summaryrefslogtreecommitdiff
path: root/src/drivers/uart/uart8250io.c
AgeCommit message (Collapse)Author
2016-09-30soc/intel/fsp_broadwell_de/uart: Drop itNico Huber
A copy of our uart8250io driver sneaked in with Broadwell-DE support. The only difference is the lack of initialization (due to FSP handling that). TEST=manually compared resulting object files Change-Id: I09be10b76c76c1306ad2c8db8fb07794dde1b0f2 Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: https://review.coreboot.org/16786 Tested-by: build bot (Jenkins) Reviewed-by: York Yang <york.yang@intel.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2016-05-09drivers/uart: Use uart_platform_refclk for all UART modelsLee Leahy
Allow the platform to override the input clock for the UART by implementing the routine uart_platform_refclk and setting the Kconfig value UART_OVERRIDE_REFCLK. Provide a default uart_platform_refclk routine which is disabled when UART_OVERRIDE_REFCLK is selected. This works around ROMCC not supporting weak routines. Testing on Galileo: * Edit the src/mainboard/intel/galileo/Makefile.inc file: * Add "select ADD_FSP_PDAT_FILE" * Add "select ADD_FSP_RAW_BIN" * Add "select ADD_RMU_FILE" * Place the FSP.bin file in the location specified by CONFIG_FSP_FILE * Place the pdat.bin files in the location specified by CONFIG_FSP_PDAT_FILE * Place the rmu.bin file in the location specified by CONFIG_RMU_FILE * Build EDK2 CorebootPayloadPkg/CorebootPayloadPkgIa32.dsc to generate UEFIPAYLOAD.fd * Testing is successful when CorebootPayloadPkg is able to properly initialize the serial port without using built-in values. Change-Id: If4afc45a828e5ba935fecb6d95b239625e912d14 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/14612 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-05-09drivers/uart: Enable override for input clock dividerLee Leahy
Allow the platform to override the input clock divider by adding the uart_input_clock_divider routine. This routine combines the baud-rate oversample divider with any other input clock divider. The default routine returns 16 which is the standard baud-rate oversampling value. A platform may override this default "weak" routine by providing a new routine and selecting UART_OVERRIDE_INPUT_CLOCK_DIVIDER. This works around ROMCC not supporting weak routines. Testing on Galileo: * Edit the src/mainboard/intel/galileo/Makefile.inc file: * Add "select ADD_FSP_PDAT_FILE" * Add "select ADD_FSP_RAW_BIN" * Add "select ADD_RMU_FILE" * Place the FSP.bin file in the location specified by CONFIG_FSP_FILE * Place the pdat.bin files in the location specified by CONFIG_FSP_PDAT_FILE * Place the rmu.bin file in the location specified by CONFIG_RMU_FILE * Build EDK2 CorebootPayloadPkg/CorebootPayloadPkgIa32.dsc to generate UEFIPAYLOAD.fd * Testing is successful when CorebootPayloadPkg is able to properly initialize the serial port without using built-in values. Change-Id: Ieb6453b045d84702b8f730988d0fed9f253f63e2 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/14611 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-05-09coreboot_tables: Extend serial port descriptionLee Leahy
Extend the serial port description to include the input clock frequency and a payload specific value. Without the input frequency it is impossible for the payload to compute the baud-rate divisor without making an assumption about the frequency. This breaks down when the UART is able to support multiple input clock frequencies. Add the UART_PCI_ADDR Kconfig value to specify the unique PCI device being used as the console UART. Specify this value as zero when the UART is not on the PCI bus. Otherwise specify the device using bus, device and function along with setting the valid bit. Currently the only payload to consume these new fields is the EDK-II CorebootPayloadPkg. Testing on Galileo: * Edit the src/mainboard/intel/galileo/Makefile.inc file: * Add "select ADD_FSP_PDAT_FILE" * Add "select ADD_FSP_RAW_BIN" * Add "select ADD_RMU_FILE" * Place the FSP.bin file in the location specified by CONFIG_FSP_FILE * Place the pdat.bin files in the location specified by CONFIG_FSP_PDAT_FILE * Place the rmu.bin file in the location specified by CONFIG_RMU_FILE * Build EDK2 CorebootPayloadPkg/CorebootPayloadPkgIa32.dsc to generate UEFIPAYLOAD.fd * Testing is successful when CorebootPayloadPkg is able to properly initialize the serial port without using built-in values. Change-Id: Id4b4455bbf9583f0d66c315d38c493a81fd852a8 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/14609 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2015-10-31tree: drop last paragraph of GPL copyright headerPatrick Georgi
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2015-05-21Remove address from GPLv2 headersPatrick Georgi
