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Code Issues Releases Wiki Activity

Factor out SPI write/read chunking wrappers

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Corresponding to flashrom svn r1298.

Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Michael Karcher 2011-05-11 17:07:02 +00:00
parent b713d2e35c
commit 627975196d
9 changed files with 87 additions and 115 deletions
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11
bitbang_spi.c
View File

@ -151,14 +151,3 @@ int bitbang_spi_send_command(unsigned int writecnt, unsigned int readcnt,
return 0;
}
int bitbang_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len)
{
/* Maximum read length is unlimited, use 64k bytes. */
return spi_read_chunked(flash, buf, start, len, 64 * 1024);
}
int bitbang_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len)
{
return spi_write_chunked(flash, buf, start, len, 256);
}

10
buspirate_spi.c
View File

@ -326,13 +326,3 @@ int buspirate_spi_send_command(unsigned int writecnt, unsigned int readcnt,
return ret;
}
int buspirate_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len)
{
return spi_read_chunked(flash, buf, start, len, 12);
}
int buspirate_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len)
{
return spi_write_chunked(flash, buf, start, len, 12);
}

6
dummyflasher.c
View File

@ -507,12 +507,6 @@ int dummy_spi_send_command(unsigned int writecnt, unsigned int readcnt,
return 0;
}
int dummy_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len)
{
/* Maximum read length is unlimited, use 64kB. */
return spi_read_chunked(flash, buf, start, len, 64 * 1024);
}
int dummy_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len)
{
return spi_write_chunked(flash, buf, start, len,

11
ft2232_spi.c
View File

@ -352,17 +352,6 @@ int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt,
return failed ? -1 : 0;
}
int ft2232_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len)
{
/* Maximum read length is 64k bytes. */
return spi_read_chunked(flash, buf, start, len, 64 * 1024);
}
int ft2232_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len)
{
return spi_write_chunked(flash, buf, start, len, 256);
}
void print_supported_usbdevs(const struct usbdev_status *devs)
{
int i;

20
ichspi.c
View File

@ -834,26 +834,6 @@ static int run_opcode(OPCODE op, uint32_t offset,
return -1;
}
int ich_spi_read(struct flashchip *flash, uint8_t * buf, int start, int len)
{
int maxdata = 64;
if (spi_controller == SPI_CONTROLLER_VIA)
maxdata = 16;
return spi_read_chunked(flash, buf, start, len, maxdata);
}
int ich_spi_write_256(struct flashchip *flash, uint8_t * buf, int start, int len)
{
int maxdata = 64;
if (spi_controller == SPI_CONTROLLER_VIA)
maxdata = 16;
return spi_write_chunked(flash, buf, start, len, maxdata);
}
int ich_spi_send_command(unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr)
{

10
it85spi.c
View File

@ -347,14 +347,4 @@ int it85xx_spi_send_command(unsigned int writecnt, unsigned int readcnt,
return 0;
}
int it85_spi_read(struct flashchip *flash, uint8_t * buf, int start, int len)
{
return spi_read_chunked(flash, buf, start, len, 64);
}
int it85_spi_write_256(struct flashchip *flash, uint8_t * buf, int start, int len)
{
return spi_write_chunked(flash, buf, start, len, 64);
}
#endif

