From dbe91a2e6e53aa85efa0aac86e3a22ba95f8b85f Mon Sep 17 00:00:00 2001
From: Ken Cox <jkc@redhat.com>
Date: Wed, 18 Jul 2012 23:19:10 -0400
Subject: C6X: add basic support for TMS320C6678 SoC
This patch adds support for the TMS320C6678 SoC on an EVMC6678LE
evaluation board. The 6678 is a C66x family CPU which is very similar
to the already supported C64x CPUs with the addition of floating point
instructions.
Signed-off-by: Ken Cox <jkc@redhat.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
CC: Aurelien Jacquiot <a-jacquiot@ti.com>
CC: linux-c6x-dev@linux-c6x.org
---
arch/c6x/boot/dts/evmc6678.dts | 83 +++++++++++++++++++++
arch/c6x/boot/dts/tms320c6678.dtsi | 146 +++++++++++++++++++++++++++++++++++++
2 files changed, 229 insertions(+)
create mode 100644 arch/c6x/boot/dts/evmc6678.dts
create mode 100644 arch/c6x/boot/dts/tms320c6678.dtsi
(limited to 'arch/c6x/boot/dts')
diff --git a/arch/c6x/boot/dts/evmc6678.dts b/arch/c6x/boot/dts/evmc6678.dts
new file mode 100644
index 000000000000..ab686301d321
--- /dev/null
+++ b/arch/c6x/boot/dts/evmc6678.dts
@@ -0,0 +1,83 @@
+/*
+ * arch/c6x/boot/dts/evmc6678.dts
+ *
+ * EVMC6678 Evaluation Platform For TMS320C6678
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated
+ *
+ * Author: Ken Cox <jkc@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ */
+
+/dts-v1/;
+
+/include/ "tms320c6678.dtsi"
+
+/ {
+ model = "Advantech EVMC6678";
+ compatible = "advantech,evmc6678";
+
+ chosen {
+ bootargs = "root=/dev/nfs ip=dhcp rw";
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>;
+ };
+
+ soc {
+ megamod_pic: interrupt-controller@1800000 {
+ interrupts = < 12 13 14 15 >;
+ };
+
+ timer8: timer@2280000 {
+ interrupt-parent = <&megamod_pic>;
+ interrupts = < 66 >;
+ };
+
+ timer9: timer@2290000 {
+ interrupt-parent = <&megamod_pic>;
+ interrupts = < 68 >;
+ };
+
+ timer10: timer@22A0000 {
+ interrupt-parent = <&megamod_pic>;
+ interrupts = < 70 >;
+ };
+
+ timer11: timer@22B0000 {
+ interrupt-parent = <&megamod_pic>;
+ interrupts = < 72 >;
+ };
+
+ timer12: timer@22C0000 {
+ interrupt-parent = <&megamod_pic>;
+ interrupts = < 74 >;
+ };
+
+ timer13: timer@22D0000 {
+ interrupt-parent = <&megamod_pic>;
+ interrupts = < 76 >;
+ };
+
+ timer14: timer@22E0000 {
+ interrupt-parent = <&megamod_pic>;
+ interrupts = < 78 >;
+ };
+
+ timer15: timer@22F0000 {
+ interrupt-parent = <&megamod_pic>;
+ interrupts = < 80 >;
+ };
+
+ clock-controller@2310000 {
+ clock-frequency = <100000000>;
+ };
+ };
+};
diff --git a/arch/c6x/boot/dts/tms320c6678.dtsi b/arch/c6x/boot/dts/tms320c6678.dtsi
new file mode 100644
index 000000000000..386196e5eae7
--- /dev/null
+++ b/arch/c6x/boot/dts/tms320c6678.dtsi
@@ -0,0 +1,146 @@
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ reg = <0>;
+ model = "ti,c66x";
+ };
+ cpu@1 {
+ device_type = "cpu";
+ reg = <1>;
+ model = "ti,c66x";
+ };
+ cpu@2 {
+ device_type = "cpu";
+ reg = <2>;
+ model = "ti,c66x";
+ };
+ cpu@3 {
+ device_type = "cpu";
+ reg = <3>;
+ model = "ti,c66x";
+ };
+ cpu@4 {
+ device_type = "cpu";
+ reg = <4>;
+ model = "ti,c66x";
+ };
+ cpu@5 {
+ device_type = "cpu";
+ reg = <5>;
+ model = "ti,c66x";
+ };
+ cpu@6 {
+ device_type = "cpu";
+ reg = <6>;
+ model = "ti,c66x";
+ };
+ cpu@7 {
+ device_type = "cpu";
+ reg = <7>;
+ model = "ti,c66x";
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ model = "tms320c6678";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ core_pic: interrupt-controller {
+ compatible = "ti,c64x+core-pic";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ megamod_pic: interrupt-controller@1800000 {
+ compatible = "ti,c64x+megamod-pic";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ reg = <0x1800000 0x1000>;
+ interrupt-parent = <&core_pic>;
+ };
+
+ cache-controller@1840000 {
+ compatible = "ti,c64x+cache";
+ reg = <0x01840000 0x8400>;
+ };
+
+ timer8: timer@2280000 {
+ compatible = "ti,c64x+timer64";
+ ti,core-mask = < 0x01 >;
+ reg = <0x2280000 0x40>;
+ };
+
+ timer9: timer@2290000 {
+ compatible = "ti,c64x+timer64";
+ ti,core-mask = < 0x02 >;
+ reg = <0x2290000 0x40>;
+ };
+
+ timer10: timer@22A0000 {
+ compatible = "ti,c64x+timer64";
+ ti,core-mask = < 0x04 >;
+ reg = <0x22A0000 0x40>;
+ };
+
+ timer11: timer@22B0000 {
+ compatible = "ti,c64x+timer64";
+ ti,core-mask = < 0x08 >;
+ reg = <0x22B0000 0x40>;
+ };
+
+ timer12: timer@22C0000 {
+ compatible = "ti,c64x+timer64";
+ ti,core-mask = < 0x10 >;
+ reg = <0x22C0000 0x40>;
+ };
+
+ timer13: timer@22D0000 {
+ compatible = "ti,c64x+timer64";
+ ti,core-mask = < 0x20 >;
+ reg = <0x22D0000 0x40>;
+ };
+
+ timer14: timer@22E0000 {
+ compatible = "ti,c64x+timer64";
+ ti,core-mask = < 0x40 >;
+ reg = <0x22E0000 0x40>;
+ };
+
+ timer15: timer@22F0000 {
+ compatible = "ti,c64x+timer64";
+ ti,core-mask = < 0x80 >;
+ reg = <0x22F0000 0x40>;
+ };
+
+ clock-controller@2310000 {
+ compatible = "ti,c6678-pll", "ti,c64x+pll";
+ reg = <0x02310000 0x200>;
+ ti,c64x+pll-bypass-delay = <200>;
+ ti,c64x+pll-reset-delay = <12000>;
+ ti,c64x+pll-lock-delay = <80000>;
+ };
+
+ device-state-controller@2620000 {
+ compatible = "ti,c64x+dscr";
+ reg = <0x02620000 0x1000>;
+
+ ti,dscr-devstat = <0x20>;
+ ti,dscr-silicon-rev = <0x18 28 0xf>;
+
+ ti,dscr-mac-fuse-regs = <0x110 1 2 3 4
+ 0x114 5 6 0 0>;
+
+ };
+ };
+};
--
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