| 1 | From 112b2e12edda60f495b57e8a1d85eb95e2662845 Mon Sep 17 00:00:00 2001 |
| 2 | From: Hauke Mehrtens <hauke@hauke-m.de> |
| 3 | Date: Thu, 16 Feb 2012 23:44:26 +0100 |
| 4 | Subject: [PATCH 199/202] MIPS: BCM47XX: provide sprom to bcma bus |
| 5 | |
| 6 | On SoCs the sprom is often stored in nvram in the flashchip. This patch |
| 7 | registers a sprom fallback callback handler in bcma and provides the |
| 8 | sprom needed for this device. |
| 9 | |
| 10 | Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> |
| 11 | --- |
| 12 | arch/mips/bcm47xx/setup.c | 39 +++++++++++++++++++++++++++++++++++---- |
| 13 | 1 files changed, 35 insertions(+), 4 deletions(-) |
| 14 | |
| 15 | --- a/arch/mips/bcm47xx/setup.c |
| 16 | +++ b/arch/mips/bcm47xx/setup.c |
| 17 | @@ -3,7 +3,7 @@ |
| 18 | * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> |
| 19 | * Copyright (C) 2006 Michael Buesch <m@bues.ch> |
| 20 | * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org> |
| 21 | - * Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de> |
| 22 | + * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de> |
| 23 | * |
| 24 | * This program is free software; you can redistribute it and/or modify it |
| 25 | * under the terms of the GNU General Public License as published by the |
| 26 | @@ -91,7 +91,7 @@ static void bcm47xx_machine_halt(void) |
| 27 | } |
| 28 | |
| 29 | #ifdef CONFIG_BCM47XX_SSB |
| 30 | -static int bcm47xx_get_sprom(struct ssb_bus *bus, struct ssb_sprom *out) |
| 31 | +static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) |
| 32 | { |
| 33 | char prefix[10]; |
| 34 | |
| 35 | @@ -108,7 +108,7 @@ static int bcm47xx_get_sprom(struct ssb_ |
| 36 | } |
| 37 | |
| 38 | static int bcm47xx_get_invariants(struct ssb_bus *bus, |
| 39 | - struct ssb_init_invariants *iv) |
| 40 | + struct ssb_init_invariants *iv) |
| 41 | { |
| 42 | char buf[20]; |
| 43 | |
| 44 | @@ -163,7 +163,7 @@ static void __init bcm47xx_register_ssb( |
| 45 | char buf[100]; |
| 46 | struct ssb_mipscore *mcore; |
| 47 | |
| 48 | - err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom); |
| 49 | + err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb); |
| 50 | if (err) |
| 51 | printk(KERN_WARNING "bcm47xx: someone else already registered" |
| 52 | " a ssb SPROM callback handler (err %d)\n", err); |
| 53 | @@ -197,10 +197,41 @@ static void __init bcm47xx_register_ssb( |
| 54 | #endif |
| 55 | |
| 56 | #ifdef CONFIG_BCM47XX_BCMA |
| 57 | +static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) |
| 58 | +{ |
| 59 | + char prefix[10]; |
| 60 | + struct bcma_device *core; |
| 61 | + |
| 62 | + if (bus->hosttype == BCMA_HOSTTYPE_PCI) { |
| 63 | + snprintf(prefix, sizeof(prefix), "pci/%u/%u/", |
| 64 | + bus->host_pci->bus->number + 1, |
| 65 | + PCI_SLOT(bus->host_pci->devfn)); |
| 66 | + bcm47xx_fill_sprom(out, prefix); |
| 67 | + return 0; |
| 68 | + } else if (bus->hosttype == BCMA_HOSTTYPE_SOC) { |
| 69 | + bcm47xx_fill_sprom_ethernet(out, NULL); |
| 70 | + core = bcma_find_core(bus, BCMA_CORE_80211); |
| 71 | + if (core) { |
| 72 | + snprintf(prefix, sizeof(prefix), "sb/%u/", |
| 73 | + core->core_index); |
| 74 | + bcm47xx_fill_sprom(out, prefix); |
| 75 | + } |
| 76 | + return 0; |
| 77 | + } else { |
| 78 | + printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n"); |
| 79 | + return -EINVAL; |
| 80 | + } |
| 81 | +} |
| 82 | + |
| 83 | static void __init bcm47xx_register_bcma(void) |
| 84 | { |
| 85 | int err; |
| 86 | |
| 87 | + err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma); |
| 88 | + if (err) |
| 89 | + printk(KERN_WARNING "bcm47xx: someone else already registered" |
| 90 | + " a bcma SPROM callback handler (err %d)\n", err); |
| 91 | + |
| 92 | err = bcma_host_soc_register(&bcm47xx_bus.bcma); |
| 93 | if (err) |
| 94 | panic("Failed to initialize BCMA bus (err %d)\n", err); |
| 95 | |
