Linux 3.11-rc3
[cris-mirror.git] / arch / mips / cavium-octeon / octeon-platform.c
blob1830874ff1e24e4ddab1150e438edbb6342cc000
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
6 * Copyright (C) 2004-2011 Cavium Networks
7 * Copyright (C) 2008 Wind River Systems
8 */
10 #include <linux/init.h>
11 #include <linux/irq.h>
12 #include <linux/i2c.h>
13 #include <linux/usb.h>
14 #include <linux/dma-mapping.h>
15 #include <linux/module.h>
16 #include <linux/slab.h>
17 #include <linux/platform_device.h>
18 #include <linux/of_platform.h>
19 #include <linux/of_fdt.h>
20 #include <linux/libfdt.h>
22 #include <asm/octeon/octeon.h>
23 #include <asm/octeon/cvmx-rnm-defs.h>
24 #include <asm/octeon/cvmx-helper.h>
25 #include <asm/octeon/cvmx-helper-board.h>
27 /* Octeon Random Number Generator. */
28 static int __init octeon_rng_device_init(void)
30 struct platform_device *pd;
31 int ret = 0;
33 struct resource rng_resources[] = {
35 .flags = IORESOURCE_MEM,
36 .start = XKPHYS_TO_PHYS(CVMX_RNM_CTL_STATUS),
37 .end = XKPHYS_TO_PHYS(CVMX_RNM_CTL_STATUS) + 0xf
38 }, {
39 .flags = IORESOURCE_MEM,
40 .start = cvmx_build_io_address(8, 0),
41 .end = cvmx_build_io_address(8, 0) + 0x7
45 pd = platform_device_alloc("octeon_rng", -1);
46 if (!pd) {
47 ret = -ENOMEM;
48 goto out;
51 ret = platform_device_add_resources(pd, rng_resources,
52 ARRAY_SIZE(rng_resources));
53 if (ret)
54 goto fail;
56 ret = platform_device_add(pd);
57 if (ret)
58 goto fail;
60 return ret;
61 fail:
62 platform_device_put(pd);
64 out:
65 return ret;
67 device_initcall(octeon_rng_device_init);
69 #ifdef CONFIG_USB
71 static int __init octeon_ehci_device_init(void)
73 struct platform_device *pd;
74 int ret = 0;
76 struct resource usb_resources[] = {
78 .flags = IORESOURCE_MEM,
79 }, {
80 .flags = IORESOURCE_IRQ,
84 /* Only Octeon2 has ehci/ohci */
85 if (!OCTEON_IS_MODEL(OCTEON_CN63XX))
86 return 0;
88 if (octeon_is_simulation() || usb_disabled())
89 return 0; /* No USB in the simulator. */
91 pd = platform_device_alloc("octeon-ehci", 0);
92 if (!pd) {
93 ret = -ENOMEM;
94 goto out;
97 usb_resources[0].start = 0x00016F0000000000ULL;
98 usb_resources[0].end = usb_resources[0].start + 0x100;
100 usb_resources[1].start = OCTEON_IRQ_USB0;
101 usb_resources[1].end = OCTEON_IRQ_USB0;
103 ret = platform_device_add_resources(pd, usb_resources,
104 ARRAY_SIZE(usb_resources));
105 if (ret)
106 goto fail;
108 ret = platform_device_add(pd);
109 if (ret)
110 goto fail;
112 return ret;
113 fail:
114 platform_device_put(pd);
115 out:
116 return ret;
118 device_initcall(octeon_ehci_device_init);
120 static int __init octeon_ohci_device_init(void)
122 struct platform_device *pd;
123 int ret = 0;
125 struct resource usb_resources[] = {
127 .flags = IORESOURCE_MEM,
128 }, {
129 .flags = IORESOURCE_IRQ,
133 /* Only Octeon2 has ehci/ohci */
134 if (!OCTEON_IS_MODEL(OCTEON_CN63XX))
135 return 0;
137 if (octeon_is_simulation() || usb_disabled())
138 return 0; /* No USB in the simulator. */
140 pd = platform_device_alloc("octeon-ohci", 0);
141 if (!pd) {
142 ret = -ENOMEM;
143 goto out;
146 usb_resources[0].start = 0x00016F0000000400ULL;
