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10#include <linux/gpio.h>
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/platform_device.h>
14#include <linux/pci.h>
15#include <linux/irq.h>
16#include <linux/delay.h>
17#include <linux/mtd/physmap.h>
18#include <linux/mtd/nand.h>
19#include <linux/mv643xx_eth.h>
20#include <linux/i2c.h>
21#include <linux/serial_reg.h>
22#include <linux/ata_platform.h>
23#include <asm/mach-types.h>
24#include <asm/mach/arch.h>
25#include <asm/mach/pci.h>
26#include <linux/platform_data/mtd-orion_nand.h>
27#include "common.h"
28#include "mpp.h"
29#include "orion5x.h"
30
31
32
33
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36
37
38
39#define KUROBOX_PRO_NOR_BOOT_BASE 0xf4000000
40#define KUROBOX_PRO_NOR_BOOT_SIZE SZ_256K
41
42
43
44
45
46#define KUROBOX_PRO_NAND_BASE 0xfc000000
47#define KUROBOX_PRO_NAND_SIZE SZ_2M
48
49
50
51
52
53static struct mtd_partition kurobox_pro_nand_parts[] = {
54 {
55 .name = "uImage",
56 .offset = 0,
57 .size = SZ_4M,
58 }, {
59 .name = "rootfs",
60 .offset = SZ_4M,
61 .size = SZ_64M,
62 }, {
63 .name = "extra",
64 .offset = SZ_4M + SZ_64M,
65 .size = SZ_256M - (SZ_4M + SZ_64M),
66 },
67};
68
69static struct resource kurobox_pro_nand_resource = {
70 .flags = IORESOURCE_MEM,
71 .start = KUROBOX_PRO_NAND_BASE,
72 .end = KUROBOX_PRO_NAND_BASE + KUROBOX_PRO_NAND_SIZE - 1,
73};
74
75static struct orion_nand_data kurobox_pro_nand_data = {
76 .parts = kurobox_pro_nand_parts,
77 .nr_parts = ARRAY_SIZE(kurobox_pro_nand_parts),
78 .cle = 0,
79 .ale = 1,
80 .width = 8,
81};
82
83static struct platform_device kurobox_pro_nand_flash = {
84 .name = "orion_nand",
85 .id = -1,
86 .dev = {
87 .platform_data = &kurobox_pro_nand_data,
88 },
89 .resource = &kurobox_pro_nand_resource,
90 .num_resources = 1,
91};
92
93
94
95
96
97static struct physmap_flash_data kurobox_pro_nor_flash_data = {
98 .width = 1,
99};
100
101static struct resource kurobox_pro_nor_flash_resource = {
102 .flags = IORESOURCE_MEM,
103 .start = KUROBOX_PRO_NOR_BOOT_BASE,
104 .end = KUROBOX_PRO_NOR_BOOT_BASE + KUROBOX_PRO_NOR_BOOT_SIZE - 1,
105};
106
107static struct platform_device kurobox_pro_nor_flash = {
108 .name = "physmap-flash",
109 .id = 0,
110 .dev = {
111 .platform_data = &kurobox_pro_nor_flash_data,
112 },
113 .num_resources = 1,
114 .resource = &kurobox_pro_nor_flash_resource,
115};
116
117
118
119
120
121static int __init kurobox_pro_pci_map_irq(const struct pci_dev *dev, u8 slot,
122 u8 pin)
123{
124 int irq;
125
126
127
128
129 irq = orion5x_pci_map_irq(dev, slot, pin);
130 if (irq != -1)
131 return irq;
132
133
134
135
136 return -1;
137}
138
139static struct hw_pci kurobox_pro_pci __initdata = {
140 .nr_controllers = 2,
141 .setup = orion5x_pci_sys_setup,
142 .scan = orion5x_pci_sys_scan_bus,
143 .map_irq = kurobox_pro_pci_map_irq,
144};
145
146static int __init kurobox_pro_pci_init(void)
147{
148 if (machine_is_kurobox_pro()) {
