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17#include <linux/mm.h>
18#include <linux/init.h>
19#include <linux/delay.h>
20#include <linux/kernel.h>
21#include <linux/pci.h>
22#include <linux/pm.h>
23#include <linux/string.h>
24#include <linux/serial_core.h>
25#include <linux/serial_8250.h>
26#include <linux/mtd/physmap.h>
27#include <linux/platform_device.h>
28#include <linux/io.h>
29#include <mach/hardware.h>
30#include <asm/cputype.h>
31#include <asm/irq.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/map.h>
34#include <asm/mach/pci.h>
35#include <asm/mach/time.h>
36#include <asm/mach-types.h>
37#include <asm/page.h>
38#include <asm/pgtable.h>
39#include <mach/time.h>
40
41
42
43
44
45
46
47
48static int force_ep80219;
49
50static int is_80219(void)
51{
52 return !!((read_cpuid_id() & 0xffffffe0) == 0x69052e20);
53}
54
55static int is_ep80219(void)
56{
57 if (machine_is_ep80219() || force_ep80219)
58 return 1;
59 else
60 return 0;
61}
62
63
64
65
66
67static void __init iq31244_timer_init(void)
68{
69 if (is_ep80219()) {
70
71 iop_init_time(200000000);
72 } else {
73
74 iop_init_time(198000000);
75 }
76}
77
78
79
80
81
82static struct map_desc iq31244_io_desc[] __initdata = {
83 {
84 .virtual = IQ31244_UART,
85 .pfn = __phys_to_pfn(IQ31244_UART),
86 .length = 0x00100000,
87 .type = MT_DEVICE,
88 },
89};
90
91void __init iq31244_map_io(void)
92{
93 iop3xx_map_io();
94 iotable_init(iq31244_io_desc, ARRAY_SIZE(iq31244_io_desc));
95}
96
97
98
99
100
101static int __init
102ep80219_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
103{
104 int irq;
105
106 if (slot == 0) {
107
108 irq = IRQ_IOP32X_XINT1;
109 } else if (slot == 1) {
110
111 irq = IRQ_IOP32X_XINT0;
112 } else if (slot == 2) {
113
114 irq = IRQ_IOP32X_XINT3;
115 } else if (slot == 3) {
116
117 irq = IRQ_IOP32X_XINT2;
118 } else {
119 printk(KERN_ERR "ep80219_pci_map_irq() called for unknown "
120 "device PCI:%d:%d:%d\n", dev->bus->number,
121 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
122 irq = -1;
123 }
124
125 return irq;
126}
127
128static struct hw_pci ep80219_pci __initdata = {
129 .nr_controllers = 1,
130 .ops = &iop3xx_ops,
131 .setup = iop3xx_pci_setup,
132 .preinit = iop3xx_pci_preinit,
133 .map_irq = ep80219_pci_map_irq,
134};
135
136static int __init
137iq31244_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
138{
139 int irq;
140
141 if (slot == 0) {
142
143 irq = IRQ_IOP32X_XINT1;
144 } else if (slot == 1) {
145
146 irq = IRQ_IOP32X_XINT2;
147 } else if (slot == 2) {
148
149 irq = IRQ_IOP32X_XINT3;
150 } else if (slot == 3) {
151
152 irq = IRQ_IOP32X_XINT0;
153 } else {
154 printk(KERN_ERR "iq31244_pci_map_irq called for unknown "
155 "device PCI:%d:%d:%d\n", dev->bus->number,
156 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
157 irq = -1;
158 }
159
160 return irq;
161}
162
163static struct hw_pci iq31244_pci __initdata = {
164 .nr_controllers = 1,
165 .ops = &iop3xx_ops,
166 .setup = iop3xx_pci_setup,
167 .preinit = iop3xx_pci_preinit,
168 .map_irq = iq31244_pci_map_irq,
169};
170
171static int __init iq31244_pci_init(void)
172{
173 if (is_ep80219())
174 pci_common_init(&ep80219_pci);
175 else if (machine_is_iq31244()) {
