From patchwork Thu Jun 25 12:25:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sagar Shrikant Kadam X-Patchwork-Id: 242989 List-Id: U-Boot discussion From: sagar.kadam at sifive.com (Sagar Shrikant Kadam) Date: Thu, 25 Jun 2020 05:25:41 -0700 Subject: [PATCH v2 5/5] configs: reset: fu540: enable dm reset framework for SiFive SoC In-Reply-To: <1593087941-16872-1-git-send-email-sagar.kadam@sifive.com> References: <1593087941-16872-1-git-send-email-sagar.kadam@sifive.com> Message-ID: <1593087941-16872-6-git-send-email-sagar.kadam@sifive.com> 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 Reviewed-by: Pragnesh Patel Reviewed-by: Bin Meng Tested-by: Bin Meng --- configs/sifive_fu540_defconfig | 2 ++ drivers/reset/Kconfig | 9 +++++++++ drivers/reset/Makefile | 1 + 3 files changed, 12 insertions(+) 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