1 /*
2 * arch/arm/mach-ixp4xx/gateway7001-setup.c
3 *
4 * Board setup for the Gateway 7001 board
5 *
6 * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
7 *
8 * based on coyote-setup.c:
9 * Copyright (C) 2003-2005 MontaVista Software, Inc.
10 *
11 * Author: Imre Kaloz <Kaloz@openwrt.org>
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/device.h>
17 #include <linux/serial.h>
18 #include <linux/tty.h>
19 #include <linux/serial_8250.h>
20
21 #include <asm/types.h>
22 #include <asm/setup.h>
23 #include <asm/memory.h>
24 #include <mach/hardware.h>
25 #include <asm/irq.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/flash.h>
29
30 static struct flash_platform_data gateway7001_flash_data = {
31 .map_name = "cfi_probe",
32 .width = 2,
33 };
34
35 static struct resource gateway7001_flash_resource = {
36 .flags = IORESOURCE_MEM,
37 };
38
39 static struct platform_device gateway7001_flash = {
40 .name = "IXP4XX-Flash",
41 .id = 0,
42 .dev = {
43 .platform_data = &gateway7001_flash_data,
44 },
45 .num_resources = 1,
46 .resource = &gateway7001_flash_resource,
47 };
48
49 static struct resource gateway7001_uart_resource = {
50 .start = IXP4XX_UART2_BASE_PHYS,
51 .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
52 .flags = IORESOURCE_MEM,
53 };
54
55 static struct plat_serial8250_port gateway7001_uart_data[] = {
56 {
57 .mapbase = IXP4XX_UART2_BASE_PHYS,
58 .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
59 .irq = IRQ_IXP4XX_UART2,
60 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
61 .iotype = UPIO_MEM,
62 .regshift = 2,
63 .uartclk = IXP4XX_UART_XTAL,
64 },
65 { },
66 };
67
68 static struct platform_device gateway7001_uart = {
69 .name = "serial8250",
70 .id = PLAT8250_DEV_PLATFORM,
71 .dev = {
72 .platform_data = gateway7001_uart_data,
73 },
74 .num_resources = 1,
75 .resource = &gateway7001_uart_resource,
76 };
77
78 static struct platform_device *gateway7001_devices[] __initdata = {
79 &gateway7001_flash,
80 &gateway7001_uart
81 };
82
gateway7001_init(void)83 static void __init gateway7001_init(void)
84 {
85 ixp4xx_sys_init();
86
87 gateway7001_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
88 gateway7001_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
89
90 *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
91 *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
92
93 platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
94 }
95
96 #ifdef CONFIG_MACH_GATEWAY7001
97 MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
98 /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
99 .map_io = ixp4xx_map_io,
100 .init_early = ixp4xx_init_early,
101 .init_irq = ixp4xx_init_irq,
102 .init_time = ixp4xx_timer_init,
103 .atag_offset = 0x100,
104 .init_machine = gateway7001_init,
105 #if defined(CONFIG_PCI)
106 .dma_zone_size = SZ_64M,
107 #endif
108 .restart = ixp4xx_restart,
109 MACHINE_END
110 #endif
111