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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 | */ | |
24 | unsigned 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 | |
33 | static 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 | ||
46 | static struct platform_device smc91x_device = { | |
47 | .name = "smc91x", | |
48 | .id = 0, | |
49 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
50 | .resource = smc91x_resources, | |
51 | }; | |
52 | ||
53 | static struct platform_device *redwood5_devs[] __initdata = { | |
54 | &smc91x_device, | |
55 | }; | |
56 | ||
57 | static int __init | |
58 | redwood5_platform_add_devices(void) | |
59 | { | |
60 | return platform_add_devices(redwood5_devs, ARRAY_SIZE(redwood5_devs)); | |
61 | } | |
62 | ||
63 | void __init | |
64 | redwood5_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 | ||
93 | void __init | |
94 | redwood5_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 | ||
113 | void __init | |
114 | platform_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 | } |