mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-19 08:28:51 +09:00
775 lines
19 KiB
C
775 lines
19 KiB
C
/*
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* (C) Copyright 2008 Semihalf
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*
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* (C) Copyright 2000-2006
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <watchdog.h>
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#include <command.h>
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#include <image.h>
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#include <malloc.h>
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#include <zlib.h>
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#include <bzlib.h>
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#include <environment.h>
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#include <asm/byteorder.h>
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#if defined(CONFIG_OF_LIBFDT)
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#include <fdt.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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static void fdt_error (const char *msg);
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static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
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bootm_headers_t *images, char **of_flat_tree, ulong *of_size);
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static int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
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cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
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char **of_flat_tree, ulong *of_size);
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#endif
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#ifdef CFG_INIT_RAM_LOCK
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#include <asm/cache.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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extern ulong get_effective_memsize(void);
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static ulong get_sp (void);
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static void set_clocks_in_mhz (bd_t *kbd);
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#ifndef CFG_LINUX_LOWMEM_MAX_SIZE
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#define CFG_LINUX_LOWMEM_MAX_SIZE (768*1024*1024)
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#endif
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void __attribute__((noinline))
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do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
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bootm_headers_t *images)
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{
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ulong sp;
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ulong initrd_start, initrd_end;
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ulong rd_data_start, rd_data_end, rd_len;
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ulong size;
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ulong cmd_start, cmd_end, bootmap_base;
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bd_t *kbd;
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ulong ep = 0;
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void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
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int ret;
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ulong of_size = 0;
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struct lmb *lmb = images->lmb;
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#if defined(CONFIG_OF_LIBFDT)
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char *of_flat_tree = NULL;
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#endif
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bootmap_base = getenv_bootm_low();
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size = getenv_bootm_size();
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#ifdef DEBUG
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if (((u64)bootmap_base + size) > (CFG_SDRAM_BASE + (u64)gd->ram_size))
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puts("WARNING: bootm_low + bootm_size exceed total memory\n");
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if ((bootmap_base + size) > get_effective_memsize())
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puts("WARNING: bootm_low + bootm_size exceed eff. memory\n");
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#endif
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size = min(size, get_effective_memsize());
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size = min(size, CFG_LINUX_LOWMEM_MAX_SIZE);
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if (size < getenv_bootm_size()) {
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ulong base = bootmap_base + size;
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printf("WARNING: adjusting available memory to %x\n", size);
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lmb_reserve(lmb, base, getenv_bootm_size() - size);
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}
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/*
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* Booting a (Linux) kernel image
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*
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* Allocate space for command line and board info - the
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* address should be as high as possible within the reach of
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* the kernel (see CFG_BOOTMAPSZ settings), but in unused
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* memory, which means far enough below the current stack
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* pointer.
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*/
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sp = get_sp();
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debug ("## Current stack ends at 0x%08lx\n", sp);
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/* adjust sp by 1K to be safe */
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sp -= 1024;
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lmb_reserve(lmb, sp, (CFG_SDRAM_BASE + get_effective_memsize() - sp));
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#if defined(CONFIG_OF_LIBFDT)
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/* find flattened device tree */
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ret = boot_get_fdt (cmdtp, flag, argc, argv, images, &of_flat_tree, &of_size);
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if (ret)
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goto error;
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#endif
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if (!of_size) {
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/* allocate space and init command line */
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ret = boot_get_cmdline (lmb, &cmd_start, &cmd_end, bootmap_base);
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if (ret) {
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puts("ERROR with allocation of cmdline\n");
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goto error;
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}
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/* allocate space for kernel copy of board info */
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ret = boot_get_kbd (lmb, &kbd, bootmap_base);
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if (ret) {
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puts("ERROR with allocation of kernel bd\n");
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goto error;
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}
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set_clocks_in_mhz(kbd);
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}
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/* find kernel entry point */
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if (images->legacy_hdr_valid) {
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ep = image_get_ep (images->legacy_hdr_os);
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#if defined(CONFIG_FIT)
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} else if (images->fit_uname_os) {
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ret = fit_image_get_entry (images->fit_hdr_os,
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images->fit_noffset_os, &ep);
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if (ret) {
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puts ("Can't get entry point property!\n");
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goto error;
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}
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#endif
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} else {
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puts ("Could not find kernel entry point!\n");
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goto error;
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}
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kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))ep;
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/* find ramdisk */
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ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_PPC,
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&rd_data_start, &rd_data_end);
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if (ret)
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goto error;
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rd_len = rd_data_end - rd_data_start;
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#if defined(CONFIG_OF_LIBFDT)
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ret = boot_relocate_fdt (lmb, bootmap_base,
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cmdtp, flag, argc, argv, &of_flat_tree, &of_size);
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/*
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* Add the chosen node if it doesn't exist, add the env and bd_t
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* if the user wants it (the logic is in the subroutines).
