[U-Boot] [PATCH 5/8] mips: add support for Broadcom MIPS
Álvaro Fernández Rojas
noltari at gmail.com
Sat Apr 15 17:24:57 UTC 2017
Hi Daniel,
El 14/04/2017 a las 21:23, Daniel Schwierzeck escribió:
>
>
> Am 13.04.2017 um 17:52 schrieb Álvaro Fernández Rojas:
>> This target supports some of the xDSL Broadcom MIPS SoCs for now.
>> However, support for other SoCs could be added in the future.
>>
>> Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
>> ---
>> arch/mips/Kconfig | 10 ++
>> arch/mips/Makefile | 1 +
>> arch/mips/dts/Makefile | 3 +
>> arch/mips/dts/brcm,bcm63268.dtsi | 87 +++++++++++
>> arch/mips/dts/brcm,bcm6328.dtsi | 87 +++++++++++
>> arch/mips/dts/brcm,bcm6358.dtsi | 97 ++++++++++++
>> arch/mips/dts/comtrend,ar-5387un.dts | 27 ++++
>> arch/mips/dts/comtrend,vr-3032u.dts | 27 ++++
>> arch/mips/dts/huawei,hg556a.dts | 31 ++++
>> arch/mips/mach-bmips/Kconfig | 86 ++++++++++
>> arch/mips/mach-bmips/Makefile | 5 +
>> arch/mips/mach-bmips/dram.c | 37 +++++
>> board/comtrend/ar5387un/Kconfig | 24 +++
>> board/comtrend/ar5387un/MAINTAINERS | 6 +
>> board/comtrend/ar5387un/Makefile | 5 +
>> board/comtrend/ar5387un/ar-5387un.c | 22 +++
>> board/comtrend/vr3032u/Kconfig | 24 +++
>> board/comtrend/vr3032u/MAINTAINERS | 6 +
>> board/comtrend/vr3032u/Makefile | 5 +
>> board/comtrend/vr3032u/vr-3032u.c | 22 +++
>> board/huawei/hg556a/Kconfig | 24 +++
>> board/huawei/hg556a/MAINTAINERS | 6 +
>> board/huawei/hg556a/Makefile | 5 +
>> board/huawei/hg556a/hg556a.c | 22 +++
>> configs/comtrend_ar5387un_ram_defconfig | 47 ++++++
>> configs/comtrend_vr3032u_ram_defconfig | 47 ++++++
>> configs/huawei_hg556a_ram_defconfig | 47 ++++++
>> drivers/cpu/Makefile | 2 +
>> drivers/cpu/bmips_cpu.c | 268 ++++++++++++++++++++++++++++++++
>> drivers/ram/Makefile | 2 +
>> drivers/ram/bmips_ram.c | 126 +++++++++++++++
>> include/configs/bmips_bcm63268.h | 25 +++
>> include/configs/bmips_bcm6328.h | 25 +++
>> include/configs/bmips_bcm6358.h | 27 ++++
>> include/configs/bmips_common.h | 26 ++++
>> include/configs/comtrend_ar5387un.h | 15 ++
>> include/configs/comtrend_vr3032u.h | 15 ++
>> include/configs/huawei_hg556a.h | 15 ++
>> 38 files changed, 1356 insertions(+)
>> create mode 100644 arch/mips/dts/brcm,bcm63268.dtsi
>> create mode 100644 arch/mips/dts/brcm,bcm6328.dtsi
>> create mode 100644 arch/mips/dts/brcm,bcm6358.dtsi
>> create mode 100644 arch/mips/dts/comtrend,ar-5387un.dts
>> create mode 100644 arch/mips/dts/comtrend,vr-3032u.dts
>> create mode 100644 arch/mips/dts/huawei,hg556a.dts
>> create mode 100644 arch/mips/mach-bmips/Kconfig
>> create mode 100644 arch/mips/mach-bmips/Makefile
>> create mode 100644 arch/mips/mach-bmips/dram.c
>> create mode 100644 board/comtrend/ar5387un/Kconfig
>> create mode 100644 board/comtrend/ar5387un/MAINTAINERS
>> create mode 100644 board/comtrend/ar5387un/Makefile
>> create mode 100644 board/comtrend/ar5387un/ar-5387un.c
>> create mode 100644 board/comtrend/vr3032u/Kconfig
>> create mode 100644 board/comtrend/vr3032u/MAINTAINERS
>> create mode 100644 board/comtrend/vr3032u/Makefile
>> create mode 100644 board/comtrend/vr3032u/vr-3032u.c
>> create mode 100644 board/huawei/hg556a/Kconfig
>> create mode 100644 board/huawei/hg556a/MAINTAINERS
>> create mode 100644 board/huawei/hg556a/Makefile
>> create mode 100644 board/huawei/hg556a/hg556a.c
>> create mode 100644 configs/comtrend_ar5387un_ram_defconfig
>> create mode 100644 configs/comtrend_vr3032u_ram_defconfig
>> create mode 100644 configs/huawei_hg556a_ram_defconfig
>> create mode 100644 drivers/cpu/bmips_cpu.c
>> create mode 100644 drivers/ram/bmips_ram.c
>> create mode 100644 include/configs/bmips_bcm63268.h
>> create mode 100644 include/configs/bmips_bcm6328.h
>> create mode 100644 include/configs/bmips_bcm6358.h
>> create mode 100644 include/configs/bmips_common.h
>> create mode 100644 include/configs/comtrend_ar5387un.h
>> create mode 100644 include/configs/comtrend_vr3032u.h
>> create mode 100644 include/configs/huawei_hg556a.h
>
> please split this into separate patches for BMIPS and one for each boards
Sure, I will do that :).
