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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-14 21:55:27 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-14 21:55:27 -0400
commit5b0504c0d795d6b0a904ff861c043d7a231f67a4 (patch)
treec988e8b614c55d0dae2be4b750a03eb0a4f4d355 /arch/powerpc/sysdev
parent930074b6b9c4895d20cdadba5aff97907e28728d (diff)
parent77a76369475801ab8cbb338b9d8cfa92a491badb (diff)
Merge commit 'gcl/gcl-next'
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r--arch/powerpc/sysdev/bestcomm/bestcomm.c2
-rw-r--r--arch/powerpc/sysdev/bestcomm/gen_bd.c95
-rw-r--r--arch/powerpc/sysdev/bestcomm/gen_bd.h5
-rw-r--r--arch/powerpc/sysdev/bestcomm/sram.c2
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c133
5 files changed, 102 insertions, 135 deletions
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c
index 64ec7d629363..446c9ea85b30 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.c
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c
@@ -443,7 +443,7 @@ mpc52xx_bcom_probe(struct of_device *op, const struct of_device_id *match)
443 443
444 /* Done ! */ 444 /* Done ! */
445 printk(KERN_INFO "DMA: MPC52xx BestComm engine @%08lx ok !\n", 445 printk(KERN_INFO "DMA: MPC52xx BestComm engine @%08lx ok !\n",
446 bcom_eng->regs_base); 446 (long)bcom_eng->regs_base);
447 447
448 return 0; 448 return 0;
449 449
diff --git a/arch/powerpc/sysdev/bestcomm/gen_bd.c b/arch/powerpc/sysdev/bestcomm/gen_bd.c
index 8d33eafbb3f4..a3a134c35b0a 100644
--- a/arch/powerpc/sysdev/bestcomm/gen_bd.c
+++ b/arch/powerpc/sysdev/bestcomm/gen_bd.c
@@ -20,6 +20,7 @@
20#include <asm/io.h> 20#include <asm/io.h>
21 21
22#include <asm/mpc52xx.h> 22#include <asm/mpc52xx.h>
23#include <asm/mpc52xx_psc.h>
23 24
24#include "bestcomm.h" 25#include "bestcomm.h"
25#include "bestcomm_priv.h" 26#include "bestcomm_priv.h"
@@ -253,6 +254,100 @@ bcom_gen_bd_tx_release(struct bcom_task *tsk)
253} 254}
254EXPORT_SYMBOL_GPL(bcom_gen_bd_tx_release); 255EXPORT_SYMBOL_GPL(bcom_gen_bd_tx_release);
255 256
257/* ---------------------------------------------------------------------
258 * PSC support code
259 */
260
261/**
262 * bcom_psc_parameters - Bestcomm initialization value table for PSC devices
263 *
264 * This structure is only used internally. It is a lookup table for PSC
265 * specific parameters to bestcomm tasks.
266 */
267static struct bcom_psc_params {
268 int rx_initiator;
269 int rx_ipr;
270 int tx_initiator;
271 int tx_ipr;
272} bcom_psc_params[] = {
273 [0] = {
274 .rx_initiator = BCOM_INITIATOR_PSC1_RX,
275 .rx_ipr = BCOM_IPR_PSC1_RX,
276 .tx_initiator = BCOM_INITIATOR_PSC1_TX,
277 .tx_ipr = BCOM_IPR_PSC1_TX,
278 },
279 [1] = {
280 .rx_initiator = BCOM_INITIATOR_PSC2_RX,
281 .rx_ipr = BCOM_IPR_PSC2_RX,
282 .tx_initiator = BCOM_INITIATOR_PSC2_TX,
283 .tx_ipr = BCOM_IPR_PSC2_TX,
284 },
285 [2] = {
286 .rx_initiator = BCOM_INITIATOR_PSC3_RX,
287 .rx_ipr = BCOM_IPR_PSC3_RX,
288 .tx_initiator = BCOM_INITIATOR_PSC3_TX,
289 .tx_ipr = BCOM_IPR_PSC3_TX,
290 },
291 [3] = {
292 .rx_initiator = BCOM_INITIATOR_PSC4_RX,
293 .rx_ipr = BCOM_IPR_PSC4_RX,
294 .tx_initiator = BCOM_INITIATOR_PSC4_TX,
295 .tx_ipr = BCOM_IPR_PSC4_TX,
296 },
297 [4] = {
298 .rx_initiator = BCOM_INITIATOR_PSC5_RX,
299 .rx_ipr = BCOM_IPR_PSC5_RX,
300 .tx_initiator = BCOM_INITIATOR_PSC5_TX,
301 .tx_ipr = BCOM_IPR_PSC5_TX,
302 },
303 [5] = {
304 .rx_initiator = BCOM_INITIATOR_PSC6_RX,
305 .rx_ipr = BCOM_IPR_PSC6_RX,
306 .tx_initiator = BCOM_INITIATOR_PSC6_TX,
307 .tx_ipr = BCOM_IPR_PSC6_TX,
308 },
309};
310
311/**
312 * bcom_psc_gen_bd_rx_init - Allocate a receive bcom_task for a PSC port
313 * @psc_num: Number of the PSC to allocate a task for
314 * @queue_len: number of buffer descriptors to allocate for the task
315 * @fifo: physical address of FIFO register
316 * @maxbufsize: Maximum receive data size in bytes.
