diff options
Diffstat (limited to 'arch/sh/kernel/setup.c')
-rw-r--r-- | arch/sh/kernel/setup.c | 143 |
1 files changed, 4 insertions, 139 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index f6a2db1..61404ed 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -114,31 +114,7 @@ static int __init early_parse_mem(char *p) } early_param("mem", early_parse_mem); -/* - * Register fully available low RAM pages with the bootmem allocator. - */ -static void __init register_bootmem_low_pages(void) -{ - unsigned long curr_pfn, last_pfn, pages; - - /* - * We are rounding up the start address of usable memory: - */ - curr_pfn = PFN_UP(__MEMORY_START); - - /* - * ... and at the end of the usable range downwards: - */ - last_pfn = PFN_DOWN(__pa(memory_end)); - - if (last_pfn > max_low_pfn) - last_pfn = max_low_pfn; - - pages = last_pfn - curr_pfn; - free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(pages)); -} - -static void __init check_for_initrd(void) +void __init check_for_initrd(void) { #ifdef CONFIG_BLK_DEV_INITRD unsigned long start, end; @@ -240,85 +216,6 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn, add_active_range(nid, start_pfn, end_pfn); } -void __init do_init_bootmem(void) -{ - unsigned long bootmap_size; - unsigned long bootmap_pages, bootmem_paddr; - u64 total_pages = lmb_phys_mem_size() >> PAGE_SHIFT; - int i; - - bootmap_pages = bootmem_bootmap_pages(total_pages); - - bootmem_paddr = lmb_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE); - - /* - * Find a proper area for the bootmem bitmap. After this - * bootstrap step all allocations (until the page allocator - * is intact) must be done via bootmem_alloc(). - */ - bootmap_size = init_bootmem_node(NODE_DATA(0), - bootmem_paddr >> PAGE_SHIFT, - min_low_pfn, max_low_pfn); - - /* Add active regions with valid PFNs. */ - for (i = 0; i < lmb.memory.cnt; i++) { - unsigned long start_pfn, end_pfn; - start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT; - end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i); - __add_active_range(0, start_pfn, end_pfn); - } - - /* - * Add all physical memory to the bootmem map and mark each - * area as present. - */ - register_bootmem_low_pages(); - - /* Reserve the sections we're already using. */ - for (i = 0; i < lmb.reserved.cnt; i++) - reserve_bootmem(lmb.reserved.region[i].base, - lmb_size_bytes(&lmb.reserved, i), - BOOTMEM_DEFAULT); - - node_set_online(0); - - sparse_memory_present_with_active_regions(0); -} - -static void __init early_reserve_mem(void) -{ - unsigned long start_pfn; - - /* - * Partially used pages are not usable - thus - * we are rounding upwards: - */ - start_pfn = PFN_UP(__pa(_end)); - - /* - * Reserve the kernel text and - * Reserve the bootmem bitmap. We do this in two steps (first step - * was init_bootmem()), because this catches the (definitely buggy) - * case of us accidentally initializing the bootmem allocator with - * an invalid RAM area. - */ - lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET, - (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) - - (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET)); - - /* - * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET. - */ - if (CONFIG_ZERO_PAGE_OFFSET != 0) - lmb_reserve(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET); - - /* - * Handle additional early reservations - */ - check_for_initrd(); - reserve_crashkernel(); -} - /* * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by * is_kdump_kernel() to determine if we are booting after a panic. Hence @@ -342,10 +239,6 @@ void __init __weak plat_early_device_setup(void) { } -void __init __weak plat_mem_setup(void) -{ -} - void __init setup_arch(char **cmdline_p) { enable_mmu(); @@ -401,44 +294,16 @@ void __init setup_arch(char **cmdline_p) plat_early_device_setup(); - /* Let earlyprintk output early console messages */ - early_platform_driver_probe("earlyprintk", 1, 1); - - lmb_init(); - sh_mv_setup(); - sh_mv.mv_mem_init(); - - early_reserve_mem(); - lmb_enforce_memory_limit(memory_limit); - lmb_analyze(); - - lmb_dump_all(); - - /* - * Determine low and high memory ranges: - */ - max_low_pfn = max_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT; - min_low_pfn = __MEMORY_START >> PAGE_SHIFT; - - nodes_clear(node_online_map); - - memory_start = (unsigned long)__va(__MEMORY_START); - memory_end = memory_start + (memory_limit ?: lmb_phys_mem_size()); + /* Let earlyprintk output early console messages */ + early_platform_driver_probe("earlyprintk", 1, 1); - uncached_init(); - pmb_init(); - do_init_bootmem(); - plat_mem_setup(); - sparse_init(); + paging_init(); #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; #endif - paging_init(); - - ioremap_fixed_init(); /* Perform the machine specific initialisation */ if (likely(sh_mv.mv_setup)) |