147 usb_resources[0].end = usb_resources[0].start + 0x100;
149 usb_resources[1].start = OCTEON_IRQ_USB0;
150 usb_resources[1].end = OCTEON_IRQ_USB0;
152 ret = platform_device_add_resources(pd, usb_resources,
153 ARRAY_SIZE(usb_resources));
154 if (ret)
155 goto fail;
157 ret = platform_device_add(pd);
158 if (ret)
159 goto fail;
161 return ret;
162 fail:
163 platform_device_put(pd);
164 out:
165 return ret;
167 device_initcall(octeon_ohci_device_init);
169 #endif /* CONFIG_USB */
171 static struct of_device_id __initdata octeon_ids[] = {
172 { .compatible = "simple-bus", },
173 { .compatible = "cavium,octeon-6335-uctl", },
174 { .compatible = "cavium,octeon-3860-bootbus", },
175 { .compatible = "cavium,mdio-mux", },
176 { .compatible = "gpio-leds", },
180 static bool __init octeon_has_88e1145(void)
182 return !OCTEON_IS_MODEL(OCTEON_CN52XX) &&
183 !OCTEON_IS_MODEL(OCTEON_CN6XXX) &&
184 !OCTEON_IS_MODEL(OCTEON_CN56XX);
187 static void __init octeon_fdt_set_phy(int eth, int phy_addr)
189 const __be32 *phy_handle;
190 const __be32 *alt_phy_handle;
191 const __be32 *reg;
192 u32 phandle;
193 int phy;
194 int alt_phy;
195 const char *p;
196 int current_len;
197 char new_name[20];
199 phy_handle = fdt_getprop(initial_boot_params, eth, "phy-handle", NULL);
200 if (!phy_handle)
201 return;
203 phandle = be32_to_cpup(phy_handle);
204 phy = fdt_node_offset_by_phandle(initial_boot_params, phandle);
206 alt_phy_handle = fdt_getprop(initial_boot_params, eth, "cavium,alt-phy-handle", NULL);
207 if (alt_phy_handle) {
208 u32 alt_phandle = be32_to_cpup(alt_phy_handle);
209 alt_phy = fdt_node_offset_by_phandle(initial_boot_params, alt_phandle);
210 } else {
211 alt_phy = -1;
214 if (phy_addr < 0 || phy < 0) {
215 /* Delete the PHY things */
216 fdt_nop_property(initial_boot_params, eth, "phy-handle");
217 /* This one may fail */
218 fdt_nop_property(initial_boot_params, eth, "cavium,alt-phy-handle");
219 if (phy >= 0)
220 fdt_nop_node(initial_boot_params, phy);
221 if (alt_phy >= 0)
222 fdt_nop_node(initial_boot_params, alt_phy);
223 return;
226 if (phy_addr >= 256 && alt_phy > 0) {
227 const struct fdt_property *phy_prop;
228 struct fdt_property *alt_prop;
229 u32 phy_handle_name;
231 /* Use the alt phy node instead.*/
232 phy_prop = fdt_get_property(initial_boot_params, eth, "phy-handle", NULL);
233 phy_handle_name = phy_prop->nameoff;
234 fdt_nop_node(initial_boot_params, phy);
235 fdt_nop_property(initial_boot_params, eth, "phy-handle");
236 alt_prop = fdt_get_property_w(initial_boot_params, eth, "cavium,alt-phy-handle", NULL);
237 alt_prop->nameoff = phy_handle_name;
238 phy = alt_phy;
241 phy_addr &= 0xff;
243 if (octeon_has_88e1145()) {
244 fdt_nop_property(initial_boot_params, phy, "marvell,reg-init");
245 memset(new_name, 0, sizeof(new_name));
246 strcpy(new_name, "marvell,88e1145");
247 p = fdt_getprop(initial_boot_params, phy, "compatible",
248 &current_len);
249 if (p && current_len >= strlen(new_name))
250 fdt_setprop_inplace(initial_boot_params, phy,
251 "compatible", new_name, current_len);
254 reg = fdt_getprop(initial_boot_params, phy, "reg", NULL);
255 if (phy_addr == be32_to_cpup(reg))