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*/
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if (of_size) {
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/* pass in dummy initrd info, we'll fix up later */
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if (fdt_chosen(of_flat_tree, rd_data_start, rd_data_end, 0) < 0) {
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fdt_error ("/chosen node create failed");
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goto error;
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}
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#ifdef CONFIG_OF_HAS_UBOOT_ENV
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if (fdt_env(of_flat_tree) < 0) {
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fdt_error ("/u-boot-env node create failed");
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goto error;
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}
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#endif
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#ifdef CONFIG_OF_HAS_BD_T
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if (fdt_bd_t(of_flat_tree) < 0) {
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fdt_error ("/bd_t node create failed");
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goto error;
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}
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#endif
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#ifdef CONFIG_OF_BOARD_SETUP
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/* Call the board-specific fixup routine */
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ft_board_setup(of_flat_tree, gd->bd);
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#endif
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}
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#endif /* CONFIG_OF_LIBFDT */
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ret = boot_ramdisk_high (lmb, rd_data_start, rd_len, &initrd_start, &initrd_end);
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if (ret)
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goto error;
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#if defined(CONFIG_OF_LIBFDT)
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/* fixup the initrd now that we know where it should be */
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if ((of_flat_tree) && (initrd_start && initrd_end)) {
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uint64_t addr, size;
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int total = fdt_num_mem_rsv(of_flat_tree);
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int j;
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/* Look for the dummy entry and delete it */
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for (j = 0; j < total; j++) {
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fdt_get_mem_rsv(of_flat_tree, j, &addr, &size);
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if (addr == rd_data_start) {
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fdt_del_mem_rsv(of_flat_tree, j);
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break;
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}
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}
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ret = fdt_add_mem_rsv(of_flat_tree, initrd_start,
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initrd_end - initrd_start + 1);
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if (ret < 0) {
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printf("fdt_chosen: %s\n", fdt_strerror(ret));
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goto error;
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}
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do_fixup_by_path_u32(of_flat_tree, "/chosen",
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"linux,initrd-start", initrd_start, 0);
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do_fixup_by_path_u32(of_flat_tree, "/chosen",
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"linux,initrd-end", initrd_end, 0);
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}
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#endif
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debug ("## Transferring control to Linux (at address %08lx) ...\n",
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(ulong)kernel);
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show_boot_progress (15);
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#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
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unlock_ram_in_cache();
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#endif
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if (!images->autostart)
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return ;
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#if defined(CONFIG_OF_LIBFDT)
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if (of_flat_tree) { /* device tree; boot new style */
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/*
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* Linux Kernel Parameters (passing device tree):
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* r3: pointer to the fdt, followed by the board info data
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* r4: physical pointer to the kernel itself
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* r5: NULL
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* r6: NULL
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* r7: NULL
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*/
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debug (" Booting using OF flat tree...\n");
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(*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
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/* does not return */
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} else
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#endif
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{
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/*
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* Linux Kernel Parameters (passing board info data):
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* r3: ptr to board info data
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* r4: initrd_start or 0 if no initrd
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* r5: initrd_end - unused if r4 is 0
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* r6: Start of command line string
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* r7: End of command line string
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*/
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debug (" Booting using board info...\n");
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(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
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/* does not return */
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}
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return ;
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error:
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if (images->autostart)
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do_reset (cmdtp, flag, argc, argv);
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return ;
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}
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static ulong get_sp (void)
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{
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ulong sp;
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asm( "mr %0,1": "=r"(sp) : );
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return sp;
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}
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static void set_clocks_in_mhz (bd_t *kbd)
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{
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char *s;
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if ((s = getenv ("clocks_in_mhz")) != NULL) {
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/* convert all clock information to MHz */
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kbd->bi_intfreq /= 1000000L;
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kbd->bi_busfreq /= 1000000L;
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#if defined(CONFIG_MPC8220)
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kbd->bi_inpfreq /= 1000000L;
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kbd->bi_pcifreq /= 1000000L;
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kbd->bi_pevfreq /= 1000000L;
