Linux-2.6.12-rc2
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / ppc / platforms / 4xx / redwood5.c
1 /*
2 * arch/ppc/platforms/4xx/redwood5.c
3 *
4 * Support for the IBM redwood5 eval board file
5 *
6 * Author: Armin Kuster <akuster@mvista.com>
7 *
8 * 2000-2001 (c) MontaVista, Software, Inc. This file is licensed under
9 * the terms of the GNU General Public License version 2. This program
10 * is licensed "as is" without any warranty of any kind, whether express
11 * or implied.
12 */
13
14 #include <linux/config.h>
15 #include <linux/init.h>
16 #include <linux/pagemap.h>
17 #include <linux/device.h>
18 #include <linux/ioport.h>
19 #include <asm/io.h>
20 #include <asm/machdep.h>
21
22 static struct resource smc91x_resources[] = {
23 [0] = {
24 .start = SMC91111_BASE_ADDR,
25 .end = SMC91111_BASE_ADDR + SMC91111_REG_SIZE - 1,
26 .flags = IORESOURCE_MEM,
27 },
28 [1] = {
29 .start = SMC91111_IRQ,
30 .end = SMC91111_IRQ,
31 .flags = IORESOURCE_IRQ,
32 },
33 };
34
35 static struct platform_device smc91x_device = {
36 .name = "smc91x",
37 .id = 0,
38 .num_resources = ARRAY_SIZE(smc91x_resources),
39 .resource = smc91x_resources,
40 };
41
42 static struct platform_device *redwood5_devs[] __initdata = {
43 &smc91x_device,
44 };
45
46 static int __init
47 redwood5_platform_add_devices(void)
48 {
49 return platform_add_devices(redwood5_devs, ARRAY_SIZE(redwood5_devs));
50 }
51
52 void __init
53 redwood5_setup_arch(void)
54 {
55 ppc4xx_setup_arch();
56
57 #ifdef CONFIG_DEBUG_BRINGUP
58 printk("\n");
59 printk("machine\t: %s\n", PPC4xx_MACHINE_NAME);
60 printk("\n");
61 printk("bi_s_version\t %s\n", bip->bi_s_version);
62 printk("bi_r_version\t %s\n", bip->bi_r_version);
63 printk("bi_memsize\t 0x%8.8x\t %dMBytes\n", bip->bi_memsize,bip->bi_memsize/(1024*1000));
64 printk("bi_enetaddr %d\t %2.2x%2.2x%2.2x-%2.2x%2.2x%2.2x\n", 0,
65 bip->bi_enetaddr[0], bip->bi_enetaddr[1],
66 bip->bi_enetaddr[2], bip->bi_enetaddr[3],
67 bip->bi_enetaddr[4], bip->bi_enetaddr[5]);
68
69 printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n",
70 bip->bi_intfreq, bip->bi_intfreq/ 1000000);
71
72 printk("bi_busfreq\t 0x%8.8x\t plb bus clock:\t %dMHz\n",
73 bip->bi_busfreq, bip->bi_busfreq / 1000000 );
74 printk("bi_tbfreq\t 0x%8.8x\t TB freq:\t %dMHz\n",
75 bip->bi_tbfreq, bip->bi_tbfreq/1000000);
76
77 printk("\n");
78 #endif
79 device_initcall(redwood5_platform_add_devices);
80 }
81
82 void __init
83 redwood5_map_io(void)
84 {
85 int i;
86
87 ppc4xx_map_io();
88 for (i = 0; i < 16; i++) {
89 unsigned long v, p;
90
91 /* 0x400x0000 -> 0xe00x0000 */
92 p = 0x40000000 | (i << 16);
93 v = STB04xxx_IO_BASE | (i << 16);
94
95 io_block_mapping(v, p, PAGE_SIZE,
96 _PAGE_NO_CACHE | pgprot_val(PAGE_KERNEL) | _PAGE_GUARDED);
97 }
98
99
100 }
101
102 void __init
103 platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
104 unsigned long r6, unsigned long r7)
105 {
106 ppc4xx_init(r3, r4, r5, r6, r7);
107
108 ppc_md.setup_arch = redwood5_setup_arch;
109 ppc_md.setup_io_mappings = redwood5_map_io;
110 }