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coyote-setup.c
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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 <[email protected]>
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,
67  .iotype = UPIO_MEM,
68  .regshift = 2,
70  },
71  { },
72 };
73 
74 static struct platform_device coyote_uart = {
75  .name = "serial8250",
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 
89 static void __init coyote_init(void)
90 {
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 
98 
99  if (machine_is_ixdpg425()) {
100  coyote_uart_data[0].membase =
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  .timer = &ixp4xx_timer,
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,
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  .timer = &ixp4xx_timer,
136  .atag_offset = 0x100,
137  .init_machine = coyote_init,
138  .restart = ixp4xx_restart,
140 #endif
141