OpenWrt – Rev 1

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Rev:
--- a/local-symbols
+++ b/local-symbols
@@ -305,6 +305,7 @@ RT2X00_LIB_FIRMWARE=
 RT2X00_LIB_CRYPTO=
 RT2X00_LIB_LEDS=
 RT2X00_LIB_DEBUGFS=
+RT2X00_LIB_EEPROM=
 RT2X00_DEBUG=
 WLAN_VENDOR_REALTEK=
 RTL8180=
--- a/drivers/net/wireless/ralink/rt2x00/Kconfig
+++ b/drivers/net/wireless/ralink/rt2x00/Kconfig
@@ -69,6 +69,7 @@ config RT2800PCI
        select RT2X00_LIB_MMIO
        select RT2X00_LIB_PCI
        select RT2X00_LIB_FIRMWARE
+       select RT2X00_LIB_EEPROM
        select RT2X00_LIB_CRYPTO
        depends on CRC_CCITT
        depends on EEPROM_93CX6
@@ -215,6 +216,7 @@ config RT2800SOC
        select RT2X00_LIB_MMIO
        select RT2X00_LIB_CRYPTO
        select RT2X00_LIB_FIRMWARE
+       select RT2X00_LIB_EEPROM
        select RT2800_LIB
        select RT2800_LIB_MMIO
        ---help---
@@ -265,6 +267,9 @@ config RT2X00_LIB_FIRMWARE
 config RT2X00_LIB_CRYPTO
        bool
 
+config RT2X00_LIB_EEPROM
+       boolean
+
 config RT2X00_LIB_LEDS
        bool
        default y if (RT2X00_LIB=y && LEDS_CLASS=y) || (RT2X00_LIB=m && LEDS_CLASS!=n)
--- a/drivers/net/wireless/ralink/rt2x00/Makefile
+++ b/drivers/net/wireless/ralink/rt2x00/Makefile
@@ -8,6 +8,7 @@ rt2x00lib-$(CPTCFG_RT2X00_LIB_DEBUGFS)  +
 rt2x00lib-$(CPTCFG_RT2X00_LIB_CRYPTO)  += rt2x00crypto.o
 rt2x00lib-$(CPTCFG_RT2X00_LIB_FIRMWARE)        += rt2x00firmware.o
 rt2x00lib-$(CPTCFG_RT2X00_LIB_LEDS)    += rt2x00leds.o
+rt2x00lib-$(CPTCFG_RT2X00_LIB_EEPROM)  += rt2x00eeprom.o
 
 obj-$(CPTCFG_RT2X00_LIB)               += rt2x00lib.o
 obj-$(CPTCFG_RT2X00_LIB_MMIO)          += rt2x00mmio.o
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
@@ -48,6 +48,8 @@ struct rt2800_drv_data {
        struct ieee80211_sta *wcid_to_sta[STA_IDS_SIZE];
 };
 
+#include "rt2800.h"
+
 struct rt2800_ops {
        u32 (*register_read)(struct rt2x00_dev *rt2x00dev,
                              const unsigned int offset);
@@ -145,6 +147,15 @@ static inline int rt2800_read_eeprom(str
 {
        const struct rt2800_ops *rt2800ops = rt2x00dev->ops->drv;
 
+       if (rt2x00dev->eeprom_file) {
+               memcpy(rt2x00dev->eeprom, rt2x00dev->eeprom_file->data,
+                      EEPROM_SIZE);
+               return 0;
+       }
+
+       if (!rt2800ops->read_eeprom)
+               return -EINVAL;
+
        return rt2800ops->read_eeprom(rt2x00dev);
 }
 
--- a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
@@ -102,19 +102,6 @@ static int rt2800soc_set_device_state(st
        return retval;
 }
 
-static int rt2800soc_read_eeprom(struct rt2x00_dev *rt2x00dev)
-{
-       void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
-
-       if (!base_addr)
-               return -ENOMEM;
-
-       memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
-
-       iounmap(base_addr);
-       return 0;
-}
-
 /* Firmware functions */
 static char *rt2800soc_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 {
@@ -178,7 +165,6 @@ static const struct rt2800_ops rt2800soc
        .register_multiread     = rt2x00mmio_register_multiread,
        .register_multiwrite    = rt2x00mmio_register_multiwrite,
        .regbusy_read           = rt2x00mmio_regbusy_read,
-       .read_eeprom            = rt2800soc_read_eeprom,
        .hwcrypt_disabled       = rt2800soc_hwcrypt_disabled,
        .drv_write_firmware     = rt2800soc_write_firmware,
        .drv_init_registers     = rt2800mmio_init_registers,
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
@@ -703,6 +703,7 @@ enum rt2x00_capability_flags {
        REQUIRE_HT_TX_DESC,
        REQUIRE_PS_AUTOWAKE,
        REQUIRE_DELAYED_RFKILL,
+       REQUIRE_EEPROM_FILE,
 
        /*
         * Capabilities
@@ -978,6 +979,11 @@ struct rt2x00_dev {
        const struct firmware *fw;
 
