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-rw-r--r--arch/arm/mach-ixp2000/enp2611.c265
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diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c
deleted file mode 100644
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1/*
2 * arch/arm/mach-ixp2000/enp2611.c
3 *
4 * Radisys ENP-2611 support.
5 *
6 * Created 2004 by Lennert Buytenhek from the ixdp2x01 code. The
7 * original version carries the following notices:
8 *
9 * Original Author: Andrzej Mialkowski <andrzej.mialkowski@intel.com>
10 * Maintainer: Deepak Saxena <dsaxena@plexity.net>
11 *
12 * Copyright (C) 2002-2003 Intel Corp.
13 * Copyright (C) 2003-2004 MontaVista Software, Inc.
14 *
15 * This program is free software; you can redistribute it and/or modify it
16 * under the terms of the GNU General Public License as published by the
17 * Free Software Foundation; either version 2 of the License, or (at your
18 * option) any later version.
19 */
20
21#include <linux/kernel.h>
22#include <linux/init.h>
23#include <linux/mm.h>
24#include <linux/sched.h>
25#include <linux/interrupt.h>
26#include <linux/bitops.h>
27#include <linux/pci.h>
28#include <linux/ioport.h>
29#include <linux/delay.h>
30#include <linux/serial.h>
31#include <linux/tty.h>
32#include <linux/serial_core.h>
33#include <linux/platform_device.h>
34#include <linux/io.h>
35
36#include <asm/irq.h>
37#include <asm/pgtable.h>
38#include <asm/page.h>
39#include <mach/hardware.h>
40#include <asm/mach-types.h>
41
42#include <asm/mach/pci.h>
43#include <asm/mach/map.h>
44#include <asm/mach/irq.h>
45#include <asm/mach/time.h>
46#include <asm/mach/arch.h>
47#include <asm/mach/flash.h>
48
49/*************************************************************************
50 * ENP-2611 timer tick configuration
51 *************************************************************************/
52static void __init enp2611_timer_init(void)
53{
54 ixp2000_init_time(50 * 1000 * 1000);
55}
56
57static struct sys_timer enp2611_timer = {
58 .init = enp2611_timer_init,
59 .offset = ixp2000_gettimeoffset,
60};
61
62
63/*************************************************************************
64 * ENP-2611 I/O
65 *************************************************************************/
66static struct map_desc enp2611_io_desc[] __initdata = {
67 {
68 .virtual = ENP2611_CALEB_VIRT_BASE,
69 .pfn = __phys_to_pfn(ENP2611_CALEB_PHYS_BASE),
70 .length = ENP2611_CALEB_SIZE,
71 .type = MT_DEVICE,
72 }, {
73 .virtual = ENP2611_PM3386_0_VIRT_BASE,
74 .pfn = __phys_to_pfn(ENP2611_PM3386_0_PHYS_BASE),
75 .length = ENP2611_PM3386_0_SIZE,
76 .type = MT_DEVICE,
77 }, {
78 .virtual = ENP2611_PM3386_1_VIRT_BASE,
79 .pfn = __phys_to_pfn(ENP2611_PM3386_1_PHYS_BASE),
80 .length = ENP2611_PM3386_1_SIZE,
81 .type = MT_DEVICE,
82 }
83};
84
85void __init enp2611_map_io(void)
86{
87 ixp2000_map_io();
88 iotable_init(enp2611_io_desc, ARRAY_SIZE(enp2611_io_desc));
89}
90
91
92/*************************************************************************
93 * ENP-2611 PCI
94 *************************************************************************/
95static int enp2611_pci_setup(int nr, struct pci_sys_data *sys)
96{
97 sys->mem_offset = 0xe0000000;
98 ixp2000_pci_setup(nr, sys);
99 return 1;
100}
101
102static void __init enp2611_pci_preinit(void)
103{
104 ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00100000);
105 ixp2000_pci_preinit();
106 pcibios_setup("firmware");
107}
108
109static inline int enp2611_pci_valid_device(struct pci_bus *bus,
110 unsigned int devfn)
111{
112 /* The 82559 ethernet controller appears at both PCI:1:0:0 and
113 * PCI:1:2:0, so let's pretend the second one isn't there.
