diff options
Diffstat (limited to 'lib_arm/armlinux.c')
| -rw-r--r-- | lib_arm/armlinux.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/lib_arm/armlinux.c b/lib_arm/armlinux.c deleted file mode 100644 index 4f9aae6..0000000 --- a/lib_arm/armlinux.c +++ /dev/null @@ -1,384 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * 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 <command.h> -#include <image.h> -#include <zlib.h> -#include <asm/byteorder.h> -#ifdef CONFIG_HAS_DATAFLASH -#include <dataflash.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/*cmd_boot.c*/ -extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); - -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) || \ - defined (CONFIG_VFD) || \ - defined (CONFIG_LCD) -static void setup_start_tag (bd_t *bd); - -# ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags (bd_t *bd); -# endif -static void setup_commandline_tag (bd_t *bd, char *commandline); - -#if 0 -static void setup_ramdisk_tag (bd_t *bd); -#endif -# ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag (bd_t *bd, ulong initrd_start, - ulong initrd_end); -# endif -static void setup_end_tag (bd_t *bd); - -# if defined (CONFIG_VFD) || defined (CONFIG_LCD) -static void setup_videolfb_tag (gd_t *gd); -# endif - - -static struct tag *params; -#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ - -void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], - image_header_t *hdr, int verify) -{ - ulong rd_addr; - ulong rd_data, rd_len = 0; - ulong initrd_start, initrd_end; - image_header_t *rd_hdr; - void (*theKernel)(int zero, int arch, uint params); - bd_t *bd = gd->bd; - -#ifdef CONFIG_CMDLINE_TAG - char *commandline = getenv ("bootargs"); -#endif - - theKernel = (void (*)(int, int, uint))image_get_ep (hdr); - - /* - * Check if there is an initrd image - */ - if (argc >= 3) { - show_boot_progress (9); - - rd_addr = simple_strtoul (argv[2], NULL, 16); - printf ("## Loading Ramdisk Image at %08lx ...\n", rd_addr); - - /* Copy header so we can blank CRC field for re-calculation */ -#ifdef CONFIG_HAS_DATAFLASH - if (addr_dataflash (rd_addr)) { - rd_hdr = (image_header_t *)CFG_LOAD_ADDR; - read_dataflash (rd_addr, image_get_header_size (), - (char *)rd_hdr); - } else -#endif - rd_hdr = (image_header_t *)rd_addr; - - if (!image_check_magic (rd_hdr)) { - printf ("Bad Magic Number\n"); - show_boot_progress (-10); - do_reset (cmdtp, flag, argc, argv); - } - - if (!image_check_hcrc (rd_hdr)) { - printf ("Bad Header Checksum\n"); - show_boot_progress (-11); - do_reset (cmdtp, flag, argc, argv); - } - - show_boot_progress (10); - - print_image_hdr (rd_hdr); - - rd_data = image_get_data (rd_hdr); - rd_len = image_get_data_size (rd_hdr); - -#ifdef CONFIG_HAS_DATAFLASH - if (addr_dataflash (rd_addr)) - read_dataflash (rd_addr + image_get_header_size (), - rd_len, (char *)rd_data); -#endif - - if (verify) { - printf (" Verifying Checksum ... "); - if (!image_get_dcrc (rd_hdr)) { - printf ("Bad Data CRC\n"); - show_boot_progress (-12); - do_reset (cmdtp, flag, argc, argv); - } - printf ("OK\n"); - } - - show_boot_progress (11); - - if (!image_check_os (rd_hdr, IH_OS_LINUX) || - !image_check_arch (rd_hdr, IH_ARCH_ARM) || - !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { - printf ("No Linux ARM Ramdisk Image\n"); - show_boot_progress (-13); - do_reset (cmdtp, flag, argc, argv); - } - -#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) - /* - *we need to copy the ramdisk to SRAM to let Linux boot - */ - memmove ((void *)image_get_load (rd_hdr), (uchar *)rd_data, rd_len); - rd_data = image_get_load (rd_hdr); -#endif /* CONFIG_B2 || CONFIG_EVB4510 */ - - /* - * Now check if we have a multifile image - */ - } else if (image_check_type (hdr, IH_TYPE_MULTI)) { - /* - * Get second entry data start address and len - */ - show_boot_progress (13); - image_multi_getimg (hdr, 1, &rd_data, &rd_len); - } else { - /* - * no initrd image - */ - show_boot_progress (14); - - rd_len = rd_data = 0; - } - -#ifdef DEBUG - if (!rd_data) { - printf ("No initrd\n"); - } -#endif - - if (rd_data) { - initrd_start = rd_data; - initrd_end = initrd_start + rd_len; - } else { - initrd_start = 0; - initrd_end = 0; - } - - show_boot_progress (15); - - debug ("## Transferring control to Linux (at address %08lx) ...