[PATCH v2 2/4] arm: mediatek: add MT8366 application processor
David Lechner <[email protected]>
| Newsgroups | gmane.comp.boot-loaders.u-boot |
|---|---|
| Message-ID | <20260807-mtk-genio-360-bringup-v2-2-7c3830297d97__42618.29783661$1786119230$gmane$org@baylibre.com> |
From: Chris Chen <[email protected]> Add basic support for the MT8366 application processor including init Kconfig target. Signed-off-by: Chris Chen <[email protected]> Co-developed-by: David Lechner <[email protected]> Signed-off-by: David Lechner <[email protected]> --- arch/arm/dts/mt8366.dtsi | 11 +++++-- arch/arm/mach-mediatek/Kconfig | 12 ++++++- arch/arm/mach-mediatek/Makefile | 1 + arch/arm/mach-mediatek/cpu.c | 3 +- arch/arm/mach-mediatek/mt8366/Makefile | 3 ++ arch/arm/mach-mediatek/mt8366/init.c | 58 ++++++++++++++++++++++++++++++++++ 6 files changed, 83 insertions(+), 5 deletions(-) diff --git a/arch/arm/dts/mt8366.dtsi b/arch/arm/dts/mt8366.dtsi index dec3315ee3d..313c6a3707b 100644 --- a/arch/arm/dts/mt8366.dtsi +++ b/arch/arm/dts/mt8366.dtsi @@ -483,13 +483,18 @@ <0 0x11e20000 0 0x1000>, <0 0x11ea0000 0 0x1000>, <0 0x11f10000 0 0x1000>, - <0 0x11f20000 0 0x1000>; + <0 0x11f20000 0 0x1000>, + <0 0x1000b000 0 0x1000>; reg-names = "gpio", "iocfg_rm", "iocfg_bm", "iocfg_lb", "iocfg_tr", "iocfg_lt", - "iocfg_tl"; + "iocfg_tl", "eint"; gpio-controller; #gpio-cells = <2>; + gpio-ranges = <&pio 0 0 172>; + interrupt-controller; + interrupts = <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH 0>; + #interrupt-cells = <2>; }; ssusb: usb@11201000 { @@ -657,7 +662,7 @@ }; snor: spi@11018000 { - compatible = "mediatek,mt8366-nor"; + compatible = "mediatek,mt8366-nor", "mediatek,mt8186-nor"; reg = <0 0x11018000 0 0x1000>; clocks = <&topckgen_clk CLK_TOP_SFLASH_SEL>, <&infracfg_ao_clk CLK_INFRACFG_AO_REGP_SFLASH>, diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig index 05ba7c209bc..6897ef66389 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -119,6 +119,15 @@ config TARGET_MT8365 It is including UART, SPI, USB2.0 dual role, SD and MMC cards, NAND, PWM, I2C, I2S, S/PDIF, and several LPDDR3 and LPDDR4 options. +config TARGET_MT8366 + bool "MediaTek MT8366 SoC" + select ARM64 + help + The MediaTek MT8366 is a ARM64-based SoC with a single-core Cortex-A76 and + a five-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 + options. + config TARGET_MT8512 bool "MediaTek MT8512 SoC" select ARM64 @@ -159,6 +168,7 @@ config MTK_MEM_MAP_DDR_BASE_PHY config MTK_MEM_MAP_DDR_SIZE hex "DDR .size in mem_map" default 0x200000000 if TARGET_MT7987 || TARGET_MT7988 || TARGET_MT8188 || TARGET_MT8195 + default 0x100000000 if TARGET_MT8366 default 0xc0000000 if TARGET_MT8365 default 0x80000000 if TARGET_MT7981 || TARGET_MT7986 || TARGET_MT8183 default 0x40000000 if TARGET_MT7622 || TARGET_MT8512 @@ -207,7 +217,7 @@ 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_MT8189 || TARGET_MT8195 + default "media=emmc" if TARGET_MT8516 || TARGET_MT8365 || TARGET_MT8366 || TARGET_MT8183 || TARGET_MT8188 || TARGET_MT8189 || TARGET_MT8195 default "lk=1" if TARGET_MT7623 config MTK_BOOT_IMAGES diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach-mediatek/Makefile index 35f748a70d6..51bf5789bb5 100644 --- a/arch/arm/mach-mediatek/Makefile +++ b/arch/arm/mach-mediatek/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_TARGET_MT8188) += mt8188/ obj-$(CONFIG_TARGET_MT8189) += mt8189/ obj-$(CONFIG_TARGET_MT8195) += mt8195/ obj-$(CONFIG_TARGET_MT8365) += mt8365/ +obj-$(CONFIG_TARGET_MT8366) += mt8366/ obj-$(CONFIG_TARGET_MT8512) += mt8512/ obj-$(CONFIG_TARGET_MT8516) += mt8516/ obj-$(CONFIG_TARGET_MT8518) += mt8518/ diff --git a/arch/arm/mach-mediatek/cpu.c b/arch/arm/mach-mediatek/cpu.c index 56a41e42df6..04ede8823b0 100644 --- a/arch/arm/mach-mediatek/cpu.c +++ b/arch/arm/mach-mediatek/cpu.c @@ -39,7 +39,8 @@ void enable_caches(void) u32 mediatek_sip_part_name(void) { if (CONFIG_IS_ENABLED(TARGET_MT8188) || CONFIG_IS_ENABLED(TARGET_MT8189) || - CONFIG_IS_ENABLED(TARGET_MT8195) || CONFIG_IS_ENABLED(TARGET_MT8365)) { + CONFIG_IS_ENABLED(TARGET_MT8195) || CONFIG_IS_ENABLED(TARGET_MT8365) || + CONFIG_IS_ENABLED(TARGET_MT8366)) { struct arm_smccc_res res __maybe_unused; arm_smccc_smc(MTK_SIP_PLAT_BINFO, 0, 0, 0, 0, 0, 0, 0, &res); diff --git a/arch/arm/mach-mediatek/mt8366/Makefile b/arch/arm/mach-mediatek/mt8366/Makefile new file mode 100644 index 00000000000..661744a4398 --- /dev/null +++ b/arch/arm/mach-mediatek/mt8366/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only + +obj-y += init.o diff --git a/arch/arm/mach-mediatek/mt8366/init.c b/arch/arm/mach-mediatek/mt8366/init.c new file mode 100644 index 00000000000..13123be068e --- /dev/null +++ b/arch/arm/mach-mediatek/mt8366/init.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2026 Baylibre, SAS + * Copyright (C) 2026 MediaTek Inc. + * Author: Chris Chen <[email protected]> + */ + +#include <fdtdec.h> +#include <stdio.h> +#include <asm/global_data.h> +#include <asm/system.h> +#include <dm/uclass.h> +#include <linux/kernel.h> +#include <linux/sizes.h> +#include <wdt.h> + +#include "../cpu.h" + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + return fdtdec_setup_mem_size_base(); +} + +phys_addr_t board_get_usable_ram_top(phys_size_t total_size) +{ + /* + * Limit gd->ram_top not exceeding SZ_4G. Because some peripherals like + * MMC requires DMA buffer allocated below SZ_4G. + */ + return min(gd->ram_top, SZ_4G); +} + +void reset_cpu(void) +{ + if (CONFIG_IS_ENABLED(PSCI_RESET)) { + psci_system_reset(); + } else { + struct udevice *wdt; + + uclass_first_device(UCLASS_WDT, &wdt); + if (wdt) + wdt_expire_now(wdt, 0); + } +} + +int print_cpuinfo(void) +{ + u32 part = mediatek_sip_part_name(); + + if (part) + printf("CPU: MediaTek MT%.4x\n", part); + else + printf("CPU: MediaTek MT8366 series\n"); + + return 0; +} -- 2.43.0