Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[sfrench/cifs-2.6.git] / arch / arm / mach-ixp4xx / wg302v2-setup.c
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 #include "irqs.h"
33
34 static struct flash_platform_data wg302v2_flash_data = {
35         .map_name       = "cfi_probe",
36         .width          = 2,
37 };
38
39 static struct resource wg302v2_flash_resource = {
40         .flags          = IORESOURCE_MEM,
41 };
42
43 static struct platform_device wg302v2_flash = {
44         .name           = "IXP4XX-Flash",
45         .id             = 0,
46         .dev            = {
47                 .platform_data = &wg302v2_flash_data,
48         },
49         .num_resources  = 1,
50         .resource       = &wg302v2_flash_resource,
51 };
52
53 static struct resource wg302v2_uart_resource = {
54         .start  = IXP4XX_UART2_BASE_PHYS,
55         .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
56         .flags  = IORESOURCE_MEM,
57 };
58
59 static struct plat_serial8250_port wg302v2_uart_data[] = {
60         {
61                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
62                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
63                 .irq            = IRQ_IXP4XX_UART2,
64                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
65                 .iotype         = UPIO_MEM,
66                 .regshift       = 2,
67                 .uartclk        = IXP4XX_UART_XTAL,
68         },
69         { },
70 };
71
72 static struct platform_device wg302v2_uart = {
73         .name           = "serial8250",
74         .id             = PLAT8250_DEV_PLATFORM,
75         .dev                    = {
76                 .platform_data  = wg302v2_uart_data,
77         },
78         .num_resources  = 1,
79         .resource       = &wg302v2_uart_resource,
80 };
81
82 static struct platform_device *wg302v2_devices[] __initdata = {
83         &wg302v2_flash,
84         &wg302v2_uart,
85 };
86
87 static void __init wg302v2_init(void)
88 {
89         ixp4xx_sys_init();
90
91         wg302v2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
92         wg302v2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
93
94         *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
95         *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
96
97         platform_add_devices(wg302v2_devices, ARRAY_SIZE(wg302v2_devices));
98 }
99
100 #ifdef CONFIG_MACH_WG302V2
101 MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
102         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
103         .map_io         = ixp4xx_map_io,
104         .init_early     = ixp4xx_init_early,
105         .init_irq       = ixp4xx_init_irq,
106         .init_time      = ixp4xx_timer_init,
107         .atag_offset    = 0x100,
108         .init_machine   = wg302v2_init,
109 #if defined(CONFIG_PCI)
110         .dma_zone_size  = SZ_64M,
111 #endif
112         .restart        = ixp4xx_restart,
113 MACHINE_END
114 #endif