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Diffstat (limited to 'arch/arm64/kernel/setup.c')
-rw-r--r--arch/arm64/kernel/setup.c39
1 files changed, 14 insertions, 25 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 74753132c..f3067d4d4 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -64,6 +64,7 @@
#include <asm/psci.h>
#include <asm/efi.h>
#include <asm/virt.h>
+#include <asm/xen/hypervisor.h>
unsigned long elf_hwcap __read_mostly;
EXPORT_SYMBOL_GPL(elf_hwcap);
@@ -105,18 +106,6 @@ static struct resource mem_res[] = {
#define kernel_code mem_res[0]
#define kernel_data mem_res[1]
-void __init early_print(const char *str, ...)
-{
- char buf[256];
- va_list ap;
-
- va_start(ap, str);
- vsnprintf(buf, sizeof(buf), str, ap);
- va_end(ap);
-
- printk("%s", buf);
-}
-
/*
* The recorded values of x0 .. x3 upon kernel entry.
*/
@@ -326,12 +315,14 @@ static void __init setup_processor(void)
static void __init setup_machine_fdt(phys_addr_t dt_phys)
{
- if (!dt_phys || !early_init_dt_scan(phys_to_virt(dt_phys))) {
- early_print("\n"
- "Error: invalid device tree blob at physical address 0x%p (virtual address 0x%p)\n"
- "The dtb must be 8-byte aligned and passed in the first 512MB of memory\n"
- "\nPlease check your bootloader.\n",
- dt_phys, phys_to_virt(dt_phys));
+ void *dt_virt = fixmap_remap_fdt(dt_phys);
+
+ if (!dt_virt || !early_init_dt_scan(dt_virt)) {
+ pr_crit("\n"
+ "Error: invalid device tree blob at physical address %pa (virtual address 0x%p)\n"
+ "The dtb must be 8-byte aligned and must not exceed 2 MB in size\n"
+ "\nPlease check your bootloader.",
+ &dt_phys, dt_virt);
while (true)
cpu_relax();
@@ -374,8 +365,6 @@ void __init setup_arch(char **cmdline_p)
{
setup_processor();
- setup_machine_fdt(__fdt_pointer);
-
init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
@@ -386,6 +375,8 @@ void __init setup_arch(char **cmdline_p)
early_fixmap_init();
early_ioremap_init();
+ setup_machine_fdt(__fdt_pointer);
+
parse_early_param();
/*
@@ -408,16 +399,14 @@ void __init setup_arch(char **cmdline_p)
if (acpi_disabled) {
unflatten_device_tree();
psci_dt_init();
- cpu_read_bootcpu_ops();
-#ifdef CONFIG_SMP
- of_smp_init_cpus();
-#endif
} else {
psci_acpi_init();
- acpi_init_cpus();
}
+ xen_early_init();
+ cpu_read_bootcpu_ops();
#ifdef CONFIG_SMP
+ smp_init_cpus();
smp_build_mpidr_hash();
#endif