[U-Boot] [PATCH v2] riscv:Add Microchip MPFS Icicle board support
Padmarao Begari
padmarao.b at gmail.com
Fri May 10 06:21:31 UTC 2019
Hi Bin,
On Wed, May 8, 2019 at 7:20 PM Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Padmarao,
>
> On Thu, May 2, 2019 at 2:28 PM Padmarao Begari
> <padmarao.begari at microchip.com> wrote:
> >
> > This patch adds Microchip MPFS Icicle board support.
> > For now, NS16550 serial driver is only enabled.
> > The Microchip MPFS Icicle defconfig by default builds
> > U-Boot for M-Mode with SMP support.
> >
> > Signed-off-by: Padmarao Begari <padmarao.begari at microchip.com>
> >
> > Changes in v2
>
> Please move the changelog below ---, otherwise it will show up in the
> commit message.
>
> Ok
> Also please add a space after "riscv:" in the commit title.
>
> Ok
> > - Fix some typos
> > - Rename target board to TARGET_MICROCHIP_ICICLE
> > - select CONFIG_BOARD_EARLY_INIT_F in BOARD_SPECIFIC_OPTIONS
> > - Remove #ifdef CONFIG_BOARD_EARLY_INIT_F
> > ---
> > arch/riscv/Kconfig | 4 ++
> > board/microchip/mpfs_icicle/Kconfig | 21 +++++++++++
> > board/microchip/mpfs_icicle/MAINTAINERS | 7 ++++
> > board/microchip/mpfs_icicle/Makefile | 7 ++++
> > board/microchip/mpfs_icicle/mpfs_icicle.c | 30 +++++++++++++++
> > configs/microchip_mpfs_icicle_defconfig | 15 ++++++++
> > include/configs/microchip_mpfs_icicle.h | 63
> +++++++++++++++++++++++++++++++
> > 7 files changed, 147 insertions(+)
> > create mode 100644 board/microchip/mpfs_icicle/Kconfig
> > create mode 100644 board/microchip/mpfs_icicle/MAINTAINERS
> > create mode 100644 board/microchip/mpfs_icicle/Makefile
> > create mode 100644 board/microchip/mpfs_icicle/mpfs_icicle.c
> > create mode 100644 configs/microchip_mpfs_icicle_defconfig
> > create mode 100644 include/configs/microchip_mpfs_icicle.h
> >
> > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> > index ae8ff7b..d83b260 100644
> > --- a/arch/riscv/Kconfig
> > +++ b/arch/riscv/Kconfig
> > @@ -11,6 +11,9 @@ choice
> > config TARGET_AX25_AE350
> > bool "Support ax25-ae350"
> >
> > +config TARGET_MICROCHIP_ICICLE
> > + bool "Support Microchip PolarFire-SoC Icicle Board"
> > +
> > config TARGET_QEMU_VIRT
> > bool "Support QEMU Virt Board"
> >
> > @@ -22,6 +25,7 @@ endchoice
> > # board-specific options below
> > source "board/AndesTech/ax25-ae350/Kconfig"
> > source "board/emulation/qemu-riscv/Kconfig"
> > +source "board/microchip/mpfs_icicle/Kconfig"
> > source "board/sifive/fu540/Kconfig"
> >
> > # platform-specific options below
> > diff --git a/board/microchip/mpfs_icicle/Kconfig
> b/board/microchip/mpfs_icicle/Kconfig
> > new file mode 100644
> > index 0000000..9cfa83c
> > --- /dev/null
> > +++ b/board/microchip/mpfs_icicle/Kconfig
> > @@ -0,0 +1,21 @@
> > +if TARGET_MICROCHIP_ICICLE
> > +
> > +config SYS_BOARD
> > + default "mpfs_icicle"
> > +
> > +config SYS_VENDOR
> > + default "microchip"
> > +
> > +config SYS_CPU
> > + default "generic"
> > +
> > +config SYS_CONFIG_NAME
> > + default "microchip_mpfs_icicle"
> > +
> > +config BOARD_SPECIFIC_OPTIONS # dummy
> > + def_bool y
> > + select GENERIC_RISCV
> > + imply SMP
> > + imply BOARD_EARLY_INIT_F
>
> I think this should be "select BOARD_EARLY_INIT_F"
>
> Ok, I will choose "select BOARD_EARLY_INIT_F"
> > +
> > +endif
> > diff --git a/board/microchip/mpfs_icicle/MAINTAINERS
> b/board/microchip/mpfs_icicle/MAINTAINERS
> > new file mode 100644
> > index 0000000..9987efe
> > --- /dev/null
> > +++ b/board/microchip/mpfs_icicle/MAINTAINERS
> > @@ -0,0 +1,7 @@
> > +Microchip MPFS icicle
> > +M: Padmarao Begari <padmarao.begari at microchip.com>
> > +M: Cyril Jean <cyril.jean at microchip.com>
> > +S: Maintained
> > +F: board/microchip/mpfs-icicle/
>
> should be: mpfs_icicle
>
> Ok
> > +F: include/configs/microchip-mpfs-icicle.h
>
> should be: microchip_mpfs_icicle.h
>
> Ok
> > +F: configs/microchip-mpfs-icicle_defconfig
>
> should be: microchip_mpfs_icicle_defconfig
>
> Ok
> > diff --git a/board/microchip/mpfs_icicle/Makefile
> b/board/microchip/mpfs_icicle/Makefile
> > new file mode 100644
> > index 0000000..72b0410
> > --- /dev/null
> > +++ b/board/microchip/mpfs_icicle/Makefile
> > @@ -0,0 +1,7 @@
> > +# SPDX-License-Identifier: GPL-2.0+
> > +#
> > +# Copyright (C) 2019 Microchip Technology Inc.
