*
* 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <u-boot/zlib.h>
#include <asm/byteorder.h>
#include <libfdt.h>
+#include <mapmem.h>
#include <fdt_support.h>
#include <asm/bootm.h>
+#include <asm/secure.h>
#include <linux/compiler.h>
+#include <bootm.h>
+#include <vxworks.h>
+
+#ifdef CONFIG_ARMV7_NONSEC
+#include <asm/armv7.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
"(fake run for tracing)" : "");
bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel");
#ifdef CONFIG_BOOTSTAGE_FDT
- if (flag == BOOTM_STATE_OS_FAKE_GO)
- bootstage_fdt_add_report();
+ bootstage_fdt_add_report();
#endif
#ifdef CONFIG_BOOTSTAGE_REPORT
bootstage_report();
__weak void setup_board_tags(struct tag **in_params) {}
+#ifdef CONFIG_ARM64
+static void do_nonsec_virt_switch(void)
+{
+ smp_kick_all_cpus();
+ dcache_disable(); /* flush cache before swtiching to EL2 */
+ armv8_switch_to_el2();
+#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
+ armv8_switch_to_el1();
+#endif
+}
+#endif
+
/* Subcommand: PREP */
static void boot_prep_linux(bootm_headers_t *images)
{
if (BOOTM_ENABLE_MEMORY_TAGS)
setup_memory_tags(gd->bd);
if (BOOTM_ENABLE_INITRD_TAG) {
- if (images->rd_start && images->rd_end) {
+ /*
+ * In boot_ramdisk_high(), it may relocate ramdisk to
+ * a specified location. And set images->initrd_start &
+ * images->initrd_end to relocated ramdisk's start/end
+ * addresses. So use them instead of images->rd_start &
+ * images->rd_end when possible.
+ */
+ if (images->initrd_start && images->initrd_end) {
+ setup_initrd_tag(gd->bd, images->initrd_start,
+ images->initrd_end);
+ } else if (images->rd_start && images->rd_end) {
setup_initrd_tag(gd->bd, images->rd_start,
images->rd_end);
}
}
}
+#ifdef CONFIG_ARMV7_NONSEC
+bool armv7_boot_nonsec(void)
+{
+ char *s = getenv("bootm_boot_mode");
+#ifdef CONFIG_ARMV7_BOOT_SEC_DEFAULT
+ bool nonsec = false;
+#else
+ bool nonsec = true;
+#endif
+
+ if (s && !strcmp(s, "sec"))
+ nonsec = false;
+
+ if (s && !strcmp(s, "nonsec"))
+ nonsec = true;
+
+ return nonsec;
+}
+#endif
+
/* Subcommand: GO */
static void boot_jump_linux(bootm_headers_t *images, int flag)
{
+#ifdef CONFIG_ARM64
+ void (*kernel_entry)(void *fdt_addr, void *res0, void *res1,
+ void *res2);
+ int fake = (flag & BOOTM_STATE_OS_FAKE_GO);
+
+ kernel_entry = (void (*)(void *fdt_addr, void *res0, void *res1,
+ void *res2))images->ep;
+
+ debug("## Transferring control to Linux (at address %lx)...\n",
+ (ulong) kernel_entry);
+ bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+
+ announce_and_cleanup(fake);
+
+ if (!fake) {
+ do_nonsec_virt_switch();
+ kernel_entry(images->ft_addr, NULL, NULL, NULL);
+ }
+#else
unsigned long machid = gd->bd->bi_arch_number;
char *s;
void (*kernel_entry)(int zero, int arch, uint params);
s = getenv("machid");
if (s) {
- strict_strtoul(s, 16, &machid);
+ if (strict_strtoul(s, 16, &machid) < 0) {
+ debug("strict_strtoul failed!\n");
+ return;
+ }
printf("Using machid 0x%lx from environment\n", machid);
}
else
r2 = gd->bd->bi_boot_params;
- if (!fake)
- kernel_entry(0, machid, r2);
+ if (!fake) {
+#ifdef CONFIG_ARMV7_NONSEC
+ if (armv7_boot_nonsec()) {
+ armv7_init_nonsec();
+ secure_ram_addr(_do_nonsec_entry)(kernel_entry,
+ 0, machid, r2);
+ } else
+#endif
+ kernel_entry(0, machid, r2);
+ }
+#endif
}
/* Main Entry point for arm bootm implementation
* DIFFERENCE: Instead of calling prep and go at the end
* they are called if subcommand is equal 0.
*/
-int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char * const argv[],
+ bootm_headers_t *images)
{
/* No need for those on ARM */
if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE)
#define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818
-int bootz_setup(void *image, void **start, void **end)
+int bootz_setup(ulong image, ulong *start, ulong *end)
{
- struct zimage_header *zi = (struct zimage_header *)image;
+ struct zimage_header *zi;
+ zi = (struct zimage_header *)map_sysmem(image, 0);
if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) {
puts("Bad Linux ARM zImage magic!\n");
return 1;
}
- *start = (void *)zi->zi_start;
- *end = (void *)zi->zi_end;
+ *start = zi->zi_start;
+ *end = zi->zi_end;
- debug("Kernel image @ 0x%08x [ 0x%08x - 0x%08x ]\n",
- (uint32_t)image, (uint32_t)*start, (uint32_t)*end);
+ printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n", image, *start,
+ *end);
return 0;
}
+
#endif /* CONFIG_CMD_BOOTZ */
+
+#if defined(CONFIG_BOOTM_VXWORKS)
+void boot_prep_vxworks(bootm_headers_t *images)
+{
+#if defined(CONFIG_OF_LIBFDT)
+ int off;
+
+ if (images->ft_addr) {
+ off = fdt_path_offset(images->ft_addr, "/memory");
+ if (off < 0) {
+ if (arch_fixup_fdt(images->ft_addr))
+ puts("## WARNING: fixup memory failed!\n");
+ }
+ }
+#endif
+ cleanup_before_linux();
+}
+void boot_jump_vxworks(bootm_headers_t *images)
+{
+ /* ARM VxWorks requires device tree physical address to be passed */
+ ((void (*)(void *))images->ep)(images->ft_addr);
+}
+#endif