MIPS: add support for Broadcom MIPS BCM6362 SoC family

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

6 files changed, 309 insertions, 0 deletions

diff --git a/arch/mips/dts/brcm,bcm6362.dtsi b/arch/mips/dts/brcm,bcm6362.dtsi
new file mode 100644
index 0000000000..012a675c54
--- /dev/null
+++ b/arch/mips/dts/brcm,bcm6362.dtsi
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <dt-bindings/clock/bcm6362-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/power-domain/bcm6362-power-domain.h>
+#include <dt-bindings/reset/bcm6362-reset.h>
+#include "skeleton.dtsi"
+
+/ {
+	compatible = "brcm,bcm6362";
+
+	aliases {
+		spi0 = &lsspi;
+		spi1 = &hsspi;
+	};
+
+	cpus {
+		reg = <0x10000000 0x4>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		u-boot,dm-pre-reloc;
+
+		cpu@0 {
+			compatible = "brcm,bcm6362-cpu", "mips,mips4Kc";
+			device_type = "cpu";
+			reg = <0>;
+			u-boot,dm-pre-reloc;
+		};
+
+		cpu@1 {
+			compatible = "brcm,bcm6362-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;
+
+		hsspi_pll: hsspi-pll {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <133333333>;
+		};
+
+		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>;
+		};
+	};
+
+	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>;
+		};
+
+		periph_rst: reset-controller@10000010 {
+			compatible = "brcm,bcm6345-reset";
+			reg = <0x10000010 0x4>;
+			#reset-cells = <1>;
+		};
+
+		wdt: watchdog@1000005c {
+			compatible = "brcm,bcm6345-wdt";
+			reg = <0x1000005c 0xc>;
+			clocks = <&periph_osc>;
+		};
+
+		wdt-reboot {
+			compatible = "wdt-reboot";
+			wdt = <&wdt>;
+		};
+
+		gpio1: gpio-controller@10000080 {
+			compatible = "brcm,bcm6345-gpio";
+			reg = <0x10000080 0x4>, <0x10000088 0x4>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			ngpios = <16>;
+
+			status = "disabled";
+		};
+
+		gpio0: gpio-controller@10000084 {
+			compatible = "brcm,bcm6345-gpio";
+			reg = <0x10000084 0x4>, <0x1000008c 0x4>;
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			status = "disabled";
+		};
+
+		uart0: serial@10000100 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x10000100 0x18>;
+			clocks = <&periph_osc>;
+
+			status = "disabled";
+		};
+
+		uart1: serial@10000120 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x10000120 0x18>;
+			clocks = <&periph_osc>;
+
+			status = "disabled";
+		};
+
+		lsspi: spi@10000800 {
+			compatible = "brcm,bcm6358-spi";
+			reg = <0x10000800 0x70c>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&periph_clk BCM6362_CLK_SPI>;
+			resets = <&periph_rst BCM6362_RST_SPI>;
+			spi-max-frequency = <20000000>;
+			num-cs = <8>;
+
+			status = "disabled";
+		};
+
+		hsspi: spi@10001000 {
+			compatible = "brcm,bcm6328-hsspi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x10001000 0x600>;
+			clocks = <&periph_clk BCM6362_CLK_HSSPI>, <&hsspi_pll>;
+			clock-names = "hsspi", "pll";
+			resets = <&periph_rst BCM6362_RST_SPI>;
+			spi-max-frequency = <50000000>;
+			num-cs = <8>;
+
+			status = "disabled";
+		};
+
+		leds: led-controller@10001900 {
+			compatible = "brcm,bcm6328-leds";
+			reg = <0x10001900 0x24>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
+
+		periph_pwr: power-controller@10001848 {
+			compatible = "brcm,bcm6328-power-domain";
+			reg = <0x10001848 0x4>;
+			#power-domain-cells = <1>;
+		};
+
+		memory-controller@10003000 {
+			compatible = "brcm,bcm6328-mc";
+			reg = <0x10003000 0x864>;
+			u-boot,dm-pre-reloc;
+		};
+	};
+};
diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig
index e4a0118368..2cc6a6a8d9 100644
--- a/arch/mips/mach-bmips/Kconfig
+++ b/arch/mips/mach-bmips/Kconfig
@@ -12,6 +12,7 @@ config SYS_SOC
 	default "bcm6348" if SOC_BMIPS_BCM6348
 	default "bcm6358" if SOC_BMIPS_BCM6358
 	default "bcm6368" if SOC_BMIPS_BCM6368
+	default "bcm6362" if SOC_BMIPS_BCM6362
 	default "bcm63268" if SOC_BMIPS_BCM63268
 
 choice
@@ -94,6 +95,17 @@ config SOC_BMIPS_BCM6368
 	help
 	  This supports BMIPS BCM6368 family including BCM6368 and BCM6369.
 
