Add support for Amlogic A1 SoC family.
Signed-off-by: Igor Prusov ivprusov@sberdevices.ru Signed-off-by: Evgeny Bachinin eabachinin@sberdevices.ru Reviewed-by: Neil Armstrong neil.armstrong@linaro.org --- arch/arm/include/asm/arch-meson/a1.h | 20 ++++++++++ arch/arm/mach-meson/Kconfig | 6 +++ arch/arm/mach-meson/Makefile | 1 + arch/arm/mach-meson/board-a1.c | 59 ++++++++++++++++++++++++++++ include/configs/meson64.h | 3 ++ 5 files changed, 89 insertions(+) create mode 100644 arch/arm/include/asm/arch-meson/a1.h create mode 100644 arch/arm/mach-meson/board-a1.c
diff --git a/arch/arm/include/asm/arch-meson/a1.h b/arch/arm/include/asm/arch-meson/a1.h new file mode 100644 index 0000000000..86d1a68de8 --- /dev/null +++ b/arch/arm/include/asm/arch-meson/a1.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2023 SberDevices, Inc. + * Author: Igor Prusov ivprusov@sberdevices.ru + */ + +#ifndef __MESON_A1_H__ +#define __MESON_A1_H__ + +#define A1_SYSCTRL_BASE 0xfe005800 + +/* SYSCTRL registers */ +#define A1_SYSCTRL_ADDR(off) (A1_SYSCTRL_BASE + ((off) << 2)) + +#define A1_SYSCTRL_SEC_STATUS_REG4 A1_SYSCTRL_ADDR(0xc4) + +#define A1_SYSCTRL_MEM_SIZE_MASK 0xFFFF0000 +#define A1_SYSCTRL_MEM_SIZE_SHIFT 16 + +#endif /* __MESON_A1_H__ */ diff --git a/arch/arm/mach-meson/Kconfig b/arch/arm/mach-meson/Kconfig index 6cba2c40dd..519ed563c0 100644 --- a/arch/arm/mach-meson/Kconfig +++ b/arch/arm/mach-meson/Kconfig @@ -51,6 +51,12 @@ config MESON_G12A help Select this if your SoC is an S905X/D2
+config MESON_A1 + bool "A1" + select MESON64_COMMON + help + Select this if your SoC is an A113L + endchoice
config SYS_SOC diff --git a/arch/arm/mach-meson/Makefile b/arch/arm/mach-meson/Makefile index a9e4046f80..535b0878b9 100644 --- a/arch/arm/mach-meson/Makefile +++ b/arch/arm/mach-meson/Makefile @@ -6,3 +6,4 @@ obj-y += board-common.o sm.o board-info.o obj-$(CONFIG_MESON_GX) += board-gx.o obj-$(CONFIG_MESON_AXG) += board-axg.o obj-$(CONFIG_MESON_G12A) += board-g12a.o +obj-$(CONFIG_MESON_A1) += board-a1.o diff --git a/arch/arm/mach-meson/board-a1.c b/arch/arm/mach-meson/board-a1.c new file mode 100644 index 0000000000..967bb67182 --- /dev/null +++ b/arch/arm/mach-meson/board-a1.c @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2023 SberDevices, Inc. + */ + +#include <common.h> +#include <asm/arch/a1.h> +#include <asm/arch/boot.h> +#include <asm/armv8/mmu.h> +#include <asm/io.h> +#include <linux/compiler.h> +#include <linux/sizes.h> + +phys_size_t get_effective_memsize(void) +{ + return ((readl(A1_SYSCTRL_SEC_STATUS_REG4) & A1_SYSCTRL_MEM_SIZE_MASK) + >> A1_SYSCTRL_MEM_SIZE_SHIFT) * SZ_1M; +} + +void meson_init_reserved_memory(__maybe_unused void *fdt) +{ +} + +int meson_get_boot_device(void) +{ + return -ENOSYS; +} + +static struct mm_region a1_mem_map[] = { + { + .virt = 0x00000000UL, + .phys = 0x00000000UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0x80000000UL, + .phys = 0x80000000UL, + .size = 0x7FE00000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + /* + * This mem region contains in/out shared memory with bl31, + * hence it's marked as NORMAL memory type + */ + .virt = 0xFFE00000UL, + .phys = 0xFFE00000UL, + .size = 0x00200000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = a1_mem_map; diff --git a/include/configs/meson64.h b/include/configs/meson64.h index 9244601284..801cdae470 100644 --- a/include/configs/meson64.h +++ b/include/configs/meson64.h @@ -11,6 +11,9 @@ #if (defined(CONFIG_MESON_AXG) || defined(CONFIG_MESON_G12A)) #define GICD_BASE 0xffc01000 #define GICC_BASE 0xffc02000 +#elif defined(CONFIG_MESON_A1) +#define GICD_BASE 0xff901000 +#define GICC_BASE 0xff902000 #else /* MESON GXL and GXBB */ #define GICD_BASE 0xc4301000 #define GICC_BASE 0xc4302000