[PATCH v2 5/6] riscv: lib: move platform-related libraries to sperate folder
Zong Li
zong.li at sifive.com
Fri Aug 13 05:49:59 CEST 2021
On Fri, Aug 13, 2021 at 4:22 AM Sean Anderson <seanga2 at gmail.com> wrote:
>
> On 8/10/21 3:04 AM, Zong Li wrote:
> > On Tue, Aug 10, 2021 at 12:55 PM Sean Anderson <seanga2 at gmail.com> wrote:
> >>
> >>> Re: [PATCH v2 5/6] riscv: lib: move platform-related libraries to sperate folder
> >>
> >> nit: separate
> >>
> >
> > Thanks for catching it. Fix it in the next version.
> >
> >> On 8/3/21 12:44 AM, Zong Li wrote:
> >>> Put the platform-related implementation into their own folder
> >>> respectively. Just leave the common library in the top of lib
> >>> folder.
> >>>
> >>> Signed-off-by: Zong Li <zong.li at sifive.com>
> >>> ---
> >>> arch/riscv/Kconfig | 7 +++++++
> >>> arch/riscv/lib/Makefile | 9 ++++-----
> >>> arch/riscv/lib/andestech/Kconfig | 8 ++++++++
> >>> arch/riscv/lib/andestech/Makefile | 7 +++++++
> >>> arch/riscv/lib/{ => andestech}/andes_plic.c | 0
> >>> arch/riscv/lib/sifive/Kconfig | 8 ++++++++
> >>> arch/riscv/lib/sifive/Makefile | 9 +++++++++
> >>> arch/riscv/lib/{ => sifive}/sifive_cache.c | 0
> >>> arch/riscv/lib/{ => sifive}/sifive_clint.c | 0
> >>> 9 files changed, 43 insertions(+), 5 deletions(-)
> >>> create mode 100644 arch/riscv/lib/andestech/Kconfig
> >>> create mode 100644 arch/riscv/lib/andestech/Makefile
> >>> rename arch/riscv/lib/{ => andestech}/andes_plic.c (100%)
> >>> create mode 100644 arch/riscv/lib/sifive/Kconfig
> >>> create mode 100644 arch/riscv/lib/sifive/Makefile
> >>> rename arch/riscv/lib/{ => sifive}/sifive_cache.c (100%)
> >>> rename arch/riscv/lib/{ => sifive}/sifive_clint.c (100%)
> >>
> >> NAK from me. I'd much rather see organization by function (e.g.
> >> clint/sbi/plic together) than by vendor. Plus, the clint/plic are not
> >> really specific to one vendor like ccache.
> >>
> >
> > Yes, it makes more sense to me. In this case, there are three
> > functionalities, so I'd like to separate clint, plic and cache at this
> > time, does it make sense to you?
>
> No, it does not. clint and plic should be grouped with SBI because in
> U-Boot they are all used for IPIs. But frankly, I don't really see the
> need to place them in subdirectories yet...
>
Okay, I got it, how about only separate cache into a subdirectory? Or
you think that it might be OK to just put all of them in lib/ ?
> --Sean
>
> >
> >> --Sean
> >>
> >>> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> >>> index ec651fe0a4..ed1bf2f6c8 100644
> >>> --- a/arch/riscv/Kconfig
> >>> +++ b/arch/riscv/Kconfig
> >>> @@ -72,6 +72,10 @@ source "arch/riscv/cpu/fu540/Kconfig"
> >>> source "arch/riscv/cpu/fu740/Kconfig"
> >>> source "arch/riscv/cpu/generic/Kconfig"
> >>>
> >>> +# library-specific options below
> >>> +source "arch/riscv/lib/sifive/Kconfig"
> >>> +source "arch/riscv/lib/andestech/Kconfig"
> >>> +
> >>> # architecture-specific options below
> >>>
> >>> choice
> >>> @@ -175,18 +179,21 @@ config SIFIVE_CLINT
> >>> config SPL_SIFIVE_CLINT
> >>> bool
> >>> depends on SPL_RISCV_MMODE
> >>> + select SIFIVE_LIB
> >>> help
> >>> The SiFive CLINT block holds memory-mapped control and status registers
> >>> associated with software and timer interrupts.
