[lantiq] cleanup atheros wifi handling

Signed-off-by: Andrej Vlašić <andrej.vlasic0@gmail.com>
Signed-off-by: Luka Perkov <openwrt@lukaperkov.net>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31064 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-athxk.c

@@ -10,12 +10,16 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/ath5k_platform.h>
+#include <linux/ath9k_platform.h>
 #include <linux/pci.h>
 
-#include "dev-wifi-ath5k.h"
+#include "dev-wifi-athxk.h"
 
 extern int (*ltqpci_plat_dev_init)(struct pci_dev *dev);
 struct ath5k_platform_data ath5k_pdata;
+struct ath9k_platform_data ath9k_pdata = {
+	.led_pin = -1,
+};
 
 static int
 ath5k_pci_plat_dev_init(struct pci_dev *dev)
@@ -24,6 +28,13 @@ ath5k_pci_plat_dev_init(struct pci_dev *dev)
 	return 0;
 }
 
+static int
+ath9k_pci_plat_dev_init(struct pci_dev *dev)
+{
+	dev->dev.platform_data = &ath9k_pdata;
+	return 0;
+}
+
 void __init
 ltq_register_ath5k(u16 *eeprom_data, u8 *macaddr)
 {
@@ -31,3 +42,11 @@ ltq_register_ath5k(u16 *eeprom_data, u8 *macaddr)
 	ath5k_pdata.macaddr = macaddr;
 	ltqpci_plat_dev_init = ath5k_pci_plat_dev_init;
 }
+
+void __init
+ltq_register_ath9k(u16 *eeprom_data, u8 *macaddr)
+{
+	memcpy(ath9k_pdata.eeprom_data, eeprom_data, sizeof(ath9k_pdata.eeprom_data));
+	ath9k_pdata.macaddr = macaddr;
+	ltqpci_plat_dev_init = ath9k_pci_plat_dev_init;
+}

target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-athxk.h

@@ -7,9 +7,10 @@
  *  by the Free Software Foundation.
  */
 
-#ifndef _DEV_WIFI_ATH5K_H__
-#define _DEV_WIFI_ATH5K_H__
+#ifndef _DEV_WIFI_ATHXK_H__
+#define _DEV_WIFI_ATHXK_H__
 
 extern void ltq_register_ath5k(u16 *eeprom_data, u8 *macaddr);
+extern void ltq_register_ath9k(u16 *eeprom_data, u8 *macaddr);
 
 #endif

target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/pci-ath-fixup.c

@@ -0,0 +1,109 @@
+/*
+ *  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>
+
+#define LTQ_PCI_MEM_BASE		0x18000000
+
+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;
+	u16 *cal_data = NULL;
+	u16 cmd;
+	u32 bar0;
+	u32 val;
+	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));
+
+	mem = ioremap(LTQ_PCI_MEM_BASE, 0x10000);
+	if (!mem) {
+		pr_err("pci %s: ioremap error\n", pci_name(dev));
+		return;
+	}
+
+	pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
+	pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, LTQ_PCI_MEM_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);
+
+	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++;
+}

target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/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 */