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/serial_core.h>
27#include <linux/serial_8250.h>
28#include <linux/mtd/physmap.h>
29#include <linux/i2c.h>
30#include <linux/platform_device.h>
31#include <linux/reboot.h>
32#include <linux/io.h>
33#include <mach/hardware.h>
34#include <asm/irq.h>
35#include <asm/mach/arch.h>
36#include <asm/mach/map.h>
37#include <asm/mach/pci.h>
38#include <asm/mach/time.h>
39#include <asm/mach-types.h>
40#include <asm/page.h>
41#include <asm/pgtable.h>
42#include <mach/time.h>
43
44
45
46
47static void __init n2100_timer_init(void)
48{
49
50 iop_init_time(198000000);
51}
52
53
54
55
56
57static struct map_desc n2100_io_desc[] __initdata = {
58 {
59 .virtual = N2100_UART,
60 .pfn = __phys_to_pfn(N2100_UART),
61 .length = 0x00100000,
62 .type = MT_DEVICE
63 },
64};
65
66void __init n2100_map_io(void)
67{
68 iop3xx_map_io();
69 iotable_init(n2100_io_desc, ARRAY_SIZE(n2100_io_desc));
70}
71
72
73
74
75
76static int __init
77n2100_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
78{
79 int irq;
80
81 if (PCI_SLOT(dev->devfn) == 1) {
82
83 irq = IRQ_IOP32X_XINT0;
84 } else if (PCI_SLOT(dev->devfn) == 2) {
85
86 irq = IRQ_IOP32X_XINT3;
87 } else if (PCI_SLOT(dev->devfn) == 3) {
88
89 irq = IRQ_IOP32X_XINT2;
90 } else if (PCI_SLOT(dev->devfn) == 4 && pin == 1) {
91
92 irq = IRQ_IOP32X_XINT1;
93 } else if (PCI_SLOT(dev->devfn) == 4 && pin == 2) {
94
95 irq = IRQ_IOP32X_XINT0;
96 } else if (PCI_SLOT(dev->devfn) == 4 && pin == 3) {
97
98 irq = IRQ_IOP32X_XINT2;
99 } else if (PCI_SLOT(dev->devfn) == 5) {
100
101 irq = IRQ_IOP32X_XINT3;
102 } else {
103 printk(KERN_ERR "n2100_pci_map_irq() called for unknown "
104 "device PCI:%d:%d:%d\n", dev->bus->number,
105 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
106 irq = -1;
107 }
108
109 return irq;
110}
111
112static struct hw_pci n2100_pci __initdata = {
113 .nr_controllers = 1,
114 .ops = &iop3xx_ops,
115 .setup = iop3xx_pci_setup,
116 .preinit = iop3xx_pci_preinit,
117 .map_irq = n2100_pci_map_irq,
118};
119
120
121
122
123
124
125static void n2100_fixup_r8169(struct pci_dev *dev)
126{
127 if (dev->bus->number == 0 &&
128 (dev->devfn == PCI_DEVFN(1, 0) ||
129 dev->devfn == PCI_DEVFN(2, 0)))
130 dev->broken_parity_status = 1;
131}
132DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REALTEK, PCI_ANY_ID, n2100_fixup_r8169);
133
134static int __init n2100_pci_init(void)
135{
136 if (machine_is_n2100())
137 pci_common_init(&n2100_pci);
138
139 return 0;
140}
141
142subsys_initcall(n2100_pci_init);
143
144
145
146
147
148static struct physmap_flash_data n2100_flash_data = {
149 .width = 2,
150};
151
152static struct resource n2100_flash_resource = {
153 .start = 0xf0000000,
154 .end = 0xf0ffffff,
155 .flags = IORESOURCE_MEM,
156};
157
158static struct platform_device n2100_flash_device = {
159 .name = "physmap-flash",
160 .id = 0,
161 .dev = {
162 .platform_data = &n2100_flash_data,
163 },
164 .num_resources = 1,
165 .resource = &n2100_flash_resource,
166};
167
168
169static struct plat_serial8250_port n2100_serial_port[] = {
170 {
171 .mapbase = N2100_UART,
172 .membase = (char *)N2100_UART,
173 .irq = 0,
174 .flags = UPF_SKIP_TEST | UPF_AUTO_IRQ | UPF_SHARE_IRQ,
175 .iotype = UPIO_MEM,
176 .regshift = 0,
177 .uartclk = 1843200,
178 },
179 { },
180};
181
182static struct resource n2100_uart_resource = {
183 .start = N2100_UART,
184 .end = N2100_UART + 7,
185 .flags = IORESOURCE_MEM,
186};
187
188static struct platform_device n2100_serial_device = {
