Merge branch 'master' of git://git.denx.de/u-boot-sh
[oweals/u-boot.git] / arch / arm / lib / bootm.c
index 178e8fb9e4ab88a23cffa1ba21a8413a5d42f4f5..2d6b6761548a8e3bcb7baaffdbe0343b7acc8334 100644 (file)
@@ -22,6 +22,8 @@
 #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>
@@ -189,7 +191,7 @@ __weak void setup_board_tags(struct tag **in_params) {}
 static void do_nonsec_virt_switch(void)
 {
        smp_kick_all_cpus();
-       flush_dcache_all();     /* flush cache before swtiching to EL2 */
+       dcache_disable();       /* flush cache before swtiching to EL2 */
        armv8_switch_to_el2();
 #ifdef CONFIG_ARMV8_SWITCH_TO_EL1
        armv8_switch_to_el1();
@@ -235,14 +237,36 @@ static void boot_prep_linux(bootm_headers_t *images)
        }
 }
 
+#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);
@@ -252,7 +276,7 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 
        if (!fake) {
                do_nonsec_virt_switch();
-               kernel_entry(images->ft_addr);
+               kernel_entry(images->ft_addr, NULL, NULL, NULL);
        }
 #else
        unsigned long machid = gd->bd->bi_arch_number;
@@ -281,12 +305,13 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 
        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);
+               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
 }
@@ -297,7 +322,8 @@ 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)