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/*
* Copyright (c) 2014 Travis Geiselbrecht
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
/* a highly Zynq specific qspi interface */
struct qspi_ctxt {
uint32_t cfg;
uint32_t khz;
bool linear_mode;
};
int qspi_set_speed(struct qspi_ctxt *qspi, uint32_t khz);
int qspi_init(struct qspi_ctxt *qspi, uint32_t khz);
int qspi_enable_linear(struct qspi_ctxt *qspi);
int qspi_disable_linear(struct qspi_ctxt *qspi);
void qspi_rd(struct qspi_ctxt *qspi, uint32_t cmd, uint32_t asize, uint32_t *data, uint32_t count);
void qspi_wr(struct qspi_ctxt *qspi, uint32_t cmd, uint32_t asize, uint32_t *data, uint32_t count);
void qspi_wr1(struct qspi_ctxt *qspi, uint32_t cmd);
void qspi_wr2(struct qspi_ctxt *qspi, uint32_t cmd);
void qspi_wr3(struct qspi_ctxt *qspi, uint32_t cmd);
uint32_t qspi_rd1(struct qspi_ctxt *qspi, uint32_t cmd);
/* set 0 for chip select */
void qspi_cs(struct qspi_ctxt *qspi, unsigned int cs);
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