diff options
| -rw-r--r-- | arch/arm/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/dts/r7s72100-genmai-u-boot.dtsi | 32 | ||||
| -rw-r--r-- | arch/arm/mach-renesas/Kconfig.rza1 | 4 | ||||
| -rw-r--r-- | board/renesas/genmai/Kconfig | 12 | ||||
| -rw-r--r-- | board/renesas/genmai/MAINTAINERS | 5 | ||||
| -rw-r--r-- | board/renesas/genmai/Makefile | 7 | ||||
| -rw-r--r-- | board/renesas/genmai/genmai.c | 49 | ||||
| -rw-r--r-- | configs/genmai_defconfig | 17 | ||||
| -rw-r--r-- | include/configs/genmai.h | 15 |
9 files changed, 142 insertions, 0 deletions
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 10404ce076e..17795f8f746 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -924,6 +924,7 @@ dtb-$(CONFIG_ARCH_IMXRT) += imxrt1020-evk.dtb \ imxrt1170-evk.dtb \ dtb-$(CONFIG_RZA1) += \ + r7s72100-genmai.dtb \ r7s72100-gr-peach.dtb dtb-$(CONFIG_TARGET_AT91SAM9261EK) += at91sam9261ek.dtb diff --git a/arch/arm/dts/r7s72100-genmai-u-boot.dtsi b/arch/arm/dts/r7s72100-genmai-u-boot.dtsi new file mode 100644 index 00000000000..782ebfea2fb --- /dev/null +++ b/arch/arm/dts/r7s72100-genmai-u-boot.dtsi @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source extras for U-Boot for the Genmai board + * Based on GR Peach, Copyright (C) 2019 Marek Vasut <marek.vasut@gmail.com> + */ + +/ { + soc { + bootph-all; + }; +}; + +&bsc { + bootph-all; +}; + +&ostm0 { + bootph-all; +}; + +&pinctrl { + bootph-all; +}; + +&scif2 { + bootph-all; + clock = <66666666>; /* ToDo: Replace by DM clock driver */ +}; + +&scif2_pins { + bootph-all; +}; diff --git a/arch/arm/mach-renesas/Kconfig.rza1 b/arch/arm/mach-renesas/Kconfig.rza1 index e88f9a2eedb..c9e2b835204 100644 --- a/arch/arm/mach-renesas/Kconfig.rza1 +++ b/arch/arm/mach-renesas/Kconfig.rza1 @@ -14,12 +14,16 @@ choice prompt "Renesas RZ/A1 board select" # Renesas Supported Boards +config TARGET_GENMAI + bool "GENMAI board" + config TARGET_GRPEACH bool "GR-PEACH board" endchoice # Renesas Supported Boards +source "board/renesas/genmai/Kconfig" source "board/renesas/grpeach/Kconfig" endif diff --git a/board/renesas/genmai/Kconfig b/board/renesas/genmai/Kconfig new file mode 100644 index 00000000000..4e67a9b325a --- /dev/null +++ b/board/renesas/genmai/Kconfig @@ -0,0 +1,12 @@ +if TARGET_GENMAI + +config SYS_BOARD + default "genmai" + +config SYS_VENDOR + default "renesas" + +config SYS_CONFIG_NAME + default "genmai" + +endif diff --git a/board/renesas/genmai/MAINTAINERS b/board/renesas/genmai/MAINTAINERS new file mode 100644 index 00000000000..1f1c2944632 --- /dev/null +++ b/board/renesas/genmai/MAINTAINERS @@ -0,0 +1,5 @@ +GENMAI BOARD +M: Magnus Damm <damm@opensource.se> +S: Maintained +F: arch/arm/dts/r7s72100* +N: genmai diff --git a/board/renesas/genmai/Makefile b/board/renesas/genmai/Makefile new file mode 100644 index 00000000000..73f5e45affd --- /dev/null +++ b/board/renesas/genmai/Makefile @@ -0,0 +1,7 @@ +# +# Copyright (C) 2025 Magnus Damm <damm@opensource.se> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := genmai.o diff --git a/board/renesas/genmai/genmai.c b/board/renesas/genmai/genmai.c new file mode 100644 index 00000000000..8153aed15e3 --- /dev/null +++ b/board/renesas/genmai/genmai.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2025 Magnus Damm <damm@opensource.se> + */ + +#include <init.h> +#include <asm/global_data.h> +#include <asm/io.h> + +#define RZA1_BCR_BASE 0x3FFFC000 +#define CS0BCR (RZA1_BCR_BASE + 0x04) +#define CS0WCR (RZA1_BCR_BASE + 0x28) +#define CS1BCR (RZA1_BCR_BASE + 0x08) +#define CS1WCR (RZA1_BCR_BASE + 0x2c) + +DECLARE_GLOBAL_DATA_PTR; + +int board_init(void) +{ + gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100; + + /* setup NOR Flash on CS0 and CS1 */ + writel(0x00000b40, CS0WCR); + writel(0x10000c00, CS0BCR); + writel(0x00000b40, CS1WCR); + writel(0x10000c00, CS1BCR); + return 0; +} + +/* + * The Genmai DT will most likely contain memory nodes describing the external + * SDRAM memory connected to CS2 and CS3, however we do not yet have any code + * in U-Boot to setup the memory controller. For now ignore DT and make use of + * the RZ/A1H on-chip memory which is 10 MiB at CFG_SYS_SDRAM_BASE. + */ + +int dram_init(void) +{ + gd->ram_base = CFG_SYS_SDRAM_BASE; + gd->ram_size = 10 << 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; +} diff --git a/configs/genmai_defconfig b/configs/genmai_defconfig new file mode 100644 index 00000000000..d3407f671e2 --- /dev/null +++ b/configs/genmai_defconfig @@ -0,0 +1,17 @@ +#include <configs/renesas_rza1.config> + +CONFIG_ARM=y +CONFIG_ARCH_RENESAS=y +CONFIG_TEXT_BASE=0x00000000 +CONFIG_POSITION_INDEPENDENT=y +CONFIG_DEFAULT_DEVICE_TREE="renesas/r7s72100-genmai" +CONFIG_TARGET_GENMAI=y + +CONFIG_ENV_IS_IN_MTD=y +CONFIG_ENV_MTD_DEV="nor0" +CONFIG_ENV_OFFSET=0x80000 +CONFIG_ENV_RELOC_GD_ENV_ADDR=y +CONFIG_ENV_SECT_SIZE=0x20000 +CONFIG_ENV_SIZE=0x20000 +CONFIG_MTD=y +CONFIG_SYS_MAX_FLASH_BANKS=2 diff --git a/include/configs/genmai.h b/include/configs/genmai.h new file mode 100644 index 00000000000..1d43f8e06af --- /dev/null +++ b/include/configs/genmai.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Configuration settings for the Renesas GENMAI board + * + * Copyright (C) 2017-2019 Renesas Electronics + */ + +#ifndef __GENMAI_H +#define __GENMAI_H + +/* Internal RAM Size (RZ/A1=3M, RZ/A1M=5M, RZ/A1H=10M) */ +#define CFG_SYS_SDRAM_BASE 0x20000000 +#define CFG_SYS_SDRAM_SIZE (10 * 1024 * 1024) + +#endif /* __GENAMI_H */ |