149 orion5x_pci_disable();
150 pci_common_init(&kurobox_pro_pci);
151 }
152
153 return 0;
154}
155
156subsys_initcall(kurobox_pro_pci_init);
157
158
159
160
161
162static struct mv643xx_eth_platform_data kurobox_pro_eth_data = {
163 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
164};
165
166
167
168
169static struct i2c_board_info __initdata kurobox_pro_i2c_rtc = {
170 I2C_BOARD_INFO("rs5c372a", 0x32),
171};
172
173
174
175
176static struct mv_sata_platform_data kurobox_pro_sata_data = {
177 .n_ports = 2,
178};
179
180
181
182
183
184#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
185
186static int kurobox_pro_miconread(unsigned char *buf, int count)
187{
188 int i;
189 int timeout;
190
191 for (i = 0; i < count; i++) {
192 timeout = 10;
193
194 while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) {
195 if (--timeout == 0)
196 break;
197 udelay(1000);
198 }
199
200 if (timeout == 0)
201 break;
202 buf[i] = readl(UART1_REG(RX));
203 }
204
205
206 return i;
207}
208
209static int kurobox_pro_miconwrite(const unsigned char *buf, int count)
210{
211 int i = 0;
212
213 while (count--) {
214 while (!(readl(UART1_REG(LSR)) & UART_LSR_THRE))
215 barrier();
216 writel(buf[i++], UART1_REG(TX));
217 }
218
219 return 0;
220}
221
222static int kurobox_pro_miconsend(const unsigned char *data, int count)
223{
224 int i;
225 unsigned char checksum = 0;
226 unsigned char recv_buf[40];
227 unsigned char send_buf[40];
228 unsigned char correct_ack[3];
229 int retry = 2;
230
231
232 for (i = 0; i < count; i++)
233 checksum -= data[i];
234
235 do {
236
237 kurobox_pro_miconwrite(data, count);
238
239
240 kurobox_pro_miconwrite(&checksum, 1);
241
242 if (kurobox_pro_miconread(recv_buf, sizeof(recv_buf)) <= 3) {
243 printk(KERN_ERR ">%s: receive failed.\n", __func__);
244
245
246 memset(&send_buf, 0xff, sizeof(send_buf));
247 kurobox_pro_miconwrite(send_buf, sizeof(send_buf));
248
249
250 mdelay(100);
251 kurobox_pro_miconread(recv_buf, sizeof(recv_buf));
252 } else {
253
254 correct_ack[0] = 0x01;
255 correct_ack[1] = data[1];
256 correct_ack[2] = 0x00;
257
258
259 if ((recv_buf[0] + recv_buf[1] + recv_buf[2] +
260 recv_buf[3]) & 0xFF) {
261 printk(KERN_ERR ">%s: Checksum Error : "
262 "Received data[%02x, %02x, %02x, %02x]"
263 "\n", __func__, recv_buf[0],
264 recv_buf[1], recv_buf[2], recv_buf[3]);
265 } else {
266
267 if (correct_ack[0] == recv_buf[0] &&
268 correct_ack[1] == recv_buf[1] &&
269 correct_ack[2] == recv_buf[2]) {
270
271 mdelay(10);
272
273
274 return 0;
275 }
276 }
277
278 printk(KERN_ERR ">%s: Error : NAK or Illegal Data "
279 "Received\n", __func__);
280 }
281 } while (retry--);
282
283
284 mdelay(10);
285
286 return -1;
287}
288
289static void kurobox_pro_power_off(void)
290{
291 const unsigned char watchdogkill[] = {0x01, 0x35, 0x00};
292 const unsigned char shutdownwait[] = {0x00, 0x0c};
293 const unsigned char poweroff[] = {0x00, 0x06};
