#include <common.h>
#include <command.h>
#include <malloc.h>
-#include <timestamp.h>
#include <version.h>
#include <watchdog.h>
#include <stdio_dev.h>
+#include <serial.h>
#include <net.h>
+#include <linux/compiler.h>
+#include <asm/processor.h>
+#include <asm/microblaze_intc.h>
+#include <fdtdec.h>
DECLARE_GLOBAL_DATA_PTR;
-const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")";
-
-#ifdef CONFIG_SYS_GPIO_0
-extern int gpio_init (void);
-#endif
-#ifdef CONFIG_SYS_INTC_0
-extern int interrupts_init (void);
-#endif
-
-#if defined(CONFIG_CMD_NET)
-extern int eth_init (bd_t * bis);
-#endif
-#ifdef CONFIG_SYS_TIMER_0
-extern int timer_init (void);
-#endif
-#ifdef CONFIG_SYS_FSL_2
-extern void fsl_init2 (void);
-#endif
-
/*
* All attempts to come up with a "common" initialization sequence
* that works for all boards and architectures failed: some of the
init_fnc_t *init_sequence[] = {
env_init,
- serial_init,
-#ifdef CONFIG_SYS_GPIO_0
- gpio_init,
+#ifdef CONFIG_OF_CONTROL
+ fdtdec_check_fdt,
#endif
-#ifdef CONFIG_SYS_INTC_0
+ serial_init,
+ console_init_f,
interrupts_init,
+#ifdef CONFIG_XILINX_TB_WATCHDOG
+ hw_watchdog_init,
#endif
-#ifdef CONFIG_SYS_TIMER_0
timer_init,
-#endif
-#ifdef CONFIG_SYS_FSL_2
- fsl_init2,
-#endif
NULL,
};
-void board_init (void)
+unsigned long monitor_flash_len;
+
+void board_init_f(ulong not_used)
{
bd_t *bd;
init_fnc_t **init_fnc_ptr;
- gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET;
- char *s;
+ gd = (gd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET);
+ bd = (bd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET
+ - GENERATED_BD_INFO_SIZE);
#if defined(CONFIG_CMD_FLASH)
ulong flash_size = 0;
#endif
asm ("nop"); /* FIXME gd is not initialize - wait */
- memset ((void *)gd, 0, CONFIG_SYS_GBL_DATA_SIZE);
- gd->bd = (bd_t *) (gd + 1); /* At end of global data */
+ memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
+ memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
+ gd->bd = bd;
gd->baudrate = CONFIG_BAUDRATE;
- bd = gd->bd;
bd->bi_baudrate = CONFIG_BAUDRATE;
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
+ monitor_flash_len = __end - __text_start;
+
+#ifdef CONFIG_OF_EMBED
+ /* Get a pointer to the FDT */
+ gd->fdt_blob = _binary_dt_dtb_start;
+#elif defined CONFIG_OF_SEPARATE
+ /* FDT is at end of image */
+ gd->fdt_blob = (void *)__end;
+#endif
+ /* Allow the early environment to override the fdt address */
+ gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
+ (uintptr_t)gd->fdt_blob);
+
/*
* The Malloc area is immediately below the monitor copy in DRAM
* aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
* as our monitory code is run from SDRAM
*/
- mem_malloc_init (CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
+ mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
+
+ serial_initialize();
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
- WATCHDOG_RESET ();
- if ((*init_fnc_ptr) () != 0) {
- hang ();
- }
+ WATCHDOG_RESET();
+ if ((*init_fnc_ptr) () != 0)
+ hang();
}
- puts ("SDRAM :\n");
- printf ("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF");
- printf ("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF");
- printf ("\tU-Boot Start:0x%08x\n", TEXT_BASE);
+#ifdef CONFIG_OF_CONTROL
+ /* For now, put this check after the console is ready */
+ if (fdtdec_prepare_fdt())
+ panic("** No FDT - please see doc/README.fdt-control");
+ else
+ printf("DTB: 0x%x\n", (u32)gd->fdt_blob);
+#endif
+
+ puts("SDRAM :\n");
+ printf("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF");
+ printf("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF");
+ printf("\tU-Boot Start:0x%08x\n", CONFIG_SYS_TEXT_BASE);
#if defined(CONFIG_CMD_FLASH)
- puts ("FLASH: ");
+ puts("Flash: ");
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
- if (0 < (flash_size = flash_init ())) {
- bd->bi_flashsize = flash_size;
- bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + flash_size;
+ flash_size = flash_init();
+ if (bd->bi_flashstart && flash_size > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
- print_size (flash_size, "");
+ print_size(flash_size, "");
/*
* Compute and print flash CRC if flashchecksum is set to 'y'
*
* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
*/
- s = getenv ("flashchecksum");
- if (s && (*s == 'y')) {
- printf (" CRC: %08X",
- crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
+ if (getenv_yesno("flashchecksum") == 1) {
+ printf(" CRC: %08X",
+ crc32(0, (const u8 *)bd->bi_flashstart,
+ flash_size)
);
}
- putc ('\n');
+ putc('\n');
# else /* !CONFIG_SYS_FLASH_CHECKSUM */
- print_size (flash_size, "\n");
+ print_size(flash_size, "\n");
# endif /* CONFIG_SYS_FLASH_CHECKSUM */
+ bd->bi_flashsize = flash_size;
+ bd->bi_flashoffset = bd->bi_flashstart + flash_size;
} else {
- puts ("Flash init FAILED");
+ puts("Flash init FAILED");
bd->bi_flashstart = 0;
bd->bi_flashsize = 0;
bd->bi_flashoffset = 0;
#endif
/* relocate environment function pointers etc. */
- env_relocate ();
+ env_relocate();
/* Initialize stdio devices */
- stdio_init ();
+ stdio_init();
- if ((s = getenv ("loadaddr")) != NULL) {
- load_addr = simple_strtoul (s, NULL, 16);
- }
+ /* Initialize the jump table for applications */
+ jumptable_init();
-#if defined(CONFIG_CMD_NET)
- /* IP Address */
- bd->bi_ip_addr = getenv_IPaddr("ipaddr");
+ /* Initialize the console (after the relocation and devices init) */
+ console_init_r();
+ board_init();
+
+ /* Initialize from environment */
+ load_addr = getenv_ulong("loadaddr", 16, load_addr);
+
+#if defined(CONFIG_CMD_NET)
printf("Net: ");
eth_initialize(gd->bd);
/* main_loop */
for (;;) {
- WATCHDOG_RESET ();
- main_loop ();
+ WATCHDOG_RESET();
+ main_loop();
}
}
-void hang (void)
+void hang(void)
{
- puts ("### ERROR ### Please RESET the board ###\n");
- for (;;) ;
+ puts("### ERROR ### Please RESET the board ###\n");
+ for (;;)
+ ;
}
projects / karo-tx-uboot.git / blobdiff