[PATCH v2 21/28] arm: rockchip: Add RV1126 arch core support

Kever Yang kever.yang at rock-chips.com
Wed Sep 28 14:22:59 CEST 2022


On 2022/8/18 22:52, Jagan Teki wrote:
> Rockchip RV1126 is a high-performance vision processor SoC
> for IPC/CVR, especially for AI related application.
>
> Add arch core support for it.
>
> Signed-off-by: Jagan Teki <jagan at edgeble.ai>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
> Changes for v2:
> - none
>
>   arch/arm/include/asm/arch-rv1126/boot0.h      | 11 ++++
>   arch/arm/include/asm/arch-rv1126/gpio.h       | 11 ++++
>   arch/arm/mach-rockchip/Kconfig                | 46 ++++++++++++++
>   arch/arm/mach-rockchip/Makefile               |  1 +
>   arch/arm/mach-rockchip/rv1126/Kconfig         | 43 +++++++++++++
>   arch/arm/mach-rockchip/rv1126/Makefile        | 13 ++++
>   arch/arm/mach-rockchip/rv1126/clk_rv1126.c    | 33 ++++++++++
>   arch/arm/mach-rockchip/rv1126/rv1126.c        | 63 +++++++++++++++++++
>   arch/arm/mach-rockchip/rv1126/syscon_rv1126.c | 47 ++++++++++++++
>   common/spl/Kconfig.tpl                        |  2 +-
>   10 files changed, 269 insertions(+), 1 deletion(-)
>   create mode 100644 arch/arm/include/asm/arch-rv1126/boot0.h
>   create mode 100644 arch/arm/include/asm/arch-rv1126/gpio.h
>   create mode 100644 arch/arm/mach-rockchip/rv1126/Kconfig
>   create mode 100644 arch/arm/mach-rockchip/rv1126/Makefile
>   create mode 100644 arch/arm/mach-rockchip/rv1126/clk_rv1126.c
>   create mode 100644 arch/arm/mach-rockchip/rv1126/rv1126.c
>   create mode 100644 arch/arm/mach-rockchip/rv1126/syscon_rv1126.c
>
> diff --git a/arch/arm/include/asm/arch-rv1126/boot0.h b/arch/arm/include/asm/arch-rv1126/boot0.h
> new file mode 100644
> index 0000000000..2e78b074ad
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-rv1126/boot0.h
> @@ -0,0 +1,11 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * (C) Copyright 2019 Rockchip Electronics Co., Ltd
> + */
> +
> +#ifndef __ASM_ARCH_BOOT0_H__
> +#define __ASM_ARCH_BOOT0_H__
> +
> +#include <asm/arch-rockchip/boot0.h>
> +
> +#endif
> diff --git a/arch/arm/include/asm/arch-rv1126/gpio.h b/arch/arm/include/asm/arch-rv1126/gpio.h
> new file mode 100644
> index 0000000000..eca79d5159
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-rv1126/gpio.h
> @@ -0,0 +1,11 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * (C) Copyright 2019 Rockchip Electronics Co., Ltd
> + */
> +
> +#ifndef __ASM_ARCH_GPIO_H__
> +#define __ASM_ARCH_GPIO_H__
> +
> +#include <asm/arch-rockchip/gpio.h>
> +
> +#endif
> diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
> index c561a77e6a..19fa6a4659 100644
> --- a/arch/arm/mach-rockchip/Kconfig
> +++ b/arch/arm/mach-rockchip/Kconfig
> @@ -301,6 +301,51 @@ config ROCKCHIP_RV1108
>   	  The Rockchip RV1108 is a ARM-based SoC with a single-core Cortex-A7
>   	  and a DSP.
