1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * arch/arm/mach-ixp4xx/wg302-setup.c
4 *
5 * Board setup for the Netgear WG302 v2 and WAG302 v2
6 *
7 * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
8 *
9 * based on coyote-setup.c:
10 * Copyright (C) 2003-2005 MontaVista Software, Inc.
11 *
12 * Author: Imre Kaloz <kaloz@openwrt.org>
13 *
14 */
15
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/device.h>
19 #include <linux/serial.h>
20 #include <linux/tty.h>
21 #include <linux/serial_8250.h>
22
23 #include <asm/types.h>
24 #include <asm/setup.h>
25 #include <asm/memory.h>
26 #include <mach/hardware.h>
27 #include <asm/irq.h>
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/flash.h>
31
32 static struct flash_platform_data wg302v2_flash_data = {
33 .map_name = "cfi_probe",
34 .width = 2,
35 };
36
37 static struct resource wg302v2_flash_resource = {
38 .flags = IORESOURCE_MEM,
39 };
40
41 static struct platform_device wg302v2_flash = {
42 .name = "IXP4XX-Flash",
43 .id = 0,
44 .dev = {
45 .platform_data = &wg302v2_flash_data,
46 },
47 .num_resources = 1,
48 .resource = &wg302v2_flash_resource,
49 };
50
51 static struct resource wg302v2_uart_resource = {
52 .start = IXP4XX_UART2_BASE_PHYS,
53 .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
54 .flags = IORESOURCE_MEM,
55 };
56
57 static struct plat_serial8250_port wg302v2_uart_data[] = {
58 {
59 .mapbase = IXP4XX_UART2_BASE_PHYS,
60 .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
61 .irq = IRQ_IXP4XX_UART2,
62 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
63 .iotype = UPIO_MEM,
64 .regshift = 2,
65 .uartclk = IXP4XX_UART_XTAL,
66 },
67 { },
68 };
69
70 static struct platform_device wg302v2_uart = {
71 .name = "serial8250",
72 .id = PLAT8250_DEV_PLATFORM,
73 .dev = {
74 .platform_data = wg302v2_uart_data,
75 },
76 .num_resources = 1,
77 .resource = &wg302v2_uart_resource,
78 };
79
80 static struct platform_device *wg302v2_devices[] __initdata = {
81 &wg302v2_flash,
82 &wg302v2_uart,
83 };
84
wg302v2_init(void)85 static void __init wg302v2_init(void)
86 {
87 ixp4xx_sys_init();
88
89 wg302v2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
90 wg302v2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
91
92 *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
93 *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
94
95 platform_add_devices(wg302v2_devices, ARRAY_SIZE(wg302v2_devices));
96 }
97
98 #ifdef CONFIG_MACH_WG302V2
99 MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
100 /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
101 .map_io = ixp4xx_map_io,
102 .init_early = ixp4xx_init_early,
103 .init_irq = ixp4xx_init_irq,
104 .init_time = ixp4xx_timer_init,
105 .atag_offset = 0x100,
106 .init_machine = wg302v2_init,
107 #if defined(CONFIG_PCI)
108 .dma_zone_size = SZ_64M,
109 #endif
110 .restart = ixp4xx_restart,
111 MACHINE_END
112 #endif
113
