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/init.h>
14 #include <linux/kernel.h>
15 #include <linux/tty.h>
16 #include <linux/platform_device.h>
17 #include <linux/irq.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/partitions.h>
20
21 #include <asm/irq.h>
22 #include <mach/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 <mach/cerf.h>
32 #include <mach/mcp.h>
33 #include "generic.h"
34
35 static struct resource cerfuart2_resources[] = {
36 [0] = {
37 .start = 0x80030000,
38 .end = 0x8003ffff,
39 .flags = IORESOURCE_MEM,
40 },
41 };
42
43 static struct platform_device cerfuart2_device = {
44 .name = "sa11x0-uart",
45 .id = 2,
46 .num_resources = ARRAY_SIZE(cerfuart2_resources),
47 .resource = cerfuart2_resources,
48 };
49
50 static struct platform_device *cerf_devices[] __initdata = {
51 &cerfuart2_device,
52 };
53
54 #ifdef CONFIG_SA1100_CERF_FLASH_32MB
55 # define CERF_FLASH_SIZE 0x02000000
56 #elif defined CONFIG_SA1100_CERF_FLASH_16MB
57 # define CERF_FLASH_SIZE 0x01000000
58 #elif defined CONFIG_SA1100_CERF_FLASH_8MB
59 # define CERF_FLASH_SIZE 0x00800000
60 #else
61 # error "Undefined flash size for CERF"
62 #endif
63
64 static struct mtd_partition cerf_partitions[] = {
65 {
66 .name = "Bootloader",
67 .size = 0x00020000,
68 .offset = 0x00000000,
69 }, {
70 .name = "Params",
71 .size = 0x00040000,
72 .offset = 0x00020000,
73 }, {
74 .name = "Kernel",
75 .size = 0x00100000,
76 .offset = 0x00060000,
77 }, {
78 .name = "Filesystem",
79 .size = CERF_FLASH_SIZE-0x00160000,
80 .offset = 0x00160000,
81 }
82 };
83
84 static struct flash_platform_data cerf_flash_data = {
85 .map_name = "cfi_probe",
86 .parts = cerf_partitions,
87 .nr_parts = ARRAY_SIZE(cerf_partitions),
88 };
89
90 static struct resource cerf_flash_resource = {
91 .start = SA1100_CS0_PHYS,
92 .end = SA1100_CS0_PHYS + SZ_32M - 1,
93 .flags = IORESOURCE_MEM,
94 };
95
cerf_init_irq(void)96 static void __init cerf_init_irq(void)
97 {
98 sa1100_init_irq();
99 irq_set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING);
100 }
101
102 static struct map_desc cerf_io_desc[] __initdata = {
103 { /* Crystal Ethernet Chip */
104 .virtual = 0xf0000000,
105 .pfn = __phys_to_pfn(0x08000000),
106 .length = 0x00100000,
107 .type = MT_DEVICE
108 }
109 };
110
cerf_map_io(void)111 static void __init cerf_map_io(void)
112 {
113 sa1100_map_io();
114 iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc));
115
116 sa1100_register_uart(0, 3);
117 sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */
118 sa1100_register_uart(2, 1);
119
120 /* set some GPDR bits here while it's safe */
121 GPDR |= CERF_GPIO_CF_RESET;
122 }
123
124 static struct mcp_plat_data cerf_mcp_data = {
125 .mccr0 = MCCR0_ADM,
126 .sclk_rate = 11981000,
127 };
128
cerf_init(void)129 static void __init cerf_init(void)
130 {
131 platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
132 sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
133 sa11x0_register_mcp(&cerf_mcp_data);
134 }
135
136 MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")
137 /* Maintainer: support@intrinsyc.com */
138 .map_io = cerf_map_io,
139 .init_irq = cerf_init_irq,
140 .timer = &sa1100_timer,
141 .init_machine = cerf_init,
142 .restart = sa11x0_restart,
143 MACHINE_END
144