1 From f8c5db89e793a4bc6c1e87bd7b3a5cec16b75bc3 Mon Sep 17 00:00:00 2001
2 From: John Crispin <blogic@openwrt.org>
3 Date: Wed, 10 Sep 2014 22:42:14 +0200
4 Subject: [PATCH 35/36] owrt: lantiq: wifi and ethernet eeprom handling
6 Signed-off-by: John Crispin <blogic@openwrt.org>
8 arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h | 6 +
9 .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h | 3 +
10 arch/mips/lantiq/xway/Makefile | 3 +
11 arch/mips/lantiq/xway/ath_eep.c | 282 ++++++++++++++++++++
12 arch/mips/lantiq/xway/eth_mac.c | 76 ++++++
13 arch/mips/lantiq/xway/pci-ath-fixup.c | 109 ++++++++
14 arch/mips/lantiq/xway/rt_eep.c | 60 +++++
15 7 files changed, 539 insertions(+)
16 create mode 100644 arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
17 create mode 100644 arch/mips/lantiq/xway/ath_eep.c
18 create mode 100644 arch/mips/lantiq/xway/eth_mac.c
19 create mode 100644 arch/mips/lantiq/xway/pci-ath-fixup.c
20 create mode 100644 arch/mips/lantiq/xway/rt_eep.c
23 +++ b/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
25 +#ifndef _PCI_ATH_FIXUP
26 +#define _PCI_ATH_FIXUP
28 +void ltq_pci_ath_fixup(unsigned slot, u16 *cal_data) __init;
30 +#endif /* _PCI_ATH_FIXUP */
31 --- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
32 +++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
34 extern void ltq_pmu_enable(unsigned int module);
35 extern void ltq_pmu_disable(unsigned int module);
37 +/* allow the ethernet driver to load a flash mapped mac addr */
38 +const u8* ltq_get_eth_mac(void);
40 #endif /* CONFIG_SOC_TYPE_XWAY */
41 #endif /* _LTQ_XWAY_H__ */
42 --- a/arch/mips/lantiq/xway/Makefile
43 +++ b/arch/mips/lantiq/xway/Makefile
46 obj-y += vmmc.o tffs.o
49 +obj-$(CONFIG_PCI) += ath_eep.o rt_eep.o pci-ath-fixup.o
51 obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
53 +++ b/arch/mips/lantiq/xway/ath_eep.c
56 + * Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
57 + * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
58 + * Copyright (C) 2011 Andrej Vlašić <andrej.vlasic0@gmail.com>
59 + * Copyright (C) 2013 Álvaro Fernández Rojas <noltari@gmail.com>
60 + * Copyright (C) 2013 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
62 + * This program is free software; you can redistribute it and/or modify it
63 + * under the terms of the GNU General Public License version 2 as published
64 + * by the Free Software Foundation.
67 +#include <linux/init.h>
68 +#include <linux/module.h>
69 +#include <linux/platform_device.h>
70 +#include <linux/etherdevice.h>
71 +#include <linux/ath5k_platform.h>
72 +#include <linux/ath9k_platform.h>
73 +#include <linux/pci.h>
74 +#include <linux/err.h>
75 +#include <linux/mtd/mtd.h>
76 +#include <pci-ath-fixup.h>
77 +#include <lantiq_soc.h>
79 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
80 +struct ath5k_platform_data ath5k_pdata;
81 +struct ath9k_platform_data ath9k_pdata = {
84 +static u8 athxk_eeprom_mac[6];
86 +static int ath9k_pci_plat_dev_init(struct pci_dev *dev)
88 + dev->dev.platform_data = &ath9k_pdata;
92 +static int ath9k_eep_load;
93 +int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
95 + struct device_node *np = pdev->dev.of_node, *mtd_np;
96 + struct resource *eep_res, *mac_res = NULL;
97 + void __iomem *eep, *mac;
98 + int mac_offset, led_pin;
99 + u32 mac_inc = 0, pci_slot = 0;
101 + struct mtd_info *the_mtd;
102 + size_t flash_readlen;
103 + const __be32 *list;
107 + if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
108 + sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
109 + (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
110 + of_get_property(mtd_np, "label", NULL)) || (part =
111 + mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
112 + != ERR_PTR(-ENODEV)) {
113 + i = mtd_read(the_mtd, be32_to_cpup(list),
114 + ATH9K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
115 + (void *) ath9k_pdata.eeprom_data);
116 + if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
117 + size_t mac_readlen;
118 + mtd_read(the_mtd, mac_offset, 6, &mac_readlen,
