diff options
Diffstat (limited to 'arch/arm/plat-s5p/include/plat/sysmmu.h')
-rw-r--r-- | arch/arm/plat-s5p/include/plat/sysmmu.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/arch/arm/plat-s5p/include/plat/sysmmu.h b/arch/arm/plat-s5p/include/plat/sysmmu.h deleted file mode 100644 index bf5283c2a19d..000000000000 --- a/arch/arm/plat-s5p/include/plat/sysmmu.h +++ /dev/null @@ -1,95 +0,0 @@ -/* linux/arch/arm/plat-s5p/include/plat/sysmmu.h - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Samsung System MMU driver for S5P platform - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM__PLAT_SYSMMU_H -#define __ASM__PLAT_SYSMMU_H __FILE__ - -enum S5P_SYSMMU_INTERRUPT_TYPE { - SYSMMU_PAGEFAULT, - SYSMMU_AR_MULTIHIT, - SYSMMU_AW_MULTIHIT, - SYSMMU_BUSERROR, - SYSMMU_AR_SECURITY, - SYSMMU_AR_ACCESS, - SYSMMU_AW_SECURITY, - SYSMMU_AW_PROTECTION, /* 7 */ - SYSMMU_FAULTS_NUM -}; - -#ifdef CONFIG_S5P_SYSTEM_MMU - -#include <mach/sysmmu.h> - -/** - * s5p_sysmmu_enable() - enable system mmu of ip - * @ips: The ip connected system mmu. - * #pgd: Base physical address of the 1st level page table - * - * This function enable system mmu to transfer address - * from virtual address to physical address - */ -void s5p_sysmmu_enable(sysmmu_ips ips, unsigned long pgd); - -/** - * s5p_sysmmu_disable() - disable sysmmu mmu of ip - * @ips: The ip connected system mmu. - * - * This function disable system mmu to transfer address - * from virtual address to physical address - */ -void s5p_sysmmu_disable(sysmmu_ips ips); - -/** - * s5p_sysmmu_set_tablebase_pgd() - set page table base address to refer page table - * @ips: The ip connected system mmu. - * @pgd: The page table base address. - * - * This function set page table base address - * When system mmu transfer address from virtaul address to physical address, - * system mmu refer address information from page table - */ -void s5p_sysmmu_set_tablebase_pgd(sysmmu_ips ips, unsigned long pgd); - -/** - * s5p_sysmmu_tlb_invalidate() - flush all TLB entry in system mmu - * @ips: The ip connected system mmu. - * - * This function flush all TLB entry in system mmu - */ -void s5p_sysmmu_tlb_invalidate(sysmmu_ips ips); - -/** s5p_sysmmu_set_fault_handler() - Fault handler for System MMUs - * @itype: type of fault. - * @pgtable_base: the physical address of page table base. This is 0 if @ips is - * SYSMMU_BUSERROR. - * @fault_addr: the device (virtual) address that the System MMU tried to - * translated. This is 0 if @ips is SYSMMU_BUSERROR. - * Called when interrupt occurred by the System MMUs - * The device drivers of peripheral devices that has a System MMU can implement - * a fault handler to resolve address translation fault by System MMU. - * The meanings of return value and parameters are described below. - - * return value: non-zero if the fault is correctly resolved. - * zero if the fault is not handled. - */ -void s5p_sysmmu_set_fault_handler(sysmmu_ips ips, - int (*handler)(enum S5P_SYSMMU_INTERRUPT_TYPE itype, - unsigned long pgtable_base, - unsigned long fault_addr)); -#else -#define s5p_sysmmu_enable(ips, pgd) do { } while (0) -#define s5p_sysmmu_disable(ips) do { } while (0) -#define s5p_sysmmu_set_tablebase_pgd(ips, pgd) do { } while (0) -#define s5p_sysmmu_tlb_invalidate(ips) do { } while (0) -#define s5p_sysmmu_set_fault_handler(ips, handler) do { } while (0) -#endif -#endif /* __ASM_PLAT_SYSMMU_H */ |