256 return;
258 fdt_setprop_inplace_cell(initial_boot_params, phy, "reg", phy_addr);
260 snprintf(new_name, sizeof(new_name), "ethernet-phy@%x", phy_addr);
262 p = fdt_get_name(initial_boot_params, phy, &current_len);
263 if (p && current_len == strlen(new_name))
264 fdt_set_name(initial_boot_params, phy, new_name);
265 else
266 pr_err("Error: could not rename ethernet phy: <%s>", p);
269 static void __init octeon_fdt_set_mac_addr(int n, u64 *pmac)
271 u8 new_mac[6];
272 u64 mac = *pmac;
273 int r;
275 new_mac[0] = (mac >> 40) & 0xff;
276 new_mac[1] = (mac >> 32) & 0xff;
277 new_mac[2] = (mac >> 24) & 0xff;
278 new_mac[3] = (mac >> 16) & 0xff;
279 new_mac[4] = (mac >> 8) & 0xff;
280 new_mac[5] = mac & 0xff;
282 r = fdt_setprop_inplace(initial_boot_params, n, "local-mac-address",
283 new_mac, sizeof(new_mac));
285 if (r) {
286 pr_err("Setting \"local-mac-address\" failed %d", r);
287 return;
289 *pmac = mac + 1;
292 static void __init octeon_fdt_rm_ethernet(int node)
294 const __be32 *phy_handle;
296 phy_handle = fdt_getprop(initial_boot_params, node, "phy-handle", NULL);
297 if (phy_handle) {
298 u32 ph = be32_to_cpup(phy_handle);
299 int p = fdt_node_offset_by_phandle(initial_boot_params, ph);
300 if (p >= 0)
301 fdt_nop_node(initial_boot_params, p);
303 fdt_nop_node(initial_boot_params, node);
306 static void __init octeon_fdt_pip_port(int iface, int i, int p, int max, u64 *pmac)
308 char name_buffer[20];
309 int eth;
310 int phy_addr;
311 int ipd_port;
313 snprintf(name_buffer, sizeof(name_buffer), "ethernet@%x", p);
314 eth = fdt_subnode_offset(initial_boot_params, iface, name_buffer);
315 if (eth < 0)
316 return;
317 if (p > max) {
318 pr_debug("Deleting port %x:%x\n", i, p);
319 octeon_fdt_rm_ethernet(eth);
320 return;
322 if (OCTEON_IS_MODEL(OCTEON_CN68XX))
323 ipd_port = (0x100 * i) + (0x10 * p) + 0x800;
324 else
325 ipd_port = 16 * i + p;
327 phy_addr = cvmx_helper_board_get_mii_address(ipd_port);
328 octeon_fdt_set_phy(eth, phy_addr);
329 octeon_fdt_set_mac_addr(eth, pmac);
332 static void __init octeon_fdt_pip_iface(int pip, int idx, u64 *pmac)
334 char name_buffer[20];
335 int iface;
336 int p;
337 int count = 0;
339 if (cvmx_helper_interface_enumerate(idx) == 0)
340 count = cvmx_helper_ports_on_interface(idx);
342 snprintf(name_buffer, sizeof(name_buffer), "interface@%d", idx);
343 iface = fdt_subnode_offset(initial_boot_params, pip, name_buffer);
344 if (iface < 0)
345 return;
347 for (p = 0; p < 16; p++)
348 octeon_fdt_pip_port(iface, idx, p, count - 1, pmac);
351 int __init octeon_prune_device_tree(void)
353 int i, max_port, uart_mask;
354 const char *pip_path;
355 const char *alias_prop;
356 char name_buffer[20];
357 int aliases;
358 u64 mac_addr_base;
360 if (fdt_check_header(initial_boot_params))
361 panic("Corrupt Device Tree.");
363 aliases = fdt_path_offset(initial_boot_params, "/aliases");
364 if (aliases < 0) {
365 pr_err("Error: No /aliases node in device tree.");
366 return -EINVAL;
370 mac_addr_base =
371 ((octeon_bootinfo->mac_addr_base[0] & 0xffull)) << 40 |
372 ((octeon_bootinfo->mac_addr_base[1] & 0xffull)) << 32 |