>
>>
>> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
>> index d97930e..c97ea41 100644
>> --- a/arch/mips/Kconfig
>> +++ b/arch/mips/Kconfig
>> @@ -75,6 +75,15 @@ config ARCH_ATH79
>> select OF_CONTROL
>> select DM
>>
>> +config ARCH_BMIPS
>> + bool "Support BMIPS SoCs"
>> + select OF_CONTROL
>> + select DM
>> + select CLK
>> + select CPU
>> + select RAM
>> + select SYSRESET
>> +
>> config MACH_PIC32
>> bool "Support Microchip PIC32"
>> select OF_CONTROL
>> @@ -123,6 +132,7 @@ source "board/micronas/vct/Kconfig"
>> source "board/pb1x00/Kconfig"
>> source "board/qemu-mips/Kconfig"
>> source "arch/mips/mach-ath79/Kconfig"
>> +source "arch/mips/mach-bmips/Kconfig"
>> source "arch/mips/mach-pic32/Kconfig"
>>
>> if MIPS
>> diff --git a/arch/mips/Makefile b/arch/mips/Makefile
>> index efe7e44..c30d4ef 100644
>> --- a/arch/mips/Makefile
>> +++ b/arch/mips/Makefile
>> @@ -15,6 +15,7 @@ libs-y += arch/mips/lib/
>>
>> machine-$(CONFIG_SOC_AU1X00) += au1x00
>> machine-$(CONFIG_ARCH_ATH79) += ath79
>> +machine-$(CONFIG_ARCH_BMIPS) += bmips
>> machine-$(CONFIG_MACH_PIC32) += pic32
>>
>> machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
>> diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
>> index 30fcc2b..4c02c48 100644
>> --- a/arch/mips/dts/Makefile
>> +++ b/arch/mips/dts/Makefile
>> @@ -8,6 +8,9 @@ dtb-$(CONFIG_TARGET_BOSTON) += img,boston.dtb
>> dtb-$(CONFIG_TARGET_MALTA) += mti,malta.dtb
>> dtb-$(CONFIG_TARGET_PIC32MZDASK) += pic32mzda_sk.dtb
>> dtb-$(CONFIG_TARGET_XILFPGA) += nexys4ddr.dtb
>> +dtb-$(CONFIG_BOARD_COMTREND_AR5387UN) += comtrend,ar-5387un.dtb
>> +dtb-$(CONFIG_BOARD_COMTREND_VR3032U) += comtrend,vr-3032u.dtb
>> +dtb-$(CONFIG_BOARD_HUAWEI_HG556A) += huawei,hg556a.dtb
>> dtb-$(CONFIG_BOARD_TPLINK_WDR4300) += tplink_wdr4300.dtb
>>
>> targets += $(dtb-y)
>> diff --git a/arch/mips/dts/brcm,bcm63268.dtsi b/arch/mips/dts/brcm,bcm63268.dtsi
>> new file mode 100644
>> index 0000000..d02472d
>> --- /dev/null
>> +++ b/arch/mips/dts/brcm,bcm63268.dtsi
>> @@ -0,0 +1,87 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include "skeleton.dtsi"
>> +
>> +/ {
>> + compatible = "brcm,bcm63268";
>> +
>> + cpus {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + u-boot,dm-pre-reloc;
>> +
>> + cpu at 0 {
>> + compatible = "brcm,bcm63268-cpu", "mips,mips4Kc";
>> + device_type = "cpu";
>> + reg = <0>;
>> + u-boot,dm-pre-reloc;
>> + };
>> +
>> + cpu at 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;
>> +
>> + periph_cntl: syscon at 10000000 {
>> + compatible = "syscon";
>> + reg = <0x10000000 0x14>;
>> + };
>> +
>> + reboot: syscon-reboot {
>> + compatible = "syscon-reboot";
>> + regmap = <&periph_cntl>;
>> + offset = <0x8>;
>> + mask = <0x1>;
>> + };
>> +
>> + uart0: serial at 10000180 {
>> + compatible = "brcm,bcm6345-uart";
>> + reg = <0x10000180 0x18>;
>> + clocks = <&periph_osc>;
>> +
>> + status = "disabled";
>> + };
>> +
>> + uart1: serial at 100001a0 {
>> + compatible = "brcm,bcm6345-uart";
>> + reg = <0x100001a0 0x18>;
>> + clocks = <&periph_osc>;
>> +
>> + status = "disabled";
>> + };
>> +
>> + memory-controller at 10003000 {
>> + compatible = "brcm,bcm6328-mc";
>> + reg = <0x10003000 0x1000>;
>> + u-boot,dm-pre-reloc;
>> + };
>> + };
>> +};
>> diff --git a/arch/mips/dts/brcm,bcm6328.dtsi b/arch/mips/dts/brcm,bcm6328.dtsi
>> new file mode 100644
>> index 0000000..f7f4793
>> --- /dev/null
>> +++ b/arch/mips/dts/brcm,bcm6328.dtsi
>> @@ -0,0 +1,87 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include "skeleton.dtsi"
>> +
>> +/ {
>> + compatible = "brcm,bcm6328";
>> +
>> + cpus {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + u-boot,dm-pre-reloc;
>> +
>> + cpu at 0 {
>> + compatible = "brcm,bcm6328-cpu", "mips,mips4Kc";
>> + device_type = "cpu";
>> + reg = <0>;
>> + u-boot,dm-pre-reloc;
>> + };
>> +
>> + cpu at 1 {
>> + compatible = "brcm,bcm6328-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;
>> +
>> + reset_cntl: syscon at 10000068 {
>> + compatible = "syscon";
>> + reg = <0x10000068 0x4>;
>> + };
>> +
>> + reboot: syscon-reboot {
>> + compatible = "syscon-reboot";
>> + regmap = <&reset_cntl>;
>> + offset = <0>;
>> + mask = <0x1>;
>> + };
>> +
>> + 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";
>> + };
>> +
>> + memory-controller at 10003000 {
>> + compatible = "brcm,bcm6328-mc";
>> + reg = <0x10003000 0x1000>;
>> + u-boot,dm-pre-reloc;
>> + };
>> + };
>> +};
>> diff --git a/arch/mips/dts/brcm,bcm6358.dtsi b/arch/mips/dts/brcm,bcm6358.dtsi
>> new file mode 100644
>> index 0000000..4b015d3
>> --- /dev/null
>> +++ b/arch/mips/dts/brcm,bcm6358.dtsi
>> @@ -0,0 +1,97 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include "skeleton.dtsi"
>> +
>> +/ {
>> + compatible = "brcm,bcm6358";
>> +
>> + cpus {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + u-boot,dm-pre-reloc;
>> +
>> + cpu at 0 {
>> + compatible = "brcm,bcm6358-cpu", "mips,mips4Kc";
>> + device_type = "cpu";
>> + reg = <0>;
>> + u-boot,dm-pre-reloc;
>> + };
>> +
>> + cpu at 1 {
>> + compatible = "brcm,bcm6358-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;
>> + };
>> + };
>> +
>> + pflash: nor at 1e000000 {
>> + compatible = "cfi-flash";
>> + reg = <0x1e000000 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;
>> +
>> + periph_cntl: syscon at fffe0000 {
>> + compatible = "syscon";
>> + reg = <0xfffe0000 0xc>;
>> + };
>> +
>> + reboot: syscon-reboot {
>> + compatible = "syscon-reboot";
>> + regmap = <&periph_cntl>;
>> + offset = <0x8>;
>> + mask = <0x1>;
>> + };
>> +
>> + uart0: serial at fffe0100 {
>> + compatible = "brcm,bcm6345-uart";
>> + reg = <0xfffe0100 0x18>;
>> + clocks = <&periph_osc>;
>> +
>> + status = "disabled";
>> + };
>> +
>> + uart1: serial at fffe0120 {
>> + compatible = "brcm,bcm6345-uart";
>> + reg = <0xfffe0120 0x18>;
>> + clocks = <&periph_osc>;
>> +
>> + status = "disabled";
>> + };
>> +
>> + memory-controller at fffe1200 {
>> + compatible = "brcm,bcm6358-mc";
>> + reg = <0xfffe1200 0x1000>;
>> + u-boot,dm-pre-reloc;
>> + };
>> + };
>> +};
>> diff --git a/arch/mips/dts/comtrend,ar-5387un.dts b/arch/mips/dts/comtrend,ar-5387un.dts
>> new file mode 100644
>> index 0000000..f9c4a1c
>> --- /dev/null
>> +++ b/arch/mips/dts/comtrend,ar-5387un.dts
>> @@ -0,0 +1,27 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "brcm,bcm6328.dtsi"
>> +
>> +/ {
>> + model = "Comtrend AR-5387un Board";
>> + compatible = "comtrend,ar5387-un", "brcm,bcm6328";
>> +
>> + aliases {
>> + serial0 = &uart0;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial0:115200n8";
>> + };
>> +};
>> +
>> +&uart0 {
>> + u-boot,dm-pre-reloc;
>> + status = "okay";
>> +};
>> diff --git a/arch/mips/dts/comtrend,vr-3032u.dts b/arch/mips/dts/comtrend,vr-3032u.dts
>> new file mode 100644
>> index 0000000..c0fdb28
>> --- /dev/null
>> +++ b/arch/mips/dts/comtrend,vr-3032u.dts
>> @@ -0,0 +1,27 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "brcm,bcm63268.dtsi"
>> +
>> +/ {
>> + model = "Comtrend VR-3032u Board";
>> + compatible = "comtrend,vr-3032u", "brcm,bcm63268";
>> +
>> + aliases {
>> + serial0 = &uart0;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial0:115200n8";
>> + };
>> +};
>> +
>> +&uart0 {
>> + u-boot,dm-pre-reloc;
>> + status = "okay";
>> +};
>> diff --git a/arch/mips/dts/huawei,hg556a.dts b/arch/mips/dts/huawei,hg556a.dts
>> new file mode 100644
>> index 0000000..08ef2c1
>> --- /dev/null
>> +++ b/arch/mips/dts/huawei,hg556a.dts
>> @@ -0,0 +1,31 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "brcm,bcm6358.dtsi"
>> +
>> +/ {
>> + model = "Huawei HG556a Board";
>> + compatible = "huawei,hg556a", "brcm,bcm6358";
>> +
>> + aliases {
>> + serial0 = &uart0;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial0:115200n8";
>> + };
>> +};
>> +
>> +&pflash {
>> + status = "okay";
>> +};
>> +
>> +&uart0 {
>> + u-boot,dm-pre-reloc;
>> + status = "okay";
>> +};
>> diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig
>> new file mode 100644
>> index 0000000..2996087
>> --- /dev/null
>> +++ b/arch/mips/mach-bmips/Kconfig
>> @@ -0,0 +1,86 @@
>> +menu "Broadcom MIPS platforms"
>> + depends on ARCH_BMIPS
>> +
>> +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"
>> +
>> +config SOC_BMIPS_BCM6328
>> + bool "BMIPS BCM6328 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 BCM6328 family including BCM63281 and BCM63283.
