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soc/mediatek/mt8188: Initialize DFD 

DFD (Design for Debug) is a debugging tool, which scans flip-flops
and dumps to internal RAM on the WDT reset. After system reboots,
those values can be shown for debugging using MTK internal parsing
tools.

TEST=build pass
BUG=b:236331724

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Change-Id: I6d19dc6f4e47ed69ba2ea87c79984020a413aee9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66586
Reviewed-by: Yidi Lin <yidilin@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Rex-BC Chen 2022-08-04 17:11:22 +08:00 committed by Martin L Roth
parent d6cea76dfa
commit c3d2e9c593
2 changed files with 12 additions and 0 deletions
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1
src/soc/mediatek/mt8188/Makefile.inc
View File

@ -25,6 +25,7 @@ romstage-y += ../common/pmif_spmi.c pmif_spmi.c
romstage-y += ../common/rtc.c ../common/rtc_osc_init.c ../common/rtc_mt6359p.c
ramstage-y += ../common/auxadc.c
ramstage-y += ../common/dfd.c
ramstage-y += emi.c
ramstage-y += ../common/mcu.c
ramstage-y += ../common/mcupm.c

11
src/soc/mediatek/mt8188/soc.c
View File

@ -1,12 +1,20 @@
/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
#include <bootmem.h>
#include <device/device.h>
#include <soc/dfd.h>
#include <soc/emi.h>
#include <soc/mcupm.h>
#include <soc/mmu_operations.h>
#include <soc/sspm.h>
#include <symbols.h>
void bootmem_platform_add_ranges(void)
{
if (CONFIG(MTK_DFD))
bootmem_add_range(DFD_DUMP_ADDRESS, DFD_DUMP_SIZE, BM_MEM_RESERVED);
}
static void soc_read_resources(struct device *dev)
{
ram_range(dev, 0, (uintptr_t)_dram, sdram_size());
@ -17,6 +25,9 @@ static void soc_init(struct device *dev)
mtk_mmu_disable_l2c_sram();
mcupm_init();
sspm_init();
if (CONFIG(MTK_DFD))
dfd_init();
}
static struct device_operations soc_ops = {