2 * Support for the IBM redwood5 eval board file
4 * Author: Armin Kuster <akuster@mvista.com>
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
12 #include <linux/init.h>
13 #include <linux/pagemap.h>
14 #include <linux/platform_device.h>
15 #include <linux/ioport.h>
17 #include <asm/machdep.h>
18 #include <asm/ppc4xx_pic.h>
21 * Define external IRQ senses and polarities.
23 unsigned 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 */
32 static struct resource smc91x_resources
[] = {
34 .start
= SMC91111_BASE_ADDR
,
35 .end
= SMC91111_BASE_ADDR
+ SMC91111_REG_SIZE
- 1,
36 .flags
= IORESOURCE_MEM
,
39 .start
= SMC91111_IRQ
,
41 .flags
= IORESOURCE_IRQ
,
45 static struct platform_device smc91x_device
= {
48 .num_resources
= ARRAY_SIZE(smc91x_resources
),
49 .resource
= smc91x_resources
,
52 static struct platform_device
*redwood5_devs
[] __initdata
= {
57 redwood5_platform_add_devices(void)
59 return platform_add_devices(redwood5_devs
, ARRAY_SIZE(redwood5_devs
));
63 redwood5_setup_arch(void)
67 #ifdef CONFIG_DEBUG_BRINGUP
69 printk("machine\t: %s\n", PPC4xx_MACHINE_NAME
);
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]);
79 printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n",
80 bip
->bi_intfreq
, bip
->bi_intfreq
/ 1000000);
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);
89 device_initcall(redwood5_platform_add_devices
);
98 for (i
= 0; i
< 16; i
++) {
101 /* 0x400x0000 -> 0xe00x0000 */
102 p
= 0x40000000 | (i
<< 16);
103 v
= STB04xxx_IO_BASE
| (i
<< 16);
105 io_block_mapping(v
, p
, PAGE_SIZE
,
106 _PAGE_NO_CACHE
| pgprot_val(PAGE_KERNEL
) | _PAGE_GUARDED
);
113 platform_init(unsigned long r3
, unsigned long r4
, unsigned long r5
,
114 unsigned long r6
, unsigned long r7
)
116 ppc4xx_init(r3
, r4
, r5
, r6
, r7
);
118 ppc_md
.setup_arch
= redwood5_setup_arch
;
119 ppc_md
.setup_io_mappings
= redwood5_map_io
;