189 .name = "serial8250",
190 .id = PLAT8250_DEV_PLATFORM,
191 .dev = {
192 .platform_data = n2100_serial_port,
193 },
194 .num_resources = 1,
195 .resource = &n2100_uart_resource,
196};
197
198static struct f75375s_platform_data n2100_f75375s = {
199 .pwm = { 255, 255 },
200 .pwm_enable = { 0, 0 },
201};
202
203static struct pca9532_platform_data n2100_leds = {
204 .leds = {
205 { .name = "n2100:red:satafail0",
206 .state = PCA9532_OFF,
207 .type = PCA9532_TYPE_LED,
208 },
209 { .name = "n2100:red:satafail1",
210 .state = PCA9532_OFF,
211 .type = PCA9532_TYPE_LED,
212 },
213 { .name = "n2100:blue:usb",
214 .state = PCA9532_OFF,
215 .type = PCA9532_TYPE_LED,
216 },
217 { .type = PCA9532_TYPE_NONE },
218
219 { .type = PCA9532_TYPE_NONE },
220 { .type = PCA9532_TYPE_NONE },
221 { .type = PCA9532_TYPE_NONE },
222 { .name = "n2100:red:usb",
223 .state = PCA9532_OFF,
224 .type = PCA9532_TYPE_LED,
225 },
226
227 { .type = PCA9532_TYPE_NONE },
228 { .type = PCA9532_TYPE_NONE },
229 { .type = PCA9532_TYPE_NONE },
230 { .type = PCA9532_TYPE_NONE },
231
232 { .type = PCA9532_TYPE_NONE },
233 { .name = "n2100:orange:system",
234 .state = PCA9532_OFF,
235 .type = PCA9532_TYPE_LED,
236 },
237 { .name = "n2100:red:system",
238 .state = PCA9532_OFF,
239 .type = PCA9532_TYPE_LED,
240 },
241 { .name = "N2100 beeper" ,
242 .state = PCA9532_OFF,
243 .type = PCA9532_TYPE_N2100_BEEP,
244 },
245 },
246 .psc = { 0, 0 },
247 .pwm = { 0, 0 },
248};
249
250static struct i2c_board_info __initdata n2100_i2c_devices[] = {
251 {
252 I2C_BOARD_INFO("rs5c372b", 0x32),
253 },
254 {
255 I2C_BOARD_INFO("f75375", 0x2e),
256 .platform_data = &n2100_f75375s,
257 },
258 {
259 I2C_BOARD_INFO("pca9532", 0x60),
260 .platform_data = &n2100_leds,
261 },
262};
263
264
265
266
267static void n2100_power_off(void)
268{
269 local_irq_disable();
270
271
272 *IOP3XX_IDBR0 = 0xc0;
273 *IOP3XX_ICR0 = 0xe9;
274 mdelay(1);
275
276
277 *IOP3XX_IDBR0 = 0x08;
278 *IOP3XX_ICR0 = 0xe8;
279 mdelay(1);
280
281
282 *IOP3XX_IDBR0 = 0x01;
283 *IOP3XX_ICR0 = 0xea;
284
285 while (1)
286 ;
287}
288
289static void n2100_restart(enum reboot_mode mode, const char *cmd)
290{
291 gpio_line_set(N2100_HARDWARE_RESET, GPIO_LOW);
292 gpio_line_config(N2100_HARDWARE_RESET, GPIO_OUT);
293 while (1)
294 ;
295}
296
297
298static struct timer_list power_button_poll_timer;
299
300static void power_button_poll(unsigned long dummy)
301{
302 if (gpio_line_get(N2100_POWER_BUTTON) == 0) {
303 ctrl_alt_del();
304 return;
305 }
306
307 power_button_poll_timer.expires = jiffies + (HZ / 10);
308 add_timer(&power_button_poll_timer);
309}
310
311
312static void __init n2100_init_machine(void)
313{
314 platform_device_register(&iop3xx_i2c0_device);
315 platform_device_register(&n2100_flash_device);
316 platform_device_register(&n2100_serial_device);
317 platform_device_register(&iop3xx_dma_0_channel);
318 platform_device_register(&iop3xx_dma_1_channel);
319
320 i2c_register_board_info(0, n2100_i2c_devices,
321 ARRAY_SIZE(n2100_i2c_devices));
322
323 pm_power_off = n2100_power_off;
324
325 init_timer(&power_button_poll_timer);
326 power_button_poll_timer.function = power_button_poll;
327 power_button_poll_timer.expires = jiffies + (HZ / 10);
328 add_timer(&power_button_poll_timer);
329}
330
331MACHINE_START(N2100, "Thecus N2100")
332
333 .atag_offset = 0x100,
334 .map_io = n2100_map_io,
335 .init_irq = iop32x_init_irq,
336 .init_time = n2100_timer_init,
337 .init_machine = n2100_init_machine,
338 .restart = n2100_restart,
339MACHINE_END
340
