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
37static struct resource cerfuart2_resources[] = {
38	[0] = DEFINE_RES_MEM(0x80030000, SZ_64K),
39};
40
41static 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 */
49struct 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
73static struct gpio_led_platform_data cerf_gpio_led_info = {
74	.leds		= cerf_gpio_leds,
75	.num_leds	= ARRAY_SIZE(cerf_gpio_leds),
76};
77
78static 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
87static 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
102static 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
122static 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
128static struct resource cerf_flash_resource =
129	DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M);
130
131static 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
137static 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
146static 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
159static struct mcp_plat_data cerf_mcp_data = {
160	.mccr0		= MCCR0_ADM,
161	.sclk_rate	= 11981000,
162};
163
164static 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
172MACHINE_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,
181MACHINE_END
182