diff options
author | Mario Six <mario.six@gdsys.cc> | 2018-08-09 14:51:16 +0200 |
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committer | Anatolij Gustschin <agust@denx.de> | 2018-08-11 08:07:36 +0200 |
commit | a63e54ab5fea8aa15c561dd29bd10edfccc1609c (patch) | |
tree | 9461d3c18d87303508de348aa26d4a270a69d205 /drivers/axi/axi-uclass.c | |
parent | f05ebbf47a9dc863ff4bb084649ecb34d728b5f2 (diff) |
drivers: Add AXI uclass
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>
Diffstat (limited to 'drivers/axi/axi-uclass.c')
-rw-r--r-- | drivers/axi/axi-uclass.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/axi/axi-uclass.c b/drivers/axi/axi-uclass.c new file mode 100644 index 0000000000..af8acd9f88 --- /dev/null +++ b/drivers/axi/axi-uclass.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2017 + * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc + */ + +#include <common.h> +#include <dm.h> +#include <axi.h> + +int axi_read(struct udevice *dev, ulong address, void *data, + enum axi_size_t size) +{ + struct axi_ops *ops = axi_get_ops(dev); + + if (!ops->read) + return -ENOSYS; + + return ops->read(dev, address, data, size); +} + +int axi_write(struct udevice *dev, ulong address, void *data, + enum axi_size_t size) +{ + struct axi_ops *ops = axi_get_ops(dev); + + if (!ops->write) + return -ENOSYS; + + return ops->write(dev, address, data, size); +} + +UCLASS_DRIVER(axi) = { + .id = UCLASS_AXI, + .name = "axi", + .post_bind = dm_scan_fdt_dev, + .flags = DM_UC_FLAG_SEQ_ALIAS, +}; + |