On Tue, Dec 15, 2020 at 9:50 AM matthias.bgg@kernel.org wrote:
From: Matthias Brugger mbrugger@suse.com
We find the iProc RNG200 in the Raspberry Pi 4. Add it to all it's config so that it can be used.
Signed-off-by: Matthias Brugger mbrugger@suse.com
Tested-by: Peter Robinson pbrobinson@gmail.com
Tested on a RPi4 class device
Changes in v2:
- fix defconfigs using savedefconfig (Heinrich)
configs/rpi_4_32b_defconfig | 2 ++ configs/rpi_4_defconfig | 2 ++ configs/rpi_arm64_defconfig | 2 ++ drivers/rng/iproc_rng200.c | 1 - 4 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/configs/rpi_4_32b_defconfig b/configs/rpi_4_32b_defconfig index 5ddd838fd5..4039e46c81 100644 --- a/configs/rpi_4_32b_defconfig +++ b/configs/rpi_4_32b_defconfig @@ -36,6 +36,8 @@ CONFIG_PCI_BRCMSTB=y CONFIG_PINCTRL=y # CONFIG_PINCTRL_GENERIC is not set CONFIG_DM_RESET=y +CONFIG_DM_RNG=y +CONFIG_RNG_IPROC200=y # CONFIG_REQUIRE_SERIAL_CONSOLE is not set CONFIG_USB=y CONFIG_DM_USB=y diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig index 2590d0a696..46b6cc3046 100644 --- a/configs/rpi_4_defconfig +++ b/configs/rpi_4_defconfig @@ -36,6 +36,8 @@ CONFIG_PCI_BRCMSTB=y CONFIG_PINCTRL=y # CONFIG_PINCTRL_GENERIC is not set CONFIG_DM_RESET=y +CONFIG_DM_RNG=y +CONFIG_RNG_IPROC200=y # CONFIG_REQUIRE_SERIAL_CONSOLE is not set CONFIG_USB=y CONFIG_DM_USB=y diff --git a/configs/rpi_arm64_defconfig b/configs/rpi_arm64_defconfig index 2639219a1a..b75144036d 100644 --- a/configs/rpi_arm64_defconfig +++ b/configs/rpi_arm64_defconfig @@ -33,6 +33,8 @@ CONFIG_PCI_BRCMSTB=y CONFIG_PINCTRL=y # CONFIG_PINCTRL_GENERIC is not set CONFIG_DM_RESET=y +CONFIG_DM_RNG=y +CONFIG_RNG_IPROC200=y # CONFIG_REQUIRE_SERIAL_CONSOLE is not set CONFIG_USB=y CONFIG_DM_USB=y diff --git a/drivers/rng/iproc_rng200.c b/drivers/rng/iproc_rng200.c index 1063f43953..378f6cf48d 100644 --- a/drivers/rng/iproc_rng200.c +++ b/drivers/rng/iproc_rng200.c @@ -50,7 +50,6 @@ static void iproc_rng200_enable(struct iproc_rng200_platdata *pdata, bool enable val &= ~RNG_CTRL_RNG_RBGEN_ENABLE;
writel(val, rng_base + RNG_CTRL_OFFSET);
}
static void iproc_rng200_restart(struct iproc_rng200_platdata *pdata)
2.29.2