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 <mach/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
coyote_init(void)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
131