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_data/sa11x0-serial.h>
17 #include <linux/platform_device.h>
18 #include <linux/irq.h>
19 #include <linux/mtd/mtd.h>
20 #include <linux/mtd/partitions.h>
21 #include <linux/gpio.h>
22 #include <linux/leds.h>
23
24 #include <mach/hardware.h>
25 #include <asm/setup.h>
26
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/flash.h>
30 #include <asm/mach/map.h>
31
32 #include <mach/cerf.h>
33 #include <linux/platform_data/mfd-mcp-sa11x0.h>
34 #include <mach/irqs.h>
35 #include "generic.h"
36
37 static struct resource cerfuart2_resources[] = {
38 [0] = DEFINE_RES_MEM(0x80030000, SZ_64K),
39 };
40
41 static struct platform_device cerfuart2_device = {
42 .name = "sa11x0-uart",
43 .id = 2,
44 .num_resources = ARRAY_SIZE(cerfuart2_resources),
45 .resource = cerfuart2_resources,
46 };
47
48 /* LEDs */
49 struct gpio_led cerf_gpio_leds[] = {
50 {
51 .name = "cerf:d0",
52 .default_trigger = "heartbeat",
53 .gpio = 0,
54 },
55 {
56 .name = "cerf:d1",
57 .default_trigger = "cpu0",
58 .gpio = 1,
59 },
60 {
61 .name = "cerf:d2",
62 .default_trigger = "default-on",
63 .gpio = 2,
64 },
65 {
66 .name = "cerf:d3",
67 .default_trigger = "default-on",
68 .gpio = 3,
69 },
70
71 };
72
73 static struct gpio_led_platform_data cerf_gpio_led_info = {
74 .leds = cerf_gpio_leds,
75 .num_leds = ARRAY_SIZE(cerf_gpio_leds),
76 };
77
78 static struct platform_device cerf_leds = {
79 .name = "leds-gpio",
80 .id = -1,
81 .dev = {
82 .platform_data = &cerf_gpio_led_info,
83 }
84 };
85
86
87 static struct platform_device *cerf_devices[] __initdata = {
88 &cerfuart2_device,
89 &cerf_leds,
90 };
91
92 #ifdef CONFIG_SA1100_CERF_FLASH_32MB
93 # define CERF_FLASH_SIZE 0x02000000
94 #elif defined CONFIG_SA1100_CERF_FLASH_16MB
95 # define CERF_FLASH_SIZE 0x01000000
96 #elif defined CONFIG_SA1100_CERF_FLASH_8MB
97 # define CERF_FLASH_SIZE 0x00800000
98 #else
99 # error "Undefined flash size for CERF"
100 #endif
101
102 static struct mtd_partition cerf_partitions[] = {
103 {
104 .name = "Bootloader",
105 .size = 0x00020000,
106 .offset = 0x00000000,
107 }, {
108 .name = "Params",
109 .size = 0x00040000,
110 .offset = 0x00020000,
111 }, {
112 .name = "Kernel",
113 .size = 0x00100000,
114 .offset = 0x00060000,
115 }, {
116 .name = "Filesystem",
117 .size = CERF_FLASH_SIZE-0x00160000,
118 .offset = 0x00160000,
119 }
120 };
121
122 static struct flash_platform_data cerf_flash_data = {
123 .map_name = "cfi_probe",
124 .parts = cerf_partitions,
125 .nr_parts = ARRAY_SIZE(cerf_partitions),
126 };
127
128 static struct resource cerf_flash_resource =
129 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M);
130
cerf_init_irq(void)131 static void __init cerf_init_irq(void)
132 {
133 sa1100_init_irq();
134 irq_set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING);
135 }
136
137 static struct map_desc cerf_io_desc[] __initdata = {
138 { /* Crystal Ethernet Chip */
139 .virtual = 0xf0000000,
140 .pfn = __phys_to_pfn(0x08000000),
141 .length = 0x00100000,
142 .type = MT_DEVICE
143 }
144 };
145
cerf_map_io(void)146 static void __init cerf_map_io(void)
147 {
148 sa1100_map_io();
149 iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc));
150
151 sa1100_register_uart(0, 3);
152 sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */
153 sa1100_register_uart(2, 1);
154
155 /* set some GPDR bits here while it's safe */
156 GPDR |= CERF_GPIO_CF_RESET;
157 }
158
159 static struct mcp_plat_data cerf_mcp_data = {
160 .mccr0 = MCCR0_ADM,
161 .sclk_rate = 11981000,
162 };
163
cerf_init(void)164 static void __init cerf_init(void)
165 {
166 sa11x0_ppc_configure_mcp();
167 platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
168 sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
169 sa11x0_register_mcp(&cerf_mcp_data);
170 }
171
172 MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")
173 /* Maintainer: support@intrinsyc.com */
174 .map_io = cerf_map_io,
175 .nr_irqs = SA1100_NR_IRQS,
176 .init_irq = cerf_init_irq,
177 .init_time = sa1100_timer_init,
178 .init_machine = cerf_init,
179 .init_late = sa11x0_init_late,
180 .restart = sa11x0_restart,
181 MACHINE_END
182