diff options
Diffstat (limited to 'arch/arm/mach-ep93xx/ts72xx.c')
-rw-r--r-- | arch/arm/mach-ep93xx/ts72xx.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c new file mode 100644 index 000000000000..777e75daa8a5 --- /dev/null +++ b/arch/arm/mach-ep93xx/ts72xx.c | |||
@@ -0,0 +1,118 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-ep93xx/ts72xx.c | ||
3 | * Technologic Systems TS72xx SBC support. | ||
4 | * | ||
5 | * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or (at | ||
10 | * your option) any later version. | ||
11 | */ | ||
12 | |||
13 | #include <linux/config.h> | ||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/mm.h> | ||
17 | #include <linux/sched.h> | ||
18 | #include <linux/interrupt.h> | ||
19 | #include <linux/mtd/physmap.h> | ||
20 | #include <asm/io.h> | ||
21 | #include <asm/hardware.h> | ||
22 | #include <asm/mach-types.h> | ||
23 | #include <asm/mach/arch.h> | ||
24 | #include <asm/mach/map.h> | ||
25 | |||
26 | static struct map_desc ts72xx_io_desc[] __initdata = { | ||
27 | { | ||
28 | .virtual = TS72XX_MODEL_VIRT_BASE, | ||
29 | .pfn = __phys_to_pfn(TS72XX_MODEL_PHYS_BASE), | ||
30 | .length = TS72XX_MODEL_SIZE, | ||
31 | .type = MT_DEVICE, | ||
32 | }, { | ||
33 | .virtual = TS72XX_OPTIONS_VIRT_BASE, | ||
34 | .pfn = __phys_to_pfn(TS72XX_OPTIONS_PHYS_BASE), | ||
35 | .length = TS72XX_OPTIONS_SIZE, | ||
36 | .type = MT_DEVICE, | ||
37 | }, { | ||
38 | .virtual = TS72XX_OPTIONS2_VIRT_BASE, | ||
39 | .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE), | ||
40 | .length = TS72XX_OPTIONS2_SIZE, | ||
41 | .type = MT_DEVICE, | ||
42 | } | ||
43 | }; | ||
44 | |||
45 | static struct map_desc ts72xx_nand_io_desc[] __initdata = { | ||
46 | { | ||
47 | .virtual = TS72XX_NAND_DATA_VIRT_BASE, | ||
48 | .pfn = __phys_to_pfn(TS72XX_NAND1_DATA_PHYS_BASE), | ||
49 | .length = TS72XX_NAND_DATA_SIZE, | ||
50 | .type = MT_DEVICE, | ||
51 | }, { | ||
52 | .virtual = TS72XX_NAND_CONTROL_VIRT_BASE, | ||
53 | .pfn = __phys_to_pfn(TS72XX_NAND1_CONTROL_PHYS_BASE), | ||
54 | .length = TS72XX_NAND_CONTROL_SIZE, | ||
55 | .type = MT_DEVICE, | ||
56 | }, { | ||
57 | .virtual = TS72XX_NAND_BUSY_VIRT_BASE, | ||
58 | .pfn = __phys_to_pfn(TS72XX_NAND1_BUSY_PHYS_BASE), | ||
59 | .length = TS72XX_NAND_BUSY_SIZE, | ||
60 | .type = MT_DEVICE, | ||
61 | } | ||
62 | }; | ||
63 | |||
64 | static struct map_desc ts72xx_alternate_nand_io_desc[] __initdata = { | ||
65 | { | ||
66 | .virtual = TS72XX_NAND_DATA_VIRT_BASE, | ||
67 | .pfn = __phys_to_pfn(TS72XX_NAND2_DATA_PHYS_BASE), | ||
68 | .length = TS72XX_NAND_DATA_SIZE, | ||
69 | .type = MT_DEVICE, | ||
70 | }, { | ||
71 | .virtual = TS72XX_NAND_CONTROL_VIRT_BASE, | ||
72 | .pfn = __phys_to_pfn(TS72XX_NAND2_CONTROL_PHYS_BASE), | ||
73 | .length = TS72XX_NAND_CONTROL_SIZE, | ||
74 | .type = MT_DEVICE, | ||
75 | }, { | ||
76 | .virtual = TS72XX_NAND_BUSY_VIRT_BASE, | ||
77 | .pfn = __phys_to_pfn(TS72XX_NAND2_BUSY_PHYS_BASE), | ||
78 | .length = TS72XX_NAND_BUSY_SIZE, | ||
79 | .type = MT_DEVICE, | ||
80 | } | ||
81 | }; | ||
82 | |||
83 | static void __init ts72xx_map_io(void) | ||
84 | { | ||
85 | ep93xx_map_io(); | ||
86 | iotable_init(ts72xx_io_desc, ARRAY_SIZE(ts72xx_io_desc)); | ||
87 | |||
88 | /* | ||
89 | * The TS-7200 has NOR flash, the other models have NAND flash. | ||
90 | */ | ||
91 | if (!board_is_ts7200()) { | ||
92 | if (is_ts9420_installed()) { | ||
93 | iotable_init(ts72xx_alternate_nand_io_desc, | ||
94 | ARRAY_SIZE(ts72xx_alternate_nand_io_desc)); | ||
95 | } else { | ||
96 | iotable_init(ts72xx_nand_io_desc, | ||
97 | ARRAY_SIZE(ts72xx_nand_io_desc)); | ||
98 | } | ||
99 | } | ||
100 | } | ||
101 | |||
102 | static void __init ts72xx_init_machine(void) | ||
103 | { | ||
104 | ep93xx_init_devices(); | ||
105 | if (board_is_ts7200()) | ||
106 | physmap_configure(TS72XX_NOR_PHYS_BASE, 0x01000000, 1, NULL); | ||
107 | } | ||
108 | |||
109 | MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC") | ||
110 | /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ | ||
111 | .phys_io = EP93XX_APB_PHYS_BASE, | ||
112 | .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, | ||
113 | .boot_params = 0x00000100, | ||
114 | .map_io = ts72xx_map_io, | ||
115 | .init_irq = ep93xx_init_irq, | ||
116 | .timer = &ep93xx_timer, | ||
117 | .init_machine = ts72xx_init_machine, | ||
118 | MACHINE_END | ||