+config SOC_BMIPS_BCM6362
+	bool "BMIPS BCM6362 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 BCM6362 family including BCM6361 and BCM6362.
+
 config SOC_BMIPS_BCM63268
 	bool "BMIPS BCM63268 family"
 	select SUPPORTS_BIG_ENDIAN
diff --git a/include/configs/bmips_bcm6362.h b/include/configs/bmips_bcm6362.h
new file mode 100644
index 0000000000..5fd22c38e6
--- /dev/null
+++ b/include/configs/bmips_bcm6362.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_BMIPS_BCM6362_H
+#define __CONFIG_BMIPS_BCM6362_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_BCM6362_H */
diff --git a/include/dt-bindings/clock/bcm6362-clock.h b/include/dt-bindings/clock/bcm6362-clock.h
new file mode 100644
index 0000000000..6b11a9f5ac
--- /dev/null
+++ b/include/dt-bindings/clock/bcm6362-clock.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_BCM6362_H
+#define __DT_BINDINGS_CLOCK_BCM6362_H
+
+#define BCM6362_CLK_GLESS	0
+#define BCM6362_CLK_ADSL_QPROC	1
+#define BCM6362_CLK_ADSL_AFE	2
+#define BCM6362_CLK_ADSL	3
+#define BCM6362_CLK_MIPS	4
+#define BCM6362_CLK_WLAN_OCP	5
+#define BCM6362_CLK_SWPKT_USB	7
+#define BCM6362_CLK_SWPKT_SAR	8
+#define BCM6362_CLK_SAR		9
+#define BCM6362_CLK_ROBOSW	10
+#define BCM6362_CLK_PCM		11
+#define BCM6362_CLK_USBD	12
+#define BCM6362_CLK_USBH	13
+#define BCM6362_CLK_IPSEC	14
+#define BCM6362_CLK_SPI		15
+#define BCM6362_CLK_HSSPI	16
+#define BCM6362_CLK_PCIE	17
+#define BCM6362_CLK_FAP		18
+#define BCM6362_CLK_PHYMIPS	19
+#define BCM6362_CLK_NAND	20
+
+#endif /* __DT_BINDINGS_CLOCK_BCM6362_H */
diff --git a/include/dt-bindings/power-domain/bcm6362-power-domain.h b/include/dt-bindings/power-domain/bcm6362-power-domain.h
new file mode 100644
index 0000000000..3178b00b57
--- /dev/null
+++ b/include/dt-bindings/power-domain/bcm6362-power-domain.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_POWER_DOMAIN_BCM6362_H
+#define __DT_BINDINGS_POWER_DOMAIN_BCM6362_H
+
+#define BCM6362_PWR_SAR		0
+#define BCM6362_PWR_IPSEC	1
+#define BCM6362_PWR_MIPS	2
+#define BCM6362_PWR_DECT	3
+#define BCM6362_PWR_USBH	4
+#define BCM6362_PWR_USBD	5
+#define BCM6362_PWR_ROBOSW	6
+#define BCM6362_PWR_PCM		7
+#define BCM6362_PWR_PERIPH	8
+#define BCM6362_PWR_ADSL_PHY	9
+#define BCM6362_PWR_GMII_PADS	10
+#define BCM6362_PWR_FAP		11
+#define BCM6362_PWR_PCIE	12
+#define BCM6362_PWR_WLAN_PADS	13
+
+#endif /* __DT_BINDINGS_POWER_DOMAIN_BCM6362_H */
diff --git a/include/dt-bindings/reset/bcm6362-reset.h b/include/dt-bindings/reset/bcm6362-reset.h
new file mode 100644
index 0000000000..ffa46a62f6
--- /dev/null
+++ b/include/dt-bindings/reset/bcm6362-reset.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_RESET_BCM6362_H
+#define __DT_BINDINGS_RESET_BCM6362_H
+
+#define BCM6362_RST_SPI		0
+#define BCM6362_RST_IPSEC	1
+#define BCM6362_RST_EPHY	2
+#define BCM6362_RST_SAR		3
+#define BCM6362_RST_ENETSW	4
+#define BCM6362_RST_USBD	5
+#define BCM6362_RST_USBH	6
+#define BCM6362_RST_PCM		7
+#define BCM6362_RST_PCIE_CORE	8
+#define BCM6362_RST_PCIE	9
+#define BCM6362_RST_PCIE_EXT	10
+#define BCM6362_RST_WLAN_SHIM	11
+#define BCM6362_RST_DDR_PHY	12
+#define BCM6362_RST_FAP		13
+#define BCM6362_RST_WLAN_UBUS	14
+
+#endif /* __DT_BINDINGS_RESET_BCM6362_H */