add USB fixup & board detection for the Cambria, plus merge the LED latch driver...
[openwrt.git] / target / linux / ixp4xx / patches-2.6.25 / 190-cambria_support.patch
1 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/Kconfig
2 ===================================================================
3 --- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/Kconfig
4 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/Kconfig
5 @@ -25,6 +25,14 @@ config MACH_AVILA
6           Avila Network Platform. For more information on this platform,
7           see <file:Documentation/arm/IXP4xx>.
8  
9 +config MACH_CAMBRIA
10 +       bool "Cambria"
11 +       select PCI
12 +       help
13 +         Say 'Y' here if you want your kernel to support the Gateworks
14 +         Cambria series. For more information on this platform,
15 +         see <file:Documentation/arm/IXP4xx>.
16 +
17  config MACH_LOFT
18      bool "Loft"
19      depends on MACH_AVILA
20 @@ -200,7 +208,7 @@ config CPU_IXP46X
21  
22  config CPU_IXP43X
23         bool
24 -       depends on MACH_KIXRP435
25 +       depends on MACH_KIXRP435 || MACH_CAMBRIA
26         default y
27  
28  config MACH_GTWX5715
29 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/Makefile
30 ===================================================================
31 --- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/Makefile
32 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/Makefile
33 @@ -7,6 +7,7 @@ obj-pci-n       :=
34  
35  obj-pci-$(CONFIG_ARCH_IXDP4XX)         += ixdp425-pci.o
36  obj-pci-$(CONFIG_MACH_AVILA)           += avila-pci.o
37 +obj-pci-$(CONFIG_MACH_CAMBRIA)         += cambria-pci.o
38  obj-pci-$(CONFIG_MACH_IXDPG425)                += ixdpg425-pci.o
39  obj-pci-$(CONFIG_ARCH_ADI_COYOTE)      += coyote-pci.o
40  obj-pci-$(CONFIG_MACH_GTWX5715)                += gtwx5715-pci.o
41 @@ -28,6 +29,7 @@ obj-y += common.o
42  
43  obj-$(CONFIG_ARCH_IXDP4XX)     += ixdp425-setup.o
44  obj-$(CONFIG_MACH_AVILA)       += avila-setup.o
45 +obj-$(CONFIG_MACH_CAMBRIA)     += cambria-setup.o
46  obj-$(CONFIG_MACH_IXDPG425)    += coyote-setup.o
47  obj-$(CONFIG_ARCH_ADI_COYOTE)  += coyote-setup.o
48  obj-$(CONFIG_MACH_GTWX5715)    += gtwx5715-setup.o
49 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-pci.c
50 ===================================================================
51 --- /dev/null
52 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-pci.c
53 @@ -0,0 +1,74 @@
54 +/*
55 + * arch/arch/mach-ixp4xx/cambria-pci.c
56 + *
57 + * PCI setup routines for Gateworks Cambria series
58 + *
59 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
60 + *
61 + * based on coyote-pci.c:
62 + *     Copyright (C) 2002 Jungo Software Technologies.
63 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
64 + *
65 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
66 + *
67 + * This program is free software; you can redistribute it and/or modify
68 + * it under the terms of the GNU General Public License version 2 as
69 + * published by the Free Software Foundation.
