/* * loadmmu.c: Setup cpu/cache specific function ptrs at boot time. * * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. */ #include #include #include #include #include #include #include #include #include #include /* memory functions */ void (*_clear_page)(void * page); void (*_copy_page)(void * to, void * from); /* Cache operations. */ void (*_flush_cache_all)(void); void (*___flush_cache_all)(void); void (*_flush_cache_mm)(struct mm_struct *mm); void (*_flush_cache_range)(struct mm_struct *mm, unsigned long start, unsigned long end); void (*_flush_cache_page)(struct vm_area_struct *vma, unsigned long page); void (*_flush_cache_sigtramp)(unsigned long addr); void (*_flush_page_to_ram)(struct page * page); void (*_flush_icache_range)(unsigned long start, unsigned long end); void (*_flush_icache_page)(struct vm_area_struct *vma, struct page *page); /* DMA cache operations. */ void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size); void (*_dma_cache_wback)(unsigned long start, unsigned long size); void (*_dma_cache_inv)(unsigned long start, unsigned long size); extern void ld_mmu_r2300(void); extern void ld_mmu_r4xx0(void); extern void ld_mmu_r5432(void); extern void ld_mmu_r6000(void); extern void ld_mmu_rm7k(void); extern void ld_mmu_tfp(void); extern void ld_mmu_andes(void); extern void ld_mmu_mips32(void); void __init loadmmu(void) { if (mips_cpu.options & MIPS_CPU_4KTLB) { #if defined(CONFIG_CPU_R4X00) || defined(CONFIG_CPU_R4300) || \ defined(CONFIG_CPU_R5000) || defined(CONFIG_CPU_NEVADA) printk("Loading R4000 MMU routines.\n"); ld_mmu_r4xx0(); #endif #if defined(CONFIG_CPU_RM7000) printk("Loading RM7000 MMU routines.\n"); ld_mmu_rm7k(); #endif #if defined(CONFIG_CPU_MIPS32) printk("Loading MIPS32 MMU routines.\n"); ld_mmu_mips32(); #endif } else switch(mips_cpu.cputype) { #ifdef CONFIG_CPU_R3000 case CPU_R2000: case CPU_R3000: case CPU_R3000A: case CPU_R3081E: printk("Loading R[23]00 MMU routines.\n"); ld_mmu_r2300(); break; #endif #if defined(CONFIG_CPU_R5432) case CPU_R5432: printk("Loading R5432 MMU routines.\n"); ld_mmu_r5432(); break; #endif #ifdef CONFIG_CPU_R10000 case CPU_R10000: printk("Loading R10000 MMU routines.\n"); ld_mmu_andes(); break; #endif default: panic("Yeee, unsupported mmu/cache architecture."); } }