[U-Boot] [PATCH v2 2/3] MIPS: add support for Broadcom MIPS BCM6368 SoC family

Álvaro Fernández Rojas noltari at gmail.com
Sat Jan 20 13:16:55 UTC 2018


Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
---
 v2: Remove board Kconfig

 arch/mips/dts/brcm,bcm6368.dtsi           | 168 ++++++++++++++++++++++++++++++
 arch/mips/mach-bmips/Kconfig              |  12 +++
 include/configs/bmips_bcm6368.h           |  30 ++++++
 include/dt-bindings/clock/bcm6368-clock.h |  31 ++++++
 include/dt-bindings/reset/bcm6368-reset.h |  22 ++++
 5 files changed, 263 insertions(+)
 create mode 100644 arch/mips/dts/brcm,bcm6368.dtsi
 create mode 100644 include/configs/bmips_bcm6368.h
 create mode 100644 include/dt-bindings/clock/bcm6368-clock.h
 create mode 100644 include/dt-bindings/reset/bcm6368-reset.h

diff --git a/arch/mips/dts/brcm,bcm6368.dtsi b/arch/mips/dts/brcm,bcm6368.dtsi
new file mode 100644
index 0000000000..1bb538a1f3
--- /dev/null
+++ b/arch/mips/dts/brcm,bcm6368.dtsi
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <dt-bindings/clock/bcm6368-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/reset/bcm6368-reset.h>
+#include "skeleton.dtsi"
+
+/ {
+	compatible = "brcm,bcm6368";
+
+	aliases {
+		spi0 = &spi;
+	};
+
+	cpus {
+		reg = <0x10000000 0x4>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		u-boot,dm-pre-reloc;
+
+		cpu at 0 {
+			compatible = "brcm,bcm6368-cpu", "mips,mips4Kc";
+			device_type = "cpu";
+			reg = <0>;
+			u-boot,dm-pre-reloc;
+		};
+
+		cpu at 1 {
+			compatible = "brcm,bcm6368-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;
+		};
+
+		periph_clk: periph-clk {
+			compatible = "brcm,bcm6345-clk";
+			reg = <0x10000004 0x4>;
+			#clock-cells = <1>;
+		};
+	};
+
+	pflash: nor at 18000000 {
+		compatible = "cfi-flash";
+		reg = <0x18000000 0x2000000>;
+		bank-width = <2>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		status = "disabled";
+	};
+
+	ubus {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		u-boot,dm-pre-reloc;
+
+		pll_cntl: syscon at 10000008 {
+			compatible = "syscon";
+			reg = <0x10000008 0x4>;
+		};
+
+		syscon-reboot {
+			compatible = "syscon-reboot";
+			regmap = <&pll_cntl>;
+			offset = <0x0>;
+			mask = <0x1>;
+		};
+
+		periph_rst: reset-controller at 10000010 {
+			compatible = "brcm,bcm6345-reset";
+			reg = <0x10000010 0x4>;
+			#reset-cells = <1>;
+		};
+
+		wdt: watchdog at 1000005c {
+			compatible = "brcm,bcm6345-wdt";
+			reg = <0x1000005c 0xc>;
+			clocks = <&periph_osc>;
+		};
+
+		wdt-reboot {
+			compatible = "wdt-reboot";
+			wdt = <&wdt>;
+		};
+
+		gpio1: gpio-controller at 10000080 {
+			compatible = "brcm,bcm6345-gpio";
+			reg = <0x10000080 0x4>, <0x10000088 0x4>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			ngpios = <6>;
+
+			status = "disabled";
+		};
+
+		gpio0: gpio-controller at 10000084 {
+			compatible = "brcm,bcm6345-gpio";
+			reg = <0x10000084 0x4>, <0x1000008c 0x4>;
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			status = "disabled";
+		};
+
+		leds: led-controller at 100000d0 {
+			compatible = "brcm,bcm6358-leds";
+			reg = <0x100000d0 0x8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
+
+		uart0: serial at 10000100 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x10000100 0x18>;
+			clocks = <&periph_osc>;
+
+			status = "disabled";
+		};
+
+		uart1: serial at 10000120 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x10000120 0x18>;
+			clocks = <&periph_osc>;
+
+			status = "disabled";
+		};
+
+		spi: spi at 10000800 {
+			compatible = "brcm,bcm6358-spi";
+			reg = <0x10000800 0x70c>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&periph_clk BCM6368_CLK_SPI>;
+			resets = <&periph_rst BCM6368_RST_SPI>;
+			spi-max-frequency = <20000000>;
+			num-cs = <6>;
+
+			status = "disabled";
+		};
+
+		memory-controller at 10001200 {
+			compatible = "brcm,bcm6358-mc";
+			reg = <0x10001200 0x4c>;
+			u-boot,dm-pre-reloc;
+		};
+	};
+};
diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig
index db8b40523a..4438c62bae 100644
--- a/arch/mips/mach-bmips/Kconfig
+++ b/arch/mips/mach-bmips/Kconfig
@@ -10,6 +10,7 @@ config SYS_SOC
 	default "bcm6338" if SOC_BMIPS_BCM6338
 	default "bcm6348" if SOC_BMIPS_BCM6348
 	default "bcm6358" if SOC_BMIPS_BCM6358
+	default "bcm6368" if SOC_BMIPS_BCM6368
 	default "bcm63268" if SOC_BMIPS_BCM63268
 