70 + *
71 + */
72 +
73 +#include <linux/kernel.h>
74 +#include <linux/pci.h>
75 +#include <linux/init.h>
76 +#include <linux/irq.h>
77 +
78 +#include <asm/mach-types.h>
79 +#include <asm/hardware.h>
80 +#include <asm/irq.h>
81 +
82 +#include <asm/mach/pci.h>
83 +
84 +extern void ixp4xx_pci_preinit(void);
85 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
86 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
87 +
88 +void __init cambria_pci_preinit(void)
89 +{
90 +       set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);
91 +       set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
92 +       set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
93 +       set_irq_type(IRQ_IXP4XX_GPIO8, IRQT_LOW);
94 +
95 +       ixp4xx_pci_preinit();
96 +}
97 +
98 +static int __init cambria_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
99 +{
100 +       if (slot == 1)
101 +               return IRQ_IXP4XX_GPIO11;
102 +       else if (slot == 2)
103 +               return IRQ_IXP4XX_GPIO10;
104 +       else if (slot == 3)
105 +               return IRQ_IXP4XX_GPIO9;
106 +       else if (slot == 4)
107 +               return IRQ_IXP4XX_GPIO8;
108 +       else return -1;
109 +}
110 +
111 +struct hw_pci cambria_pci __initdata = {
112 +       .nr_controllers = 1,
113 +       .preinit =        cambria_pci_preinit,
114 +       .swizzle =        pci_std_swizzle,
115 +       .setup =          ixp4xx_setup,
116 +       .scan =           ixp4xx_scan_bus,
117 +       .map_irq =        cambria_map_irq,
118 +};
119 +
120 +int __init cambria_pci_init(void)
121 +{
122 +       if (machine_is_cambria())
123 +               pci_common_init(&cambria_pci);
124 +       return 0;
125 +}
126 +
127 +subsys_initcall(cambria_pci_init);
128 diff -ruN /usr/src/openwrt/clean/linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-setup.c linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-setup.c
129 --- /usr/src/openwrt/clean/linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-setup.c  1969-12-31 16:00:00.000000000 -0800
130 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/cambria-setup.c 2008-05-20 16:02:43.000000000 -0700
131 @@ -0,0 +1,445 @@
132 +/*
133 + * arch/arm/mach-ixp4xx/cambria-setup.c
134 + *
135 + * Board setup for the Gateworks Cambria series
136 + *
137 + * Copyright (C) 2008 Imre Kaloz <Kaloz@openwrt.org>
138 + *
139 + * based on coyote-setup.c:
140 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
141 + *
142 + * Author: Imre Kaloz <Kaloz@openwrt.org>
143 + */
144 +
145 +#include <linux/kernel.h>
146 +#include <linux/init.h>
147 +#include <linux/device.h>
148 +#include <linux/if_ether.h>
149 +#include <linux/socket.h>
150 +#include <linux/netdevice.h>
151 +#include <linux/serial.h>
152 +#include <linux/tty.h>
153 +#include <linux/serial_8250.h>
154 +#include <linux/slab.h>
155 +#ifdef CONFIG_SENSORS_EEPROM
156 +# include <linux/i2c.h>
157 +# include <linux/eeprom.h>
158 +#endif
159 +
160 +#include <linux/leds.h>                                                                                
161 +#include <linux/i2c-gpio.h>
162 +#include <asm/types.h>
163 +#include <asm/setup.h>
164 +#include <asm/memory.h>
165 +#include <asm/hardware.h>
166 +#include <asm/irq.h>
167 +#include <asm/mach-types.h>
168 +#include <asm/mach/arch.h>
169 +#include <asm/mach/flash.h>
170 +
171 +struct cambria_board_info {
172 +  unsigned char *model;
173 +  void    (* setup)(void);
174 +};
175 +
176 +static struct cambria_board_info *cambria_info __initdata;
177 +
178 +static struct flash_platform_data cambria_flash_data = {
179 +       .map_name       = "cfi_probe",
180 +       .width          = 2,
181 +};
182 +
183 +static struct resource cambria_flash_resource = {
184 +       .flags          = IORESOURCE_MEM,
185 +};
186 +
187 +static struct platform_device cambria_flash = {
188 +       .name           = "IXP4XX-Flash",
189 +       .id             = 0,
190 +       .dev            = {
191 +               .platform_data = &cambria_flash_data,
192 +       },
193 +       .num_resources  = 1,
194 +       .resource       = &cambria_flash_resource,
195 +};
196 +
197 +static struct i2c_gpio_platform_data cambria_i2c_gpio_data = {
198 +       .sda_pin        = 7,
