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[net-next-2.6.git] / arch / ppc / platforms / 4xx / redwood5.c
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1da177e4 1/*
1da177e4
LT
2 * Support for the IBM redwood5 eval board file
3 *
4 * Author: Armin Kuster <akuster@mvista.com>
5 *
6 * 2000-2001 (c) MontaVista, Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11
12#include <linux/config.h>
13#include <linux/init.h>
14#include <linux/pagemap.h>
d052d1be 15#include <linux/platform_device.h>
1da177e4
LT
16#include <linux/ioport.h>
17#include <asm/io.h>
18#include <asm/machdep.h>
886b9fa4
MP
19#include <asm/ppc4xx_pic.h>
20
21/*
22 * Define external IRQ senses and polarities.
23 */
24unsigned char ppc4xx_uic_ext_irq_cfg[] __initdata = {
25 (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext Int 0 */
26 (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext Int 1 */
27 (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext Int 2 */
28 (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext Int 3 */
29 (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext Int 4 */
30 (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext Int 5 */
31};
1da177e4
LT
32
33static struct resource smc91x_resources[] = {
34 [0] = {
35 .start = SMC91111_BASE_ADDR,
36 .end = SMC91111_BASE_ADDR + SMC91111_REG_SIZE - 1,
37 .flags = IORESOURCE_MEM,
38 },
39 [1] = {
40 .start = SMC91111_IRQ,
41 .end = SMC91111_IRQ,
42 .flags = IORESOURCE_IRQ,
43 },
44};
45
46static struct platform_device smc91x_device = {
47 .name = "smc91x",
48 .id = 0,
49 .num_resources = ARRAY_SIZE(smc91x_resources),
50 .resource = smc91x_resources,
51};
52
53static struct platform_device *redwood5_devs[] __initdata = {
54 &smc91x_device,
55};
56
57static int __init
58redwood5_platform_add_devices(void)
59{
60 return platform_add_devices(redwood5_devs, ARRAY_SIZE(redwood5_devs));
61}
62
63void __init
64redwood5_setup_arch(void)
65{
66 ppc4xx_setup_arch();
67
68#ifdef CONFIG_DEBUG_BRINGUP
69 printk("\n");
70 printk("machine\t: %s\n", PPC4xx_MACHINE_NAME);
71 printk("\n");
72 printk("bi_s_version\t %s\n", bip->bi_s_version);
73 printk("bi_r_version\t %s\n", bip->bi_r_version);
74 printk("bi_memsize\t 0x%8.8x\t %dMBytes\n", bip->bi_memsize,bip->bi_memsize/(1024*1000));
75 printk("bi_enetaddr %d\t %2.2x%2.2x%2.2x-%2.2x%2.2x%2.2x\n", 0,
76 bip->bi_enetaddr[0], bip->bi_enetaddr[1],
77 bip->bi_enetaddr[2], bip->bi_enetaddr[3],
78 bip->bi_enetaddr[4], bip->bi_enetaddr[5]);
79
80 printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n",
81 bip->bi_intfreq, bip->bi_intfreq/ 1000000);
82
83 printk("bi_busfreq\t 0x%8.8x\t plb bus clock:\t %dMHz\n",
84 bip->bi_busfreq, bip->bi_busfreq / 1000000 );
85 printk("bi_tbfreq\t 0x%8.8x\t TB freq:\t %dMHz\n",
86 bip->bi_tbfreq, bip->bi_tbfreq/1000000);
87
88 printk("\n");
89#endif
90 device_initcall(redwood5_platform_add_devices);
91}
92
93void __init
94redwood5_map_io(void)
95{
96 int i;
97
98 ppc4xx_map_io();
99 for (i = 0; i < 16; i++) {
100 unsigned long v, p;
101
102 /* 0x400x0000 -> 0xe00x0000 */
103 p = 0x40000000 | (i << 16);
104 v = STB04xxx_IO_BASE | (i << 16);
105
106 io_block_mapping(v, p, PAGE_SIZE,
107 _PAGE_NO_CACHE | pgprot_val(PAGE_KERNEL) | _PAGE_GUARDED);
108 }
109
110
111}
112
113void __init
114platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
115 unsigned long r6, unsigned long r7)
116{
117 ppc4xx_init(r3, r4, r5, r6, r7);
118
119 ppc_md.setup_arch = redwood5_setup_arch;
120 ppc_md.setup_io_mappings = redwood5_map_io;
121}