\n", - (ulong) theKernel); - -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) || \ - defined (CONFIG_LCD) || \ - defined (CONFIG_VFD) - setup_start_tag (bd); -#ifdef CONFIG_SERIAL_TAG - setup_serial_tag (¶ms); -#endif -#ifdef CONFIG_REVISION_TAG - setup_revision_tag (¶ms); -#endif -#ifdef CONFIG_SETUP_MEMORY_TAGS - setup_memory_tags (bd); -#endif -#ifdef CONFIG_CMDLINE_TAG - setup_commandline_tag (bd, commandline); -#endif -#ifdef CONFIG_INITRD_TAG - if (initrd_start && initrd_end) - setup_initrd_tag (bd, initrd_start, initrd_end); -#endif -#if defined (CONFIG_VFD) || defined (CONFIG_LCD) - setup_videolfb_tag ((gd_t *) gd); -#endif - setup_end_tag (bd); -#endif - - /* we assume that the kernel is in place */ - printf ("\nStarting kernel ...\n\n"); - -#ifdef CONFIG_USB_DEVICE - { - extern void udc_disconnect (void); - udc_disconnect (); - } -#endif - - cleanup_before_linux (); - - theKernel (0, bd->bi_arch_number, bd->bi_boot_params); -} - - -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) || \ - defined (CONFIG_LCD) || \ - defined (CONFIG_VFD) -static void setup_start_tag (bd_t *bd) -{ - params = (struct tag *) bd->bi_boot_params; - - params->hdr.tag = ATAG_CORE; - params->hdr.size = tag_size (tag_core); - - params->u.core.flags = 0; - params->u.core.pagesize = 0; - params->u.core.rootdev = 0; - - params = tag_next (params); -} - - -#ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags (bd_t *bd) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - params->hdr.tag = ATAG_MEM; - params->hdr.size = tag_size (tag_mem32); - - params->u.mem.start = bd->bi_dram[i].start; - params->u.mem.size = bd->bi_dram[i].size; - - params = tag_next (params); - } -} -#endif /* CONFIG_SETUP_MEMORY_TAGS */ - - -static void setup_commandline_tag (bd_t *bd, char *commandline) -{ - char *p; - - if (!commandline) - return; - - /* eat leading white space */ - for (p = commandline; *p == ' '; p++); - - /* skip non-existent command lines so the kernel will still - * use its default command line. - */ - if (*p == '\0') - return; - - params->hdr.tag = ATAG_CMDLINE; - params->hdr.size = - (sizeof (struct tag_header) + strlen (p) + 1 + 4) >> 2; - - strcpy (params->u.cmdline.cmdline, p); - - params = tag_next (params); -} - - -#ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end) -{ - /* an ATAG_INITRD node tells the kernel where the compressed - * ramdisk can be found. ATAG_RDIMG is a better name, actually. - */ - params->hdr.tag = ATAG_INITRD2; - params->hdr.size = tag_size (tag_initrd); - - params->u.initrd.start = initrd_start; - params->u.initrd.size = initrd_end - initrd_start; - - params = tag_next (params); -} -#endif /* CONFIG_INITRD_TAG */ - - -#if defined (CONFIG_VFD) || defined (CONFIG_LCD) -extern ulong calc_fbsize (void); -static void setup_videolfb_tag (gd_t *gd) -{ - /* An ATAG_VIDEOLFB node tells the kernel where and how large - * the framebuffer for video was allocated (among other things). - * Note that a _physical_ address is passed ! - * - * We only use it to pass the address and size, the other entries - * in the tag_videolfb are not of interest. - */ - params->hdr.tag = ATAG_VIDEOLFB; - params->hdr.size = tag_size (tag_videolfb); - - params->u.videolfb.lfb_base = (u32) gd->fb_base; - /* Fb size is calculated according to parameters for our panel - */ - params->u.videolfb.lfb_size = calc_fbsize(); - - params = tag_next (params); -} -#endif /* CONFIG_VFD || CONFIG_LCD */ - -#ifdef CONFIG_SERIAL_TAG -void setup_serial_tag (struct tag **tmp) -{ - struct tag *params = *tmp; - struct tag_serialnr serialnr; - void get_board_serial(struct tag_serialnr *serialnr); - - get_board_serial(&serialnr); - params->hdr.tag = ATAG_SERIAL; - params->hdr.size = tag_size (tag_serialnr); - params->u.serialnr.low = serialnr.low; - params->u.serialnr.high= serialnr.high; - params = tag_next (params); - *tmp = params; -} -#endif - -#ifdef CONFIG_REVISION_TAG -void setup_revision_tag(struct tag **in_params) -{ - u32 rev = 0; - u32 get_board_rev(void); - - rev = get_board_rev(); - params->hdr.tag = ATAG_REVISION; - params->hdr.size = tag_size (tag_revision); - params->u.revision.rev = rev; - params = tag_next (params); -} -#endif /* CONFIG_REVISION_TAG */ - - -static void setup_end_tag (bd_t *bd) -{ - params->hdr.tag = ATAG_NONE; - params->hdr.size = 0; -} - -#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ |