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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 | ||
1da177e4 LT |
27 | static struct flash_platform_data coyote_flash_data = { |
28 | .map_name = "cfi_probe", | |
29 | .width = 2, | |
30 | }; | |
31 | ||
32 | static struct resource coyote_flash_resource = { | |
33 | .start = COYOTE_FLASH_BASE, | |
1c9cf6f9 | 34 | .end = COYOTE_FLASH_BASE + COYOTE_FLASH_SIZE - 1, |
1da177e4 LT |
35 | .flags = IORESOURCE_MEM, |
36 | }; | |
37 | ||
38 | static struct platform_device coyote_flash = { | |
39 | .name = "IXP4XX-Flash", | |
40 | .id = 0, | |
41 | .dev = { | |
42 | .platform_data = &coyote_flash_data, | |
43 | }, | |
44 | .num_resources = 1, | |
45 | .resource = &coyote_flash_resource, | |
46 | }; | |
47 | ||
48 | static struct resource coyote_uart_resource = { | |
49 | .start = IXP4XX_UART2_BASE_PHYS, | |
50 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, | |
51 | .flags = IORESOURCE_MEM, | |
52 | }; | |
53 | ||
bcaafbe4 SS |
54 | static struct plat_serial8250_port coyote_uart_data[] = { |
55 | { | |
56 | .mapbase = IXP4XX_UART2_BASE_PHYS, | |
57 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, | |
58 | .irq = IRQ_IXP4XX_UART2, | |
8c741ed7 | 59 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, |
bcaafbe4 SS |
60 | .iotype = UPIO_MEM, |
61 | .regshift = 2, | |
62 | .uartclk = IXP4XX_UART_XTAL, | |
63 | }, | |
64 | { }, | |
1da177e4 LT |
65 | }; |
66 | ||
67 | static struct platform_device coyote_uart = { | |
68 | .name = "serial8250", | |
6df29deb | 69 | .id = PLAT8250_DEV_PLATFORM, |
1da177e4 | 70 | .dev = { |
bcaafbe4 | 71 | .platform_data = coyote_uart_data, |
1da177e4 LT |
72 | }, |
73 | .num_resources = 1, | |
74 | .resource = &coyote_uart_resource, | |
75 | }; | |
76 | ||
77 | static struct platform_device *coyote_devices[] __initdata = { | |
78 | &coyote_flash, | |
79 | &coyote_uart | |
80 | }; | |
81 | ||
82 | static void __init coyote_init(void) | |
83 | { | |
84 | *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE; | |
85 | *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0; | |
86 | ||
87 | if (machine_is_ixdpg425()) { | |
bcaafbe4 | 88 | coyote_uart_data[0].membase = |
1da177e4 | 89 | (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET); |
bcaafbe4 SS |
90 | coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS; |
91 | coyote_uart_data[0].irq = IRQ_IXP4XX_UART1; | |
1da177e4 LT |
92 | } |
93 | ||
94 | ||
95 | ixp4xx_sys_init(); | |
96 | platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices)); | |
97 | } | |
98 | ||
99 | #ifdef CONFIG_ARCH_ADI_COYOTE | |
100 | MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote") | |
e9dea0c6 RK |
101 | /* Maintainer: MontaVista Software, Inc. */ |
102 | .phys_ram = PHYS_OFFSET, | |
103 | .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, | |
104 | .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, | |
e605ecd7 | 105 | .map_io = ixp4xx_map_io, |
e9dea0c6 | 106 | .init_irq = ixp4xx_init_irq, |
1da177e4 | 107 | .timer = &ixp4xx_timer, |
e9dea0c6 RK |
108 | .boot_params = 0x0100, |
109 | .init_machine = coyote_init, | |
1da177e4 LT |
110 | MACHINE_END |
111 | #endif | |
112 | ||
113 | /* | |
114 | * IXDPG425 is identical to Coyote except for which serial port | |
115 | * is connected. | |
116 | */ | |
117 | #ifdef CONFIG_MACH_IXDPG425 | |
118 | MACHINE_START(IXDPG425, "Intel IXDPG425") | |
e9dea0c6 RK |
119 | /* Maintainer: MontaVista Software, Inc. */ |
120 | .phys_ram = PHYS_OFFSET, | |
121 | .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, | |
122 | .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, | |
e605ecd7 | 123 | .map_io = ixp4xx_map_io, |
e9dea0c6 | 124 | .init_irq = ixp4xx_init_irq, |
1da177e4 | 125 | .timer = &ixp4xx_timer, |
e9dea0c6 RK |
126 | .boot_params = 0x0100, |
127 | .init_machine = coyote_init, | |
1da177e4 LT |
128 | MACHINE_END |
129 | #endif | |
130 |