Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 1 | /* Copyright (C) 2011 |
| 2 | * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de> |
| 3 | * - Added prep subcommand support |
| 4 | * - Reorganized source - modeled after powerpc version |
| 5 | * |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 6 | * (C) Copyright 2002 |
| 7 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 8 | * Marius Groeger <mgroeger@sysgo.de> |
| 9 | * |
| 10 | * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) |
| 11 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 12 | * SPDX-License-Identifier: GPL-2.0+ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 13 | */ |
| 14 | |
| 15 | #include <common.h> |
| 16 | #include <command.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 17 | #include <image.h> |
Jean-Christophe PLAGNIOL-VILLARD | a31e091 | 2009-04-04 12:49:11 +0200 | [diff] [blame] | 18 | #include <u-boot/zlib.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 19 | #include <asm/byteorder.h> |
John Rigby | 2d1916e | 2010-10-13 13:57:36 -0600 | [diff] [blame] | 20 | #include <libfdt.h> |
| 21 | #include <fdt_support.h> |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 22 | #include <asm/bootm.h> |
Pali Rohár | 89e6f13 | 2012-10-19 02:00:04 +0000 | [diff] [blame] | 23 | #include <linux/compiler.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 24 | |
Andre Przywara | d429688 | 2013-09-19 18:06:45 +0200 | [diff] [blame] | 25 | #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) |
Andre Przywara | bb97545 | 2013-09-19 18:06:43 +0200 | [diff] [blame] | 26 | #include <asm/armv7.h> |
| 27 | #endif |
| 28 | |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 29 | DECLARE_GLOBAL_DATA_PTR; |
| 30 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 31 | static struct tag *params; |
John Rigby | 2d1916e | 2010-10-13 13:57:36 -0600 | [diff] [blame] | 32 | |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 33 | static ulong get_sp(void) |
| 34 | { |
| 35 | ulong ret; |
| 36 | |
| 37 | asm("mov %0, sp" : "=r"(ret) : ); |
| 38 | return ret; |
| 39 | } |
| 40 | |
John Rigby | 2d1916e | 2010-10-13 13:57:36 -0600 | [diff] [blame] | 41 | void arch_lmb_reserve(struct lmb *lmb) |
| 42 | { |
| 43 | ulong sp; |
| 44 | |
| 45 | /* |
| 46 | * Booting a (Linux) kernel image |
| 47 | * |
| 48 | * Allocate space for command line and board info - the |
| 49 | * address should be as high as possible within the reach of |
| 50 | * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused |
| 51 | * memory, which means far enough below the current stack |
| 52 | * pointer. |
| 53 | */ |
| 54 | sp = get_sp(); |
| 55 | debug("## Current stack ends at 0x%08lx ", sp); |
| 56 | |
Rob Herring | fcfa696 | 2012-06-28 03:54:11 +0000 | [diff] [blame] | 57 | /* adjust sp by 4K to be safe */ |
| 58 | sp -= 4096; |
John Rigby | 2d1916e | 2010-10-13 13:57:36 -0600 | [diff] [blame] | 59 | lmb_reserve(lmb, sp, |
| 60 | gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp); |
| 61 | } |
| 62 | |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 63 | /** |
| 64 | * announce_and_cleanup() - Print message and prepare for kernel boot |
| 65 | * |
| 66 | * @fake: non-zero to do everything except actually boot |
| 67 | */ |
| 68 | static void announce_and_cleanup(int fake) |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 69 | { |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 70 | printf("\nStarting kernel ...%s\n\n", fake ? |
| 71 | "(fake run for tracing)" : ""); |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 72 | bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel"); |
Simon Glass | 94fd131 | 2012-09-28 08:56:37 +0000 | [diff] [blame] | 73 | #ifdef CONFIG_BOOTSTAGE_FDT |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 74 | if (flag == BOOTM_STATE_OS_FAKE_GO) |
| 75 | bootstage_fdt_add_report(); |
Simon Glass | 94fd131 | 2012-09-28 08:56:37 +0000 | [diff] [blame] | 76 | #endif |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 77 | #ifdef CONFIG_BOOTSTAGE_REPORT |
