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 / gateway7001-setup.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * arch/arm/mach-ixp4xx/gateway7001-setup.c
4  *
5  * Board setup for the Gateway 7001 board
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 #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 #include "irqs.h"
32
33 static struct flash_platform_data gateway7001_flash_data = {
34         .map_name       = "cfi_probe",
35         .width          = 2,
36 };
37
38 static struct resource gateway7001_flash_resource = {
39         .flags          = IORESOURCE_MEM,
40 };
41
42 static struct platform_device gateway7001_flash = {
43         .name           = "IXP4XX-Flash",
44         .id             = 0,
45         .dev            = {
46                 .platform_data = &gateway7001_flash_data,
47         },
48         .num_resources  = 1,
49         .resource       = &gateway7001_flash_resource,
50 };
51
52 static struct resource gateway7001_uart_resource = {
53         .start  = IXP4XX_UART2_BASE_PHYS,
54         .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
55         .flags  = IORESOURCE_MEM,
56 };
57
58 static struct plat_serial8250_port gateway7001_uart_data[] = {
59         {
60                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
61                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
62                 .irq            = IRQ_IXP4XX_UART2,
63                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
64                 .iotype         = UPIO_MEM,
65                 .regshift       = 2,
66                 .uartclk        = IXP4XX_UART_XTAL,
67         },
68         { },
69 };
70
71 static struct platform_device gateway7001_uart = {
72         .name           = "serial8250",
73         .id             = PLAT8250_DEV_PLATFORM,
74         .dev                    = {
75                 .platform_data  = gateway7001_uart_data,
76         },
77         .num_resources  = 1,
78         .resource       = &gateway7001_uart_resource,
79 };
80
81 static struct platform_device *gateway7001_devices[] __initdata = {
82         &gateway7001_flash,
83         &gateway7001_uart
84 };
85
86 static void __init gateway7001_init(void)
87 {
88         ixp4xx_sys_init();
89
90         gateway7001_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
91         gateway7001_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
92
93         *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
94         *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
95
96         platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
97 }
98
99 #ifdef CONFIG_MACH_GATEWAY7001
100 MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
101         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
102         .map_io         = ixp4xx_map_io,
103         .init_early     = ixp4xx_init_early,
104         .init_irq       = ixp4xx_init_irq,
105         .init_time      = ixp4xx_timer_init,
106         .atag_offset    = 0x100,
107         .init_machine   = gateway7001_init,
108 #if defined(CONFIG_PCI)
109         .dma_zone_size  = SZ_64M,
110 #endif
111         .restart        = ixp4xx_restart,
112 MACHINE_END
113 #endif