Add initial Ingenic X1000 SoC support. Provide minimum necessary information to boot kernel to an initramfs userspace.
Signed-off-by: PrasannaKumar Muralidharan <[email protected]> --- arch/mips/boot/dts/ingenic/x1000.dtsi | 93 +++++++++++++++++++++++++++++++++++ arch/mips/jz4740/Kconfig | 6 +++ arch/mips/jz4740/time.c | 2 +- 3 files changed, 100 insertions(+), 1 deletion(-) create mode 100644 arch/mips/boot/dts/ingenic/x1000.dtsi diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi b/arch/mips/boot/dts/ingenic/x1000.dtsi new file mode 100644 index 0000000..abbb9ec --- /dev/null +++ b/arch/mips/boot/dts/ingenic/x1000.dtsi @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2016 PrasannaKumar Muralidharan <[email protected]> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <dt-bindings/clock/x1000-cgu.h> + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "ingenic,x1000"; + + cpuintc: interrupt-controller { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + intc: interrupt-controller@10001000 { + compatible = "ingenic,x1000-intc", "ingenic,jz4780-intc"; + reg = <0x10001000 0x50>; + + interrupt-controller; + #interrupt-cells = <1>; + + interrupt-parent = <&cpuintc>; + interrupts = <2>; + }; + + ext: ext { + compatible = "fixed-clock"; + #clock-cells = <0>; + }; + + rtc: rtc { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + + cgu: jz4780-cgu@10000000 { + compatible = "ingenic,x1000-cgu"; + reg = <0x10000000 0x100>; + + clocks = <&ext>, <&rtc>; + clock-names = "ext", "rtc"; + + #clock-cells = <1>; + }; + + uart0: serial@10030000 { + compatible = "ingenic,x1000-uart", "ingenic,jz4780-uart"; + reg = <0x10030000 0x100>; + + interrupt-parent = <&intc>; + interrupts = <51>; + + clocks = <&ext>, <&cgu X1000_CLK_UART0>; + clock-names = "baud", "module"; + + status = "disabled"; + }; + + uart1: serial@10031000 { + compatible = "ingenic,x1000-uart", "ingenic,jz4780-uart"; + reg = <0x10031000 0x100>; + + interrupt-parent = <&intc>; + interrupts = <50>; + + clocks = <&ext>, <&cgu X1000_CLK_UART1>; + clock-names = "baud", "module"; + + status = "disabled"; + }; + + uart2: serial@10032000 { + compatible = "ingenic,x1000-uart", "ingenic,jz4780-uart"; + reg = <0x10032000 0x100>; + + interrupt-parent = <&intc>; + interrupts = <49>; + + clocks = <&ext>, <&cgu X1000_CLK_UART2>; + clock-names = "baud", "module"; + + status = "disabled"; + }; +}; diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig index 36f8201..338bc3f 100644 --- a/arch/mips/jz4740/Kconfig +++ b/arch/mips/jz4740/Kconfig @@ -22,3 +22,9 @@ config MACH_JZ4780 select MIPS_CPU_SCACHE select SYS_HAS_CPU_MIPS32_R2 select SYS_SUPPORTS_HIGHMEM + +config MACH_X1000 + bool + select MIPS_CPU_SCACHE + select SYS_HAS_CPU_MIPS32_R2 + select SYS_HAS_EARLY_PRINTK diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c index bb1ad51..e28c734 100644 --- a/arch/mips/jz4740/time.c +++ b/arch/mips/jz4740/time.c @@ -113,7 +113,7 @@ static struct clock_event_device jz4740_clockevent = { #ifdef CONFIG_MACH_JZ4740 .irq = JZ4740_IRQ_TCU0, #endif -#ifdef CONFIG_MACH_JZ4780 +#if defined CONFIG_MACH_JZ4780 || defined CONFIG_MACH_X1000 .irq = JZ4780_IRQ_TCU2, #endif }; -- 2.10.0
