This patch aims to add an initial support for Sunplus SP7021 SoC. Signed-off-by: Qin Jian <qinjian@xxxxxxxxxxx> --- MAINTAINERS | 1 + arch/arm/Kconfig | 18 ++++++++++++++++++ arch/arm/Makefile | 2 ++ arch/arm/mach-sunplus/Kconfig | 20 ++++++++++++++++++++ arch/arm/mach-sunplus/Makefile | 9 +++++++++ arch/arm/mach-sunplus/Makefile.boot | 3 +++ arch/arm/mach-sunplus/sp7021.c | 16 ++++++++++++++++ 7 files changed, 69 insertions(+) create mode 100644 arch/arm/mach-sunplus/Kconfig create mode 100644 arch/arm/mach-sunplus/Makefile create mode 100644 arch/arm/mach-sunplus/Makefile.boot create mode 100644 arch/arm/mach-sunplus/sp7021.c diff --git a/MAINTAINERS b/MAINTAINERS index febbd97bf..0ae537a41 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2664,6 +2664,7 @@ F: Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml F: Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml F: Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml F: Documentation/devicetree/bindings/reset/sunplus,reset.yaml +F: arch/arm/mach-sunplus/ F: drivers/clk/clk-sp7021.c F: drivers/irqchip/irq-sp7021-intc.c F: drivers/reset/reset-sunplus.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 59baf6c13..b128ef4ee 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -487,6 +487,22 @@ config ARCH_S3C24XX (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the Samsung SMDK2410 development board (and derivatives). +config ARCH_SUNPLUS + bool "Sunplus SoCs" + select CLKSRC_OF + select COMMON_CLK + select GENERIC_CLOCKEVENTS + select GENERIC_IRQ_CHIP + select GENERIC_IRQ_MULTI_HANDLER + select USE_OF + select RTC_CLASS + select RESET_SUNPLUS + help + Support for Sunplus SoC family: SP7021 and succeeding SoC-based systems, + such as the Banana Pi BPI-F2S development board (and derivatives). + (<http://www.sinovoip.com.cn/ecp_view.asp?id=586>) + (<https://tibbo.com/store/plus1.html>) + config ARCH_OMAP1 bool "TI OMAP1" depends on MMU @@ -689,6 +705,8 @@ source "arch/arm/mach-sti/Kconfig" source "arch/arm/mach-stm32/Kconfig" +source "arch/arm/mach-sunplus/Kconfig" + source "arch/arm/mach-sunxi/Kconfig" source "arch/arm/mach-tegra/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 847c31e7c..cac95a950 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -152,6 +152,7 @@ textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000 textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000 textofs-$(CONFIG_ARCH_MESON) := 0x00208000 textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000 +textofs-$(CONFIG_ARCH_SUNPLUS) := 0x00308000 # Machine directory name. This list is sorted alphanumerically # by CONFIG_* macro name. @@ -212,6 +213,7 @@ machine-$(CONFIG_ARCH_RENESAS) += shmobile machine-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga machine-$(CONFIG_ARCH_STI) += sti machine-$(CONFIG_ARCH_STM32) += stm32 +machine-$(CONFIG_ARCH_SUNPLUS) += sunplus machine-$(CONFIG_ARCH_SUNXI) += sunxi machine-$(CONFIG_ARCH_TEGRA) += tegra machine-$(CONFIG_ARCH_U8500) += ux500 diff --git a/arch/arm/mach-sunplus/Kconfig b/arch/arm/mach-sunplus/Kconfig new file mode 100644 index 000000000..81ef4d026 --- /dev/null +++ b/arch/arm/mach-sunplus/Kconfig @@ -0,0 +1,20 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +config SOC_SP7021 + bool "Sunplus SP7021 SoC support" + default y + select CPU_V7 + select ARM_GIC + select SUNPLUS_SP7021_INTC + select HAVE_SMP + select ARM_PSCI + select COMMON_CLK_SP7021 + select PINCTRL + select PINCTRL_SPPCTL + select OF_OVERLAY + select GPIOLIB + help + Support for Sunplus SP7021 SoC. It is based on ARM 4-core + Cortex-A7 with various peripherals (ex: I2C, SPI, SDIO, + Ethernet and etc.), FPGA interface, chip-to-chip bus. + It is designed for industrial control. diff --git a/arch/arm/mach-sunplus/Makefile b/arch/arm/mach-sunplus/Makefile new file mode 100644 index 000000000..c902580a7 --- /dev/null +++ b/arch/arm/mach-sunplus/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the linux kernel. +# + +# Object file lists. + +obj-$(CONFIG_SOC_SP7021) += sp7021.o + diff --git a/arch/arm/mach-sunplus/Makefile.boot b/arch/arm/mach-sunplus/Makefile.boot new file mode 100644 index 000000000..401c30840 --- /dev/null +++ b/arch/arm/mach-sunplus/Makefile.boot @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +zreladdr-$(CONFIG_ARCH_SUNPLUS) := 0x00308000 diff --git a/arch/arm/mach-sunplus/sp7021.c b/arch/arm/mach-sunplus/sp7021.c new file mode 100644 index 000000000..774d0a5bd --- /dev/null +++ b/arch/arm/mach-sunplus/sp7021.c @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Copyright (C) Sunplus Technology Co., Ltd. + * All rights reserved. + */ +#include <linux/kernel.h> +#include <asm/mach/arch.h> + +static const char *sp7021_compat[] __initconst = { + "sunplus,sp7021", + NULL +}; + +DT_MACHINE_START(SP7021_DT, "SP7021") + .dt_compat = sp7021_compat, +MACHINE_END -- 2.33.1
