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f4b1b358fe
uboot: - immortalwrt/immortalwrt@7a042afdee uboot-rockchip: fix RockPro64 boot from eMMC - immortalwrt/immortalwrt@f450acefb0 uboot-rockchip: update to v2021.01 - immortalwrt/immortalwrt@5cc1d3df78 rockchip: improve support for NanoPi R4S - immortalwrt/immortalwrt@83d3fb9634 uboot-rockchip: add NanoPi R4S support - immortalwrt/immortalwrt@3d86ffedd7 uboot-rockchip: update to v2020.10 - immortalwrt/immortalwrt@fe5fa0c7ab Revert "uboot-rockchip: fix nanopi-r2s failed to boot on some sd cards" target: - immortalwrt/immortalwrt@f67522e532 rockchip: add support for Radxa Rock Pi 4 - immortalwrt/immortalwrt@cd7fd0c77b rockchip: add NanoPi R4S support - immortalwrt/immortalwrt@02395293a2 rockchip: fix SUPPORTED_DEVICES for Radxa ROCK Pi 4 - immortalwrt/immortalwrt@c7b200b8a2 rockchip: re-order patches - immortalwrt/immortalwrt@aee038e773 rockchip: refresh Kconfig - immortalwrt/immortalwrt@22061b2880 kernel: enable CONFIG_LEDS_TRIGGER_HEARTBEAT - immortalwrt/immortalwrt@b1150de9e4 rockchip: add missing Kconfig symbols - immortalwrt/immortalwrt@ab28d07c3b treewide: fix spelling 'seperate' -> 'separate' - immortalwrt/immortalwrt@6401fca74d rockchip: use native mac address for NanoPi R4S Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
From e5b5361651940ff5c0c1784dfd0130abec7ab535 Mon Sep 17 00:00:00 2001
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From: wevsty <ty@wevs.org>
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Date: Mon, 24 Aug 2020 02:27:11 +0800
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Subject: [PATCH] char: add support for rockchip hardware random number
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generator
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This patch provides hardware random number generator support for all rockchip SOC.
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rockchip-rng.c from https://github.com/rockchip-linux/kernel/blob/develop-4.4/drivers/char/hw_random/rockchip-rng.c
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Signed-off-by: wevsty <ty@wevs.org>
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---
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--- a/drivers/char/hw_random/Kconfig
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+++ b/drivers/char/hw_random/Kconfig
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@@ -345,6 +345,19 @@ config HW_RANDOM_STM32
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If unsure, say N.
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+config HW_RANDOM_ROCKCHIP
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+ tristate "Rockchip Random Number Generator support"
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+ depends on ARCH_ROCKCHIP
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+ default HW_RANDOM
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+ help
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+ This driver provides kernel-side support for the Random Number
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+ Generator hardware found on Rockchip cpus.
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+
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+ To compile this driver as a module, choose M here: the
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+ module will be called rockchip-rng.
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+
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+ If unsure, say Y.
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+
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config HW_RANDOM_PIC32
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tristate "Microchip PIC32 Random Number Generator support"
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depends on HW_RANDOM && MACH_PIC32
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--- a/drivers/char/hw_random/Makefile
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+++ b/drivers/char/hw_random/Makefile
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@@ -32,6 +32,7 @@ obj-$(CONFIG_HW_RANDOM_IPROC_RNG200) +=
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obj-$(CONFIG_HW_RANDOM_ST) += st-rng.o
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obj-$(CONFIG_HW_RANDOM_XGENE) += xgene-rng.o
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obj-$(CONFIG_HW_RANDOM_STM32) += stm32-rng.o
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+obj-$(CONFIG_HW_RANDOM_ROCKCHIP) += rockchip-rng.o
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obj-$(CONFIG_HW_RANDOM_PIC32) += pic32-rng.o
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obj-$(CONFIG_HW_RANDOM_MESON) += meson-rng.o
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obj-$(CONFIG_HW_RANDOM_CAVIUM) += cavium-rng.o cavium-rng-vf.o
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