bcm6858: add initial support

This add the initial support of the broadcom bcm6858 SoC family,
only the cpu, dram and uart are supported.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f0e7fde13772288bf12718b8e0acaf581eb9bd95..f5d4d3968383c7df41ad7936e5ad501b7814ce9c 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -528,6 +528,12 @@ config ARCH_BCM283X
        imply CMD_DM
        imply FAT_WRITE
 
+config ARCH_BCM6858
+       bool "Broadcom BCM6858 family"
+       select DM
+       select OF_CONTROL
+       imply CMD_DM
+
 config TARGET_VEXPRESS_CA15_TC2
        bool "Support vexpress_ca15_tc2"
        select CPU_V7A
@@ -1490,6 +1496,7 @@ source "board/armltd/vexpress/Kconfig"
 source "board/armltd/vexpress64/Kconfig"
 source "board/broadcom/bcm23550_w1d/Kconfig"
 source "board/broadcom/bcm28155_ap/Kconfig"
+source "board/broadcom/bcm968580xref/Kconfig"
 source "board/broadcom/bcmcygnus/Kconfig"
 source "board/broadcom/bcmnsp/Kconfig"
 source "board/broadcom/bcmns2/Kconfig"

diff --git a/arch/arm/dts/bcm6858.dtsi b/arch/arm/dts/bcm6858.dtsi
new file mode 100644 (file)
index 0000000..9869d72
--- /dev/null
+++ b/arch/arm/dts/bcm6858.dtsi
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Philippe Reynes <philippe.reynes@softathome.com>
+ */
+
+#include "skeleton64.dtsi"
+
+/ {
+       compatible = "brcm,bcm6858";
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       cpus {
+               #address-cells = <2>;
+               #size-cells = <0>;
+               u-boot,dm-pre-reloc;
+
+               cpu0: cpu@0 {
+                       compatible = "arm,cortex-a53", "arm,armv8";
+                       device_type = "cpu";
+                       reg = <0x0 0x0>;
+                       next-level-cache = <&l2>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               cpu1: cpu@1 {
+                       compatible = "arm,cortex-a53", "arm,armv8";
+                       device_type = "cpu";
+                       reg = <0x0 0x1>;
+                       next-level-cache = <&l2>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               cpu2: cpu@2 {
+                       compatible = "arm,cortex-a53", "arm,armv8";
+                       device_type = "cpu";
+                       reg = <0x0 0x2>;
+                       next-level-cache = <&l2>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               cpu3: cpu@3 {
+                       compatible = "arm,cortex-a53", "arm,armv8";
+                       device_type = "cpu";
+                       reg = <0x0 0x3>;
+                       next-level-cache = <&l2>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               l2: l2-cache0 {
+                       compatible = "cache";
+                       u-boot,dm-pre-reloc;
+               };
+       };
+
+       clocks {
+               compatible = "simple-bus";
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+               u-boot,dm-pre-reloc;
+
+               periph_osc: periph-osc {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <200000000>;
+                       u-boot,dm-pre-reloc;
+               };
+       };
+
+       ubus {
+               compatible = "simple-bus";
+               #address-cells = <2>;
+               #size-cells = <2>;
+               u-boot,dm-pre-reloc;
+
+               uart0: serial@ff800640 {
+                       compatible = "brcm,bcm6858-uart";
+                       reg = <0x0 0xff800640 0x0 0x18>;
+                       clocks = <&periph_osc>;
+
+                       status = "disabled";
+               };
+       };
+};