diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arc/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arc/dts/axs10x.dts | 45 | ||||
| -rw-r--r-- | arch/arc/include/asm/io.h | 24 | ||||
| -rw-r--r-- | arch/arc/include/asm/processor.h | 12 |
4 files changed, 82 insertions, 0 deletions
diff --git a/arch/arc/dts/Makefile b/arch/arc/dts/Makefile index d481fcd..d4772ec 100644 --- a/arch/arc/dts/Makefile +++ b/arch/arc/dts/Makefile @@ -2,6 +2,7 @@ # SPDX-License-Identifier: GPL-2.0+ # +dtb-$(CONFIG_TARGET_AXS101) += axs10x.dtb dtb-$(CONFIG_TARGET_ARCANGEL4) += arcangel4.dtb dtb-$(CONFIG_TARGET_TB100) += abilis_tb100.dtb diff --git a/arch/arc/dts/axs10x.dts b/arch/arc/dts/axs10x.dts new file mode 100644 index 0000000..8fe1837 --- /dev/null +++ b/arch/arc/dts/axs10x.dts @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2015 Synopsys, Inc. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +/dts-v1/; + +#include "skeleton.dtsi" + +/ { + #address-cells = <1>; + #size-cells = <1>; + + aliases { + console = &uart0; + }; + + clocks { + apbclk: apbclk { + compatible = "fixed-clock"; + clock-frequency = <50000000>; + #clock-cells = <0>; + }; + }; + + uart0: serial0@e0022000 { + compatible = "snps,dw-apb-uart"; + reg = <0xe0022000 0x1000>; + reg-shift = <2>; + reg-io-width = <4>; + }; + + ethernet@e0018000 { + #interrupt-cells = <1>; + compatible = "altr,socfpga-stmmac"; + reg = < 0xe0018000 0x2000 >; + interrupts = < 25 >; + interrupt-names = "macirq"; + phy-mode = "gmii"; + snps,pbl = < 32 >; + clocks = <&apbclk>; + clock-names = "stmmaceth"; + max-speed = <100>; + }; +}; diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h index 24b7337..281682c 100644 --- a/arch/arc/include/asm/io.h +++ b/arch/arc/include/asm/io.h @@ -10,6 +10,30 @@ #include <linux/types.h> #include <asm/byteorder.h> +/* + * Given a physical address and a length, return a virtual address + * that can be used to access the memory range with the caching + * properties specified by "flags". + */ +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +static inline void * +map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) +{ + return (void *)((unsigned long)paddr); +} + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ + +} + static inline void sync(void) { /* Not yet implemented */ diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h new file mode 100644 index 0000000..6355423 --- /dev/null +++ b/arch/arc/include/asm/processor.h @@ -0,0 +1,12 @@ +/* + * Copyright (C) 2015 Synopsys, Inc. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_ARC_PROCESSOR_H +#define _ASM_ARC_PROCESSOR_H + +/* This file is required by some generic code like USB etc */ + +#endif /* _ASM_ARC_PROCESSOR_H */ |