NUC970 is a new SoC of Nuvoton nuc900 series, this patch is to add machine file support for it. Signed-off-by: Wan Zongshun <mcuos.com@xxxxxxxxx> --- arch/arm/mach-w90x900/Kconfig | 20 ++++++++++++++++++++ arch/arm/mach-w90x900/Makefile | 3 +++ arch/arm/mach-w90x900/nuc900.c | 41 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 64 insertions(+) create mode 100644 arch/arm/mach-w90x900/nuc900.c diff --git a/arch/arm/mach-w90x900/Kconfig b/arch/arm/mach-w90x900/Kconfig index 69bab32..80ab00c 100644 --- a/arch/arm/mach-w90x900/Kconfig +++ b/arch/arm/mach-w90x900/Kconfig @@ -15,6 +15,26 @@ config CPU_NUC960 help Support for NUCP960 of Nuvoton NUC900 CPUs. +config SOC_NUC970 + bool "Nuvoton NUC970 SoC support" + select COMMON_CLK + select GENERIC_IRQ_CHIP + select HAVE_CLK_PREPARE + select IRQ_DOMAIN + select MULTI_IRQ_HANDLER + select MFD_SYSCON + select NUC900_TIMER + select SOC_NUC900 + select USE_OF + help + Support for NUC970 of Nuvoton NUC900 SoCs. + The NUC970 series runs up to 300 MHz, with 16 KB I-cache, + 16 KB D-cache and MMU, 56KB embedded SRAM and 16 KB Internal + Boot ROM for booting from USB, NAND and SPI FLASH. + Detailed information please check the following link: + https://github.com/zswan/nuc900-document/blob/master/ + NUC970_TechnicalReferenceManual_EN_Rev1.30.pdf + menu "W90P910 Machines" config MACH_W90P910EVB diff --git a/arch/arm/mach-w90x900/Makefile b/arch/arm/mach-w90x900/Makefile index 828c032..d13ba5a 100644 --- a/arch/arm/mach-w90x900/Makefile +++ b/arch/arm/mach-w90x900/Makefile @@ -4,8 +4,10 @@ # Object file lists. +ifeq ($(CONFIG_SOC_NUC970),) obj-y := irq.o time.o mfp.o gpio.o clock.o obj-y += clksel.o dev.o cpu.o +endif # W90X900 CPU support files obj-$(CONFIG_CPU_W90P910) += nuc910.o @@ -17,3 +19,4 @@ obj-$(CONFIG_CPU_NUC960) += nuc960.o obj-$(CONFIG_MACH_W90P910EVB) += mach-nuc910evb.o obj-$(CONFIG_MACH_W90P950EVB) += mach-nuc950evb.o obj-$(CONFIG_MACH_W90N960EVB) += mach-nuc960evb.o +obj-$(CONFIG_SOC_NUC970) += nuc900.o diff --git a/arch/arm/mach-w90x900/nuc900.c b/arch/arm/mach-w90x900/nuc900.c new file mode 100644 index 0000000..309c332 --- /dev/null +++ b/arch/arm/mach-w90x900/nuc900.c @@ -0,0 +1,41 @@ +/* + * Copyright 2016 Wan Zongshun <mcuos.com@xxxxxxxxx> + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/gpio.h> +#include <linux/init.h> +#include <linux/reboot.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> +#include <linux/sys_soc.h> +#include <linux/semaphore.h> + +#include <asm/system_misc.h> +#include <asm/mach/arch.h> + +static void __init nuc900_machine_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static const char *nuc900_dt_compat[] __initconst = { + "nuvoton,nuc970", + NULL, +}; + +DT_MACHINE_START(nuc900_dt, "Nuvoton NUC900 (Device Tree Support)") + .init_machine = nuc900_machine_init, + .dt_compat = nuc900_dt_compat, +MACHINE_END -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