>> +
>> +config SOC_BMIPS_BCM6358
>> + bool "BMIPS BCM6358 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 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
>> + prompt "Board select"
>> +
>> +config BOARD_COMTREND_AR5387UN
>> + bool "Comtrend AR-5387un board"
>> + depends on SOC_BMIPS_BCM6328
>> + select BMIPS_SUPPORTS_BOOT_RAM
>> +
>> +config BOARD_HUAWEI_HG556A
>> + bool "Huawei HG556a board"
>> + depends on SOC_BMIPS_BCM6358
>> + select BMIPS_SUPPORTS_BOOT_RAM
>> +
>> +config BOARD_COMTREND_VR3032U
>> + bool "Comtrend VR-3032u board"
>> + depends on SOC_BMIPS_BCM63268
>> + select BMIPS_SUPPORTS_BOOT_RAM
>> +
>> +endchoice
>> +
>> +choice
>> + prompt "Boot mode"
>> +
>> +config BMIPS_BOOT_RAM
>> + bool "RAM boot"
>> + depends on BMIPS_SUPPORTS_BOOT_RAM
>> + help
>> + This builds an image that is linked to a RAM address. Caches are
>> + disabled and environment is built in.
>> +
>> +endchoice
>> +
>> +config BMIPS_SUPPORTS_BOOT_RAM
>> + bool
>> +
>> +source "board/comtrend/ar5387un/Kconfig"
>> +source "board/huawei/hg556a/Kconfig"
>> +source "board/comtrend/vr3032u/Kconfig"
>> +
>> +endmenu
>> diff --git a/arch/mips/mach-bmips/Makefile b/arch/mips/mach-bmips/Makefile
>> new file mode 100644
>> index 0000000..f432acc
>> --- /dev/null
>> +++ b/arch/mips/mach-bmips/Makefile
>> @@ -0,0 +1,5 @@
>> +#
>> +# SPDX-License-Identifier: GPL-2.0+
>> +#
>> +
>> +obj-y += dram.o
>> diff --git a/arch/mips/mach-bmips/dram.c b/arch/mips/mach-bmips/dram.c
>> new file mode 100644
>> index 0000000..931aa5d
>> --- /dev/null
>> +++ b/arch/mips/mach-bmips/dram.c
>> @@ -0,0 +1,37 @@
>> +/*
>> + * Copyright (C) 2016 Daniel Schwierzeck <daniel.schwierzeck at gmail.com>
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <common.h>
>> +#include <ram.h>
>> +#include <dm.h>
>> +
>> +DECLARE_GLOBAL_DATA_PTR;
>> +
>> +int initdram(void)
>> +{
>> + struct ram_info ram;
>> + struct udevice *dev;
>> + int err;
>> +
>> + err = uclass_get_device(UCLASS_RAM, 0, &dev);
>> + if (err) {
>> + debug("DRAM init failed: %d\n", err);
>> + return 0;
>> + }
>> +
>> + err = ram_get_info(dev, &ram);
>> + if (err) {
>> + debug("Cannot get DRAM size: %d\n", err);
>> + return 0;
>> + }
>> +
>> + debug("SDRAM base=%zx, size=%x\n", ram.base, ram.size);
>> +
>> + gd->ram_size = ram.size;
>> +
>> + return 0;
>> +}
>> diff --git a/board/comtrend/ar5387un/Kconfig b/board/comtrend/ar5387un/Kconfig
>> new file mode 100644
>> index 0000000..32a69da
>> --- /dev/null
>> +++ b/board/comtrend/ar5387un/Kconfig
>> @@ -0,0 +1,24 @@
>> +if BOARD_COMTREND_AR5387UN
>> +
>> +config SYS_BOARD
>> + default "ar5387un"
>> +
>> +config SYS_VENDOR
>> + default "comtrend"
>> +
>> +config SYS_CONFIG_NAME
>> + default "comtrend_ar5387un"
>> +
>> +config SYS_DCACHE_SIZE
>> + default 32768
>> +
>> +config SYS_DCACHE_LINE_SIZE
>> + default 16
>> +
>> +config SYS_ICACHE_SIZE
>> + default 32768
>> +
>> +config SYS_ICACHE_LINE_SIZE
>> + default 16
>> +
>> +endif
>> diff --git a/board/comtrend/ar5387un/MAINTAINERS b/board/comtrend/ar5387un/MAINTAINERS
>> new file mode 100644
>> index 0000000..bcaac64
>> --- /dev/null
>> +++ b/board/comtrend/ar5387un/MAINTAINERS
>> @@ -0,0 +1,6 @@
>> +COMTREND AR-5387UN BOARD
>> +M: Álvaro Fernández Rojas <noltari at gmail.com>
>> +S: Maintained
>> +F: board/comtrend/ar-5387un/
>> +F: include/configs/comtrend_ar5387un.h
>> +F: configs/comtrend_ar5387un_ram_defconfig
>> diff --git a/board/comtrend/ar5387un/Makefile b/board/comtrend/ar5387un/Makefile
>> new file mode 100644
>> index 0000000..9de1cd2
>> --- /dev/null
>> +++ b/board/comtrend/ar5387un/Makefile
>> @@ -0,0 +1,5 @@
>> +#
>> +# SPDX-License-Identifier: GPL-2.0+
>> +#
>> +
>> +obj-y += ar-5387un.o
>> diff --git a/board/comtrend/ar5387un/ar-5387un.c b/board/comtrend/ar5387un/ar-5387un.c
>> new file mode 100644
>> index 0000000..429117a
>> --- /dev/null
>> +++ b/board/comtrend/ar5387un/ar-5387un.c
>> @@ -0,0 +1,22 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <common.h>
>> +#include <debug_uart.h>
>> +#include <asm/io.h>
>> +#include <asm/addrspace.h>
>> +#include <asm/types.h>
>> +
>> +#ifdef CONFIG_BOARD_EARLY_INIT_F
>> +int board_early_init_f(void)
>> +{
>> +# ifdef CONFIG_DEBUG_UART
>> + debug_uart_init();
>> +# endif
>> +
>> + return 0;
>> +}
>> +#endif
>> diff --git a/board/comtrend/vr3032u/Kconfig b/board/comtrend/vr3032u/Kconfig
>> new file mode 100644
>> index 0000000..1cba219
>> --- /dev/null
>> +++ b/board/comtrend/vr3032u/Kconfig
>> @@ -0,0 +1,24 @@
>> +if BOARD_COMTREND_VR3032U
>> +
>> +config SYS_BOARD
>> + default "vr3032u"
>> +
>> +config SYS_VENDOR
>> + default "comtrend"
>> +
>> +config SYS_CONFIG_NAME
>> + default "comtrend_vr3032u"
>> +
>> +config SYS_DCACHE_SIZE
>> + default 32768
>> +
>> +config SYS_DCACHE_LINE_SIZE
>> + default 16
>> +
>> +config SYS_ICACHE_SIZE
>> + default 65536
>> +
>> +config SYS_ICACHE_LINE_SIZE
>> + default 16
>
> could you try to use the auto-detection of cache sizes?