As per discussion with lawyers[tm], it's not a good idea to shorten the license header too much - not for legal reasons but because there are tools that look for them, and giving them a standard pattern simplifies things. However, we got confirmation that we don't have to update every file ever added to coreboot whenever the FSF gets a new lease, but can drop the address instead. util/kconfig is excluded because that's imported code that we may want to synchronize every now and then. $ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *MA[, ]*02110-1301[, ]*USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 59 Temple Place[-, ]*Suite 330, Boston, MA *02111-1307[, ]*USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.:Foundation, Inc.:" {} + $ find * -type f -a \! -name \*.patch \ -a \! -name \*_shipped \ -a \! -name LICENSE_GPL \ -a \! -name LGPL.txt \ -a \! -name COPYING \ -a \! -name DISCLAIMER \ -exec sed -i "/Foundation, Inc./ N;s:Foundation, Inc.* USA\.* *:Foundation, Inc. :;s:Foundation, Inc. $:Foundation, Inc.:" {} + Change-Id: Icc968a5a5f3a5df8d32b940f9cdb35350654bef9 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/9233 Tested-by: build bot (Jenkins) Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
2015-04-17uart: pass register width in the coreboot tableVadim Bendebury
Some SOCs (like pistachio, for instance) provide an 8250 compatible UART, which has the same register layout, but mapped to a bus of a different width. Instead of adding a new driver for these controllers, it is better to have coreboot report UART register width to libpayload, and have it adjust the offsets accordingly when accessing the UART. BRANCH=none BUG=chrome-os-partner:31438 TEST=with the rest of the patches integrated depthcharge console messages show up when running on the FPGA board Change-Id: I30b742146069450941164afb04641b967a214d6d Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 2c30845f269ec6ae1d53ddc5cda0b4320008fa42 Original-Change-Id: Ia0a37cd5f24a1ee4d0334f8a7e3da5df0069cec4 Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/240027 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/9738 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2014-10-16uarts: 32/64 cleanupRonald G. Minnich
We had lots of casts that caused warnings when compiling on RISCV. Clean them up. Change-Id: I46fcb33147ad6bf75e49ebfdfa05990e8c7ae4eb Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/7066 Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-08-25UART 8250: Unconditionally provide register constants and use UART8250 prefix.Gabe Black
The register indexes and bitfield masks were guarded by the UART8250 config options, but it might be (is) necessary to use them in a driver that is UART8250 like without actually using the 8250 driver itself. To avoid any name collision with other drivers, also change the constant prefix from UART_ to UART8250_. Change-Id: Ie606d9e0329132961c3004688176204a829569dc Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://chromium-review.googlesource.com/171336 Reviewed-by: Ronald Minnich <rminnich@chromium.org> Commit-Queue: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit a93900be8d8a8260db49e30737608f9161fbf249) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6715 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-04-30uart: Support multiple portsKyösti Mälkki
The port for console remains to be a compile time constant. The Kconfig option is changed to select an UART port with index to avoid putting map of UART base addresses in Kconfigs. With this change it is possible to have other than debug console on different UART port. Change-Id: Ie1845a946f8d3b2604ef5404edb31b2e811f3ccd Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5342 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2014-04-26uart8250io: Fix build with DEBUG_SMIKyösti Mälkki
Change-Id: I5110af348d22c0abc940f0922854fdd7e0c7e2e9 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5574 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-04-18console: Drop driver list in ramstageKyösti Mälkki
This framework was only available in ramstage. So we had to define console output functions separately for bootblock, romstage and SMM. Follow-up patches will re-enable all the consoles removed here, in a more flexible fashion, and with less lines-of-code and copy-paste. Also the driver list is not in a well-defined order and some of the loops could exit without visiting all drivers. NOTE: This build has no console in ramstage. Change-Id: Iaddc495aaca37e2a6c2c3f802a0dba27bf227a3e Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5337 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-04-09console uart: Fill coreboot table entriesKyösti Mälkki
Also fixes the reported baudrate to take get_option() into account. Change-Id: Ieadad70b00df02a530b0ccb6fa4e1b51526089f3 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5310 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-03-04uart8250: Move under drivers/uartKyösti Mälkki
Change-Id: Ic65ffaaa092330ed68d891e4a09a8b86cdc04a3a Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5236 Tested-by: build bot (Jenkins)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 10:57:44 +0000