lantiq: drop ath9k device tree binding & ath9k pci fixup
authorMathias Kresin <dev@kresin.me>
Sat, 6 Aug 2016 07:19:45 +0000 (09:19 +0200)
committerMathias Kresin <dev@kresin.me>
Tue, 29 Nov 2016 20:40:16 +0000 (21:40 +0100)
Due to the addition of the bindings to the ath9k driver, this code
isn't used any longer. The fixup is now done by the owloader.

Rename the ath_eep.c file to ath5k_eep.c to indicate that this files
includes ath5k related code only.

Signed-off-by: Mathias Kresin <dev@kresin.me>
target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch

index fffd42d0ecd5172e3deb50d835b1b3ec066b7673..73b3c3a3c04a2b6543388654613da456c260ed42 100644 (file)
@@ -5,28 +5,15 @@ Subject: [PATCH 35/36] owrt: lantiq: wifi and ethernet eeprom handling
 
 Signed-off-by: John Crispin <blogic@openwrt.org>
 ---
- arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h  |   6 +
  .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h |   3 +
  arch/mips/lantiq/xway/Makefile                     |   3 +
- arch/mips/lantiq/xway/ath_eep.c                    | 299 +++++++++++++++++++++
- arch/mips/lantiq/xway/eth_mac.c                    |  25 ++
- arch/mips/lantiq/xway/pci-ath-fixup.c              | 118 ++++++++
+ arch/mips/lantiq/xway/ath5k_eep.c                  | 136 +++++++++++++++++++++
+ arch/mips/lantiq/xway/eth_mac.c                    |  25 ++++
  drivers/net/ethernet/lantiq_etop.c                 |   6 +-
- 7 files changed, 459 insertions(+), 1 deletion(-)
- create mode 100644 arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
- create mode 100644 arch/mips/lantiq/xway/ath_eep.c
+ 5 files changed, 172 insertions(+), 1 deletion(-)
+ create mode 100644 arch/mips/lantiq/xway/ath5k_eep.c
  create mode 100644 arch/mips/lantiq/xway/eth_mac.c
- create mode 100644 arch/mips/lantiq/xway/pci-ath-fixup.c
 
---- /dev/null
-+++ b/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
-@@ -0,0 +1,6 @@
-+#ifndef _PCI_ATH_FIXUP
-+#define _PCI_ATH_FIXUP
-+
-+void ltq_pci_ath_fixup(unsigned slot, u16 *cal_data) __init;
-+
-+#endif /* _PCI_ATH_FIXUP */
 --- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
 +++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
 @@ -104,5 +104,8 @@ int xrx200_gphy_boot(struct device *dev,
@@ -45,12 +32,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
  obj-y += vmmc.o tffs.o
  
