[XS] Change in coreboot[main]: soc/mediatek/mt8189: Enable timer compensation v2.5

[Yidi Lin (Code Review)]

Yidi Lin has submitted this change. ( https://review.coreboot.org/c/coreboot/+/85689?usp=email )

Change subject: soc/mediatek/mt8189: Enable timer compensation v2.5
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soc/mediatek/mt8189: Enable timer compensation v2.5

Enable timer compensation v2.5 for MT8189 systimer.

BUG=b:379008996
BRANCH=none
TEST=Check SYSTIMER_BASE register is configurated correctly.

Change-Id: I28c051c2e51481464f5dacb4c93f41e4f7e62501
Signed-off-by: Ke Zheng 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85689
Reviewed-by: Yu-Ping Wu 
Reviewed-by: Yidi Lin 
Tested-by: build bot (Jenkins) 
---
M src/soc/mediatek/mt8189/Makefile.mk
M src/soc/mediatek/mt8189/timer.c
2 files changed, 5 insertions(+), 2 deletions(-)

Approvals:
  Yidi Lin: Looks good to me, approved
  build bot (Jenkins): Verified
  Yu-Ping Wu: Looks good to me, approved

diff --git a/src/soc/mediatek/mt8189/Makefile.mk b/src/soc/mediatek/mt8189/Makefile.mk
index 3dc16be..a121413 100644
--- a/src/soc/mediatek/mt8189/Makefile.mk
+++ b/src/soc/mediatek/mt8189/Makefile.mk
@@ -4,7 +4,7 @@

all-y += ../common/gpio.c ../common/gpio_op.c gpio.c
 all-$(CONFIG_SPI_FLASH) += spi.c
-all-y += timer.c
+all-y += ../common/timer_prepare.c timer.c
 all-y += ../common/uart.c

bootblock-y += bootblock.c
diff --git a/src/soc/mediatek/mt8189/timer.c b/src/soc/mediatek/mt8189/timer.c
index c010d58..0d9776b 100644
--- a/src/soc/mediatek/mt8189/timer.c
+++ b/src/soc/mediatek/mt8189/timer.c
@@ -8,8 +8,11 @@
 #include <arch/lib_helpers.h>
 #include <commonlib/helpers.h>
 #include <delay.h>
+#include <soc/timer.h>

void init_timer(void)
 {
-	raw_write_cntfrq_el0(13 * MHz);
+	timer_prepare();
+
+	raw_write_cntfrq_el0(TIMER_MHZ * MHz);
 }