/lib_i386/board.c deleted file mode 100644 index f3b6348551e..00000000000 --- a/lib_i386/board.c +++ /dev/null @@ -1,429 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engstr�m, Omicron Ceti AB, daniel@omicron.se - * - * (C) Copyright 2002 - * 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 - */ - -#include <common.h> -#include <watchdog.h> -#include <command.h> -#include <stdio_dev.h> -#include <timestamp.h> -#include <version.h> -#include <malloc.h> -#include <net.h> -#include <ide.h> -#include <asm/u-boot-i386.h> -#include <elf.h> - -#ifdef CONFIG_BITBANGMII -#include <miiphy.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* Exports from the Linker Script */ -extern ulong _i386boot_text_start; -extern ulong _i386boot_rel_dyn_start; -extern ulong _i386boot_rel_dyn_end; -extern ulong _i386boot_bss_start; -extern ulong _i386boot_bss_size; -void ram_bootstrap (void *); -const char version_string[] = - U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"; - -/************************************************************************ - * Init Utilities * - ************************************************************************ - * Some of this code should be moved into the core functions, - * or dropped completely, - * but let's get it working (again) first... - */ -static int init_baudrate (void) -{ - char tmp[64]; /* long enough for environment variables */ - int i = getenv_r("baudrate", tmp, 64); - - 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); -/* - printf ("U-Boot code: %08lX -> %08lX data: %08lX -> %08lX\n" - " BSS: %08lX -> %08lX stack: %08lX -> %08lX\n", - i386boot_start, i386boot_romdata_start-1, - i386boot_romdata_dest, i386boot_romdata_dest+i386boot_romdata_size-1, - i386boot_bss_start, i386boot_bss_start+i386boot_bss_size-1, - i386boot_bss_start+i386boot_bss_size, - i386boot_bss_start+i386boot_bss_size+CONFIG_SYS_STACK_SIZE-1); - -*/ - - 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; - - puts ("DRAM 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"); - } - - return (0); -} - -static void display_flash_config (ulong size) -{ - puts ("Flash: "); - print_size (size, "\n"); -} - -/* - * Breath some life into the board... - * - * Initialize an SMC for serial comms, 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 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". - */ -typedef int (init_fnc_t) (void); - -init_fnc_t *init_sequence[] = { - serial_init, - cpu_init_r, /* basic cpu dependent setup */ - board_early_init_r, /* basic board dependent setup */ - dram_init, /* configure available RAM banks */ - interrupt_init, /* set up exceptions */ - timer_init, - env_init, /* initialize environment */ - init_baudrate, /* initialze baudrate settings */ - serial_init, /* serial communications setup */ - display_banner, - display_dram_config, - - NULL, -}; - -gd_t *gd; - -/* - * Load U-Boot into RAM, initialize BSS, perform relocation adjustments - */ -void board_init_f (ulong stack_limit) -{ - void *text_start = &_i386boot_text_start; - void *u_boot_cmd_end = &__u_boot_cmd_end; - Elf32_Rel *rel_dyn_start = (Elf32_Rel *)&_i386boot_rel_dyn_start; - Elf32_Rel *rel_dyn_end = (Elf32_Rel *)&_i386boot_rel_dyn_end; - void *bss_start = &_i386boot_bss_start; - void *bss_size = &_i386boot_bss_size; - - size_t uboot_size; - void *ram_start; - ulong rel_offset; - Elf32_Rel *re; - - void (*start_func)(void *); - - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("": : :"memory"); - - uboot_size = (size_t)u_boot_cmd_end - (size_t)text_start; - ram_start = (void *)stack_limit - (uboot_size + (ulong)bss_size); - rel_offset = text_start - ram_start; - start_func = ram_bootstrap - rel_offset; - - /* First stage CPU initialization */ - if (cpu_init_f() != 0) - hang(); - - /* First stage Board initialization */ - if (board_early_init_f() != 0) - hang(); - - /* Copy U-Boot into RAM */ - memcpy(ram_start, text_start, (size_t)uboot_size); - - /* Clear BSS */ - memset(bss_start - rel_offset, 