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Winbond SuperIO SPI driver

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Developed and tested to work on Intel D201GLY in July 2008.
Tested by a helpful person on IRC whose name I've since forgotten. Sorry!

Corresponding to flashrom svn r404 and coreboot v2 svn r3910.

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Ward Vandewege <ward@gnu.org>
This commit is contained in:
Peter Stuge
2009-01-26 03:08:45 +00:00
parent 9d9399c5b4
commit bf196e9199
4 changed files with 218 additions and 3 deletions
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9
spi.c
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@ -44,6 +44,8 @@ int spi_command(unsigned int writecnt, unsigned int readcnt,
return ich_spi_command(writecnt, readcnt, writearr, readarr);
case BUS_TYPE_SB600_SPI:
return sb600_spi_command(writecnt, readcnt, writearr, readarr);
case BUS_TYPE_WBSIO_SPI:
return wbsio_spi_command(writecnt, readcnt, writearr, readarr);
default:
printf_debug
("%s called, but no SPI chipset/strapping detected\n",
@ -160,6 +162,7 @@ int probe_spi_rdid4(struct flashchip *flash)
case BUS_TYPE_ICH9_SPI:
case BUS_TYPE_VIA_SPI:
case BUS_TYPE_SB600_SPI:
case BUS_TYPE_WBSIO_SPI:
return probe_spi_rdid_generic(flash, 4);
default:
printf_debug("4b ID not supported on this SPI controller\n");
@ -229,7 +232,7 @@ int probe_spi_res(struct flashchip *flash)
uint8_t spi_read_status_register()
{
const unsigned char cmd[JEDEC_RDSR_OUTSIZE] = { JEDEC_RDSR };
unsigned char readarr[JEDEC_RDSR_INSIZE];
unsigned char readarr[2]; /* JEDEC_RDSR_INSIZE=1 but wbsio needs 2 */
/* Read Status Register */
if (flashbus == BUS_TYPE_SB600_SPI) {
@ -555,6 +558,8 @@ int spi_chip_read(struct flashchip *flash, uint8_t *buf)
case BUS_TYPE_ICH9_SPI:
case BUS_TYPE_VIA_SPI:
return ich_spi_read(flash, buf);
case BUS_TYPE_WBSIO_SPI:
return wbsio_spi_read(flash, buf);
default:
printf_debug
("%s called, but no SPI chipset/strapping detected\n",
@ -575,6 +580,8 @@ int spi_chip_write(struct flashchip *flash, uint8_t *buf)
case BUS_TYPE_ICH9_SPI:
case BUS_TYPE_VIA_SPI:
return ich_spi_write(flash, buf);
case BUS_TYPE_WBSIO_SPI:
return wbsio_spi_write(flash, buf);
default:
printf_debug
("%s called, but no SPI chipset/strapping detected\n",