[PATCH v2 11/11] MIPS: BCM47XX: provide sprom to bcma bus
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: 2012-02-28 00:01:22
Also in:
linux-mips
Subsystem:
broadcom bcm47xx mips architecture, mips, the rest · Maintainers:
Hauke Mehrtens, Rafał Miłecki, Thomas Bogendoerfer, Linus Torvalds
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(-)
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index 6b0dacd..19780aa 100644
--- 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
@@ -85,7 +85,7 @@ 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];
@@ -102,7 +102,7 @@ static int bcm47xx_get_sprom(struct ssb_bus *bus, struct ssb_sprom *out) } static int bcm47xx_get_invariants(struct ssb_bus *bus, - struct ssb_init_invariants *iv) + struct ssb_init_invariants *iv) { char buf[20];
@@ -132,7 +132,7 @@ static void __init bcm47xx_register_ssb(void) 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);
@@ -159,10 +159,41 @@ static void __init bcm47xx_register_ssb(void) #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; + + switch (bus->hosttype) { + case 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; + case 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; + default: + pr_warn("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) + pr_warn("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)", err);
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1.7.5.4