317 *
318 * Allocate a bestcomm task structure for receiving data from a PSC.
319 */
320struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len,
321 phys_addr_t fifo, int maxbufsize)
322{
323 if (psc_num >= MPC52xx_PSC_MAXNUM)
324 return NULL;
325
326 return bcom_gen_bd_rx_init(queue_len, fifo,
327 bcom_psc_params[psc_num].rx_initiator,
328 bcom_psc_params[psc_num].rx_ipr,
329 maxbufsize);
330}
331EXPORT_SYMBOL_GPL(bcom_psc_gen_bd_rx_init);
332
333/**
334 * bcom_psc_gen_bd_tx_init - Allocate a transmit bcom_task for a PSC port
335 * @psc_num: Number of the PSC to allocate a task for
336 * @queue_len: number of buffer descriptors to allocate for the task
337 * @fifo: physical address of FIFO register
338 *
339 * Allocate a bestcomm task structure for transmitting data to a PSC.
340 */
341struct bcom_task *
342bcom_psc_gen_bd_tx_init(unsigned psc_num, int queue_len, phys_addr_t fifo)
343{
344 struct psc;
345 return bcom_gen_bd_tx_init(queue_len, fifo,
346 bcom_psc_params[psc_num].tx_initiator,
347 bcom_psc_params[psc_num].tx_ipr);
348}
349EXPORT_SYMBOL_GPL(bcom_psc_gen_bd_tx_init);
350
256 351
257MODULE_DESCRIPTION("BestComm General Buffer Descriptor tasks driver"); 352MODULE_DESCRIPTION("BestComm General Buffer Descriptor tasks driver");
258MODULE_AUTHOR("Jeff Gibbons <jeff.gibbons@appspec.com>"); 353MODULE_AUTHOR("Jeff Gibbons <jeff.gibbons@appspec.com>");
diff --git a/arch/powerpc/sysdev/bestcomm/gen_bd.h b/arch/powerpc/sysdev/bestcomm/gen_bd.h
index 5b6fa803c6aa..de47260e69da 100644
--- a/arch/powerpc/sysdev/bestcomm/gen_bd.h
+++ b/arch/powerpc/sysdev/bestcomm/gen_bd.h
@@ -44,5 +44,10 @@ extern void
44bcom_gen_bd_tx_release(struct bcom_task *tsk); 44bcom_gen_bd_tx_release(struct bcom_task *tsk);
45 45
46 46
47/* PSC support utility wrappers */
48struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len,
49 phys_addr_t fifo, int maxbufsize);
50struct bcom_task * bcom_psc_gen_bd_tx_init(unsigned psc_num, int queue_len,
51 phys_addr_t fifo);
47#endif /* __BESTCOMM_GEN_BD_H__ */ 52#endif /* __BESTCOMM_GEN_BD_H__ */
48 53
diff --git a/arch/powerpc/sysdev/bestcomm/sram.c b/arch/powerpc/sysdev/bestcomm/sram.c
index 99784383a843..5d74ef7a651f 100644
--- a/arch/powerpc/sysdev/bestcomm/sram.c
+++ b/arch/powerpc/sysdev/bestcomm/sram.c
@@ -86,7 +86,7 @@ int bcom_sram_init(struct device_node *sram_node, char *owner)
86 if (!bcom_sram->base_virt) { 86 if (!bcom_sram->base_virt) {
87 printk(KERN_ERR "%s: bcom_sram_init: " 87 printk(KERN_ERR "%s: bcom_sram_init: "
88 "Map error SRAM zone 0x%08lx (0x%0x)!\n", 88 "Map error SRAM zone 0x%08lx (0x%0x)!\n",
89 owner, bcom_sram->base_phys, bcom_sram->size ); 89 owner, (long)bcom_sram->base_phys, bcom_sram->size );
90 rv = -ENOMEM; 90 rv = -ENOMEM;
91 goto error_release; 91 goto error_release;
92 } 92 }
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index ca54563d5c7e..ebcec7362f95 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -414,139 +414,6 @@ err:
414 414
415arch_initcall(gfar_of_init); 415arch_initcall(gfar_of_init);
416 416
417#ifdef CONFIG_I2C_BOARDINFO
418#include <linux/i2c.h>
419struct i2c_driver_device {
420 char *of_device;
421 char *i2c_type;
422};
423
424static struct i2c_driver_device i2c_devices[] __initdata = {
