diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/microblaze/kernel/setup.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/microblaze/kernel/setup.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/ANDROID_3.4.5/arch/microblaze/kernel/setup.c b/ANDROID_3.4.5/arch/microblaze/kernel/setup.c deleted file mode 100644 index 16d8dfd9..00000000 --- a/ANDROID_3.4.5/arch/microblaze/kernel/setup.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> - * Copyright (C) 2007-2009 PetaLogix - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/init.h> -#include <linux/string.h> -#include <linux/seq_file.h> -#include <linux/cpu.h> -#include <linux/initrd.h> -#include <linux/console.h> -#include <linux/debugfs.h> - -#include <asm/setup.h> -#include <asm/sections.h> -#include <asm/page.h> -#include <linux/io.h> -#include <linux/bug.h> -#include <linux/param.h> -#include <linux/pci.h> -#include <linux/cache.h> -#include <linux/of_platform.h> -#include <linux/dma-mapping.h> -#include <asm/cacheflush.h> -#include <asm/entry.h> -#include <asm/cpuinfo.h> - -#include <asm/prom.h> -#include <asm/pgtable.h> - -DEFINE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */ -DEFINE_PER_CPU(unsigned int, KM); /* Kernel/user mode */ -DEFINE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */ -DEFINE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */ -DEFINE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */ - -unsigned int boot_cpuid; -char cmd_line[COMMAND_LINE_SIZE]; - -void __init setup_arch(char **cmdline_p) -{ - *cmdline_p = cmd_line; - - console_verbose(); - - unflatten_device_tree(); - - setup_cpuinfo(); - - microblaze_cache_init(); - - setup_memory(); - -#ifdef CONFIG_EARLY_PRINTK - /* remap early console to virtual address */ - remap_early_printk(); -#endif - - xilinx_pci_init(); - -#if defined(CONFIG_SELFMOD_INTC) || defined(CONFIG_SELFMOD_TIMER) - printk(KERN_NOTICE "Self modified code enable\n"); -#endif - -#ifdef CONFIG_VT -#if defined(CONFIG_XILINX_CONSOLE) - conswitchp = &xil_con; -#elif defined(CONFIG_DUMMY_CONSOLE) - conswitchp = &dummy_con; -#endif -#endif -} - -#ifdef CONFIG_MTD_UCLINUX -/* Handle both romfs and cramfs types, without generating unnecessary - code (ie no point checking for CRAMFS if it's not even enabled) */ -inline unsigned get_romfs_len(unsigned *addr) -{ -#ifdef CONFIG_ROMFS_FS - if (memcmp(&addr[0], "-rom1fs-", 8) == 0) /* romfs */ - return be32_to_cpu(addr[2]); -#endif - -#ifdef CONFIG_CRAMFS - if (addr[0] == le32_to_cpu(0x28cd3d45)) /* cramfs */ - return le32_to_cpu(addr[1]); -#endif - return 0; -} -#endif /* CONFIG_MTD_UCLINUX_EBSS */ - -unsigned long kernel_tlb; - -void __init machine_early_init(const char *cmdline, unsigned int ram, - unsigned int fdt, unsigned int msr, unsigned int tlb0, - unsigned int tlb1) -{ - unsigned long *src, *dst; - unsigned int offset = 0; - - /* If CONFIG_MTD_UCLINUX is defined, assume ROMFS is at the - * end of kernel. There are two position which we want to check. - * The first is __init_end and the second __bss_start. - */ -#ifdef CONFIG_MTD_UCLINUX - int romfs_size; - unsigned int romfs_base; - char *old_klimit = klimit; - - romfs_base = (ram ? ram : (unsigned int)&__init_end); - romfs_size = PAGE_ALIGN(get_romfs_len((unsigned *)romfs_base)); - if (!romfs_size) { - romfs_base = (unsigned int)&__bss_start; - romfs_size = PAGE_ALIGN(get_romfs_len((unsigned *)romfs_base)); - } - - /* Move ROMFS out of BSS before clearing it */ - if (romfs_size > 0) { - memmove(&_ebss, (int *)romfs_base, romfs_size); - klimit += romfs_size; - } -#endif - -/* clearing bss section */ - memset(__bss_start, 0, __bss_stop-__bss_start); - memset(_ssbss, 0, _esbss-_ssbss); - - /* Copy command line passed from bootloader */ -#ifndef CONFIG_CMDLINE_BOOL - if (cmdline && cmdline[0] != '\0') - strlcpy(cmd_line, cmdline, COMMAND_LINE_SIZE); -#endif - - lockdep_init(); - -/* initialize device tree for usage in early_printk */ - early_init_devtree((void *)_fdt_start); - -#ifdef CONFIG_EARLY_PRINTK - setup_early_printk(NULL); -#endif - - /* setup kernel_tlb after BSS cleaning - * Maybe worth to move to asm code */ - kernel_tlb = tlb0 + tlb1; - /* printk("TLB1 0x%08x, TLB0 0x%08x, tlb 0x%x\n", tlb0, - tlb1, kernel_tlb); */ - - printk("Ramdisk addr 0x%08x, ", ram); - if (fdt) - printk("FDT at 0x%08x\n", fdt); - else - printk("Compiled-in FDT at 0x%08x\n", - (unsigned int)_fdt_start); - -#ifdef CONFIG_MTD_UCLINUX - printk("Found romfs @ 0x%08x (0x%08x)\n", - romfs_base, romfs_size); - printk("#### klimit %p ####\n", old_klimit); - BUG_ON(romfs_size < 0); /* What else can we do? */ - - printk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n", - romfs_size, romfs_base, (unsigned)&_ebss); - - printk("New klimit: 0x%08x\n", (unsigned)klimit); -#endif - -#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR - if (msr) - printk("!!!Your kernel has setup MSR instruction but " - "CPU don't have it %x\n", msr); -#else - if (!msr) - printk("!!!Your kernel not setup MSR instruction but " - "CPU have it %x\n", msr); -#endif - - /* Do not copy reset vectors. offset = 0x2 means skip the first - * two instructions. dst is pointer to MB vectors which are placed - * in block ram. If you want to copy reset vector setup offset to 0x0 */ -#if !CONFIG_MANUAL_RESET_VECTOR - offset = 0x2; -#endif - dst = (unsigned long *) (offset * sizeof(u32)); - for (src = __ivt_start + offset; src < __ivt_end; src++, dst++) - *dst = *src; - - /* Initialize global data */ - per_cpu(KM, 0) = 0x1; /* We start in kernel mode */ - per_cpu(CURRENT_SAVE, 0) = (unsigned long)current; -} - -#ifdef CONFIG_DEBUG_FS -struct dentry *of_debugfs_root; - -static int microblaze_debugfs_init(void) -{ - of_debugfs_root = debugfs_create_dir("microblaze", NULL); - - return of_debugfs_root == NULL; -} -arch_initcall(microblaze_debugfs_init); - -# ifdef CONFIG_MMU -static int __init debugfs_tlb(void) -{ - struct dentry *d; - - if (!of_debugfs_root) - return -ENODEV; - - d = debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip); - if (!d) - return -ENOMEM; -} -device_initcall(debugfs_tlb); -# endif -#endif - -static int dflt_bus_notify(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct device *dev = data; - - /* We are only intereted in device addition */ - if (action != BUS_NOTIFY_ADD_DEVICE) - return 0; - - set_dma_ops(dev, &dma_direct_ops); - - return NOTIFY_DONE; -} - -static struct notifier_block dflt_plat_bus_notifier = { - .notifier_call = dflt_bus_notify, - .priority = INT_MAX, -}; - -static int __init setup_bus_notifier(void) -{ - bus_register_notifier(&platform_bus_type, &dflt_plat_bus_notifier); - - return 0; -} - -arch_initcall(setup_bus_notifier); |