diff options
Diffstat (limited to 'lib_arm/board.c')
| -rw-r--r-- | lib_arm/board.c | 452 |
1 files changed, 0 insertions, 452 deletions
diff --git a/lib_arm/board.c b/lib_arm/board.c deleted file mode 100644 index f5660a985b..0000000000 --- a/lib_arm/board.c +++ /dev/null @@ -1,452 +0,0 @@ -/* - * (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 (;;); -} |
