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arm64: versal: Move IOU_SWITCH_DIVISOR0 to Kconfig

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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>
This commit is contained in:
Michal Simek 2019-01-28 11:12:41 +01:00
parent fb771793bd
commit 47a766f950
2 changed files with 10 additions and 1 deletions
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6
arch/arm/mach-versal/Kconfig
View file

@ -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

5
board/xilinx/versal/board.c
View file

@ -26,8 +26,11 @@ 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 */