X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Farm%2Flib%2Fbootm.c;h=b1bff8ce265d771f6bbc293f60175e71c8079bbc;hb=0eb25b619699270a8af95c2f76791fd6c4b52972;hp=a8295bf1f1e1e0dd3bbd1d590e0065501b1d2dc2;hpb=7f673c99c2d8d1aa21996c5b914f06d784b080ca;p=platform%2Fkernel%2Fu-boot.git

diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index a8295bf..b1bff8c 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -18,9 +18,13 @@
 #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>
 
 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
 #include <asm/armv7.h>
@@ -71,8 +75,7 @@ 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();
@@ -185,26 +188,17 @@ 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)
 {
-#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
-	if (armv7_switch_nonsec() == 0)
-#ifdef CONFIG_ARMV7_VIRT
-		if (armv7_switch_hyp() == 0)
-			debug("entered HYP mode\n");
-#else
-		debug("entered non-secure state\n");
-#endif
-#endif
-
-#ifdef CONFIG_ARM64
 	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
 }
+#endif
 
 /* Subcommand: PREP */
 static void boot_prep_linux(bootm_headers_t *images)
@@ -242,17 +236,38 @@ static void boot_prep_linux(bootm_headers_t *images)
 		printf("FDT and ATAGS support not compiled in - hanging\n");
 		hang();
 	}
-	do_nonsec_virt_switch();
 }
 
+#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
+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 (*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))images->ep;
+	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);
@@ -260,8 +275,10 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 
 	announce_and_cleanup(fake);
 
-	if (!fake)
-		kernel_entry(images->ft_addr);
+	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;
@@ -287,8 +304,16 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 	else
 		r2 = gd->bd->bi_boot_params;
 
-	if (!fake)
-		kernel_entry(0, machid, r2);
+	if (!fake) {
+#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
+		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
 }
 
@@ -298,7 +323,8 @@ 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)
@@ -360,7 +386,7 @@ void boot_prep_vxworks(bootm_headers_t *images)
 	if (images->ft_addr) {
 		off = fdt_path_offset(images->ft_addr, "/memory");
 		if (off < 0) {
-			if (arch_fixup_memory_node(images->ft_addr))
+			if (arch_fixup_fdt(images->ft_addr))
 				puts("## WARNING: fixup memory failed!\n");
 		}
 	}