arm: Make reset position-independent

[J-u-boot.git] / arch / arm / lib / bootm.c

diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 47ee070593b7fed5094df4312f6994fc2c205cec..39fe7a17fcff439f672331a90138454498755a45 100644 (file)
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -20,6 +20,7 @@
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <asm/bootm.h>
+#include <asm/secure.h>
 #include <linux/compiler.h>
 
 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
@@ -184,27 +185,17 @@ 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();
        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
 }
+#endif
 
 /* Subcommand: PREP */
 static void boot_prep_linux(bootm_headers_t *images)
@@ -242,17 +233,18 @@ static void boot_prep_linux(bootm_headers_t *images)
                printf("FDT and ATAGS support not compiled in - hanging\n");
                hang();
        }
-       do_nonsec_virt_switch();
 }
 
 /* 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 +252,10 @@ 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 +281,15 @@ 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
 }
 
@@ -360,7 +361,7 @@ 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");
                }
        }