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Replace most of the switch cases in the spi code with lookup on a struct instead

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This brings the SPI code in line with the generic programmer
infrastructure.

This patch is a reworked version of a patch by Jakob Bornecrantz.

Corresponding to flashrom svn r657.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Signed-off-by: Jakob Bornecrantz <wallbraker@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jakob Bornecrantz <wallbraker@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Carl-Daniel Hailfinger
2009-07-22 15:36:50 +00:00
parent f3196df7f0
commit 02487aa4ed
3 changed files with 158 additions and 86 deletions
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14
flash.h
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@ -420,8 +420,18 @@ struct spi_command {
const unsigned char *writearr;
unsigned char *readarr;
};
struct spi_programmer {
int (*command)(unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr);
int (*multicommand)(struct spi_command *spicommands);
/* Optimized functions for this programmer */
int (*read)(struct flashchip *flash, uint8_t *buf, int start, int len);
int (*write_256)(struct flashchip *flash, uint8_t *buf);
};
extern enum spi_controller spi_controller;
extern const struct spi_programmer spi_programmer[];
extern void *spibar;
int probe_spi_rdid(struct flashchip *flash);
int probe_spi_rdid4(struct flashchip *flash);
@ -452,6 +462,9 @@ int spi_nbyte_read(int addr, uint8_t *bytes, int len);
int spi_read_chunked(struct flashchip *flash, uint8_t *buf, int start, int len, int chunksize);
int spi_aai_write(struct flashchip *flash, uint8_t *buf);
uint32_t spi_get_valid_read_addr(void);
int default_spi_send_command(unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr);
int default_spi_send_multicommand(struct spi_command *spicommands);
/* 82802ab.c */
int probe_82802ab(struct flashchip *flash);
@ -477,6 +490,7 @@ int ich_spi_send_command(unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr);
int ich_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len);
int ich_spi_write_256(struct flashchip *flash, uint8_t * buf);
int ich_spi_send_multicommand(struct spi_command *spicommands);
/* it87spi.c */
extern char *it87opts;