diff options
author | David Hendricks <dhendricks@fb.com> | 2018-03-09 13:58:27 -0800 |
---|---|---|
committer | Patrick Georgi <pgeorgi@google.com> | 2018-04-06 06:48:11 +0000 |
commit | 2004b93aed993aa02bbc588b8d82c22418ac52ec (patch) | |
tree | cdd5e95a154e2e0139474288262835a7f5847665 /src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-pbus-flash.h | |
parent | 71cbd71eb5c0e8e13b25b5d5dd2f495e7d2967eb (diff) |
soc/cavium: import raw BDK sources
This imports common BDK sources that will be used in subsequent
patches.
The BDK is licensed under BSD and will be reduced in size and optimized to
compile under coreboot.
Change-Id: Icb32ee670d9fa9e5c10f9abb298cebf616fa67ad
Signed-off-by: David Hendricks <dhendricks@fb.com>
Reviewed-on: https://review.coreboot.org/25524
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Diffstat (limited to 'src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-pbus-flash.h')
-rw-r--r-- | src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-pbus-flash.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-pbus-flash.h b/src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-pbus-flash.h new file mode 100644 index 0000000000..a5cd2d592d --- /dev/null +++ b/src/vendorcode/cavium/include/bdk/libbdk-hal/bdk-pbus-flash.h @@ -0,0 +1,111 @@ +/***********************license start*********************************** +* Copyright (c) 2016-2017 Cavium Inc. (support@cavium.com). All rights +* reserved. +* +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are +* met: +* +* * Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* +* * Redistributions in binary form must reproduce the above +* copyright notice, this list of conditions and the following +* disclaimer in the documentation and/or other materials provided +* with the distribution. +* +* * Neither the name of Cavium Inc. nor the names of +* its contributors may be used to endorse or promote products +* derived from this software without specific prior written +* permission. +* +* This Software, including technical data, may be subject to U.S. export +* control laws, including the U.S. Export Administration Act and its +* associated regulations, and may be subject to export or import +* regulations in other countries. +* +* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" +* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR +* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT +* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY +* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT +* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES +* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR +* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, +* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK +* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU. +***********************license end**************************************/ + +/** + * @file + * + * This file provides bootbus flash operations + * + * <hr>$Revision: 49448 $<hr> + * + * @addtogroup hal + * @{ + */ + +typedef struct +{ + int start_offset; + int block_size; + int num_blocks; +} bdk_pbus_flash_region_t; + +/** + * Initialize the flash access library + */ +void bdk_pbus_flash_initialize(bdk_node_t node); + +/** + * Return a pointer to the flash chip + * + * @param chip_id Chip ID to return + * @return Zero if the chip doesn't exist + */ +uint64_t bdk_pbus_flash_get_base(int chip_id); + +/** + * Return the number of erasable regions on the chip + * + * @param chip_id Chip to return info for + * @return Number of regions + */ +int bdk_pbus_flash_get_num_regions(int chip_id); + +/** + * Return information about a flash chips region + * + * @param chip_id Chip to get info for + * @param region Region to get info for + * @return Region information + */ +const bdk_pbus_flash_region_t *bdk_pbus_flash_get_region_info(int chip_id, int region); + +/** + * Erase a block on the flash chip + * + * @param chip_id Chip to erase a block on + * @param region Region to erase a block in + * @param block Block number to erase + * @return Zero on success. Negative on failure + */ +int bdk_pbus_flash_erase_block(int chip_id, int region, int block); + +/** + * Write data to flash. The block must have already been erased. You can call + * this multiple times on the same block to piecemeal write it. + * + * @param chip_id Which flash to write + * @param offset Offset into device to start write + * @param data Data to write + * @param len Length of the data + * + * @return Zero on success. Negative on failure + */ +int bdk_pbus_flash_write(int chip_id, int offset, const void *data, int len); + +/** @} */ |