diff options
author | Hauke Mehrtens <hauke@hauke-m.de> | 2012-02-28 00:56:14 +0100 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2012-03-05 15:20:51 -0500 |
commit | f384b3dddc727b1cbd77e493c24d7fefa883396a (patch) | |
tree | e04cbe3485d2490d1965e8cd7f9d485f3550e6b9 /arch/mips | |
parent | 019eee2e34e2d1db715dc4fe5be2079800636fa8 (diff) | |
download | linux-f384b3dddc727b1cbd77e493c24d7fefa883396a.tar.bz2 |
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>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'arch/mips')
-rw-r--r-- | 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 6b0dacde98d4..19780aa91708 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); |