diff options
Diffstat (limited to 'arch/nios2/kernel/setup.c')
| -rw-r--r-- | arch/nios2/kernel/setup.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index 3c6e3c813a0b..d2f21957e99c 100644 --- a/arch/nios2/kernel/setup.c +++ b/arch/nios2/kernel/setup.c @@ -32,8 +32,6 @@ EXPORT_SYMBOL(memory_start); unsigned long memory_end; EXPORT_SYMBOL(memory_end); -unsigned long memory_size; - static struct pt_regs fake_regs = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; @@ -141,16 +139,22 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, parse_early_param(); } +static void __init find_limits(unsigned long *min, unsigned long *max_low, + unsigned long *max_high) +{ + *max_low = PFN_DOWN(memblock_get_current_limit()); + *min = PFN_UP(memblock_start_of_DRAM()); + *max_high = PFN_DOWN(memblock_end_of_DRAM()); +} + void __init setup_arch(char **cmdline_p) { int dram_start; console_verbose(); - dram_start = memblock_start_of_DRAM(); - memory_size = memblock_phys_mem_size(); - memory_start = PAGE_ALIGN((unsigned long)__pa(_end)); - memory_end = (unsigned long) CONFIG_NIOS2_MEM_BASE + memory_size; + memory_start = memblock_start_of_DRAM(); + memory_end = memblock_end_of_DRAM(); init_mm.start_code = (unsigned long) _stext; init_mm.end_code = (unsigned long) _etext; @@ -161,11 +165,10 @@ void __init setup_arch(char **cmdline_p) /* Keep a copy of command line */ *cmdline_p = boot_command_line; - min_low_pfn = PFN_UP(memory_start); - max_low_pfn = PFN_DOWN(memory_end); + find_limits(&min_low_pfn, &max_low_pfn, &max_pfn); max_mapnr = max_low_pfn; - memblock_reserve(dram_start, memory_start - dram_start); + memblock_reserve(__pa_symbol(_stext), _end - _stext); #ifdef CONFIG_BLK_DEV_INITRD if (initrd_start) { memblock_reserve(virt_to_phys((void *)initrd_start), |