114 */
115 if (bus->number == 0x01 && devfn == 0x10)
116 return 0;
117
118 return 1;
119}
120
121static int enp2611_pci_read_config(struct pci_bus *bus, unsigned int devfn,
122 int where, int size, u32 *value)
123{
124 if (enp2611_pci_valid_device(bus, devfn))
125 return ixp2000_pci_read_config(bus, devfn, where, size, value);
126
127 return PCIBIOS_DEVICE_NOT_FOUND;
128}
129
130static int enp2611_pci_write_config(struct pci_bus *bus, unsigned int devfn,
131 int where, int size, u32 value)
132{
133 if (enp2611_pci_valid_device(bus, devfn))
134 return ixp2000_pci_write_config(bus, devfn, where, size, value);
135
136 return PCIBIOS_DEVICE_NOT_FOUND;
137}
138
139static struct pci_ops enp2611_pci_ops = {
140 .read = enp2611_pci_read_config,
141 .write = enp2611_pci_write_config
142};
143
144static struct pci_bus * __init enp2611_pci_scan_bus(int nr,
145 struct pci_sys_data *sys)
146{
147 return pci_scan_root_bus(NULL, sys->busnr, &enp2611_pci_ops, sys,
148 &sys->resources);
149}
150
151static int __init enp2611_pci_map_irq(const struct pci_dev *dev, u8 slot,
152 u8 pin)
153{
154 int irq;
155
156 if (dev->bus->number == 0 && PCI_SLOT(dev->devfn) == 0) {
157 /* IXP2400. */
158 irq = IRQ_IXP2000_PCIA;
159 } else if (dev->bus->number == 0 && PCI_SLOT(dev->devfn) == 1) {
160 /* 21555 non-transparent bridge. */
161 irq = IRQ_IXP2000_PCIB;
162 } else if (dev->bus->number == 0 && PCI_SLOT(dev->devfn) == 4) {
163 /* PCI2050B transparent bridge. */
164 irq = -1;
165 } else if (dev->bus->number == 1 && PCI_SLOT(dev->devfn) == 0) {
166 /* 82559 ethernet. */
167 irq = IRQ_IXP2000_PCIA;
168 } else if (dev->bus->number == 1 && PCI_SLOT(dev->devfn) == 1) {
169 /* SPI-3 option board. */
170 irq = IRQ_IXP2000_PCIB;
171 } else {
172 printk(KERN_ERR "enp2611_pci_map_irq() called for unknown "
173 "device PCI:%d:%d:%d\n", dev->bus->number,
174 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
175 irq = -1;
176 }
177
178 return irq;
179}
180
181struct hw_pci enp2611_pci __initdata = {
182 .nr_controllers = 1,
183 .setup = enp2611_pci_setup,
184 .preinit = enp2611_pci_preinit,
185 .scan = enp2611_pci_scan_bus,
186 .map_irq = enp2611_pci_map_irq,
187};
188
189int __init enp2611_pci_init(void)
190{
191 if (machine_is_enp2611())
192 pci_common_init(&enp2611_pci);
193
194 return 0;
195}
196
197subsys_initcall(enp2611_pci_init);
198
199
200/*************************************************************************
201 * ENP-2611 Machine Initialization
202 *************************************************************************/
203static struct flash_platform_data enp2611_flash_platform_data = {
204 .map_name = "cfi_probe",
205 .width = 1,
206};
207
208static struct ixp2000_flash_data enp2611_flash_data = {
209 .platform_data = &enp2611_flash_platform_data,
210 .nr_banks = 1
211};
212
213static struct resource enp2611_flash_resource = {
214 .start = 0xc4000000,
215 .end = 0xc4000000 + 0x00ffffff,
216 .flags = IORESOURCE_MEM,
217};
218
219static struct platform_device enp2611_flash = {
220 .name = "IXP2000-Flash",
221 .id = 0,
222 .dev = {
223 .platform_data = &enp2611_flash_data,
224 },
225 .num_resources = 1,
226 .resource = &enp2611_flash_resource,
227};
228
229static struct ixp2000_i2c_pins enp2611_i2c_gpio_pins = {
230 .sda_pin = ENP2611_GPIO_SDA,
231 .scl_pin = ENP2611_GPIO_SCL,
232};
233
234static struct platform_device enp2611_i2c_controller = {
235 .name = "IXP2000-I2C",
236 .id = 0,
237 .dev = {
238 .platform_data = &enp2611_i2c_gpio_pins
239 },
240 .num_resources = 0
241};
242
243static struct platform_device *enp2611_devices[] __initdata = {
244 &enp2611_flash,
245 &enp2611_i2c_controller
246};
247
248static void __init enp2611_init_machine(void)
249{
250 platform_add_devices(enp2611_devices, ARRAY_SIZE(enp2611_devices));
251 ixp2000_uart_init();
252}
253
254
255MACHINE_START(ENP2611, "Radisys ENP-2611 PCI network processor board")
256 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
257 .atag_offset = 0x100,
258 .map_io = enp2611_map_io,
259 .init_irq = ixp2000_init_irq,
260 .timer = &enp2611_timer,
261 .init_machine = enp2611_init_machine,
262 .restart = ixp2000_restart,
263MACHINE_END
264
265
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-18 00:44:23 -0500