1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17#include <linux/mm.h>
18#include <linux/init.h>
19#include <linux/f75375s.h>
20#include <linux/leds-pca9532.h>
21#include <linux/delay.h>
22#include <linux/kernel.h>
23#include <linux/pci.h>
24#include <linux/pm.h>
25#include <linux/string.h>
26#include <linux/slab.h>
27#include <linux/serial_core.h>
28#include <linux/serial_8250.h>
29#include <linux/mtd/physmap.h>
30#include <linux/i2c.h>
31#include <linux/platform_device.h>
32#include <linux/reboot.h>
33#include <linux/io.h>
34#include <mach/hardware.h>
35#include <asm/irq.h>
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
38#include <asm/mach/pci.h>
39#include <asm/mach/time.h>
40#include <asm/mach-types.h>
41#include <asm/page.h>
42#include <asm/pgtable.h>
43#include <mach/time.h>
44
45
46
47
48static void __init n2100_timer_init(void)
49{
50
51 iop_init_time(198000000);
52}
53
54static struct sys_timer n2100_timer = {
55 .init = n2100_timer_init,
56 .offset = iop_gettimeoffset,
57};
58
59
60
61
62
63static struct map_desc n2100_io_desc[] __initdata = {
64 {
65 .virtual = N2100_UART,
66 .pfn = __phys_to_pfn(N2100_UART),
67 .length = 0x00100000,
68 .type = MT_DEVICE
69 },
70};
71
72void __init n2100_map_io(void)
73{
74 iop3xx_map_io();
75 iotable_init(n2100_io_desc, ARRAY_SIZE(n2100_io_desc));
76}
77
78
79
80
81
82static int __init
83n2100_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
84{
85 int irq;
86
87 if (PCI_SLOT(dev->devfn) == 1) {
88
89 irq = IRQ_IOP32X_XINT0;
90 } else if (PCI_SLOT(dev->devfn) == 2) {
91
92 irq = IRQ_IOP32X_XINT3;
93 } else if (PCI_SLOT(dev->devfn) == 3) {
94
95 irq = IRQ_IOP32X_XINT2;
96 } else if (PCI_SLOT(dev->devfn) == 4 && pin == 1) {
97
98 irq = IRQ_IOP32X_XINT1;
99 } else if (PCI_SLOT(dev->devfn) == 4 && pin == 2) {
100
101 irq = IRQ_IOP32X_XINT0;
102 } else if (PCI_SLOT(dev->devfn) == 4 && pin == 3) {
103
104 irq = IRQ_IOP32X_XINT2;
105 } else if (PCI_SLOT(dev->devfn) == 5) {
106
107 irq = IRQ_IOP32X_XINT3;
108 } else {
109 printk(KERN_ERR "n2100_pci_map_irq() called for unknown "
110 "device PCI:%d:%d:%d\n", dev->bus->number,
111 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
112 irq = -1;
113 }
114
115 return irq;
116}
117
118static struct hw_pci n2100_pci __initdata = {
119 .swizzle = pci_std_swizzle,
120 .nr_controllers = 1,
121 .setup = iop3xx_pci_setup,
122 .preinit = iop3xx_pci_preinit,
123 .scan = iop3xx_pci_scan_bus,
124 .map_irq = n2100_pci_map_irq,
125};
126
127
128
129
130
131
132static void n2100_fixup_r8169(struct pci_dev *dev)
133{
134 if (dev->bus->number == 0 &&
135 (dev->devfn == PCI_DEVFN(1, 0) ||
136 dev->devfn == PCI_DEVFN(2, 0)))
137 dev->broken_parity_status = 1;
138}
139DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, PCI_ANY_ID, n2100_fixup_r8169);
140
141static int __init n2100_pci_init(void)
142{
143 if (machine_is_n2100())
144 pci_common_init(&n2100_pci);
145
146 return 0;
147}
148
149subsys_initcall(n2100_pci_init);
150
151
152
153
154
155static struct physmap_flash_data n2100_flash_data = {
156 .width = 2,
157};
158
159static struct resource n2100_flash_resource = {
160 .start = 0xf0000000,
161 .end = 0xf0ffffff,
162 .flags = IORESOURCE_MEM,
163};
164
165static struct platform_device n2100_flash_device = {
166 .name = "physmap-flash",
167 .id = 0,
168 .dev = {
169 .platform_data = &n2100_flash_data,
170 },
171 .num_resources = 1,
172 .resource = &n2100_flash_resource,
173};
174
175
176static struct plat_serial8250_port n2100_serial_port[] = {
177 {
178 .mapbase = N2100_UART,
179 .membase = (char *)N2100_UART,
180 .irq = 0,
181 .flags = UPF_SKIP_TEST,