 choice
@@ -70,6 +71,17 @@ config SOC_BMIPS_BCM6358
 	help
 	  This supports BMIPS BCM6358 family including BCM6358 and BCM6359.
 
+config SOC_BMIPS_BCM6368
+	bool "BMIPS BCM6368 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 BCM6368 family including BCM6368 and BCM6369.
+
 config SOC_BMIPS_BCM63268
 	bool "BMIPS BCM63268 family"
 	select SUPPORTS_BIG_ENDIAN
diff --git a/include/configs/bmips_bcm6368.h b/include/configs/bmips_bcm6368.h
new file mode 100644
index 0000000000..ce35fae6a0
--- /dev/null
+++ b/include/configs/bmips_bcm6368.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_BMIPS_BCM6368_H
+#define __CONFIG_BMIPS_BCM6368_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
+
+#define CONFIG_SYS_FLASH_BASE			0xb8000000
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_SYS_MAX_FLASH_BANKS_DETECT	1
+
+#endif /* __CONFIG_BMIPS_BCM6368_H */
diff --git a/include/dt-bindings/clock/bcm6368-clock.h b/include/dt-bindings/clock/bcm6368-clock.h
new file mode 100644
index 0000000000..9d41c0f131
--- /dev/null
+++ b/include/dt-bindings/clock/bcm6368-clock.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_BCM6368_H
+#define __DT_BINDINGS_CLOCK_BCM6368_H
+
+#define BCM6368_CLK_VDSL_QPROC		2
+#define BCM6368_CLK_VDSL_AFE		3
+#define BCM6368_CLK_VDSL_BONDING	4
+#define BCM6368_CLK_VDSL		5
+#define BCM6368_CLK_PHYMIPS		6
+#define BCM6368_CLK_SWPKT_USB		7
+#define BCM6368_CLK_SWPKT_SAR		8
+#define BCM6368_CLK_SPI			9
+#define BCM6368_CLK_USBD		10
+#define BCM6368_CLK_SAR			11
+#define BCM6368_CLK_ROBOSW		12
+#define BCM6368_CLK_UTOPIA		13
+#define BCM6368_CLK_PCM			14
+#define BCM6368_CLK_USBH		15
+#define BCM6368_CLK_GLESS		16
+#define BCM6368_CLK_NAND		17
+#define BCM6368_CLK_IPSEC		18
+#define BCM6368_CLK_USBH_IDDQ		19
+
+#endif /* __DT_BINDINGS_CLOCK_BCM6368_H */
diff --git a/include/dt-bindings/reset/bcm6368-reset.h b/include/dt-bindings/reset/bcm6368-reset.h
new file mode 100644
index 0000000000..afa6a81d4c
--- /dev/null
+++ b/include/dt-bindings/reset/bcm6368-reset.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_RESET_BCM6368_H
+#define __DT_BINDINGS_RESET_BCM6368_H
+
+#define BCM6368_RST_SPI		0
+#define BCM6368_RST_MPI		3
+#define BCM6368_RST_IPSEC	4
+#define BCM6368_RST_EPHY	6
+#define BCM6368_RST_SAR		7
+#define BCM6368_RST_SWITCH	10
+#define BCM6368_RST_USBD	11
+#define BCM6368_RST_USBH	12
+#define BCM6368_RST_PCM		13
+
+#endif /* __DT_BINDINGS_RESET_BCM6368_H */
-- 
2.11.0



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