From: Magnus Damm <d...@opensource.se> Add initial RZ/A2 GR-Peach board support. Serial console and Ethernet are known to work however on-board SDRAM is not yet enabled.
Signed-off-by: Magnus Damm <d...@opensource.se> --- Changes since v2: - new patch Please pick DT board file from the following patch in series: [PATCH 5/6] ARM: dts: renesas: gr-mango: initial board support https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=979368 arch/arm/dts/Makefile | 3 ++ arch/arm/dts/r7s9210-gr-mango-u-boot.dtsi | 28 ++++++++++++++++++++ arch/arm/mach-renesas/Kconfig.rza2 | 13 +++++++++ board/renesas/grmango/Kconfig | 12 ++++++++ board/renesas/grmango/MAINTAINERS | 5 +++ board/renesas/grmango/Makefile | 7 +++++ board/renesas/grmango/grmango.c | 40 +++++++++++++++++++++++++++++ configs/grmango_defconfig | 10 +++++++ include/configs/grmango.h | 15 ++++++++++ 9 files changed, 133 insertions(+) --- 0020/arch/arm/dts/Makefile +++ work/arch/arm/dts/Makefile 2025-07-05 18:10:31.000000000 +0900 @@ -927,6 +927,9 @@ dtb-$(CONFIG_RZA1) += \ r7s72100-genmai.dtb \ r7s72100-gr-peach.dtb +dtb-$(CONFIG_RZA2) += \ + r7s9210-gr-mango.dtb + dtb-$(CONFIG_TARGET_AT91SAM9261EK) += at91sam9261ek.dtb dtb-$(CONFIG_TARGET_PM9261) += at91sam9261ek.dtb --- /dev/null +++ work/arch/arm/dts/r7s9210-gr-mango-u-boot.dtsi 2025-07-05 18:10:32.845452021 +0900 @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source extras for U-Boot for the GR Mango board + * Based on GR Peach, Copyright (C) 2019 Marek Vasut <marek.va...@gmail.com> + */ + +/ { + soc { + bootph-all; + }; +}; + +&ostm0 { + bootph-all; +}; + +&pinctrl { + bootph-all; +}; + +&scif0 { + bootph-all; + clock = <66666666>; /* ToDo: Replace by DM clock driver */ +}; + +&scif0_pins { + bootph-all; +}; --- 0020/arch/arm/mach-renesas/Kconfig.rza2 +++ work/arch/arm/mach-renesas/Kconfig.rza2 2025-07-05 18:10:31.000000000 +0900 @@ -4,4 +4,17 @@ config CPU_RZA2 bool default y +choice + prompt "Renesas RZ/A2 board select" + +# Renesas Supported Boards +config TARGET_GRMANGO + bool "GR-MANGO board" + +endchoice + +# Renesas Supported Boards +source "board/renesas/grmango/Kconfig" + + endif --- /dev/null +++ work/board/renesas/grmango/Kconfig 2025-07-05 18:10:32.859452100 +0900 @@ -0,0 +1,12 @@ +if TARGET_GRMANGO + +config SYS_BOARD + default "grmango" + +config SYS_VENDOR + default "renesas" + +config SYS_CONFIG_NAME + default "grmango" + +endif --- /dev/null +++ work/board/renesas/grmango/MAINTAINERS 2025-07-05 18:10:32.867452146 +0900 @@ -0,0 +1,5 @@ +GRMANGO BOARD +M: Magnus Damm <d...@opensource.se> +F: arch/arm/dts/r7s9210* +F: board/renesas/grmango/ +N: grmango --- /dev/null +++ work/board/renesas/grmango/Makefile 2025-07-05 18:10:32.874452185 +0900 @@ -0,0 +1,7 @@ +# +# Copyright (C) 2018 Renesas Electronics +# Copyright (C) 2018 Chris Brandt +# +# SPDX-License-Identifier: GPL-2.0+ + +obj-y := grmango.o --- /dev/null +++ work/board/renesas/grmango/grmango.c 2025-07-05 19:42:53.297553497 +0900 @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017 Renesas Electronics + * Copyright (C) Chris Brandt + */ + +#include <init.h> +#include <linux/io.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_init(void) +{ + gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100; + + /* configure PFENET register to use MII for Ethernet */ + writeb(0x00, 0xfcffe2ff); + writeb(0x40, 0xfcffe2ff); + writeb(0x02, 0xfcffe820); + return 0; +} + +/* + * Make use of the RZ/A2M on-chip memory which is 4 MiB at CFG_SYS_SDRAM_BASE. + */ + +int dram_init(void) +{ + gd->ram_base = CFG_SYS_SDRAM_BASE; + gd->ram_size = 4 << 20; + return 0; +} + +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; +} --- /dev/null +++ work/configs/grmango_defconfig 2025-07-05 18:10:32.888452265 +0900 @@ -0,0 +1,10 @@ +#include <configs/renesas_rza2.config> + +CONFIG_ARM=y +CONFIG_ARCH_RENESAS=y +CONFIG_TEXT_BASE=0x00000000 +CONFIG_POSITION_INDEPENDENT=y +CONFIG_DEFAULT_DEVICE_TREE="renesas/r7s9210-gr-mango" +CONFIG_TARGET_GRMANGO=y + +CONFIG_ENV_IS_NOWHERE=y --- /dev/null +++ work/include/configs/grmango.h 2025-07-05 18:10:32.894452299 +0900 @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Configuration settings for the Renesas GRMANGO board + * + * Copyright (C) 2017-2019 Renesas Electronics + */ + +#ifndef __GRMANGO_H +#define __GRMANGO_H + +/* Internal RAM Size: RZ/A2M = 4MB */ +#define CFG_SYS_SDRAM_BASE 0x80000000 +#define CFG_SYS_SDRAM_SIZE (4 * 1024 * 1024) + +#endif /* __GRMANGO_H */