>   
> +config ROCKCHIP_RV1126
> +	bool "Support Rockchip RV1126"
> +	select CPU_V7A
> +	select SKIP_LOWLEVEL_INIT_ONLY
> +	select TPL
> +	select SUPPORT_TPL
> +	select TPL_NEEDS_SEPARATE_STACK
> +	select TPL_ROCKCHIP_BACK_TO_BROM
> +	select SPL
> +	select SUPPORT_SPL
> +	select SPL_STACK_R
> +	select CLK
> +	select FIT
> +	select PINCTRL
> +	select RAM
> +	select ROCKCHIP_SDRAM_COMMON
> +	select REGMAP
> +	select SYSCON
> +	select DM_PMIC
> +	select DM_REGULATOR_FIXED
> +	select DM_RESET
> +	select REGULATOR_RK8XX
> +	select PMIC_RK8XX
> +	select BOARD_LATE_INIT
> +	imply ROCKCHIP_COMMON_BOARD
> +	imply TPL_DM
> +	imply TPL_LIBCOMMON_SUPPORT
> +	imply TPL_LIBGENERIC_SUPPORT
> +	imply TPL_OF_CONTROL
> +	imply TPL_OF_PLATDATA
> +	imply TPL_RAM
> +	imply TPL_ROCKCHIP_COMMON_BOARD
> +	imply TPL_SERIAL
> +	imply SPL_CLK
> +	imply SPL_DM
> +	imply SPL_DRIVERS_MISC
> +	imply SPL_LIBCOMMON_SUPPORT
> +	imply SPL_LIBGENERIC_SUPPORT
> +	imply SPL_OF_CONTROL
> +	imply SPL_RAM
> +	imply SPL_REGMAP
> +	imply SPL_ROCKCHIP_COMMON_BOARD
> +	imply SPL_SERIAL
> +	imply SPL_SYSCON
> +
>   config ROCKCHIP_USB_UART
>   	bool "Route uart output to usb pins"
>   	help
> @@ -448,4 +493,5 @@ source "arch/arm/mach-rockchip/rk3368/Kconfig"
>   source "arch/arm/mach-rockchip/rk3399/Kconfig"
>   source "arch/arm/mach-rockchip/rk3568/Kconfig"
>   source "arch/arm/mach-rockchip/rv1108/Kconfig"
> +source "arch/arm/mach-rockchip/rv1126/Kconfig"
>   endif
> diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
> index 6c1c7b8a10..32138fa723 100644
> --- a/arch/arm/mach-rockchip/Makefile
> +++ b/arch/arm/mach-rockchip/Makefile
> @@ -45,6 +45,7 @@ obj-$(CONFIG_ROCKCHIP_RK3368) += rk3368/
>   obj-$(CONFIG_ROCKCHIP_RK3399) += rk3399/
>   obj-$(CONFIG_ROCKCHIP_RK3568) += rk3568/
>   obj-$(CONFIG_ROCKCHIP_RV1108) += rv1108/
> +obj-$(CONFIG_ROCKCHIP_RV1126) += rv1126/
>   
>   # Clear out SPL objects, in case this is a TPL build
>   obj-spl-$(CONFIG_TPL_BUILD) =
> diff --git a/arch/arm/mach-rockchip/rv1126/Kconfig b/arch/arm/mach-rockchip/rv1126/Kconfig
> new file mode 100644
> index 0000000000..86abc4e2fa
> --- /dev/null
> +++ b/arch/arm/mach-rockchip/rv1126/Kconfig
> @@ -0,0 +1,43 @@
> +if ROCKCHIP_RV1126
> +
> +config SOC_SPECIFIC_OPTIONS # dummy
> +	def_bool y
> +	select HAS_CUSTOM_SYS_INIT_SP_ADDR
> +
> +config ROCKCHIP_BOOT_MODE_REG
> +	default 0xfe020200
> +
> +config ROCKCHIP_STIMER_BASE
> +	default 0xff670020
> +
> +config SYS_SOC
> +	default "rv1126"
> +
> +config CUSTOM_SYS_INIT_SP_ADDR
> +	default 0x800000
> +
> +config SPL_STACK
> +	default 0x600000
> +
> +config SPL_STACK_R_ADDR
> +	default 0x800000
> +
> +config TPL_LDSCRIPT
> +	default "arch/arm/mach-rockchip/u-boot-tpl.lds"
> +
> +config TPL_STACK
> +        default 0xff718000
> +
> +config TPL_SYS_MALLOC_F_LEN
> +	default 0x2000
