95 lines
3.1 KiB
Diff
95 lines
3.1 KiB
Diff
From 112b2e12edda60f495b57e8a1d85eb95e2662845 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Thu, 16 Feb 2012 23:44:26 +0100
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Subject: [PATCH 199/202] MIPS: BCM47XX: provide sprom to bcma bus
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On SoCs the sprom is often stored in nvram in the flashchip. This patch
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registers a sprom fallback callback handler in bcma and provides the
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sprom needed for this device.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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arch/mips/bcm47xx/setup.c | 39 +++++++++++++++++++++++++++++++++++----
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1 files changed, 35 insertions(+), 4 deletions(-)
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--- a/arch/mips/bcm47xx/setup.c
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+++ b/arch/mips/bcm47xx/setup.c
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@@ -3,7 +3,7 @@
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* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
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* Copyright (C) 2006 Michael Buesch <m@bues.ch>
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* Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
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- * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de>
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+ * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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@@ -91,7 +91,7 @@ static void bcm47xx_machine_halt(void)
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}
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#ifdef CONFIG_BCM47XX_SSB
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-static int bcm47xx_get_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
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+static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
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{
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char prefix[10];
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@@ -108,7 +108,7 @@ static int bcm47xx_get_sprom(struct ssb_
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}
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static int bcm47xx_get_invariants(struct ssb_bus *bus,
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- struct ssb_init_invariants *iv)
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+ struct ssb_init_invariants *iv)
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{
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char buf[20];
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@@ -163,7 +163,7 @@ static void __init bcm47xx_register_ssb(
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char buf[100];
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struct ssb_mipscore *mcore;
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- err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom);
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+ err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb);
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if (err)
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printk(KERN_WARNING "bcm47xx: someone else already registered"
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" a ssb SPROM callback handler (err %d)\n", err);
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@@ -197,10 +197,41 @@ static void __init bcm47xx_register_ssb(
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#endif
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#ifdef CONFIG_BCM47XX_BCMA
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+static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
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+{
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+ char prefix[10];
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+ struct bcma_device *core;
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+
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+ if (bus->hosttype == BCMA_HOSTTYPE_PCI) {
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+ snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
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+ bus->host_pci->bus->number + 1,
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+ PCI_SLOT(bus->host_pci->devfn));
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+ bcm47xx_fill_sprom(out, prefix);
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+ return 0;
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+ } else if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
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+ bcm47xx_fill_sprom_ethernet(out, NULL);
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+ core = bcma_find_core(bus, BCMA_CORE_80211);
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+ if (core) {
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+ snprintf(prefix, sizeof(prefix), "sb/%u/",
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+ core->core_index);
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+ bcm47xx_fill_sprom(out, prefix);
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+ }
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+ return 0;
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+ } else {
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+ printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
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+ return -EINVAL;
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+ }
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+}
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+
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static void __init bcm47xx_register_bcma(void)
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{
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int err;
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+ err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma);
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+ if (err)
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+ printk(KERN_WARNING "bcm47xx: someone else already registered"
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+ " a bcma SPROM callback handler (err %d)\n", err);
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+
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err = bcma_host_soc_register(&bcm47xx_bus.bcma);
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if (err)
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panic("Failed to initialize BCMA bus (err %d)\n", err);
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