119 + (void *) athxk_eeprom_mac);
121 + put_mtd_device(the_mtd);
122 + if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) {
123 + dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
127 + eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
128 + mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
131 + dev_err(&pdev->dev, "failed to load eeprom address\n");
134 + if (resource_size(eep_res) != ATH9K_PLAT_EEP_MAX_WORDS << 1) {
135 + dev_err(&pdev->dev, "eeprom has an invalid size\n");
139 + eep = ioremap(eep_res->start, resource_size(eep_res));
140 + memcpy_fromio(ath9k_pdata.eeprom_data, eep,
141 + ATH9K_PLAT_EEP_MAX_WORDS << 1);
144 + if (of_find_property(np, "ath,eep-swap", NULL))
145 + for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++)
146 + ath9k_pdata.eeprom_data[i] = swab16(ath9k_pdata.eeprom_data[i]);
148 + if (of_find_property(np, "ath,eep-endian", NULL)) {
149 + ath9k_pdata.endian_check = true;
151 + dev_info(&pdev->dev, "endian check enabled.\n");
154 + if (!is_valid_ether_addr(athxk_eeprom_mac)) {
156 + if (resource_size(mac_res) != 6) {
157 + dev_err(&pdev->dev, "mac has an invalid size\n");
160 + mac = ioremap(mac_res->start, resource_size(mac_res));
161 + memcpy_fromio(athxk_eeprom_mac, mac, 6);
162 + } else if (ltq_get_eth_mac()) {
163 + memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
166 + if (!is_valid_ether_addr(athxk_eeprom_mac)) {
167 + dev_warn(&pdev->dev, "using random mac\n");
168 + random_ether_addr(athxk_eeprom_mac);
171 + if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
172 + athxk_eeprom_mac[5] += mac_inc;
174 + ath9k_pdata.macaddr = athxk_eeprom_mac;
175 + ltq_pci_plat_dev_init = ath9k_pci_plat_dev_init;
177 + if (!of_property_read_u32(np, "ath,pci-slot", &pci_slot)) {
178 + ltq_pci_ath_fixup(pci_slot, ath9k_pdata.eeprom_data);
180 + dev_info(&pdev->dev, "pci slot: %u\n", pci_slot);
181 + if (ath9k_eep_load) {
182 + struct pci_dev *d = NULL;
183 + while ((d = pci_get_device(PCI_VENDOR_ID_ATHEROS,
184 + PCI_ANY_ID, d)) != NULL)
185 + pci_fixup_device(pci_fixup_early, d);
190 + if (!of_property_read_u32(np, "ath,led-pin", &led_pin)) {
191 + ath9k_pdata.led_pin = led_pin;
192 + dev_info(&pdev->dev, "using led pin %d.\n", led_pin);
195 + dev_info(&pdev->dev, "loaded ath9k eeprom\n");
200 +static struct of_device_id ath9k_eeprom_ids[] = {
201 + { .compatible = "ath9k,eeprom" },
205 +static struct platform_driver ath9k_eeprom_driver = {
207 + .name = "ath9k,eeprom",
208 + .owner = THIS_MODULE,
209 + .of_match_table = of_match_ptr(ath9k_eeprom_ids),
213 +static int __init of_ath9k_eeprom_init(void)
215 + int ret = platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
218 + ath9k_eep_load = 1;
223 +static int __init of_ath9k_eeprom_init_late(void)
225 + if (!ath9k_eep_load)
227 + return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
229 +late_initcall(of_ath9k_eeprom_init_late);
230 +subsys_initcall(of_ath9k_eeprom_init);
233 +static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
235 + dev->dev.platform_data = &ath5k_pdata;
239 +int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
241 + struct device_node *np = pdev->dev.of_node, *mtd_np;
242 + struct resource *eep_res, *mac_res = NULL;
243 + void __iomem *eep, *mac;
247 + struct mtd_info *the_mtd;
248 + size_t flash_readlen;
249 + const __be32 *list;
253 + if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
254 + sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
255 + (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
256 + of_get_property(mtd_np, "label", NULL)) || (part =
257 + mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
258 + != ERR_PTR(-ENODEV)) {
259 + i = mtd_read(the_mtd, be32_to_cpup(list),
260 + ATH5K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
261 + (void *) ath5k_pdata.eeprom_data);
262 + put_mtd_device(the_mtd);
263 + if ((sizeof(ATH5K_PLAT_EEP_MAX_WORDS << 1) != flash_readlen)
265 + dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
