diff options
Diffstat (limited to 'include/ram.h')
| -rw-r--r-- | include/ram.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/ram.h b/include/ram.h new file mode 100644 index 00000000000..e2172a8741c --- /dev/null +++ b/include/ram.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __RAM_H +#define __RAM_H + +struct ram_info { + phys_addr_t base; + size_t size; +}; + +struct ram_ops { + /** + * get_info() - Get basic memory info + * + * @dev: Device to check (UCLASS_RAM) + * @info: Place to put info + * @return 0 if OK, -ve on error + */ + int (*get_info)(struct udevice *dev, struct ram_info *info); +}; + +#define ram_get_ops(dev) ((struct ram_ops *)(dev)->driver->ops) + +/** + * ram_get_info() - Get information about a RAM device + * + * @dev: Device to check (UCLASS_RAM) + * @info: Returns RAM info + * @return 0 if OK, -ve on error + */ +int ram_get_info(struct udevice *dev, struct ram_info *info); + +#endif |