373 ((octeon_bootinfo->mac_addr_base[2] & 0xffull)) << 24 |
374 ((octeon_bootinfo->mac_addr_base[3] & 0xffull)) << 16 |
375 ((octeon_bootinfo->mac_addr_base[4] & 0xffull)) << 8 |
376 (octeon_bootinfo->mac_addr_base[5] & 0xffull);
378 if (OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN63XX))
379 max_port = 2;
380 else if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN68XX))
381 max_port = 1;
382 else
383 max_port = 0;
385 if (octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC10E)
386 max_port = 0;
388 for (i = 0; i < 2; i++) {
389 int mgmt;
390 snprintf(name_buffer, sizeof(name_buffer),
391 "mix%d", i);
392 alias_prop = fdt_getprop(initial_boot_params, aliases,
393 name_buffer, NULL);
394 if (alias_prop) {
395 mgmt = fdt_path_offset(initial_boot_params, alias_prop);
396 if (mgmt < 0)
397 continue;
398 if (i >= max_port) {
399 pr_debug("Deleting mix%d\n", i);
400 octeon_fdt_rm_ethernet(mgmt);
401 fdt_nop_property(initial_boot_params, aliases,
402 name_buffer);
403 } else {
404 int phy_addr = cvmx_helper_board_get_mii_address(CVMX_HELPER_BOARD_MGMT_IPD_PORT + i);
405 octeon_fdt_set_phy(mgmt, phy_addr);
406 octeon_fdt_set_mac_addr(mgmt, &mac_addr_base);
411 pip_path = fdt_getprop(initial_boot_params, aliases, "pip", NULL);
412 if (pip_path) {
413 int pip = fdt_path_offset(initial_boot_params, pip_path);
414 if (pip >= 0)
415 for (i = 0; i <= 4; i++)
416 octeon_fdt_pip_iface(pip, i, &mac_addr_base);
419 /* I2C */
420 if (OCTEON_IS_MODEL(OCTEON_CN52XX) ||
421 OCTEON_IS_MODEL(OCTEON_CN63XX) ||
422 OCTEON_IS_MODEL(OCTEON_CN68XX) ||
423 OCTEON_IS_MODEL(OCTEON_CN56XX))
424 max_port = 2;
425 else
426 max_port = 1;
428 for (i = 0; i < 2; i++) {
429 int i2c;
430 snprintf(name_buffer, sizeof(name_buffer),
431 "twsi%d", i);
432 alias_prop = fdt_getprop(initial_boot_params, aliases,
433 name_buffer, NULL);
435 if (alias_prop) {
436 i2c = fdt_path_offset(initial_boot_params, alias_prop);
437 if (i2c < 0)
438 continue;
439 if (i >= max_port) {
440 pr_debug("Deleting twsi%d\n", i);
441 fdt_nop_node(initial_boot_params, i2c);
442 fdt_nop_property(initial_boot_params, aliases,
443 name_buffer);
448 /* SMI/MDIO */
449 if (OCTEON_IS_MODEL(OCTEON_CN68XX))
450 max_port = 4;
451 else if (OCTEON_IS_MODEL(OCTEON_CN52XX) ||
452 OCTEON_IS_MODEL(OCTEON_CN63XX) ||
453 OCTEON_IS_MODEL(OCTEON_CN56XX))
454 max_port = 2;
455 else
456 max_port = 1;
458 for (i = 0; i < 2; i++) {
459 int i2c;
460 snprintf(name_buffer, sizeof(name_buffer),
461 "smi%d", i);
462 alias_prop = fdt_getprop(initial_boot_params, aliases,
463 name_buffer, NULL);
465 if (alias_prop) {
466 i2c = fdt_path_offset(initial_boot_params, alias_prop);
467 if (i2c < 0)
468 continue;
469 if (i >= max_port) {
470 pr_debug("Deleting smi%d\n", i);
471 fdt_nop_node(initial_boot_params, i2c);
472 fdt_nop_property(initial_boot_params, aliases,
473 name_buffer);
478 /* Serial */
479 uart_mask = 3;
481 /* Right now CN52XX is the only chip with a third uart */
482 if (OCTEON_IS_MODEL(OCTEON_CN52XX))
483 uart_mask |= 4; /* uart2 */
485 for (i = 0; i < 3; i++) {
486 int uart;
487 snprintf(name_buffer, sizeof(name_buffer),
488 "uart%d", i);
