| /* |
| * EMMC RESERVE PAGE APIs |
| * |
| * Copyright (C) 2014 Marvell International Ltd. |
| * Jialing Fu <jlfu@marvell.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * publishhed by the Free Software Foundation. |
| */ |
| #ifndef _EMMC_RSV_H_ |
| #define _EMMC_RSV_H_ |
| |
| /* |
| * How to use these APIs |
| * 1. Put attention that the memory size is limit |
| * 2. When you call rsv_page_update, all the rsv_page memory will be flushed |
| * to eMMC block, so you need to avoid that some data is still being modified. |
| */ |
| enum rsv_page_index { |
| RSV_PAGE_SDH_EMMC, |
| RSV_PAGE_SDH_SD, |
| RSV_PAGE_SDH_SDIO, |
| RSV_PAGE_INDEX_MAX, |
| }; |
| |
| extern void *rsv_page_get_kaddr(enum rsv_page_index index, size_t want); |
| extern void rsv_page_update(void); |
| |
| #endif /* _EMMC_RSV_H_ */ |
