/*
* (C) Copyright 2002
* Daniel Engström, 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>
#include <devices.h>
#include <version.h>
#include <malloc.h>
-#include <syscall.h>
#include <net.h>
#include <ide.h>
#include <asm/u-boot-i386.h>
-extern long _i386boot_start;
-extern long _i386boot_end;
+DECLARE_GLOBAL_DATA_PTR;
+
+extern long _i386boot_start;
+extern long _i386boot_end;
extern long _i386boot_romdata_start;
-extern long _i386boot_romdata_dest;
-extern long _i386boot_romdata_size;
-extern long _i386boot_bss_start;
-extern long _i386boot_bss_size;
+extern long _i386boot_romdata_dest;
+extern long _i386boot_romdata_size;
+extern long _i386boot_bss_start;
+extern long _i386boot_bss_size;
-extern long _i386boot_realmode;
+extern long _i386boot_realmode;
extern long _i386boot_realmode_size;
-extern long _i386boot_bios;
-extern long _i386boot_bios_size;
+extern long _i386boot_bios;
+extern long _i386boot_bios_size;
/* The symbols defined by the linker script becomes pointers
* which is somewhat inconveient ... */
static int mem_malloc_init(void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
/* start malloc area right after the stack */
- mem_malloc_start = i386boot_bss_start +
+ mem_malloc_start = i386boot_bss_start +
i386boot_bss_size + CFG_STACK_SIZE;
mem_malloc_start = (mem_malloc_start+3)&~3;
-
+
/* Use all available RAM for malloc() */
mem_malloc_end = gd->ram_size;
-
+
mem_malloc_brk = mem_malloc_start;
return 0;
* or dropped completely,
* but let's get it working (again) first...
*/
-static void syscalls_init (void)
-{
- syscall_tbl[SYSCALL_MALLOC] = (void *) malloc;
- syscall_tbl[SYSCALL_FREE] = (void *) free;
-
- syscall_tbl[SYSCALL_INSTALL_HDLR] = (void *) irq_install_handler;
- syscall_tbl[SYSCALL_FREE_HDLR] = (void *) irq_free_handler;
-
-}
-
static int init_baudrate (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
char tmp[64]; /* long enough for environment variables */
int i = getenv_r("baudrate", tmp, 64);
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,
i386boot_bss_start+i386boot_bss_size+CFG_STACK_SIZE-1);
-
+
return (0);
}
*/
static int display_dram_config (void)
{
- DECLARE_GLOBAL_DATA_PTR;
int i;
puts ("DRAM Configuration:\n");
printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
print_size (gd->bd->bi_dram[i].size, "\n");
}
-
+
return (0);
}
}
-
/*
* Breath some life into the board...
*
dram_init, /* configure available RAM banks */
mem_malloc_init, /* dependant on dram_init */
interrupt_init, /* set up exceptions */
- timer_init,
+ timer_init,
serial_init,
env_init, /* initialize environment */
init_baudrate, /* initialze baudrate settings */
void start_i386boot (void)
{
- DECLARE_GLOBAL_DATA_PTR;
char *s;
int i;
ulong size;
static gd_t gd_data;
static bd_t bd_data;
init_fnc_t **init_fnc_ptr;
-
+
show_boot_progress(0x21);
gd = global_data = &gd_data;
-
+ /* 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;
-
+
for (init_fnc_ptr = init_sequence, i=0; *init_fnc_ptr; ++init_fnc_ptr, i++) {
show_boot_progress(0xa130|i);
devices_init ();
- /* allocate syscalls table (console_init_r will fill it in */
- syscall_tbl = (void **) malloc (NR_SYSCALLS * sizeof (void *));
- memset(syscall_tbl, 0, NR_SYSCALLS * sizeof (void *));
-
+ jumptable_init ();
+
/* Initialize the console (after the relocation and devices init) */
console_init_r();
- syscalls_init();
#ifdef CONFIG_MISC_INIT_R
/* miscellaneous platform dependent initialisations */
misc_init_r();
#endif
-
-#if (CONFIG_COMMANDS & CFG_CMD_NET) && (0)
- WATCHDOG_RESET();
-# ifdef DEBUG
- puts ("Reset Ethernet PHY\n");
-# endif
- reset_phy();
-#endif
-
-#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
+#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
puts ("PCMCIA:");
pcmcia_init();
#endif
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
WATCHDOG_RESET();
puts("KGDB: ");
kgdb_init();
#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
serial_buffered_init();
#endif
-
+
#ifdef CONFIG_STATUS_LED
status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif
if ((s = getenv ("loadaddr")) != NULL) {
load_addr = simple_strtoul (s, NULL, 16);
}
-#if (CONFIG_COMMANDS & CFG_CMD_NET)
+#if defined(CONFIG_CMD_NET)
if ((s = getenv ("bootfile")) != NULL) {
copy_filename (BootFile, s, sizeof (BootFile));
}
-#endif /* CFG_CMD_NET */
+#endif
WATCHDOG_RESET();
-#if (CONFIG_COMMANDS & CFG_CMD_IDE)
+#if defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
puts("IDE: ");
ide_init();
-#endif /* CFG_CMD_IDE */
+#endif
-#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
+#if defined(CONFIG_CMD_SCSI)
WATCHDOG_RESET();
puts("SCSI: ");
scsi_init();
#endif
-#if (CONFIG_COMMANDS & CFG_CMD_DOC)
+#if defined(CONFIG_CMD_DOC)
WATCHDOG_RESET();
puts("DOC: ");
doc_init();
#endif
-#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
+#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();
/*
#endif
-
#ifdef CONFIG_POST
post_run (NULL, POST_RAM | post_bootmode_get(0));
- if (post_bootmode_get(0) & POST_POWERFAIL) {
- post_bootmode_clear();
- board_poweroff();
- }
#endif
-
-
+
+
show_boot_progress(0x29);
-
+
/* main_loop() can return to retry autoboot, if so just run it again. */
for (;;) {
main_loop();
puts ("### ERROR ### Please RESET the board ###\n");
for (;;);
}
-
-
projects / karo-tx-uboot.git / blobdiff