176 if (is_80219()) {
177 printk("note: iq31244 board type has been selected\n");
178 printk("note: to select ep80219 operation:\n");
179 printk("\t1/ specify \"force_ep80219\" on the kernel"
180 " command line\n");
181 printk("\t2/ update boot loader to pass"
182 " the ep80219 id: %d\n", MACH_TYPE_EP80219);
183 }
184 pci_common_init(&iq31244_pci);
185 }
186
187 return 0;
188}
189
190subsys_initcall(iq31244_pci_init);
191
192
193
194
195
196static struct physmap_flash_data iq31244_flash_data = {
197 .width = 2,
198};
199
200static struct resource iq31244_flash_resource = {
201 .start = 0xf0000000,
202 .end = 0xf07fffff,
203 .flags = IORESOURCE_MEM,
204};
205
206static struct platform_device iq31244_flash_device = {
207 .name = "physmap-flash",
208 .id = 0,
209 .dev = {
210 .platform_data = &iq31244_flash_data,
211 },
212 .num_resources = 1,
213 .resource = &iq31244_flash_resource,
214};
215
216static struct plat_serial8250_port iq31244_serial_port[] = {
217 {
218 .mapbase = IQ31244_UART,
219 .membase = (char *)IQ31244_UART,
220 .irq = IRQ_IOP32X_XINT1,
221 .flags = UPF_SKIP_TEST,
222 .iotype = UPIO_MEM,
223 .regshift = 0,
224 .uartclk = 1843200,
225 },
226 { },
227};
228
229static struct resource iq31244_uart_resource = {
230 .start = IQ31244_UART,
231 .end = IQ31244_UART + 7,
232 .flags = IORESOURCE_MEM,
233};
234
235static struct platform_device iq31244_serial_device = {
236 .name = "serial8250",
237 .id = PLAT8250_DEV_PLATFORM,
238 .dev = {
239 .platform_data = iq31244_serial_port,
240 },
241 .num_resources = 1,
242 .resource = &iq31244_uart_resource,
243};
244
245
246
247
248
249
250void ep80219_power_off(void)
251{
252
253
254
255 *IOP3XX_IDBR1 = 0x60;
256 *IOP3XX_ICR1 = 0xE9;
257 mdelay(1);
258
259
260
261
262 *IOP3XX_IDBR1 = 0x0F;
263 *IOP3XX_ICR1 = 0xE8;
264 mdelay(1);
265
266
267
268
269
270 *IOP3XX_IDBR1 = 0x03;
271 *IOP3XX_ICR1 = 0xE8;
272 mdelay(1);
273
274
275
276
277 *IOP3XX_IDBR1 = 0x00;
278 *IOP3XX_ICR1 = 0xEA;
279
280 while (1)
281 ;
282}
283
284static void __init iq31244_init_machine(void)
285{
286 platform_device_register(&iop3xx_i2c0_device);
287 platform_device_register(&iop3xx_i2c1_device);
288 platform_device_register(&iq31244_flash_device);
289 platform_device_register(&iq31244_serial_device);
290 platform_device_register(&iop3xx_dma_0_channel);
291 platform_device_register(&iop3xx_dma_1_channel);
292
293 if (is_ep80219())
294 pm_power_off = ep80219_power_off;
295
296 if (!is_80219())
297 platform_device_register(&iop3xx_aau_channel);
298}
299
300static int __init force_ep80219_setup(char *str)
301{
302 force_ep80219 = 1;
303 return 1;
304}
305
306__setup("force_ep80219", force_ep80219_setup);
307
308MACHINE_START(IQ31244, "Intel IQ31244")
309
310 .atag_offset = 0x100,
311 .map_io = iq31244_map_io,
312 .init_irq = iop32x_init_irq,
313 .init_time = iq31244_timer_init,
314 .init_machine = iq31244_init_machine,
315 .restart = iop3xx_restart,
316MACHINE_END
317
318
319
320
321
322
323MACHINE_START(EP80219, "Intel EP80219")
324
325 .atag_offset = 0x100,
326 .map_io = iq31244_map_io,
327 .init_irq = iop32x_init_irq,
328 .init_time = iq31244_timer_init,
329 .init_machine = iq31244_init_machine,
330 .restart = iop3xx_restart,
331MACHINE_END
332