[PATCH v2 1/6] airoha: Add initial support for Airoha AN7581 SoC
Christian Marangi
ansuelsmth at gmail.com
Fri Mar 14 19:59:21 CET 2025
Add initial support for Airoha AN7581 SoC. This adds the initial Kconfig
and Makefile entry for the SoC, an U-Boot specific DTSI and initial config
for it. Also add the initial code for CPU and RAM initialization.
Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
arch/arm/Kconfig | 9 ++++
arch/arm/Makefile | 1 +
arch/arm/dts/an7581-u-boot.dtsi | 18 +++++++
arch/arm/dts/en7581-evb-u-boot.dtsi | 11 ++++
arch/arm/mach-airoha/Kconfig | 32 ++++++++++++
arch/arm/mach-airoha/Makefile | 5 ++
arch/arm/mach-airoha/an7581/Makefile | 3 ++
arch/arm/mach-airoha/an7581/init.c | 47 +++++++++++++++++
arch/arm/mach-airoha/cpu.c | 20 +++++++
board/airoha/an7581/MAINTAINERS | 5 ++
board/airoha/an7581/Makefile | 3 ++
board/airoha/an7581/an7581_rfb.c | 16 ++++++
configs/an7581_evb_defconfig | 78 ++++++++++++++++++++++++++++
include/configs/an7581.h | 19 +++++++
14 files changed, 267 insertions(+)
create mode 100644 arch/arm/dts/an7581-u-boot.dtsi
create mode 100644 arch/arm/dts/en7581-evb-u-boot.dtsi
create mode 100644 arch/arm/mach-airoha/Kconfig
create mode 100644 arch/arm/mach-airoha/Makefile
create mode 100644 arch/arm/mach-airoha/an7581/Makefile
create mode 100644 arch/arm/mach-airoha/an7581/init.c
create mode 100644 arch/arm/mach-airoha/cpu.c
create mode 100644 board/airoha/an7581/MAINTAINERS
create mode 100644 board/airoha/an7581/Makefile
create mode 100644 board/airoha/an7581/an7581_rfb.c
create mode 100644 configs/an7581_evb_defconfig
create mode 100644 include/configs/an7581.h
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index da6f1174934..4729ac39257 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -600,6 +600,13 @@ choice
prompt "Target select"
default TARGET_HIKEY
+config ARCH_AIROHA
+ bool "Airoha SoCs"
+ select DM
+ select OF_CONTROL
+ help
+ Support for the Airoha soc.
+
config ARCH_AT91
bool "Atmel AT91"
select GPIO_EXTRA_HEADER
@@ -2251,6 +2258,8 @@ config SYS_KWD_CONFIG
Path within the source directory to the kwbimage.cfg file to use
when packaging the U-Boot image for use.
+source "arch/arm/mach-airoha/Kconfig"
+
source "arch/arm/mach-apple/Kconfig"
source "arch/arm/mach-aspeed/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 7334e79965f..5ecadb2ef1b 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -51,6 +51,7 @@ PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
# Machine directory name. This list is sorted alphanumerically
# by CONFIG_* macro name.
+machine-$(CONFIG_ARCH_AIROHA) += airoha
machine-$(CONFIG_ARCH_APPLE) += apple
machine-$(CONFIG_ARCH_ASPEED) += aspeed
machine-$(CONFIG_ARCH_AT91) += at91
diff --git a/arch/arm/dts/an7581-u-boot.dtsi b/arch/arm/dts/an7581-u-boot.dtsi
new file mode 100644
index 00000000000..0316b73f3a5
--- /dev/null
+++ b/arch/arm/dts/an7581-u-boot.dtsi
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/ {
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ atf-reserved-memory at 80000000 {
+ no-map;
+ reg = <0x0 0x80000000 0x0 0x40000>;
+ };
+ };
+};
+
+&uart1 {
+ bootph-all;
+};
diff --git a/arch/arm/dts/en7581-evb-u-boot.dtsi b/arch/arm/dts/en7581-evb-u-boot.dtsi
new file mode 100644
index 00000000000..ebd3b8b4958
--- /dev/null
+++ b/arch/arm/dts/en7581-evb-u-boot.dtsi
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/ {
+ /* When running as a first-stage bootloader this isn't filled in automatically */
+ memory at 80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x0 0x20000000>;
+ };
+};
+
+#include "an7581-u-boot.dtsi"
diff --git a/arch/arm/mach-airoha/Kconfig b/arch/arm/mach-airoha/Kconfig
new file mode 100644
index 00000000000..be3562ae3ff
--- /dev/null
+++ b/arch/arm/mach-airoha/Kconfig
@@ -0,0 +1,32 @@
+if ARCH_AIROHA
+
+config SYS_VENDOR
+ default "airoha"
+
+choice
+ prompt "Airoha board select"
+
+config TARGET_AN7581
+ bool "Airoha AN7581 SoC"
+ select ARM64
+ help
+ The Airoha EN7581 is a ARM-based SoC with a quad-core Cortex-A7
+ including NEON and GPU, Mali-450 graphics, several DDR3 options,
+ crypto engine, built-in Wi-Fi / Bluetooth combo chip, JPEG decoder,
+ video interfaces supporting HDMI and MIPI, and video codec support.
+ Peripherals include Gigabit Ethernet, switch, USB3.0 and OTG, PCIe,
+ I2S, PCM, S/PDIF, UART, SPI, I2C, IR TX/RX, and PWM.