| 78 | bootstage_report(); |
| 79 | #endif |
| 80 | |
| 81 | #ifdef CONFIG_USB_DEVICE |
| 82 | udc_disconnect(); |
| 83 | #endif |
| 84 | cleanup_before_linux(); |
| 85 | } |
| 86 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 87 | static void setup_start_tag (bd_t *bd) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 88 | { |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 89 | params = (struct tag *)bd->bi_boot_params; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 90 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 91 | params->hdr.tag = ATAG_CORE; |
| 92 | params->hdr.size = tag_size (tag_core); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 93 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 94 | params->u.core.flags = 0; |
| 95 | params->u.core.pagesize = 0; |
| 96 | params->u.core.rootdev = 0; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 97 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 98 | params = tag_next (params); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 99 | } |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 100 | |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 101 | static void setup_memory_tags(bd_t *bd) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 102 | { |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 103 | int i; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 104 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 105 | for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { |
| 106 | params->hdr.tag = ATAG_MEM; |
| 107 | params->hdr.size = tag_size (tag_mem32); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 108 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 109 | params->u.mem.start = bd->bi_dram[i].start; |
| 110 | params->u.mem.size = bd->bi_dram[i].size; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 111 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 112 | params = tag_next (params); |
| 113 | } |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 114 | } |
| 115 | |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 116 | static void setup_commandline_tag(bd_t *bd, char *commandline) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 117 | { |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 118 | char *p; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 119 | |
wdenk | 109c0e3 | 2004-03-23 21:43:07 +0000 | [diff] [blame] | 120 | if (!commandline) |
| 121 | return; |
| 122 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 123 | /* eat leading white space */ |
| 124 | for (p = commandline; *p == ' '; p++); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 125 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 126 | /* skip non-existent command lines so the kernel will still |
| 127 | * use its default command line. |
| 128 | */ |
| 129 | if (*p == '\0') |
| 130 | return; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 131 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 132 | params->hdr.tag = ATAG_CMDLINE; |
| 133 | params->hdr.size = |
| 134 | (sizeof (struct tag_header) + strlen (p) + 1 + 4) >> 2; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 135 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 136 | strcpy (params->u.cmdline.cmdline, p); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 137 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 138 | params = tag_next (params); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 139 | } |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 140 | |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 141 | static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 142 | { |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 143 | /* an ATAG_INITRD node tells the kernel where the compressed |
| 144 | * ramdisk can be found. ATAG_RDIMG is a better name, actually. |
| 145 | */ |
