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https://github.com/AsahiLinux/u-boot
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a63e54ab5f
Add a uclass for AXI (Advanced eXtensible Interface) busses, and a driver for the gdsys IHS AXI bus on IHS FPGAs. Signed-off-by: Mario Six <mario.six@gdsys.cc> Reviewed-by: Simon Glass <sjg@chromium.org>
39 lines
747 B
C
39 lines
747 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2017
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* Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
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*/
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#include <common.h>
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#include <dm.h>
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#include <axi.h>
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int axi_read(struct udevice *dev, ulong address, void *data,
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enum axi_size_t size)
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{
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struct axi_ops *ops = axi_get_ops(dev);
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if (!ops->read)
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return -ENOSYS;
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return ops->read(dev, address, data, size);
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}
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int axi_write(struct udevice *dev, ulong address, void *data,
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enum axi_size_t size)
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{
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struct axi_ops *ops = axi_get_ops(dev);
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if (!ops->write)
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return -ENOSYS;
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return ops->write(dev, address, data, size);
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}
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UCLASS_DRIVER(axi) = {
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.id = UCLASS_AXI,
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.name = "axi",
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.post_bind = dm_scan_fdt_dev,
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.flags = DM_UC_FLAG_SEQ_ALIAS,
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};
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