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kbd->bi_flbfreq /= 1000000L;
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kbd->bi_vcofreq /= 1000000L;
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#endif
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#if defined(CONFIG_CPM2)
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kbd->bi_cpmfreq /= 1000000L;
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kbd->bi_brgfreq /= 1000000L;
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kbd->bi_sccfreq /= 1000000L;
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kbd->bi_vco /= 1000000L;
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#endif
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#if defined(CONFIG_MPC5xxx)
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kbd->bi_ipbfreq /= 1000000L;
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kbd->bi_pcifreq /= 1000000L;
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#endif /* CONFIG_MPC5xxx */
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}
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}
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#if defined(CONFIG_OF_LIBFDT)
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static void fdt_error (const char *msg)
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{
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puts ("ERROR: ");
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puts (msg);
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puts (" - must RESET the board to recover.\n");
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}
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static image_header_t *image_get_fdt (ulong fdt_addr)
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{
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image_header_t *fdt_hdr = (image_header_t *)fdt_addr;
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image_print_contents (fdt_hdr);
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puts (" Verifying Checksum ... ");
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if (!image_check_hcrc (fdt_hdr)) {
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fdt_error ("fdt header checksum invalid");
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return NULL;
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}
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if (!image_check_dcrc (fdt_hdr)) {
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fdt_error ("fdt checksum invalid");
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return NULL;
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}
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puts ("OK\n");
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if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) {
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fdt_error ("uImage is not a fdt");
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return NULL;
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}
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if (image_get_comp (fdt_hdr) != IH_COMP_NONE) {
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fdt_error ("uImage is compressed");
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return NULL;
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}
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if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) {
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fdt_error ("uImage data is not a fdt");
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return NULL;
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}
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return fdt_hdr;
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}
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/**
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* fit_check_fdt - verify FIT format FDT subimage
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* @fit_hdr: pointer to the FIT header
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* fdt_noffset: FDT subimage node offset within FIT image
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* @verify: data CRC verification flag
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*
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* fit_check_fdt() verifies integrity of the FDT subimage and from
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* specified FIT image.
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*
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* returns:
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* 1, on success
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* 0, on failure
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*/
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#if defined(CONFIG_FIT)
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static int fit_check_fdt (const void *fit, int fdt_noffset, int verify)
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{
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fit_image_print (fit, fdt_noffset, " ");
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if (verify) {
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puts (" Verifying Hash Integrity ... ");
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if (!fit_image_check_hashes (fit, fdt_noffset)) {
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fdt_error ("Bad Data Hash");
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return 0;
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}
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puts ("OK\n");
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}
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if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) {
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fdt_error ("Not a FDT image");
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return 0;
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}
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if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) {
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fdt_error ("FDT image is compressed");
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return 0;
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}
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return 1;
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}
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#endif /* CONFIG_FIT */
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static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
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bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
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{
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ulong fdt_addr;
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image_header_t *fdt_hdr;
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char *fdt_blob = NULL;
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ulong image_start, image_end;
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ulong load_start, load_end;
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#if defined(CONFIG_FIT)
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void *fit_hdr;
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const char *fit_uname_config = NULL;
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const char *fit_uname_fdt = NULL;
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ulong default_addr;
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int cfg_noffset;
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int fdt_noffset;
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const void *data;
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size_t size;
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#endif
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*of_flat_tree = NULL;
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*of_size = 0;
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if (argc > 3 || genimg_has_config (images)) {
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#if defined(CONFIG_FIT)
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if (argc > 3) {
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/*
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* If the FDT blob comes from the FIT image and the
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* FIT image address is omitted in the command line
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* argument, try to use ramdisk or os FIT image
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* address or default load address.
