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Add serial port bitbanging code

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This adds the pony_spi driver which supports the SI_Prog adapter, which
is commonly used for SPI chips with PonyProg 2000, and a custom adapter
called "SERBANG" which differs in the logic of two pins.

Corresponding to flashrom svn r1525.

Signed-off-by: Virgil-Adrian Teaca <darkstarlinux@gmail.com>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
This commit is contained in:
Virgil-Adrian Teaca
2012-04-30 23:11:06 +00:00
committed by Michael Karcher
parent 2abab94c18
commit da7c545b06
6 changed files with 283 additions and 1 deletions
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40
programmer.h
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@ -69,6 +69,9 @@ enum programmer {
#if CONFIG_RAYER_SPI == 1
PROGRAMMER_RAYER_SPI,
#endif
#if CONFIG_PONY_SPI == 1
PROGRAMMER_PONY_SPI,
#endif
#if CONFIG_NICINTEL == 1
PROGRAMMER_NICINTEL,
#endif
@ -110,6 +113,9 @@ enum bitbang_spi_master_type {
#if CONFIG_RAYER_SPI == 1
BITBANG_SPI_MASTER_RAYER,
#endif
#if CONFIG_PONY_SPI == 1
BITBANG_SPI_MASTER_PONY,
#endif
#if CONFIG_NICINTEL_SPI == 1
BITBANG_SPI_MASTER_NICINTEL,
#endif
@ -430,6 +436,11 @@ void print_supported_usbdevs(const struct usbdev_status *devs);
int rayer_spi_init(void);
#endif
/* pony_spi.c */
#if CONFIG_PONY_SPI == 1
int pony_spi_init(void);
#endif
/* bitbang_spi.c */
int bitbang_spi_init(const struct bitbang_spi_master *master);
@ -492,7 +503,7 @@ enum spi_controller {
#if CONFIG_DEDIPROG == 1
SPI_CONTROLLER_DEDIPROG,
#endif
#if CONFIG_OGP_SPI == 1 || CONFIG_NICINTEL_SPI == 1 || CONFIG_RAYER_SPI == 1 || (CONFIG_INTERNAL == 1 && (defined(__i386__) || defined(__x86_64__)))
#if CONFIG_OGP_SPI == 1 || CONFIG_NICINTEL_SPI == 1 || CONFIG_RAYER_SPI == 1 || CONFIG_PONY_SPI == 1 || (CONFIG_INTERNAL == 1 && (defined(__i386__) || defined(__x86_64__)))
SPI_CONTROLLER_BITBANG,
#endif
#if CONFIG_LINUX_SPI == 1
@ -636,4 +647,31 @@ int serialport_shutdown(void *data);
int serialport_write(unsigned char *buf, unsigned int writecnt);
int serialport_read(unsigned char *buf, unsigned int readcnt);
/* Serial port/pin mapping:
1 CD <-
2 RXD <-
3 TXD ->
4 DTR ->
5 GND --
6 DSR <-
7 RTS ->
8 CTS <-
9 RI <-
*/
enum SP_PIN {
PIN_CD = 1,
PIN_RXD,
PIN_TXD,
PIN_DTR,
PIN_GND,
PIN_DSR,
PIN_RTS,
PIN_CTS,
PIN_RI,
};
void sp_set_pin(enum SP_PIN pin, int val);
int sp_get_pin(enum SP_PIN pin);
#endif /* !__PROGRAMMER_H__ */