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.ka...@sifive.com>
Reviewed-by: Pragnesh Patel <pragnesh.pa...@sifive.com>
Reviewed-by: Bin Meng <bin.m...@windriver.com>
Tested-by: Bin Meng <bin.m...@windriver.com>
---
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 9e00a56..31cf3b4 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 6d53561..253902f 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -148,6 +148,15 @@ 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.
+
config RESET_SYSCON
bool "Enable generic syscon reset driver support"
depends on DM_RESET
diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile
index 8e0124b..3c7f066 100644
--- a/drivers/reset/Makefile
+++ b/drivers/reset/Makefile
@@ -23,5 +23,6 @@ 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-$(CONFIG_RESET_SIFIVE) += reset-sifive.o
obj-$(CONFIG_RESET_SYSCON) += reset-syscon.o
obj-$(CONFIG_RESET_RASPBERRYPI) += reset-raspberrypi.o
--
2.7.4
