1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * arch/arm/mach-ixp4xx/wg302-setup.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Board setup for the Netgear WG302 v2 and WAG302 v2
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * based on coyote-setup.c:
10*4882a593Smuzhiyun * Copyright (C) 2003-2005 MontaVista Software, Inc.
11*4882a593Smuzhiyun *
12*4882a593Smuzhiyun * Author: Imre Kaloz <kaloz@openwrt.org>
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun */
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include <linux/kernel.h>
17*4882a593Smuzhiyun #include <linux/init.h>
18*4882a593Smuzhiyun #include <linux/device.h>
19*4882a593Smuzhiyun #include <linux/serial.h>
20*4882a593Smuzhiyun #include <linux/tty.h>
21*4882a593Smuzhiyun #include <linux/serial_8250.h>
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun #include <asm/types.h>
24*4882a593Smuzhiyun #include <asm/setup.h>
25*4882a593Smuzhiyun #include <asm/memory.h>
26*4882a593Smuzhiyun #include <mach/hardware.h>
27*4882a593Smuzhiyun #include <asm/irq.h>
28*4882a593Smuzhiyun #include <asm/mach-types.h>
29*4882a593Smuzhiyun #include <asm/mach/arch.h>
30*4882a593Smuzhiyun #include <asm/mach/flash.h>
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun #include "irqs.h"
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun static struct flash_platform_data wg302v2_flash_data = {
35*4882a593Smuzhiyun .map_name = "cfi_probe",
36*4882a593Smuzhiyun .width = 2,
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static struct resource wg302v2_flash_resource = {
40*4882a593Smuzhiyun .flags = IORESOURCE_MEM,
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun static struct platform_device wg302v2_flash = {
44*4882a593Smuzhiyun .name = "IXP4XX-Flash",
45*4882a593Smuzhiyun .id = 0,
46*4882a593Smuzhiyun .dev = {
47*4882a593Smuzhiyun .platform_data = &wg302v2_flash_data,
48*4882a593Smuzhiyun },
49*4882a593Smuzhiyun .num_resources = 1,
50*4882a593Smuzhiyun .resource = &wg302v2_flash_resource,
51*4882a593Smuzhiyun };
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun static struct resource wg302v2_uart_resource = {
54*4882a593Smuzhiyun .start = IXP4XX_UART2_BASE_PHYS,
55*4882a593Smuzhiyun .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
56*4882a593Smuzhiyun .flags = IORESOURCE_MEM,
57*4882a593Smuzhiyun };
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun static struct plat_serial8250_port wg302v2_uart_data[] = {
60*4882a593Smuzhiyun {
61*4882a593Smuzhiyun .mapbase = IXP4XX_UART2_BASE_PHYS,
62*4882a593Smuzhiyun .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
63*4882a593Smuzhiyun .irq = IRQ_IXP4XX_UART2,
64*4882a593Smuzhiyun .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
65*4882a593Smuzhiyun .iotype = UPIO_MEM,
66*4882a593Smuzhiyun .regshift = 2,
67*4882a593Smuzhiyun .uartclk = IXP4XX_UART_XTAL,
68*4882a593Smuzhiyun },
69*4882a593Smuzhiyun { },
70*4882a593Smuzhiyun };
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun static struct platform_device wg302v2_uart = {
73*4882a593Smuzhiyun .name = "serial8250",
74*4882a593Smuzhiyun .id = PLAT8250_DEV_PLATFORM,
75*4882a593Smuzhiyun .dev = {
76*4882a593Smuzhiyun .platform_data = wg302v2_uart_data,
77*4882a593Smuzhiyun },
78*4882a593Smuzhiyun .num_resources = 1,
79*4882a593Smuzhiyun .resource = &wg302v2_uart_resource,
80*4882a593Smuzhiyun };
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun static struct platform_device *wg302v2_devices[] __initdata = {
83*4882a593Smuzhiyun &wg302v2_flash,
84*4882a593Smuzhiyun &wg302v2_uart,
85*4882a593Smuzhiyun };
86*4882a593Smuzhiyun
wg302v2_init(void)87*4882a593Smuzhiyun static void __init wg302v2_init(void)
88*4882a593Smuzhiyun {
89*4882a593Smuzhiyun ixp4xx_sys_init();
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun wg302v2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
92*4882a593Smuzhiyun wg302v2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
95*4882a593Smuzhiyun *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun platform_add_devices(wg302v2_devices, ARRAY_SIZE(wg302v2_devices));
98*4882a593Smuzhiyun }
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun #ifdef CONFIG_MACH_WG302V2
101*4882a593Smuzhiyun MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
102*4882a593Smuzhiyun /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
103*4882a593Smuzhiyun .map_io = ixp4xx_map_io,
104*4882a593Smuzhiyun .init_early = ixp4xx_init_early,
105*4882a593Smuzhiyun .init_irq = ixp4xx_init_irq,
106*4882a593Smuzhiyun .init_time = ixp4xx_timer_init,
107*4882a593Smuzhiyun .atag_offset = 0x100,
108*4882a593Smuzhiyun .init_machine = wg302v2_init,
109*4882a593Smuzhiyun #if defined(CONFIG_PCI)
110*4882a593Smuzhiyun .dma_zone_size = SZ_64M,
111*4882a593Smuzhiyun #endif
112*4882a593Smuzhiyun .restart = ixp4xx_restart,
113*4882a593Smuzhiyun MACHINE_END
114*4882a593Smuzhiyun #endif
115