#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)
+#ifdef CONFIG_ARMV7_NONSEC
#include <asm/armv7.h>
#endif
gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp);
}
+__weak void board_quiesce_devices(void)
+{
+}
+
/**
* announce_and_cleanup() - Print message and prepare for kernel boot
*
"(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();
#ifdef CONFIG_USB_DEVICE
udc_disconnect();
#endif
+
+ board_quiesce_devices();
+
cleanup_before_linux();
}
__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
+ smp_kick_all_cpus();
+ dcache_disable(); /* flush cache before swtiching to EL2 */
}
+#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);
}
printf("FDT and ATAGS support not compiled in - hanging\n");
hang();
}
- do_nonsec_virt_switch();
}
+__weak bool armv7_boot_nonsec_default(void)
+{
+#ifdef CONFIG_ARMV7_BOOT_SEC_DEFAULT
+ return false;
+#else
+ return true;
+#endif
+}
+
+#ifdef CONFIG_ARMV7_NONSEC
+bool armv7_boot_nonsec(void)
+{
+ char *s = getenv("bootm_boot_mode");
+ bool nonsec = armv7_boot_nonsec_default();
+
+ if (s && !strcmp(s, "sec"))
+ nonsec = false;
+
+ if (s && !strcmp(s, "nonsec"))
+ nonsec = true;
+
+ return nonsec;
+}
+#endif
+
+#ifdef CONFIG_ARM64
+__weak void update_os_arch_secondary_cores(uint8_t os_arch)
+{
+}
+
+#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
+static void switch_to_el1(void)
+{
+ if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) &&
+ (images.os.arch == IH_ARCH_ARM))
+ armv8_switch_to_el1(0, (u64)gd->bd->bi_arch_number,
+ (u64)images.ft_addr,
+ (u64)images.ep,
+ ES_TO_AARCH32);
+ else
+ armv8_switch_to_el1((u64)images.ft_addr, 0, 0,
+ images.ep,
+ ES_TO_AARCH64);
+}
+#endif
+#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();
+
+ update_os_arch_secondary_cores(images->os.arch);
+
+#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
+ armv8_switch_to_el2((u64)images->ft_addr, 0, 0,
+ (u64)switch_to_el1, ES_TO_AARCH64);
+#else
+ if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) &&
+ (images->os.arch == IH_ARCH_ARM))
+ armv8_switch_to_el2(0, (u64)gd->bd->bi_arch_number,
+ (u64)images->ft_addr,
+ (u64)images->ep,
+ ES_TO_AARCH32);
+ else
+ armv8_switch_to_el2((u64)images->ft_addr, 0, 0,
+ images->ep,
+ ES_TO_AARCH64);
+#endif
+ }
+#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)
return 0;
}
-#ifdef CONFIG_CMD_BOOTZ
-
-struct zimage_header {
- uint32_t code[9];
- uint32_t zi_magic;
- uint32_t zi_start;
- uint32_t zi_end;
-};
-
-#define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818
-
-int bootz_setup(ulong image, ulong *start, ulong *end)
+#if defined(CONFIG_BOOTM_VXWORKS)
+void boot_prep_vxworks(bootm_headers_t *images)
{
- 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;
+#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");
+ }
}
-
- *start = zi->zi_start;
- *end = zi->zi_end;
-
- printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n", image, *start,
- *end);
-
- return 0;
+#endif
+ cleanup_before_linux();
}
-
-#endif /* CONFIG_CMD_BOOTZ */
+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
projects / oweals / u-boot.git / blobdiff