 +obj-y += eth_mac.o
-+obj-$(CONFIG_PCI) += ath_eep.o pci-ath-fixup.o
++obj-$(CONFIG_PCI) += ath5k_eep.o
 +
  obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
 --- /dev/null
-+++ b/arch/mips/lantiq/xway/ath_eep.c
-@@ -0,0 +1,299 @@
++++ b/arch/mips/lantiq/xway/ath5k_eep.c
+@@ -0,0 +1,136 @@
 +/*
 + *  Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
@@ -65,181 +52,18 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 + */
 +
 +#include <linux/init.h>
-+#include <linux/module.h>
 +#include <linux/platform_device.h>
 +#include <linux/etherdevice.h>
 +#include <linux/ath5k_platform.h>
-+#include <linux/ath9k_platform.h>
 +#include <linux/pci.h>
 +#include <linux/err.h>
 +#include <linux/mtd/mtd.h>
-+#include <pci-ath-fixup.h>
 +#include <lantiq_soc.h>
 +
 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
 +struct ath5k_platform_data ath5k_pdata;
-+struct ath9k_platform_data ath9k_pdata = {
-+      .led_pin = -1,
-+};
 +static u8 athxk_eeprom_mac[6];
 +
-+static int ath9k_pci_plat_dev_init(struct pci_dev *dev)
-+{
-+      dev->dev.platform_data = &ath9k_pdata;
-+      return 0;
-+}
-+
-+static int ath9k_eep_load;
-+int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
-+{
-+      struct device_node *np = pdev->dev.of_node, *mtd_np = NULL;
-+      int mac_offset, led_pin;
-+      u32 mac_inc = 0, pci_slot = 0;
-+      int i;
-+      struct mtd_info *the_mtd;
-+      size_t flash_readlen;
-+      const __be32 *list;
-+      const char *part;
-+      phandle phandle;
-+      u16 dev_ids[2] = { 0 };
-+
-+      list = of_get_property(np, "ath,eep-flash", &i);
-+      if (!list || (i != (2 * sizeof(*list))))
-+              return -ENODEV;
-+
-+      phandle = be32_to_cpup(list++);
-+      if (phandle)
-+              mtd_np = of_find_node_by_phandle(phandle);
-+
-+      if (!mtd_np)
-+              return -ENODEV;
-+
-+      part = of_get_property(mtd_np, "label", NULL);
-+      if (!part)
-+              part = mtd_np->name;
-+
-+      the_mtd = get_mtd_device_nm(part);
-+      if (IS_ERR(the_mtd))
-+              return -ENODEV;
-+
-+      i = mtd_read(the_mtd, be32_to_cpup(list), ATH9K_PLAT_EEP_MAX_WORDS << 1,
-+              &flash_readlen, (void *) ath9k_pdata.eeprom_data);
-+
-+      if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
-+              size_t mac_readlen;
-+              mtd_read(the_mtd, mac_offset, 6, &mac_readlen,
-+                      (void *) athxk_eeprom_mac);
-+      }
-+      put_mtd_device(the_mtd);
-+
-+      if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) {
-+              dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
-+              return -ENODEV;
-+      }
-+
-+      if (of_find_property(np, "ath,eep-swap", NULL))
-+              for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++)
-+                      ath9k_pdata.eeprom_data[i] = swab16(ath9k_pdata.eeprom_data[i]);
-+
-+      if (of_find_property(np, "ath,eep-endian", NULL)) {
-+              ath9k_pdata.endian_check = true;
-+
-+              dev_info(&pdev->dev, "endian check enabled.\n");
-+      }
-+
-+      if (!is_valid_ether_addr(athxk_eeprom_mac) && ltq_get_eth_mac())
-+              memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
-+
-+      if (!is_valid_ether_addr(athxk_eeprom_mac)) {
-+              dev_warn(&pdev->dev, "using random mac\n");
-+              random_ether_addr(athxk_eeprom_mac);
-+      }
-+
-+      if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
-+              athxk_eeprom_mac[5] += mac_inc;
-+
-+      ath9k_pdata.macaddr = athxk_eeprom_mac;
-+      ltq_pci_plat_dev_init = ath9k_pci_plat_dev_init;
-+
-+      if (!of_property_read_u32(np, "ath,pci-slot", &pci_slot)) {
-+              ltq_pci_ath_fixup(pci_slot, ath9k_pdata.eeprom_data);
-+
-+              dev_info(&pdev->dev, "pci slot: %u\n", pci_slot);
-+                if (ath9k_eep_load) {
-+                        struct pci_dev *d = NULL;
-+                        while ((d = pci_get_device(PCI_VENDOR_ID_ATHEROS,
-+                                        PCI_ANY_ID, d)) != NULL)
-+                                pci_fixup_device(pci_fixup_early, d);
-+                }
-+
-+      }
-+
-+      if (!of_property_read_u16_array(np, "ath,device-id", dev_ids, 2)) {
-+              struct pci_dev *d = NULL;
-+
-+              while ((d = pci_get_device(PCI_VENDOR_ID_ATHEROS,
-+                                         dev_ids[0], d)) != NULL)
-+                      d->device = dev_ids[1];
-+      }
-+
-+      if (!of_property_read_u32(np, "ath,led-pin", &led_pin)) {
-+              ath9k_pdata.led_pin = led_pin;
-+              dev_info(&pdev->dev, "using led pin %d.\n", led_pin);
-+      }
-+
-+      if (of_property_read_bool(np, "ath,led-active-high")) {
-+              ath9k_pdata.led_active_high = true;
-+              dev_info(&pdev->dev, "inverted LED polarity\n");
-+      }
-+
-+      if (of_property_read_bool(np, "ath,disable-2ghz")) {
-+              ath9k_pdata.disable_2ghz = true;
-+              dev_info(&pdev->dev, "disabled 2.4 GHz band\n");
-+      }
-+
-+      if (of_property_read_bool(np, "ath,disable-5ghz")) {
