This patch adds basic support for MediaTek MT7981 SoC. This include the file that will initialize the SoC after boot and its device tree.
Signed-off-by: Weijie Gao weijie.gao@mediatek.com --- v2 changes: Sort include lines Add reference link for armv8_el2_to_aarch32 in lowlevel_init.S Remove print_cpuinfo and use cpu driver instead --- arch/arm/dts/mt7981.dtsi | 293 ++++++++++++++++++ arch/arm/mach-mediatek/Kconfig | 13 +- arch/arm/mach-mediatek/Makefile | 1 + arch/arm/mach-mediatek/mt7981/Makefile | 4 + arch/arm/mach-mediatek/mt7981/init.c | 45 +++ arch/arm/mach-mediatek/mt7981/lowlevel_init.S | 32 ++ 6 files changed, 387 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/mt7981.dtsi create mode 100644 arch/arm/mach-mediatek/mt7981/Makefile create mode 100644 arch/arm/mach-mediatek/mt7981/init.c create mode 100644 arch/arm/mach-mediatek/mt7981/lowlevel_init.S
diff --git a/arch/arm/dts/mt7981.dtsi b/arch/arm/dts/mt7981.dtsi new file mode 100644 index 0000000000..5d087ad52e --- /dev/null +++ b/arch/arm/dts/mt7981.dtsi @@ -0,0 +1,293 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Sam Shih sam.shih@mediatek.com + */ + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/clock/mt7981-clk.h> +#include <dt-bindings/reset/mt7629-reset.h> +#include <dt-bindings/pinctrl/mt65xx.h> + +/ { + compatible = "mediatek,mt7981"; + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + cpus { + #address-cells = <1>; + #size-cells = <0>; + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0>; + }; + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x1>; + }; + }; + + gpt_clk: gpt_dummy20m { + compatible = "fixed-clock"; + clock-frequency = <13000000>; + #clock-cells = <0>; + u-boot,dm-pre-reloc; + }; + + hwver: hwver { + compatible = "mediatek,hwver"; + reg = <0x8000000 0x1000>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&gic>; + clock-frequency = <13000000>; + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; + arm,cpu-registers-not-fw-configured; + }; + + timer0: timer@10008000 { + compatible = "mediatek,mt7986-timer"; + reg = <0x10008000 0x1000>; + interrupts = <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&gpt_clk>; + clock-names = "gpt-clk"; + u-boot,dm-pre-reloc; + }; + + watchdog: watchdog@1001c000 { + compatible = "mediatek,mt7986-wdt"; + reg = <0x1001c000 0x1000>; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; + #reset-cells = <1>; + status = "disabled"; + }; + + gic: interrupt-controller@c000000 { + compatible = "arm,gic-v3"; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + interrupt-controller; + reg = <0x0c000000 0x40000>, /* GICD */ + <0x0c080000 0x200000>; /* GICR */ + + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; + }; + + fixed_plls: apmixedsys@1001e000 { + compatible = "mediatek,mt7981-fixed-plls"; + reg = <0x1001e000 0x1000>; + #clock-cells = <1>; + u-boot,dm-pre-reloc; + }; + + topckgen: topckgen@1001b000 { + compatible = "mediatek,mt7981-topckgen"; + reg = <0x1001b000 0x1000>; + clock-parent = <&fixed_plls>; + #clock-cells = <1>; + u-boot,dm-pre-reloc; + }; + + infracfg_ao: infracfg_ao@10001000 { + compatible = "mediatek,mt7981-infracfg_ao"; + reg = <0x10001000 0x80>; + clock-parent = <&infracfg>; + #clock-cells = <1>; + u-boot,dm-pre-reloc; + }; + + infracfg: infracfg@10001000 { + compatible = "mediatek,mt7981-infracfg"; + reg = <0x10001000 0x30>; + clock-parent = <&topckgen>; + #clock-cells = <1>; + u-boot,dm-pre-reloc; + }; + + pinctrl: pinctrl@11d00000 { + compatible = "mediatek,mt7981-pinctrl"; + reg = <0x11d00000 0x1000>, + <0x11c00000 0x1000>, + <0x11c10000 0x1000>, + <0x11d20000 0x1000>, + <0x11e00000 0x1000>, + <0x11e20000 0x1000>, + <0x11f00000 0x1000>, + <0x11f10000 0x1000>, + <0x1000b000 0x1000>; + reg-names = "gpio_base", "iocfg_rt_base", "iocfg_rm_base", + "iocfg_rb_base", "iocfg_lb_base", "iocfg_bl_base", + "iocfg_tm_base", "iocfg_tl_base", "eint"; + gpio: gpio-controller { + gpio-controller; + #gpio-cells = <2>; + }; + }; + + pwm: pwm@10048000 { + compatible = "mediatek,mt7981-pwm"; + reg = <0x10048000 0x1000>; + #clock-cells = <1>; + #pwm-cells = <2>; + interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&infracfg CK_INFRA_PWM>, + <&infracfg_ao CK_INFRA_PWM_BSEL>, + <&infracfg_ao CK_INFRA_PWM1_CK>, + <&infracfg_ao CK_INFRA_PWM2_CK>, + /* FIXME */ + <&infracfg_ao CK_INFRA_PWM2_CK>; + assigned-clocks = <&topckgen CK_TOP_PWM_SEL>; + assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>; + clock-names = "top", "main", "pwm1", "pwm2", "pwm3"; + status = "disabled"; + }; + + uart0: serial@11002000 { + compatible = "mediatek,hsuart"; + reg = <0x11002000 0x400>; + interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&infracfg_ao CK_INFRA_UART0_CK>; + assigned-clocks = <&topckgen CK_TOP_UART_SEL>, + <&infracfg_ao CK_INFRA_UART0_SEL>; + assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>, + <&infracfg CK_INFRA_UART>; + mediatek,force-highspeed; + status = "disabled"; + u-boot,dm-pre-reloc; + }; + + uart1: serial@11003000 { + compatible = "mediatek,hsuart"; + reg = <0x11003000 0x400>; + interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&infracfg_ao CK_INFRA_UART1_CK>; + assigned-clocks = <&topckgen CK_TOP_UART_SEL>, + <&infracfg_ao CK_INFRA_UART1_SEL>; + assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>, + <&infracfg CK_INFRA_UART>; + mediatek,force-highspeed; + status = "disabled"; + }; + + uart2: serial@11004000 { + compatible = "mediatek,hsuart"; + reg = <0x11004000 0x400>; + interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&infracfg_ao CK_INFRA_UART2_CK>; + assigned-clocks = <&topckgen CK_TOP_UART_SEL>, + <&infracfg_ao CK_INFRA_UART2_SEL>; + assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>, + <&infracfg CK_INFRA_UART>; + mediatek,force-highspeed; + status = "disabled"; + }; + + snand: snand@11005000 { + compatible = "mediatek,mt7986-snand"; + reg = <0x11005000 0x1000>, + <0x11006000 0x1000>; + reg-names = "nfi", "ecc"; + clocks = <&infracfg_ao