soc/mediatek/mt8186: Initialize watchdog
MT8186 requires writing speical value to mode register to clear status register. The flow of clear status is different from other platforms, so we override mtk_wdt_clr_status() for MT8186. TEST=build pass BUG=b:202871018 Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: I290b69573a8e58db76814e16b5c17c23413f1108 Reviewed-on: https://review.coreboot.org/c/coreboot/+/58835 Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com> Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
parent
a23d76a8bc
commit
5db9fa7433
|
@ -6,6 +6,7 @@ config SOC_MEDIATEK_MT8186
|
|||
select ARCH_ROMSTAGE_ARMV8_64
|
||||
select ARCH_RAMSTAGE_ARMV8_64
|
||||
select HAVE_UART_SPECIAL
|
||||
select SOC_MEDIATEK_COMMON
|
||||
|
||||
if SOC_MEDIATEK_MT8186
|
||||
|
||||
|
|
|
@ -5,22 +5,26 @@ bootblock-y += ../common/mmu_operations.c
|
|||
bootblock-$(CONFIG_SPI_FLASH) += spi.c
|
||||
bootblock-y += ../common/timer.c
|
||||
bootblock-y += ../common/uart.c
|
||||
bootblock-y += ../common/wdt.c wdt.c
|
||||
|
||||
verstage-$(CONFIG_SPI_FLASH) += spi.c
|
||||
verstage-y += ../common/timer.c
|
||||
verstage-y += ../common/uart.c
|
||||
verstage-y += ../common/wdt.c wdt.c
|
||||
|
||||
romstage-y += ../common/cbmem.c
|
||||
romstage-y += emi.c
|
||||
romstage-$(CONFIG_SPI_FLASH) += spi.c
|
||||
romstage-y += ../common/timer.c
|
||||
romstage-y += ../common/uart.c
|
||||
romstage-y += ../common/wdt.c wdt.c
|
||||
|
||||
ramstage-y += emi.c
|
||||
ramstage-$(CONFIG_SPI_FLASH) += spi.c
|
||||
ramstage-y += soc.c
|
||||
ramstage-y += ../common/timer.c
|
||||
ramstage-y += ../common/uart.c
|
||||
ramstage-y += ../common/wdt.c wdt.c
|
||||
|
||||
CPPFLAGS_common += -Isrc/soc/mediatek/mt8186/include
|
||||
CPPFLAGS_common += -Isrc/soc/mediatek/common/include
|
||||
|
|
|
@ -2,8 +2,10 @@
|
|||
|
||||
#include <bootblock_common.h>
|
||||
#include <soc/mmu_operations.h>
|
||||
#include <soc/wdt.h>
|
||||
|
||||
void bootblock_soc_init(void)
|
||||
{
|
||||
mtk_mmu_init();
|
||||
mtk_wdt_init();
|
||||
}
|
||||
|
|
|
@ -0,0 +1,17 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
/*
|
||||
* This file is created based on MT8186 Functional Specification
|
||||
* Chapter number: 3.4
|
||||
*/
|
||||
|
||||
#include <device/mmio.h>
|
||||
#include <soc/addressmap.h>
|
||||
#include <soc/wdt.h>
|
||||
|
||||
#define MTK_WDT_CLR_STATUS 0x22000000
|
||||
|
||||
void mtk_wdt_clr_status(uint32_t wdt_sta)
|
||||
{
|
||||
write32(&mtk_wdt->wdt_mode, wdt_sta | MTK_WDT_CLR_STATUS);
|
||||
}
|
Loading…
Reference in New Issue