brcm63xx: add linux 4.4 support

[openwrt.git] / target / linux / brcm63xx / patches-4.4 / 365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch

diff --git a/target/linux/brcm63xx/patches-4.4/365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch b/target/linux/brcm63xx/patches-4.4/365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch
new file mode 100644 (file)
index 0000000..40591e5
--- /dev/null
+++ b/target/linux/brcm63xx/patches-4.4/365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch
@@ -0,0 +1,102 @@
+From f393eaacf178e7e8a61eb11a96edd7dfb35cb49d Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jogo@openwrt.org>
+Date: Thu, 31 Jul 2014 20:39:44 +0200
+Subject: [PATCH 10/10] MIPS: BCM63XX: allow setting a pci bus/device for
+ fallback sprom
+
+Warn if the set pci bus/slot does not match the actual request.
+
+Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+---
+ arch/mips/bcm63xx/sprom.c                          | 31 ++++++++++++++++++----
+ .../asm/mach-bcm63xx/bcm63xx_fallback_sprom.h      |  3 +++
+ 2 files changed, 29 insertions(+), 5 deletions(-)
+
+--- a/arch/mips/bcm63xx/sprom.c
++++ b/arch/mips/bcm63xx/sprom.c
+@@ -381,13 +381,25 @@ static __initconst u16 bcm4331_sprom[] =
+ 
+ #endif  /* CONFIG_BCMA_HOST_PCI */
+ 
+-static struct ssb_sprom bcm63xx_sprom;
++struct fallback_sprom_match {
++      u8 pci_bus;
++      u8 pci_dev;
++      struct ssb_sprom sprom;
++};
++
++static struct fallback_sprom_match fallback_sprom;
+ 
+ #if defined(CONFIG_SSB_PCIHOST)
+ int bcm63xx_get_fallback_ssb_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
+ {
+       if (bus->bustype == SSB_BUSTYPE_PCI) {
+-              memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
++              if (bus->host_pci->bus->number != fallback_sprom.pci_bus ||
++                  PCI_SLOT(bus->host_pci->devfn) != fallback_sprom.pci_dev)
++                      pr_warn("ssb_fallback_sprom: pci bus/device num mismatch: expected %i/%i, but got %i/%i\n",
++                              fallback_sprom.pci_bus, fallback_sprom.pci_dev,
++                              bus->host_pci->bus->number,
++                              PCI_SLOT(bus->host_pci->devfn));
++              memcpy(out, &fallback_sprom.sprom, sizeof(struct ssb_sprom));
+               return 0;
+       } else {
+               printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n");
+@@ -400,7 +412,13 @@ int bcm63xx_get_fallback_ssb_sprom(struc
+ int bcm63xx_get_fallback_bcma_sprom(struct bcma_bus *bus, struct ssb_sprom *out)
+ {
+       if (bus->hosttype == BCMA_HOSTTYPE_PCI) {
+-              memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
++              if (bus->host_pci->bus->number != fallback_sprom.pci_bus ||
++                  PCI_SLOT(bus->host_pci->devfn) != fallback_sprom.pci_dev)
++                      pr_warn("bcma_fallback_sprom: pci bus/device num mismatch: expected %i/%i, but got %i/%i\n",
++                              fallback_sprom.pci_bus, fallback_sprom.pci_dev,
++                              bus->host_pci->bus->number,
++                              PCI_SLOT(bus->host_pci->devfn));
++              memcpy(out, &fallback_sprom.sprom, sizeof(struct ssb_sprom));
+               return 0;
+       } else {
+               printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n");
+@@ -962,8 +980,8 @@ int __init bcm63xx_register_fallback_spr
+               break;
+ #endif
+       case SPROM_DEFAULT:
+-              memcpy(&bcm63xx_sprom, &bcm63xx_default_sprom,
+-                     sizeof(bcm63xx_sprom));
++              memcpy(&fallback_sprom.sprom, &bcm63xx_default_sprom,
++                     sizeof(bcm63xx_default_sprom));
+               break;
+       default:
+               return -EINVAL;
+@@ -973,12 +991,15 @@ int __init bcm63xx_register_fallback_spr
+               sprom_apply_fixups(template_sprom, data->board_fixups,
+                                  data->num_board_fixups);
+ 
+-              sprom_extract(&bcm63xx_sprom, template_sprom, size);
++              sprom_extract(&fallback_sprom.sprom, template_sprom, size);
+       }
+ 
+-      memcpy(bcm63xx_sprom.il0mac, data->mac_addr, ETH_ALEN);
+-      memcpy(bcm63xx_sprom.et0mac, data->mac_addr, ETH_ALEN);
+-      memcpy(bcm63xx_sprom.et1mac, data->mac_addr, ETH_ALEN);
++      memcpy(fallback_sprom.sprom.il0mac, data->mac_addr, ETH_ALEN);
++      memcpy(fallback_sprom.sprom.et0mac, data->mac_addr, ETH_ALEN);
++      memcpy(fallback_sprom.sprom.et1mac, data->mac_addr, ETH_ALEN);
++
++      fallback_sprom.pci_bus = data->pci_bus;
++      fallback_sprom.pci_dev = data->pci_dev;
+ #endif /* defined(CONFIG_SSB_PCIHOST) || defined(CONFIG_BCMA_HOST_PCI) */
+ 
+ #if defined(CONFIG_SSB_PCIHOST)
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h
+@@ -30,6 +30,9 @@ struct fallback_sprom_data {
+       u8 mac_addr[ETH_ALEN];
+       enum sprom_type type;
+ 
++      u8 pci_bus;
++      u8 pci_dev;
++
+       struct sprom_fixup *board_fixups;
+       unsigned int num_board_fixups;
+ };