1// SPDX-License-Identifier: GPL-2.0
2/*
3 * arch/arm/mach-ixp4xx/coyote-setup.c
4 *
5 * Board setup for ADI Engineering and IXDGP425 boards
6 *
7 * Copyright (C) 2003-2005 MontaVista Software, Inc.
8 *
9 * Author: Deepak Saxena <dsaxena@plexity.net>
10 */
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/device.h>
15#include <linux/serial.h>
16#include <linux/tty.h>
17#include <linux/serial_8250.h>
18
19#include <asm/types.h>
20#include <asm/setup.h>
21#include <asm/memory.h>
22#include <mach/hardware.h>
23#include <asm/irq.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/flash.h>
27
28#include "irqs.h"
29
30#define COYOTE_IDE_BASE_PHYS	IXP4XX_EXP_BUS_BASE(3)
31#define COYOTE_IDE_BASE_VIRT	0xFFFE1000
32#define COYOTE_IDE_REGION_SIZE	0x1000
33
34#define COYOTE_IDE_DATA_PORT	0xFFFE10E0
35#define COYOTE_IDE_CTRL_PORT	0xFFFE10FC
36#define COYOTE_IDE_ERROR_PORT	0xFFFE10E2
37#define IRQ_COYOTE_IDE		IRQ_IXP4XX_GPIO5
38
39static struct flash_platform_data coyote_flash_data = {
40	.map_name	= "cfi_probe",
41	.width		= 2,
42};
43
44static struct resource coyote_flash_resource = {
45	.flags		= IORESOURCE_MEM,
46};
47
48static struct platform_device coyote_flash = {
49	.name		= "IXP4XX-Flash",
50	.id		= 0,
51	.dev		= {
52		.platform_data = &coyote_flash_data,
53	},
54	.num_resources	= 1,
55	.resource	= &coyote_flash_resource,
56};
57
58static struct resource coyote_uart_resource = {
59	.start	= IXP4XX_UART2_BASE_PHYS,
60	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
61	.flags	= IORESOURCE_MEM,
62};
63
64static struct plat_serial8250_port coyote_uart_data[] = {
65	{
66		.mapbase	= IXP4XX_UART2_BASE_PHYS,
67		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
68		.irq		= IRQ_IXP4XX_UART2,
69		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
70		.iotype		= UPIO_MEM,
71		.regshift	= 2,
72		.uartclk	= IXP4XX_UART_XTAL,
73	},
74	{ },
75};
76
77static struct platform_device coyote_uart = {
78	.name		= "serial8250",
79	.id		= PLAT8250_DEV_PLATFORM,
80	.dev			= {
81		.platform_data	= coyote_uart_data,
82	},
83	.num_resources	= 1,
84	.resource	= &coyote_uart_resource,
85};
86
87static struct platform_device *coyote_devices[] __initdata = {
88	&coyote_flash,
89	&coyote_uart
90};
91
92static void __init coyote_init(void)
93{
94	ixp4xx_sys_init();
95
96	coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
97	coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
98
99	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
100	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
101
102	if (machine_is_ixdpg425()) {
103		coyote_uart_data[0].membase =
104			(char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
105		coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
106		coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
107	}
108
109	platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
110}
111
112#ifdef CONFIG_ARCH_ADI_COYOTE
113MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
114	/* Maintainer: MontaVista Software, Inc. */
115	.map_io		= ixp4xx_map_io,
116	.init_early	= ixp4xx_init_early,
117	.init_irq	= ixp4xx_init_irq,
118	.init_time	= ixp4xx_timer_init,
119	.atag_offset	= 0x100,
120	.init_machine	= coyote_init,
121#if defined(CONFIG_PCI)
122	.dma_zone_size	= SZ_64M,
123#endif
124	.restart	= ixp4xx_restart,
125MACHINE_END
126#endif
127
128/*
129 * IXDPG425 is identical to Coyote except for which serial port
130 * is connected.
131 */
132#ifdef CONFIG_MACH_IXDPG425
133MACHINE_START(IXDPG425, "Intel IXDPG425")
134	/* Maintainer: MontaVista Software, Inc. */
135	.map_io		= ixp4xx_map_io,
136	.init_early	= ixp4xx_init_early,
137	.init_irq	= ixp4xx_init_irq,
138	.init_time	= ixp4xx_timer_init,
139	.atag_offset	= 0x100,
140	.init_machine	= coyote_init,
141	.restart	= ixp4xx_restart,
142MACHINE_END
143#endif
144
145