bcm53xx: add support for the PCIe controller

This patch adds support for the PCIe controller
In addition to the PCIe controller a sprom is now provided by a device
tree driver to bcma from some nvram.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40880 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 32 insertions, 0 deletions

diff --git a/target/linux/bcm53xx/patches-3.14/140-bcma-only-map-wrap-if-it-is-not-null.patch b/target/linux/bcm53xx/patches-3.14/140-bcma-only-map-wrap-if-it-is-not-null.patch
new file mode 100644
index 0000000000..30e03e30e4
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.14/140-bcma-only-map-wrap-if-it-is-not-null.patch
@@ -0,0 +1,32 @@
+From f8ea60bbaf880d8d8d99fde3b5155f472e00141f Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Mon, 12 May 2014 20:16:39 +0200
+Subject: [PATCH 09/15] bcma: only map wrap if it is not null
+
+The chipcommon B core does not have a wrap address and it would fail here.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ drivers/bcma/scan.c | 11 +++++++----
+ 1 file changed, 7 insertions(+), 4 deletions(-)
+
+--- a/drivers/bcma/scan.c
++++ b/drivers/bcma/scan.c
+@@ -421,10 +421,13 @@ static int bcma_get_next_core(struct bcm
+ 		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;
++		if (core->wrap) {
++			core->io_wrap = ioremap_nocache(core->wrap,
++							BCMA_CORE_SIZE);
++			if (!core->io_wrap) {
++				iounmap(core->io_addr);
++				return -ENOMEM;
++			}
+ 		}
+ 	}
+ 	return 0;