        /*
+        * EEPROM image.
+        */
+       const struct firmware *eeprom_file;
+
+       /*
         * FIFO for storing tx status reports between isr and tasklet.
         */
        DECLARE_KFIFO_PTR(txstatus_fifo, u32);
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
@@ -1423,6 +1423,10 @@ int rt2x00lib_probe_dev(struct rt2x00_de
        INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup);
        INIT_WORK(&rt2x00dev->sleep_work, rt2x00lib_sleep);
 
+       retval = rt2x00lib_load_eeprom_file(rt2x00dev);
+       if (retval)
+               goto exit;
+
        /*
         * Let the driver probe the device to detect the capabilities.
         */
@@ -1566,6 +1570,11 @@ void rt2x00lib_remove_dev(struct rt2x00_
         * Free the driver data.
         */
        kfree(rt2x00dev->drv_data);
+
+       /*
+        * Free EEPROM image.
+        */
+       rt2x00lib_free_eeprom_file(rt2x00dev);
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_remove_dev);
 
--- /dev/null
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
@@ -0,0 +1,106 @@
+/*
+       Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+       Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
+       <http://rt2x00.serialmonkey.com>
+
+       This program is free software; you can redistribute it and/or modify
+       it under the terms of the GNU General Public License as published by
+       the Free Software Foundation; either version 2 of the License, or
+       (at your option) any later version.
+
+       This program is distributed in the hope that it will be useful,
+       but WITHOUT ANY WARRANTY; without even the implied warranty of
+       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+       GNU General Public License for more details.
+
+       You should have received a copy of the GNU General Public License
+       along with this program; if not, write to the
+       Free Software Foundation, Inc.,
+       59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+       Module: rt2x00lib
+       Abstract: rt2x00 eeprom file loading routines.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+static const char *
+rt2x00lib_get_eeprom_file_name(struct rt2x00_dev *rt2x00dev)
+{
+       struct rt2x00_platform_data *pdata = rt2x00dev->dev->platform_data;
+
+       if (pdata && pdata->eeprom_file_name)
+               return pdata->eeprom_file_name;
+
+       return NULL
+}
+
+static int rt2x00lib_request_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+       const struct firmware *ee;
+       const char *ee_name;
+       int retval;
+
+       ee_name = rt2x00lib_get_eeprom_file_name(rt2x00dev);
+       if (!ee_name && test_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags)) {
+               rt2x00_err(rt2x00dev, "Required EEPROM name is missing.");
+               return -EINVAL;
+       }
+
+       if (!ee_name)
+               return 0;
+
+       rt2x00_info(rt2x00dev, "Loading EEPROM data from '%s'.\n", ee_name);
+
+       retval = request_firmware(&ee, ee_name, rt2x00dev->dev);
+       if (retval) {
+               rt2x00_err(rt2x00dev, "Failed to request EEPROM.\n");
+               return retval;
+       }
+
+       if (!ee || !ee->size || !ee->data) {
+               rt2x00_err(rt2x00dev, "Failed to read EEPROM file.\n");
+               retval = -ENOENT;
+               goto err_exit;
+       }
+
+       if (ee->size != rt2x00dev->ops->eeprom_size) {
+               rt2x00_err(rt2x00dev,
+                          "EEPROM file size is invalid, it should be %d bytes\n",
+                          rt2x00dev->ops->eeprom_size);
+               retval = -EINVAL;
+               goto err_release_ee;
+       }
+
+       rt2x00dev->eeprom_file = ee;
+       return 0;
+
+err_release_ee:
+       release_firmware(ee);
+err_exit:
+       return retval;
+}
+
+int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+       int retval;
+
+       retval = rt2x00lib_request_eeprom_file(rt2x00dev);
+       if (retval)
+               return retval;
+
+       return 0;
+}
+
+void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+       if (rt2x00dev->eeprom_file && rt2x00dev->eeprom_file->size)
+               release_firmware(rt2x00dev->eeprom_file);
+       rt2x00dev->eeprom_file = NULL;
+}
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00lib.h
@@ -297,6 +297,22 @@ static inline void rt2x00lib_free_firmwa
 #endif /* CPTCFG_RT2X00_LIB_FIRMWARE */
 
 /*
+ * EEPROM file handlers.
+ */
+#ifdef CPTCFG_RT2X00_LIB_EEPROM
+int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev);
+#else
+static inline int rt2x00lib_load_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+       return 0;
+}
+static inline void rt2x00lib_free_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+}
+#endif /* CPTCFG_RT2X00_LIB_EEPROM */
+
+/*
  * Debugfs handlers.
  */
 #ifdef CPTCFG_RT2X00_LIB_DEBUGFS
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
@@ -97,6 +97,7 @@ int rt2x00soc_probe(struct platform_devi
        if (IS_ERR(rt2x00dev->clk))
                rt2x00dev->clk = NULL;
 
+       set_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags);
        rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
 
        retval = rt2x00soc_alloc_reg(rt2x00dev);