From 13e89d752200d5559dad29156a71aac689c5fa2e Mon Sep 17 00:00:00 2001 From: mingming lee Date: Thu, 7 Nov 2019 19:28:40 +0800 Subject: ARM: MediaTek: Add support for MediaTek MT8518 SoC Add support for MediaTek MT8518 SoC. This include the file that will initialize the SoC after boot and its device tree. Signed-off-by: mingming lee --- arch/arm/mach-mediatek/Kconfig | 9 ++++ arch/arm/mach-mediatek/Makefile | 1 + arch/arm/mach-mediatek/mt8518/Makefile | 4 ++ arch/arm/mach-mediatek/mt8518/init.c | 71 +++++++++++++++++++++++++++ arch/arm/mach-mediatek/mt8518/lowlevel_init.S | 32 ++++++++++++ 5 files changed, 117 insertions(+) create mode 100644 arch/arm/mach-mediatek/mt8518/Makefile create mode 100644 arch/arm/mach-mediatek/mt8518/init.c create mode 100644 arch/arm/mach-mediatek/mt8518/lowlevel_init.S (limited to 'arch/arm/mach-mediatek') diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig index 25ef7651f0..8e343c3182 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -38,6 +38,15 @@ config TARGET_MT8516 Ethernet, IR TX/RX, I2C, I2S, S/PDIF, and built-in Wi-Fi / Bluetooth combo chip and several DDR3 and DDR4 options. +config TARGET_MT8518 + bool "MediaTek MT8518 SoC" + select ARM64 + help + The MediaTek MT8518 is a ARM64-based SoC with a quad-core Cortex-A53. + including UART, SPI, USB2.0 and OTG, SD and MMC cards, NAND, PWM, + Ethernet, IR TX/RX, I2C, I2S, S/PDIF, and built-in Wi-Fi / Bluetooth combo + chip and several DDR3 and DDR4 options. + endchoice source "board/mediatek/mt7623/Kconfig" diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach-mediatek/Makefile index ea414dc407..b9b2355e03 100644 --- a/arch/arm/mach-mediatek/Makefile +++ b/arch/arm/mach-mediatek/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_SPL_BUILD) += spl.o obj-$(CONFIG_TARGET_MT7623) += mt7623/ obj-$(CONFIG_TARGET_MT7629) += mt7629/ obj-$(CONFIG_TARGET_MT8516) += mt8516/ +obj-$(CONFIG_TARGET_MT8518) += mt8518/ diff --git a/arch/arm/mach-mediatek/mt8518/Makefile b/arch/arm/mach-mediatek/mt8518/Makefile new file mode 100644 index 0000000000..007eb4a367 --- /dev/null +++ b/arch/arm/mach-mediatek/mt8518/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/mt8518/init.c b/arch/arm/mach-mediatek/mt8518/init.c new file mode 100644 index 0000000000..5a97c8cb26 --- /dev/null +++ b/arch/arm/mach-mediatek/mt8518/init.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Configuration for MediaTek MT8518 SoC + * + * Copyright (C) 2019 MediaTek Inc. + * Author: Mingming Lee + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + int ret; + + ret = fdtdec_setup_memory_banksize(); + if (ret) + return ret; + + return fdtdec_setup_mem_size_base(); +} + +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) +{ + psci_system_reset(); +} + +int print_cpuinfo(void) +{ + printf("CPU: MediaTek MT8518\n"); + return 0; +} + +static struct mm_region mt8518_mem_map[] = { + { + /* DDR */ + .virt = 0x40000000UL, + .phys = 0x40000000UL, + .size = 0x20000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE, + }, { + .virt = 0x00000000UL, + .phys = 0x00000000UL, + .size = 0x20000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + 0, + } +}; + +struct mm_region *mem_map = mt8518_mem_map; diff --git a/arch/arm/mach-mediatek/mt8518/lowlevel_init.S b/arch/arm/mach-mediatek/mt8518/lowlevel_init.S new file mode 100644 index 0000000000..ad392120f4 --- /dev/null +++ b/arch/arm/mach-mediatek/mt8518/lowlevel_init.S @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2019 MediaTek Inc. + * Author: Mingming Lee + */ + +/* + * 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 +*/ +.global armv8_el2_to_aarch32 +armv8_el2_to_aarch32: + mov x3, x2 + mov x2, x1 + mov x1, x4 + mov x4, #0 + /* Define in src\bsp\trustzone\atf\v1.2\ */ + /* mt8xxx\plat\mediatek\common\sip_svc.h */ + /* MTK_SIP_KERNEL_BOOT_AARCH64 for U-BOOT-64 to KERNEL*/ + ldr x0, =0xC2000200 + SMC #0 + ret -- cgit v1.2.3