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