Hi Anup,
On Fri, 2019-01-18 at 11:19 +0000, Anup Patel wrote:
> This patch adds SiFive FU540 board support. For now, only
> SiFive serial, SiFive PRCI, and Cadance MACB drivers are
> only enabled. The SiFive FU540 defconfig by default builds
> U-Boot for S-Mode because U-Boot on SiFive FU540 will run
> in S-Mode as payload of BBL or OpenSBI.
>
> Signed-off-by: Atish Patra <atish.pa...@wdc.com>
> Signed-off-by: Anup Patel <anup.pa...@wdc.com>
> Reviewed-by: Alexander Graf <ag...@suse.de>
> ---
> arch/riscv/Kconfig | 4 ++++
> board/sifive/fu540/Kconfig | 42
> +++++++++++++++++++++++++++++++++
> board/sifive/fu540/MAINTAINERS | 9 +++++++
> board/sifive/fu540/Makefile | 5 ++++
> board/sifive/fu540/fu540.c | 17 ++++++++++++++
> configs/sifive_fu540_defconfig | 11 +++++++++
> include/configs/sifive-fu540.h | 43
> ++++++++++++++++++++++++++++++++++
> 7 files changed, 131 insertions(+)
> create mode 100644 board/sifive/fu540/Kconfig
> create mode 100644 board/sifive/fu540/MAINTAINERS
> create mode 100644 board/sifive/fu540/Makefile
> create mode 100644 board/sifive/fu540/fu540.c
> create mode 100644 configs/sifive_fu540_defconfig
> create mode 100644 include/configs/sifive-fu540.h
>
Reviewed-by: Lukas Auer <lukas.a...@aisec.fraunhofer.de>
Can you add a short README on how to flash and use U-Boot on the HiFive
Unleashed?
Please also see one more comment below.
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 6879047ff7..36512a8995 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -14,11 +14,15 @@ config TARGET_AX25_AE350
> config TARGET_QEMU_VIRT
> bool "Support QEMU Virt Board"
>
> +config TARGET_SIFIVE_FU540
> + bool "Support SiFive FU540 Board"
> +
> endchoice
>
> # board-specific options below
> source "board/AndesTech/ax25-ae350/Kconfig"
> source "board/emulation/qemu-riscv/Kconfig"
> +source "board/sifive/fu540/Kconfig"
>
> # platform-specific options below
> source "arch/riscv/cpu/ax25/Kconfig"
> diff --git a/board/sifive/fu540/Kconfig b/board/sifive/fu540/Kconfig
> new file mode 100644
> index 0000000000..6be3d88144
> --- /dev/null
> +++ b/board/sifive/fu540/Kconfig
> @@ -0,0 +1,42 @@
> +if TARGET_SIFIVE_FU540
> +
> +config SYS_BOARD
> + default "fu540"
> +
> +config SYS_VENDOR
> + default "sifive"
> +
> +config SYS_CPU
> + default "generic"
> +
> +config SYS_CONFIG_NAME
> + default "sifive-fu540"
> +
> +config SYS_TEXT_BASE
> + default 0x80000000 if !RISCV_SMODE
> + default 0x80200000 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 CLK_SIFIVE
> + imply CLK_SIFIVE_FU540_PRCI
> + imply DOS_PARTITION
> + imply EFI_PARTITION
> + imply IP_DYN
> + imply ISO_PARTITION
> + imply MACB
> + imply MII
> + imply NET_RANDOM_ETHADDR
> + imply PHY_LIB
> + imply PHY_MSCC
> + imply SIFIVE_SERIAL
> +
> +endif
> diff --git a/board/sifive/fu540/MAINTAINERS
> b/board/sifive/fu540/MAINTAINERS
> new file mode 100644
> index 0000000000..702d803ad8
> --- /dev/null
> +++ b/board/sifive/fu540/MAINTAINERS
> @@ -0,0 +1,9 @@
> +SiFive FU540 BOARD
> +M: Paul Walmsley <paul.walms...@sifive.com>
> +M: Palmer Dabbelt <pal...@sifive.com>
> +M: Anup Patel <anup.pa...@wdc.com>
> +M: Atish Patra <atish.pa...@wdc.com>
> +S: Maintained
> +F: board/sifive/fu540/
> +F: include/configs/sifive-fu540.h
> +F: configs/sifive_fu540_defconfig
> diff --git a/board/sifive/fu540/Makefile
> b/board/sifive/fu540/Makefile
> new file mode 100644
> index 0000000000..6e1862c475
> --- /dev/null
> +++ b/board/sifive/fu540/Makefile
> @@ -0,0 +1,5 @@
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +# Copyright (c) 2019 Western Digital Corporation or its affiliates.
