Linux/arch/csky/kernel/setup.c

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

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1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (C) 2018 Hangzhou C-SKY Microsyst !! 2 #ifdef CONFIG_MMU 3 !! 3 #include "setup_mm.c" 4 #include <linux/console.h> !! 4 #else 5 #include <linux/memblock.h> !! 5 #include "setup_no.c" 6 #include <linux/initrd.h> << 7 #include <linux/of.h> << 8 #include <linux/of_fdt.h> << 9 #include <linux/start_kernel.h> << 10 #include <linux/dma-map-ops.h> << 11 #include <asm/sections.h> << 12 #include <asm/mmu_context.h> << 13 #include <asm/pgalloc.h> << 14 << 15 static void __init csky_memblock_init(void) << 16 { << 17 unsigned long lowmem_size = PFN_DOWN(L << 18 unsigned long sseg_size = PFN_DOWN(SSE << 19 unsigned long max_zone_pfn[MAX_NR_ZONE << 20 signed long size; << 21 << 22 memblock_reserve(__pa(_start), _end - << 23 << 24 early_init_fdt_reserve_self(); << 25 early_init_fdt_scan_reserved_mem(); << 26 << 27 memblock_dump_all(); << 28 << 29 min_low_pfn = PFN_UP(memblock_start_of << 30 max_low_pfn = max_pfn = PFN_DOWN(membl << 31 << 32 size = max_pfn - min_low_pfn; << 33 << 34 if (size >= lowmem_size) { << 35 max_low_pfn = min_low_pfn + lo << 36 #ifdef CONFIG_PAGE_OFFSET_80000000 << 37 write_mmu_msa1(read_mmu_msa0() << 38 #endif 6 #endif 39 } else if (size > sseg_size) { << 40 max_low_pfn = min_low_pfn + ss << 41 } << 42 << 43 max_zone_pfn[ZONE_NORMAL] = max_low_pf << 44 << 45 mmu_init(min_low_pfn, max_low_pfn); << 46 7 47 #ifdef CONFIG_HIGHMEM !! 8 #if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) 48 max_zone_pfn[ZONE_HIGHMEM] = max_pfn; !! 9 void (*mach_beep)(unsigned int, unsigned int); 49 !! 10 EXPORT_SYMBOL(mach_beep); 50 highstart_pfn = max_low_pfn; << 51 highend_pfn = max_pfn; << 52 #endif 11 #endif 53 memblock_set_current_limit(PFN_PHYS(ma << 54 << 55 dma_contiguous_reserve(0); << 56 << 57 free_area_init(max_zone_pfn); << 58 } << 59 << 60 void __init setup_arch(char **cmdline_p) << 61 { << 62 *cmdline_p = boot_command_line; << 63 << 64 console_verbose(); << 65 << 66 pr_info("Phys. mem: %ldMB\n", << 67 (unsigned long) memblock_phys_ << 68 << 69 setup_initial_init_mm(_start, _etext, << 70 << 71 parse_early_param(); << 72 << 73 csky_memblock_init(); << 74 << 75 unflatten_and_copy_device_tree(); << 76 << 77 #ifdef CONFIG_SMP << 78 setup_smp(); << 79 #endif << 80 << 81 sparse_init(); << 82 << 83 fixaddr_init(); << 84 << 85 #ifdef CONFIG_HIGHMEM << 86 kmap_init(); << 87 #endif << 88 } << 89 << 90 unsigned long va_pa_offset; << 91 EXPORT_SYMBOL(va_pa_offset); << 92 << 93 static inline unsigned long read_mmu_msa(void) << 94 { << 95 #ifdef CONFIG_PAGE_OFFSET_80000000 << 96 return read_mmu_msa0(); << 97 #endif << 98 << 99 #ifdef CONFIG_PAGE_OFFSET_A0000000 << 100 return read_mmu_msa1(); << 101 #endif << 102 } << 103 << 104 asmlinkage __visible void __init csky_start(un << 105 vo << 106 { << 107 /* Clean up bss section */ << 108 memset(__bss_start, 0, __bss_stop - __ << 109 << 110 va_pa_offset = read_mmu_msa() & ~(SSEG << 111 << 112 pre_trap_init(); << 113 << 114 if (dtb_start == NULL) << 115 early_init_dt_scan(__dtb_start << 116 else << 117 early_init_dt_scan(dtb_start); << 118 << 119 start_kernel(); << 120 << 121 asm volatile("br .\n"); << 122 } << 123 12

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TOMOYO Linux Cross Reference
Linux/arch/csky/kernel/setup.c

Diff markup

Differences between /arch/csky/kernel/setup.c (Version linux-6.12-rc7) and /arch/m68k/kernel/setup.c (Version linux-4.18.20)

TOMOYO Linux Cross Reference Linux/arch/csky/kernel/setup.c

Diff markup

Differences between /arch/csky/kernel/setup.c (Version linux-6.12-rc7) and /arch/m68k/kernel/setup.c (Version linux-4.18.20)

TOMOYO Linux Cross Reference
Linux/arch/csky/kernel/setup.c