489 alias_prop = fdt_getprop(initial_boot_params, aliases,
490 name_buffer, NULL);
492 if (alias_prop) {
493 uart = fdt_path_offset(initial_boot_params, alias_prop);
494 if (uart_mask & (1 << i)) {
495 __be32 f;
497 f = cpu_to_be32(octeon_get_io_clock_rate());
498 fdt_setprop_inplace(initial_boot_params,
499 uart, "clock-frequency",
500 &f, sizeof(f));
501 continue;
503 pr_debug("Deleting uart%d\n", i);
504 fdt_nop_node(initial_boot_params, uart);
505 fdt_nop_property(initial_boot_params, aliases,
506 name_buffer);
510 /* Compact Flash */
511 alias_prop = fdt_getprop(initial_boot_params, aliases,
512 "cf0", NULL);
513 if (alias_prop) {
514 union cvmx_mio_boot_reg_cfgx mio_boot_reg_cfg;
515 unsigned long base_ptr, region_base, region_size;
516 unsigned long region1_base = 0;
517 unsigned long region1_size = 0;
518 int cs, bootbus;
519 bool is_16bit = false;
520 bool is_true_ide = false;
521 __be32 new_reg[6];
522 __be32 *ranges;
523 int len;
525 int cf = fdt_path_offset(initial_boot_params, alias_prop);
526 base_ptr = 0;
527 if (octeon_bootinfo->major_version == 1
528 && octeon_bootinfo->minor_version >= 1) {
529 if (octeon_bootinfo->compact_flash_common_base_addr)
530 base_ptr = octeon_bootinfo->compact_flash_common_base_addr;
531 } else {
532 base_ptr = 0x1d000800;
535 if (!base_ptr)
536 goto no_cf;
538 /* Find CS0 region. */
539 for (cs = 0; cs < 8; cs++) {
540 mio_boot_reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs));
541 region_base = mio_boot_reg_cfg.s.base << 16;
542 region_size = (mio_boot_reg_cfg.s.size + 1) << 16;
543 if (mio_boot_reg_cfg.s.en && base_ptr >= region_base
544 && base_ptr < region_base + region_size) {
545 is_16bit = mio_boot_reg_cfg.s.width;
546 break;
549 if (cs >= 7) {
550 /* cs and cs + 1 are CS0 and CS1, both must be less than 8. */
551 goto no_cf;
554 if (!(base_ptr & 0xfffful)) {
556 * Boot loader signals availability of DMA (true_ide
557 * mode) by setting low order bits of base_ptr to
558 * zero.
561 /* Asume that CS1 immediately follows. */
562 mio_boot_reg_cfg.u64 =
563 cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs + 1));
564 region1_base = mio_boot_reg_cfg.s.base << 16;
565 region1_size = (mio_boot_reg_cfg.s.size + 1) << 16;
566 if (!mio_boot_reg_cfg.s.en)
567 goto no_cf;
568 is_true_ide = true;
570 } else {
571 fdt_nop_property(initial_boot_params, cf, "cavium,true-ide");
572 fdt_nop_property(initial_boot_params, cf, "cavium,dma-engine-handle");
573 if (!is_16bit) {
574 __be32 width = cpu_to_be32(8);
575 fdt_setprop_inplace(initial_boot_params, cf,
576 "cavium,bus-width", &width, sizeof(width));
579 new_reg[0] = cpu_to_be32(cs);
580 new_reg[1] = cpu_to_be32(0);
581 new_reg[2] = cpu_to_be32(0x10000);
582 new_reg[3] = cpu_to_be32(cs + 1);
583 new_reg[4] = cpu_to_be32(0);
584 new_reg[5] = cpu_to_be32(0x10000);
585 fdt_setprop_inplace(initial_boot_params, cf,
586 "reg", new_reg, sizeof(new_reg));
588 bootbus = fdt_parent_offset(initial_boot_params, cf);
589 if (bootbus < 0)
590 goto no_cf;
591 ranges = fdt_getprop_w(initial_boot_params, bootbus, "ranges", &len);
592 if (!ranges || len < (5 * 8 * sizeof(__be32)))
593 goto no_cf;
