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openwrt-xburst/target/linux/brcm47xx/patches-3.3/182-bcma-scan-for-extra-address-space.patch
hauke 14f0acdc28 brcm47xx: add support for kernel 3.3
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31573 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-05-03 20:18:41 +00:00

46 lines
1.0 KiB
Diff

--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -297,6 +297,23 @@ static int bcma_get_next_core(struct bcm
return -EILSEQ;
}
+ /* First Slave Address Descriptor should be port 0:
+ * the main register space for the core
+ */
+ tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0);
+ if (tmp <= 0) {
+ /* Try again to see if it is a bridge */
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_BRIDGE, 0);
+ if (tmp <= 0) {
+ return -EILSEQ;
+ } else {
+ pr_info("Bridge found\n");
+ return -ENXIO;
+ }
+ }
+ core->addr = tmp;
+
/* get & parse slave ports */
for (i = 0; i < ports[1]; i++) {
for (j = 0; ; j++) {
@@ -309,7 +326,7 @@ static int bcma_get_next_core(struct bcm
break;
} else {
if (i == 0 && j == 0)
- core->addr = tmp;
+ core->addr1 = tmp;
}
}
}
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -139,6 +139,7 @@ struct bcma_device {
u8 core_unit;
u32 addr;
+ u32 addr1;
u32 wrap;
void __iomem *io_addr;