Move hardcoded IOU_SWITCH_DIVISOR0 to Kconfig to be able to set it up for different platforms.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
arch/arm/mach-versal/Kconfig | 6 ++++++ board/xilinx/versal/board.c | 5 ++++- 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-versal/Kconfig b/arch/arm/mach-versal/Kconfig index f291800bc971..26d175637101 100644 --- a/arch/arm/mach-versal/Kconfig +++ b/arch/arm/mach-versal/Kconfig @@ -41,6 +41,12 @@ config VERSAL_OF_BOARD_DTB_ADDR default 0x1000 depends on OF_BOARD
+config IOU_SWITCH_DIVISOR0 + hex "IOU switch divisor0" + default 0x20 + help + Setup time clock divisor for input clock. + config SYS_MEM_RSVD_FOR_MMU bool "Reserve memory for MMU Table" help diff --git a/board/xilinx/versal/board.c b/board/xilinx/versal/board.c index b49a4f473a72..b5ddd0c5ad24 100644 --- a/board/xilinx/versal/board.c +++ b/board/xilinx/versal/board.c @@ -28,8 +28,11 @@ int board_early_init_r(void) if (current_el() != 3) return 0;
+ debug("iou_switch ctrl div0 %x\n", + readl(&crlapb_base->iou_switch_ctrl)); + writel(IOU_SWITCH_CTRL_CLKACT_BIT | - (0x20 << IOU_SWITCH_CTRL_DIVISOR0_SHIFT), + (CONFIG_IOU_SWITCH_DIVISOR0 << IOU_SWITCH_CTRL_DIVISOR0_SHIFT), &crlapb_base->iou_switch_ctrl);
/* Global timer init - Program time stamp reference clk */