bmips: drop unneeded ath9k fixup
We no longer need the custom ath9k fixup now that we're using the standard kmod-owl-loader. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
@@ -1,242 +0,0 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* ATH9K Fixup Driver
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*
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* Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
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* Copyright (C) 2014 Jonas Gorski <jonas.gorski@gmail.com>
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* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
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* Copyright (C) 2008 Florian Fainelli <f.fainelli@gmail.com>
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*/
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#include <linux/delay.h>
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#include <linux/etherdevice.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/mtd/mtd.h>
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#include <linux/of_net.h>
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#include <linux/of_platform.h>
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#include <linux/pci.h>
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#include <linux/types.h>
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#include <linux/ath9k_platform.h>
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#define ATH9K_MAX_FIXUPS 2
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#define ATH9K_DEF_LED_PIN -1
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#define ATH9K_DEF_PCI_DEV 255
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struct ath9k_fixup {
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struct device *dev;
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struct resource *mem_res;
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u32 pci_dev;
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u8 mac[ETH_ALEN];
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struct ath9k_platform_data pdata;
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};
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static int ath9k_num_fixups;
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static struct ath9k_fixup *ath9k_fixups[ATH9K_MAX_FIXUPS];
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static void ath9k_pci_fixup(struct pci_dev *dev)
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{
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void __iomem *mem;
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struct ath9k_fixup *priv = NULL;
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struct ath9k_platform_data *pdata = NULL;
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struct pci_dev *bridge = pci_upstream_bridge(dev);
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u16 *cal_data = NULL;
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u16 cmd;
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u32 bar0;
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u32 val;
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unsigned i;
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int rc;
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for (i = 0; i < ath9k_num_fixups; i++) {
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if (ath9k_fixups[i]->pci_dev != PCI_SLOT(dev->devfn))
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continue;
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priv = ath9k_fixups[i];
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cal_data = priv->pdata.eeprom_data;
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pdata = &priv->pdata;
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break;
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}
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if (cal_data == NULL)
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return;
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if (*cal_data != 0xa55a) {
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pr_err("pci %s: invalid calibration data\n", pci_name(dev));
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return;
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}
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pr_info("pci %s: fixup device configuration\n", pci_name(dev));
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val = priv->mem_res->start;
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mem = ioremap(priv->mem_res->start, resource_size(priv->mem_res));
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if (!mem) {
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pr_err("pci %s: ioremap error\n", pci_name(dev));
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return;
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}
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if (bridge) {
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rc = pci_enable_device(bridge);
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if (rc < 0)
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pr_err("pci %s: bridge enable error\n", pci_name(dev));
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}
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pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
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pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
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pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, val);
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pci_read_config_word(dev, PCI_COMMAND, &cmd);
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cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
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pci_write_config_word(dev, PCI_COMMAND, cmd);
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/* set offset to first reg address */
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cal_data += 3;
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while(*cal_data != 0xffff) {
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u32 reg;
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reg = *cal_data++;
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val = *cal_data++;
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val |= (*cal_data++) << 16;
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writel(val, mem + reg);
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udelay(100);
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}
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pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
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dev->vendor = val & 0xffff;
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dev->device = (val >> 16) & 0xffff;
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pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
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dev->revision = val & 0xff;
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dev->class = val >> 8; /* upper 3 bytes */
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pci_read_config_word(dev, PCI_COMMAND, &cmd);
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cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
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pci_write_config_word(dev, PCI_COMMAND, cmd);
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pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
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if (bridge)
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pci_disable_device(bridge);
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iounmap(mem);
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dev->dev.platform_data = pdata;
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}
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath9k_pci_fixup);
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static int ath9k_mtd_eeprom(struct ath9k_fixup *priv)
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{
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struct device *dev = priv->dev;
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struct device_node *node = dev->of_node;
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struct device_node *mtd_np = NULL;
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struct mtd_info *the_mtd;
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phandle phandle;
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size_t eeprom_readlen;
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const char *part;
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const __be32 *list;
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int ret, i;
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list = of_get_property(node, "ath,eeprom", &i);
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if (!list || (i != (2 * sizeof(*list))))
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return -ENODEV;
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phandle = be32_to_cpup(list++);
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if (phandle)
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mtd_np = of_find_node_by_phandle(phandle);
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if (!mtd_np)
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return -ENODEV;
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part = of_get_property(mtd_np, "label", NULL);
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if (!part)
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part = mtd_np->name;
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the_mtd = get_mtd_device_nm(part);
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if (IS_ERR(the_mtd))
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return -ENODEV;
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ret = mtd_read(the_mtd, be32_to_cpup(list),
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ATH9K_PLAT_EEP_MAX_WORDS * sizeof(u16),
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&eeprom_readlen, (void *) priv->pdata.eeprom_data);
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put_mtd_device(the_mtd);
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if (ret)
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return ret;
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return 0;
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}
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static int ath9k_fixup_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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struct device_node *node = dev->of_node;
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struct ath9k_fixup *priv;
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struct resource *res;
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int ret;
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if (ath9k_num_fixups >= ATH9K_MAX_FIXUPS)
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return -ENOMEM;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res)
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return -EINVAL;
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priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
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if (!priv)
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return -ENOMEM;
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priv->dev = dev;
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priv->mem_res = res;
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ret = of_property_read_u32(node, "pci-dev", &priv->pci_dev);
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if (ret)
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priv->pci_dev = ATH9K_DEF_PCI_DEV;
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ret = ath9k_mtd_eeprom(priv);
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if (ret)
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return ret;
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priv->pdata.endian_check = of_property_read_bool(node,
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"ath,endian-check");
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ret = of_property_read_s32(node, "ath,led-pin", &priv->pdata.led_pin);
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if (ret)
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priv->pdata.led_pin = ATH9K_DEF_LED_PIN;
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priv->pdata.led_active_high = of_property_read_bool(node,
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"ath,led-active-high");
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of_get_mac_address(node, priv->mac);
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if (is_valid_ether_addr(priv->mac)) {
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dev_info(dev, "mtd mac %pM\n", priv->mac);
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} else {
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random_ether_addr(priv->mac);
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dev_info(dev, "random mac %pM\n", priv->mac);
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}
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priv->pdata.macaddr = priv->mac;
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ath9k_fixups[ath9k_num_fixups] = priv;
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ath9k_num_fixups++;
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return 0;
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}
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static const struct of_device_id ath9k_fixup_of_match[] = {
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{ .compatible = "brcm,ath9k-fixup" },
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{ /* sentinel */ }
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};
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static struct platform_driver ath9k_fixup_driver = {
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.probe = ath9k_fixup_probe,
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.driver = {
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.name = "ath9k-fixup",
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.of_match_table = ath9k_fixup_of_match,
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},
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};
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int __init ath9k_fixup_init(void)
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{
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int ret = platform_driver_register(&ath9k_fixup_driver);
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if (ret)
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pr_err("ath9k_fixup: Error registering platform driver!\n");
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return ret;
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}
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late_initcall(ath9k_fixup_init);
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@@ -3,4 +3,4 @@
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@@ -1,2 +1,3 @@
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# SPDX-License-Identifier: GPL-2.0-only
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obj-y += setup.o irq.o dma.o
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+obj-y += ath9k-fixup.o b43-sprom.o
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+obj-y += b43-sprom.o
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