1/*
2 * arch/arm/mach-ixp4xx/wg302-setup.c
3 *
4 * Board setup for the Netgear WG302 v2 and WAG302 v2
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
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/device.h>
18#include <linux/serial.h>
19#include <linux/tty.h>
20#include <linux/serial_8250.h>
21
22#include <asm/types.h>
23#include <asm/setup.h>
24#include <asm/memory.h>
25#include <mach/hardware.h>
26#include <asm/irq.h>
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/flash.h>
30
31static struct flash_platform_data wg302v2_flash_data = {
32	.map_name	= "cfi_probe",
33	.width		= 2,
34};
35
36static struct resource wg302v2_flash_resource = {
37	.flags		= IORESOURCE_MEM,
38};
39
40static struct platform_device wg302v2_flash = {
41	.name		= "IXP4XX-Flash",
42	.id		= 0,
43	.dev		= {
44		.platform_data = &wg302v2_flash_data,
45	},
46	.num_resources	= 1,
47	.resource	= &wg302v2_flash_resource,
48};
49
50static struct resource wg302v2_uart_resource = {
51	.start	= IXP4XX_UART2_BASE_PHYS,
52	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
53	.flags	= IORESOURCE_MEM,
54};
55
56static struct plat_serial8250_port wg302v2_uart_data[] = {
57	{
58		.mapbase	= IXP4XX_UART2_BASE_PHYS,
59		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
60		.irq		= IRQ_IXP4XX_UART2,
61		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
62		.iotype		= UPIO_MEM,
63		.regshift	= 2,
64		.uartclk	= IXP4XX_UART_XTAL,
65	},
66	{ },
67};
68
69static struct platform_device wg302v2_uart = {
70	.name		= "serial8250",
71	.id		= PLAT8250_DEV_PLATFORM,
72	.dev			= {
73		.platform_data	= wg302v2_uart_data,
74	},
75	.num_resources	= 1,
76	.resource	= &wg302v2_uart_resource,
77};
78
79static struct platform_device *wg302v2_devices[] __initdata = {
80	&wg302v2_flash,
81	&wg302v2_uart,
82};
83
84static void __init wg302v2_init(void)
85{
86	ixp4xx_sys_init();
87
88	wg302v2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
89	wg302v2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
90
91	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
92	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
93
94	platform_add_devices(wg302v2_devices, ARRAY_SIZE(wg302v2_devices));
95}
96
97#ifdef CONFIG_MACH_WG302V2
98MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
99	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
100	.map_io		= ixp4xx_map_io,
101	.init_early	= ixp4xx_init_early,
102	.init_irq	= ixp4xx_init_irq,
103	.init_time	= ixp4xx_timer_init,
104	.atag_offset	= 0x100,
105	.init_machine	= wg302v2_init,
106#if defined(CONFIG_PCI)
107	.dma_zone_size	= SZ_64M,
108#endif
109	.restart	= ixp4xx_restart,
110MACHINE_END
111#endif
112