diff options
Diffstat (limited to 'src/drivers/spi')
| -rw-r--r-- | src/drivers/spi/Kconfig | 7 | ||||
| -rw-r--r-- | src/drivers/spi/Makefile.inc | 13 | ||||
| -rw-r--r-- | src/drivers/spi/spi_flash.c | 11 |
3 files changed, 29 insertions, 2 deletions
diff --git a/src/drivers/spi/Kconfig b/src/drivers/spi/Kconfig index ee7584c0c4..e022290457 100644 --- a/src/drivers/spi/Kconfig +++ b/src/drivers/spi/Kconfig @@ -24,6 +24,13 @@ config SPI_FLASH Select this option if your chipset driver needs to store certain data in the SPI flash. +config SPI_FLASH_SMM + bool "SPI flash driver support in SMM" + default n + depends on SPI_FLASH && HAVE_SMI_HANDLER + help + Select this option if you want SPI flash support in SMM. + config SPI_FLASH_EON bool default y diff --git a/src/drivers/spi/Makefile.inc b/src/drivers/spi/Makefile.inc index 1814e80003..7f94abd269 100644 --- a/src/drivers/spi/Makefile.inc +++ b/src/drivers/spi/Makefile.inc @@ -10,3 +10,16 @@ ramstage-$(CONFIG_SPI_FLASH_STMICRO) += stmicro.c ramstage-$(CONFIG_SPI_FLASH_WINBOND) += winbond.c ramstage-$(CONFIG_SPI_FRAM_RAMTRON) += ramtron.c +ifeq ($(CONFIG_SPI_FLASH_SMM),y) +# SPI flash driver interface +smm-$(CONFIG_SPI_FLASH) += spi_flash.c + +# drivers +smm-$(CONFIG_SPI_FLASH_EON) += eon.c +smm-$(CONFIG_SPI_FLASH_MACRONIX) += macronix.c +smm-$(CONFIG_SPI_FLASH_SPANSION) += spansion.c +smm-$(CONFIG_SPI_FLASH_SST) += sst.c +smm-$(CONFIG_SPI_FLASH_STMICRO) += stmicro.c +smm-$(CONFIG_SPI_FLASH_WINBOND) += winbond.c +smm-$(CONFIG_SPI_FRAM_RAMTRON) += ramtron.c +endif
\ No newline at end of file diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c index 6cec611504..78c209d865 100644 --- a/src/drivers/spi/spi_flash.c +++ b/src/drivers/spi/spi_flash.c @@ -12,6 +12,9 @@ #include <spi.h> #include <spi_flash.h> #include <delay.h> +#ifdef __SMM__ +#include <cpu/x86/smm.h> +#endif #include "spi_flash_internal.h" static void spi_flash_addr(u32 addr, u8 *cmd) @@ -115,7 +118,7 @@ int spi_flash_cmd_poll_bit(struct spi_flash *flash, unsigned long timeout, if ((status & poll_bit) == 0) break; - mdelay(1); + udelay(500); } while (timebase--); if ((status & poll_bit) == 0) @@ -206,7 +209,7 @@ out: */ #define IDCODE_CONT_LEN 0 #define IDCODE_PART_LEN 5 -static const struct { +static struct { const u8 shift; const u8 idcode; struct spi_flash *(*probe) (struct spi_slave *spi, u8 *idcode); @@ -275,6 +278,10 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, /* search the table for matches in shift and id */ for (i = 0; i < ARRAY_SIZE(flashes); ++i) if (flashes[i].shift == shift && flashes[i].idcode == *idp) { +#ifdef __SMM__ + /* Need to relocate this function */ + tseg_relocate((void **)&flashes[i].probe); +#endif /* we have a match, call probe */ flash = flashes[i].probe(spi, idp); if (flash) |