CK_INFRA_SPINFI1_CK>, + <&infracfg_ao CK_INFRA_NFI1_CK>, + <&infracfg_ao CK_INFRA_NFI_HCK_CK>; + clock-names = "pad_clk", "nfi_clk", "nfi_hclk"; + assigned-clocks = <&topckgen CK_TOP_SPINFI_SEL>, + <&topckgen CK_TOP_NFI1X_SEL>; + assigned-clock-parents = <&topckgen CK_TOP_CB_M_D8>, + <&topckgen CK_TOP_CB_M_D8>; + status = "disabled"; + }; + + ethsys: syscon@15000000 { + compatible = "mediatek,mt7981-ethsys", "syscon"; + reg = <0x15000000 0x1000>; + clock-parent = <&topckgen>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + eth: ethernet@15100000 { + compatible = "mediatek,mt7981-eth", "syscon"; + reg = <0x15100000 0x20000>; + resets = <ðsys ETHSYS_FE_RST>; + reset-names = "fe"; + mediatek,ethsys = <ðsys>; + mediatek,sgmiisys = <&sgmiisys0>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + sgmiisys0: syscon@10060000 { + compatible = "mediatek,mt7986-sgmiisys", "syscon"; + reg = <0x10060000 0x1000>; + pn_swap; + #clock-cells = <1>; + }; + + sgmiisys1: syscon@10070000 { + compatible = "mediatek,mt7986-sgmiisys", "syscon"; + reg = <0x10070000 0x1000>; + #clock-cells = <1>; + }; + + spi0: spi@1100a000 { + compatible = "mediatek,ipm-spi"; + reg = <0x1100a000 0x100>; + clocks = <&infracfg_ao CK_INFRA_SPI0_CK>, + <&topckgen CK_TOP_SPI_SEL>; + assigned-clocks = <&topckgen CK_TOP_SPI_SEL>, + <&infracfg CK_INFRA_SPI0_SEL>; + assigned-clock-parents = <&topckgen CK_TOP_CB_M_D2>, + <&topckgen CK_INFRA_ISPI0>; + clock-names = "sel-clk", "spi-clk"; + interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>; + status = "disabled"; + }; + + spi1: spi@1100b000 { + compatible = "mediatek,ipm-spi"; + reg = <0x1100b000 0x100>; + interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>; + status = "disabled"; + }; + + spi2: spi@11009000 { + compatible = "mediatek,ipm-spi"; + reg = <0x11009000 0x100>; + clocks = <&infracfg_ao CK_INFRA_SPI0_CK>, + <&topckgen CK_TOP_SPI_SEL>; + assigned-clocks = <&topckgen CK_TOP_SPI_SEL>, + <&infracfg CK_INFRA_SPI0_SEL>; + assigned-clock-parents = <&topckgen CK_TOP_CB_M_D2>, + <&topckgen CK_INFRA_ISPI0>; + clock-names = "sel-clk", "spi-clk"; + interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>; + status = "disabled"; + }; + + mmc0: mmc@11230000 { + compatible = "mediatek,mt7981-mmc"; + reg = <0x11230000 0x1000>, + <0x11C20000 0x1000>; + interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&topckgen CK_TOP_EMMC_400M>, + <&topckgen CK_TOP_EMMC_208M>, + <&infracfg_ao CK_INFRA_MSDC_CK>; + assigned-clocks = <&topckgen CK_TOP_EMMC_400M_SEL>, + <&topckgen CK_TOP_EMMC_208M_SEL>; + assigned-clock-parents = <&topckgen CK_TOP_CB_NET2_D2>, + <&topckgen CK_TOP_CB_M_D2>; + clock-names = "source", "hclk", "source_cg"; + status = "disabled"; + }; + +}; diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig index 82fadeba8a..04aa2fd97f 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -40,6 +40,15 @@ config TARGET_MT7629 including DDR3, crypto engine, 3x3 11n/ac Wi-Fi, Gigabit Ethernet, switch, USB3.0, PCIe, UART, SPI, I2C and PWM.
