diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/kernel/setup.c')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/kernel/setup.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/kernel/setup.c b/target/linux/ubicom32/files/arch/ubicom32/kernel/setup.c deleted file mode 100644 index 7357f4ee35..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/kernel/setup.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * arch/ubicom32/kernel/setup.c - * Ubicom32 architecture-dependent parts of system setup. - * - * (C) Copyright 2009, Ubicom, Inc. - * Copyright (C) 1999-2007 Greg Ungerer (gerg@snapgear.com) - * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uClinux.org> - * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com} - * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> - * Copyright (C) 1995 Hamish Macdonald - * Copyright (C) 2000 Lineo Inc. (www.lineo.com) - * Copyright (C) 2001 Lineo, Inc. <www.lineo.com> - * 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca> - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port is free software: you can redistribute - * it and/or modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 2 of the - * License, or (at your option) any later version. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/fb.h> -#include <linux/module.h> -#include <linux/console.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/bootmem.h> -#include <linux/seq_file.h> -#include <linux/init.h> - -#include <asm/devtree.h> -#include <asm/setup.h> -#include <asm/irq.h> -#include <asm/machdep.h> -#include <asm/pgtable.h> -#include <asm/pgalloc.h> -#include <asm/ubicom32-common.h> -#include <asm/processor.h> -#include <asm/bootargs.h> -#include <asm/thread.h> - -unsigned long memory_start; -EXPORT_SYMBOL(memory_start); - -unsigned long memory_end; -EXPORT_SYMBOL(memory_end); - -static char __initdata command_line[COMMAND_LINE_SIZE]; -#ifdef CONFIG_CMDLINE_BOOL -static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; -#endif - -extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; - -/* - * setup_arch() - * Setup the architecture dependent portions of the system. - */ -void __init setup_arch(char **cmdline_p) -{ - int bootmap_size; - unsigned long ram_start; - - processor_init(); - bootargs_init(); - - /* - * Use the link for memory_start from the link and the processor - * node for memory_end. - */ - memory_start = PAGE_ALIGN(((unsigned long)&_end)); - processor_dram(&ram_start, &memory_end); - - init_mm.start_code = (unsigned long) &_stext; - init_mm.end_code = (unsigned long) &_etext; - init_mm.end_data = (unsigned long) &_edata; - init_mm.brk = (unsigned long) 0; - - /* - * bootexec copies the original default command line to end of memory. - * u-boot can modify it there (i.e. to enable network boot) and the - * kernel picks up the modified version. - * - * mainexec creates a `new default' command_line which is in the - * bootargs devnode. It is updated on every firmware update but - * not used at the moment. - */ - strlcpy(boot_command_line, (char *)(memory_end - COMMAND_LINE_SIZE), COMMAND_LINE_SIZE); - -#ifdef CONFIG_CMDLINE_BOOL -#ifdef CONFIG_CMDLINE_OVERRIDE - strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); -#else - if (builtin_cmdline[0]) { - /* append boot loader cmdline to builtin */ - strlcat(builtin_cmdline, " ", COMMAND_LINE_SIZE); - strlcat(builtin_cmdline, boot_command_line, COMMAND_LINE_SIZE); - strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); - } -#endif -#endif - - strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); - *cmdline_p = command_line; - - parse_early_param(); - - printk(KERN_INFO "%s Processor, Ubicom, Inc. <www.ubicom.com>\n", CPU); - -#if defined(DEBUG) - printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x " - "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext, - (int) &_sdata, (int) &_edata, - (int) &_sbss, (int) &_ebss); - printk(KERN_DEBUG "MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ", - (int) &_ebss, (int) memory_start, - (int) memory_start, (int) memory_end); -#endif - -#ifdef DEBUG - if (strlen(*cmdline_p)) - printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p); -#endif - -#if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE) - conswitchp = &dummy_con; -#endif - - /* - * If we have a device tree, see if we have the nodes we need. - */ - if (devtree) { - devtree_print(); - } - - /* - * From the arm initialization comment: - * - * This doesn't seem to be used by the Linux memory manager any - * more, but is used by ll_rw_block. If we can get rid of it, we - * also get rid of some of the stuff above as well. - * - * Note: max_low_pfn and max_pfn reflect the number of _pages_ in - * the system, not the maximum PFN. - */ - max_pfn = max_low_pfn = (memory_end - PAGE_OFFSET) >> PAGE_SHIFT; - - /* - * Give all the memory to the bootmap allocator, tell it to put the - * boot mem_map at the start of memory. - */ - bootmap_size = init_bootmem_node( - NODE_DATA(0), - memory_start >> PAGE_SHIFT, /* map goes here */ - PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */ - memory_end >> PAGE_SHIFT); - /* - * Free the usable memory, we have to make sure we do not free - * the bootmem bitmap so we then reserve it after freeing it :-) - */ - free_bootmem(memory_start, memory_end - memory_start); - reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT); - - /* - * Get kmalloc into gear. - */ - paging_init(); - - /* - * Fix up the thread_info structure, indicate this is a mainline Linux - * thread and setup the sw_ksp(). - */ - sw_ksp[thread_get_self()] = (unsigned int) current_thread_info(); - thread_set_mainline(thread_get_self()); -} |