182 .iotype = UPIO_MEM,
183 .regshift = 0,
184 .uartclk = 1843200,
185 },
186 { },
187};
188
189static struct resource n2100_uart_resource = {
190 .start = N2100_UART,
191 .end = N2100_UART + 7,
192 .flags = IORESOURCE_MEM,
193};
194
195static struct platform_device n2100_serial_device = {
196 .name = "serial8250",
197 .id = PLAT8250_DEV_PLATFORM,
198 .dev = {
199 .platform_data = n2100_serial_port,
200 },
201 .num_resources = 1,
202 .resource = &n2100_uart_resource,
203};
204
205static struct f75375s_platform_data n2100_f75375s = {
206 .pwm = { 255, 255 },
207 .pwm_enable = { 0, 0 },
208};
209
210static struct pca9532_platform_data n2100_leds = {
211 .leds = {
212 { .name = "n2100:red:satafail0",
213 .state = PCA9532_OFF,
214 .type = PCA9532_TYPE_LED,
215 },
216 { .name = "n2100:red:satafail1",
217 .state = PCA9532_OFF,
218 .type = PCA9532_TYPE_LED,
219 },
220 { .name = "n2100:blue:usb",
221 .state = PCA9532_OFF,
222 .type = PCA9532_TYPE_LED,
223 },
224 { .type = PCA9532_TYPE_NONE },
225
226 { .type = PCA9532_TYPE_NONE },
227 { .type = PCA9532_TYPE_NONE },
228 { .type = PCA9532_TYPE_NONE },
229 { .name = "n2100:red:usb",
230 .state = PCA9532_OFF,
231 .type = PCA9532_TYPE_LED,
232 },
233
234 { .type = PCA9532_TYPE_NONE },
235 { .type = PCA9532_TYPE_NONE },
236 { .type = PCA9532_TYPE_NONE },
237 { .type = PCA9532_TYPE_NONE },
238
239 { .type = PCA9532_TYPE_NONE },
240 { .name = "n2100:orange:system",
241 .state = PCA9532_OFF,
242 .type = PCA9532_TYPE_LED,
243 },
244 { .name = "n2100:red:system",
245 .state = PCA9532_OFF,
246 .type = PCA9532_TYPE_LED,
247 },
248 { .name = "N2100 beeper" ,
249 .state = PCA9532_OFF,
250 .type = PCA9532_TYPE_N2100_BEEP,
251 },
252 },
253 .psc = { 0, 0 },
254 .pwm = { 0, 0 },
255};
256
257static struct i2c_board_info __initdata n2100_i2c_devices[] = {
258 {
259 I2C_BOARD_INFO("rs5c372b", 0x32),
260 },
261 {
262 I2C_BOARD_INFO("f75375", 0x2e),
263 .platform_data = &n2100_f75375s,
264 },
265 {
266 I2C_BOARD_INFO("pca9532", 0x60),
267 .platform_data = &n2100_leds,
268 },
269};
270
271
272
273
274static void n2100_power_off(void)
275{
276 local_irq_disable();
277
278
279 *IOP3XX_IDBR0 = 0xc0;
280 *IOP3XX_ICR0 = 0xe9;
281 mdelay(1);
282
283
284 *IOP3XX_IDBR0 = 0x08;
285 *IOP3XX_ICR0 = 0xe8;
286 mdelay(1);
287
288
289 *IOP3XX_IDBR0 = 0x01;
290 *IOP3XX_ICR0 = 0xea;
291
292 while (1)
293 ;
294}
295
296
297static struct timer_list power_button_poll_timer;
298
299static void power_button_poll(unsigned long dummy)
300{
301 if (gpio_line_get(N2100_POWER_BUTTON) == 0) {
302 ctrl_alt_del();
303 return;
304 }
305
306 power_button_poll_timer.expires = jiffies + (HZ / 10);
307 add_timer(&power_button_poll_timer);
308}
309
310
311static void __init n2100_init_machine(void)
312{
313 platform_device_register(&iop3xx_i2c0_device);
314 platform_device_register(&n2100_flash_device);
315 platform_device_register(&n2100_serial_device);
316 platform_device_register(&iop3xx_dma_0_channel);
317 platform_device_register(&iop3xx_dma_1_channel);
318
319 i2c_register_board_info(0, n2100_i2c_devices,
320 ARRAY_SIZE(n2100_i2c_devices));
321
322 pm_power_off = n2100_power_off;
323
324 init_timer(&power_button_poll_timer);
325 power_button_poll_timer.function = power_button_poll;
326 power_button_poll_timer.expires = jiffies + (HZ / 10);
327 add_timer(&power_button_poll_timer);
328}
329
330MACHINE_START(N2100, "Thecus N2100")
331
332 .phys_io = N2100_UART,
333 .io_pg_offst = ((N2100_UART) >> 18) & 0xfffc,
334 .boot_params = 0xa0000100,
335 .map_io = n2100_map_io,
336 .init_irq = iop32x_init_irq,
337 .timer = &n2100_timer,
338 .init_machine = n2100_init_machine,
339MACHINE_END
340
