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path: root/drivers/bcma/scan.c
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Diffstat (limited to 'drivers/bcma/scan.c')
-rw-r--r--drivers/bcma/scan.c42
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
index bf9f80652773..0ea390f9aa9e 100644
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -337,6 +337,16 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
}
}
}
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ core->io_addr = ioremap_nocache(core->addr, BCMA_CORE_SIZE);
+ if (!core->io_addr)
+ return -ENOMEM;
+ core->io_wrap = ioremap_nocache(core->wrap, BCMA_CORE_SIZE);
+ if (!core->io_wrap) {
+ iounmap(core->io_addr);
+ return -ENOMEM;
+ }
+ }
return 0;
}
@@ -369,7 +379,14 @@ int bcma_bus_scan(struct bcma_bus *bus)
bcma_init_bus(bus);
erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
- eromptr = bus->mmio;
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+ if (!eromptr)
+ return -ENOMEM;
+ } else {
+ eromptr = bus->mmio;
+ }
+
eromend = eromptr + BCMA_CORE_SIZE / sizeof(u32);
bcma_scan_switch_core(bus, erombase);
@@ -404,6 +421,9 @@ int bcma_bus_scan(struct bcma_bus *bus)
list_add(&core->list, &bus->cores);
}
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ iounmap(eromptr);
+
return 0;
}
@@ -414,10 +434,18 @@ int __init bcma_bus_scan_early(struct bcma_bus *bus,
u32 erombase;
u32 __iomem *eromptr, *eromend;
- int err, core_num = 0;
+ int err = -ENODEV;
+ int core_num = 0;
erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
- eromptr = bus->mmio;
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+ if (!eromptr)
+ return -ENOMEM;
+ } else {
+ eromptr = bus->mmio;
+ }
+
eromend = eromptr + BCMA_CORE_SIZE / sizeof(u32);
bcma_scan_switch_core(bus, erombase);
@@ -447,8 +475,12 @@ int __init bcma_bus_scan_early(struct bcma_bus *bus,
core->id.class);
list_add(&core->list, &bus->cores);
- return 0;
+ err = 0;
+ break;
}
- return -ENODEV;
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ iounmap(eromptr);
+
+ return err;
}