From 6c51df6859fa666d494980f4aa2f19c932898ec1 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 23 Jun 2015 15:39:04 -0600 Subject: dm: Add support for RAM drivers Add support for a driver which sets up DRAM and can return information about the amount of RAM available. This is a first step towards moving RAM init to driver model. Signed-off-by: Simon Glass --- drivers/ram/ram-uclass.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 drivers/ram/ram-uclass.c (limited to 'drivers/ram/ram-uclass.c') diff --git a/drivers/ram/ram-uclass.c b/drivers/ram/ram-uclass.c new file mode 100644 index 0000000..2f1fbe7 --- /dev/null +++ b/drivers/ram/ram-uclass.c @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2015 Google, Inc + * Written by Simon Glass + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include + +int ram_get_info(struct udevice *dev, struct ram_info *info) +{ + struct ram_ops *ops = ram_get_ops(dev); + + if (!ops->get_info) + return -ENOSYS; + + return ops->get_info(dev, info); +} + +UCLASS_DRIVER(ram) = { + .id = UCLASS_RAM, + .name = "ram", +}; -- cgit v1.1