From: Kongou Hikari hikari@nucleisys.com

--- arch/riscv/Kconfig | 4 + arch/riscv/dts/Makefile | 1 + arch/riscv/dts/nuclei-hbird.dts | 132 ++++++++++++++++++++++++++++++++ board/nuclei/hbird/Kconfig | 53 +++++++++++++ board/nuclei/hbird/MAINTAINERS | 6 ++ board/nuclei/hbird/Makefile | 5 ++ board/nuclei/hbird/hbird.c | 27 +++++++ configs/nuclei_hbird_defconfig | 20 +++++ include/configs/nuclei-hbird.h | 46 +++++++++++ 9 files changed, 294 insertions(+) create mode 100644 arch/riscv/dts/nuclei-hbird.dts create mode 100644 board/nuclei/hbird/Kconfig create mode 100644 board/nuclei/hbird/MAINTAINERS create mode 100644 board/nuclei/hbird/Makefile create mode 100644 board/nuclei/hbird/hbird.c create mode 100644 configs/nuclei_hbird_defconfig create mode 100644 include/configs/nuclei-hbird.h

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index fb5fe5afff..b2807c33d7 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -11,6 +11,9 @@ choice config TARGET_AX25_AE350 bool "Support ax25-ae350"

+config TARGET_NUCLEI_HBIRD + bool "Support Nuclei HBird" + config TARGET_MICROCHIP_ICICLE bool "Support Microchip PolarFire-SoC Icicle Board"

@@ -53,6 +56,7 @@ source "board/AndesTech/ax25-ae350/Kconfig" source "board/emulation/qemu-riscv/Kconfig" source "board/microchip/mpfs_icicle/Kconfig" source "board/sifive/fu540/Kconfig" +source "board/nuclei/hbird/Kconfig"

# platform-specific options below source "arch/riscv/cpu/ax25/Kconfig" diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile index 4f30e6936f..da86846f11 100644 --- a/arch/riscv/dts/Makefile +++ b/arch/riscv/dts/Makefile @@ -2,6 +2,7 @@

dtb-$(CONFIG_TARGET_AX25_AE350) += ae350_32.dtb ae350_64.dtb dtb-$(CONFIG_TARGET_SIFIVE_FU540) += hifive-unleashed-a00.dtb +dtb-$(CONFIG_TARGET_NUCLEI_HBIRD) += nuclei-hbird.dtb

targets += $(dtb-y)

