| Message ID | 1592828876-7724-6-git-send-email-sagar.kadam@sifive.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | add DM based reset driver for SiFive SoC's | expand |
On Mon, Jun 22, 2020 at 8:28 PM Sagar Shrikant Kadam <sagar.kadam at sifive.com> wrote: > > Add necessary defconfig and Kconfig entries to enable SiFive SoC's > reset driver so as to utilise U-Boot's reset framework. > > Signed-off-by: Sagar Shrikant Kadam <sagar.kadam at sifive.com> > Reviewed-by: Pragnesh Patel <Pragnesh.patel at sifive.com> > --- > configs/sifive_fu540_defconfig | 2 ++ > drivers/reset/Kconfig | 9 +++++++++ > drivers/reset/Makefile | 1 + > 3 files changed, 12 insertions(+) > Reviewed-by: Bin Meng <bin.meng at windriver.com> Tested-by: Bin Meng <bin.meng at windriver.com>
diff --git a/configs/sifive_fu540_defconfig b/configs/sifive_fu540_defconfig index 8d412f8..6d78943 100644 --- a/configs/sifive_fu540_defconfig +++ b/configs/sifive_fu540_defconfig @@ -21,3 +21,5 @@ CONFIG_DEFAULT_DEVICE_TREE="hifive-unleashed-a00" CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_SPL_CLK=y CONFIG_DM_MTD=y +CONFIG_SPL_DM_RESET=y +CONFIG_DM_RESET=y diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 88d3be1..627f8e8 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -148,4 +148,13 @@ config RESET_IMX7 help Support for reset controller on i.MX7/8 SoCs. +config RESET_SIFIVE + bool "Reset Driver for SiFive SoC's" + depends on DM_RESET && CLK_SIFIVE_FU540_PRCI && TARGET_SIFIVE_FU540 + default y + help + PRCI module within SiFive SoC's provides mechanism to reset + different hw blocks like DDR, gemgxl. With this driver we leverage + U-Boot's reset framework to reset these hardware blocks. + endmenu diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 0a044d5..e3c27c4 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -23,3 +23,4 @@ obj-$(CONFIG_RESET_MTMIPS) += reset-mtmips.o obj-$(CONFIG_RESET_SUNXI) += reset-sunxi.o obj-$(CONFIG_RESET_HISILICON) += reset-hisilicon.o obj-$(CONFIG_RESET_IMX7) += reset-imx7.o +obj-$(CONFIG_RESET_SIFIVE) += reset-sifive.o