269 + eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
270 + mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
273 + dev_err(&pdev->dev, "failed to load eeprom address\n");
276 + if (resource_size(eep_res) != ATH5K_PLAT_EEP_MAX_WORDS << 1) {
277 + dev_err(&pdev->dev, "eeprom has an invalid size\n");
281 + eep = ioremap(eep_res->start, resource_size(eep_res));
282 + ath5k_pdata.eeprom_data = kmalloc(ATH5K_PLAT_EEP_MAX_WORDS<<1,
284 + memcpy_fromio(ath5k_pdata.eeprom_data, eep,
285 + ATH5K_PLAT_EEP_MAX_WORDS << 1);
288 + if (of_find_property(np, "ath,eep-swap", NULL))
289 + for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; i++)
290 + ath5k_pdata.eeprom_data[i] = swab16(ath5k_pdata.eeprom_data[i]);
292 + if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
293 + memcpy_fromio(athxk_eeprom_mac, (void*) ath5k_pdata.eeprom_data + mac_offset, 6);
294 + } else if (mac_res) {
295 + if (resource_size(mac_res) != 6) {
296 + dev_err(&pdev->dev, "mac has an invalid size\n");
299 + mac = ioremap(mac_res->start, resource_size(mac_res));
300 + memcpy_fromio(athxk_eeprom_mac, mac, 6);
301 + } else if (ltq_get_eth_mac())
302 + memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
304 + dev_warn(&pdev->dev, "using random mac\n");
305 + random_ether_addr(athxk_eeprom_mac);
308 + if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
309 + athxk_eeprom_mac[5] += mac_inc;
311 + ath5k_pdata.macaddr = athxk_eeprom_mac;
312 + ltq_pci_plat_dev_init = ath5k_pci_plat_dev_init;
314 + dev_info(&pdev->dev, "loaded ath5k eeprom\n");
319 +static struct of_device_id ath5k_eeprom_ids[] = {
320 + { .compatible = "ath5k,eeprom" },
324 +static struct platform_driver ath5k_eeprom_driver = {
326 + .name = "ath5k,eeprom",
327 + .owner = THIS_MODULE,
328 + .of_match_table = of_match_ptr(ath5k_eeprom_ids),
332 +static int __init of_ath5k_eeprom_init(void)
334 + return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
336 +device_initcall(of_ath5k_eeprom_init);
338 +++ b/arch/mips/lantiq/xway/eth_mac.c
341 + * Copyright (C) 2012 John Crispin <blogic@openwrt.org>
343 + * This program is free software; you can redistribute it and/or modify it
344 + * under the terms of the GNU General Public License version 2 as published
345 + * by the Free Software Foundation.
348 +#include <linux/init.h>
349 +#include <linux/module.h>
350 +#include <linux/of_platform.h>
351 +#include <linux/if_ether.h>
353 +static u8 eth_mac[6];
354 +static int eth_mac_set;
356 +const u8* ltq_get_eth_mac(void)
361 +static int __init setup_ethaddr(char *str)
363 + eth_mac_set = mac_pton(str, eth_mac);
364 + return !eth_mac_set;
366 +__setup("ethaddr=", setup_ethaddr);
368 +int __init of_eth_mac_probe(struct platform_device *pdev)
370 + struct device_node *np = pdev->dev.of_node;
371 + struct resource *mac_res;
376 + dev_err(&pdev->dev, "mac was already set by bootloader\n");
379 + mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
382 + dev_err(&pdev->dev, "failed to load mac\n");
385 + if (resource_size(mac_res) != 6) {
386 + dev_err(&pdev->dev, "mac has an invalid size\n");
389 + mac = ioremap(mac_res->start, resource_size(mac_res));
390 + memcpy_fromio(eth_mac, mac, 6);
392 + if (!of_property_read_u32(np, "mac-increment", &mac_inc))
393 + eth_mac[5] += mac_inc;
398 +static struct of_device_id eth_mac_ids[] = {
399 + { .compatible = "lantiq,eth-mac" },
403 +static struct platform_driver eth_mac_driver = {
405 + .name = "lantiq,eth-mac",
406 + .owner = THIS_MODULE,
407 + .of_match_table = of_match_ptr(eth_mac_ids),
411 +static int __init of_eth_mac_init(void)
413 + return platform_driver_probe(ð_mac_driver, of_eth_mac_probe);
415 +device_initcall(of_eth_mac_init);
417 +++ b/arch/mips/lantiq/xway/pci-ath-fixup.c
420 + * Atheros AP94 reference board PCI initialization
422 + * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
424 + * This program is free software; you can redistribute it and/or modify it
425 + * under the terms of the GNU General Public License version 2 as published
426 + * by the Free Software Foundation.
