On 26. 05. 20 10:20, Mike Looijmans wrote:
SPL boot is slow on the ZynqMP because of this delay. The initialization done in psu_init no longer requires an external delay, so this can be removed to speed up the SPL boot flow considerably.
Signed-off-by: Mike Looijmans mike.looijmans@topic.nl
board/xilinx/zynqmp/zynqmp.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c index cb72914adb..d00235f236 100644 --- a/board/xilinx/zynqmp/zynqmp.c +++ b/board/xilinx/zynqmp/zynqmp.c @@ -32,7 +32,6 @@ #include <zynqmp_firmware.h> #include <g_dnl.h> #include <linux/bitops.h> -#include <linux/delay.h> #include <linux/sizes.h> #include "../common/board.h"
@@ -334,9 +333,6 @@ 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
Mike reported me that removing this 1s is causing issue in SD boot mode that's why I am not applying this patch till we root caused it.
Thanks, Michal