openwrt/target/linux/brcm63xx/patches-4.9/422-BCM63XX-add-a-fixup-for-rt2x00-devices.patch

From 5ed5b5e9614fa5b02da699ab565af76c7e63d64d Mon Sep 17 00:00:00 2001
From: Jonas Gorski <[email protected]>
Date: Mon, 7 Jan 2013 17:45:39 +0100
Subject: [PATCH 72/72] 446-BCM63XX-add-a-fixup-for-rt2x00-devices

---
 arch/mips/bcm63xx/Makefile                         |    2 +-
 arch/mips/bcm63xx/boards/board_bcm963xx.c          |   17 ++++-
 arch/mips/bcm63xx/dev-flash.c                      |    2 +-
 arch/mips/bcm63xx/pci-rt2x00-fixup.c               |   71 ++++++++++++++++++++
 .../include/asm/mach-bcm63xx/bcm63xx_dev_flash.h   |    2 +-
 .../mips/include/asm/mach-bcm63xx/board_bcm963xx.h |    9 ++-
 .../include/asm/mach-bcm63xx/pci_rt2x00_fixup.h    |    9 +++
 7 files changed, 104 insertions(+), 8 deletions(-)
 create mode 100644 arch/mips/bcm63xx/pci-rt2x00-fixup.c
 create mode 100644 arch/mips/include/asm/mach-bcm63xx/pci_rt2x00_fixup.h

--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -2,7 +2,7 @@ obj-y		+= clk.o cpu.o cs.o gpio.o irq.o
 		   setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \
 		   dev-pcmcia.o dev-rng.o \
 		   dev-wdt.o dev-usb-ehci.o dev-usb-ohci.o dev-usb-usbd.o \
-		   pci-ath9k-fixup.o usb-common.o sprom.o
+		   pci-ath9k-fixup.o pci-rt2x00-fixup.o usb-common.o sprom.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 
 obj-y		+= boards/
--- a/arch/mips/bcm63xx/boards/board_common.c
+++ b/arch/mips/bcm63xx/boards/board_common.c
@@ -33,6 +33,7 @@
 #include <bcm63xx_dev_usb_usbd.h>
 #include <board_bcm963xx.h>
 #include <pci_ath9k_fixup.h>
+#include <pci_rt2x00_fixup.h>
 
 #include "board_common.h"
 
@@ -248,9 +249,19 @@ int __init board_register_devices(void)
 	}
 
 	/* register any fixups */
-	for (i = 0; i < board.has_caldata; i++)
-		pci_enable_ath9k_fixup(board.caldata[i].slot, board.caldata[i].caldata_offset,
-			board.caldata[i].endian_check, board.caldata[i].led_pin, board.caldata[i].led_active_high);
+	for (i = 0; i < board.has_caldata; i++) {
+		switch (board.caldata[i].vendor) {
+		case PCI_VENDOR_ID_ATHEROS:
+			pci_enable_ath9k_fixup(board.caldata[i].slot,
+				board.caldata[i].caldata_offset, board.caldata[i].endian_check,
+				board.caldata[i].led_pin, board.caldata[i].led_active_high);
+			break;
+		case PCI_VENDOR_ID_RALINK:
+			pci_enable_rt2x00_fixup(board.caldata[i].slot,
+				board.caldata[i].eeprom);
+			break;
+		}
+	}
 
 	return 0;
 }
--- /dev/null
+++ b/arch/mips/bcm63xx/pci-rt2x00-fixup.c
@@ -0,0 +1,72 @@
+/*
+ *  Broadcom BCM63XX RT2x00 EEPROM fixup helper.
+ *
+ *  Copyright (C) 2012 Álvaro Fernández Rojas <[email protected]>
+ *
+ *  Based on
+ *
+ *  Broadcom BCM63XX Ath9k EEPROM fixup helper.
+ *
+ *  Copyright (C) 2012 Jonas Gorski <[email protected]>
+ *
+ *  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/if_ether.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/rt2x00_platform.h>
+
+#include <bcm63xx_nvram.h>
+#include <pci_rt2x00_fixup.h>
+
+struct rt2x00_fixup {
+	unsigned slot;
+	u8 mac[ETH_ALEN];
+	struct rt2x00_platform_data pdata;
+};
+
+static int rt2x00_num_fixups;
+static struct rt2x00_fixup rt2x00_fixups[2] = {
+	{
+		.slot = 255,
+	},
+	{
+		.slot = 255,
+	},
+};
+
+static void rt2x00_pci_fixup(struct pci_dev *dev)
+{
+	unsigned i;
+	struct rt2x00_platform_data *pdata = NULL;
+
+	for (i = 0; i < rt2x00_num_fixups; i++) {
+		if (rt2x00_fixups[i].slot != PCI_SLOT(dev->devfn))
+			continue;
+
+		pdata = &rt2x00_fixups[i].pdata;
+		break;
+	}
+
+	dev->dev.platform_data = pdata;
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_RALINK, PCI_ANY_ID, rt2x00_pci_fixup);
+
+void __init pci_enable_rt2x00_fixup(unsigned slot, char* eeprom)
+{
+	if (rt2x00_num_fixups >= ARRAY_SIZE(rt2x00_fixups))
+		return;
+
+	rt2x00_fixups[rt2x00_num_fixups].slot = slot;
+	rt2x00_fixups[rt2x00_num_fixups].pdata.eeprom_file_name = kstrdup(eeprom, GFP_KERNEL);
+
+	if (bcm63xx_nvram_get_mac_address(rt2x00_fixups[rt2x00_num_fixups].mac))
+		return;
+
+	rt2x00_fixups[rt2x00_num_fixups].pdata.mac_address = rt2x00_fixups[rt2x00_num_fixups].mac;
+	rt2x00_num_fixups++;
+}
+
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -10,6 +10,7 @@
 #include <bcm63xx_dev_dsp.h>
 #include <bcm63xx_fallback_sprom.h>
 #include <pci_ath9k_fixup.h>
+#include <pci_rt2x00_fixup.h>
 
 /*
  * flash mapping
@@ -17,12 +18,16 @@
 #define BCM963XX_CFE_VERSION_OFFSET	0x570
 #define BCM963XX_NVRAM_OFFSET		0x580
 
-struct ath9k_caldata {
+struct bcm63xx_caldata {
+	unsigned int	vendor;
 	unsigned int	slot;
 	u32		caldata_offset;
+	/* Atheros */
 	unsigned int	endian_check:1;
 	int		led_pin;
 	bool		led_active_high;
+	/* Ralink */
+	char*		eeprom;
 };
 
 /*
@@ -46,7 +51,7 @@ struct board_info {
 	unsigned int	has_caldata:2;
 
 	/* wifi calibration data config */
-	struct ath9k_caldata caldata[2];
+	struct bcm63xx_caldata caldata[2];
 
 	/* ethernet config */
 	struct bcm63xx_enet_platform_data enet0;
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/pci_rt2x00_fixup.h
@@ -0,0 +1,9 @@
+#ifndef _PCI_RT2X00_FIXUP
+#define _PCI_RT2X00_FIXUP
+
+#define PCI_VENDOR_ID_RALINK 0x1814
+
+void pci_enable_rt2x00_fixup(unsigned slot, char* eeprom) __init;
+
+#endif /* _PCI_RT2X00_FIXUP */
+