openwrt/target/linux/bcm63xx/patches-5.4/366-MIPS-BCM63XX-fallback-sprom-override-devid.patch

79 lines
2.2 KiB
Diff
Raw Normal View History

--- a/arch/mips/bcm63xx/sprom.c
+++ b/arch/mips/bcm63xx/sprom.c
@@ -384,6 +384,7 @@ static __initconst u16 bcm4331_sprom[] =
struct fallback_sprom_match {
u8 pci_bus;
u8 pci_dev;
+ int override_devid;
struct ssb_sprom sprom;
};
@@ -399,6 +400,8 @@ int bcm63xx_get_fallback_ssb_sprom(struc
fallback_sprom.pci_bus, fallback_sprom.pci_dev,
bus->host_pci->bus->number,
PCI_SLOT(bus->host_pci->devfn));
+ if (fallback_sprom.override_devid)
+ bus->host_pci->device = fallback_sprom.sprom.dev_id;
memcpy(out, &fallback_sprom.sprom, sizeof(struct ssb_sprom));
return 0;
} else {
@@ -418,6 +421,8 @@ int bcm63xx_get_fallback_bcma_sprom(stru
fallback_sprom.pci_bus, fallback_sprom.pci_dev,
bus->host_pci->bus->number,
PCI_SLOT(bus->host_pci->devfn));
+ if (fallback_sprom.override_devid)
+ bus->host_pci->device = fallback_sprom.sprom.dev_id;
memcpy(out, &fallback_sprom.sprom, sizeof(struct ssb_sprom));
return 0;
} else {
@@ -965,6 +970,37 @@ static int sprom_extract(struct ssb_spro
return 0;
}
+int sprom_override_devid(struct fallback_sprom_data *data,
+ struct ssb_sprom *out, const u16 *in)
+{
+ switch (data->type) {
+#if defined(CONFIG_SSB_PCIHOST)
+ case SPROM_BCM4306:
+ case SPROM_BCM4318:
+ case SPROM_BCM4321:
+ case SPROM_BCM4322:
+ case SPROM_BCM43222:
+ SPEX(dev_id, SSB_SPROM1_PID, 0xFFFF, 0);
+ return !!out->dev_id;
+#endif /* CONFIG_SSB_PCIHOST */
+#if defined(CONFIG_BCMA_HOST_PCI)
+ case SPROM_BCM4313:
+ case SPROM_BCM43131:
+ case SPROM_BCM43217:
+ case SPROM_BCM43225:
+ case SPROM_BCM43227:
+ case SPROM_BCM43228:
+ case SPROM_BCM4331:
+ SPEX(dev_id, 0x0060, 0xFFFF, 0);
+ return !!out->dev_id;
+#endif /* CONFIG_BCMA_HOST_PCI */
+ case SPROM_DEFAULT:
+ return 0;
+ }
+
+ return 0;
+}
+
void sprom_apply_fixups(u16 *sprom, struct sprom_fixup *fixups, int n)
{
unsigned int i;
@@ -1056,6 +1092,11 @@ int __init bcm63xx_register_fallback_spr
data->num_board_fixups);
sprom_extract(&fallback_sprom.sprom, template_sprom, size);
+
+ fallback_sprom.override_devid =
+ sprom_override_devid(data, &fallback_sprom.sprom, template_sprom);
+ } else {
+ fallback_sprom.override_devid = 0;
}
memcpy(fallback_sprom.sprom.il0mac, data->mac_addr, ETH_ALEN);