21
programmer.h
View File

@ -374,7 +374,6 @@ uint32_t dummy_chip_readl(const chipaddr addr);
void dummy_chip_readn(uint8_t *buf, const chipaddr addr, size_t len);
int dummy_spi_send_command(unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr);
int dummy_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len);
int dummy_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len);
#endif
@ -487,8 +486,6 @@ struct usbdev_status {
};
int ft2232_spi_init(void);
int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr);
int ft2232_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len);
int ft2232_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len);
extern const struct usbdev_status devs_ft2232spi[];
void print_supported_usbdevs(const struct usbdev_status *devs);
#endif
@ -509,8 +506,6 @@ int mcp6x_spi_init(int want_spi);
int bitbang_spi_init(const struct bitbang_spi_master *master, int halfperiod);
int bitbang_spi_shutdown(const struct bitbang_spi_master *master);
int bitbang_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr);
int bitbang_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len);
int bitbang_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len);
/* buspirate_spi.c */
struct buspirate_spispeeds {
@ -520,8 +515,6 @@ struct buspirate_spispeeds {
int buspirate_spi_init(void);
int buspirate_spi_shutdown(void);
int buspirate_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr);
int buspirate_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len);
int buspirate_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len);
/* dediprog.c */
int dediprog_init(void);
@ -586,7 +579,13 @@ enum spi_controller {
SPI_CONTROLLER_INVALID /* This must always be the last entry. */
};
extern const int spi_programmer_count;
#define MAX_DATA_UNSPECIFIED 0
#define MAX_DATA_READ_UNLIMITED 64 * 1024
#define MAX_DATA_WRITE_UNLIMITED 256
struct spi_programmer {
int max_data_read;
int max_data_write;
int (*command)(unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr);
int (*multicommand)(struct spi_command *cmds);
@ -601,6 +600,8 @@ extern const struct spi_programmer spi_programmer[];
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 *cmds);
int default_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len);
int default_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len);
/* ichspi.c */
#if CONFIG_INTERNAL == 1
@ -610,8 +611,6 @@ int ich_init_spi(struct pci_dev *dev, uint32_t base, void *rcrb,
int via_init_spi(struct pci_dev *dev);
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 start, int len);
int ich_spi_send_multicommand(struct spi_command *cmds);
#endif
@ -620,8 +619,6 @@ int it85xx_spi_init(struct superio s);
int it85xx_shutdown(void);
int it85xx_spi_send_command(unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr);
int it85_spi_read(struct flashchip *flash, uint8_t * buf, int start, int len);
int it85_spi_write_256(struct flashchip *flash, uint8_t * buf, int start, int len);
/* it87spi.c */
void enter_conf_mode_ite(uint16_t port);
@ -638,8 +635,6 @@ int it8716f_spi_chip_write_256(struct flashchip *flash, uint8_t *buf, int start,
int sb600_probe_spi(struct pci_dev *dev);
int sb600_spi_send_command(unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr);
int sb600_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len);
int sb600_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len);
#endif
/* wbsio_spi.c */

11
sb600spi.c
View File

@ -43,17 +43,6 @@
static uint8_t *sb600_spibar = NULL;
int sb600_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len)
{
/* Maximum read length is 8 bytes. */
return spi_read_chunked(flash, buf, start, len, 8);
}
int sb600_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len)
{
return spi_write_chunked(flash, buf, start, len, 5);
}
static void reset_internal_fifo_pointer(void)
{
mmio_writeb(mmio_readb(sb600_spibar + 2) | 0x10, sb600_spibar + 2);