199 +       .scl_pin        = 6,
200 +};
201 +
202 +static struct platform_device cambria_i2c_gpio = {
203 +       .name           = "i2c-gpio",
204 +       .id             = 0,
205 +       .dev            = {
206 +               .platform_data  = &cambria_i2c_gpio_data,
207 +       },
208 +};
209 +
210 +static struct resource cambria_uart_resource = {
211 +       .start  = IXP4XX_UART1_BASE_PHYS,
212 +       .end    = IXP4XX_UART1_BASE_PHYS + 0x0fff,
213 +       .flags  = IORESOURCE_MEM,
214 +};
215 +
216 +static struct plat_serial8250_port cambria_uart_data[] = {
217 +       {
218 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
219 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
220 +               .irq            = IRQ_IXP4XX_UART1,
221 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
222 +               .iotype         = UPIO_MEM,
223 +               .regshift       = 2,
224 +               .uartclk        = IXP4XX_UART_XTAL,
225 +       },
226 +       { },
227 +};
228 +
229 +static struct platform_device cambria_uart = {
230 +       .name           = "serial8250",
231 +       .id             = PLAT8250_DEV_PLATFORM,
232 +       .dev                    = {
233 +               .platform_data  = cambria_uart_data,
234 +       },
235 +       .num_resources  = 1,
236 +       .resource       = &cambria_uart_resource,
237 +};
238 +
239 +static struct resource cambria_pata_resources[] = {
240 +       {
241 +               .flags  = IORESOURCE_MEM
242 +       },
243 +       {
244 +               .flags  = IORESOURCE_MEM,
245 +       },
246 +       {
247 +               .name   = "intrq",
248 +               .start  = IRQ_IXP4XX_GPIO12,
249 +               .end    = IRQ_IXP4XX_GPIO12,
250 +               .flags  = IORESOURCE_IRQ,
251 +       },
252 +};
253 +
254 +static struct ixp4xx_pata_data cambria_pata_data = {
255 +       .cs0_bits       = 0xbfff3c03,
256 +       .cs1_bits       = 0xbfff3c03,
257 +};
258 +
259 +static struct platform_device cambria_pata = {
260 +       .name                   = "pata_ixp4xx_cf",
261 +       .id                     = 0,
262 +       .dev.platform_data      = &cambria_pata_data,
263 +       .num_resources          = ARRAY_SIZE(cambria_pata_resources),
264 +       .resource               = cambria_pata_resources,
265 +};
266 +
267 +static struct eth_plat_info cambria_npec_data = {
268 +       .phy    = 2,
269 +       .rxq    = 4,
270 +       .txreadyq       = 21,
271 +};
272 +
273 +static struct eth_plat_info cambria_npea_data = {
274 +       .phy    = 1,
275 +       .rxq    = 2,
276 +       .txreadyq       = 19,
277 +};
278 +
279 +static struct platform_device cambria_npec_device = {
280 +       .name           = "ixp4xx_eth",
281 +       .id                     = IXP4XX_ETH_NPEC,
282 +       .dev.platform_data      = &cambria_npec_data,
283 +};
284 +
285 +static struct platform_device cambria_npea_device = {
286 +       .name           = "ixp4xx_eth",
287 +       .id                     = IXP4XX_ETH_NPEA,
288 +       .dev.platform_data      = &cambria_npea_data,
289 +};
290 +
291 +static struct gpio_led cambria_gpio_leds[] = {
292 +  {
293 +    .name   = "user",  /* green led */
294 +    .gpio   = 5,
295 +    .active_low = 1,
296 +  }
297 +};
298 +
299 +static struct gpio_led_platform_data cambria_gpio_leds_data = {
300 +  .num_leds   = 1,
301 +  .leds     = cambria_gpio_leds,
302 +};
303 +
304 +static struct platform_device cambria_gpio_leds_device = {
305 +  .name     = "leds-gpio",
306 +  .id     = -1,
307 +  .dev.platform_data  = &cambria_gpio_leds_data,
308 +};
309 +
310 +
311 +static struct latch_led cambria_latch_leds[] = {
312 +       {
313 +               .name   = "ledA",  /* green led */
314 +               .bit    = 0,
315 +       },
316 +       {
317 +               .name   = "ledB",  /* green led */
318 +               .bit    = 1,
319 +       },
320 +       {
321 +               .name   = "ledC",  /* green led */
322 +               .bit    = 2,
323 +       },
324 +       {
325 +               .name   = "ledD",  /* green led */
326 +               .bit    = 3,
327 +       },
328 +       {
329 +               .name   = "ledE",  /* green led */
330 +               .bit    = 4,
331 +       },
