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authorHauke Mehrtens <hauke@hauke-m.de>2012-02-18 23:08:26 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2012-02-18 23:08:26 +0000
commit1122b231f9c73fe30f3a8f270b7ef5d74a43c80b (patch)
treeefeeb2d48e27286ddebc04d643f24feace440ae4 /target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch
parent990ed96a2ab91fec04dcac5b897faad74194ef2f (diff)
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brcm47xx: sprom for nvram parsing
This adds support for parsing sprom form nvram for sprom version form 1 to 9. It also adds sprom from nvram support for devices on the bcma bus. SVN-Revision: 30638
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch94
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch b/target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch
new file mode 100644
index 0000000..e3d2527
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch
@@ -0,0 +1,94 @@
+From 112b2e12edda60f495b57e8a1d85eb95e2662845 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Thu, 16 Feb 2012 23:44:26 +0100
+Subject: [PATCH 199/202] MIPS: BCM47XX: provide sprom to bcma bus
+
+On SoCs the sprom is often stored in nvram in the flashchip. This patch
+registers a sprom fallback callback handler in bcma and provides the
+sprom needed for this device.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ arch/mips/bcm47xx/setup.c | 39 +++++++++++++++++++++++++++++++++++----
+ 1 files changed, 35 insertions(+), 4 deletions(-)
+
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -3,7 +3,7 @@
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2006 Michael Buesch <m@bues.ch>
+ * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
+- * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de>
++ * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * 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
+@@ -91,7 +91,7 @@ static void bcm47xx_machine_halt(void)
+ }
+
+ #ifdef CONFIG_BCM47XX_SSB
+-static int bcm47xx_get_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
++static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
+ {
+ char prefix[10];
+
+@@ -108,7 +108,7 @@ static int bcm47xx_get_sprom(struct ssb_
+ }
+
+ static int bcm47xx_get_invariants(struct ssb_bus *bus,
+- struct ssb_init_invariants *iv)
++ struct ssb_init_invariants *iv)
+ {
+ char buf[20];
+
+@@ -163,7 +163,7 @@ static void __init bcm47xx_register_ssb(
+ char buf[100];
+ struct ssb_mipscore *mcore;
+
+- err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom);
++ err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb);
+ if (err)
+ printk(KERN_WARNING "bcm47xx: someone else already registered"
+ " a ssb SPROM callback handler (err %d)\n", err);
+@@ -197,10 +197,41 @@ static void __init bcm47xx_register_ssb(
+ #endif
+
+ #ifdef CONFIG_BCM47XX_BCMA
++static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
++{
++ char prefix[10];
++ struct bcma_device *core;
++
++ if (bus->hosttype == BCMA_HOSTTYPE_PCI) {
++ snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
++ bus->host_pci->bus->number + 1,
++ PCI_SLOT(bus->host_pci->devfn));
++ bcm47xx_fill_sprom(out, prefix);
++ return 0;
++ } else if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
++ bcm47xx_fill_sprom_ethernet(out, NULL);
++ core = bcma_find_core(bus, BCMA_CORE_80211);
++ if (core) {
++ snprintf(prefix, sizeof(prefix), "sb/%u/",
++ core->core_index);
++ bcm47xx_fill_sprom(out, prefix);
++ }
++ return 0;
++ } else {
++ printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
++ return -EINVAL;
++ }
++}
++
+ static void __init bcm47xx_register_bcma(void)
+ {
+ int err;
+
++ err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma);
++ if (err)
++ printk(KERN_WARNING "bcm47xx: someone else already registered"
++ " a bcma SPROM callback handler (err %d)\n", err);
++
+ err = bcma_host_soc_register(&bcm47xx_bus.bcma);
+ if (err)
+ panic("Failed to initialize BCMA bus (err %d)\n", err);