> +
> +obj-y += fu540.o
> diff --git a/board/sifive/fu540/fu540.c b/board/sifive/fu540/fu540.c
> new file mode 100644
> index 0000000000..5adc4a3d4a
> --- /dev/null
> +++ b/board/sifive/fu540/fu540.c
> @@ -0,0 +1,17 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (c) 2019 Western Digital Corporation or its affiliates.
> + *
> + * Authors:
> + * Anup Patel <anup.pa...@wdc.com>
> + */
> +
> +#include <common.h>
> +#include <dm.h>
> +
> +int board_init(void)
> +{
> + /* For now nothing to do here. */
> +
> + return 0;
> +}
> diff --git a/configs/sifive_fu540_defconfig
> b/configs/sifive_fu540_defconfig
> new file mode 100644
> index 0000000000..2f8cca9de0
> --- /dev/null
> +++ b/configs/sifive_fu540_defconfig
> @@ -0,0 +1,11 @@
> +CONFIG_RISCV=y
> +CONFIG_TARGET_SIFIVE_FU540=y
> +CONFIG_RISCV_SMODE=y
> +CONFIG_ARCH_RV64I=y
> +CONFIG_DISTRO_DEFAULTS=y
> +CONFIG_NR_DRAM_BANKS=1
> +CONFIG_FIT=y
> +CONFIG_DISPLAY_CPUINFO=y
> +CONFIG_DISPLAY_BOARDINFO=y
> +CONFIG_CMD_MII=y
> +CONFIG_OF_PRIOR_STAGE=y
> diff --git a/include/configs/sifive-fu540.h b/include/configs/sifive-
> fu540.h
> new file mode 100644
> index 0000000000..7007b5f6af
> --- /dev/null
> +++ b/include/configs/sifive-fu540.h
> @@ -0,0 +1,43 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Copyright (c) 2019 Western Digital Corporation or its affiliates.
> + *
> + * Authors:
> + * Anup Patel <anup.pa...@wdc.com>
> + */
> +
> +#ifndef __CONFIG_H
> +#define __CONFIG_H
> +
> +#include <linux/sizes.h>
> +
> +#define CONFIG_SYS_SDRAM_BASE 0x80000000
> +#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_16M
> +
> +#define CONFIG_STANDALONE_LOAD_ADDR 0x80200000
> +
> +/* Environment options */
> +#define CONFIG_ENV_SIZE SZ_4K
> +
> +#define BOOT_TARGET_DEVICES(func) \
> + func(DHCP, dhcp, na)
> +
> +#include <config_distro_bootcmd.h>
> +
> +#define CONFIG_EXTRA_ENV_SETTINGS \
> + "fdt_high=0xffffffffffffffff\0" \
> + "initrd_high=0xffffffffffffffff\0" \
> + "kernel_addr_r=0x80600000\0" \
> + "fdt_addr_r=0x82200000\0" \
> + "scriptaddr=0x82300000\0" \
> + "pxefile_addr_r=0x82400000\0" \
> + "ramdisk_addr_r=0x82500000\0" \
> + BOOTENV
I think it would be helpful to define the kernel command line using the
bootargs environment variable here. For testing I used
"bootargs=console=ttySI0 earlyprintk root=/dev/mmcblk0p2 rootwait"
locally.
Thanks,
Lukas
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