332 +       {
333 +               .name   = "ledF",  /* green led */
334 +               .bit    = 5,
335 +       },
336 +       {
337 +               .name   = "ledG",  /* green led */
338 +               .bit    = 6,
339 +       },
340 +       {
341 +               .name   = "ledH",  /* green led */
342 +               .bit    = 7,
343 +       }
344 +};
345 +
346 +static struct latch_led_platform_data cambria_latch_leds_data = {
347 +       .num_leds   = 8,
348 +       .leds       = cambria_latch_leds,
349 +       .mem        = 0x53F40000,
350 +};
351 +
352 +static struct platform_device cambria_latch_leds_device = {
353 +       .name     = "leds-latch",
354 +       .id     = -1,
355 +       .dev.platform_data  = &cambria_latch_leds_data,
356 +};
357 +
358 +static struct resource cambria_usb0_resources[] = {
359 +       {
360 +               .start    = 0xCD000000,
361 +               .end      = 0xCD000300,
362 +               .flags    = IORESOURCE_MEM,
363 +       },
364 +       {
365 +               .start    = 32,
366 +               .flags    = IORESOURCE_IRQ,
367 +       },
368 +};
369 +
370 +static struct resource cambria_usb1_resources[] = {
371 +       {
372 +               .start    = 0xCE000000,
373 +               .end      = 0xCE000300,
374 +               .flags    = IORESOURCE_MEM,
375 +       },
376 +       {
377 +               .start    = 33,
378 +               .flags    = IORESOURCE_IRQ,
379 +       },
380 +};
381 +
382 +static u64 ehci_dma_mask = ~(u32)0;
383 +
384 +static struct platform_device cambria_usb0_device =  {
385 +       .name   = "ixp4xx-ehci",
386 +       .id   = 0,
387 +       .dev = {
388 +               .dma_mask               = &ehci_dma_mask,
389 +               .coherent_dma_mask      = 0xffffffff,
390 +       },
391 +       .resource = cambria_usb0_resources,
392 +       .num_resources  = 2,
393 +};
394 +
395 +static struct platform_device cambria_usb1_device =  {
396 +       .name   = "ixp4xx-ehci",
397 +       .id   = 1,
398 +       .dev = {
399 +               .dma_mask               = &ehci_dma_mask,
400 +               .coherent_dma_mask      = 0xffffffff,
401 +       },
402 +       .resource = cambria_usb1_resources,
403 +       .num_resources  = 2,
404 +};
405 +
406 +
407 +static struct platform_device *cambria_devices[] __initdata = {
408 +       &cambria_i2c_gpio,
409 +       &cambria_flash,
410 +       &cambria_uart,
411 +};
412 +
413 +static void __init cambria_gw23xx_setup(void)
414 +{
415 +  platform_device_register(&cambria_npec_device);
416 +  platform_device_register(&cambria_npea_device);
417 +}
418 +
419 +#ifdef CONFIG_SENSORS_EEPROM
420 +static void __init cambria_gw2350_setup(void)
421 +{
422 +  platform_device_register(&cambria_npec_device);
423 +  platform_device_register(&cambria_npea_device);
424 +
425 +       platform_device_register(&cambria_usb0_device);
426 +       platform_device_register(&cambria_usb1_device);
427 +
428 +       platform_device_register(&cambria_gpio_leds_device);
429 +}
430 +
431 +static void __init cambria_gw2358_setup(void)
432 +{
433 +  platform_device_register(&cambria_npec_device);
434 +  platform_device_register(&cambria_npea_device);
435 +
436 +       platform_device_register(&cambria_usb0_device);
437 +       platform_device_register(&cambria_usb1_device);
438 +
439 +       platform_device_register(&cambria_pata);
440 +       
441 +       platform_device_register(&cambria_latch_leds_device);
442 +}
443 +
444 +static struct cambria_board_info cambria_boards[] __initdata = {
445 +  {
446 +    .model    = "GW2350",
447 +    .setup    = cambria_gw2350_setup,
448 +  }, {
449 +    .model    = "GW2358",
450 +    .setup    = cambria_gw2358_setup,
451 +  }
452 +};
453 +
454 +static struct cambria_board_info * __init cambria_find_board_info(char *model)
455 +{
456 +  int i;
457 +
458 +  for (i = 0; i < ARRAY_SIZE(cambria_boards); i++) {
459 +    struct cambria_board_info *info = &cambria_boards[i];
460 +    if (strncmp(info->model, model, strlen(info->model)) == 0)
461 +      return info;
462 +  }
463 +
464 +  return NULL;
465 +}
466 +
467 +struct cambria_eeprom_header {
468 +       unsigned char mac0[ETH_ALEN];
469 +       unsigned char mac1[ETH_ALEN];
