Merge branch 'master'
[linux-2.6] / 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/platform_device.h>
18 #include <linux/ioport.h>
19 #include <asm/io.h>
20 #include <asm/machdep.h>
21 #include <asm/ppc4xx_pic.h>
22
23 /*
24  * Define external IRQ senses and polarities.
25  */
26 unsigned char ppc4xx_uic_ext_irq_cfg[] __initdata = {
27         (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 0 */
28         (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 1 */
29         (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 2 */
30         (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 3 */
31         (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 4 */
32         (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),      /* Ext Int 5 */
33 };
34
35 static struct resource smc91x_resources[] = {
36         [0] = {
37                 .start  = SMC91111_BASE_ADDR,
38                 .end    = SMC91111_BASE_ADDR + SMC91111_REG_SIZE - 1,
39                 .flags  = IORESOURCE_MEM,
40         },
41         [1] = {
42                 .start  = SMC91111_IRQ,
43                 .end    = SMC91111_IRQ,
44                 .flags  = IORESOURCE_IRQ,
45         },
46 };
47
48 static struct platform_device smc91x_device = {
49         .name           = "smc91x",
50         .id             = 0,
51         .num_resources  = ARRAY_SIZE(smc91x_resources),
52         .resource       = smc91x_resources,
53 };
54
55 static struct platform_device *redwood5_devs[] __initdata = {
56         &smc91x_device,
57 };
58
59 static int __init
60 redwood5_platform_add_devices(void)
61 {
62         return platform_add_devices(redwood5_devs, ARRAY_SIZE(redwood5_devs));
63 }
64
65 void __init
66 redwood5_setup_arch(void)
67 {
68         ppc4xx_setup_arch();
69
70 #ifdef CONFIG_DEBUG_BRINGUP
71         printk("\n");
72         printk("machine\t: %s\n", PPC4xx_MACHINE_NAME);
73         printk("\n");
74         printk("bi_s_version\t %s\n",      bip->bi_s_version);
75         printk("bi_r_version\t %s\n",      bip->bi_r_version);
76         printk("bi_memsize\t 0x%8.8x\t %dMBytes\n", bip->bi_memsize,bip->bi_memsize/(1024*1000));
77         printk("bi_enetaddr %d\t %2.2x%2.2x%2.2x-%2.2x%2.2x%2.2x\n", 0,
78         bip->bi_enetaddr[0], bip->bi_enetaddr[1],
79         bip->bi_enetaddr[2], bip->bi_enetaddr[3],
80         bip->bi_enetaddr[4], bip->bi_enetaddr[5]);
81
82         printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n",
83                bip->bi_intfreq, bip->bi_intfreq/ 1000000);
84
85         printk("bi_busfreq\t 0x%8.8x\t plb bus clock:\t %dMHz\n",
86                 bip->bi_busfreq, bip->bi_busfreq / 1000000 );
87         printk("bi_tbfreq\t 0x%8.8x\t TB freq:\t %dMHz\n",
88                bip->bi_tbfreq, bip->bi_tbfreq/1000000);
89
90         printk("\n");
91 #endif
92         device_initcall(redwood5_platform_add_devices);
93 }
94
95 void __init
96 redwood5_map_io(void)
97 {
98         int i;
99
100         ppc4xx_map_io();
101         for (i = 0; i < 16; i++) {
102          unsigned long v, p;
103
104         /* 0x400x0000 -> 0xe00x0000 */
105         p = 0x40000000 | (i << 16);
106         v = STB04xxx_IO_BASE | (i << 16);
107
108         io_block_mapping(v, p, PAGE_SIZE,
109                  _PAGE_NO_CACHE | pgprot_val(PAGE_KERNEL) | _PAGE_GUARDED);
110         }
111
112
113 }
114
115 void __init
116 platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
117               unsigned long r6, unsigned long r7)
118 {
119         ppc4xx_init(r3, r4, r5, r6, r7);
120
121         ppc_md.setup_arch = redwood5_setup_arch;
122         ppc_md.setup_io_mappings = redwood5_map_io;
123 }