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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 | |
18 | #include <asm/types.h> |
19 | #include <asm/setup.h> |
20 | #include <asm/memory.h> |
21 | #include <mach/hardware.h> |
22 | #include <asm/irq.h> |
23 | #include <asm/mach-types.h> |
24 | #include <asm/mach/arch.h> |
25 | #include <asm/mach/flash.h> |
26 | |
27 | #define COYOTE_IDE_BASE_PHYS IXP4XX_EXP_BUS_BASE(3) |
28 | #define COYOTE_IDE_BASE_VIRT 0xFFFE1000 |
29 | #define COYOTE_IDE_REGION_SIZE 0x1000 |
30 | |
31 | #define COYOTE_IDE_DATA_PORT 0xFFFE10E0 |
32 | #define COYOTE_IDE_CTRL_PORT 0xFFFE10FC |
33 | #define COYOTE_IDE_ERROR_PORT 0xFFFE10E2 |
34 | #define IRQ_COYOTE_IDE IRQ_IXP4XX_GPIO5 |
35 | |
36 | static struct flash_platform_data coyote_flash_data = { |
37 | .map_name = "cfi_probe", |
38 | .width = 2, |
39 | }; |
40 | |
41 | static struct resource coyote_flash_resource = { |
42 | .flags = IORESOURCE_MEM, |
43 | }; |
44 | |
45 | static struct platform_device coyote_flash = { |
46 | .name = "IXP4XX-Flash", |
47 | .id = 0, |
48 | .dev = { |
49 | .platform_data = &coyote_flash_data, |
50 | }, |
51 | .num_resources = 1, |
52 | .resource = &coyote_flash_resource, |
53 | }; |
54 | |
55 | static struct resource coyote_uart_resource = { |
56 | .start = IXP4XX_UART2_BASE_PHYS, |
57 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, |
58 | .flags = IORESOURCE_MEM, |
59 | }; |
60 | |
61 | static struct plat_serial8250_port coyote_uart_data[] = { |
62 | { |
63 | .mapbase = IXP4XX_UART2_BASE_PHYS, |
64 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, |
65 | .irq = IRQ_IXP4XX_UART2, |
66 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, |
67 | .iotype = UPIO_MEM, |
68 | .regshift = 2, |
69 | .uartclk = IXP4XX_UART_XTAL, |
70 | }, |
71 | { }, |
72 | }; |
73 | |
74 | static struct platform_device coyote_uart = { |
75 | .name = "serial8250", |
76 | .id = PLAT8250_DEV_PLATFORM, |
77 | .dev = { |
78 | .platform_data = coyote_uart_data, |
79 | }, |
80 | .num_resources = 1, |
81 | .resource = &coyote_uart_resource, |
82 | }; |
83 | |
84 | static struct platform_device *coyote_devices[] __initdata = { |
85 | &coyote_flash, |
86 | &coyote_uart |
87 | }; |
88 | |
89 | static void __init coyote_init(void) |
90 | { |
91 | ixp4xx_sys_init(); |
92 | |
93 | coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); |
94 | coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1; |
95 | |
96 | *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE; |
97 | *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0; |
98 | |
99 | if (machine_is_ixdpg425()) { |
100 | coyote_uart_data[0].membase = |
101 | (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET); |
102 | coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS; |
103 | coyote_uart_data[0].irq = IRQ_IXP4XX_UART1; |
104 | } |
105 | |
106 | platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices)); |
107 | } |
108 | |
109 | #ifdef CONFIG_ARCH_ADI_COYOTE |
110 | MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote") |
111 | /* Maintainer: MontaVista Software, Inc. */ |
112 | .map_io = ixp4xx_map_io, |
113 | .init_irq = ixp4xx_init_irq, |
114 | .timer = &ixp4xx_timer, |
115 | .boot_params = 0x0100, |
116 | .init_machine = coyote_init, |
117 | MACHINE_END |
118 | #endif |
119 | |
120 | /* |
121 | * IXDPG425 is identical to Coyote except for which serial port |
122 | * is connected. |
123 | */ |
124 | #ifdef CONFIG_MACH_IXDPG425 |
125 | MACHINE_START(IXDPG425, "Intel IXDPG425") |
126 | /* Maintainer: MontaVista Software, Inc. */ |
127 | .map_io = ixp4xx_map_io, |
128 | .init_irq = ixp4xx_init_irq, |
129 | .timer = &ixp4xx_timer, |
130 | .boot_params = 0x0100, |
131 | .init_machine = coyote_init, |
132 | MACHINE_END |
133 | #endif |
134 | |
135 |
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