> >>>
> >>> config SIFIVE_CACHE
> >>> bool
> >>> + select SIFIVE_LIB
> >>> help
> >>> This enables the operations to configure SiFive cache
> >>>
> >>> config ANDES_PLIC
> >>> bool
> >>> depends on RISCV_MMODE || SPL_RISCV_MMODE
> >>> + select ANDESTECH_LIB
> >>> select REGMAP
> >>> select SYSCON
> >>> select SPL_REGMAP if SPL
> >>> diff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile
> >>> index 06020fcc2a..f58d1f9819 100644
> >>> --- a/arch/riscv/lib/Makefile
> >>> +++ b/arch/riscv/lib/Makefile
> >>> @@ -10,11 +10,7 @@ obj-$(CONFIG_CMD_BOOTM) += bootm.o
> >>> obj-$(CONFIG_CMD_BOOTI) += bootm.o image.o
> >>> obj-$(CONFIG_CMD_GO) += boot.o
> >>> obj-y += cache.o
> >>> -obj-$(CONFIG_SIFIVE_CACHE) += sifive_cache.o
> >>> -ifeq ($(CONFIG_$(SPL_)RISCV_MMODE),y)
> >>> -obj-$(CONFIG_$(SPL_)SIFIVE_CLINT) += sifive_clint.o
> >>> -obj-$(CONFIG_ANDES_PLIC) += andes_plic.o
> >>> -else
> >>> +ifeq ($(CONFIG_$(SPL_)RISCV_MMODE),)
> >>> obj-$(CONFIG_SBI) += sbi.o
> >>> obj-$(CONFIG_SBI_IPI) += sbi_ipi.o
> >>> endif
> >>> @@ -42,3 +38,6 @@ extra-$(CONFIG_EFI) += $(EFI_CRT0) $(EFI_RELOC)
> >>> obj-$(CONFIG_$(SPL_TPL_)USE_ARCH_MEMSET) += memset.o
> >>> obj-$(CONFIG_$(SPL_TPL_)USE_ARCH_MEMMOVE) += memmove.o
> >>> obj-$(CONFIG_$(SPL_TPL_)USE_ARCH_MEMCPY) += memcpy.o
> >>> +
> >>> +obj-$(CONFIG_SIFIVE_LIB) += sifive/
> >>> +obj-$(CONFIG_ANDESTECH_LIB) += andestech/
> >>> diff --git a/arch/riscv/lib/andestech/Kconfig b/arch/riscv/lib/andestech/Kconfig
> >>> new file mode 100644
> >>> index 0000000000..75f83a8123
> >>> --- /dev/null
> >>> +++ b/arch/riscv/lib/andestech/Kconfig
> >>> @@ -0,0 +1,8 @@
> >>> +# SPDX-License-Identifier: GPL-2.0+
> >>> +#
> >>> +# Copyright (C) 2021 SiFive, Inc
> >>> +
> >>> +config ANDESTECH_LIB
> >>> + bool
> >>> + help
> >>> + This supports the specific libraries for AndesTech platforms
> >>> diff --git a/arch/riscv/lib/andestech/Makefile b/arch/riscv/lib/andestech/Makefile
> >>> new file mode 100644
> >>> index 0000000000..49f45d0a29
> >>> --- /dev/null
> >>> +++ b/arch/riscv/lib/andestech/Makefile
> >>> @@ -0,0 +1,7 @@
> >>> +# SPDX-License-Identifier: GPL-2.0+
> >>> +#
> >>> +# Copyright (C) 2021 SiFive, Inc
> >>> +
> >>> +ifeq ($(CONFIG_$(SPL_)RISCV_MMODE),y)
> >>> +obj-$(CONFIG_ANDES_PLIC) += andes_plic.o
> >>> +endif
> >>> diff --git a/arch/riscv/lib/andes_plic.c b/arch/riscv/lib/andestech/andes_plic.c
> >>> similarity index 100%
> >>> rename from arch/riscv/lib/andes_plic.c
> >>> rename to arch/riscv/lib/andestech/andes_plic.c
> >>> diff --git a/arch/riscv/lib/sifive/Kconfig b/arch/riscv/lib/sifive/Kconfig
> >>> new file mode 100644
> >>> index 0000000000..20574079e9
> >>> --- /dev/null
> >>> +++ b/arch/riscv/lib/sifive/Kconfig
> >>> @@ -0,0 +1,8 @@
> >>> +# SPDX-License-Identifier: GPL-2.0+
> >>> +#
> >>> +# Copyright (C) 2021 SiFive, Inc
> >>> +
> >>> +config SIFIVE_LIB
> >>> + bool
> >>> + help
> >>> + This supports the specific libraries for SiFive platforms
> >>> diff --git a/arch/riscv/lib/sifive/Makefile b/arch/riscv/lib/sifive/Makefile
> >>> new file mode 100644
> >>> index 0000000000..ba120db26a
> >>> --- /dev/null
> >>> +++ b/arch/riscv/lib/sifive/Makefile
> >>> @@ -0,0 +1,9 @@
> >>> +# SPDX-License-Identifier: GPL-2.0+
> >>> +#
> >>> +# Copyright (C) 2021 SiFive, Inc
> >>> +
> >>> +obj-$(CONFIG_SIFIVE_CACHE) += sifive_cache.o
> >>> +
> >>> +ifeq ($(CONFIG_$(SPL_)RISCV_MMODE),y)
> >>> +obj-$(CONFIG_$(SPL_)SIFIVE_CLINT) += sifive_clint.o
> >>> +endif
> >>> diff --git a/arch/riscv/lib/sifive_cache.c b/arch/riscv/lib/sifive/sifive_cache.c
> >>> similarity index 100%
> >>> rename from arch/riscv/lib/sifive_cache.c
> >>> rename to arch/riscv/lib/sifive/sifive_cache.c
> >>> diff --git a/arch/riscv/lib/sifive_clint.c b/arch/riscv/lib/sifive/sifive_clint.c
> >>> similarity index 100%
> >>> rename from arch/riscv/lib/sifive_clint.c
> >>> rename to arch/riscv/lib/sifive/sifive_clint.c
> >>>
> >>
>
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