From 43b7ab99ecacb1d0556de8d3c1950aefc8fb23b0 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 20 Jan 2018 14:16:55 +0100 Subject: [PATCH] MIPS: add support for Broadcom MIPS BCM6368 SoC family MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Daniel Schwierzeck --- 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 + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#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@0 { + compatible = "brcm,bcm6368-cpu", "mips,mips4Kc"; + device_type = "cpu"; + reg = <0>; + u-boot,dm-pre-reloc; + }; + + cpu@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@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@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 = <6>; + + status = "disabled"; + }; + + gpio0: gpio-controller@10000084 { + compatible = "brcm,bcm6345-gpio"; + reg = <0x10000084 0x4>, <0x1000008c 0x4>; + gpio-controller; + #gpio-cells = <2>; + + status = "disabled"; + }; + + leds: led-controller@100000d0 { + compatible = "brcm,bcm6358-leds"; + reg = <0x100000d0 0x8>; + #address-cells = <1>; + #size-cells = <0>; + + 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"; + }; + + spi: spi@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@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 + * + * 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 + * + * 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 + * + * 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 */ -- 2.25.1