Merge /spare/repo/linux-2.6/
[linux-2.6] / 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/mcp.h>
22 #include <asm/arch/shannon.h>
23
24 #include "generic.h"
25
26 static struct mtd_partition shannon_partitions[] = {
27         {
28                 .name           = "BLOB boot loader",
29                 .offset         = 0,
30                 .size           = 0x20000
31         },
32         {
33                 .name           = "kernel",
34                 .offset         = MTDPART_OFS_APPEND,
35                 .size           = 0xe0000
36         },
37         { 
38                 .name           = "initrd",
39                 .offset         = MTDPART_OFS_APPEND,   
40                 .size           = MTDPART_SIZ_FULL
41         }
42 };
43
44 static struct flash_platform_data shannon_flash_data = {
45         .map_name       = "cfi_probe",
46         .parts          = shannon_partitions,
47         .nr_parts       = ARRAY_SIZE(shannon_partitions),
48 };
49
50 static struct resource shannon_flash_resource = {
51         .start          = SA1100_CS0_PHYS,
52         .end            = SA1100_CS0_PHYS + SZ_4M - 1,
53         .flags          = IORESOURCE_MEM,
54 };
55
56 static struct mcp_plat_data shannon_mcp_data = {
57         .mccr0          = MCCR0_ADM,
58         .sclk_rate      = 11981000,
59 };
60
61 static void __init shannon_init(void)
62 {
63         sa11x0_set_flash_data(&shannon_flash_data, &shannon_flash_resource, 1);
64         sa11x0_set_mcp_data(&shannon_mcp_data);
65 }
66
67 static void __init shannon_map_io(void)
68 {
69         sa1100_map_io();
70
71         sa1100_register_uart(0, 3);
72         sa1100_register_uart(1, 1);
73
74         Ser1SDCR0 |= SDCR0_SUS;
75         GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
76         GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
77         GPDR &= ~GPIO_UART_RXD;
78         PPAR |= PPAR_UPR;
79
80         /* reset the codec */
81         GPCR = SHANNON_GPIO_CODEC_RESET;
82         GPSR = SHANNON_GPIO_CODEC_RESET;
83 }
84
85 MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
86         .phys_ram       = 0xc0000000,
87         .phys_io        = 0x80000000,
88         .io_pg_offst    = ((0xf8000000) >> 18) & 0xfffc,
89         .boot_params    = 0xc0000100,
90         .map_io         = shannon_map_io,
91         .init_irq       = sa1100_init_irq,
92         .timer          = &sa1100_timer,
93         .init_machine   = shannon_init,
94 MACHINE_END