ARM: dts: ixp4xx: Add Intel IXDP425 etc reference designs
authorLinus Walleij <linus.walleij@linaro.org>
Tue, 27 Jul 2021 22:11:59 +0000 (00:11 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Sun, 8 Aug 2021 23:55:42 +0000 (01:55 +0200)
The IXDP425, IXCDP1100, KIXRP435 and IXDP465 are similar Intel reference
designs for IXP42x, IXP43x and IXP4[56]x.

This adds device trees for these so the board files can be migrated.

Cc: Deepak Saxena <dsaxena@plexity.net>
Cc: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
arch/arm/boot/dts/Makefile
arch/arm/boot/dts/intel-ixp42x-ixdp425.dts [new file with mode: 0644]
arch/arm/boot/dts/intel-ixp43x-kixrp435.dts [new file with mode: 0644]
arch/arm/boot/dts/intel-ixp46x-ixdp465.dts [new file with mode: 0644]
arch/arm/boot/dts/intel-ixp4xx-reference-design.dtsi [new file with mode: 0644]

index bc6237aea02cb52c606aace7e3b692e18b6156cc..f1f189e3a9386a5cafd09ba43112deb3e982df5f 100644 (file)
@@ -242,6 +242,9 @@ dtb-$(CONFIG_ARCH_INTEGRATOR) += \
 dtb-$(CONFIG_ARCH_IXP4XX) += \
        intel-ixp42x-linksys-nslu2.dtb \
        intel-ixp42x-welltech-epbx100.dtb \
+       intel-ixp42x-ixdp425.dtb \
+       intel-ixp43x-kixrp435.dtb \
+       intel-ixp46x-ixdp465.dtb \
        intel-ixp42x-iomega-nas100d.dtb \
        intel-ixp42x-dlink-dsm-g600.dtb \
        intel-ixp42x-gateworks-gw2348.dtb \
diff --git a/arch/arm/boot/dts/intel-ixp42x-ixdp425.dts b/arch/arm/boot/dts/intel-ixp42x-ixdp425.dts
new file mode 100644 (file)
index 0000000..beaadda
--- /dev/null
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for the Intel IXDP425 also known as IXCDP1100 Control Plane
+ * processor reference design.
+ *
+ * This platform has the codename "Richfield".
+ *
+ * This machine is based on a 533 MHz IXP425.
+ */
+
+/dts-v1/;
+
+#include "intel-ixp42x.dtsi"
+#include "intel-ixp4xx-reference-design.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+       model = "Intel IXDP425/IXCDP1100 Richfield Reference Design";
+       compatible = "intel,ixdp425", "intel,ixp42x";
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       soc {
+               bus@c4000000 {
+                       flash@0,0 {
+                               compatible = "intel,ixp4xx-flash", "cfi-flash";
+                               bank-width = <2>;
+                               /* Enable writes on the expansion bus */
+                               intel,ixp4xx-eb-write-enable = <1>;
+                               /* 16 MB of Flash mapped in at CS0 */
+                               reg = <0 0x00000000 0x1000000>;
+
+                               partitions {
+                                       compatible = "redboot-fis";
+                                       /* Eraseblock at 0x0fe0000 */
+                                       fis-index-block = <0x7f>;
+                               };
+                       };
+               };
+
+               /* EthB */
+               ethernet@c8009000 {
+                       status = "ok";
+                       queue-rx = <&qmgr 3>;
+                       queue-txready = <&qmgr 20>;
+                       phy-mode = "rgmii";
+                       phy-handle = <&phy0>;
+
+                       mdio {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               phy0: ethernet-phy@0 {
+                                       reg = <0>;
+                               };
+
+                               phy1: ethernet-phy@1 {
+                                       reg = <1>;
+                               };
+                       };
+               };
+
+               /* EthC */
+               ethernet@c800a000 {
+                       status = "ok";
+                       queue-rx = <&qmgr 4>;
+                       queue-txready = <&qmgr 21>;
+                       phy-mode = "rgmii";
+                       phy-handle = <&phy1>;
+               };
+       };
+};
diff --git a/arch/arm/boot/dts/intel-ixp43x-kixrp435.dts b/arch/arm/boot/dts/intel-ixp43x-kixrp435.dts
new file mode 100644 (file)
index 0000000..3d7cfa1
--- /dev/null
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for the Intel KIXRP435 Control Plane
+ * processor reference design.