+config TARGET_MT7981 + bool "MediaTek MT7981 SoC" + select ARM64 + select CPU + help + The MediaTek MT7981 is a ARM64-based SoC with a dual-core Cortex-A53. + including UART, SPI, USB, NAND, SNFI, PWM, Gigabit Ethernet, I2C, + built-in Wi-Fi, and PCIe. + config TARGET_MT7986 bool "MediaTek MT7986 SoC" select ARM64 @@ -93,6 +102,7 @@ config SYS_BOARD default "mt7622" if TARGET_MT7622 default "mt7623" if TARGET_MT7623 default "mt7629" if TARGET_MT7629 + default "mt7981" if TARGET_MT7981 default "mt7986" if TARGET_MT7986 default "mt8183" if TARGET_MT8183 default "mt8512" if TARGET_MT8512 @@ -109,6 +119,7 @@ config SYS_CONFIG_NAME default "mt7622" if TARGET_MT7622 default "mt7623" if TARGET_MT7623 default "mt7629" if TARGET_MT7629 + default "mt7981" if TARGET_MT7981 default "mt7986" if TARGET_MT7986 default "mt8183" if TARGET_MT8183 default "mt8512" if TARGET_MT8512 @@ -124,7 +135,7 @@ config MTK_BROM_HEADER_INFO string default "media=nor" if TARGET_MT8518 || TARGET_MT8512 || TARGET_MT7629 || TARGET_MT7622 default "media=emmc" if TARGET_MT8516 || TARGET_MT8365 || TARGET_MT8183 - default "media=snand;nandinfo=2k+64" if TARGET_MT7986 + default "media=snand;nandinfo=2k+64" if TARGET_MT7981 || TARGET_MT7986 default "lk=1" if TARGET_MT7623
endif diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach-mediatek/Makefile index fe5c3a837c..fc85293f71 100644 --- a/arch/arm/mach-mediatek/Makefile +++ b/arch/arm/mach-mediatek/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_MT8512) += mt8512/ obj-$(CONFIG_TARGET_MT7622) += mt7622/ obj-$(CONFIG_TARGET_MT7623) += mt7623/ obj-$(CONFIG_TARGET_MT7629) += mt7629/ +obj-$(CONFIG_TARGET_MT7981) += mt7981/ obj-$(CONFIG_TARGET_MT7986) += mt7986/ obj-$(CONFIG_TARGET_MT8183) += mt8183/ obj-$(CONFIG_TARGET_MT8516) += mt8516/ diff --git a/arch/arm/mach-mediatek/mt7981/Makefile b/arch/arm/mach-mediatek/mt7981/Makefile new file mode 100644 index 0000000000..007eb4a367 --- /dev/null +++ b/arch/arm/mach-mediatek/mt7981/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 + +obj-y += init.o +obj-y += lowlevel_init.o diff --git a/arch/arm/mach-mediatek/mt7981/init.c b/arch/arm/mach-mediatek/mt7981/init.c new file mode 100644 index 0000000000..4f77a3defb --- /dev/null +++ b/arch/arm/mach-mediatek/mt7981/init.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2022 MediaTek Inc. + * Author: Sam Shih sam.shih@mediatek.com + */ + +#include <init.h> +#include <asm/armv8/mmu.h> +#include <asm/system.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, SZ_2G); + + return 0; +} + +void reset_cpu(ulong addr) +{ + psci_system_reset(); +} + +static struct mm_region mt7981_mem_map[] = { + { + /* DDR */ + .virt = 0x40000000UL, + .phys = 0x40000000UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE, + }, { + .virt = 0x00000000UL, + .phys = 0x00000000UL, + .size = 0x40000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + 0, + } +}; + +struct mm_region *mem_map = mt7981_mem_map; diff --git a/arch/arm/mach-mediatek/mt7981/lowlevel_init.S b/arch/arm/mach-mediatek/mt7981/lowlevel_init.S new file mode 100644 index 0000000000..85a1cea359 --- /dev/null +++ b/arch/arm/mach-mediatek/mt7981/lowlevel_init.S @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2022 MediaTek Inc. + * Author: Sam Shih sam.shih@mediatek.com + */ + +/* + * Switch from AArch64 EL2 to AArch32 EL2 + * @param inputs: + * x0: argument, zero + * x1: machine nr + * x2: fdt address + * x3: input argument + * x4: kernel entry point + * @param outputs for secure firmware: + * x0: function id + * x1: kernel entry point + * x2: machine nr + * x3: fdt address + * + * [1] https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/tree/plat/mediat... +*/ + +.global armv8_el2_to_aarch32 +armv8_el2_to_aarch32: + mov x3, x2 + mov x2, x1 + mov x1, x4 + mov x4, #0 + ldr x0, =0x82000200 /* MTK_SIP_KERNEL_BOOT_AARCH32 */ + SMC #0 + ret