Merge branch 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
[linux-2.6] / arch / arm / mach-ixp4xx / coyote-setup.c
1 /*
2  * arch/arm/mach-ixp4xx/coyote-setup.c
3  *
4  * Board setup for ADI Engineering and IXDGP425 boards
5  *
6  * Copyright (C) 2003-2005 MontaVista Software, Inc.
7  *
8  * Author: Deepak Saxena <dsaxena@plexity.net>
9  */
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/device.h>
14 #include <linux/serial.h>
15 #include <linux/tty.h>
16 #include <linux/serial_8250.h>
17 #include <linux/slab.h>
18
19 #include <asm/types.h>
20 #include <asm/setup.h>
21 #include <asm/memory.h>
22 #include <asm/hardware.h>
23 #include <asm/irq.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/flash.h>
27
28 static struct flash_platform_data coyote_flash_data = {
29         .map_name       = "cfi_probe",
30         .width          = 2,
31 };
32
33 static struct resource coyote_flash_resource = {
34         .flags          = IORESOURCE_MEM,
35 };
36
37 static struct platform_device coyote_flash = {
38         .name           = "IXP4XX-Flash",
39         .id             = 0,
40         .dev            = {
41                 .platform_data = &coyote_flash_data,
42         },
43         .num_resources  = 1,
44         .resource       = &coyote_flash_resource,
45 };
46
47 static struct resource coyote_uart_resource = {
48         .start  = IXP4XX_UART2_BASE_PHYS,
49         .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
50         .flags  = IORESOURCE_MEM,
51 };
52
53 static struct plat_serial8250_port coyote_uart_data[] = {
54         {
55                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
56                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
57                 .irq            = IRQ_IXP4XX_UART2,
58                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
59                 .iotype         = UPIO_MEM,
60                 .regshift       = 2,
61                 .uartclk        = IXP4XX_UART_XTAL,
62         },
63         { },
64 };
65
66 static struct platform_device coyote_uart = {
67         .name           = "serial8250",
68         .id             = PLAT8250_DEV_PLATFORM,
69         .dev                    = {
70                 .platform_data  = coyote_uart_data,
71         },
72         .num_resources  = 1,
73         .resource       = &coyote_uart_resource,
74 };
75
76 static struct platform_device *coyote_devices[] __initdata = {
77         &coyote_flash,
78         &coyote_uart
79 };
80
81 static void __init coyote_init(void)
82 {
83         ixp4xx_sys_init();
84
85         coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
86         coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
87
88         *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
89         *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
90
91         if (machine_is_ixdpg425()) {
92                 coyote_uart_data[0].membase =
93                         (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
94                 coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
95                 coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
96         }
97
98         platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
99 }
100
101 #ifdef CONFIG_ARCH_ADI_COYOTE
102 MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
103         /* Maintainer: MontaVista Software, Inc. */
104         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
105         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
106         .map_io         = ixp4xx_map_io,
107         .init_irq       = ixp4xx_init_irq,
108         .timer          = &ixp4xx_timer,
109         .boot_params    = 0x0100,
110         .init_machine   = coyote_init,
111 MACHINE_END
112 #endif
113
114 /*
115  * IXDPG425 is identical to Coyote except for which serial port
116  * is connected.
117  */
118 #ifdef CONFIG_MACH_IXDPG425
119 MACHINE_START(IXDPG425, "Intel IXDPG425")
120         /* Maintainer: MontaVista Software, Inc. */
121         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
122         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
123         .map_io         = ixp4xx_map_io,
124         .init_irq       = ixp4xx_init_irq,
125         .timer          = &ixp4xx_timer,
126         .boot_params    = 0x0100,
127         .init_machine   = coyote_init,
128 MACHINE_END
129 #endif
130