diff options
Diffstat (limited to 'arch/loongarch/kernel/setup.c')
| -rw-r--r-- | arch/loongarch/kernel/setup.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c index edf2bba80130..b99fbb388fe0 100644 --- a/arch/loongarch/kernel/setup.c +++ b/arch/loongarch/kernel/setup.c @@ -47,6 +47,7 @@ #include <asm/sections.h> #include <asm/setup.h> #include <asm/time.h> +#include <asm/unwind.h> #define SMBIOS_BIOSSIZE_OFFSET 0x09 #define SMBIOS_BIOSEXTERN_OFFSET 0x13 @@ -54,6 +55,7 @@ #define SMBIOS_FREQHIGH_OFFSET 0x17 #define SMBIOS_FREQLOW_MASK 0xFF #define SMBIOS_CORE_PACKAGE_OFFSET 0x23 +#define SMBIOS_THREAD_PACKAGE_OFFSET 0x25 #define LOONGSON_EFI_ENABLE (1 << 3) unsigned long fw_arg0, fw_arg1, fw_arg2; @@ -124,7 +126,7 @@ static void __init parse_cpu_table(const struct dmi_header *dm) cpu_clock_freq = freq_temp * 1000000; loongson_sysconf.cpuname = (void *)dmi_string_parse(dm, dmi_data[16]); - loongson_sysconf.cores_per_package = *(dmi_data + SMBIOS_CORE_PACKAGE_OFFSET); + loongson_sysconf.cores_per_package = *(dmi_data + SMBIOS_THREAD_PACKAGE_OFFSET); pr_info("CpuClock = %llu\n", cpu_clock_freq); } @@ -257,18 +259,17 @@ static void __init arch_reserve_crashkernel(void) int ret; unsigned long long low_size = 0; unsigned long long crash_base, crash_size; - char *cmdline = boot_command_line; bool high = false; - if (!IS_ENABLED(CONFIG_KEXEC_CORE)) + if (!IS_ENABLED(CONFIG_CRASH_RESERVE)) return; - ret = parse_crashkernel(cmdline, memblock_phys_mem_size(), + ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(), &crash_size, &crash_base, &low_size, &high); if (ret) return; - reserve_crashkernel_generic(cmdline, crash_size, crash_base, low_size, high); + reserve_crashkernel_generic(crash_size, crash_base, low_size, high); } static void __init fdt_setup(void) @@ -281,7 +282,7 @@ static void __init fdt_setup(void) return; /* Prefer to use built-in dtb, checking its legality first. */ - if (!fdt_check_header(__dtb_start)) + if (IS_ENABLED(CONFIG_BUILTIN_DTB) && !fdt_check_header(__dtb_start)) fdt_pointer = __dtb_start; else fdt_pointer = efi_fdt_pointer(); /* Fallback to firmware dtb */ @@ -289,7 +290,7 @@ static void __init fdt_setup(void) if (!fdt_pointer || fdt_check_header(fdt_pointer)) return; - early_init_dt_scan(fdt_pointer); + early_init_dt_scan(fdt_pointer, __pa(fdt_pointer)); early_init_fdt_reserve_self(); max_low_pfn = PFN_PHYS(memblock_end_of_DRAM()); @@ -350,13 +351,13 @@ void __init platform_init(void) arch_reserve_vmcore(); arch_reserve_crashkernel(); -#ifdef CONFIG_ACPI_TABLE_UPGRADE - acpi_table_upgrade(); -#endif #ifdef CONFIG_ACPI + acpi_table_upgrade(); acpi_gbl_use_default_register_widths = false; acpi_boot_table_init(); #endif + + early_init_fdt_scan_reserved_mem(); unflatten_and_copy_device_tree(); #ifdef CONFIG_NUMA @@ -385,13 +386,14 @@ static void __init check_kernel_sections_mem(void) */ static void __init arch_mem_init(char **cmdline_p) { + /* Recalculate max_low_pfn for "mem=xxx" */ + max_pfn = max_low_pfn = PHYS_PFN(memblock_end_of_DRAM()); + if (usermem) pr_info("User-defined physical RAM map overwrite\n"); check_kernel_sections_mem(); - early_init_fdt_scan_reserved_mem(); - /* * In order to reduce the possibility of kernel panic when failed to * get IO TLB memory under CONFIG_SWIOTLB, it is better to allocate @@ -431,7 +433,7 @@ static void __init resource_init(void) num_standard_resources = memblock.memory.cnt; res_size = num_standard_resources * sizeof(*standard_resources); - standard_resources = memblock_alloc(res_size, SMP_CACHE_BYTES); + standard_resources = memblock_alloc_or_panic(res_size, SMP_CACHE_BYTES); for_each_mem_region(region) { res = &standard_resources[i++]; @@ -490,7 +492,7 @@ static int __init add_legacy_isa_io(struct fwnode_handle *fwnode, } vaddr = (unsigned long)(PCI_IOBASE + range->io_start); - ioremap_page_range(vaddr, vaddr + size, hw_start, pgprot_device(PAGE_KERNEL)); + vmap_page_range(vaddr, vaddr + size, hw_start, pgprot_device(PAGE_KERNEL)); return 0; } @@ -577,8 +579,10 @@ static void __init prefill_possible_map(void) for (i = 0; i < possible; i++) set_cpu_possible(i, true); - for (; i < NR_CPUS; i++) + for (; i < NR_CPUS; i++) { + set_cpu_present(i, false); set_cpu_possible(i, false); + } set_nr_cpu_ids(possible); } @@ -587,6 +591,7 @@ static void __init prefill_possible_map(void) void __init setup_arch(char **cmdline_p) { cpu_probe(); + unwind_init(); init_environ(); efi_init(); @@ -601,6 +606,8 @@ void __init setup_arch(char **cmdline_p) arch_mem_init(cmdline_p); resource_init(); + jump_label_init(); /* Initialise the static keys for paravirtualization */ + #ifdef CONFIG_SMP plat_smp_setup(); prefill_possible_map(); |