diff options
| author | Subrata Banik <subrata.banik@intel.com> | 2020-08-26 15:53:00 +0530 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-09-02 07:17:39 +0000 |
| commit | d16ef4d21ea7efcad97b49bc2633caa4342ecbea (patch) | |
| tree | eb835ba99e157772ddd315c575c5f75fb3b031f7 /util/ifdtool | |
| parent | bd2da5a4b560b96501e343b04fb1e0e189da55cc (diff) | |
util/ifdtool: Fix SPI frequency as per Gen11 SPI flash guide
BUG=b:153888802
TEST=Able to list correct SPI frequency as per TGL SPI flash guide
Without this CL :
Found Component Section
FLCOMP 0x093030f6
Dual Output Fast Read Support: not supported
Read ID/Read Status Clock Frequency: 33MHz
Write/Erase Clock Frequency: 33MHz
Fast Read Clock Frequency: 33MHz
Fast Read Support: supported
Read Clock Frequency: 20MHz
With this CL :
Found Component Section
FLCOMP 0x093030f6
Dual Output Fast Read Support: not supported
Read ID/Read Status Clock Frequency: 50MHz
Write/Erase Clock Frequency: 50MHz
Fast Read Clock Frequency: 50MHz
Fast Read Support: supported
Read Clock Frequency: 20MHz
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Change-Id: Id0a0a0cbd948ef8334cf522c09e881b464e87f0e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44819
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'util/ifdtool')
| -rw-r--r-- | util/ifdtool/ifdtool.c | 33 | ||||
| -rw-r--r-- | util/ifdtool/ifdtool.h | 8 |
2 files changed, 40 insertions, 1 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c index 56e05fe21b..9f507bb68d 100644 --- a/util/ifdtool/ifdtool.c +++ b/util/ifdtool/ifdtool.c @@ -448,7 +448,7 @@ static void dump_frba_layout(const frba_t *frba, const char *layout_fname) printf("Wrote layout to %s\n", layout_fname); } -static void decode_spi_frequency(unsigned int freq) +static void _decode_spi_frequency(unsigned int freq) { switch (freq) { case SPI_FREQUENCY_20MHZ: @@ -478,6 +478,37 @@ static void decode_spi_frequency(unsigned int freq) } } +static void _decode_spi_frequency_500_series(unsigned int freq) +{ + switch (freq) { + case SPI_FREQUENCY_100MHZ: + printf("100MHz"); + break; + case SPI_FREQUENCY_50MHZ: + printf("50MHz"); + break; + case SPI_FREQUENCY_500SERIES_33MHZ: + printf("33MHz"); + break; + case SPI_FREQUENCY_25MHZ: + printf("25MHz"); + break; + case SPI_FREQUENCY_14MHZ: + printf("14MHz"); + break; + default: + printf("unknown<%x>MHz", freq); + } +} + +static void decode_spi_frequency(unsigned int freq) +{ + if (chipset == CHIPSET_500_SERIES_TIGER_POINT) + _decode_spi_frequency_500_series(freq); + else + _decode_spi_frequency(freq); +} + static void decode_component_density(unsigned int density) { switch (density) { diff --git a/util/ifdtool/ifdtool.h b/util/ifdtool/ifdtool.h index fb3de2fb39..0842924ec1 100644 --- a/util/ifdtool/ifdtool.h +++ b/util/ifdtool/ifdtool.h @@ -63,6 +63,14 @@ enum spi_frequency { SPI_FREQUENCY_17MHZ = 6, }; +enum spi_frequency_500_series { + SPI_FREQUENCY_100MHZ = 0, + SPI_FREQUENCY_50MHZ = 1, + SPI_FREQUENCY_500SERIES_33MHZ = 3, + SPI_FREQUENCY_25MHZ = 4, + SPI_FREQUENCY_14MHZ = 6, +}; + enum component_density { COMPONENT_DENSITY_512KB = 0, COMPONENT_DENSITY_1MB = 1, |