Sure, I will try.
>
>> +
>> +endif
>> diff --git a/board/comtrend/vr3032u/MAINTAINERS b/board/comtrend/vr3032u/MAINTAINERS
>> new file mode 100644
>> index 0000000..833d7da
>> --- /dev/null
>> +++ b/board/comtrend/vr3032u/MAINTAINERS
>> @@ -0,0 +1,6 @@
>> +COMTREND VR-3032U BOARD
>> +M: Álvaro Fernández Rojas <noltari at gmail.com>
>> +S: Maintained
>> +F: board/comtrend/vr-3032u/
>> +F: include/configs/comtrend_vr-3032u.h
>> +F: configs/comtrend_vr3032u_ram_defconfig
>> diff --git a/board/comtrend/vr3032u/Makefile b/board/comtrend/vr3032u/Makefile
>> new file mode 100644
>> index 0000000..9e62031
>> --- /dev/null
>> +++ b/board/comtrend/vr3032u/Makefile
>> @@ -0,0 +1,5 @@
>> +#
>> +# SPDX-License-Identifier: GPL-2.0+
>> +#
>> +
>> +obj-y += vr-3032u.o
>> diff --git a/board/comtrend/vr3032u/vr-3032u.c b/board/comtrend/vr3032u/vr-3032u.c
>> new file mode 100644
>> index 0000000..429117a
>> --- /dev/null
>> +++ b/board/comtrend/vr3032u/vr-3032u.c
>> @@ -0,0 +1,22 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <common.h>
>> +#include <debug_uart.h>
>> +#include <asm/io.h>
>> +#include <asm/addrspace.h>
>> +#include <asm/types.h>
>> +
>> +#ifdef CONFIG_BOARD_EARLY_INIT_F
>> +int board_early_init_f(void)
>> +{
>> +# ifdef CONFIG_DEBUG_UART
>> + debug_uart_init();
>> +# endif
>> +
>> + return 0;
>> +}
>> +#endif
>
> I think we should move this to MIPS start.S to support this for all MIPS
> boards in a generic way. Puttings following code between
> 'setup_stack_gd' and the jump to 'board_init_f' should work:
>
> #ifdef CONFIG_DEBUG_UART
> PTR_LA t9, debug_uart_init
> jalr t9
> nop
> #endif
Sounds good to me.
>
>> diff --git a/board/huawei/hg556a/Kconfig b/board/huawei/hg556a/Kconfig
>> new file mode 100644
>> index 0000000..59f65b1
>> --- /dev/null
>> +++ b/board/huawei/hg556a/Kconfig
>> @@ -0,0 +1,24 @@
>> +if BOARD_HUAWEI_HG556A
>> +
>> +config SYS_BOARD
>> + default "hg556a"
>> +
>> +config SYS_VENDOR
>> + default "huawei"
>> +
>> +config SYS_CONFIG_NAME
>> + default "huawei_hg556a"
>> +
>> +config SYS_DCACHE_SIZE
>> + default 16384
>> +
>> +config SYS_DCACHE_LINE_SIZE
>> + default 16
>> +
>> +config SYS_ICACHE_SIZE
>> + default 16384
>> +
>> +config SYS_ICACHE_LINE_SIZE
>> + default 16
>> +
>> +endif
>> diff --git a/board/huawei/hg556a/MAINTAINERS b/board/huawei/hg556a/MAINTAINERS
>> new file mode 100644
>> index 0000000..3ead7e4
>> --- /dev/null
>> +++ b/board/huawei/hg556a/MAINTAINERS
>> @@ -0,0 +1,6 @@
>> +HUAWEI HG556A BOARD
>> +M: Álvaro Fernández Rojas <noltari at gmail.com>
>> +S: Maintained
>> +F: board/huawei/hg556a/
>> +F: include/configs/huawei_hg556a.h
>> +F: configs/huawei_hg556a_ram_defconfig
>> diff --git a/board/huawei/hg556a/Makefile b/board/huawei/hg556a/Makefile
>> new file mode 100644
>> index 0000000..ace0ed3
>> --- /dev/null
>> +++ b/board/huawei/hg556a/Makefile
>> @@ -0,0 +1,5 @@
>> +#
>> +# SPDX-License-Identifier: GPL-2.0+
>> +#
>> +
>> +obj-y += hg556a.o
>> diff --git a/board/huawei/hg556a/hg556a.c b/board/huawei/hg556a/hg556a.c
>> new file mode 100644
>> index 0000000..429117a
>> --- /dev/null
>> +++ b/board/huawei/hg556a/hg556a.c
>> @@ -0,0 +1,22 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <common.h>
>> +#include <debug_uart.h>
>> +#include <asm/io.h>
>> +#include <asm/addrspace.h>
>> +#include <asm/types.h>
>> +
>> +#ifdef CONFIG_BOARD_EARLY_INIT_F
>> +int board_early_init_f(void)
>> +{
>> +# ifdef CONFIG_DEBUG_UART
>> + debug_uart_init();
>> +# endif
>> +
>> + return 0;
>> +}
>> +#endif
>> diff --git a/configs/comtrend_ar5387un_ram_defconfig b/configs/comtrend_ar5387un_ram_defconfig
>> new file mode 100644
>> index 0000000..cd99ca3
>> --- /dev/null
>> +++ b/configs/comtrend_ar5387un_ram_defconfig
>> @@ -0,0 +1,47 @@
>> +CONFIG_ARCH_BMIPS=y
>> +CONFIG_BCM6345_SERIAL=y
>> +CONFIG_BOARD_COMTREND_AR5387UN=y
>> +# CONFIG_CMD_BOOTD is not set
>> +CONFIG_CMD_BOOTM=y
>> +CONFIG_CMD_CPU=y
>> +# CONFIG_CMD_CRC32 is not set
>> +# CONFIG_CMD_EDITENV is not set
>> +# CONFIG_CMD_ELF is not set
>> +# CONFIG_CMD_ENV_EXISTS is not set
>> +# CONFIG_CMD_EXPORTENV is not set
>> +# CONFIG_CMD_FLASH is not set
>> +# CONFIG_CMD_FPGA is not set
>> +# CONFIG_CMD_GPIO is not set
>> +# CONFIG_CMD_IMLS is not set
>> +# CONFIG_CMD_IMPORTENV is not set
>> +CONFIG_CMD_LICENSE=y
>> +CONFIG_CMD_LOADB=y
>> +# CONFIG_CMD_LOADS is not set
>> +CONFIG_CMD_MEMINFO=y
>> +# CONFIG_CMD_MISC is not set
>> +# CONFIG_CMD_NET is not set
>> +# CONFIG_CMD_NFS is not set
>> +# CONFIG_CMD_SAVEENV is not set
>> +# CONFIG_CMD_XIMG is not set
>> +CONFIG_DEBUG_UART=y
>> +CONFIG_DEBUG_UART_BCM6345=y
>> +CONFIG_DEBUG_UART_BASE=0xb0000100
>> +CONFIG_DEBUG_UART_CLOCK=25000000
>> +CONFIG_DEBUG_UART_ANNOUNCE=y
>
> debug UART should be disabled in the default config
Right, I will disable it.
