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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-sa1100/cerf.c | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * Apr-2003 : Removed some old PDA crud [FB] | |
9 | * Oct-2003 : Added uart2 resource [FB] | |
10 | * Jan-2004 : Removed io map for flash [FB] | |
11 | */ | |
12 | ||
13 | #include <linux/config.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/tty.h> | |
17 | #include <linux/device.h> | |
18 | #include <linux/mtd/mtd.h> | |
19 | #include <linux/mtd/partitions.h> | |
20 | ||
21 | #include <asm/irq.h> | |
22 | #include <asm/hardware.h> | |
23 | #include <asm/setup.h> | |
24 | ||
25 | #include <asm/mach-types.h> | |
26 | #include <asm/mach/arch.h> | |
27 | #include <asm/mach/flash.h> | |
28 | #include <asm/mach/map.h> | |
29 | #include <asm/mach/serial_sa1100.h> | |
30 | ||
31 | #include <asm/arch/cerf.h> | |
32 | #include "generic.h" | |
33 | ||
34 | static struct resource cerfuart2_resources[] = { | |
35 | [0] = { | |
36 | .start = 0x80030000, | |
37 | .end = 0x8003ffff, | |
38 | .flags = IORESOURCE_MEM, | |
39 | }, | |
40 | }; | |
41 | ||
42 | static struct platform_device cerfuart2_device = { | |
43 | .name = "sa11x0-uart", | |
44 | .id = 2, | |
45 | .num_resources = ARRAY_SIZE(cerfuart2_resources), | |
46 | .resource = cerfuart2_resources, | |
47 | }; | |
48 | ||
49 | static struct platform_device *cerf_devices[] __initdata = { | |
50 | &cerfuart2_device, | |
51 | }; | |
52 | ||
53 | #ifdef CONFIG_SA1100_CERF_FLASH_32MB | |
54 | # define CERF_FLASH_SIZE 0x02000000 | |
55 | #elif defined CONFIG_SA1100_CERF_FLASH_16MB | |
56 | # define CERF_FLASH_SIZE 0x01000000 | |
57 | #elif defined CONFIG_SA1100_CERF_FLASH_8MB | |
58 | # define CERF_FLASH_SIZE 0x00800000 | |
59 | #else | |
60 | # error "Undefined flash size for CERF" | |
61 | #endif | |
62 | ||
63 | static struct mtd_partition cerf_partitions[] = { | |
64 | { | |
65 | .name = "Bootloader", | |
66 | .size = 0x00020000, | |
67 | .offset = 0x00000000, | |
68 | }, { | |
69 | .name = "Params", | |
70 | .size = 0x00040000, | |
71 | .offset = 0x00020000, | |
72 | }, { | |
73 | .name = "Kernel", | |
74 | .size = 0x00100000, | |
75 | .offset = 0x00060000, | |
76 | }, { | |
77 | .name = "Filesystem", | |
78 | .size = CERF_FLASH_SIZE-0x00160000, | |
79 | .offset = 0x00160000, | |
80 | } | |
81 | }; | |
82 | ||
83 | static struct flash_platform_data cerf_flash_data = { | |
84 | .map_name = "cfi_probe", | |
85 | .parts = cerf_partitions, | |
86 | .nr_parts = ARRAY_SIZE(cerf_partitions), | |
87 | }; | |
88 | ||
89 | static struct resource cerf_flash_resource = { | |
90 | .start = SA1100_CS0_PHYS, | |
91 | .end = SA1100_CS0_PHYS + SZ_32M - 1, | |
92 | .flags = IORESOURCE_MEM, | |
93 | }; | |
94 | ||
95 | static void __init cerf_init_irq(void) | |
96 | { | |
97 | sa1100_init_irq(); | |
98 | set_irq_type(CERF_ETH_IRQ, IRQT_RISING); | |
99 | } | |
100 | ||
101 | static struct map_desc cerf_io_desc[] __initdata = { | |
102 | /* virtual physical length type */ | |
103 | { 0xf0000000, 0x08000000, 0x00100000, MT_DEVICE } /* Crystal Ethernet Chip */ | |
104 | }; | |
105 | ||
106 | static void __init cerf_map_io(void) | |
107 | { | |
108 | sa1100_map_io(); | |
109 | iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc)); | |
110 | ||
111 | sa1100_register_uart(0, 3); | |
112 | sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */ | |
113 | sa1100_register_uart(2, 1); | |
114 | ||
115 | /* set some GPDR bits here while it's safe */ | |
116 | GPDR |= CERF_GPIO_CF_RESET; | |
117 | } | |
118 | ||
119 | static void __init cerf_init(void) | |
120 | { | |
121 | platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices)); | |
122 | sa11x0_set_flash_data(&cerf_flash_data, &cerf_flash_resource, 1); | |
123 | } | |
124 | ||
125 | MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube") | |
126 | MAINTAINER("support@intrinsyc.com") | |
127 | BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) | |
128 | MAPIO(cerf_map_io) | |
129 | INITIRQ(cerf_init_irq) | |
130 | .timer = &sa1100_timer, | |
131 | .init_machine = cerf_init, | |
132 | MACHINE_END |