From cc025e749a1fece61a6cc0d64bbe7b12472259cc Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Tue, 29 Jul 2014 21:31:12 +0200
Subject: [PATCH 01/10] MIPS: BCM63XX: move fallback sprom support into its own
 unit

In preparation for enhancing it, move it into its own file. Require a
mac address to be passed as the argument to always "reserve" the mac
regardless of the inclusion state of SSB.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 arch/mips/bcm63xx/Makefile                         |  2 +-
 arch/mips/bcm63xx/boards/board_common.c            | 53 ++--------------
 arch/mips/bcm63xx/sprom.c                          | 70 ++++++++++++++++++++++
 .../asm/mach-bcm63xx/bcm63xx_fallback_sprom.h      |  6 ++
 4 files changed, 83 insertions(+), 48 deletions(-)
 create mode 100644 arch/mips/bcm63xx/sprom.c
 create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.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-spi.o dev-hsspi.o dev-uart.o \
 		   dev-wdt.o dev-usb-ehci.o dev-usb-ohci.o dev-usb-usbd.o \
-		   usb-common.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
@@ -40,44 +40,6 @@
 static struct board_info board;
 
 /*
- * Register a sane SPROMv2 to make the on-board
- * bcm4318 WLAN work
- */
-#ifdef CONFIG_SSB_PCIHOST
-static struct ssb_sprom bcm63xx_sprom = {
-	.revision		= 0x02,
-	.board_rev		= 0x17,
-	.country_code		= 0x0,
-	.ant_available_bg	= 0x3,
-	.pa0b0			= 0x15ae,
-	.pa0b1			= 0xfa85,
-	.pa0b2			= 0xfe8d,
-	.pa1b0			= 0xffff,
-	.pa1b1			= 0xffff,
-	.pa1b2			= 0xffff,
-	.gpio0			= 0xff,
-	.gpio1			= 0xff,
-	.gpio2			= 0xff,
-	.gpio3			= 0xff,
-	.maxpwr_bg		= 0x004c,
-	.itssi_bg		= 0x00,
-	.boardflags_lo		= 0x2848,
-	.boardflags_hi		= 0x0000,
-};
-
-int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
-{
-	if (bus->bustype == SSB_BUSTYPE_PCI) {
-		memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
-		return 0;
-	} else {
-		printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n");
-		return -EINVAL;
-	}
-}
-#endif
-
-/*
  * return board name for /proc/cpuinfo
  */
 const char *board_get_name(void)
@@ -180,6 +142,7 @@ static struct platform_device bcm63xx_gp
 int __init board_register_devices(void)
 {
 	int usbh_ports = 0;
+	u8 mac[ETH_ALEN];
 
 	if (board.has_uart0)
 		bcm63xx_uart_register(0);
@@ -224,15 +187,10 @@ int __init board_register_devices(void)
 	/* Generate MAC address for WLAN and register our SPROM,
 	 * do this after registering enet devices
 	 */
-#ifdef CONFIG_SSB_PCIHOST
-	if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
-		memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
-		memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
-		if (ssb_arch_register_fallback_sprom(
-				&bcm63xx_get_fallback_sprom) < 0)
-			pr_err(PFX "failed to register fallback SPROM\n");
-	}
-#endif
+
+	if (board_get_mac_address(mac) ||
+	    bcm63xx_register_fallback_sprom(mac))
+		pr_err(PFX "failed to register fallback SPROM\n");
 
 	bcm63xx_spi_register();
 
--- /dev/null
+++ b/arch/mips/bcm63xx/sprom.c
@@ -0,0 +1,70 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/ssb/ssb.h>
+#include <bcm63xx_fallback_sprom.h>
+#include <board_bcm963xx.h>
+
+#define PFX	"sprom: "
+
+/*
+ * Register a sane SPROMv2 to make the on-board
+ * bcm4318 WLAN work
+ */
+#ifdef CONFIG_SSB_PCIHOST
+static struct ssb_sprom bcm63xx_sprom = {
+	.revision		= 0x02,
+	.board_rev		= 0x17,
+	.country_code		= 0x0,
+	.ant_available_bg	= 0x3,
+	.pa0b0			= 0x15ae,
+	.pa0b1			= 0xfa85,
+	.pa0b2			= 0xfe8d,
+	.pa1b0			= 0xffff,
+	.pa1b1			= 0xffff,
+	.pa1b2			= 0xffff,
+	.gpio0			= 0xff,
+	.gpio1			= 0xff,
+	.gpio2			= 0xff,
+	.gpio3			= 0xff,
+	.maxpwr_bg		= 0x004c,
+	.itssi_bg		= 0x00,
+	.boardflags_lo		= 0x2848,
+	.boardflags_hi		= 0x0000,
+};
+
+int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
+{
+	if (bus->bustype == SSB_BUSTYPE_PCI) {
+		memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
+		return 0;
+	} else {
+		printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n");
+		return -EINVAL;
+	}
+}
+#endif
+
+int __init bcm63xx_register_fallback_sprom(u8 *mac)
+{
+	int ret = 0;
+
+#ifdef CONFIG_SSB_PCIHOST
+	memcpy(bcm63xx_sprom.il0mac, mac, ETH_ALEN);
+	memcpy(bcm63xx_sprom.et0mac, mac, ETH_ALEN);
+	memcpy(bcm63xx_sprom.et1mac, mac, ETH_ALEN);
+
+	ret = ssb_arch_register_fallback_sprom(&bcm63xx_get_fallback_sprom);
+#endif
+	return ret;
+}
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h
@@ -0,0 +1,6 @@
+#ifndef __BCM63XX_FALLBACK_SPROM
+#define __BCM63XX_FALLBACK_SPROM
+
+int bcm63xx_register_fallback_sprom(u8 *mac);
+
+#endif