> > +# Padmarao Begari <padmarao.begari at microchip.com>
> > +#
> > +
> > +obj-y += mpfs_icicle.o
> > diff --git a/board/microchip/mpfs_icicle/mpfs_icicle.c
> b/board/microchip/mpfs_icicle/mpfs_icicle.c
> > new file mode 100644
> > index 0000000..0ef2431
> > --- /dev/null
> > +++ b/board/microchip/mpfs_icicle/mpfs_icicle.c
> > @@ -0,0 +1,30 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright (C) 2019 Microchip Technology Inc.
> > + * Padmarao Begari <padmarao.begari at microchip.com>
> > + */
> > +
> > +#include <common.h>
> > +#include <dm.h>
> > +#include <asm/io.h>
> > +
> > +#define MPFS_SYSREG_SOFT_RESET ((unsigned int *)0x20002088)
> > +
> > +int board_init(void)
> > +{
> > + /* For now nothing to do here. */
> > +
> > + return 0;
> > +}
> > +
> > +int board_early_init_f(void)
> > +{
> > + unsigned int val;
> > +
> > + /* Reset uart peripheral */
> > + val = readl(MPFS_SYSREG_SOFT_RESET);
> > + val = (val & ~(1u << 5u));
> > + writel(val, MPFS_SYSREG_SOFT_RESET);
> > +
> > + return 0;
> > +}
> > diff --git a/configs/microchip_mpfs_icicle_defconfig
> b/configs/microchip_mpfs_icicle_defconfig
> > new file mode 100644
> > index 0000000..7073196
> > --- /dev/null
> > +++ b/configs/microchip_mpfs_icicle_defconfig
> > @@ -0,0 +1,15 @@
> > +CONFIG_RISCV=y
> > +CONFIG_SYS_TEXT_BASE=0x80000000
> > +CONFIG_ARCH_RV64I=y
> > +CONFIG_NR_CPUS=5
> > +CONFIG_TARGET_MICROCHIP_ICICLE=y
> > +CONFIG_BOOTDELAY=3
> > +CONFIG_DISTRO_DEFAULTS=y
> > +CONFIG_SYS_PROMPT="RISC-V # "
> > +CONFIG_FIT=y
> > +CONFIG_DM=y
>
> This is not necessary as it is already in arch/Kconfig
>
> Ok
> > +CONFIG_BAUDRATE=57600
> > +CONFIG_DM_SERIAL=y
>
> This is not necessary too.
>
> Ok
> > +CONFIG_SYS_NS16550=y
> > +CONFIG_NR_DRAM_BANKS=1
> > +CONFIG_OF_PRIOR_STAGE=y
>
> So to avoid these unnecessary stuff in defconfig, you can do:
>
> ok
> make microchip_mpfs_icicle_defconfig
> make savedefconfig
>
> then copy the defconfig file to configs/microchip_mpfs_icicle_defconfig
>
> ok
Thanks for your Review
Regards
Padmarao
> > diff --git a/include/configs/microchip_mpfs_icicle.h
> b/include/configs/microchip_mpfs_icicle.h
> > new file mode 100644
> > index 0000000..82c7fbb
> > --- /dev/null
> > +++ b/include/configs/microchip_mpfs_icicle.h
> > @@ -0,0 +1,63 @@
> > +/* SPDX-License-Identifier: GPL-2.0+ */
> > +/*
> > + * Copyright (C) 2019 Microchip Technology Inc.
> > + * Padmarao Begari <padmarao.begari at microchip.com>
> > + */
> > +
> > +#ifndef __CONFIG_H
> > +#define __CONFIG_H
> > +
> > +/*
> > + * CPU and Board Configuration Options
> > + */
> > +#define CONFIG_BOOTP_SEND_HOSTNAME
> > +
> > +/*
> > + * Miscellaneous configurable options
> > + */
> > +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
> > +
> > +/*
> > + * Print Buffer Size
> > + */
> > +#define CONFIG_SYS_PBSIZE \
> > + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
> > +
> > +/*
> > + * max number of command args
> > + */
> > +#define CONFIG_SYS_MAXARGS 16
> > +
> > +/*
> > + * Boot Argument Buffer Size
> > + */
> > +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
> > +
> > +/*
> > + * Size of malloc() pool
> > + * 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough
> > + */
> > +#define CONFIG_SYS_MALLOC_LEN (512 << 10)
> > +
> > +/*
> > + * Physical Memory Map
> > + */
> > +#define PHYS_SDRAM_0 0x80000000 /* SDRAM Bank #1 */
> > +#define PHYS_SDRAM_0_SIZE 0x40000000 /* 1 GB */
> > +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
> > +
> > +/* Init Stack Pointer */
> > +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE +
> 0x200000)
> > +
> > +#define CONFIG_SYS_LOAD_ADDR 0x80000000 /* SDRAM */
> > +
> > +/*
> > + * memtest works on DRAM
> > + */
> > +#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_0
> > +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_0 +
> PHYS_SDRAM_0_SIZE)
> > +
> > +/* When we use RAM as ENV */
> > +#define CONFIG_ENV_SIZE 0x2000
> > +
> > +#endif /* __CONFIG_H */
> > --
>
> Regards,
> Bin
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