diff options
Diffstat (limited to 'arch/riscv/kernel/setup.c')
| -rw-r--r-- | arch/riscv/kernel/setup.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index f04373be54a6..c424cc6dd833 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -17,20 +17,22 @@ #include <linux/sched/task.h> #include <linux/swiotlb.h> #include <linux/smp.h> +#include <linux/efi.h> -#include <asm/clint.h> #include <asm/cpu_ops.h> +#include <asm/early_ioremap.h> #include <asm/setup.h> #include <asm/sections.h> #include <asm/sbi.h> #include <asm/tlbflush.h> #include <asm/thread_info.h> #include <asm/kasan.h> +#include <asm/efi.h> #include "head.h" -#ifdef CONFIG_DUMMY_CONSOLE -struct screen_info screen_info = { +#if defined(CONFIG_DUMMY_CONSOLE) || defined(CONFIG_EFI) +struct screen_info screen_info __section(".data") = { .orig_video_lines = 30, .orig_video_cols = 80, .orig_video_mode = 0, @@ -45,12 +47,13 @@ struct screen_info screen_info = { * This is used before the kernel initializes the BSS so it can't be in the * BSS. */ -atomic_t hart_lottery __section(.sdata); +atomic_t hart_lottery __section(".sdata"); unsigned long boot_cpu_hartid; static DEFINE_PER_CPU(struct cpu, cpu_devices); -void __init parse_dtb(void) +static void __init parse_dtb(void) { + /* Early scan of device tree from init memory */ if (early_init_dt_scan(dtb_early_va)) return; @@ -63,6 +66,7 @@ void __init parse_dtb(void) void __init setup_arch(char **cmdline_p) { + parse_dtb(); init_mm.start_code = (unsigned long) _stext; init_mm.end_code = (unsigned long) _etext; init_mm.end_data = (unsigned long) _edata; @@ -70,16 +74,20 @@ void __init setup_arch(char **cmdline_p) *cmdline_p = boot_command_line; + early_ioremap_setup(); parse_early_param(); + efi_init(); setup_bootmem(); paging_init(); #if IS_ENABLED(CONFIG_BUILTIN_DTB) unflatten_and_copy_device_tree(); #else - unflatten_device_tree(); + if (early_init_dt_verify(__va(dtb_early_pa))) + unflatten_device_tree(); + else + pr_err("No DTB found in kernel mappings\n"); #endif - clint_init_boot_cpu(); #ifdef CONFIG_SWIOTLB swiotlb_init(1); |