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authorMax Filippov <jcmvbkbc@gmail.com>2012-11-03 12:57:52 +0400
committerChris Zankel <chris@zankel.net>2012-12-18 21:10:24 -0800
commit5584b4da7814af7d35a72d904140bf9c2a502d4e (patch)
tree1cecc1c6f619b0b070b4f46bc6306faeeedb4292 /arch/xtensa
parent0d456bad36d42d16022be045c8a53ddbb59ee478 (diff)
downloadop-kernel-dev-5584b4da7814af7d35a72d904140bf9c2a502d4e.zip
op-kernel-dev-5584b4da7814af7d35a72d904140bf9c2a502d4e.tar.gz
xtensa: add XTFPGA DTS
Add common XTFPGA parts as *.dtsi (base board, flash) and DTS for LX60 and for ML605. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/boot/dts/lx60.dts11
-rw-r--r--arch/xtensa/boot/dts/ml605.dts11
-rw-r--r--arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi26
-rw-r--r--arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi18
-rw-r--r--arch/xtensa/boot/dts/xtfpga.dtsi56
5 files changed, 122 insertions, 0 deletions
diff --git a/arch/xtensa/boot/dts/lx60.dts b/arch/xtensa/boot/dts/lx60.dts
new file mode 100644
index 0000000..2eab365
--- /dev/null
+++ b/arch/xtensa/boot/dts/lx60.dts
@@ -0,0 +1,11 @@
+/dts-v1/;
+/include/ "xtfpga.dtsi"
+/include/ "xtfpga-flash-4m.dtsi"
+
+/ {
+ compatible = "xtensa,lx60";
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x04000000>;
+ };
+};
diff --git a/arch/xtensa/boot/dts/ml605.dts b/arch/xtensa/boot/dts/ml605.dts
new file mode 100644
index 0000000..6ed51d6
--- /dev/null
+++ b/arch/xtensa/boot/dts/ml605.dts
@@ -0,0 +1,11 @@
+/dts-v1/;
+/include/ "xtfpga.dtsi"
+/include/ "xtfpga-flash-16m.dtsi"
+
+/ {
+ compatible = "xtensa,ml605";
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x08000000>;
+ };
+};
diff --git a/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi
new file mode 100644
index 0000000..e5703c7
--- /dev/null
+++ b/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi
@@ -0,0 +1,26 @@
+/ {
+ flash: flash@f8000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "cfi-flash";
+ reg = <0xf8000000 0x01000000>;
+ bank-width = <2>;
+ device-width = <2>;
+ partition@0x0 {
+ label = "boot loader area";
+ reg = <0x00000000 0x00400000>;
+ };
+ partition@0x400000 {
+ label = "kernel image";
+ reg = <0x00400000 0x00600000>;
+ };
+ partition@0xa00000 {
+ label = "data";
+ reg = <0x00a00000 0x005e0000>;
+ };
+ partition@0xfe0000 {
+ label = "boot environment";
+ reg = <0x00fe0000 0x00020000>;
+ };
+ };
+};
diff --git a/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi
new file mode 100644
index 0000000..6f9c10d
--- /dev/null
+++ b/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi
@@ -0,0 +1,18 @@
+/ {
+ flash: flash@f8000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "cfi-flash";
+ reg = <0xf8000000 0x00400000>;
+ bank-width = <2>;
+ device-width = <2>;
+ partition@0x0 {
+ label = "boot loader area";
+ reg = <0x00000000 0x003f0000>;
+ };
+ partition@0x3f0000 {
+ label = "boot environment";
+ reg = <0x003f0000 0x00010000>;
+ };
+ };
+};
diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi
new file mode 100644
index 0000000..7eda6ec
--- /dev/null
+++ b/arch/xtensa/boot/dts/xtfpga.dtsi
@@ -0,0 +1,56 @@
+/ {
+ compatible = "xtensa,xtfpga";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&pic>;
+
+ chosen {
+ bootargs = "earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x06000000>;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu@0 {
+ compatible = "xtensa,cpu";
+ reg = <0>;
+ /* Filled in by platform_setup from FPGA register
+ * clock-frequency = <100000000>;
+ */
+ };
+ };
+
+ pic: pic {
+ compatible = "xtensa,pic";
+ /* one cell: internal irq number,
+ * two cells: second cell == 0: internal irq number
+ * second cell == 1: external irq number
+ */
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ };
+
+ serial0: serial@fd050020 {
+ device_type = "serial";
+ compatible = "ns16550a";
+ no-loopback-test;
+ reg = <0xfd050020 0x20>;
+ reg-shift = <2>;
+ interrupts = <0 1>; /* external irq 0 */
+ /* Filled in by platform_setup from FPGA register
+ * clock-frequency = <100000000>;
+ */
+ };
+
+ enet0: ethoc@fd030000 {
+ compatible = "opencores,ethoc";
+ reg = <0xfd030000 0x4000 0xfd800000 0x4000>;
+ interrupts = <1 1>; /* external irq 1 */
+ local-mac-address = [00 50 c2 13 6f 00];
+ };
+};
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