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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/slab.h>
25#include <linux/serial_core.h>
26#include <linux/serial_8250.h>
27#include <linux/mtd/physmap.h>
28#include <linux/platform_device.h>
29#include <asm/hardware.h>
30#include <asm/io.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 <asm/arch/time.h>
40
41
42
43
44
45
46
47
48static int force_ep80219;
49
50static int is_80219(void)
51{
52 extern int processor_id;
53 return !!((processor_id & 0xffffffe0) == 0x69052e20);
54}
55
56static int is_ep80219(void)
57{
58 if (machine_is_ep80219() || force_ep80219)
59 return 1;
60 else
61 return 0;
62}
63
64
65
66
67
68static void __init iq31244_timer_init(void)
69{
70 if (is_ep80219()) {
71
72 iop_init_time(200000000);
73 } else {
74
75 iop_init_time(198000000);
76 }
77}
78
79static struct sys_timer iq31244_timer = {
80 .init = iq31244_timer_init,
81 .offset = iop_gettimeoffset,
82};
83
84
85
86
87
88static struct map_desc iq31244_io_desc[] __initdata = {
89 {
90 .virtual = IQ31244_UART,
91 .pfn = __phys_to_pfn(IQ31244_UART),
92 .length = 0x00100000,
93 .type = MT_DEVICE,
94 },
95};
96
97void __init iq31244_map_io(void)
98{
99 iop3xx_map_io();
100 iotable_init(iq31244_io_desc, ARRAY_SIZE(iq31244_io_desc));
101}
102
103
104
105
106
107static int __init
108ep80219_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
109{
110 int irq;
111
112 if (slot == 0) {
113
114 irq = IRQ_IOP32X_XINT1;
115 } else if (slot == 1) {
116
117 irq = IRQ_IOP32X_XINT0;
118 } else if (slot == 2) {
119
120 irq = IRQ_IOP32X_XINT3;
121 } else if (slot == 3) {
122
123 irq = IRQ_IOP32X_XINT2;
124 } else {
125 printk(KERN_ERR "ep80219_pci_map_irq() called for unknown "
126 "device PCI:%d:%d:%d\n", dev->bus->number,
127 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
128 irq = -1;
129 }
130
131 return irq;
132}
133
134static struct hw_pci ep80219_pci __initdata = {
135 .swizzle = pci_std_swizzle,
136 .nr_controllers = 1,
137 .setup = iop3xx_pci_setup,
138 .preinit = iop3xx_pci_preinit,
139 .scan = iop3xx_pci_scan_bus,
140 .map_irq = ep80219_pci_map_irq,
141};
142
143static int __init
144iq31244_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
145{
146 int irq;
147
148 if (slot == 0) {
149
150 irq = IRQ_IOP32X_XINT1;
151 } else if (slot == 1) {
152
153 irq = IRQ_IOP32X_XINT2;
154 } else if (slot == 2) {
155
156 irq = IRQ_IOP32X_XINT3;
157 } else if (slot == 3) {
158
159 irq = IRQ_IOP32X_XINT0;
160 } else {
161 printk(KERN_ERR "iq31244_pci_map_irq called for unknown "
162 "device PCI:%d:%d:%d\n", dev->bus->number,
163 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
164 irq = -1;
165 }
166
167 return irq;
168}
169
170static struct hw_pci iq31244_pci __initdata = {
171 .swizzle = pci_std_swizzle,
172 .nr_controllers = 1,
173 .setup = iop3xx_pci_setup,
174 .preinit = iop3xx_pci_preinit,
175 .scan = iop3xx_pci_scan_bus,
176 .map_irq = iq31244_pci_map_irq,
177};
178
179static int __init iq31244_pci_init(void)
180{
181 if (is_ep80219()) {
182 if (iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE)
183 pci_common_init(&ep80219_pci);
184 } else if (machine_is_iq31244()) {
185 if (is_80219()) {
186 printk("note: iq31244 board type has been selected\n");