425 {"ricoh,rs5c372a", "rs5c372a"},
426 {"ricoh,rs5c372b", "rs5c372b"},
427 {"ricoh,rv5c386", "rv5c386"},
428 {"ricoh,rv5c387a", "rv5c387a"},
429 {"dallas,ds1307", "ds1307"},
430 {"dallas,ds1337", "ds1337"},
431 {"dallas,ds1338", "ds1338"},
432 {"dallas,ds1339", "ds1339"},
433 {"dallas,ds1340", "ds1340"},
434 {"stm,m41t00", "m41t00"},
435 {"dallas,ds1374", "ds1374"},
436 {"cirrus,cs4270", "cs4270"},
437};
438
439static int __init of_find_i2c_driver(struct device_node *node,
440 struct i2c_board_info *info)
441{
442 int i;
443
444 for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
445 if (!of_device_is_compatible(node, i2c_devices[i].of_device))
446 continue;
447 if (strlcpy(info->type, i2c_devices[i].i2c_type,
448 I2C_NAME_SIZE) >= I2C_NAME_SIZE)
449 return -ENOMEM;
450 return 0;
451 }
452
453 pr_warning("fsl_soc.c: unrecognized i2c node %s\n",
454 (const char *) of_get_property(node, "compatible", NULL));
455
456 return -ENODEV;
457}
458
459static void __init of_register_i2c_devices(struct device_node *adap_node,
460 int bus_num)
461{
462 struct device_node *node = NULL;
463
464 while ((node = of_get_next_child(adap_node, node))) {
465 struct i2c_board_info info = {};
466 const u32 *addr;
467 int len;
468
469 addr = of_get_property(node, "reg", &len);
470 if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
471 printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
472 continue;
473 }
474
475 info.irq = irq_of_parse_and_map(node, 0);
476 if (info.irq == NO_IRQ)
477 info.irq = -1;
478
479 if (of_find_i2c_driver(node, &info) < 0)
480 continue;
481
482 info.addr = *addr;
483
484 i2c_register_board_info(bus_num, &info, 1);
485 }
486}
487
488static int __init fsl_i2c_of_init(void)
489{
490 struct device_node *np;
491 unsigned int i = 0;
492 struct platform_device *i2c_dev;
493 int ret;
494
495 for_each_compatible_node(np, NULL, "fsl-i2c") {
496 struct resource r[2];
497 struct fsl_i2c_platform_data i2c_data;
498 const unsigned char *flags = NULL;
499 int idx;
500 const u32 *iprop;
501
502 memset(&r, 0, sizeof(r));
503 memset(&i2c_data, 0, sizeof(i2c_data));
504
505 ret = of_address_to_resource(np, 0, &r[0]);
506 if (ret)
507 goto err;
508
509 of_irq_to_resource(np, 0, &r[1]);
510
511 iprop = of_get_property(np, "cell-index", NULL);
512 idx = iprop ? *iprop : i;
513
514 i2c_dev = platform_device_register_simple("fsl-i2c", idx, r, 2);
515 if (IS_ERR(i2c_dev)) {
516 ret = PTR_ERR(i2c_dev);
517 goto err;
518 }
519
520 i2c_data.device_flags = 0;
521 flags = of_get_property(np, "dfsrr", NULL);
522 if (flags)
523 i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
524
525 flags = of_get_property(np, "fsl5200-clocking", NULL);
526 if (flags)
527 i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
528
529 ret =
530 platform_device_add_data(i2c_dev, &i2c_data,
531 sizeof(struct
532 fsl_i2c_platform_data));
533 if (ret)
534 goto unreg;
535
536 of_register_i2c_devices(np, idx);
537 i++;
538 }
539
540 return 0;
541
542unreg:
543 platform_device_unregister(i2c_dev);
544err:
545 return ret;
546}
547
548arch_initcall(fsl_i2c_of_init);
549#endif
550 417
551#ifdef CONFIG_PPC_83xx 418#ifdef CONFIG_PPC_83xx
552static int __init mpc83xx_wdt_init(void) 419static int __init mpc83xx_wdt_init(void)