[PATCH v3 5/5] configs: reset: fu540: enable dm reset framework for SiFive SoC

[Rick Chen]

Hi Sagar

> From: Sagar Shrikant Kadam [mailto:sagar.kadam at sifive.com]
> Sent: Friday, July 10, 2020 4:38 PM
> To: u-boot at lists.denx.de
> Cc: Rick Jian-Zhi Chen(陳建志); paul.walmsley at sifive.com; palmer at dabbelt.com; anup.patel at wdc.com; atish.patra at wdc.com; lukma at denx.de; pragnesh.patel at sifive.com; bin.meng at windriver.com; jagan at amarulasolutions.com; sjg at chromium.org; twoerner at gmail.com; abrodkin at synopsys.com; Eugeniy.Paltsev at synopsys.com; patrick at blueri.se; weijie.gao at mediatek.com; festevam at gmail.com; Sagar Shrikant Kadam
> Subject: [PATCH v3 5/5] configs: reset: fu540: enable dm reset framework for SiFive SoC
>
> 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>
> Reviewed-by: Bin Meng <bin.meng at windriver.com>
> Tested-by: Bin Meng <bin.meng at 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 32347c2..12f2469 100644
> --- a/configs/sifive_fu540_defconfig
> +++ b/configs/sifive_fu540_defconfig
> @@ -20,3 +20,5 @@ 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

This patch conflicts with u-boot/master, please rebase.

Applying: dt-bindings: prci: add indexes for reset signals available in prci
Applying: fu540: prci: use common reset indexes defined in binding header
Applying: fu540: dtsi: add reset producer and consumer entries
Applying: sifive: reset: add DM based reset driver for SiFive SoC's
Applying: configs: reset: fu540: enable dm reset framework for SiFive SoC
error: patch failed: drivers/reset/Kconfig:148
error: drivers/reset/Kconfig: patch does not apply
error: patch failed: drivers/reset/Makefile:23
error: drivers/reset/Makefile: patch does not apply
Patch failed at 0005 configs: reset: fu540: enable dm reset framework
for SiFive SoC

Thanks,
Rick