187 printk("note: to select ep80219 operation:\n");
188 printk("\t1/ specify \"force_ep80219\" on the kernel"
189 " command line\n");
190 printk("\t2/ update boot loader to pass"
191 " the ep80219 id: %d\n", MACH_TYPE_EP80219);
192 }
193
194 if (iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE)
195 pci_common_init(&iq31244_pci);
196 }
197
198 return 0;
199}
200
201subsys_initcall(iq31244_pci_init);
202
203
204
205
206
207static struct physmap_flash_data iq31244_flash_data = {
208 .width = 2,
209};
210
211static struct resource iq31244_flash_resource = {
212 .start = 0xf0000000,
213 .end = 0xf07fffff,
214 .flags = IORESOURCE_MEM,
215};
216
217static struct platform_device iq31244_flash_device = {
218 .name = "physmap-flash",
219 .id = 0,
220 .dev = {
221 .platform_data = &iq31244_flash_data,
222 },
223 .num_resources = 1,
224 .resource = &iq31244_flash_resource,
225};
226
227static struct plat_serial8250_port iq31244_serial_port[] = {
228 {
229 .mapbase = IQ31244_UART,
230 .membase = (char *)IQ31244_UART,
231 .irq = IRQ_IOP32X_XINT1,
232 .flags = UPF_SKIP_TEST,
233 .iotype = UPIO_MEM,
234 .regshift = 0,
235 .uartclk = 1843200,
236 },
237 { },
238};
239
240static struct resource iq31244_uart_resource = {
241 .start = IQ31244_UART,
242 .end = IQ31244_UART + 7,
243 .flags = IORESOURCE_MEM,
244};
245
246static struct platform_device iq31244_serial_device = {
247 .name = "serial8250",
248 .id = PLAT8250_DEV_PLATFORM,
249 .dev = {
250 .platform_data = iq31244_serial_port,
251 },
252 .num_resources = 1,
253 .resource = &iq31244_uart_resource,
254};
255
256
257
258
259
260
261void ep80219_power_off(void)
262{
263
264
265
266 *IOP3XX_IDBR1 = 0x60;
267 *IOP3XX_ICR1 = 0xE9;
268 mdelay(1);
269
270
271
272
273 *IOP3XX_IDBR1 = 0x0F;
274 *IOP3XX_ICR1 = 0xE8;
275 mdelay(1);
276
277
278
279
280
281 *IOP3XX_IDBR1 = 0x03;
282 *IOP3XX_ICR1 = 0xE8;
283 mdelay(1);
284
285
286
287
288 *IOP3XX_IDBR1 = 0x00;
289 *IOP3XX_ICR1 = 0xEA;
290
291 while (1)
292 ;
293}
294
295static void __init iq31244_init_machine(void)
296{
297 platform_device_register(&iop3xx_i2c0_device);
298 platform_device_register(&iop3xx_i2c1_device);
299 platform_device_register(&iq31244_flash_device);
300 platform_device_register(&iq31244_serial_device);
301 platform_device_register(&iop3xx_dma_0_channel);
302 platform_device_register(&iop3xx_dma_1_channel);
303
304 if (is_ep80219())
305 pm_power_off = ep80219_power_off;
306
307 if (!is_80219())
308 platform_device_register(&iop3xx_aau_channel);
309}
310
311static int __init force_ep80219_setup(char *str)
312{
313 force_ep80219 = 1;
314 return 1;
315}
316
317__setup("force_ep80219", force_ep80219_setup);
318
319MACHINE_START(IQ31244, "Intel IQ31244")
320
321 .phys_io = IQ31244_UART,
322 .io_pg_offst = ((IQ31244_UART) >> 18) & 0xfffc,
323 .boot_params = 0xa0000100,
324 .map_io = iq31244_map_io,
325 .init_irq = iop32x_init_irq,
326 .timer = &iq31244_timer,
327 .init_machine = iq31244_init_machine,
328MACHINE_END
329
330
331
332
333
334
335MACHINE_START(EP80219, "Intel EP80219")
336
337 .phys_io = IQ31244_UART,
338 .io_pg_offst = ((IQ31244_UART) >> 18) & 0xfffc,
339 .boot_params = 0xa0000100,
340 .map_io = iq31244_map_io,
341 .init_irq = iop32x_init_irq,
342 .timer = &iq31244_timer,
343 .init_machine = iq31244_init_machine,
344MACHINE_END
345