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authorArnd Bergmann <arnd@arndb.de>2015-04-14 01:56:58 +0300
committerArnd Bergmann <arnd@arndb.de>2015-04-14 01:56:58 +0300
commit49faf809ab824d7362870b55ef10e900ed9ca8d9 (patch)
treee69ed1959f4da31851c4c18e9b62a06610dc7eb4 /arch/arm/boot
parent2c13d8c7a85fdbf7d5c71b4989bb5c249b76a0c1 (diff)
parent4f054d445139d63868f931328f897ac5ef87242e (diff)
downloadlinux-49faf809ab824d7362870b55ef10e900ed9ca8d9.tar.xz
Merge tag 'mvebu-fixes-4.0-2' of git://git.infradead.org/linux-mvebu into next/dt
Pull "mvebu fix for 4.0" from Gregory CLEMENT: use 0xf1000000 as internal registers on Armada 370 DB: needed for the recent version of the board which no more comes with a bogus version of the Armada 370 SoC. * tag 'mvebu-fixes-4.0-2' of git://git.infradead.org/linux-mvebu: ARM: mvebu: use 0xf1000000 as internal registers on Armada 370 DB ARM: mvebu: Disable CPU Idle on Armada 38x
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/armada-370-db.dts11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts
index 485ecf856fae..19f3bf271915 100644
--- a/arch/arm/boot/dts/armada-370-db.dts
+++ b/arch/arm/boot/dts/armada-370-db.dts
@@ -45,6 +45,15 @@
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Note: this Device Tree assumes that the bootloader has remapped the
+ * internal registers to 0xf1000000 (instead of the default
+ * 0xd0000000). The 0xf1000000 is the default used by the recent,
+ * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier
+ * boards were delivered with an older version of the bootloader that
+ * left internal registers mapped at 0xd0000000. If you are in this
+ * situation, you should either update your bootloader (preferred
+ * solution) or the below Device Tree should be adjusted.
*/
/dts-v1/;
@@ -64,7 +73,7 @@
};
soc {
- ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>;
internal-regs {