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1da177e4 LT |
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 <asm/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 | void __init coyote_map_io(void) | |
28 | { | |
29 | ixp4xx_map_io(); | |
30 | } | |
31 | ||
32 | static struct flash_platform_data coyote_flash_data = { | |
33 | .map_name = "cfi_probe", | |
34 | .width = 2, | |
35 | }; | |
36 | ||
37 | static struct resource coyote_flash_resource = { | |
38 | .start = COYOTE_FLASH_BASE, | |
39 | .end = COYOTE_FLASH_BASE + COYOTE_FLASH_SIZE, | |
40 | .flags = IORESOURCE_MEM, | |
41 | }; | |
42 | ||
43 | static struct platform_device coyote_flash = { | |
44 | .name = "IXP4XX-Flash", | |
45 | .id = 0, | |
46 | .dev = { | |
47 | .platform_data = &coyote_flash_data, | |
48 | }, | |
49 | .num_resources = 1, | |
50 | .resource = &coyote_flash_resource, | |
51 | }; | |
52 | ||
53 | static struct resource coyote_uart_resource = { | |
54 | .start = IXP4XX_UART2_BASE_PHYS, | |
55 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, | |
56 | .flags = IORESOURCE_MEM, | |
57 | }; | |
58 | ||
59 | static struct plat_serial8250_port coyote_uart_data = { | |
60 | .mapbase = IXP4XX_UART2_BASE_PHYS, | |
61 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, | |
62 | .irq = IRQ_IXP4XX_UART2, | |
63 | .flags = UPF_BOOT_AUTOCONF, | |
64 | .iotype = UPIO_MEM, | |
65 | .regshift = 2, | |
66 | .uartclk = IXP4XX_UART_XTAL, | |
67 | }; | |
68 | ||
69 | static struct platform_device coyote_uart = { | |
70 | .name = "serial8250", | |
71 | .id = 0, | |
72 | .dev = { | |
73 | .platform_data = &coyote_uart_data, | |
74 | }, | |
75 | .num_resources = 1, | |
76 | .resource = &coyote_uart_resource, | |
77 | }; | |
78 | ||
79 | static struct platform_device *coyote_devices[] __initdata = { | |
80 | &coyote_flash, | |
81 | &coyote_uart | |
82 | }; | |
83 | ||
84 | static void __init coyote_init(void) | |
85 | { | |
86 | *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE; | |
87 | *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0; | |
88 | ||
89 | if (machine_is_ixdpg425()) { | |
90 | coyote_uart_data.membase = | |
91 | (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET); | |
92 | coyote_uart_data.mapbase = IXP4XX_UART1_BASE_PHYS; | |
93 | coyote_uart_data.irq = IRQ_IXP4XX_UART1; | |
94 | } | |
95 | ||
96 | ||
97 | ixp4xx_sys_init(); | |
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 | BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS, | |
105 | IXP4XX_PERIPHERAL_BASE_VIRT) | |
106 | MAPIO(coyote_map_io) | |
107 | INITIRQ(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 | BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS, | |
122 | IXP4XX_PERIPHERAL_BASE_VIRT) | |
123 | MAPIO(coyote_map_io) | |
124 | INITIRQ(ixp4xx_init_irq) | |
125 | .timer = &ixp4xx_timer, | |
126 | BOOT_PARAMS(0x0100) | |
127 | INIT_MACHINE(coyote_init) | |
128 | MACHINE_END | |
129 | #endif | |
130 |