15db28905STom Rini /* 25db28905STom Rini * (C) Copyright 2000-2009 35db28905STom Rini * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 45db28905STom Rini * 55db28905STom Rini * SPDX-License-Identifier: GPL-2.0+ 65db28905STom Rini */ 75db28905STom Rini 85db28905STom Rini #include <common.h> 95db28905STom Rini #include <bootm.h> 105db28905STom Rini #include <command.h> 115db28905STom Rini #include <image.h> 125db28905STom Rini #include <lmb.h> 135db28905STom Rini #include <mapmem.h> 1428085764SMasahiro Yamada #include <linux/kernel.h> 1528085764SMasahiro Yamada #include <linux/sizes.h> 165db28905STom Rini 175db28905STom Rini DECLARE_GLOBAL_DATA_PTR; 185db28905STom Rini 195db28905STom Rini /* 205db28905STom Rini * Image booting support 215db28905STom Rini */ 225db28905STom Rini static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc, 235db28905STom Rini char * const argv[], bootm_headers_t *images) 245db28905STom Rini { 255db28905STom Rini int ret; 26*6808ef9aSBin Chen ulong ld; 27*6808ef9aSBin Chen ulong relocated_addr; 28*6808ef9aSBin Chen ulong image_size; 295db28905STom Rini 305db28905STom Rini ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START, 315db28905STom Rini images, 1); 325db28905STom Rini 335db28905STom Rini /* Setup Linux kernel Image entry point */ 345db28905STom Rini if (!argc) { 35*6808ef9aSBin Chen ld = load_addr; 365db28905STom Rini debug("* kernel: default image load address = 0x%08lx\n", 375db28905STom Rini load_addr); 385db28905STom Rini } else { 39*6808ef9aSBin Chen ld = simple_strtoul(argv[0], NULL, 16); 405db28905STom Rini debug("* kernel: cmdline image address = 0x%08lx\n", 415db28905STom Rini images->ep); 425db28905STom Rini } 435db28905STom Rini 44*6808ef9aSBin Chen ret = booti_setup(ld, &relocated_addr, &image_size); 455db28905STom Rini if (ret != 0) 465db28905STom Rini return 1; 475db28905STom Rini 48*6808ef9aSBin Chen /* Handle BOOTM_STATE_LOADOS */ 49*6808ef9aSBin Chen if (relocated_addr != ld) { 50*6808ef9aSBin Chen debug("Moving Image from 0x%lx to 0x%lx\n", ld, relocated_addr); 51*6808ef9aSBin Chen memmove((void *)relocated_addr, (void *)ld, image_size); 52*6808ef9aSBin Chen } 535db28905STom Rini 54*6808ef9aSBin Chen images->ep = relocated_addr; 55*6808ef9aSBin Chen lmb_reserve(&images->lmb, images->ep, le32_to_cpu(image_size)); 565db28905STom Rini 575db28905STom Rini /* 585db28905STom Rini * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not 595db28905STom Rini * have a header that provide this informaiton. 605db28905STom Rini */ 615db28905STom Rini if (bootm_find_images(flag, argc, argv)) 625db28905STom Rini return 1; 635db28905STom Rini 645db28905STom Rini return 0; 655db28905STom Rini } 665db28905STom Rini 675db28905STom Rini int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 685db28905STom Rini { 695db28905STom Rini int ret; 705db28905STom Rini 715db28905STom Rini /* Consume 'booti' */ 725db28905STom Rini argc--; argv++; 735db28905STom Rini 745db28905STom Rini if (booti_start(cmdtp, flag, argc, argv, &images)) 755db28905STom Rini return 1; 765db28905STom Rini 775db28905STom Rini /* 785db28905STom Rini * We are doing the BOOTM_STATE_LOADOS state ourselves, so must 795db28905STom Rini * disable interrupts ourselves 805db28905STom Rini */ 815db28905STom Rini bootm_disable_interrupts(); 825db28905STom Rini 835db28905STom Rini images.os.os = IH_OS_LINUX; 840fff19a6SScott Wood images.os.arch = IH_ARCH_ARM64; 855db28905STom Rini ret = do_bootm_states(cmdtp, flag, argc, argv, 864943dc2fSCédric Schieli #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 874943dc2fSCédric Schieli BOOTM_STATE_RAMDISK | 884943dc2fSCédric Schieli #endif 895db28905STom Rini BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | 905db28905STom Rini BOOTM_STATE_OS_GO, 915db28905STom Rini &images, 1); 925db28905STom Rini 935db28905STom Rini return ret; 945db28905STom Rini } 955db28905STom Rini 965db28905STom Rini #ifdef CONFIG_SYS_LONGHELP 975db28905STom Rini static char booti_help_text[] = 985db28905STom Rini "[addr [initrd[:size]] [fdt]]\n" 995db28905STom Rini " - boot arm64 Linux Image stored in memory\n" 1005db28905STom Rini "\tThe argument 'initrd' is optional and specifies the address\n" 1015db28905STom Rini "\tof an initrd in memory. The optional parameter ':size' allows\n" 1025db28905STom Rini "\tspecifying the size of a RAW initrd.\n" 1035db28905STom Rini #if defined(CONFIG_OF_LIBFDT) 1045db28905STom Rini "\tSince booting a Linux kernel requires a flat device-tree, a\n" 1055db28905STom Rini "\tthird argument providing the address of the device-tree blob\n" 1065db28905STom Rini "\tis required. To boot a kernel with a device-tree blob but\n" 1075db28905STom Rini "\twithout an initrd image, use a '-' for the initrd argument.\n" 1085db28905STom Rini #endif 1095db28905STom Rini ""; 1105db28905STom Rini #endif 1115db28905STom Rini 1125db28905STom Rini U_BOOT_CMD( 1135db28905STom Rini booti, CONFIG_SYS_MAXARGS, 1, do_booti, 1145db28905STom Rini "boot arm64 Linux Image image from memory", booti_help_text 1155db28905STom Rini ); 116