>
>> +CONFIG_DEFAULT_DEVICE_TREE="comtrend,ar-5387un"
>> +CONFIG_DISPLAY_CPUINFO=y
>> +# CONFIG_DM_DEVICE_REMOVE is not set
>> +CONFIG_DM_GPIO=y
>> +CONFIG_DM_SERIAL=y
>> +CONFIG_HUSH_PARSER=y
>> +CONFIG_MIPS=y
>> +# CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
>> +# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
>> +CONFIG_MIPS_BOOT_FDT=y
>> +CONFIG_OF_STDOUT_VIA_ALIAS=y
>> +CONFIG_SOC_BMIPS_BCM6328=y
>> +# CONFIG_SPL_SERIAL_PRESENT is not set
>> +# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
>> +CONFIG_SYS_NO_FLASH=y
>> +CONFIG_SYS_PROMPT="AR-5387un # "
>> +CONFIG_SYS_TEXT_BASE=0x80010000
>> diff --git a/configs/comtrend_vr3032u_ram_defconfig b/configs/comtrend_vr3032u_ram_defconfig
>> new file mode 100644
>> index 0000000..d8b1d38
>> --- /dev/null
>> +++ b/configs/comtrend_vr3032u_ram_defconfig
>> @@ -0,0 +1,47 @@
>> +CONFIG_ARCH_BMIPS=y
>> +CONFIG_BCM6345_SERIAL=y
>> +CONFIG_BOARD_COMTREND_VR3032U=y
>> +# CONFIG_CMD_BOOTD is not set
>> +CONFIG_CMD_BOOTM=y
>> +CONFIG_CMD_CPU=y
>> +# CONFIG_CMD_CRC32 is not set
>> +# CONFIG_CMD_EDITENV is not set
>> +# CONFIG_CMD_ELF is not set
>> +# CONFIG_CMD_ENV_EXISTS is not set
>> +# CONFIG_CMD_EXPORTENV is not set
>> +# CONFIG_CMD_FLASH is not set
>> +# CONFIG_CMD_FPGA is not set
>> +# CONFIG_CMD_GPIO is not set
>> +# CONFIG_CMD_IMLS is not set
>> +# CONFIG_CMD_IMPORTENV is not set
>> +CONFIG_CMD_LICENSE=y
>> +CONFIG_CMD_LOADB=y
>> +# CONFIG_CMD_LOADS is not set
>> +CONFIG_CMD_MEMINFO=y
>> +# CONFIG_CMD_MISC is not set
>> +# CONFIG_CMD_NET is not set
>> +# CONFIG_CMD_NFS is not set
>> +# CONFIG_CMD_SAVEENV is not set
>> +# CONFIG_CMD_XIMG is not set
>> +CONFIG_DEBUG_UART=y
>> +CONFIG_DEBUG_UART_BCM6345=y
>> +CONFIG_DEBUG_UART_BASE=0xb0000100
>> +CONFIG_DEBUG_UART_CLOCK=25000000
>> +CONFIG_DEBUG_UART_ANNOUNCE=y
>> +CONFIG_DEFAULT_DEVICE_TREE="comtrend,vr-3032u"
>> +CONFIG_DISPLAY_CPUINFO=y
>> +# CONFIG_DM_DEVICE_REMOVE is not set
>> +CONFIG_DM_GPIO=y
>> +CONFIG_DM_SERIAL=y
>> +CONFIG_HUSH_PARSER=y
>> +CONFIG_MIPS=y
>> +# CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
>> +# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
>> +CONFIG_MIPS_BOOT_FDT=y
>> +CONFIG_OF_STDOUT_VIA_ALIAS=y
>> +CONFIG_SOC_BMIPS_BCM63268=y
>> +# CONFIG_SPL_SERIAL_PRESENT is not set
>> +# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
>> +CONFIG_SYS_NO_FLASH=y
>> +CONFIG_SYS_PROMPT="VR-3032u # "
>> +CONFIG_SYS_TEXT_BASE=0x80010000
>> diff --git a/configs/huawei_hg556a_ram_defconfig b/configs/huawei_hg556a_ram_defconfig
>> new file mode 100644
>> index 0000000..9994a4d
>> --- /dev/null
>> +++ b/configs/huawei_hg556a_ram_defconfig
>> @@ -0,0 +1,47 @@
>> +CONFIG_ARCH_BMIPS=y
>> +CONFIG_BCM6345_SERIAL=y
>> +CONFIG_BOARD_HUAWEI_HG556A=y
>> +# CONFIG_CMD_BOOTD is not set
>> +CONFIG_CMD_BOOTM=y
>> +CONFIG_CMD_CPU=y
>> +# CONFIG_CMD_CRC32 is not set
>> +# CONFIG_CMD_EDITENV is not set
>> +# CONFIG_CMD_ELF is not set
>> +# CONFIG_CMD_ENV_EXISTS is not set
>> +# CONFIG_CMD_EXPORTENV is not set
>> +# CONFIG_CMD_FLASH is not set
>> +# CONFIG_CMD_FPGA is not set
>> +# CONFIG_CMD_GPIO is not set
>> +# CONFIG_CMD_IMLS is not set
>> +# CONFIG_CMD_IMPORTENV is not set
>> +CONFIG_CMD_LICENSE=y
>> +CONFIG_CMD_LOADB=y
>> +# CONFIG_CMD_LOADS is not set
>> +CONFIG_CMD_MEMINFO=y
>> +# CONFIG_CMD_MISC is not set
>> +# CONFIG_CMD_NET is not set
>> +# CONFIG_CMD_NFS is not set
>> +# CONFIG_CMD_SAVEENV is not set
>> +# CONFIG_CMD_XIMG is not set
>> +CONFIG_DEBUG_UART=y
>> +CONFIG_DEBUG_UART_BCM6345=y
>> +CONFIG_DEBUG_UART_BASE=0xfffe0100
>> +CONFIG_DEBUG_UART_CLOCK=25000000
>> +CONFIG_DEBUG_UART_ANNOUNCE=y
>> +CONFIG_DEFAULT_DEVICE_TREE="huawei,hg556a"
>> +CONFIG_DISPLAY_CPUINFO=y
>> +# CONFIG_DM_DEVICE_REMOVE is not set
>> +CONFIG_DM_GPIO=y
>> +CONFIG_DM_SERIAL=y
>> +CONFIG_HUSH_PARSER=y
>> +CONFIG_MIPS=y
>> +# CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
>> +# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
>> +CONFIG_MIPS_BOOT_FDT=y
>> +CONFIG_OF_STDOUT_VIA_ALIAS=y
>> +CONFIG_SOC_BMIPS_BCM6358=y
>> +# CONFIG_SPL_SERIAL_PRESENT is not set
>> +# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
>> +CONFIG_SYS_NO_FLASH=y
>> +CONFIG_SYS_PROMPT="HG556a # "
>> +CONFIG_SYS_TEXT_BASE=0x80010000
>> diff --git a/drivers/cpu/Makefile b/drivers/cpu/Makefile
>> index 8710160..db515f6 100644
>> --- a/drivers/cpu/Makefile
>> +++ b/drivers/cpu/Makefile
>> @@ -5,3 +5,5 @@
>> # SPDX-License-Identifier: GPL-2.0+
>> #
>> obj-$(CONFIG_CPU) += cpu-uclass.o
>> +
>> +obj-$(CONFIG_ARCH_BMIPS) += bmips_cpu.o
>> diff --git a/drivers/cpu/bmips_cpu.c b/drivers/cpu/bmips_cpu.c
>> new file mode 100644
>> index 0000000..8ca4899
>> --- /dev/null
