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- Fix handling of 5-byte Fast Read command in the ICH SPI
driver. This fix is ported from the U-boot driver.
- Allow CONFIG_SPI_FLASH_NO_FAST_READ to be overridden by
defining a name for the bool in Kconfig and removing the
forced select in southbridge config
- Fix use of CONFIG_SPI_FLASH_NO_FAST_READ in SPI drivers
to use #if instead of #ifdef
- Relocate flash functions in SMM so they are usable.
This really only needs to happen for read function pointer
since it uses a global function rather than a static one from
the chip, but it is good to ensure the rest are set up
correctly as well.
Change-Id: Ic1bb0764cb111f96dd8a389d83b39fe8f5e72fbd
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1775
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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The handling of write enable was not entirely correct,
the opcode needs to be skipped when the controller is
locked down.
Addresses were not getting set properly for erase commands
which seemed to mostly work when the previous command had
set an address.
Tested by adding events to the event log at runtime on a
freslhy flashed device (with locked down SPI controller)
until the log log shrink happens to ensure it does not hang:
hexdump -C elog.event.kernel_clean
00000000 01 00 00 00 ad de 00 00 00 00
for x in $(seq 1 232); do
cat elog.event.kernel_clean > /sys/firmware/gsmi/append_to_eventlog
done
mosys eventlog list | tail -6
154 | 2012-09-01 13:54:43 | Kernel Event | Clean Shutdown
155 | 2012-09-01 13:54:43 | Kernel Event | Clean Shutdown
156 | 2012-09-01 13:54:43 | Kernel Event | Clean Shutdown
157 | 2012-09-01 13:54:43 | Kernel Event | Clean Shutdown
158 | 2012-09-01 13:54:43 | Log area cleared | 1030
159 | 2012-09-01 13:54:43 | Kernel Event | Clean Shutdown
Change-Id: I3a50dae54422a9ff37daefce3632f8bcbe4eb89f
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1717
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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The code that attempts to use the opmenu needs to have a special
case for write enable now that it is handled as an atomic prefix
and not as a standalone opcode.
To test, ensure that runtime SPI write via ELOG is successful by
checking the event log for a kernel shutdown reason code:
5 | 2012-08-27 11:09:48 | Kernel Event | Clean Shutdown
6 | 2012-08-27 11:09:50 | System boot | 26
7 | 2012-08-27 11:09:50 | System Reset
Change-Id: I527638ef3e2a5ab100192c5be6e6b3b40916295a
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1710
Reviewed-by: Marc Jones <marcj303@gmail.com>
Tested-by: build bot (Jenkins)
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This was introduced when porting the SPI driver over from u-boot but it
is not needed. Hence drop the extra typedef and use device_t instead.
Change-Id: I3ab797a8e482d1c9aa1d004e488e99aeaffcdd8b
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1331
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Tested-by: build bot (Jenkins)
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- add Kconfig option for CONFIG_SPI_FLASH_SMM
- compile subsystem and chip drivers for smm if enabled
- change mdelay(1) to udelay(500) since mdelay is not defined
in SMM and a 1ms delay is worth avoiding
- make flash chip structure non-const so the probe function
pointers can be relocated for use in TSEG
- Make SMM PCI access possible in southbridge SPI code
Change-Id: Icfcbbe8e4e56658769d46af0b5bf6c79a6432641
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1313
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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We don't ever free memory in coreboot, hence drop spi_flash_free() and
spi_free_slave()
Change-Id: I0ca3f78574ceb4516e7d33c06ab1a58abfb3b0ec
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1273
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Change-Id: I98b05d9e639eda880b6e8dc6398413d1f4f5e9c3
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1048
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Right now coreboot compilation fails when SPI flash debugging is
enabled. Fix it by using the right set of memory functions.
Change-Id: I5e372c4a5df53b4d46aaed9e251e5205ff68cb5b
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1044
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
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This driver is taken from u-boot and adapted to match
coreboot. It still contains some hacks and is ICH specific
at places.
Change-Id: I97dd8096f7db3b62f8f4f4e4d08bdee10d88f689
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/997
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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