• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  *  linux/arch/arm/mach-clps711x/cdb89712.c
3  *
4  *  Copyright (C) 2000-2001 Deep Blue Solutions Ltd
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/types.h>
23 #include <linux/string.h>
24 #include <linux/mm.h>
25 #include <linux/io.h>
26 #include <linux/interrupt.h>
27 #include <linux/platform_device.h>
28 
29 #include <linux/mtd/physmap.h>
30 #include <linux/mtd/plat-ram.h>
31 #include <linux/mtd/partitions.h>
32 
33 #include <mach/hardware.h>
34 #include <asm/pgtable.h>
35 #include <asm/page.h>
36 #include <asm/setup.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 
41 #include "common.h"
42 #include "devices.h"
43 
44 #define CDB89712_CS8900_BASE	(CS2_PHYS_BASE + 0x300)
45 #define CDB89712_CS8900_IRQ	(IRQ_EINT3)
46 
47 static struct resource cdb89712_cs8900_resource[] __initdata = {
48 	DEFINE_RES_MEM(CDB89712_CS8900_BASE, SZ_1K),
49 	DEFINE_RES_IRQ(CDB89712_CS8900_IRQ),
50 };
51 
52 static struct mtd_partition cdb89712_flash_partitions[] __initdata = {
53 	{
54 		.name	= "Flash",
55 		.offset	= 0,
56 		.size	= MTDPART_SIZ_FULL,
57 	},
58 };
59 
60 static struct physmap_flash_data cdb89712_flash_pdata __initdata = {
61 	.width		= 4,
62 	.probe_type	= "map_rom",
63 	.parts		= cdb89712_flash_partitions,
64 	.nr_parts	= ARRAY_SIZE(cdb89712_flash_partitions),
65 };
66 
67 static struct resource cdb89712_flash_resources[] __initdata = {
68 	DEFINE_RES_MEM(CS0_PHYS_BASE, SZ_8M),
69 };
70 
71 static struct platform_device cdb89712_flash_pdev __initdata = {
72 	.name		= "physmap-flash",
73 	.id		= 0,
74 	.resource	= cdb89712_flash_resources,
75 	.num_resources	= ARRAY_SIZE(cdb89712_flash_resources),
76 	.dev	= {
77 		.platform_data	= &cdb89712_flash_pdata,
78 	},
79 };
80 
81 static struct mtd_partition cdb89712_bootrom_partitions[] __initdata = {
82 	{
83 		.name	= "BootROM",
84 		.offset	= 0,
85 		.size	= MTDPART_SIZ_FULL,
86 	},
87 };
88 
89 static struct physmap_flash_data cdb89712_bootrom_pdata __initdata = {
90 	.width		= 4,
91 	.probe_type	= "map_rom",
92 	.parts		= cdb89712_bootrom_partitions,
93 	.nr_parts	= ARRAY_SIZE(cdb89712_bootrom_partitions),
94 };
95 
96 static struct resource cdb89712_bootrom_resources[] __initdata = {
97 	DEFINE_RES_NAMED(CS7_PHYS_BASE, SZ_128, "BOOTROM", IORESOURCE_MEM |
98 			 IORESOURCE_CACHEABLE | IORESOURCE_READONLY),
99 };
100 
101 static struct platform_device cdb89712_bootrom_pdev __initdata = {
102 	.name		= "physmap-flash",
103 	.id		= 1,
104 	.resource	= cdb89712_bootrom_resources,
105 	.num_resources	= ARRAY_SIZE(cdb89712_bootrom_resources),
106 	.dev	= {
107 		.platform_data	= &cdb89712_bootrom_pdata,
108 	},
109 };
110 
111 static struct platdata_mtd_ram cdb89712_sram_pdata __initdata = {
112 	.bankwidth	= 4,
113 };
114 
115 static struct resource cdb89712_sram_resources[] __initdata = {
116 	DEFINE_RES_MEM(CLPS711X_SRAM_BASE, CLPS711X_SRAM_SIZE),
117 };
118 
119 static struct platform_device cdb89712_sram_pdev __initdata = {
120 	.name		= "mtd-ram",
121 	.id		= 0,
122 	.resource	= cdb89712_sram_resources,
123 	.num_resources	= ARRAY_SIZE(cdb89712_sram_resources),
124 	.dev	= {
125 		.platform_data	= &cdb89712_sram_pdata,
126 	},
127 };
128 
cdb89712_init(void)129 static void __init cdb89712_init(void)
130 {
131 	clps711x_devices_init();
132 	platform_device_register(&cdb89712_flash_pdev);
133 	platform_device_register(&cdb89712_bootrom_pdev);
134 	platform_device_register(&cdb89712_sram_pdev);
135 	platform_device_register_simple("cs89x0", 0, cdb89712_cs8900_resource,
136 					ARRAY_SIZE(cdb89712_cs8900_resource));
137 }
138 
139 MACHINE_START(CDB89712, "Cirrus-CDB89712")
140 	/* Maintainer: Ray Lehtiniemi */
141 	.atag_offset	= 0x100,
142 	.map_io		= clps711x_map_io,
143 	.init_irq	= clps711x_init_irq,
144 	.init_time	= clps711x_timer_init,
145 	.init_machine	= cdb89712_init,
146 	.restart	= clps711x_restart,
147 MACHINE_END
148