wdenk | 498b8db | 2004-04-18 22:26:17 +0000 | [diff] [blame] | 146 | params->hdr.tag = ATAG_INITRD2; |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 147 | params->hdr.size = tag_size (tag_initrd); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 148 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 149 | params->u.initrd.start = initrd_start; |
| 150 | params->u.initrd.size = initrd_end - initrd_start; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 151 | |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 152 | params = tag_next (params); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 153 | } |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 154 | |
Simon Glass | c19d13b | 2013-05-08 08:06:02 +0000 | [diff] [blame] | 155 | static void setup_serial_tag(struct tag **tmp) |
wdenk | 3a574cb | 2005-05-19 22:39:42 +0000 | [diff] [blame] | 156 | { |
| 157 | struct tag *params = *tmp; |
| 158 | struct tag_serialnr serialnr; |
wdenk | 3a574cb | 2005-05-19 22:39:42 +0000 | [diff] [blame] | 159 | |
| 160 | get_board_serial(&serialnr); |
| 161 | params->hdr.tag = ATAG_SERIAL; |
| 162 | params->hdr.size = tag_size (tag_serialnr); |
| 163 | params->u.serialnr.low = serialnr.low; |
| 164 | params->u.serialnr.high= serialnr.high; |
| 165 | params = tag_next (params); |
| 166 | *tmp = params; |
| 167 | } |
wdenk | 3a574cb | 2005-05-19 22:39:42 +0000 | [diff] [blame] | 168 | |
Simon Glass | c19d13b | 2013-05-08 08:06:02 +0000 | [diff] [blame] | 169 | static void setup_revision_tag(struct tag **in_params) |
wdenk | 289f932 | 2005-01-12 00:15:14 +0000 | [diff] [blame] | 170 | { |
| 171 | u32 rev = 0; |
wdenk | 289f932 | 2005-01-12 00:15:14 +0000 | [diff] [blame] | 172 | |
| 173 | rev = get_board_rev(); |
wdenk | 289f932 | 2005-01-12 00:15:14 +0000 | [diff] [blame] | 174 | params->hdr.tag = ATAG_REVISION; |
| 175 | params->hdr.size = tag_size (tag_revision); |
| 176 | params->u.revision.rev = rev; |
| 177 | params = tag_next (params); |
| 178 | } |
wdenk | 289f932 | 2005-01-12 00:15:14 +0000 | [diff] [blame] | 179 | |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 180 | static void setup_end_tag(bd_t *bd) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 181 | { |
wdenk | 5779d8d | 2003-12-06 23:55:10 +0000 | [diff] [blame] | 182 | params->hdr.tag = ATAG_NONE; |
| 183 | params->hdr.size = 0; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 184 | } |
| 185 | |
Pali Rohár | 89e6f13 | 2012-10-19 02:00:04 +0000 | [diff] [blame] | 186 | __weak void setup_board_tags(struct tag **in_params) {} |
| 187 | |
Andre Przywara | bb97545 | 2013-09-19 18:06:43 +0200 | [diff] [blame] | 188 | static void do_nonsec_virt_switch(void) |
| 189 | { |
| 190 | #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) |
| 191 | if (armv7_switch_nonsec() == 0) |
Andre Przywara | d429688 | 2013-09-19 18:06:45 +0200 | [diff] [blame] | 192 | #ifdef CONFIG_ARMV7_VIRT |
| 193 | if (armv7_switch_hyp() == 0) |
| 194 | debug("entered HYP mode\n"); |
| 195 | #else |
Andre Przywara | bb97545 | 2013-09-19 18:06:43 +0200 | [diff] [blame] | 196 | debug("entered non-secure state\n"); |
| 197 | #endif |
Andre Przywara | d429688 | 2013-09-19 18:06:45 +0200 | [diff] [blame] | 198 | #endif |
David Feng | 0ae7653 | 2013-12-14 11:47:35 +0800 | [diff] [blame] | 199 | |
| 200 | #ifdef CONFIG_ARM64 |
| 201 | smp_kick_all_cpus(); |
| 202 | armv8_switch_to_el2(); |
| 203 | #ifdef CONFIG_ARMV8_SWITCH_TO_EL1 |
| 204 | armv8_switch_to_el1(); |
| 205 | #endif |
| 206 | #endif |
Andre Przywara | bb97545 | 2013-09-19 18:06:43 +0200 | [diff] [blame] | 207 | } |
| 208 | |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 209 | /* Subcommand: PREP */ |
| 210 | static void boot_prep_linux(bootm_headers_t *images) |
| 211 | { |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 212 | char *commandline = getenv("bootargs"); |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 213 | |
Simon Glass | c19d13b | 2013-05-08 08:06:02 +0000 | [diff] [blame] | 214 | if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) { |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 215 | #ifdef CONFIG_OF_LIBFDT |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 216 | debug("using: FDT\n"); |