0, (size_t)bss_size); - - /* Perform relocation adjustments */ - for (re = rel_dyn_start; re < rel_dyn_end; re++) - { - if (re->r_offset >= TEXT_BASE) - if (*(ulong *)re->r_offset >= TEXT_BASE) - *(ulong *)(re->r_offset - rel_offset) -= (Elf32_Addr)rel_offset; - } - - start_func(ram_start); - - /* NOTREACHED - relocate_code() does not return */ - while(1); -} - -/* - * All attempts to jump straight from board_init_f() to board_init_r() - * have failed, hence this special 'bootstrap' function. - */ -void ram_bootstrap (void *ram_start) -{ - static gd_t gd_data; - - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("": : :"memory"); - - board_init_r(&gd_data, (ulong)ram_start); -} - -void board_init_r(gd_t *id, ulong ram_start) -{ - char *s; - int i; - ulong size; - static bd_t bd_data; - init_fnc_t **init_fnc_ptr; - - show_boot_progress(0x21); - - gd = id; - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("": : :"memory"); - - memset (gd, 0, sizeof (gd_t)); - gd->bd = &bd_data; - memset (gd->bd, 0, sizeof (bd_t)); - show_boot_progress(0x22); - - gd->baudrate = CONFIG_BAUDRATE; - - gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ - - mem_malloc_init((((ulong)ram_start - CONFIG_SYS_MALLOC_LEN)+3)&~3, - CONFIG_SYS_MALLOC_LEN); - - for (init_fnc_ptr = init_sequence, i=0; *init_fnc_ptr; ++init_fnc_ptr, i++) { - show_boot_progress(0xa130|i); - - if ((*init_fnc_ptr)() != 0) { - hang (); - } - } - show_boot_progress(0x23); - - /* configure available FLASH banks */ - size = flash_init(); - display_flash_config(size); - show_boot_progress(0x24); - - show_boot_progress(0x25); - - /* initialize environment */ - env_relocate (); - show_boot_progress(0x26); - - - /* IP Address */ - bd_data.bi_ip_addr = getenv_IPaddr ("ipaddr"); - -#if defined(CONFIG_PCI) - /* - * Do pci configuration - */ - pci_init(); -#endif - - show_boot_progress(0x27); - - - stdio_init (); - - jumptable_init (); - - /* Initialize the console (after the relocation and devices init) */ - console_init_r(); - -#ifdef CONFIG_MISC_INIT_R - /* miscellaneous platform dependent initialisations */ - misc_init_r(); -#endif - -#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) - WATCHDOG_RESET(); - puts ("PCMCIA:"); - pcmcia_init(); -#endif - -#if defined(CONFIG_CMD_KGDB) - WATCHDOG_RESET(); - puts("KGDB: "); - kgdb_init(); -#endif - - /* enable exceptions */ - enable_interrupts(); - show_boot_progress(0x28); - - /* Must happen after interrupts are initialized since - * an irq handler gets installed - */ -#ifdef CONFIG_SERIAL_SOFTWARE_FIFO - serial_buffered_init(); -#endif - -#ifdef CONFIG_STATUS_LED - status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); -#endif - - udelay(20); - - set_timer (0); - - /* 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 - - WATCHDOG_RESET(); - -#if defined(CONFIG_CMD_IDE) - WATCHDOG_RESET(); - puts("IDE: "); - ide_init(); -#endif - -#if defined(CONFIG_CMD_SCSI) - WATCHDOG_RESET(); - puts("SCSI: "); - scsi_init(); -#endif - -#if defined(CONFIG_CMD_DOC) - WATCHDOG_RESET(); - puts("DOC: "); - doc_init(); -#endif - -#ifdef CONFIG_BITBANGMII - bb_miiphy_init(); -#endif -#if defined(CONFIG_CMD_NET) -#if defined(CONFIG_NET_MULTI) - WATCHDOG_RESET(); - puts("Net: "); -#endif - eth_initialize(gd->bd); -#endif - -#if ( defined(CONFIG_CMD_NET)) && (0) - WATCHDOG_RESET(); -# ifdef DEBUG - puts ("Reset Ethernet PHY\n"); -# endif - reset_phy(); -#endif - -#ifdef CONFIG_LAST_STAGE_INIT - 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_POST - post_run (NULL, POST_RAM | post_bootmode_get(0)); -#endif - - - show_boot_progress(0x29); - - /* 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 (;;); -} - -unsigned long do_go_exec (ulong (*entry)(int, char *[]), int argc, char *argv[]) -{ - /* - * TODO: Test this function - changed to fix compiler error. - * Original code was: - * return (entry >> 1) (argc, argv); - * with a comment about Nios function pointers are address >> 1 - */ - return (entry) (argc, argv); -} |