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*/
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if (images->fit_uname_rd)
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default_addr = (ulong)images->fit_hdr_rd;
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else if (images->fit_uname_os)
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default_addr = (ulong)images->fit_hdr_os;
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else
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default_addr = load_addr;
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if (fit_parse_conf (argv[3], default_addr,
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&fdt_addr, &fit_uname_config)) {
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debug ("* fdt: config '%s' from image at 0x%08lx\n",
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fit_uname_config, fdt_addr);
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} else if (fit_parse_subimage (argv[3], default_addr,
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&fdt_addr, &fit_uname_fdt)) {
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debug ("* fdt: subimage '%s' from image at 0x%08lx\n",
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fit_uname_fdt, fdt_addr);
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} else
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#endif
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{
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fdt_addr = simple_strtoul(argv[3], NULL, 16);
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debug ("* fdt: cmdline image address = 0x%08lx\n",
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fdt_addr);
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}
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#if defined(CONFIG_FIT)
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} else {
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/* use FIT configuration provided in first bootm
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* command argument
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*/
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fdt_addr = (ulong)images->fit_hdr_os;
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fit_uname_config = images->fit_uname_cfg;
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debug ("* fdt: using config '%s' from image at 0x%08lx\n",
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fit_uname_config, fdt_addr);
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/*
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* Check whether configuration has FDT blob defined,
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* if not quit silently.
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*/
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fit_hdr = (void *)fdt_addr;
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cfg_noffset = fit_conf_get_node (fit_hdr,
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fit_uname_config);
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if (cfg_noffset < 0) {
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debug ("* fdt: no such config\n");
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return 0;
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}
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fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
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cfg_noffset);
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if (fdt_noffset < 0) {
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debug ("* fdt: no fdt in config\n");
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return 0;
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}
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}
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#endif
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debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n",
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fdt_addr);
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/* copy from dataflash if needed */
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fdt_addr = genimg_get_image (fdt_addr);
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/*
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* Check if there is an FDT image at the
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* address provided in the second bootm argument
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* check image type, for FIT images get a FIT node.
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*/
|
|
switch (genimg_get_format ((void *)fdt_addr)) {
|
|
case IMAGE_FORMAT_LEGACY:
|
|
/* verify fdt_addr points to a valid image header */
|
|
printf ("## Flattened Device Tree from Legacy Image at %08lx\n",
|
|
fdt_addr);
|
|
fdt_hdr = image_get_fdt (fdt_addr);
|
|
if (!fdt_hdr)
|
|
goto error;
|
|
|
|
/*
|
|
* move image data to the load address,
|
|
* make sure we don't overwrite initial image
|
|
*/
|
|
image_start = (ulong)fdt_hdr;
|
|
image_end = image_get_image_end (fdt_hdr);
|
|
|
|
load_start = image_get_load (fdt_hdr);
|
|
load_end = load_start + image_get_data_size (fdt_hdr);
|
|
|
|
if ((load_start < image_end) && (load_end > image_start)) {
|
|
fdt_error ("fdt overwritten");
|
|
goto error;
|
|
}
|
|
|
|
debug (" Loading FDT from 0x%08lx to 0x%08lx\n",
|
|
image_get_data (fdt_hdr), load_start);
|
|
|
|
memmove ((void *)load_start,
|
|
(void *)image_get_data (fdt_hdr),
|
|
image_get_data_size (fdt_hdr));
|
|
|
|
fdt_blob = (char *)load_start;
|
|
break;
|
|
case IMAGE_FORMAT_FIT:
|
|
/*
|
|
* This case will catch both: new uImage format
|
|
* (libfdt based) and raw FDT blob (also libfdt
|
|
* based).