> +
> +config TPL_TEXT_BASE
> +	default 0xff701000
> +
> +config SYS_MALLOC_F_LEN
> +	default 0x2000
> +
> +config SYS_TEXT_BASE
> +	default 0x600000
> +
> +endif
> diff --git a/arch/arm/mach-rockchip/rv1126/Makefile b/arch/arm/mach-rockchip/rv1126/Makefile
> new file mode 100644
> index 0000000000..b2875633db
> --- /dev/null
> +++ b/arch/arm/mach-rockchip/rv1126/Makefile
> @@ -0,0 +1,13 @@
> +#
> +# (C) Copyright 2019 Rockchip Electronics Co., Ltd
> +# Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
> +#
> +# SPDX-License-Identifier:	GPL-2.0+
> +#
> +
> +obj-y += rv1126.o
> +
> +ifndef CONFIG_TPL_BUILD
> +obj-y += clk_rv1126.o
> +obj-y += syscon_rv1126.o
> +endif
> diff --git a/arch/arm/mach-rockchip/rv1126/clk_rv1126.c b/arch/arm/mach-rockchip/rv1126/clk_rv1126.c
> new file mode 100644
> index 0000000000..bd8902718f
> --- /dev/null
> +++ b/arch/arm/mach-rockchip/rv1126/clk_rv1126.c
> @@ -0,0 +1,33 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
> + * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
> + */
> +
> +#include <common.h>
> +#include <dm.h>
> +#include <syscon.h>
> +#include <asm/arch-rockchip/clock.h>
> +#include <asm/arch-rockchip/cru_rv1126.h>
> +#include <linux/err.h>
> +
> +int rockchip_get_clk(struct udevice **devp)
> +{
> +	return uclass_get_device_by_driver(UCLASS_CLK,
> +			DM_DRIVER_GET(rockchip_rv1126_cru), devp);
> +}
> +
> +void *rockchip_get_cru(void)
> +{
> +	struct rv1126_clk_priv *priv;
> +	struct udevice *dev;
> +	int ret;
> +
> +	ret = rockchip_get_clk(&dev);
> +	if (ret)
> +		return ERR_PTR(ret);
> +
> +	priv = dev_get_priv(dev);
> +
> +	return priv->cru;
> +}
> diff --git a/arch/arm/mach-rockchip/rv1126/rv1126.c b/arch/arm/mach-rockchip/rv1126/rv1126.c
> new file mode 100644
> index 0000000000..91554c98b6
> --- /dev/null
> +++ b/arch/arm/mach-rockchip/rv1126/rv1126.c
> @@ -0,0 +1,63 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2019 Rockchip Electronics Co., Ltd
> + * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
> + */
> +
> +#include <common.h>
> +#include <asm/io.h>
> +#include <asm/arch-rockchip/bootrom.h>
> +#include <asm/arch-rockchip/hardware.h>
> +#include <asm/arch-rockchip/grf_rv1126.h>
> +
> +#define GRF_BASE		0xFE000000
> +
> +const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
> +	[BROM_BOOTSOURCE_EMMC] = "/mmc at ffc50000",
> +	[BROM_BOOTSOURCE_SD] = "/mmc at ffc60000",
> +};
> +
> +/* GRF_GPIO3A_IOMUX_L */
> +enum {
> +	GPIO3A3_SHIFT		= 12,
> +	GPIO3A3_MASK		= GENMASK(14, 12),
> +	GPIO3A3_GPIO		= 0,
> +	GPIO3A3_UART2_RX_M1,
> +	GPIO3A3_A7_JTAG_TMS_M1,
> +
> +	GPIO3A2_SHIFT		= 8,
> +	GPIO3A2_MASK		= GENMASK(10, 8),
> +	GPIO3A2_GPIO		= 0,
> +	GPIO3A2_UART2_TX_M1,
> +	GPIO3A2_A7_JTAG_TCK_M1,
> +};
> +
> +/* GRF_IOFUNC_CON2 */
> +enum {
> +	UART2_IO_SEL_SHIFT	= 8,
