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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
@@ -1,7 +1,8 @@
 obj-y          += clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o reset.o \
                   setup.o timer.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
+                  dev-usb-ehci.o dev-usb-ohci.o dev-usb-usbd.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
@@ -39,44 +39,6 @@
 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)
@@ -179,6 +141,7 @@ 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);
@@ -220,15 +183,10 @@ 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

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