Linux Kernel  3.7.1
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wg302v2-setup.c
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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 <[email protected]>
7  *
8  * based on coyote-setup.c:
9  * Copyright (C) 2003-2005 MontaVista Software, Inc.
10  *
11  * Author: Imre Kaloz <[email protected]>
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 
31 static struct flash_platform_data wg302v2_flash_data = {
32  .map_name = "cfi_probe",
33  .width = 2,
34 };
35 
36 static struct resource wg302v2_flash_resource = {
37  .flags = IORESOURCE_MEM,
38 };
39 
40 static 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 
50 static struct resource wg302v2_uart_resource = {
51  .start = IXP4XX_UART2_BASE_PHYS,
52  .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
53  .flags = IORESOURCE_MEM,
54 };
55 
56 static struct plat_serial8250_port wg302v2_uart_data[] = {
57  {
58  .mapbase = IXP4XX_UART2_BASE_PHYS,
59  .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
62  .iotype = UPIO_MEM,
63  .regshift = 2,
65  },
66  { },
67 };
68 
69 static struct platform_device wg302v2_uart = {
70  .name = "serial8250",
72  .dev = {
73  .platform_data = wg302v2_uart_data,
74  },
75  .num_resources = 1,
76  .resource = &wg302v2_uart_resource,
77 };
78 
79 static struct platform_device *wg302v2_devices[] __initdata = {
80  &wg302v2_flash,
81  &wg302v2_uart,
82 };
83 
84 static void __init wg302v2_init(void)
85 {
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 
93 
94  platform_add_devices(wg302v2_devices, ARRAY_SIZE(wg302v2_devices));
95 }
96 
97 #ifdef CONFIG_MACH_WG302V2
98 MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
99  /* Maintainer: Imre Kaloz <[email protected]> */
100  .map_io = ixp4xx_map_io,
101  .init_early = ixp4xx_init_early,
102  .init_irq = ixp4xx_init_irq,
103  .timer = &ixp4xx_timer,
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,
111 #endif