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
gateway7001_init(void)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
114