> +	UART2_IO_SEL_MASK	= GENMASK(8, 8),
> +	UART2_IO_SEL_M0		= 0,
> +	UART2_IO_SEL_M1,
> +};
> +
> +void board_debug_uart_init(void)
> +{
> +	static struct rv1126_grf * const grf = (void *)GRF_BASE;
> +
> +	/* Enable early UART2 channel m1 on the rv1126 */
> +	rk_clrsetreg(&grf->iofunc_con2, UART2_IO_SEL_MASK,
> +		     UART2_IO_SEL_M1 << UART2_IO_SEL_SHIFT);
> +
> +	/* Switch iomux */
> +	rk_clrsetreg(&grf->gpio3a_iomux_l,
> +		     GPIO3A3_MASK | GPIO3A2_MASK,
> +		     GPIO3A3_UART2_RX_M1 << GPIO3A3_SHIFT |
> +		     GPIO3A2_UART2_TX_M1 << GPIO3A2_SHIFT);
> +}
> +
> +#ifndef CONFIG_TPL_BUILD
> +int arch_cpu_init(void)
> +{
> +	return 0;
> +}
> +#endif
> diff --git a/arch/arm/mach-rockchip/rv1126/syscon_rv1126.c b/arch/arm/mach-rockchip/rv1126/syscon_rv1126.c
> new file mode 100644
> index 0000000000..599ea66e3d
> --- /dev/null
> +++ b/arch/arm/mach-rockchip/rv1126/syscon_rv1126.c
> @@ -0,0 +1,47 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * (C) Copyright 2019 Rockchip Electronics Co., Ltd
> + * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
> + */
> +
> +#include <common.h>
> +#include <dm.h>
> +#include <log.h>
> +#include <syscon.h>
> +#include <asm/arch-rockchip/clock.h>
> +
> +static const struct udevice_id rv1126_syscon_ids[] = {
> +	{ .compatible = "rockchip,rv1126-grf", .data = ROCKCHIP_SYSCON_GRF },
> +	{ .compatible = "rockchip,rv1126-pmugrf", .data = ROCKCHIP_SYSCON_PMUGRF },
> +	{ }
> +};
> +
> +U_BOOT_DRIVER(syscon_rv1126) = {
> +	.name = "rv1126_syscon",
> +	.id = UCLASS_SYSCON,
> +	.of_match = rv1126_syscon_ids,
> +};
> +
> +#if CONFIG_IS_ENABLED(OF_PLATDATA)
> +static int rv1126_syscon_bind_of_plat(struct udevice *dev)
> +{
> +	dev->driver_data = dev->driver->of_match->data;
> +	debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
> +
> +	return 0;
> +}
> +
> +U_BOOT_DRIVER(rockchip_rv1126_pmu) = {
> +	.name = "rockchip_rv1126_pmu",
> +	.id = UCLASS_SYSCON,
> +	.of_match = rv1126_syscon_ids,
> +	.bind = rv1126_syscon_bind_of_plat,
> +};
> +
> +U_BOOT_DRIVER(rockchip_rv1126_pmugrf) = {
> +	.name = "rockchip_rv1126_pmugrf",
> +	.id = UCLASS_SYSCON,
> +	.of_match = rv1126_syscon_ids + 1,
> +	.bind = rv1126_syscon_bind_of_plat,
> +};
> +#endif
> diff --git a/common/spl/Kconfig.tpl b/common/spl/Kconfig.tpl
> index e314b793a2..1874f9db4f 100644
> --- a/common/spl/Kconfig.tpl
> +++ b/common/spl/Kconfig.tpl
> @@ -132,7 +132,7 @@ config TPL_TEXT_BASE
>   config TPL_MAX_SIZE
>   	hex "Maximum size (in bytes) for the TPL stage"
>   	default 0x2e000 if ROCKCHIP_RK3399
> -	default 0x8000 if ROCKCHIP_RK3288
> +	default 0x8000 if ROCKCHIP_RK3288 || ROCKCHIP_RV1126
>   	default 0x7000 if ROCKCHIP_RK322X || ROCKCHIP_RK3328 || ROCKCHIP_RK3368
>   	default 0x2800 if ROCKCHIP_PX30
>   	default 0x0


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