Simon Glass | 6caa195 | 2013-05-08 08:06:03 +0000 | [diff] [blame] | 217 | if (image_setup_linux(images)) { |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 218 | printf("FDT creation failed! hanging..."); |
| 219 | hang(); |
| 220 | } |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 221 | #endif |
Simon Glass | c19d13b | 2013-05-08 08:06:02 +0000 | [diff] [blame] | 222 | } else if (BOOTM_ENABLE_TAGS) { |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 223 | debug("using: ATAGS\n"); |
| 224 | setup_start_tag(gd->bd); |
Simon Glass | c19d13b | 2013-05-08 08:06:02 +0000 | [diff] [blame] | 225 | if (BOOTM_ENABLE_SERIAL_TAG) |
| 226 | setup_serial_tag(¶ms); |
| 227 | if (BOOTM_ENABLE_CMDLINE_TAG) |
| 228 | setup_commandline_tag(gd->bd, commandline); |
| 229 | if (BOOTM_ENABLE_REVISION_TAG) |
| 230 | setup_revision_tag(¶ms); |
| 231 | if (BOOTM_ENABLE_MEMORY_TAGS) |
| 232 | setup_memory_tags(gd->bd); |
| 233 | if (BOOTM_ENABLE_INITRD_TAG) { |
| 234 | if (images->rd_start && images->rd_end) { |
| 235 | setup_initrd_tag(gd->bd, images->rd_start, |
| 236 | images->rd_end); |
| 237 | } |
| 238 | } |
Pali Rohár | 89e6f13 | 2012-10-19 02:00:04 +0000 | [diff] [blame] | 239 | setup_board_tags(¶ms); |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 240 | setup_end_tag(gd->bd); |
Simon Glass | c19d13b | 2013-05-08 08:06:02 +0000 | [diff] [blame] | 241 | } else { |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 242 | printf("FDT and ATAGS support not compiled in - hanging\n"); |
| 243 | hang(); |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 244 | } |
Andre Przywara | bb97545 | 2013-09-19 18:06:43 +0200 | [diff] [blame] | 245 | do_nonsec_virt_switch(); |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | /* Subcommand: GO */ |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 249 | static void boot_jump_linux(bootm_headers_t *images, int flag) |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 250 | { |
David Feng | 0ae7653 | 2013-12-14 11:47:35 +0800 | [diff] [blame] | 251 | #ifdef CONFIG_ARM64 |
| 252 | void (*kernel_entry)(void *fdt_addr); |
| 253 | int fake = (flag & BOOTM_STATE_OS_FAKE_GO); |
| 254 | |
| 255 | kernel_entry = (void (*)(void *fdt_addr))images->ep; |
| 256 | |
| 257 | debug("## Transferring control to Linux (at address %lx)...\n", |
| 258 | (ulong) kernel_entry); |
| 259 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
| 260 | |
| 261 | announce_and_cleanup(fake); |
| 262 | |
| 263 | if (!fake) |
| 264 | kernel_entry(images->ft_addr); |
| 265 | #else |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 266 | unsigned long machid = gd->bd->bi_arch_number; |
| 267 | char *s; |
| 268 | void (*kernel_entry)(int zero, int arch, uint params); |
Stephen Warren | 1723997 | 2012-04-19 11:34:00 +0000 | [diff] [blame] | 269 | unsigned long r2; |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 270 | int fake = (flag & BOOTM_STATE_OS_FAKE_GO); |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 271 | |
| 272 | kernel_entry = (void (*)(int, int, uint))images->ep; |
| 273 | |
| 274 | s = getenv("machid"); |
| 275 | if (s) { |
| 276 | strict_strtoul(s, 16, &machid); |
| 277 | printf("Using machid 0x%lx from environment\n", machid); |
| 278 | } |
| 279 | |
| 280 | debug("## Transferring control to Linux (at address %08lx)" \ |
| 281 | "...\n", (ulong) kernel_entry); |
| 282 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 283 | announce_and_cleanup(fake); |
Stephen Warren | 1723997 | 2012-04-19 11:34:00 +0000 | [diff] [blame] | 284 | |
Simon Glass | c19d13b | 2013-05-08 08:06:02 +0000 | [diff] [blame] | 285 | if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) |
Stephen Warren | 1723997 | 2012-04-19 11:34:00 +0000 | [diff] [blame] | 286 | r2 = (unsigned long)images->ft_addr; |
| 287 | else |
Stephen Warren | 1723997 | 2012-04-19 11:34:00 +0000 | [diff] [blame] | 288 | r2 = gd->bd->bi_boot_params; |
