diff options
Diffstat (limited to 'arch/microblaze/kernel/setup.c')
| -rw-r--r-- | arch/microblaze/kernel/setup.c | 97 |
1 files changed, 21 insertions, 76 deletions
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index 0263da7b83dd..f417333eccae 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -9,12 +9,16 @@ */ #include <linux/init.h> +#include <linux/of_clk.h> +#include <linux/clocksource.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 <linux/of_fdt.h> +#include <linux/pgtable.h> #include <asm/setup.h> #include <asm/sections.h> @@ -24,14 +28,12 @@ #include <linux/param.h> #include <linux/pci.h> #include <linux/cache.h> -#include <linux/of_platform.h> +#include <linux/of.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 */ @@ -39,17 +41,18 @@ 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; /* * Placed cmd_line to .data section because can be initialized from * ASM code. Default position is BSS section which is cleared * in machine_early_init(). */ -char cmd_line[COMMAND_LINE_SIZE] __attribute__ ((section(".data"))); +char cmd_line[COMMAND_LINE_SIZE] __section(".data"); void __init setup_arch(char **cmdline_p) { - *cmdline_p = cmd_line; + *cmdline_p = boot_command_line; + + setup_memory(); console_verbose(); @@ -59,26 +62,7 @@ void __init setup_arch(char **cmdline_p) 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) - pr_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 @@ -135,14 +119,8 @@ void __init machine_early_init(const char *cmdline, unsigned int ram, memset(__bss_start, 0, __bss_stop-__bss_start); memset(_ssbss, 0, _esbss-_ssbss); - 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 + early_init_devtree(_fdt_start); /* setup kernel_tlb after BSS cleaning * Maybe worth to move to asm code */ @@ -154,8 +132,7 @@ void __init machine_early_init(const char *cmdline, unsigned int ram, if (fdt) pr_info("FDT at 0x%08x\n", fdt); else - pr_info("Compiled-in FDT at 0x%08x\n", - (unsigned int)_fdt_start); + pr_info("Compiled-in FDT at %p\n", _fdt_start); #ifdef CONFIG_MTD_UCLINUX pr_info("Found romfs @ 0x%08x (0x%08x)\n", @@ -177,7 +154,7 @@ void __init machine_early_init(const char *cmdline, unsigned int ram, #else if (!msr) { pr_info("!!!Your kernel not setup MSR instruction but "); - pr_cont"CPU have it %x\n", msr); + pr_cont("CPU have it %x\n", msr); } #endif @@ -196,59 +173,27 @@ void __init machine_early_init(const char *cmdline, unsigned int ram, per_cpu(CURRENT_SAVE, 0) = (unsigned long)current; } +void __init time_init(void) +{ + of_clk_init(NULL); + setup_cpuinfo_clk(); + timer_probe(); +} + #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; + return 0; } 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; - + debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip); return 0; } 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); |
