[PATCH v2 04/16] arm: rockchip: Add RK3576 arch core support

[Jonas Karlman]

Hi Heiko,

On 2025-04-14 22:00, Heiko Stuebner wrote:
> From: Xuhui Lin <xuhui.lin at rock-chips.com>
> 
> The Rockchip RK3576 is a ARM-based SoC with quad-core Cortex-A72
> and quad-core Cortex-A53 including 6TOPS NPU, Mali-G52 MC3, HDMI Out,
> DP, eDP, MIPI DSI, MIPI CSI2, LPDDR4/4X/5, eMMC5.1, SD3.0/MMC4.5, UFS,
> USB OTG 3.0, Type-C, USB 2.0, PCIe 2.1, SATA 3, Ethernet, SDIO3.0, I2C,
> UART, SPI, GPIO and PWM.
> 
> Add arch core support for it.
> 
> Signed-off-by: Xuhui Lin <xuhui.lin at rock-chips.com>
> [adapted for mainline u-boot]
> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
> ---
>  arch/arm/dts/rk3576-u-boot.dtsi               | 131 +++++++++++++++
>  arch/arm/include/asm/arch-rk3576/boot0.h      |  11 ++
>  arch/arm/include/asm/arch-rk3576/gpio.h       |  11 ++
>  arch/arm/mach-rockchip/Kconfig                |  51 ++++++
>  arch/arm/mach-rockchip/Makefile               |   1 +
>  arch/arm/mach-rockchip/rk3576/Kconfig         |  15 ++
>  arch/arm/mach-rockchip/rk3576/Makefile        |   9 +
>  arch/arm/mach-rockchip/rk3576/clk_rk3576.c    |  18 ++
>  arch/arm/mach-rockchip/rk3576/rk3576.c        | 155 ++++++++++++++++++
>  arch/arm/mach-rockchip/rk3576/syscon_rk3576.c |  22 +++
>  arch/arm/mach-rockchip/sdram.c                |   1 +
>  doc/board/rockchip/rockchip.rst               |   9 +
>  include/configs/rk3576_common.h               |  45 +++++
>  13 files changed, 479 insertions(+)
>  create mode 100644 arch/arm/dts/rk3576-u-boot.dtsi
>  create mode 100644 arch/arm/include/asm/arch-rk3576/boot0.h
>  create mode 100644 arch/arm/include/asm/arch-rk3576/gpio.h
>  create mode 100644 arch/arm/mach-rockchip/rk3576/Kconfig
>  create mode 100644 arch/arm/mach-rockchip/rk3576/Makefile
>  create mode 100644 arch/arm/mach-rockchip/rk3576/clk_rk3576.c
>  create mode 100644 arch/arm/mach-rockchip/rk3576/rk3576.c
>  create mode 100644 arch/arm/mach-rockchip/rk3576/syscon_rk3576.c
>  create mode 100644 include/configs/rk3576_common.h
> 

[snip]

> diff --git a/include/configs/rk3576_common.h b/include/configs/rk3576_common.h
> new file mode 100644
> index 00000000000..90ea62cb9ca
> --- /dev/null
> +++ b/include/configs/rk3576_common.h
> @@ -0,0 +1,45 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * (C) Copyright 2024 Rockchip Electronics Co., Ltd
> + */
> +
> +#ifndef __CONFIG_RK3576_COMMON_H
> +#define __CONFIG_RK3576_COMMON_H
> +
> +#define CFG_CPUID_OFFSET	0xa
> +
> +#include "rockchip-common.h"
> +
> +#define CFG_IRAM_BASE			0x3ff80000
> +
> +#define CFG_SYS_SDRAM_BASE		0x40000000
> +/* Used by board_get_usable_ram_top(), space below the 4G address boundary */
> +#define SDRAM_MAX_SIZE			(SZ_4G - CFG_SYS_SDRAM_BASE)
> +
> +#ifndef CONFIG_XPL_BUILD

I know that I probably suggested adding this XPL_BUILD condition in v1,
however after seeing similar wrapper being dropped in FUKAUMI Naoki's
"rockchip: Add boot from USB OTG port" series [1] I am no longer sure it
should be here and I ended up dropping it for RK3528.

Regardless, this is:

Reviewed-by: Jonas Karlman <jonas at kwiboo.se>

[1] https://patchwork.ozlabs.org/cover/2045428/

Regards,
Jonas

> +
> +#ifndef ROCKCHIP_DEVICE_SETTINGS
> +#define ROCKCHIP_DEVICE_SETTINGS
> +#endif
> +
> +#define ENV_MEM_LAYOUT_SETTINGS		\
> +	"scriptaddr=0x40c00000\0" \
> +	"script_offset_f=0xffe000\0"	\
> +	"script_size_f=0x2000\0"	\
> +	"pxefile_addr_r=0x40e00000\0" \
> +	"kernel_addr_r=0x42000000\0" \
> +	"kernel_comp_addr_r=0x4a000000\0"	\
> +	"fdt_addr_r=0x52000000\0"	\
> +	"fdtoverlay_addr_r=0x52100000\0"	\
> +	"ramdisk_addr_r=0x52180000\0"	\
> +	"kernel_comp_size=0x8000000\0"
> +
> +#define CFG_EXTRA_ENV_SETTINGS		\
> +	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0"	\
> +	ENV_MEM_LAYOUT_SETTINGS		\
> +	ROCKCHIP_DEVICE_SETTINGS	\
> +	"boot_targets=" BOOT_TARGETS "\0"
> +
> +#endif /* CONFIG_XPL_BUILD */
> +
> +#endif /* __CONFIG_RK3576_COMMON_H */