>> +++ b/drivers/cpu/bmips_cpu.c
>> @@ -0,0 +1,268 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * Derived from linux/arch/mips/bcm63xx/cpu.c:
>> + * Copyright (C) 2008 Maxime Bizon <mbizon at freebox.fr>
>> + * Copyright (C) 2009 Florian Fainelli <florian at openwrt.org>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <common.h>
>> +#include <cpu.h>
>> +#include <dm.h>
>> +#include <errno.h>
>> +#include <asm/io.h>
>> +
>> +DECLARE_GLOBAL_DATA_PTR;
>> +
>> +#define REV_CHIPID_SHIFT 16
>> +#define REV_CHIPID_MASK (0xffff << REV_CHIPID_SHIFT)
>> +#define REV_REVID_SHIFT 0
>> +#define REV_REVID_MASK (0xff << REV_REVID_SHIFT)
>> +
>> +#define REG_BCM6328_OTP 0x62c
>> +#define BCM6328_TP1_DISABLED BIT(9)
>> +
>> +#define REG_BCM6328_MISC_STRAPBUS 0x1a40
>> +#define STRAPBUS_6328_FCVO_SHIFT 7
>> +#define STRAPBUS_6328_FCVO_MASK (0x1f << STRAPBUS_6328_FCVO_SHIFT)
>> +
>> +#define REG_BCM6358_DDR_DMIPSPLLCFG 0x12b8
>> +#define DMIPSPLLCFG_6358_M1_SHIFT 0
>> +#define DMIPSPLLCFG_6358_M1_MASK (0xff << DMIPSPLLCFG_6358_M1_SHIFT)
>> +#define DMIPSPLLCFG_6358_N1_SHIFT 23
>> +#define DMIPSPLLCFG_6358_N1_MASK (0x3f << DMIPSPLLCFG_6358_N1_SHIFT)
>> +#define DMIPSPLLCFG_6358_N2_SHIFT 29
>> +#define DMIPSPLLCFG_6358_N2_MASK (0x7 << DMIPSPLLCFG_6358_N2_SHIFT)
>> +
>> +#define REG_BCM63268_MISC_STRAPBUS 0x1814
>> +#define STRAPBUS_63268_FCVO_SHIFT 21
>> +#define STRAPBUS_63268_FCVO_MASK (0xf << STRAPBUS_63268_FCVO_SHIFT)
>> +
>> +struct bmips_cpu_priv;
>> +
>> +struct bmips_cpu_hw {
>> + void __iomem *regs;
>> + ulong (*get_cpu_freq)(const struct bmips_cpu_hw *);
>> + int (*get_cpu_count)(const struct bmips_cpu_hw *);
>> +};
>> +
>> +struct bmips_cpu_priv {
>> + const struct bmips_cpu_hw *hw;
>> +};
>> +
>> +/* Specific CPU Ops */
>> +static ulong bcm6328_get_cpu_freq(const struct bmips_cpu_hw *hw)
>> +{
>> + unsigned int mips_pll_fcvo;
>> +
>> + mips_pll_fcvo = __raw_readl(hw->regs + REG_BCM6328_MISC_STRAPBUS);
>> + mips_pll_fcvo = (mips_pll_fcvo & STRAPBUS_6328_FCVO_MASK)
>> + >> STRAPBUS_6328_FCVO_SHIFT;
>> +
>> + switch (mips_pll_fcvo) {
>> + case 0x12:
>> + case 0x14:
>> + case 0x19:
>> + return 160000000;
>> + case 0x1c:
>> + return 192000000;
>> + case 0x13:
>> + case 0x15:
>> + return 200000000;
>> + case 0x1a:
>> + return 384000000;
>> + case 0x16:
>> + return 400000000;
>> + default:
>> + return 320000000;
>> + }
>> +}
>> +
>> +static ulong bcm6358_get_cpu_freq(const struct bmips_cpu_hw *hw)
>> +{
>> + unsigned int tmp, n1, n2, m1;
>> +
>> + tmp = __raw_readl(hw->regs + REG_BCM6358_DDR_DMIPSPLLCFG);
>> + n1 = (tmp & DMIPSPLLCFG_6358_N1_MASK) >> DMIPSPLLCFG_6358_N1_SHIFT;
>> + n2 = (tmp & DMIPSPLLCFG_6358_N2_MASK) >> DMIPSPLLCFG_6358_N2_SHIFT;
>> + m1 = (tmp & DMIPSPLLCFG_6358_M1_MASK) >> DMIPSPLLCFG_6358_M1_SHIFT;
>> +
>> + return (16 * 1000000 * n1 * n2) / m1;
>> +}
>> +
>> +static ulong bcm63268_get_cpu_freq(const struct bmips_cpu_hw *hw)
>> +{
>> + unsigned mips_pll_fcvo;
>> +
>> + mips_pll_fcvo = __raw_readl(hw->regs + REG_BCM63268_MISC_STRAPBUS);
>> + mips_pll_fcvo = (mips_pll_fcvo & STRAPBUS_63268_FCVO_MASK)
>> + >> STRAPBUS_63268_FCVO_SHIFT;
>> +
>> + switch (mips_pll_fcvo) {
>> + case 0x3:
>> + case 0xe:
>> + return 320000000;
>> + case 0xa:
>> + return 333000000;
>> + case 0x2:
>> + case 0xb:
>> + case 0xf:
>> + return 400000000;
>> + default:
>> + return 0;
>> + }
>> +}
>> +
>> +static int bcm6328_get_cpu_count(const struct bmips_cpu_hw *hw)
>> +{
>> + u32 val = __raw_readl(hw->regs + REG_BCM6328_OTP);
>> +
>> + if (val & BCM6328_TP1_DISABLED)
>> + return 1;
>> + else
>> + return 2;
>> +}
>> +
>> +static int bcm6358_get_cpu_count(const struct bmips_cpu_hw *hw)
>> +{
>> + return 2;
>> +}
>> +
>> +static const struct bmips_cpu_hw bmips_cpu_bcm6328 = {
>> + .regs = (void __iomem *)0xb0000000,
>> + .get_cpu_freq = bcm6328_get_cpu_freq,
>> + .get_cpu_count = bcm6328_get_cpu_count,
>> +};
>> +
>> +static const struct bmips_cpu_hw bmips_cpu_bcm6358 = {
>> + .regs = (void __iomem *)0xfffe0000,
>> + .get_cpu_freq = bcm6358_get_cpu_freq,
>> + .get_cpu_count = bcm6358_get_cpu_count,
>> +};
>> +
>> +static const struct bmips_cpu_hw bmips_cpu_bcm63268 = {
>> + .regs = (void __iomem *)0xb0000000,
>> + .get_cpu_freq = bcm63268_get_cpu_freq,
>> + .get_cpu_count = bcm6358_get_cpu_count,
>> +};
>
> can't you derive CPU count and register base from DT?
The thing is that some BCM6328 have their second core disabled and others don't, and the proper way to do it is to detect it by checking it at runtime.
Appart from that I remember having some problems when trying to probe the CPU register base from DT since its the same address for every CPU, but I will try that again.
