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authorJohn Crispin <john@openwrt.org>2012-03-25 08:50:38 +0000
committerJohn Crispin <john@openwrt.org>2012-03-25 08:50:38 +0000
commitb982e8166bebeb79c64aae2689c06db06fe6d506 (patch)
tree4fb743bd5b3a3bd2f8f746847257a63640d720a1 /target/linux
parent5ea100c39bb6ca5718ef7dc694119c85d405439c (diff)
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cleanup atheros wifi handling
Signed-off-by: Andrej Vlašić <andrej.vlasic0@gmail.com> Signed-off-by: Luka Perkov <openwrt@lukaperkov.net> SVN-Revision: 31064
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-athxk.c (renamed from target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-ath5k.c)23
-rw-r--r--target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-athxk.h (renamed from target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-ath5k.h)5
-rw-r--r--target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/pci-ath-fixup.c109
-rw-r--r--target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/pci-ath-fixup.h6
4 files changed, 139 insertions, 4 deletions
diff --git a/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-ath5k.c b/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-athxk.c
index 14fd511..882cd8c 100644
--- a/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-ath5k.c
+++ b/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-athxk.c
@@ -10,20 +10,31 @@
#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
+static int
ath5k_pci_plat_dev_init(struct pci_dev *dev)
{
dev->dev.platform_data = &ath5k_pdata;
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;
+}
diff --git a/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-ath5k.h b/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-athxk.h
index 37f6e41..5fdb46b 100644
--- a/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/dev-wifi-ath5k.h
+++ b/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
diff --git a/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/pci-ath-fixup.c b/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/pci-ath-fixup.c
new file mode 100644
index 0000000..c87ffb2
--- /dev/null
+++ b/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++;
+}
diff --git a/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/pci-ath-fixup.h b/target/linux/lantiq/files-3.2/arch/mips/lantiq/xway/pci-ath-fixup.h
new file mode 100644
index 0000000..095d261
--- /dev/null
+++ b/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 */