470 +       unsigned char res0[4];
471 +       unsigned char magic[2];
472 +       unsigned char config[14];
473 +       unsigned char model[16];
474 +};
475 +
476 +static int __init cambria_eeprom_notify(struct notifier_block *self,
477 +               unsigned long event, void *t)
478 +{
479 +  struct eeprom_data *ee = t;
480 +  struct cambria_eeprom_header hdr;
481 +
482 +  if (cambria_info)
483 +    return NOTIFY_DONE;
484 +
485 +  /* The eeprom is at address 0x51 */
486 +  if (event != EEPROM_REGISTER || ee->client.addr != 0x51)
487 +    return NOTIFY_DONE;
488 +
489 +  ee->attr->read(&ee->client.dev.kobj, ee->attr, (char *)&hdr,
490 +              0, sizeof(hdr));
491 +
492 +  if (hdr.magic[0] != 'G' || hdr.magic[1] != 'W')
493 +    return NOTIFY_DONE;
494 +
495 +  memcpy(&cambria_npec_data.hwaddr, hdr.mac0, ETH_ALEN);
496 +  memcpy(&cambria_npea_data.hwaddr, hdr.mac1, ETH_ALEN);
497 +
498 +  cambria_info = cambria_find_board_info(hdr.model);
499 +
500 +  return NOTIFY_OK;
501 +}
502 +
503 +static struct notifier_block cambria_eeprom_notifier __initdata = {
504 +       .notifier_call = cambria_eeprom_notify
505 +};
506 +
507 +static void __init cambria_register_eeprom_notifier(void)
508 +{
509 +  register_eeprom_notifier(&cambria_eeprom_notifier);
510 +}
511 +
512 +static void __init cambria_unregister_eeprom_notifier(void)
513 +{
514 +  unregister_eeprom_notifier(&cambria_eeprom_notifier);
515 +}
516 +#else /* CONFIG_SENSORS_EEPROM */
517 +static inline void cambria_register_eeprom_notifier(void) {};
518 +static inline void cambria_unregister_eeprom_notifier(void) {};
519 +#endif /* CONFIG_SENSORS_EEPROM */
520 +
521 +static void __init cambria_init(void)
522 +{
523 +       ixp4xx_sys_init();
524 +
525 +       cambria_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
526 +       cambria_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
527 +
528 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
529 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
530 +
531 +       platform_add_devices(cambria_devices, ARRAY_SIZE(cambria_devices));
532 +
533 +       cambria_pata_resources[0].start = 0x53e00000;
534 +       cambria_pata_resources[0].end = 0x53e3ffff;
535 +
536 +       cambria_pata_resources[1].start = 0x53e40000;
537 +       cambria_pata_resources[1].end = 0x53e7ffff;
538 +
539 +       cambria_pata_data.cs0_cfg = IXP4XX_EXP_CS3;
540 +       cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
541 +
542 +       cambria_register_eeprom_notifier();
543 +}
544 +
545 +static int __init cambria_model_setup(void)
546 +{
547 +  if (!machine_is_cambria())
548 +    return 0;
549 +
550 +  if (cambria_info) {
551 +    printk(KERN_DEBUG "Running on Gateworks Cambria %s\n",
552 +              cambria_info->model);
553 +    cambria_info->setup();
554 +  } else {
555 +    printk(KERN_INFO "Unknown/missing Cambria model number"
556 +            " -- defaults will be used\n");
557 +    cambria_gw23xx_setup();
558 +  }
559 +
560 +  cambria_unregister_eeprom_notifier();
561 +  return 0;
562 +}
563 +late_initcall(cambria_model_setup);
564 +
565 +#ifdef CONFIG_MACH_CAMBRIA
566 +MACHINE_START(CAMBRIA, "Gateworks Cambria series")
567 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
568 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
569 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
570 +       .map_io         = ixp4xx_map_io,
571 +       .init_irq       = ixp4xx_init_irq,
572 +       .timer          = &ixp4xx_timer,
573 +       .boot_params    = 0x0100,
574 +       .init_machine   = cambria_init,
575 +MACHINE_END
576 +#endif
577 Index: linux-2.6.25.4/include/asm-arm/arch-ixp4xx/hardware.h
578 ===================================================================
579 --- linux-2.6.25.4.orig/include/asm-arm/arch-ixp4xx/hardware.h
580 +++ linux-2.6.25.4/include/asm-arm/arch-ixp4xx/hardware.h
581 @@ -18,7 +18,7 @@
582  #define __ASM_ARCH_HARDWARE_H__
583  
584  #define PCIBIOS_MIN_IO         0x00001000
585 -#define PCIBIOS_MIN_MEM                (cpu_is_ixp43x() ? 0x40000000 : 0x48000000)
586 +#define PCIBIOS_MIN_MEM                (cpu_is_ixp43x() ? 0x48000000 : 0x48000000)
587  
588  /*
589   * We override the standard dma-mask routines for bouncing.