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/*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _ATH_FLASH_H
#define _ATH_FLASH_H
#define display(_x)
/*
* primitives
*/
#define ath_be_msb(_val, _i) (((_val) & (1 << (7 - _i))) >> (7 - _i))
#define ath_spi_bit_banger(_byte) do { \
int i; \
for(i = 0; i < 8; i++) { \
ath_reg_wr_nf(ATH_SPI_WRITE, \
ATH_SPI_CE_LOW | ath_be_msb(_byte, i)); \
ath_reg_wr_nf(ATH_SPI_WRITE, \
ATH_SPI_CE_HIGH | ath_be_msb(_byte, i)); \
} \
} while (0)
#define ath_spi_go() do { \
ath_reg_wr_nf(ATH_SPI_WRITE, ATH_SPI_CE_LOW); \
ath_reg_wr_nf(ATH_SPI_WRITE, ATH_SPI_CS_DIS); \
} while (0)
#define ath_spi_send_addr(__a) do { \
ath_spi_bit_banger(((__a & 0xff0000) >> 16)); \
ath_spi_bit_banger(((__a & 0x00ff00) >> 8)); \
ath_spi_bit_banger(__a & 0x0000ff); \
} while (0)
#define ath_spi_delay_8() ath_spi_bit_banger(0)
#define ath_spi_done() ath_reg_wr_nf(ATH_SPI_FS, 0)
extern unsigned long flash_get_geom (flash_info_t *flash_info);
#endif /* _ATH_FLASH_H */