From: Chris-QJ Chen <[email protected]> Add TARGET_MT8189 for MT8189 and similar SoCs.
Signed-off-by: Chris-QJ Chen <[email protected]> Signed-off-by: Macpaul Lin <[email protected]> Signed-off-by: David Lechner <[email protected]> --- arch/arm/mach-mediatek/Kconfig | 11 ++++++- arch/arm/mach-mediatek/Makefile | 1 + arch/arm/mach-mediatek/mt8189/Makefile | 3 ++ arch/arm/mach-mediatek/mt8189/init.c | 58 ++++++++++++++++++++++++++++++++++ 4 files changed, 72 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig index 8da4ba5ceab..bdbc4233054 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -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 diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach-mediatek/Makefile index d1f64d61ab9..35f748a70d6 100644 --- a/arch/arm/mach-mediatek/Makefile +++ b/arch/arm/mach-mediatek/Makefile @@ -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/ diff --git a/arch/arm/mach-mediatek/mt8189/Makefile b/arch/arm/mach-mediatek/mt8189/Makefile new file mode 100644 index 00000000000..886ab7e4eb9 --- /dev/null +++ b/arch/arm/mach-mediatek/mt8189/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +obj-y += init.o diff --git a/arch/arm/mach-mediatek/mt8189/init.c b/arch/arm/mach-mediatek/mt8189/init.c new file mode 100644 index 00000000000..56e852e2374 --- /dev/null +++ b/arch/arm/mach-mediatek/mt8189/init.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2026 MediaTek Inc. + * Author: Chris-QJ Chen <[email protected]> + */ + +#include <fdtdec.h> +#include <stdio.h> +#include <asm/global_data.h> +#include <asm/system.h> +#include <linux/sizes.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + int ret; + + ret = fdtdec_setup_memory_banksize(); + if (ret) + return ret; + + fdtdec_setup_mem_size_base(); + + /* + * Limit gd->ram_top not exceeding SZ_4G. + * Because some periphals like mmc requires DMA buffer + * allocated below SZ_4G. + * + * Note: SZ_1M is for adjusting gd->relocaddr, + * the reserved memory for u-boot itself. + */ + if (gd->ram_base + gd->ram_size >= SZ_4G) + gd->mon_len = (gd->ram_base + gd->ram_size + SZ_1M) - SZ_4G; + + return 0; +} + +int dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = gd->ram_base; + gd->bd->bi_dram[0].size = gd->ram_size; + + return 0; +} + +void reset_cpu(ulong addr) +{ + if (!CONFIG_IS_ENABLED(SYSRESET)) + psci_system_reset(); +} + +int print_cpuinfo(void) +{ + printf("CPU: MediaTek MT8391\n"); + + return 0; +} -- 2.43.0
