1/*
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/init.h>
13#include <linux/pagemap.h>
14#include <linux/platform_device.h>
15#include <linux/ioport.h>
16#include <asm/io.h>
17#include <asm/machdep.h>
18#include <asm/ppc4xx_pic.h>
19
20/*
21 * Define external IRQ senses and polarities.
22 */
23unsigned char ppc4xx_uic_ext_irq_cfg[] __initdata = {
24	(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),	/* Ext Int 0 */
25	(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),	/* Ext Int 1 */
26	(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),	/* Ext Int 2 */
27	(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),	/* Ext Int 3 */
28	(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),	/* Ext Int 4 */
29	(IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE),	/* Ext Int 5 */
30};
31
32static struct resource smc91x_resources[] = {
33	[0] = {
34		.start	= SMC91111_BASE_ADDR,
35		.end	= SMC91111_BASE_ADDR + SMC91111_REG_SIZE - 1,
36		.flags	= IORESOURCE_MEM,
37	},
38	[1] = {
39		.start	= SMC91111_IRQ,
40		.end	= SMC91111_IRQ,
41		.flags	= IORESOURCE_IRQ,
42	},
43};
44
45static struct platform_device smc91x_device = {
46	.name		= "smc91x",
47	.id		= 0,
48	.num_resources	= ARRAY_SIZE(smc91x_resources),
49	.resource	= smc91x_resources,
50};
51
52static struct platform_device *redwood5_devs[] __initdata = {
53	&smc91x_device,
54};
55
56static int __init
57redwood5_platform_add_devices(void)
58{
59	return platform_add_devices(redwood5_devs, ARRAY_SIZE(redwood5_devs));
60}
61
62void __init
63redwood5_setup_arch(void)
64{
65	ppc4xx_setup_arch();
66
67#ifdef CONFIG_DEBUG_BRINGUP
68	printk("\n");
69	printk("machine\t: %s\n", PPC4xx_MACHINE_NAME);
70	printk("\n");
71	printk("bi_s_version\t %s\n",      bip->bi_s_version);
72	printk("bi_r_version\t %s\n",      bip->bi_r_version);
73	printk("bi_memsize\t 0x%8.8x\t %dMBytes\n", bip->bi_memsize,bip->bi_memsize/(1024*1000));
74	printk("bi_enetaddr %d\t %2.2x%2.2x%2.2x-%2.2x%2.2x%2.2x\n", 0,
75	bip->bi_enetaddr[0], bip->bi_enetaddr[1],
76	bip->bi_enetaddr[2], bip->bi_enetaddr[3],
77	bip->bi_enetaddr[4], bip->bi_enetaddr[5]);
78
79	printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n",
80	       bip->bi_intfreq, bip->bi_intfreq/ 1000000);
81
82	printk("bi_busfreq\t 0x%8.8x\t plb bus clock:\t %dMHz\n",
83		bip->bi_busfreq, bip->bi_busfreq / 1000000 );
84	printk("bi_tbfreq\t 0x%8.8x\t TB freq:\t %dMHz\n",
85	       bip->bi_tbfreq, bip->bi_tbfreq/1000000);
86
87	printk("\n");
88#endif
89	device_initcall(redwood5_platform_add_devices);
90}
91
92void __init
93redwood5_map_io(void)
94{
95	int i;
96
97	ppc4xx_map_io();
98	for (i = 0; i < 16; i++) {
99	 unsigned long v, p;
100
101	/* 0x400x0000 -> 0xe00x0000 */
102	p = 0x40000000 | (i << 16);
103	v = STB04xxx_IO_BASE | (i << 16);
104
105	io_block_mapping(v, p, PAGE_SIZE,
106		 _PAGE_NO_CACHE | pgprot_val(PAGE_KERNEL) | _PAGE_GUARDED);
107	}
108
109
110}
111
112void __init
113platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
114	      unsigned long r6, unsigned long r7)
115{
116	ppc4xx_init(r3, r4, r5, r6, r7);
117
118	ppc_md.setup_arch = redwood5_setup_arch;
119	ppc_md.setup_io_mappings = redwood5_map_io;
120}
121