429 +#include <linux/pci.h>
430 +#include <linux/init.h>
431 +#include <linux/delay.h>
432 +#include <lantiq_soc.h>
434 +#define LTQ_PCI_MEM_BASE 0x18000000
441 +static int ath_num_fixups;
442 +static struct ath_fixup ath_fixups[2];
444 +static void ath_pci_fixup(struct pci_dev *dev)
447 + u16 *cal_data = NULL;
453 + for (i = 0; i < ath_num_fixups; i++) {
454 + if (ath_fixups[i].cal_data == NULL)
457 + if (ath_fixups[i].slot != PCI_SLOT(dev->devfn))
460 + cal_data = ath_fixups[i].cal_data;
464 + if (cal_data == NULL)
467 + if (*cal_data != 0xa55a) {
468 + pr_err("pci %s: invalid calibration data\n", pci_name(dev));
472 + pr_info("pci %s: fixup device configuration\n", pci_name(dev));
474 + mem = ioremap(LTQ_PCI_MEM_BASE, 0x10000);
476 + pr_err("pci %s: ioremap error\n", pci_name(dev));
480 + pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
481 + pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, LTQ_PCI_MEM_BASE);
482 + pci_read_config_word(dev, PCI_COMMAND, &cmd);
483 + cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
484 + pci_write_config_word(dev, PCI_COMMAND, cmd);
486 + /* set pointer to first reg address */
488 + while (*cal_data != 0xffff) {
492 + val |= (*cal_data++) << 16;
494 + ltq_w32(swab32(val), mem + reg);
498 + pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
499 + dev->vendor = val & 0xffff;
500 + dev->device = (val >> 16) & 0xffff;
502 + pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
503 + dev->revision = val & 0xff;
504 + dev->class = val >> 8; /* upper 3 bytes */
506 + pr_info("pci %s: fixup info: [%04x:%04x] revision %02x class %#08x\n",
507 + pci_name(dev), dev->vendor, dev->device, dev->revision, dev->class);
509 + pci_read_config_word(dev, PCI_COMMAND, &cmd);
510 + cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
511 + pci_write_config_word(dev, PCI_COMMAND, cmd);
513 + pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
517 +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath_pci_fixup);
519 +void __init ltq_pci_ath_fixup(unsigned slot, u16 *cal_data)
521 + if (ath_num_fixups >= ARRAY_SIZE(ath_fixups))
524 + ath_fixups[ath_num_fixups].slot = slot;
525 + ath_fixups[ath_num_fixups].cal_data = cal_data;
529 +++ b/arch/mips/lantiq/xway/rt_eep.c
532 + * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
534 + * This program is free software; you can redistribute it and/or modify it
535 + * under the terms of the GNU General Public License version 2 as published
536 + * by the Free Software Foundation.
539 +#include <linux/init.h>
540 +#include <linux/module.h>
541 +#include <linux/pci.h>
542 +#include <linux/platform_device.h>
543 +#include <linux/rt2x00_platform.h>
545 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
546 +static struct rt2x00_platform_data rt2x00_pdata;
548 +static int rt2x00_pci_plat_dev_init(struct pci_dev *dev)
550 + dev->dev.platform_data = &rt2x00_pdata;
554 +int __init of_ralink_eeprom_probe(struct platform_device *pdev)
556 + struct device_node *np = pdev->dev.of_node;
557 + const char *eeprom;
559 + if (of_property_read_string(np, "ralink,eeprom", &eeprom)) {
560 + dev_err(&pdev->dev, "failed to load eeprom filename\n");
564 + rt2x00_pdata.eeprom_file_name = kstrdup(eeprom, GFP_KERNEL);
565 +// rt2x00_pdata.mac_address = mac;
566 + ltq_pci_plat_dev_init = rt2x00_pci_plat_dev_init;
568 + dev_info(&pdev->dev, "using %s as eeprom\n", eeprom);
573 +static struct of_device_id ralink_eeprom_ids[] = {
574 + { .compatible = "ralink,eeprom" },
578 +static struct platform_driver ralink_eeprom_driver = {
580 + .name = "ralink,eeprom",
581 + .owner = THIS_MODULE,
582 + .of_match_table = of_match_ptr(ralink_eeprom_ids),
586 +static int __init of_ralink_eeprom_init(void)
588 + return platform_driver_probe(&ralink_eeprom_driver, of_ralink_eeprom_probe);
590 +device_initcall(of_ralink_eeprom_init);
591 --- a/drivers/net/ethernet/lantiq_etop.c
592 +++ b/drivers/net/ethernet/lantiq_etop.c
606 - memcpy(&mac, &priv->pldata->mac, sizeof(struct sockaddr));
608 + memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
610 + memcpy(&mac.sa_data, ltq_get_eth_mac(), ETH_ALEN);
612 if (!is_valid_ether_addr(mac.sa_data)) {
613 pr_warn("etop: invalid MAC, using random\n");
614 eth_random_addr(mac.sa_data);