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arm: mediatek: add support of MT8189 SoC family

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Add TARGET_MT8189 for MT8189 and similar SoCs.

Signed-off-by: Chris-QJ Chen <chris-qj.chen@mediatek.com>
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Reviewed-by: Julien Stephan <jstephan@baylibre.com>
Reviewed-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://patch.msgid.link/20260323-mtk-mt8391-initial-support-v3-2-19dd92f4543f@baylibre.com
Signed-off-by: David Lechner <dlechner@baylibre.com>
This commit is contained in:
Chris-QJ Chen
2026-03-23 15:16:53 -05:00
committed by David Lechner
parent 04b3a834c6
commit a7c682565b
4 changed files with 55 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm/mach-mediatek/Kconfig
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@@ -93,6 +93,15 @@ config TARGET_MT8188
USB3.0 dual role, SD and MMC cards, UFS, PWM, I2C, I2S, S/PDIF, and
several LPDDR3 and LPDDR4 options.
config TARGET_MT8189
bool "MediaTek MT8189 SoC"
select ARM64
help
The MediaTek MT8189 is a ARM64-based SoC with a dual-core Cortex-A78 and
a six-core Cortex-A55. It is including UART, SPI, USB3.0 dual role,
SD and MMC cards, UFS, PWM, I2C, I2S, S/PDIF, and several LPDDR4x
and LPDDR5x options.
config TARGET_MT8195
bool "MediaTek MT8195 SoC"
select ARM64
@@ -201,7 +210,7 @@ config SYS_CONFIG_NAME
config MTK_BROM_HEADER_INFO
string
default "media=nor" if TARGET_MT8518 || TARGET_MT8512 || TARGET_MT7629
default "media=emmc" if TARGET_MT8516 || TARGET_MT8365 || TARGET_MT8183 || TARGET_MT8188 || TARGET_MT8195
default "media=emmc" if TARGET_MT8516 || TARGET_MT8365 || TARGET_MT8183 || TARGET_MT8188 || TARGET_MT8189 || TARGET_MT8195
default "lk=1" if TARGET_MT7623
config MTK_TZ_MOVABLE

1
arch/arm/mach-mediatek/Makefile
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@@ -14,6 +14,7 @@ obj-$(CONFIG_TARGET_MT7987) += mt7987/
obj-$(CONFIG_TARGET_MT7988) += mt7988/
obj-$(CONFIG_TARGET_MT8183) += mt8183/
obj-$(CONFIG_TARGET_MT8188) += mt8188/
obj-$(CONFIG_TARGET_MT8189) += mt8189/
obj-$(CONFIG_TARGET_MT8195) += mt8195/
obj-$(CONFIG_TARGET_MT8365) += mt8365/
obj-$(CONFIG_TARGET_MT8512) += mt8512/

3
arch/arm/mach-mediatek/mt8189/Makefile Normal file
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@@ -0,0 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
obj-y += init.o

41
arch/arm/mach-mediatek/mt8189/init.c Normal file
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@@ -0,0 +1,41 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2026 MediaTek Inc.
* Author: Chris-QJ Chen <chris-qj.chen@mediatek.com>
*/
#include <fdtdec.h>
#include <stdio.h>
#include <asm/global_data.h>
#include <asm/system.h>
#include <linux/kernel.h>
#include <linux/sizes.h>
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
return fdtdec_setup_mem_size_base();
}
phys_size_t get_effective_memsize(void)
{
/*
* Limit gd->ram_top not exceeding SZ_4G. Because some peripherals like
* MMC requires DMA buffer allocated below SZ_4G.
*/
return min(SZ_4G - gd->ram_base, gd->ram_size);
}
void reset_cpu(ulong addr)
{
if (!CONFIG_IS_ENABLED(SYSRESET))
psci_system_reset();
}
int print_cpuinfo(void)
{
printf("CPU: MediaTek MT8189\n");
return 0;
}