+ */
+
+/dts-v1/;
+
+#include "intel-ixp43x.dtsi"
+#include "intel-ixp4xx-reference-design.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+       model = "Intel KIXRP435 Reference Design";
+       compatible = "intel,kixrp435", "intel,ixp43x";
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       soc {
+               bus@c4000000 {
+                       flash@0,0 {
+                               compatible = "intel,ixp4xx-flash", "cfi-flash";
+                               bank-width = <2>;
+                               /* Enable writes on the expansion bus */
+                               intel,ixp4xx-eb-write-enable = <1>;
+                               /* 16 MB of Flash mapped in at CS0 */
+                               reg = <0 0x00000000 0x1000000>;
+
+                               partitions {
+                                       compatible = "redboot-fis";
+                                       /* Eraseblock at 0x0fe0000 */
+                                       fis-index-block = <0x7f>;
+                               };
+                       };
+               };
+
+               /* CHECKME: ethernet set-up taken from Gateworks Cambria */
+               ethernet@c800a000 {
+                       status = "ok";
+                       queue-rx = <&qmgr 4>;
+                       queue-txready = <&qmgr 21>;
+                       phy-mode = "rgmii";
+                       phy-handle = <&phy1>;
+
+                       mdio {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               phy1: ethernet-phy@1 {
+                                       reg = <1>;
+                               };
+
+                               phy2: ethernet-phy@2 {
+                                       reg = <2>;
+                               };
+                       };
+               };
+
+               ethernet@c800c000 {
+                       status = "ok";
+                       queue-rx = <&qmgr 2>;
+                       queue-txready = <&qmgr 19>;
+                       phy-mode = "rgmii";
+                       phy-handle = <&phy2>;
+                       intel,npe-handle = <&npe 0>;
+               };
+       };
+};
diff --git a/arch/arm/boot/dts/intel-ixp46x-ixdp465.dts b/arch/arm/boot/dts/intel-ixp46x-ixdp465.dts
new file mode 100644 (file)
index 0000000..a062cd1
--- /dev/null
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for the Intel IXDP465 Control Plane processor reference
+ * design, codename "BMP".
+ */
+
+/dts-v1/;
+
+#include "intel-ixp45x-ixp46x.dtsi"
+#include "intel-ixp4xx-reference-design.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+       model = "Intel IXDP465 BMP Reference Design";
+       compatible = "intel,ixdp465", "intel,ixp46x";
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       soc {
+               bus@c4000000 {
+                       flash@0,0 {
+                               compatible = "intel,ixp4xx-flash", "cfi-flash";
+                               bank-width = <2>;
+                               /* Enable writes on the expansion bus */
+                               intel,ixp4xx-eb-write-enable = <1>;
+                               /* 32 MB of Flash mapped in at CS0 and CS1 */
+                               reg = <0 0x00000000 0x2000000>;
+
+                               partitions {
+                                       compatible = "redboot-fis";
+                                       /* Eraseblock at 0x1fe0000 */
+                                       fis-index-block = <0xff>;
+                               };
+                       };
+               };
+               /* TODO: configure ethernet etc */
+       };
+};
diff --git a/arch/arm/boot/dts/intel-ixp4xx-reference-design.dtsi b/arch/arm/boot/dts/intel-ixp4xx-reference-design.dtsi
new file mode 100644 (file)
index 0000000..c1d9c49
--- /dev/null
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree include file for Intel reference designs for the
+ * XScale Network Processors in the IXP 4xx series. Common device
+ * set-up for IXDP425, IXCDP1100, KIXRP435 and IXDP465.
+ */
+
+/ {
+       memory@0 {
+               /*
+                * The board supports up to 256 MB of memory. Here we put in
+                * 64 MB and this may be modified by the boot loader.
