Add support for Amlogic A1 SoC family.
Signed-off-by: Igor Prusov <ivpru...@sberdevices.ru>
Signed-off-by: Evgeny Bachinin <eabachi...@sberdevices.ru>
---
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 <ivpru...@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
--
2.34.1
