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285f5fa7 DW |
1 | /* |
2 | * iop13xx custom ioremap implementation | |
3 | * Copyright (c) 2005-2006, Intel Corporation. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms and conditions of the GNU General Public License, | |
7 | * version 2, as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple | |
16 | * Place - Suite 330, Boston, MA 02111-1307 USA. | |
17 | * | |
18 | */ | |
19 | #include <linux/kernel.h> | |
20 | #include <linux/module.h> | |
a09e64fb | 21 | #include <mach/hardware.h> |
285f5fa7 DW |
22 | #include <asm/io.h> |
23 | ||
b0b1d60a DW |
24 | void * __iomem __iop13xx_io(unsigned long io_addr) |
25 | { | |
26 | void __iomem * io_virt; | |
27 | ||
28 | switch (io_addr) { | |
29 | case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA: | |
30 | io_virt = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(io_addr); | |
31 | break; | |
32 | case IOP13XX_PCIX_LOWER_IO_PA ... IOP13XX_PCIX_UPPER_IO_PA: | |
33 | io_virt = (void *) IOP13XX_PCIX_IO_PHYS_TO_VIRT(io_addr); | |
34 | break; | |
35 | default: | |
36 | BUG(); | |
37 | } | |
38 | ||
39 | return io_virt; | |
40 | } | |
41 | EXPORT_SYMBOL(__iop13xx_io); | |
42 | ||
285f5fa7 | 43 | void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size, |
3603ab2b | 44 | unsigned int mtype) |
285f5fa7 DW |
45 | { |
46 | void __iomem * retval; | |
47 | ||
48 | switch (cookie) { | |
49 | case IOP13XX_PCIX_LOWER_MEM_RA ... IOP13XX_PCIX_UPPER_MEM_RA: | |
50 | if (unlikely(!iop13xx_atux_mem_base)) | |
51 | retval = NULL; | |
52 | else | |
53 | retval = (void *)(iop13xx_atux_mem_base + | |
54 | (cookie - IOP13XX_PCIX_LOWER_MEM_RA)); | |
55 | break; | |
56 | case IOP13XX_PCIE_LOWER_MEM_RA ... IOP13XX_PCIE_UPPER_MEM_RA: | |
57 | if (unlikely(!iop13xx_atue_mem_base)) | |
58 | retval = NULL; | |
59 | else | |
60 | retval = (void *)(iop13xx_atue_mem_base + | |
61 | (cookie - IOP13XX_PCIE_LOWER_MEM_RA)); | |
62 | break; | |
63 | case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA: | |
3603ab2b RK |
64 | retval = __arm_ioremap(IOP13XX_PBI_LOWER_MEM_PA + |
65 | (cookie - IOP13XX_PBI_LOWER_MEM_RA), | |
66 | size, mtype); | |
285f5fa7 DW |
67 | break; |
68 | case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA: | |
69 | retval = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(cookie); | |
70 | break; | |
71 | case IOP13XX_PCIX_LOWER_IO_PA ... IOP13XX_PCIX_UPPER_IO_PA: | |
72 | retval = (void *) IOP13XX_PCIX_IO_PHYS_TO_VIRT(cookie); | |
73 | break; | |
74 | case IOP13XX_PMMR_PHYS_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_PA: | |
75 | retval = (void *) IOP13XX_PMMR_PHYS_TO_VIRT(cookie); | |
76 | break; | |
77 | default: | |
3603ab2b | 78 | retval = __arm_ioremap(cookie, size, mtype); |
285f5fa7 DW |
79 | } |
80 | ||
81 | return retval; | |
82 | } | |
83 | EXPORT_SYMBOL(__iop13xx_ioremap); | |
84 | ||
85 | void __iop13xx_iounmap(void __iomem *addr) | |
86 | { | |
87 | extern void __iounmap(volatile void __iomem *addr); | |
88 | ||
89 | if (iop13xx_atue_mem_base) | |
90 | if (addr >= (void __iomem *) iop13xx_atue_mem_base && | |
91 | addr < (void __iomem *) (iop13xx_atue_mem_base + | |
92 | iop13xx_atue_mem_size)) | |
93 | goto skip; | |
94 | ||
95 | if (iop13xx_atux_mem_base) | |
96 | if (addr >= (void __iomem *) iop13xx_atux_mem_base && | |
97 | addr < (void __iomem *) (iop13xx_atux_mem_base + | |
98 | iop13xx_atux_mem_size)) | |
99 | goto skip; | |
100 | ||
101 | switch ((u32) addr) { | |
102 | case IOP13XX_PCIE_LOWER_IO_VA ... IOP13XX_PCIE_UPPER_IO_VA: | |
103 | case IOP13XX_PCIX_LOWER_IO_VA ... IOP13XX_PCIX_UPPER_IO_VA: | |
104 | case IOP13XX_PMMR_VIRT_MEM_BASE ... IOP13XX_PMMR_UPPER_MEM_VA: | |
105 | goto skip; | |
106 | } | |
107 | __iounmap(addr); | |
108 | ||
109 | skip: | |
110 | return; | |
111 | } | |
112 | EXPORT_SYMBOL(__iop13xx_iounmap); |