-+              ath9k_pdata.disable_5ghz = true;
-+              dev_info(&pdev->dev, "disabled 5 GHz band\n");
-+      }
-+
-+      dev_info(&pdev->dev, "loaded ath9k eeprom\n");
-+
-+      return 0;
-+}
-+
-+static struct of_device_id ath9k_eeprom_ids[] = {
-+      { .compatible = "ath9k,eeprom" },
-+      { }
-+};
-+
-+static struct platform_driver ath9k_eeprom_driver = {
-+      .driver         = {
-+              .name           = "ath9k,eeprom",
-+              .owner  = THIS_MODULE,
-+              .of_match_table = of_match_ptr(ath9k_eeprom_ids),
-+      },
-+};
-+
-+static int __init of_ath9k_eeprom_init(void)
-+{
-+        int ret = platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
-+
-+        if (ret)
-+                ath9k_eep_load = 1;
-+
-+        return ret;
-+}
-+
-+static int __init of_ath9k_eeprom_init_late(void)
-+{
-+        if (!ath9k_eep_load)
-+                return 0;
-+        return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
-+}
-+late_initcall(of_ath9k_eeprom_init_late);
-+subsys_initcall(of_ath9k_eeprom_init);
-+
-+
 +static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
 +{
 +      dev->dev.platform_data = &ath5k_pdata;
@@ -378,127 +202,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +      return !eth_mac_set;
 +}
 +early_param("ethaddr", setup_ethaddr);
---- /dev/null
-+++ b/arch/mips/lantiq/xway/pci-ath-fixup.c
-@@ -0,0 +1,118 @@
-+/*
-+ *  Atheros AP94 reference board PCI initialization
-+ *
-+ *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
-+ *
-+ *  This program is free software; you can redistribute it and/or modify it
-+ *  under the terms of the GNU General Public License version 2 as published
-+ *  by the Free Software Foundation.
-+ */
-+
-+#include <linux/pci.h>
-+#include <linux/init.h>
-+#include <linux/delay.h>
-+#include <lantiq_soc.h>
-+
-+struct ath_fixup {
-+      u16             *cal_data;
-+      unsigned        slot;
-+};
-+
-+static int ath_num_fixups;
-+static struct ath_fixup ath_fixups[2];
-+
-+static void ath_pci_fixup(struct pci_dev *dev)
-+{
-+      void __iomem *mem;
-+      struct pci_dev *bridge = pci_upstream_bridge(dev); 
-+      u16 *cal_data = NULL;
-+      u16 cmd;
-+      u32 bar0;
-+      u32 val;
-+      u32 base;
-+      unsigned i;
-+
-+      for (i = 0; i < ath_num_fixups; i++) {
-+              if (ath_fixups[i].cal_data == NULL)
-+                      continue;
-+
-+              if (ath_fixups[i].slot != PCI_SLOT(dev->devfn))
-+                      continue;
-+
-+              cal_data = ath_fixups[i].cal_data;
-+              break;
-+      }
-+
-+      if (cal_data == NULL)
-+              return;
-+
-+      if (*cal_data != 0xa55a) {
-+              pr_err("pci %s: invalid calibration data\n", pci_name(dev));
-+              return;
-+      }
-+
-+      pr_info("pci %s: fixup device configuration\n", pci_name(dev));
-+
-+      base = dev->resource[0].start;
-+      mem = ioremap(base, 0x10000);
-+      if (!mem) {
-+              pr_err("pci %s: ioremap error\n", pci_name(dev));
-+              return;
-+      }
-+
-+      if (bridge) {
-+              pci_enable_device(dev);
-+      }
-+
-+      pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
-+      pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, base);
-+      pci_read_config_word(dev, PCI_COMMAND, &cmd);
-+      cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
-+      pci_write_config_word(dev, PCI_COMMAND, cmd);
-+
-+      /* set pointer to first reg address */
-+      cal_data += 3;
-+      while (*cal_data != 0xffff) {
-+              u32 reg;
-+              reg = *cal_data++;
-+              val = *cal_data++;
-+              val |= (*cal_data++) << 16;
-+
-+              ltq_w32(swab32(val), mem + reg);
-+              udelay(100);
-+      }
-+
-+      pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
-+      dev->vendor = val & 0xffff;
-+      dev->device = (val >> 16) & 0xffff;
-+
-+      pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
-+      dev->revision = val & 0xff;
-+      dev->class = val >> 8; /* upper 3 bytes */
-+
-+      pr_info("pci %s: fixup info: [%04x:%04x] revision %02x class %#08x\n", 
-+              pci_name(dev), dev->vendor, dev->device, dev->revision, dev->class);
-+
-+      pci_read_config_word(dev, PCI_COMMAND, &cmd);
-+      cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
-+      pci_write_config_word(dev, PCI_COMMAND, cmd);
-+
-+      pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
-+
-+      if (bridge) {
-+              pci_disable_device(dev);
-+      }
-+
-+      iounmap(mem);
-+}
-+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath_pci_fixup);
-+
-+void __init ltq_pci_ath_fixup(unsigned slot, u16 *cal_data)
-+{
-+      if (ath_num_fixups >= ARRAY_SIZE(ath_fixups))
-+              return;
-+
-+      ath_fixups[ath_num_fixups].slot = slot;
-+      ath_fixups[ath_num_fixups].cal_data = cal_data;
-+      ath_num_fixups++;
-+}
 --- a/drivers/net/ethernet/lantiq_etop.c
 +++ b/drivers/net/ethernet/lantiq_etop.c
 @@ -840,7 +840,11 @@ ltq_etop_init(struct net_device *dev)