+                */
+               device_type = "memory";
+               reg = <0x00000000 0x4000000>;
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,115200n8";
+               stdout-path = "uart0:115200n8";
+       };
+
+       aliases {
+               serial0 = &uart0;
+       };
+
+       i2c {
+               compatible = "i2c-gpio";
+               sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               eeprom@50 {
+                       /*
+                        * Philips PCF8582C-2T/03 512byte I2C EEPROM
+                        * should behave like an Atmel 24c04.
+                        */
+                       compatible = "atmel,24c04";
+                       reg = <0x50>;
+                       pagesize = <16>;
+                       size = <512>;
+                       read-only;
+               };
+       };
+
+       soc {
+               bus@c4000000 {
+                       /* Flash memory defined per-variant */
+                       nand-controller@3,0 {
+                               /* Some designs have a NAND on CS3 enable it here if present */
+                               status = "disabled";
+
+                               /*
+                                * gen_nand needs to be extended and documented to get
+                                * command byte = 1 and address byte = 2 from the device
+                                * tree.
+                                */
+                               compatible = "gen_nand";
+
+                               /* Expansion bus set-up */
+                               intel,ixp4xx-eb-t1 = <0>;
+                               intel,ixp4xx-eb-t2 = <0>;
+                               intel,ixp4xx-eb-t3 = <1>; // 1 cycle extra strobe phase
+                               intel,ixp4xx-eb-t4 = <0>;
+                               intel,ixp4xx-eb-t5 = <0>;
+                               intel,ixp4xx-eb-cycle-type = <0>; // Intel cycle type
+                               intel,ixp4xx-eb-byte-access-on-halfword = <0>;
+                               intel,ixp4xx-eb-mux-address-and-data = <0>;
+                               intel,ixp4xx-eb-ahb-split-transfers = <0>;
+                               intel,ixp4xx-eb-write-enable = <1>;
+                               intel,ixp4xx-eb-byte-access = <1>;
+
+                               /* 512 bytes memory window */
+                               reg = <3 0x00000000 0x200>;
+                               nand-on-flash-bbt;
+                               nand-ecc-mode = "soft_bch";
+                               nand-ecc-step-size = <512>;
+                               nand-ecc-strength = <4>;
+                               nce-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>; /* NCE */
+
+                               label = "ixp400 NAND";
+
+                               partitions {
+                                       compatible = "fixed-partitions";
+                                       #address-cells = <1>;
+                                       #size-cells = <1>;
+
+                                       fs@0 {
+                                               label = "ixp400 NAND FS 0";
+                                               reg = <0x0 0x800000>;
+                                       };
+                                       fs@800000 {
+                                               label = "ixp400 NAND FS 1";
+                                               reg = <0x800000 0x0>;
+                                       };
+                               };
+                       };
+               };
+
+               pci@c0000000 {
+                       status = "ok";
+
+                       /*
+                        * Taken from IXDP425 PCI boardfile.
+                        * PCI slots on the BIXMB425BD base card.
+                        * We have up to 4 slots (IDSEL) with 4 swizzled IRQs.
+                        */
+                       interrupt-map =
+                       /* IDSEL 1 */
+                       <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
+                       <0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 10 */
+                       <0x0800 0 0 3 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 9 */
+                       <0x0800 0 0 4 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */
+                       /* IDSEL 2 */
+                       <0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */
+                       <0x1000 0 0 2 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */
+                       <0x1000 0 0 3 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 8 */
+                       <0x1000 0 0 4 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 2 is irq 11 */
+                       /* IDSEL 3 */
+                       <0x1800 0 0 1 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */
+                       <0x1800 0 0 2 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 8 */
+                       <0x1800 0 0 3 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 11 */
+                       <0x1800 0 0 4 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 10 */
+                       /* IDSEL 4 */
+                       <0x2000 0 0 1 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 4 is irq 8 */
+                       <0x2000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 4 is irq 11 */
+                       <0x2000 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 4 is irq 10 */
+                       <0x2000 0 0 4 &gpio0 9  IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 4 is irq 9 */
+               };
+       };
+};