diff --git a/arch/riscv/dts/nuclei-hbird.dts b/arch/riscv/dts/nuclei-hbird.dts new file mode 100644 index 0000000000..39d76b63ba --- /dev/null +++ b/arch/riscv/dts/nuclei-hbird.dts @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* Copyright (c) 22020 Nuclei System Technologies */ + +/* Clock frequency (in Hz) of the PCB crystal for rtcclk */ +#define RTCCLK_FREQ 32768 + +/dts-v1/; + +/ { + #address-cells = <2>; + #size-cells = <2>; + compatible = "nuclei,ux600"; + model = "nuclei,ux600"; + + chosen { + bootargs = "earlycon=sbi"; + stdout-path = "serial0"; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + timebase-frequency = <RTCCLK_FREQ>; + cpu0: cpu@0 { + device_type = "cpu"; + reg = <0>; + status = "okay"; + compatible = "riscv"; + riscv,isa = "rv64imac"; + mmu-type = "riscv,sv39"; + clock-frequency = <8000000>; + cpu0_intc: interrupt-controller { + #interrupt-cells = <1>; + interrupt-controller; + compatible = "riscv,cpu-intc"; + }; + }; + }; + + memory@A0000000 { + device_type = "memory"; + reg = <0x0 0xA0000000 0x0 0x10000000>; + }; + + soc { + #address-cells = <2>; + #size-cells = <2>; + compatible = "nuclei,ux600", "simple-bus"; + ranges; + }; + + hfclk: hfclk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <8000000>; + clock-output-names = "hfclk"; + }; + + console { + u-boot,dm-pre-reloc; + compatible = "sbi,console"; + }; + + plic0: interrupt-controller@8000000 { + #interrupt-cells = <1>; + compatible = "riscv,plic0"; + interrupt-controller; + riscv,ndev = <53>; + interrupts-extended = + <&cpu0_intc 11 &cpu0_intc 9>; + reg = <0x0 0x8000000 0x0 0x4000000>; + }; + + uart0: serial@10013000 { + compatible = "sifive,uart0"; + reg = <0x0 0x10013000 0x0 0x1000>; + interrupt-parent = <&plic0>; + interrupts = <4>; + status = "disabled"; + }; + + uart1: serial@10023000 { + compatible = "sifive,uart0"; + reg = <0x0 0x10023000 0x0 0x1000>; + interrupt-parent = <&plic0>; + interrupts = <5>; + status = "okay"; + }; + + qspi0: spi@10014000 { + compatible = "sifive,spi0"; + reg = <0x0 0x10014000 0x0 0x1000>; + #interrupt-parent = <&plic0>; + #interrupts = <51>; + clocks = <&hfclk>; + num-cs = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + flash@0 { + compatible = "gd25q32", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <1000000>; + // m25p,fast-read; + #spi-tx-bus-width = <1>; + #spi-rx-bus-width = <1>; + }; + }; + + qspi2: spi@10034000 { + compatible = "sifive,spi0"; + reg = <0x0 0x10034000 0x0 0x1000>; + #interrupt-parent = <&plic0>; + #interrupts = <6>; + clocks = <&hfclk>; + num-cs = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + mmc@0 { + compatible = "mmc-spi-slot"; + reg = <0>; + spi-max-frequency = <8000000>; + voltage-ranges = <3300 3300>; + disable-wp; + }; + }; + + +}; diff --git a/board/nuclei/hbird/Kconfig b/board/nuclei/hbird/Kconfig new file mode 100644 index 0000000000..697182ba02 --- /dev/null +++ b/board/nuclei/hbird/Kconfig @@ -0,0 +1,53 @@ +if TARGET_NUCLEI_HBIRD + +config SYS_BOARD + default "hbird" + +config SYS_VENDOR + default "nuclei" + +config SYS_CPU + default "generic" + +config SYS_CONFIG_NAME + default "nuclei-hbird" + +config SYS_TEXT_BASE + default 0xA0000000 if !RISCV_SMODE + default 0xA0200000 if RISCV_SMODE + +config BOARD_SPECIFIC_OPTIONS # dummy + def_bool y + select GENERIC_RISCV + imply CMD_DHCP + imply CMD_EXT2 + imply CMD_EXT4 + imply CMD_FAT + imply CMD_FS_GENERIC + imply CMD_NET + imply CMD_PING + imply CMD_SF + imply CLK_SIFIVE + imply CLK_SIFIVE_FU540_PRCI + imply DOS_PARTITION + imply IP_DYN + imply MACB + imply MII + imply NET_RANDOM_ETHADDR + imply PHY_LIB + imply PHY_MSCC + imply SIFIVE_SERIAL + imply SPI + imply SPI_SIFIVE + imply SPI_FLASH + imply SPI_FLASH_ISSI + imply MMC + imply MMC_SPI + imply MMC_BROKEN_CD + imply CMD_MMC + imply DM_GPIO + imply SIFIVE_GPIO + imply CMD_GPIO + imply SMP + +endif diff --git a/board/nuclei/hbird/MAINTAINERS b/board/nuclei/hbird/MAINTAINERS new file mode 100644 index 0000000000..c88e1286f0 --- /dev/null +++ b/board/nuclei/hbird/MAINTAINERS @@ -0,0 +1,6 @@ +Nuclei HBird Platform +M: Ruigang Wan rgwan@nucleisys.com +S: Maintained +F: board/nuclei/hbird/ +F: include/configs/nuclei-hbird.h +F: configs/hbird_defconfig diff --git a/board/nuclei/hbird/Makefile b/board/nuclei/hbird/Makefile new file mode 100644 index 0000000000..aa76c44da5 --- /dev/null +++ b/board/nuclei/hbird/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2020 Nuclei System Technologies + +obj-y += hbird.o diff --git a/board/nuclei/hbird/hbird.c b/board/nuclei/hbird/hbird.c new file mode 100644 index 0000000000..7c8250b474 --- /dev/null +++ b/board/nuclei/hbird/hbird.c @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2019 Nuclei System Technologies + * + * Authors: + * Ruigang Wan rgwan@nucleisys.com + */ + +#include <common.h> +#include <dm.h> +#include <linux/delay.h> +#include <linux/io.h> + + +int board_init(void) +{ + /* Set Pinmux to enable QSPI2 for SD boot */ + writel (0x01, (void *)0x10034000); + writel (0xec000000, (void *)0x10012008); + writel (0x10000000, (void *)0x10012004); + writel (0xfc030000, (void *)0x10012038); + writel (0x00, (void *)0x10034000); /* NUSPI Prescaler = 4 */ + __asm__ __volatile__ ("fence w,o" : : : "memory"); + + printf ("Board: Initialized\n"); + return 0; +} diff --git a/configs/nuclei_hbird_defconfig b/configs/nuclei_hbird_defconfig new file mode 100644 index 0000000000..2c4607aaae --- /dev/null +++ b/configs/nuclei_hbird_defconfig @@ -0,0 +1,20 @@ +CONFIG_RISCV=y +CONFIG_ENV_SIZE=0x20000 +CONFIG_NR_DRAM_BANKS=1 +CONFIG_TARGET_NUCLEI_HBIRD=y +CONFIG_ARCH_RV64I=y +CONFIG_RISCV_SMODE=y +CONFIG_DISTRO_DEFAULTS=y +CONFIG_FIT=y +CONFIG_MISC_INIT_R=n +CONFIG_RISCV_SBI_CONSOLE=y +CONFIG_SBI_V01=y +CONFIG_DISPLAY_CPUINFO=y +CONFIG_DISPLAY_BOARDINFO=y +CONFIG_OF_BOARD_FIXUP=y +CONFIG_DEFAULT_DEVICE_TREE="nuclei-hbird" +CONFIG_SYS_RELOC_GD_ENV_ADDR=y +CONFIG_DM_MTD=y +CONFIG_CMD_SPI=y +CONFIG_FAT_WRITE=y + diff --git a/include/configs/nuclei-hbird.h b/include/configs/nuclei-hbird.h new file mode 100644 index 0000000000..51134adaf9 --- /dev/null +++ b/include/configs/nuclei-hbird.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (c) 2020 Nuclei System Technology + * + * Authors: + * Ruigang Wan rgwan@nucleisys.com + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <linux/sizes.h> + +#define CONFIG_SYS_SDRAM_BASE 0xA0000000 +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_2M) + +#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_2M) + +#define CONFIG_SYS_MALLOC_LEN SZ_8M + +#define CONFIG_SYS_BOOTM_LEN SZ_64M + +#define CONFIG_STANDALONE_LOAD_ADDR 0xA0200000 + +/* Environment options */ + +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 0) + +#include <config_distro_bootcmd.h> + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "fdt_high=0xffffffffffffffff\0" \ + "initrd_high=0xffffffffffffffff\0" \ + "kernel_addr_r=0xA4000000\0" \ + "fdt_addr_r=0xA8000000\0" \ + "scriptaddr=0xA8100000\0" \ + "pxefile_addr_r=0xA8200000\0" \ + "ramdisk_addr_r=0xA8300000\0" \ + BOOTENV + +#define CONFIG_PREBOOT \ + "setenv fdt_addr ${fdtcontroladdr};" \ + "fdt addr ${fdtcontroladdr};" + +#endif /* __CONFIG_H */