| 289 | |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 290 | if (!fake) |
| 291 | kernel_entry(0, machid, r2); |
David Feng | 0ae7653 | 2013-12-14 11:47:35 +0800 | [diff] [blame] | 292 | #endif |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | /* Main Entry point for arm bootm implementation |
| 296 | * |
| 297 | * Modeled after the powerpc implementation |
| 298 | * DIFFERENCE: Instead of calling prep and go at the end |
| 299 | * they are called if subcommand is equal 0. |
| 300 | */ |
| 301 | int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) |
| 302 | { |
| 303 | /* No need for those on ARM */ |
| 304 | if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE) |
| 305 | return -1; |
| 306 | |
| 307 | if (flag & BOOTM_STATE_OS_PREP) { |
| 308 | boot_prep_linux(images); |
| 309 | return 0; |
| 310 | } |
| 311 | |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 312 | if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) { |
| 313 | boot_jump_linux(images, flag); |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 314 | return 0; |
| 315 | } |
| 316 | |
| 317 | boot_prep_linux(images); |
Simon Glass | bce1b92 | 2013-06-19 21:15:10 -0700 | [diff] [blame] | 318 | boot_jump_linux(images, flag); |
Simon Schwarz | 0a672d4 | 2012-03-15 04:01:45 +0000 | [diff] [blame] | 319 | return 0; |
John Rigby | 2d1916e | 2010-10-13 13:57:36 -0600 | [diff] [blame] | 320 | } |
Marek Vasut | 44f074c | 2012-03-14 21:52:45 +0000 | [diff] [blame] | 321 | |
| 322 | #ifdef CONFIG_CMD_BOOTZ |
| 323 | |
| 324 | struct zimage_header { |
| 325 | uint32_t code[9]; |
| 326 | uint32_t zi_magic; |
| 327 | uint32_t zi_start; |
| 328 | uint32_t zi_end; |
| 329 | }; |
| 330 | |
| 331 | #define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818 |
| 332 | |
Simon Glass | a5266d6 | 2013-07-04 13:26:10 -0700 | [diff] [blame] | 333 | int bootz_setup(ulong image, ulong *start, ulong *end) |
Marek Vasut | 44f074c | 2012-03-14 21:52:45 +0000 | [diff] [blame] | 334 | { |
Simon Glass | a5266d6 | 2013-07-04 13:26:10 -0700 | [diff] [blame] | 335 | struct zimage_header *zi; |
Marek Vasut | 44f074c | 2012-03-14 21:52:45 +0000 | [diff] [blame] | 336 | |
Simon Glass | a5266d6 | 2013-07-04 13:26:10 -0700 | [diff] [blame] | 337 | zi = (struct zimage_header *)map_sysmem(image, 0); |
Marek Vasut | 44f074c | 2012-03-14 21:52:45 +0000 | [diff] [blame] | 338 | if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) { |
| 339 | puts("Bad Linux ARM zImage magic!\n"); |
| 340 | return 1; |
| 341 | } |
| 342 | |
Simon Glass | a5266d6 | 2013-07-04 13:26:10 -0700 | [diff] [blame] | 343 | *start = zi->zi_start; |
| 344 | *end = zi->zi_end; |
Marek Vasut | 44f074c | 2012-03-14 21:52:45 +0000 | [diff] [blame] | 345 | |
Simon Glass | a5266d6 | 2013-07-04 13:26:10 -0700 | [diff] [blame] | 346 | printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n", image, *start, |
| 347 | *end); |
Marek Vasut | 44f074c | 2012-03-14 21:52:45 +0000 | [diff] [blame] | 348 | |
| 349 | return 0; |
| 350 | } |
Simon Glass | a5266d6 | 2013-07-04 13:26:10 -0700 | [diff] [blame] | 351 | |
Marek Vasut | 44f074c | 2012-03-14 21:52:45 +0000 | [diff] [blame] | 352 | #endif /* CONFIG_CMD_BOOTZ */ |
Miao Yan | 871a57b | 2013-11-28 17:51:38 +0800 | [diff] [blame] | 353 | |
| 354 | #if defined(CONFIG_BOOTM_VXWORKS) |
| 355 | void boot_prep_vxworks(bootm_headers_t *images) |
| 356 | { |
| 357 | #if defined(CONFIG_OF_LIBFDT) |
| 358 | int off; |
| 359 | |
| 360 | if (images->ft_addr) { |
| 361 | off = fdt_path_offset(images->ft_addr, "/memory"); |
| 362 | if (off < 0) { |
| 363 | if (arch_fixup_memory_node(images->ft_addr)) |
| 364 | puts("## WARNING: fixup memory failed!\n"); |
| 365 | } |
| 366 | } |
| 367 | #endif |
| 368 | cleanup_before_linux(); |
| 369 | } |
| 370 | void boot_jump_vxworks(bootm_headers_t *images) |
| 371 | { |
| 372 | /* ARM VxWorks requires device tree physical address to be passed */ |
| 373 | ((void (*)(void *))images->ep)(images->ft_addr); |
| 374 | } |
| 375 | #endif |