>
>> +
>> +/* Generic CPU Ops */
>> +static int bmips_cpu_get_desc(struct udevice *dev, char *buf, int size)
>> +{
>> + struct bmips_cpu_priv *priv = dev_get_priv(dev);
>> + const struct bmips_cpu_hw *hw = priv->hw;
>> + u32 cpu_revid;
>> + u16 cpu_id;
>> + u8 cpu_rev;
>> +
>> + cpu_revid = __raw_readl(hw->regs);
>> + cpu_id = (cpu_revid & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT;
>> + cpu_rev = (cpu_revid & REV_REVID_MASK) >> REV_REVID_SHIFT;
>> +
>> + snprintf(buf, size, "BCM%04X%02X", cpu_id, cpu_rev);
>> +
>> + return 0;
>> +}
>> +
>> +static int bmips_cpu_get_info(struct udevice *dev, struct cpu_info *info)
>> +{
>> + struct bmips_cpu_priv *priv = dev_get_priv(dev);
>> + const struct bmips_cpu_hw *hw = priv->hw;
>> +
>> + info->cpu_freq = hw->get_cpu_freq(hw);
>> + info->features = BIT(CPU_FEAT_L1_CACHE);
>> + info->features |= BIT(CPU_FEAT_MMU);
>> + info->features |= BIT(CPU_FEAT_DEVICE_ID);
>> +
>> + return 0;
>> +}
>> +
>> +static int bmips_cpu_get_count(struct udevice *dev)
>> +{
>> + struct bmips_cpu_priv *priv = dev_get_priv(dev);
>> + const struct bmips_cpu_hw *hw = priv->hw;
>> +
>> + return hw->get_cpu_count(hw);
>> +}
>> +
>> +static int bmips_cpu_get_vendor(struct udevice *dev, char *buf, int size)
>> +{
>> + snprintf(buf, size, "Broadcom");
>> +
>> + return 0;
>> +}
>> +
>> +static const struct cpu_ops bmips_cpu_ops = {
>> + .get_desc = bmips_cpu_get_desc,
>> + .get_info = bmips_cpu_get_info,
>> + .get_count = bmips_cpu_get_count,
>> + .get_vendor = bmips_cpu_get_vendor,
>> +};
>> +
>> +/* BMIPS CPU driver */
>> +int bmips_cpu_bind(struct udevice *dev)
>> +{
>> + struct cpu_platdata *plat = dev_get_parent_platdata(dev);
>> + struct bmips_cpu_priv *priv = dev_get_priv(dev);
>> + const struct bmips_cpu_hw *hw =
>> + (const struct bmips_cpu_hw *)dev_get_driver_data(dev);
>> +
>> + priv->hw = hw;
>> +
>> + plat->cpu_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
>> + "reg", -1);
>> + plat->device_id = read_c0_prid();
>> +
>> + return 0;
>> +}
>> +
>> +static const struct udevice_id bmips_cpu_ids[] = {
>> + {
>> + .compatible = "brcm,bcm6328-cpu",
>> + .data = (ulong)&bmips_cpu_bcm6328,
>> + }, {
>> + .compatible = "brcm,bcm6358-cpu",
>> + .data = (ulong)&bmips_cpu_bcm6358,
>> + }, {
>> + .compatible = "brcm,bcm63268-cpu",
>> + .data = (ulong)&bmips_cpu_bcm63268,
>> + },
>> + { /* sentinel */ }
>> +};
>> +
>> +U_BOOT_DRIVER(bmips_cpu_drv) = {
>> + .name = "bmips_cpu",
>> + .id = UCLASS_CPU,
>> + .of_match = bmips_cpu_ids,
>> + .bind = bmips_cpu_bind,
>> + .ops = &bmips_cpu_ops,
>> +};
>> +
>> +#ifdef CONFIG_DISPLAY_CPUINFO
>> +int print_cpuinfo(void)
>> +{
>> + struct cpu_info cpu;
>> + struct udevice *dev;
>> + int err;
>> + char desc[100];
>> +
>> + err = uclass_get_device(UCLASS_CPU, 0, &dev);
>> + if (err)
>> + return 0;
>> +
>> + err = cpu_get_info(dev, &cpu);
>> + if (err)
>> + return 0;
>> +
>> + err = cpu_get_desc(dev, desc, sizeof(desc));
>> + if (err)
>> + return 0;
>> +
>> + printf("Chip ID: %s, MIPS: ", desc);
>> + print_freq(cpu.cpu_freq, "\n");
>> +
>> + return 0;
>> +}
>> +#endif
>> diff --git a/drivers/ram/Makefile b/drivers/ram/Makefile
>> index 0e10249..818dd9f 100644
>> --- a/drivers/ram/Makefile
>> +++ b/drivers/ram/Makefile
>> @@ -6,3 +6,5 @@
>> #
>> obj-$(CONFIG_RAM) += ram-uclass.o
>> obj-$(CONFIG_SANDBOX) += sandbox_ram.o
>> +
>> +obj-$(CONFIG_ARCH_BMIPS) += bmips_ram.o
>> diff --git a/drivers/ram/bmips_ram.c b/drivers/ram/bmips_ram.c
>> new file mode 100644
>> index 0000000..7c7da88
>> --- /dev/null
>> +++ b/drivers/ram/bmips_ram.c
>> @@ -0,0 +1,126 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * Derived from linux/arch/mips/bcm63xx/cpu.c:
>> + * Copyright (C) 2008 Maxime Bizon <mbizon at freebox.fr>
>> + * Copyright (C) 2009 Florian Fainelli <florian at openwrt.org>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <errno.h>
>> +#include <common.h>
>> +#include <dm/device.h>
>> +#include <ram.h>
>> +#include <asm/io.h>
>> +
>> +#define MEMC_CFG_REG 0x4
>> +#define MEMC_CFG_32B_SHIFT 1
>> +#define MEMC_CFG_32B_MASK (1 << MEMC_CFG_32B_SHIFT)
>> +#define MEMC_CFG_COL_SHIFT 3
>> +#define MEMC_CFG_COL_MASK (0x3 << MEMC_CFG_COL_SHIFT)
>> +#define MEMC_CFG_ROW_SHIFT 6
>> +#define MEMC_CFG_ROW_MASK (0x3 << MEMC_CFG_ROW_SHIFT)
>> +
>> +#define DDR_CSEND_REG 0x8
>> +
>> +struct bmips_ram_priv;
>> +
>> +struct bmips_ram_hw {
>> + ulong (*get_ram_size)(struct bmips_ram_priv *);
>> +};
>> +
>> +struct bmips_ram_priv {
>> + void __iomem *regs;
>> + const struct bmips_ram_hw *hw;
>> +};
>> +
>> +static ulong bcm6328_get_ram_size(struct bmips_ram_priv *priv)
>> +{
>> + return __raw_readl(priv->regs + DDR_CSEND_REG) << 24;
>> +}
>> +
>> +static ulong bcm6358_get_ram_size(struct bmips_ram_priv *priv)
>> +{
>> + unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
>> + u32 val;
>> +
>> + val = __raw_readl(priv->regs + MEMC_CFG_REG);
>> + rows = (val & MEMC_CFG_ROW_MASK) >> MEMC_CFG_ROW_SHIFT;
>> + cols = (val & MEMC_CFG_COL_MASK) >> MEMC_CFG_COL_SHIFT;
>> + is_32bits = (val & MEMC_CFG_32B_MASK) ? 0 : 1;
>> + banks = 2;
>> +
>> + /* 0 => 11 address bits ... 2 => 13 address bits */
>> + rows += 11;
>> +
>> + /* 0 => 8 address bits ... 2 => 10 address bits */
>> + cols += 8;
>> +
>> + return 1 << (cols + rows + (is_32bits + 1) + banks);
>> +}
>> +
>> +static int bmips_ram_get_info(struct udevice *dev, struct ram_info *info)
>> +{
>> + struct bmips_ram_priv *priv = dev_get_priv(dev);
>> + const struct bmips_ram_hw *hw = priv->hw;
>> +
>> + info->base = 0x80000000;
>> + info->size = hw->get_ram_size(priv);
>> +
>> + return 0;
>> +}
>> +