294
295 const unsigned divisor = ((orion5x_tclk + (8 * 38400)) / (16 * 38400));
296
297 pr_info("%s: triggering power-off...\n", __func__);
298
299
300 writel(0x83, UART1_REG(LCR));
301 writel(divisor & 0xff, UART1_REG(DLL));
302 writel((divisor >> 8) & 0xff, UART1_REG(DLM));
303 writel(0x1b, UART1_REG(LCR));
304 writel(0x00, UART1_REG(IER));
305 writel(0x07, UART1_REG(FCR));
306 writel(0x00, UART1_REG(MCR));
307
308
309 kurobox_pro_miconsend(watchdogkill, sizeof(watchdogkill)) ;
310 kurobox_pro_miconsend(shutdownwait, sizeof(shutdownwait)) ;
311 kurobox_pro_miconsend(poweroff, sizeof(poweroff));
312}
313
314
315
316
317static unsigned int kurobox_pro_mpp_modes[] __initdata = {
318 MPP0_UNUSED,
319 MPP1_UNUSED,
320 MPP2_GPIO,
321 MPP3_GPIO,
322 MPP4_UNUSED,
323 MPP5_UNUSED,
324 MPP6_NAND,
325 MPP7_NAND,
326 MPP8_UNUSED,
327 MPP9_UNUSED,
328 MPP10_UNUSED,
329 MPP11_UNUSED,
330 MPP12_SATA_LED,
331 MPP13_SATA_LED,
332 MPP14_SATA_LED,
333 MPP15_SATA_LED,
334 MPP16_UART,
335 MPP17_UART,
336 MPP18_UART,
337 MPP19_UART,
338 0,
339};
340
341static void __init kurobox_pro_init(void)
342{
343
344
345
346 orion5x_init();
347
348 orion5x_mpp_conf(kurobox_pro_mpp_modes);
349
350
351
352
353 orion5x_ehci0_init();
354 orion5x_ehci1_init();
355 orion5x_eth_init(&kurobox_pro_eth_data);
356 orion5x_i2c_init();
357 orion5x_sata_init(&kurobox_pro_sata_data);
358 orion5x_uart0_init();
359 orion5x_uart1_init();
360 orion5x_xor_init();
361
362 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
363 ORION_MBUS_DEVBUS_BOOT_ATTR,
364 KUROBOX_PRO_NOR_BOOT_BASE,
365 KUROBOX_PRO_NOR_BOOT_SIZE);
366 platform_device_register(&kurobox_pro_nor_flash);
367
368 if (machine_is_kurobox_pro()) {
369 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_TARGET(0),
370 ORION_MBUS_DEVBUS_ATTR(0),
371 KUROBOX_PRO_NAND_BASE,
372 KUROBOX_PRO_NAND_SIZE);
373 platform_device_register(&kurobox_pro_nand_flash);
374 }
375
376 i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1);
377
378
379 pm_power_off = kurobox_pro_power_off;
380}
381
382#ifdef CONFIG_MACH_KUROBOX_PRO
383MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro")
384
385 .atag_offset = 0x100,
386 .nr_irqs = ORION5X_NR_IRQS,
387 .init_machine = kurobox_pro_init,
388 .map_io = orion5x_map_io,
389 .init_early = orion5x_init_early,
390 .init_irq = orion5x_init_irq,
391 .init_time = orion5x_timer_init,
392 .fixup = tag_fixup_mem32,
393 .restart = orion5x_restart,
394MACHINE_END
395#endif
396
397#ifdef CONFIG_MACH_LINKSTATION_PRO
398MACHINE_START(LINKSTATION_PRO, "Buffalo Linkstation Pro/Live")
399
400 .atag_offset = 0x100,
401 .nr_irqs = ORION5X_NR_IRQS,
402 .init_machine = kurobox_pro_init,
403 .map_io = orion5x_map_io,
404 .init_early = orion5x_init_early,
405 .init_irq = orion5x_init_irq,
406 .init_time = orion5x_timer_init,
407 .fixup = tag_fixup_mem32,
408 .restart = orion5x_restart,
409MACHINE_END
410#endif
411