|
|
*/
|
|
#if defined(CONFIG_FIT)
|
|
/* check FDT blob vs FIT blob */
|
|
if (fit_check_format ((const void *)fdt_addr)) {
|
|
/*
|
|
* FIT image
|
|
*/
|
|
fit_hdr = (void *)fdt_addr;
|
|
printf ("## Flattened Device Tree from FIT Image at %08lx\n",
|
|
fdt_addr);
|
|
|
|
if (!fit_uname_fdt) {
|
|
/*
|
|
* no FDT blob image node unit name,
|
|
* try to get config node first. If
|
|
* config unit node name is NULL
|
|
* fit_conf_get_node() will try to
|
|
* find default config node
|
|
*/
|
|
cfg_noffset = fit_conf_get_node (fit_hdr,
|
|
fit_uname_config);
|
|
|
|
if (cfg_noffset < 0) {
|
|
fdt_error ("Could not find configuration node\n");
|
|
goto error;
|
|
}
|
|
|
|
fit_uname_config = fdt_get_name (fit_hdr,
|
|
cfg_noffset, NULL);
|
|
printf (" Using '%s' configuration\n",
|
|
fit_uname_config);
|
|
|
|
fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
|
|
cfg_noffset);
|
|
fit_uname_fdt = fit_get_name (fit_hdr,
|
|
fdt_noffset, NULL);
|
|
} else {
|
|
/* get FDT component image node offset */
|
|
fdt_noffset = fit_image_get_node (fit_hdr,
|
|
fit_uname_fdt);
|
|
}
|
|
if (fdt_noffset < 0) {
|
|
fdt_error ("Could not find subimage node\n");
|
|
goto error;
|
|
}
|
|
|
|
printf (" Trying '%s' FDT blob subimage\n",
|
|
fit_uname_fdt);
|
|
|
|
if (!fit_check_fdt (fit_hdr, fdt_noffset,
|
|
images->verify))
|
|
goto error;
|
|
|
|
/* get ramdisk image data address and length */
|
|
if (fit_image_get_data (fit_hdr, fdt_noffset,
|
|
&data, &size)) {
|
|
fdt_error ("Could not find FDT subimage data");
|
|
goto error;
|
|
}
|
|
|
|
/* verift that image data is a proper FDT blob */
|
|
if (fdt_check_header ((char *)data) != 0) {
|
|
fdt_error ("Subimage data is not a FTD");
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* move image data to the load address,
|
|
* make sure we don't overwrite initial image
|
|
*/
|
|
image_start = (ulong)fit_hdr;
|
|
image_end = fit_get_end (fit_hdr);
|
|
|
|
if (fit_image_get_load (fit_hdr, fdt_noffset,
|
|
&load_start) == 0) {
|
|
load_end = load_start + size;
|
|
|
|
if ((load_start < image_end) &&
|
|
(load_end > image_start)) {
|
|
fdt_error ("FDT overwritten");
|
|
goto error;
|
|
}
|
|
|
|
printf (" Loading FDT from 0x%08lx to 0x%08lx\n",
|
|
(ulong)data, load_start);
|
|
|
|
memmove ((void *)load_start,
|
|
(void *)data, size);
|
|
|
|
fdt_blob = (char *)load_start;
|
|
} else {
|
|
fdt_blob = (char *)data;
|
|
}
|
|
|
|
images->fit_hdr_fdt = fit_hdr;
|
|
images->fit_uname_fdt = fit_uname_fdt;
|
|
images->fit_noffset_fdt = fdt_noffset;
|
|
break;
|
|
} else
|
|
#endif
|
|
{
|
|
/*
|
|
* FDT blob
|
|
*/
|
|
debug ("* fdt: raw FDT blob\n");
|
|
printf ("## Flattened Device Tree blob at %08lx\n", fdt_blob);
|
|
fdt_blob = (char *)fdt_addr;
|
|
}
|
|
break;
|
|
default:
|
|
fdt_error ("Did not find a cmdline Flattened Device Tree");
|
|
goto error;
|
|
}
|
|
|
|
printf (" Booting using the fdt blob at 0x%x\n", fdt_blob);
|
|
|
|
} else if (images->legacy_hdr_valid &&
|
|
image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) {
|
|
|
|
ulong fdt_data, fdt_len;
|
|
|
|
/*
|
|
* Now check if we have a legacy multi-component image,
|
|
* get second entry data start address and len.
