1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * arch/arm/mach-ixp4xx/coyote-setup.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Board setup for ADI Engineering and IXDGP425 boards
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (C) 2003-2005 MontaVista Software, Inc.
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * Author: Deepak Saxena <dsaxena@plexity.net>
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/kernel.h>
13*4882a593Smuzhiyun #include <linux/init.h>
14*4882a593Smuzhiyun #include <linux/device.h>
15*4882a593Smuzhiyun #include <linux/serial.h>
16*4882a593Smuzhiyun #include <linux/tty.h>
17*4882a593Smuzhiyun #include <linux/serial_8250.h>
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #include <asm/types.h>
20*4882a593Smuzhiyun #include <asm/setup.h>
21*4882a593Smuzhiyun #include <asm/memory.h>
22*4882a593Smuzhiyun #include <mach/hardware.h>
23*4882a593Smuzhiyun #include <asm/irq.h>
24*4882a593Smuzhiyun #include <asm/mach-types.h>
25*4882a593Smuzhiyun #include <asm/mach/arch.h>
26*4882a593Smuzhiyun #include <asm/mach/flash.h>
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun #include "irqs.h"
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #define COYOTE_IDE_BASE_PHYS IXP4XX_EXP_BUS_BASE(3)
31*4882a593Smuzhiyun #define COYOTE_IDE_BASE_VIRT 0xFFFE1000
32*4882a593Smuzhiyun #define COYOTE_IDE_REGION_SIZE 0x1000
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun #define COYOTE_IDE_DATA_PORT 0xFFFE10E0
35*4882a593Smuzhiyun #define COYOTE_IDE_CTRL_PORT 0xFFFE10FC
36*4882a593Smuzhiyun #define COYOTE_IDE_ERROR_PORT 0xFFFE10E2
37*4882a593Smuzhiyun #define IRQ_COYOTE_IDE IRQ_IXP4XX_GPIO5
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static struct flash_platform_data coyote_flash_data = {
40*4882a593Smuzhiyun .map_name = "cfi_probe",
41*4882a593Smuzhiyun .width = 2,
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun static struct resource coyote_flash_resource = {
45*4882a593Smuzhiyun .flags = IORESOURCE_MEM,
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun static struct platform_device coyote_flash = {
49*4882a593Smuzhiyun .name = "IXP4XX-Flash",
50*4882a593Smuzhiyun .id = 0,
51*4882a593Smuzhiyun .dev = {
52*4882a593Smuzhiyun .platform_data = &coyote_flash_data,
53*4882a593Smuzhiyun },
54*4882a593Smuzhiyun .num_resources = 1,
55*4882a593Smuzhiyun .resource = &coyote_flash_resource,
56*4882a593Smuzhiyun };
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun static struct resource coyote_uart_resource = {
59*4882a593Smuzhiyun .start = IXP4XX_UART2_BASE_PHYS,
60*4882a593Smuzhiyun .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
61*4882a593Smuzhiyun .flags = IORESOURCE_MEM,
62*4882a593Smuzhiyun };
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun static struct plat_serial8250_port coyote_uart_data[] = {
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun .mapbase = IXP4XX_UART2_BASE_PHYS,
67*4882a593Smuzhiyun .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
68*4882a593Smuzhiyun .irq = IRQ_IXP4XX_UART2,
69*4882a593Smuzhiyun .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
70*4882a593Smuzhiyun .iotype = UPIO_MEM,
71*4882a593Smuzhiyun .regshift = 2,
72*4882a593Smuzhiyun .uartclk = IXP4XX_UART_XTAL,
73*4882a593Smuzhiyun },
74*4882a593Smuzhiyun { },
75*4882a593Smuzhiyun };
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun static struct platform_device coyote_uart = {
78*4882a593Smuzhiyun .name = "serial8250",
79*4882a593Smuzhiyun .id = PLAT8250_DEV_PLATFORM,
80*4882a593Smuzhiyun .dev = {
81*4882a593Smuzhiyun .platform_data = coyote_uart_data,
82*4882a593Smuzhiyun },
83*4882a593Smuzhiyun .num_resources = 1,
84*4882a593Smuzhiyun .resource = &coyote_uart_resource,
85*4882a593Smuzhiyun };
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun static struct platform_device *coyote_devices[] __initdata = {
88*4882a593Smuzhiyun &coyote_flash,
89*4882a593Smuzhiyun &coyote_uart
90*4882a593Smuzhiyun };
91*4882a593Smuzhiyun
coyote_init(void)92*4882a593Smuzhiyun static void __init coyote_init(void)
93*4882a593Smuzhiyun {
94*4882a593Smuzhiyun ixp4xx_sys_init();
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
97*4882a593Smuzhiyun coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
100*4882a593Smuzhiyun *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun if (machine_is_ixdpg425()) {
103*4882a593Smuzhiyun coyote_uart_data[0].membase =
104*4882a593Smuzhiyun (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
105*4882a593Smuzhiyun coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
106*4882a593Smuzhiyun coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
107*4882a593Smuzhiyun }
108*4882a593Smuzhiyun
109*4882a593Smuzhiyun platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
110*4882a593Smuzhiyun }
111*4882a593Smuzhiyun
112*4882a593Smuzhiyun #ifdef CONFIG_ARCH_ADI_COYOTE
113*4882a593Smuzhiyun MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
114*4882a593Smuzhiyun /* Maintainer: MontaVista Software, Inc. */
115*4882a593Smuzhiyun .map_io = ixp4xx_map_io,
116*4882a593Smuzhiyun .init_early = ixp4xx_init_early,
117*4882a593Smuzhiyun .init_irq = ixp4xx_init_irq,
118*4882a593Smuzhiyun .init_time = ixp4xx_timer_init,
119*4882a593Smuzhiyun .atag_offset = 0x100,
120*4882a593Smuzhiyun .init_machine = coyote_init,
121*4882a593Smuzhiyun #if defined(CONFIG_PCI)
122*4882a593Smuzhiyun .dma_zone_size = SZ_64M,
123*4882a593Smuzhiyun #endif
124*4882a593Smuzhiyun .restart = ixp4xx_restart,
125*4882a593Smuzhiyun MACHINE_END
126*4882a593Smuzhiyun #endif
127*4882a593Smuzhiyun
128*4882a593Smuzhiyun /*
129*4882a593Smuzhiyun * IXDPG425 is identical to Coyote except for which serial port
130*4882a593Smuzhiyun * is connected.
131*4882a593Smuzhiyun */
132*4882a593Smuzhiyun #ifdef CONFIG_MACH_IXDPG425
133*4882a593Smuzhiyun MACHINE_START(IXDPG425, "Intel IXDPG425")
134*4882a593Smuzhiyun /* Maintainer: MontaVista Software, Inc. */
135*4882a593Smuzhiyun .map_io = ixp4xx_map_io,
136*4882a593Smuzhiyun .init_early = ixp4xx_init_early,
137*4882a593Smuzhiyun .init_irq = ixp4xx_init_irq,
138*4882a593Smuzhiyun .init_time = ixp4xx_timer_init,
139*4882a593Smuzhiyun .atag_offset = 0x100,
140*4882a593Smuzhiyun .init_machine = coyote_init,
141*4882a593Smuzhiyun .restart = ixp4xx_restart,
142*4882a593Smuzhiyun MACHINE_END
143*4882a593Smuzhiyun #endif
144*4882a593Smuzhiyun
145