diff options
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/sysmmu.h')
-rw-r--r-- | arch/arm/plat-samsung/include/plat/sysmmu.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/arch/arm/plat-samsung/include/plat/sysmmu.h b/arch/arm/plat-samsung/include/plat/sysmmu.h deleted file mode 100644 index 5fe8ee01a5ba..000000000000 --- a/arch/arm/plat-samsung/include/plat/sysmmu.h +++ /dev/null | |||
@@ -1,95 +0,0 @@ | |||
1 | /* linux/arch/arm/plat-samsung/include/plat/sysmmu.h | ||
2 | * | ||
3 | * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. | ||
4 | * http://www.samsung.com | ||
5 | * | ||
6 | * Samsung System MMU driver for S5P platform | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #ifndef __PLAT_SAMSUNG_SYSMMU_H | ||
14 | #define __PLAT_SAMSUNG_SYSMMU_H __FILE__ | ||
15 | |||
16 | enum S5P_SYSMMU_INTERRUPT_TYPE { | ||
17 | SYSMMU_PAGEFAULT, | ||
18 | SYSMMU_AR_MULTIHIT, | ||
19 | SYSMMU_AW_MULTIHIT, | ||
20 | SYSMMU_BUSERROR, | ||
21 | SYSMMU_AR_SECURITY, | ||
22 | SYSMMU_AR_ACCESS, | ||
23 | SYSMMU_AW_SECURITY, | ||
24 | SYSMMU_AW_PROTECTION, /* 7 */ | ||
25 | SYSMMU_FAULTS_NUM | ||
26 | }; | ||
27 | |||
28 | #ifdef CONFIG_S5P_SYSTEM_MMU | ||
29 | |||
30 | #include <mach/sysmmu.h> | ||
31 | |||
32 | /** | ||
33 | * s5p_sysmmu_enable() - enable system mmu of ip | ||
34 | * @ips: The ip connected system mmu. | ||
35 | * #pgd: Base physical address of the 1st level page table | ||
36 | * | ||
37 | * This function enable system mmu to transfer address | ||
38 | * from virtual address to physical address | ||
39 | */ | ||
40 | void s5p_sysmmu_enable(sysmmu_ips ips, unsigned long pgd); | ||
41 | |||
42 | /** | ||
43 | * s5p_sysmmu_disable() - disable sysmmu mmu of ip | ||
44 | * @ips: The ip connected system mmu. | ||
45 | * | ||
46 | * This function disable system mmu to transfer address | ||
47 | * from virtual address to physical address | ||
48 | */ | ||
49 | void s5p_sysmmu_disable(sysmmu_ips ips); | ||
50 | |||
51 | /** | ||
52 | * s5p_sysmmu_set_tablebase_pgd() - set page table base address to refer page table | ||
53 | * @ips: The ip connected system mmu. | ||
54 | * @pgd: The page table base address. | ||
55 | * | ||
56 | * This function set page table base address | ||
57 | * When system mmu transfer address from virtaul address to physical address, | ||
58 | * system mmu refer address information from page table | ||
59 | */ | ||
60 | void s5p_sysmmu_set_tablebase_pgd(sysmmu_ips ips, unsigned long pgd); | ||
61 | |||
62 | /** | ||
63 | * s5p_sysmmu_tlb_invalidate() - flush all TLB entry in system mmu | ||
64 | * @ips: The ip connected system mmu. | ||
65 | * | ||
66 | * This function flush all TLB entry in system mmu | ||
67 | */ | ||
68 | void s5p_sysmmu_tlb_invalidate(sysmmu_ips ips); | ||
69 | |||
70 | /** s5p_sysmmu_set_fault_handler() - Fault handler for System MMUs | ||
71 | * @itype: type of fault. | ||
72 | * @pgtable_base: the physical address of page table base. This is 0 if @ips is | ||
73 | * SYSMMU_BUSERROR. | ||
74 | * @fault_addr: the device (virtual) address that the System MMU tried to | ||
75 | * translated. This is 0 if @ips is SYSMMU_BUSERROR. | ||
76 | * Called when interrupt occurred by the System MMUs | ||
77 | * The device drivers of peripheral devices that has a System MMU can implement | ||
78 | * a fault handler to resolve address translation fault by System MMU. | ||
79 | * The meanings of return value and parameters are described below. | ||
80 | |||
81 | * return value: non-zero if the fault is correctly resolved. | ||
82 | * zero if the fault is not handled. | ||
83 | */ | ||
84 | void s5p_sysmmu_set_fault_handler(sysmmu_ips ips, | ||
85 | int (*handler)(enum S5P_SYSMMU_INTERRUPT_TYPE itype, | ||
86 | unsigned long pgtable_base, | ||
87 | unsigned long fault_addr)); | ||
88 | #else | ||
89 | #define s5p_sysmmu_enable(ips, pgd) do { } while (0) | ||
90 | #define s5p_sysmmu_disable(ips) do { } while (0) | ||
91 | #define s5p_sysmmu_set_tablebase_pgd(ips, pgd) do { } while (0) | ||
92 | #define s5p_sysmmu_tlb_invalidate(ips) do { } while (0) | ||
93 | #define s5p_sysmmu_set_fault_handler(ips, handler) do { } while (0) | ||
94 | #endif | ||
95 | #endif /* __ASM_PLAT_SYSMMU_H */ | ||