595 ranges[(cs * 5) + 2] = cpu_to_be32(region_base >> 32);
596 ranges[(cs * 5) + 3] = cpu_to_be32(region_base & 0xffffffff);
597 ranges[(cs * 5) + 4] = cpu_to_be32(region_size);
598 if (is_true_ide) {
599 cs++;
600 ranges[(cs * 5) + 2] = cpu_to_be32(region1_base >> 32);
601 ranges[(cs * 5) + 3] = cpu_to_be32(region1_base & 0xffffffff);
602 ranges[(cs * 5) + 4] = cpu_to_be32(region1_size);
604 goto end_cf;
605 no_cf:
606 fdt_nop_node(initial_boot_params, cf);
608 end_cf:
612 /* 8 char LED */
613 alias_prop = fdt_getprop(initial_boot_params, aliases,
614 "led0", NULL);
615 if (alias_prop) {
616 union cvmx_mio_boot_reg_cfgx mio_boot_reg_cfg;
617 unsigned long base_ptr, region_base, region_size;
618 int cs, bootbus;
619 __be32 new_reg[6];
620 __be32 *ranges;
621 int len;
622 int led = fdt_path_offset(initial_boot_params, alias_prop);
624 base_ptr = octeon_bootinfo->led_display_base_addr;
625 if (base_ptr == 0)
626 goto no_led;
627 /* Find CS0 region. */
628 for (cs = 0; cs < 8; cs++) {
629 mio_boot_reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs));
630 region_base = mio_boot_reg_cfg.s.base << 16;
631 region_size = (mio_boot_reg_cfg.s.size + 1) << 16;
632 if (mio_boot_reg_cfg.s.en && base_ptr >= region_base
633 && base_ptr < region_base + region_size)
634 break;
637 if (cs > 7)
638 goto no_led;
640 new_reg[0] = cpu_to_be32(cs);
641 new_reg[1] = cpu_to_be32(0x20);
642 new_reg[2] = cpu_to_be32(0x20);
643 new_reg[3] = cpu_to_be32(cs);
644 new_reg[4] = cpu_to_be32(0);
645 new_reg[5] = cpu_to_be32(0x20);
646 fdt_setprop_inplace(initial_boot_params, led,
647 "reg", new_reg, sizeof(new_reg));
649 bootbus = fdt_parent_offset(initial_boot_params, led);
650 if (bootbus < 0)
651 goto no_led;
652 ranges = fdt_getprop_w(initial_boot_params, bootbus, "ranges", &len);
653 if (!ranges || len < (5 * 8 * sizeof(__be32)))
654 goto no_led;
656 ranges[(cs * 5) + 2] = cpu_to_be32(region_base >> 32);
657 ranges[(cs * 5) + 3] = cpu_to_be32(region_base & 0xffffffff);
658 ranges[(cs * 5) + 4] = cpu_to_be32(region_size);
659 goto end_led;
661 no_led:
662 fdt_nop_node(initial_boot_params, led);
663 end_led:
667 /* OHCI/UHCI USB */
668 alias_prop = fdt_getprop(initial_boot_params, aliases,
669 "uctl", NULL);
670 if (alias_prop) {
671 int uctl = fdt_path_offset(initial_boot_params, alias_prop);
673 if (uctl >= 0 && (!OCTEON_IS_MODEL(OCTEON_CN6XXX) ||
674 octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC2E)) {
675 pr_debug("Deleting uctl\n");
676 fdt_nop_node(initial_boot_params, uctl);
677 fdt_nop_property(initial_boot_params, aliases, "uctl");
678 } else if (octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC10E ||
679 octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC4E) {
680 /* Missing "refclk-type" defaults to crystal. */
681 fdt_nop_property(initial_boot_params, uctl, "refclk-type");
685 return 0;
688 static int __init octeon_publish_devices(void)
690 return of_platform_bus_probe(NULL, octeon_ids, NULL);
692 device_initcall(octeon_publish_devices);
694 MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>");
695 MODULE_LICENSE("GPL");
696 MODULE_DESCRIPTION("Platform driver for Octeon SOC");