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 <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 <asm/arch/mcp.h>
33#include "generic.h"
34
35static struct resource cerfuart2_resources[] = {
36	[0] = {
37		.start	= 0x80030000,
38		.end	= 0x8003ffff,
39		.flags	= IORESOURCE_MEM,
40	},
41};
42
43static 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
50static 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
64static 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
84static 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
90static struct resource cerf_flash_resource = {
91	.start		= SA1100_CS0_PHYS,
92	.end		= SA1100_CS0_PHYS + SZ_32M - 1,
93	.flags		= IORESOURCE_MEM,
94};
95
96static void __init cerf_init_irq(void)
97{
98	sa1100_init_irq();
99	set_irq_type(CERF_ETH_IRQ, IRQT_RISING);
100}
101
102static 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
111static 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
124static struct mcp_plat_data cerf_mcp_data = {
125	.mccr0		= MCCR0_ADM,
126	.sclk_rate	= 11981000,
127};
128
129static void __init cerf_init(void)
130{
131	platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
132	sa11x0_set_flash_data(&cerf_flash_data, &cerf_flash_resource, 1);
133	sa11x0_set_mcp_data(&cerf_mcp_data);
134}
135
136MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")
137	/* Maintainer: support@intrinsyc.com */
138	.phys_io	= 0x80000000,
139	.io_pg_offst	= ((0xf8000000) >> 18) & 0xfffc,
140	.map_io		= cerf_map_io,
141	.init_irq	= cerf_init_irq,
142	.timer		= &sa1100_timer,
143	.init_machine	= cerf_init,
144MACHINE_END
145