1dd2d29a1SSjoerd Simons /* 2dd2d29a1SSjoerd Simons * Copyright (c) 2011 The Chromium OS Authors. 33202535cSSjoerd Simons * Copyright (c) 2015 Sjoerd Simons <sjoerd.simons@collabora.co.uk> 4dd2d29a1SSjoerd Simons * SPDX-License-Identifier: GPL-2.0+ 5dd2d29a1SSjoerd Simons */ 6dd2d29a1SSjoerd Simons 7dd2d29a1SSjoerd Simons #include <common.h> 8dd2d29a1SSjoerd Simons #include <asm/io.h> 9dd2d29a1SSjoerd Simons 10dd2d29a1SSjoerd Simons DECLARE_GLOBAL_DATA_PTR; 11dd2d29a1SSjoerd Simons 123202535cSSjoerd Simons #define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818 133202535cSSjoerd Simons 143202535cSSjoerd Simons struct arm_z_header { 153202535cSSjoerd Simons uint32_t code[9]; 163202535cSSjoerd Simons uint32_t zi_magic; 173202535cSSjoerd Simons uint32_t zi_start; 183202535cSSjoerd Simons uint32_t zi_end; 193202535cSSjoerd Simons } __attribute__ ((__packed__)); 203202535cSSjoerd Simons 213202535cSSjoerd Simons int bootz_setup(ulong image, ulong *start, ulong *end) 223202535cSSjoerd Simons { 233202535cSSjoerd Simons uint8_t *zimage = map_sysmem(image, 0); 243202535cSSjoerd Simons struct arm_z_header *arm_hdr = (struct arm_z_header *)zimage; 253202535cSSjoerd Simons int ret = 0; 263202535cSSjoerd Simons 273202535cSSjoerd Simons if (memcmp(zimage + 0x202, "HdrS", 4) == 0) { 283202535cSSjoerd Simons uint8_t setup_sects = *(zimage + 0x1f1); 293202535cSSjoerd Simons uint32_t syssize = 303202535cSSjoerd Simons le32_to_cpu(*(uint32_t *)(zimage + 0x1f4)); 313202535cSSjoerd Simons 323202535cSSjoerd Simons *start = 0; 333202535cSSjoerd Simons *end = (setup_sects + 1) * 512 + syssize * 16; 343202535cSSjoerd Simons 353202535cSSjoerd Simons printf("setting up X86 zImage [ %ld - %ld ]\n", 363202535cSSjoerd Simons *start, *end); 373202535cSSjoerd Simons } else if (le32_to_cpu(arm_hdr->zi_magic) == LINUX_ARM_ZIMAGE_MAGIC) { 383202535cSSjoerd Simons *start = le32_to_cpu(arm_hdr->zi_start); 393202535cSSjoerd Simons *end = le32_to_cpu(arm_hdr->zi_end); 403202535cSSjoerd Simons 413202535cSSjoerd Simons printf("setting up ARM zImage [ %ld - %ld ]\n", 423202535cSSjoerd Simons *start, *end); 433202535cSSjoerd Simons } else { 443202535cSSjoerd Simons printf("Unrecognized zImage\n"); 453202535cSSjoerd Simons ret = 1; 463202535cSSjoerd Simons } 473202535cSSjoerd Simons 483202535cSSjoerd Simons unmap_sysmem((void *)image); 493202535cSSjoerd Simons 503202535cSSjoerd Simons return ret; 513202535cSSjoerd Simons } 523202535cSSjoerd Simons 53dd2d29a1SSjoerd Simons int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) 54dd2d29a1SSjoerd Simons { 55dd2d29a1SSjoerd Simons if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) { 56dd2d29a1SSjoerd Simons bootstage_mark(BOOTSTAGE_ID_RUN_OS); 57dd2d29a1SSjoerd Simons printf("## Transferring control to Linux (at address %08lx)...\n", 58dd2d29a1SSjoerd Simons images->ep); 59*b9c771b0SSimon Glass printf("sandbox: continuing, as we cannot run Linux\n"); 60dd2d29a1SSjoerd Simons } 61dd2d29a1SSjoerd Simons 62dd2d29a1SSjoerd Simons return 0; 63dd2d29a1SSjoerd Simons } 64