u-boot/drivers/ram/sandbox_ram.c
Simon Glass 64ce0cad9e dm: test: Add a test for the ram uclass
Add a test to confirm that we can probe this device and get information on
the available RAM.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:32 -06:00

38 lines
702 B
C

/*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <ram.h>
#include <asm/test.h>
DECLARE_GLOBAL_DATA_PTR;
static int sandbox_get_info(struct udevice *dev, struct ram_info *info)
{
info->base = 0;
info->size = gd->ram_size;
return 0;
}
static const struct ram_ops sandbox_ram_ops = {
.get_info = sandbox_get_info,
};
static const struct udevice_id sandbox_ram_ids[] = {
{ .compatible = "sandbox,ram" },
{ }
};
U_BOOT_DRIVER(warm_ram_sandbox) = {
.name = "ram_sandbox",
.id = UCLASS_RAM,
.of_match = sandbox_ram_ids,
.ops = &sandbox_ram_ops,
};