MIPS: add support for Broadcom MIPS BCM63268 SoC family

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/mips/dts/brcm,bcm63268.dtsi b/arch/mips/dts/brcm,bcm63268.dtsi
new file mode 100644 (file)
index 0000000..3d81047
--- /dev/null
+++ b/arch/mips/dts/brcm,bcm63268.dtsi
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include "skeleton.dtsi"
+
+/ {
+       compatible = "brcm,bcm63268";
+
+       cpus {
+               reg = <0x10000000 0x4>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               u-boot,dm-pre-reloc;
+
+               cpu@0 {
+                       compatible = "brcm,bcm63268-cpu", "mips,mips4Kc";
+                       device_type = "cpu";
+                       reg = <0>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               cpu@1 {
+                       compatible = "brcm,bcm63268-cpu", "mips,mips4Kc";
+                       device_type = "cpu";
+                       reg = <1>;
+                       u-boot,dm-pre-reloc;
+               };
+       };
+
+       clocks {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               u-boot,dm-pre-reloc;
+
+               periph_osc: periph-osc {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <50000000>;
+                       u-boot,dm-pre-reloc;
+               };
+       };
+
+       ubus {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               u-boot,dm-pre-reloc;
+
+               pll_cntl: syscon@10000008 {
+                       compatible = "syscon";
+                       reg = <0x10000008 0x4>;
+               };
+
+               syscon-reboot {
+                       compatible = "syscon-reboot";
+                       regmap = <&pll_cntl>;
+                       offset = <0x0>;
+                       mask = <0x1>;
+               };
+
+               uart0: serial@10000180 {
+                       compatible = "brcm,bcm6345-uart";
+                       reg = <0x10000180 0x18>;
+                       clocks = <&periph_osc>;
+
+                       status = "disabled";
+               };
+
+               uart1: serial@100001a0 {
+                       compatible = "brcm,bcm6345-uart";
+                       reg = <0x100001a0 0x18>;
+                       clocks = <&periph_osc>;
+
+                       status = "disabled";
+               };
+
+               memory-controller@10003000 {
+                       compatible = "brcm,bcm6328-mc";
+                       reg = <0x10003000 0x1000>;
+                       u-boot,dm-pre-reloc;
+               };
+       };
+};

diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig
index e3ffcb7cf598c447eb2e53cbff70f51b3c1e93ec..b461b79226fe780903aee0b5b6351198adfb0283 100644 (file)
--- a/arch/mips/mach-bmips/Kconfig
+++ b/arch/mips/mach-bmips/Kconfig
@@ -4,6 +4,7 @@ menu "Broadcom MIPS platforms"
 config SYS_SOC
        default "bcm6328" if SOC_BMIPS_BCM6328
        default "bcm6358" if SOC_BMIPS_BCM6358
+       default "bcm63268" if SOC_BMIPS_BCM63268
 
 choice
        prompt "Broadcom MIPS SoC select"
@@ -30,6 +31,18 @@ config SOC_BMIPS_BCM6358
        help
          This supports BMIPS BCM6358 family including BCM6358 and BCM6359.
 
+config SOC_BMIPS_BCM63268
+       bool "BMIPS BCM63268 family"
+       select SUPPORTS_BIG_ENDIAN
+       select SUPPORTS_CPU_MIPS32_R1
+       select MIPS_TUNE_4KC
+       select MIPS_L1_CACHE_SHIFT_4
+       select SWAP_IO_SPACE
+       select SYSRESET_SYSCON
+       help
+         This supports BMIPS BCM63268 family including BCM63168, BCM63169,
+         BCM63268 and BCM63269.
+
 endchoice
 
 choice

diff --git a/include/configs/bmips_bcm63268.h b/include/configs/bmips_bcm63268.h
new file mode 100644 (file)
index 0000000..ac0a670
--- /dev/null
+++ b/include/configs/bmips_bcm63268.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __CONFIG_BMIPS_BCM63268_H
+#define __CONFIG_BMIPS_BCM63268_H
+
+/* CPU */
+#define CONFIG_SYS_MIPS_TIMER_FREQ     200000000
+
+/* RAM */
+#define CONFIG_NR_DRAM_BANKS           1
+#define CONFIG_SYS_SDRAM_BASE          0x80000000
+
+/* U-Boot */
+#define CONFIG_SYS_LOAD_ADDR           CONFIG_SYS_SDRAM_BASE + 0x100000
+
+#if defined(CONFIG_BMIPS_BOOT_RAM)
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_INIT_SP_OFFSET      0x2000
+#endif
+
+#endif /* __CONFIG_BMIPS_BCM63268_H */