>> +static const struct ram_ops bmips_ram_ops = {
>> + .get_info = bmips_ram_get_info,
>> +};
>> +
>> +static const struct bmips_ram_hw bmips_ram_bcm6328 = {
>> + .get_ram_size = bcm6328_get_ram_size,
>> +};
>> +
>> +static const struct bmips_ram_hw bmips_ram_bcm6358 = {
>> + .get_ram_size = bcm6358_get_ram_size,
>> +};
>> +
>> +static const struct udevice_id bmips_ram_of_match[] = {
>> + {
>> + .compatible = "brcm,bcm6328-mc",
>> + .data = (ulong)&bmips_ram_bcm6328,
>> + }, {
>> + .compatible = "brcm,bcm6358-mc",
>> + .data = (ulong)&bmips_ram_bcm6358,
>> + }, {
>> + .compatible = "brcm,bcm63268-mc",
>> + .data = (ulong)&bmips_ram_bcm6328,
>> + },
>> + { /* sentinel */ }
>> +};
>> +
>> +static int bmips_ram_probe(struct udevice *dev)
>> +{
>> + struct bmips_ram_priv *priv = dev_get_priv(dev);
>> + const struct bmips_ram_hw *hw =
>> + (const struct bmips_ram_hw *)dev_get_driver_data(dev);
>> + fdt_addr_t addr;
>> + fdt_size_t size;
>> +
>> + addr = dev_get_addr_size_index(dev, 0, &size);
>> + if (addr == FDT_ADDR_T_NONE)
>> + return -EINVAL;
>> +
>> + priv->regs = ioremap(addr, size);
>> + priv->hw = hw;
>> +
>> + return 0;
>> +}
>> +
>> +U_BOOT_DRIVER(bmips_ram) = {
>> + .name = "bmips-mc",
>> + .id = UCLASS_RAM,
>> + .of_match = bmips_ram_of_match,
>> + .probe = bmips_ram_probe,
>> + .priv_auto_alloc_size = sizeof(struct bmips_ram_priv),
>> + .ops = &bmips_ram_ops,
>> + .flags = DM_FLAG_PRE_RELOC,
>> +};
>> diff --git a/include/configs/bmips_bcm63268.h b/include/configs/bmips_bcm63268.h
>> new file mode 100644
>> index 0000000..91f42e9
>> --- /dev/null
>> +++ b/include/configs/bmips_bcm63268.h
>> @@ -0,0 +1,25 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at 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_SYS_INIT_SP_OFFSET 0x2000
>> +#define CONFIG_SKIP_LOWLEVEL_INIT
>> +#endif
>> +
>> +#endif /* __CONFIG_BMIPS_BCM63268_H */
>> diff --git a/include/configs/bmips_bcm6328.h b/include/configs/bmips_bcm6328.h
>> new file mode 100644
>> index 0000000..a5c9a2e
>> --- /dev/null
>> +++ b/include/configs/bmips_bcm6328.h
>> @@ -0,0 +1,25 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#ifndef __CONFIG_BMIPS_BCM6328_H
>> +#define __CONFIG_BMIPS_BCM6328_H
>> +
>> +/* CPU */
>> +#define CONFIG_SYS_MIPS_TIMER_FREQ 160000000
>> +
>> +/* 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_SYS_INIT_SP_OFFSET 0x2000
>> +#define CONFIG_SKIP_LOWLEVEL_INIT
>> +#endif
>> +
>> +#endif /* __CONFIG_BMIPS_BCM6328_H */
>> diff --git a/include/configs/bmips_bcm6358.h b/include/configs/bmips_bcm6358.h
>> new file mode 100644
>> index 0000000..efac11d
>> --- /dev/null
>> +++ b/include/configs/bmips_bcm6358.h
>> @@ -0,0 +1,27 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#ifndef __CONFIG_BMIPS_BCM6358_H
>> +#define __CONFIG_BMIPS_BCM6358_H
>> +
>> +/* CPU */
>> +#define CONFIG_SYS_MIPS_TIMER_FREQ 150000000
>> +
>> +/* 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_SYS_INIT_SP_OFFSET 0x2000
>> +#define CONFIG_SKIP_LOWLEVEL_INIT
>> +#endif
>> +
>> +#define CONFIG_SYS_MAX_FLASH_BANKS 2
>> +
>> +#endif /* __CONFIG_BMIPS_BCM6358_H */
>> diff --git a/include/configs/bmips_common.h b/include/configs/bmips_common.h
>> new file mode 100644
>> index 0000000..0640d21
>> --- /dev/null
>> +++ b/include/configs/bmips_common.h
>> @@ -0,0 +1,26 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#ifndef __CONFIG_BMIPS_COMMON_H
>> +#define __CONFIG_BMIPS_COMMON_H
>> +
>> +/* RAM */
>> +#define CONFIG_SYS_MEMTEST_START 0xa0000000
>> +#define CONFIG_SYS_MEMTEST_END 0xa2000000
>> +
>> +/* Serial */
>> +#define CONFIG_BAUDRATE 115200
>> +
>> +/* Memory usage */
>> +#define CONFIG_SYS_MAXARGS 24
>> +#define CONFIG_SYS_MALLOC_LEN (1024 * 1024)
>> +#define CONFIG_SYS_BOOTPARAMS_LEN (128 * 1024)
>> +#define CONFIG_SYS_CBSIZE 512
>> +
>> +/* U-Boot */
>> +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
>> +
>> +#endif /* __CONFIG_BMIPS_COMMON_H */
>> diff --git a/include/configs/comtrend_ar5387un.h b/include/configs/comtrend_ar5387un.h
>> new file mode 100644
>> index 0000000..8803506
>> --- /dev/null
>> +++ b/include/configs/comtrend_ar5387un.h
>> @@ -0,0 +1,15 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <configs/bmips_common.h>
>> +#include <configs/bmips_bcm6328.h>
>> +
>> +#define CONFIG_ENV_IS_NOWHERE
>> +#define CONFIG_ENV_SIZE (8 * 1024)
>> +
>> +#define CONFIG_SYS_LONGHELP
>> +#define CONFIG_AUTO_COMPLETE
>> +#define CONFIG_CMDLINE_EDITING
>> diff --git a/include/configs/comtrend_vr3032u.h b/include/configs/comtrend_vr3032u.h
>> new file mode 100644
>> index 0000000..066b4c7
>> --- /dev/null
>> +++ b/include/configs/comtrend_vr3032u.h
>> @@ -0,0 +1,15 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <configs/bmips_common.h>
>> +#include <configs/bmips_bcm63268.h>
>> +
>> +#define CONFIG_ENV_IS_NOWHERE
>> +#define CONFIG_ENV_SIZE (8 * 1024)
>> +
>> +#define CONFIG_SYS_LONGHELP
>> +#define CONFIG_AUTO_COMPLETE
>> +#define CONFIG_CMDLINE_EDITING
>> diff --git a/include/configs/huawei_hg556a.h b/include/configs/huawei_hg556a.h
>> new file mode 100644
>> index 0000000..4856ee7
>> --- /dev/null
>> +++ b/include/configs/huawei_hg556a.h
>> @@ -0,0 +1,15 @@
>> +/*
>> + * Copyright (C) 2017 Álvaro Fernández Rojas <noltari at gmail.com>
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#include <configs/bmips_common.h>
>> +#include <configs/bmips_bcm6358.h>
>> +
>> +#define CONFIG_ENV_IS_NOWHERE
>> +#define CONFIG_ENV_SIZE (8 * 1024)
>> +
>> +#define CONFIG_SYS_LONGHELP
>> +#define CONFIG_AUTO_COMPLETE
>> +#define CONFIG_CMDLINE_EDITING
>>
>
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