From patchwork Fri Mar 20 08:03:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Simek X-Patchwork-Id: 243995 List-Id: U-Boot discussion From: michal.simek at xilinx.com (Michal Simek) Date: Fri, 20 Mar 2020 09:03:48 +0100 Subject: [PATCH 2/2] arm64: zynqmp: Move timeout for clock propagation below psu_init In-Reply-To: <49ecdd5df5f97e1f2eff8b8335c0068cf6358261.1584691425.git.michal.simek@xilinx.com> References: <49ecdd5df5f97e1f2eff8b8335c0068cf6358261.1584691425.git.michal.simek@xilinx.com> Message-ID: <1f015ab311bb66359280f2f0bac46f4d6ae84517.1584691425.git.michal.simek@xilinx.com> Delay required for clock propagation is tighly coupled with initialization done in psu_init(). That's why call it also for u-boot proper with CONFIG_ZYNQMP_PSU_INIT_ENABLED enabled. Signed-off-by: Michal Simek --- arch/arm/mach-zynqmp/spl.c | 3 --- board/xilinx/zynqmp/zynqmp.c | 3 +++ 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-zynqmp/spl.c b/arch/arm/mach-zynqmp/spl.c index c53945e57f39..68df0a79c4e5 100644 --- a/arch/arm/mach-zynqmp/spl.c +++ b/arch/arm/mach-zynqmp/spl.c @@ -19,9 +19,6 @@ void board_init_f(ulong dummy) { board_early_init_f(); board_early_init_r(); - - /* Delay is required for clocks to be propagated */ - udelay(1000000); } static void ps_mode_reset(ulong mode) diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c index 04fd3bd0a443..eb1bc0861e2f 100644 --- a/board/xilinx/zynqmp/zynqmp.c +++ b/board/xilinx/zynqmp/zynqmp.c @@ -326,6 +326,9 @@ int board_early_init_f(void) ret = psu_init(); if (ret) return ret; + + /* Delay is required for clocks to be propagated */ + udelay(1000000); #endif #ifdef CONFIG_DEBUG_UART