102
spi.c
View File

@ -34,6 +34,8 @@ enum spi_controller spi_controller = SPI_CONTROLLER_NONE;
const struct spi_programmer spi_programmer[] = {
{ /* SPI_CONTROLLER_NONE */
.max_data_read = MAX_DATA_UNSPECIFIED,
.max_data_write = MAX_DATA_UNSPECIFIED,
.command = NULL,
.multicommand = NULL,
.read = NULL,
@ -43,27 +45,35 @@ const struct spi_programmer spi_programmer[] = {
#if CONFIG_INTERNAL == 1
#if defined(__i386__) || defined(__x86_64__)
{ /* SPI_CONTROLLER_ICH7 */
.max_data_read = 64,
.max_data_write = 64,
.command = ich_spi_send_command,
.multicommand = ich_spi_send_multicommand,
.read = ich_spi_read,
.write_256 = ich_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
{ /* SPI_CONTROLLER_ICH9 */
.max_data_read = 64,
.max_data_write = 64,
.command = ich_spi_send_command,
.multicommand = ich_spi_send_multicommand,
.read = ich_spi_read,
.write_256 = ich_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
{ /* SPI_CONTROLLER_IT85XX */
.max_data_read = 64,
.max_data_write = 64,
.command = it85xx_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = it85_spi_read,
.write_256 = it85_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
{ /* SPI_CONTROLLER_IT87XX */
.max_data_read = MAX_DATA_UNSPECIFIED,
.max_data_write = MAX_DATA_UNSPECIFIED,
.command = it8716f_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = it8716f_spi_chip_read,
@ -71,20 +81,26 @@ const struct spi_programmer spi_programmer[] = {
},
{ /* SPI_CONTROLLER_SB600 */
.max_data_read = 8,
.max_data_write = 5,
.command = sb600_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = sb600_spi_read,
.write_256 = sb600_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
{ /* SPI_CONTROLLER_VIA */
.max_data_read = 16,
.max_data_write = 16,
.command = ich_spi_send_command,
.multicommand = ich_spi_send_multicommand,
.read = ich_spi_read,
.write_256 = ich_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
{ /* SPI_CONTROLLER_WBSIO */
.max_data_read = MAX_DATA_UNSPECIFIED,
.max_data_write = MAX_DATA_UNSPECIFIED,
.command = wbsio_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = wbsio_spi_read,
@ -92,43 +108,53 @@ const struct spi_programmer spi_programmer[] = {
},
{ /* SPI_CONTROLLER_MCP6X_BITBANG */
.max_data_read = MAX_DATA_READ_UNLIMITED,
.max_data_write = MAX_DATA_WRITE_UNLIMITED,
.command = bitbang_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = bitbang_spi_read,
.write_256 = bitbang_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
#endif
#endif
#if CONFIG_FT2232_SPI == 1
{ /* SPI_CONTROLLER_FT2232 */
.max_data_read = 64 * 1024,
.max_data_write = 256,
.command = ft2232_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = ft2232_spi_read,
.write_256 = ft2232_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
#endif
#if CONFIG_DUMMY == 1
{ /* SPI_CONTROLLER_DUMMY */
.max_data_read = MAX_DATA_READ_UNLIMITED,
.max_data_write = MAX_DATA_UNSPECIFIED,
.command = dummy_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = dummy_spi_read,
.read = default_spi_read,
.write_256 = dummy_spi_write_256,
},
#endif
#if CONFIG_BUSPIRATE_SPI == 1
{ /* SPI_CONTROLLER_BUSPIRATE */
.max_data_read = 12,
.max_data_write = 12,
.command = buspirate_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = buspirate_spi_read,
.write_256 = buspirate_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
#endif
#if CONFIG_DEDIPROG == 1
{ /* SPI_CONTROLLER_DEDIPROG */
.max_data_read = MAX_DATA_UNSPECIFIED,
.max_data_write = MAX_DATA_UNSPECIFIED,
.command = dediprog_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = dediprog_spi_read,
@ -138,28 +164,34 @@ const struct spi_programmer spi_programmer[] = {
#if CONFIG_RAYER_SPI == 1
{ /* SPI_CONTROLLER_RAYER */
.max_data_read = MAX_DATA_READ_UNLIMITED,
.max_data_write = MAX_DATA_WRITE_UNLIMITED,
.command = bitbang_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = bitbang_spi_read,
.write_256 = bitbang_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
#endif
#if CONFIG_NICINTEL_SPI == 1
{ /* SPI_CONTROLLER_NICINTEL */
.max_data_read = MAX_DATA_READ_UNLIMITED,
.max_data_write = MAX_DATA_WRITE_UNLIMITED,
.command = bitbang_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = bitbang_spi_read,
.write_256 = bitbang_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
#endif
#if CONFIG_OGP_SPI == 1
{ /* SPI_CONTROLLER_OGP */
.max_data_read = MAX_DATA_READ_UNLIMITED,
.max_data_write = MAX_DATA_WRITE_UNLIMITED,
.command = bitbang_spi_send_command,
.multicommand = default_spi_send_multicommand,
.read = bitbang_spi_read,
.write_256 = bitbang_spi_write_256,
.read = default_spi_read,
.write_256 = default_spi_write_256,
},
#endif
@ -223,6 +255,30 @@ int default_spi_send_multicommand(struct spi_command *cmds)
return result;
}
int default_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len)
{
int max_data = spi_programmer[spi_controller].max_data_read;
if (max_data == MAX_DATA_UNSPECIFIED) {
msg_perr("%s called, but SPI read chunk size not defined "
"on this hardware. Please report a bug at "
"flashrom@flashrom.org\n", __func__);
return 1;
}
return spi_read_chunked(flash, buf, start, len, max_data);
}
int default_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len)
{
int max_data = spi_programmer[spi_controller].max_data_write;
if (max_data == MAX_DATA_UNSPECIFIED) {
msg_perr("%s called, but SPI write chunk size not defined "
"on this hardware. Please report a bug at "
"flashrom@flashrom.org\n", __func__);
return 1;
}
return spi_write_chunked(flash, buf, start, len, max_data);
}
int spi_chip_read(struct flashchip *flash, uint8_t *buf, int start, int len)
{
int addrbase = 0;