+
+endchoice
+
+config SYS_SOC
+ default "an7581" if TARGET_AN7581
+
+config SYS_BOARD
+ default "an7581" if TARGET_AN7581
+
+config SYS_CONFIG_NAME
+ default "an7581" if TARGET_AN7581
+
+endif
+
diff --git a/arch/arm/mach-airoha/Makefile b/arch/arm/mach-airoha/Makefile
new file mode 100644
index 00000000000..215a300373b
--- /dev/null
+++ b/arch/arm/mach-airoha/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += cpu.o
+
+obj-$(CONFIG_TARGET_AN7581) += an7581/
diff --git a/arch/arm/mach-airoha/an7581/Makefile b/arch/arm/mach-airoha/an7581/Makefile
new file mode 100644
index 00000000000..886ab7e4eb9
--- /dev/null
+++ b/arch/arm/mach-airoha/an7581/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += init.o
diff --git a/arch/arm/mach-airoha/an7581/init.c b/arch/arm/mach-airoha/an7581/init.c
new file mode 100644
index 00000000000..cefe9c6db9e
--- /dev/null
+++ b/arch/arm/mach-airoha/an7581/init.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <fdtdec.h>
+#include <init.h>
+#include <asm/armv8/mmu.h>
+#include <asm/system.h>
+
+int print_cpuinfo(void)
+{
+ printf("CPU: Airoha AN7581\n");
+ return 0;
+}
+
+int dram_init(void)
+{
+ return fdtdec_setup_mem_size_base();
+}
+
+int dram_init_banksize(void)
+{
+ return fdtdec_setup_memory_banksize();
+}
+
+void reset_cpu(ulong addr)
+{
+ psci_system_reset();
+}
+
+static struct mm_region an7581_mem_map[] = {
+ {
+ /* DDR */
+ .virt = 0x80000000UL,
+ .phys = 0x80000000UL,
+ .size = 0x80000000UL,
+ .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 = an7581_mem_map;
diff --git a/arch/arm/mach-airoha/cpu.c b/arch/arm/mach-airoha/cpu.c
new file mode 100644
index 00000000000..a578e964664
--- /dev/null
+++ b/arch/arm/mach-airoha/cpu.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <cpu_func.h>
+#include <dm.h>
+#include <init.h>
+#include <wdt.h>
+#include <dm/uclass-internal.h>
+
+int arch_cpu_init(void)
+{
+ icache_enable();
+
+ return 0;
+}
+
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
diff --git a/board/airoha/an7581/MAINTAINERS b/board/airoha/an7581/MAINTAINERS
new file mode 100644
index 00000000000..28ec2fbf2ea
--- /dev/null
+++ b/board/airoha/an7581/MAINTAINERS
@@ -0,0 +1,5 @@
+AN7581
+M: Christian Marangi <ansuelsmth at gmail.com>
+S: Maintained
+N: airoha
+N: an7581
diff --git a/board/airoha/an7581/Makefile b/board/airoha/an7581/Makefile
new file mode 100644
index 00000000000..70f8db7bce9
--- /dev/null
+++ b/board/airoha/an7581/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += an7581_rfb.o
diff --git a/board/airoha/an7581/an7581_rfb.c b/board/airoha/an7581/an7581_rfb.c
new file mode 100644
index 00000000000..aa73679d929
--- /dev/null
+++ b/board/airoha/an7581/an7581_rfb.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Author: Christian Marangi <ansuelsmth at gmail.com>
+ */
+
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
+
+ return 0;
+}
diff --git a/configs/an7581_evb_defconfig b/configs/an7581_evb_defconfig
new file mode 100644
index 00000000000..f09b5b603a2
--- /dev/null
+++ b/configs/an7581_evb_defconfig
@@ -0,0 +1,78 @@
+CONFIG_ARM=y
+CONFIG_ARCH_AIROHA=y
+CONFIG_TEXT_BASE=0x81E00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x4000
+CONFIG_ENV_OFFSET=0x7c000
+CONFIG_DM_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="airoha/en7581-evb"
+CONFIG_DM_RESET=y
+CONFIG_SYS_LOAD_ADDR=0x81800000
+CONFIG_BUILD_TARGET="u-boot.bin"
+# CONFIG_EFI_LOADER is not set
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_BOOTDELAY=3
+CONFIG_DEFAULT_FDT_FILE="en7581-evb"
+CONFIG_SYS_PBSIZE=1049
+CONFIG_SYS_CONSOLE_IS_IN_ENV=y
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_SYS_MAXARGS=8
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_BOOTMENU=y
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_XIMG is not set
+CONFIG_CMD_BIND=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_SPI=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PING=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_CMD_LOG=y
+CONFIG_OF_UPSTREAM=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_DMA=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_MMC_HS200_SUPPORT=y
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_MTD_SPI_NAND=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH_EON=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_ISSI=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_PHYLIB=y
+CONFIG_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_RAM=y
+CONFIG_DM_SERIAL=y
+CONFIG_SYS_NS16550=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_SHA512=y
diff --git a/include/configs/an7581.h b/include/configs/an7581.h
new file mode 100644
index 00000000000..64f04c9d9a5
--- /dev/null
+++ b/include/configs/an7581.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Configuration for Airoha AN7581
+ */
+
+#ifndef __AN7581_H
+#define __AN7581_H
+
+#include <linux/sizes.h>
+
+#define CFG_SYS_UBOOT_BASE CONFIG_TEXT_BASE
+
+#define CFG_SYS_INIT_RAM_ADDR CONFIG_TEXT_BASE
+#define CFG_SYS_INIT_RAM_SIZE SZ_2M
+
+/* DRAM */
+#define CFG_SYS_SDRAM_BASE 0x80000000
+
+#endif
--
2.48.1
More information about the U-Boot
mailing list