Linux-2.6.12-rc2
[linux-2.6.git] / arch / arm / mach-sa1100 / shannon.c
1 /*
2  * linux/arch/arm/mach-sa1100/shannon.c
3  */
4
5 #include <linux/config.h>
6 #include <linux/init.h>
7 #include <linux/device.h>
8 #include <linux/kernel.h>
9 #include <linux/tty.h>
10 #include <linux/mtd/mtd.h>
11 #include <linux/mtd/partitions.h>
12
13 #include <asm/hardware.h>
14 #include <asm/mach-types.h>
15 #include <asm/setup.h>
16
17 #include <asm/mach/arch.h>
18 #include <asm/mach/flash.h>
19 #include <asm/mach/map.h>
20 #include <asm/mach/serial_sa1100.h>
21 #include <asm/arch/shannon.h>
22
23 #include "generic.h"
24
25 static struct mtd_partition shannon_partitions[] = {
26         {
27                 .name           = "BLOB boot loader",
28                 .offset         = 0,
29                 .size           = 0x20000
30         },
31         {
32                 .name           = "kernel",
33                 .offset         = MTDPART_OFS_APPEND,
34                 .size           = 0xe0000
35         },
36         { 
37                 .name           = "initrd",
38                 .offset         = MTDPART_OFS_APPEND,   
39                 .size           = MTDPART_SIZ_FULL
40         }
41 };
42
43 static struct flash_platform_data shannon_flash_data = {
44         .map_name       = "cfi_probe",
45         .parts          = shannon_partitions,
46         .nr_parts       = ARRAY_SIZE(shannon_partitions),
47 };
48
49 static struct resource shannon_flash_resource = {
50         .start          = SA1100_CS0_PHYS,
51         .end            = SA1100_CS0_PHYS + SZ_4M - 1,
52         .flags          = IORESOURCE_MEM,
53 };
54
55 static void __init shannon_init(void)
56 {
57         sa11x0_set_flash_data(&shannon_flash_data, &shannon_flash_resource, 1);
58 }
59
60 static void __init shannon_map_io(void)
61 {
62         sa1100_map_io();
63
64         sa1100_register_uart(0, 3);
65         sa1100_register_uart(1, 1);
66
67         Ser1SDCR0 |= SDCR0_SUS;
68         GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
69         GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
70         GPDR &= ~GPIO_UART_RXD;
71         PPAR |= PPAR_UPR;
72
73         /* reset the codec */
74         GPCR = SHANNON_GPIO_CODEC_RESET;
75         GPSR = SHANNON_GPIO_CODEC_RESET;
76 }
77
78 MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
79         BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
80         BOOT_PARAMS(0xc0000100)
81         MAPIO(shannon_map_io)
82         INITIRQ(sa1100_init_irq)
83         .timer          = &sa1100_timer,
84         .init_machine   = shannon_init,
85 MACHINE_END