|
|
*/
|
|
printf ("## Flattened Device Tree from multi "
|
|
"component Image at %08lX\n",
|
|
(ulong)images->legacy_hdr_os);
|
|
|
|
image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len);
|
|
if (fdt_len) {
|
|
|
|
fdt_blob = (char *)fdt_data;
|
|
printf (" Booting using the fdt at 0x%x\n", fdt_blob);
|
|
|
|
if (fdt_check_header (fdt_blob) != 0) {
|
|
fdt_error ("image is not a fdt");
|
|
goto error;
|
|
}
|
|
|
|
if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) {
|
|
fdt_error ("fdt size != image size");
|
|
goto error;
|
|
}
|
|
} else {
|
|
fdt_error ("Did not find a Flattened Device Tree "
|
|
"in a legacy multi-component image");
|
|
goto error;
|
|
}
|
|
} else {
|
|
debug ("## No Flattened Device Tree\n");
|
|
return 0;
|
|
}
|
|
|
|
*of_flat_tree = fdt_blob;
|
|
*of_size = be32_to_cpu (fdt_totalsize (fdt_blob));
|
|
debug (" of_flat_tree at 0x%08lx size 0x%08lx\n",
|
|
*of_flat_tree, *of_size);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
do_reset (cmdtp, flag, argc, argv);
|
|
return 1;
|
|
}
|
|
|
|
static int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
|
|
cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
|
|
char **of_flat_tree, ulong *of_size)
|
|
{
|
|
char *fdt_blob = *of_flat_tree;
|
|
ulong relocate = 0;
|
|
ulong of_len = 0;
|
|
|
|
/* nothing to do */
|
|
if (*of_size == 0)
|
|
return 0;
|
|
|
|
if (fdt_check_header (fdt_blob) != 0) {
|
|
fdt_error ("image is not a fdt");
|
|
goto error;
|
|
}
|
|
|
|
#ifndef CFG_NO_FLASH
|
|
/* move the blob if it is in flash (set relocate) */
|
|
if (addr2info ((ulong)fdt_blob) != NULL)
|
|
relocate = 1;
|
|
#endif
|
|
|
|
/*
|
|
* The blob must be within CFG_BOOTMAPSZ,
|
|
* so we flag it to be copied if it is not.
|
|
*/
|
|
if (fdt_blob >= (char *)CFG_BOOTMAPSZ)
|
|
relocate = 1;
|
|
|
|
of_len = be32_to_cpu (fdt_totalsize (fdt_blob));
|
|
|
|
/* move flattend device tree if needed */
|
|
if (relocate) {
|
|
int err;
|
|
ulong of_start;
|
|
|
|
/* position on a 4K boundary before the alloc_current */
|
|
of_start = lmb_alloc_base(lmb, of_len, 0x1000,
|
|
(CFG_BOOTMAPSZ + bootmap_base));
|
|
|
|
if (of_start == 0) {
|
|
puts("device tree - allocation error\n");
|
|
goto error;
|
|
}
|
|
|
|
debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
|
|
(ulong)fdt_blob, (ulong)fdt_blob + of_len - 1,
|
|
of_len, of_len);
|
|
|
|
printf (" Loading Device Tree to %08lx, end %08lx ... ",
|
|
of_start, of_start + of_len - 1);
|
|
|
|
err = fdt_open_into (fdt_blob, (void *)of_start, of_len);
|
|
if (err != 0) {
|
|
fdt_error ("fdt move failed");
|
|
goto error;
|
|
}
|
|
puts ("OK\n");
|
|
|
|
*of_flat_tree = (char *)of_start;
|
|
} else {
|
|
*of_flat_tree = fdt_blob;
|
|
lmb_reserve(lmb, (ulong)fdt, of_len);
|
|
}
|
|
|
|
return 0;
|
|
|
|
error:
|
|
return 1;
|
|
}
|
|
#endif
|