X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Flib%2Fbootm.c;h=4949d573af8c310f8348beae48caa5ea0f580bf9;hb=0f65f48b6480ea18497675b30e5463dfd0c60cbe;hp=b22fbc998248ba95ba68883dbaee9adfa0c3f687;hpb=5a34d9bf31a021987f97f20aefa812b97b58584e;p=u-boot

diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index b22fbc9982..4949d573af 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -9,19 +9,7 @@
  *
  * 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>
@@ -32,7 +20,14 @@
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <asm/bootm.h>
+#include <asm/secure.h>
 #include <linux/compiler.h>
+#include <bootm.h>
+#include <vxworks.h>
+
+#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
+#include <asm/armv7.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -79,8 +74,7 @@ static void announce_and_cleanup(int fake)
 		"(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();
@@ -193,6 +187,18 @@ static void setup_end_tag(bd_t *bd)
 
 __weak void setup_board_tags(struct tag **in_params) {}
 
+#ifdef CONFIG_ARM64
+static void do_nonsec_virt_switch(void)
+{
+	smp_kick_all_cpus();
+	flush_dcache_all();	/* 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)
 {
@@ -234,6 +240,25 @@ static void boot_prep_linux(bootm_headers_t *images)
 /* 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);
@@ -258,8 +283,16 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 	else
 		r2 = gd->bd->bi_boot_params;
 
-	if (!fake)
+	if (!fake) {
+#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
+		armv7_init_nonsec();
+		secure_ram_addr(_do_nonsec_entry)(kernel_entry,
+						  0, machid, r2);
+#else
 		kernel_entry(0, machid, r2);
+#endif
+	}
+#endif
 }
 
 /* Main Entry point for arm bootm implementation
@@ -268,7 +301,8 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
  * 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)
@@ -300,21 +334,46 @@ struct zimage_header {
 
 #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