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* core/nds32: Instruct linker to use fp registers for storing gp valuesPatrick Georgi2018-07-161-0/+1
| | | | | | | | | | | | | | | This significantly decreases the code size. BUG=b:65441143 BRANCH=none TEST=building reef_it8320 with gcc 8.1 works Change-Id: I4787e33a80363fa8b0f3c184167c4067ff03bffa Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://chromium-review.googlesource.com/1126317 Commit-Ready: Patrick Georgi <pgeorgi@chromium.org> Tested-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-by: Jett Rink <jettrink@chromium.org>
* Revert "nds32: make code build with gcc 8.1"Justin TerAvest2018-06-141-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 194c7a7e0ad27ee80abc66d211a3f7e8e4e2f4d1. Reason for revert: Breaks build for octopus-release. Original change's description: > nds32: make code build with gcc 8.1 > > *** 21744 bytes still available in flash on reef_it8320 **** > > BUG=b:65441143 > BRANCH=none > TEST=make BOARD=reef_it8320 builds with gcc 8.1. not tested at all > > Change-Id: Ie79ee23452574fd883c7f9425b8614346e46fdd7 > Signed-off-by: Patrick Georgi <pgeorgi@google.com> > Reviewed-on: https://chromium-review.googlesource.com/1077207 > Commit-Ready: Patrick Georgi <pgeorgi@chromium.org> > Tested-by: Patrick Georgi <pgeorgi@chromium.org> > Reviewed-by: Stefan Reinauer <reinauer@google.com> Bug: b:65441143 Change-Id: I1c37701be9c40d3a4b5a77e2e04e96c37150ca30 Reviewed-on: https://chromium-review.googlesource.com/1098717 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: Justin TerAvest <teravest@chromium.org> Reviewed-by: Furquan Shaikh <furquan@chromium.org> Reviewed-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-by: Justin TerAvest <teravest@chromium.org>
* nds32: make code build with gcc 8.1Patrick Georgi2018-06-111-0/+3
| | | | | | | | | | | | | | | *** 21744 bytes still available in flash on reef_it8320 **** BUG=b:65441143 BRANCH=none TEST=make BOARD=reef_it8320 builds with gcc 8.1. not tested at all Change-Id: Ie79ee23452574fd883c7f9425b8614346e46fdd7 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://chromium-review.googlesource.com/1077207 Commit-Ready: Patrick Georgi <pgeorgi@chromium.org> Tested-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-by: Stefan Reinauer <reinauer@google.com>
* nds32: enable GCC LTODino Li2017-11-301-0/+5
| | | | | | | | | | | | | | | | | | | - We have more flash space to use with nds32 toolchain GCC6.3.0, so we enable a few console commands that were disabled previously. And we also enable LTO to reduce the size of FW image. - Put "__wait_evt" function into ram_code section to fill the gap of flash and improving performance of code-fetch. BUG=none BRANCH=none TEST=boot to kernel on reef_it8320. Change-Id: I3b745ff80a57ef1163794864c39c22f7e1f86634 Signed-off-by: Dino Li <Dino.Li@ite.com.tw> Reviewed-on: https://chromium-review.googlesource.com/788712 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Reviewed-by: Randall Spangler <rspangler@chromium.org>
* nds32: use coreboot-sdk as the default toolchain for local buildDino Li2017-11-101-1/+4
| | | | | | | | | | | | | | | | | | | With this change, we can pass "make buildall" at local after it83xx based boards were removed from skip_boards. BRANCH=none BUG=none TEST=- Passed "make buildall -j" - CROSS_COMPILE_nds32=nds32le-cros-elf- make BOARD=it83xx_evb -j, build ec image by using nds32le-cros-elf toolchain. - make BOARD=it83xx_evb -j, coreboot-sdk is used. Change-Id: I689b67ed50ac5c80e7526f157ba28733d7216e14 Signed-off-by: Dino Li <Dino.Li@ite.com.tw> Reviewed-on: https://chromium-review.googlesource.com/762807 Commit-Ready: Patrick Georgi <pgeorgi@chromium.org> Tested-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
* nds32: add built-in functionDino Li2017-10-261-1/+1
| | | | | | | | | | | | | | | | | | A built-in function (__builtin_ffs) is missing after we sync down the source code to latest. Signed-off-by: Dino Li <dino.li@ite.com.tw> BRANCH=none BUG=none TEST=We use the CL:730246 to verify this change, and no error was received after running the test. Change-Id: I5210f85db05650545c9924940e8b24e350b82f71 Reviewed-on: https://chromium-review.googlesource.com/730245 Commit-Ready: Dino Li <Dino.Li@ite.com.tw> Tested-by: Dino Li <Dino.Li@ite.com.tw> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
* Allow core code to request its cross compilerPatrick Georgi2017-07-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Instead of having to pass in both the board and the arch used there (which might be complicated in the light of different ECs with different arches), allow passing in the board and a set of cross compilers. The core/*/build.mk then pick the compiler that is responsible for them. The current method works just the same: If you've already set CROSS_COMPILE, no override happens. If you set neither CROSS_COMPILE nor CROSS_COMPILE_$arch, the same default as before this CL is set. BUG=none BRANCH=none TEST=emerge-{samus,kevin} chromeos-ec behave reasonably with adapted ebuild Change-Id: Icf1866f296412dd92ecfe134394224c49f7c3df5 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://chromium-review.googlesource.com/549344 Commit-Ready: Patrick Georgi <pgeorgi@chromium.org> Tested-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-by: Stefan Reinauer <reinauer@google.com>
* nds32: add software floating point library routinesDino Li2017-06-231-0/+1
| | | | | | | | | | | | | | | | We need to add a few library routines for sensor task. Routines added are taken from nds32's library. BRANCH=none BUG=none TEST=Add sensor task to reef_it8320 board. Test screen rotation functionality on reef_it8320. Change-Id: I2eee33f897b38e05bddd30b16f875944259b2c0d Signed-off-by: Dino Li <Dino.Li@ite.com.tw> Reviewed-on: https://chromium-review.googlesource.com/527537 Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
* nds32: Add fabsf and sqrtf functionDino Li2017-01-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The magnetometer online calibration requires these two functions and taken from newlib. Signed-off-by: Dino Li <dino.li@ite.com.tw> BRANCH=none BUG=none TEST=fabsf(): fabsf(1.23) = 1.23 fabsf(-1.23) = 1.23 sqrtf(): sqrtf(4.56) = 2.135 sqrtf(0.123) = 0.350 sqrtf(-0.123) = an exception is triggered. Change-Id: I808ca7f1bd03c6d6c1b32861ede4ecbfeeaa3da6 Reviewed-on: https://chromium-review.googlesource.com/429730 Commit-Ready: Dino Li <Dino.Li@ite.com.tw> Tested-by: Dino Li <Dino.Li@ite.com.tw> Reviewed-by: Randall Spangler <rspangler@chromium.org>
* it8380dev: add __muldi3.SDino Li2015-08-141-1/+1
| | | | | | | | | | | | | | | | | | | | symptom: Enable debugging and profiling statistics for hook functions (#define CONFIG_HOOK_DEBUG), and __muldi3 function is missing while link. Signed-off-by: Dino Li <dino.li@ite.com.tw> BRANCH=none BUG=none TEST=1. compile successful and hook_notify starting to print message. 2. console "hookstats" Change-Id: Ia2815bcefd0f9ac06dab9c75ea6ee06312878ca2 Reviewed-on: https://chromium-review.googlesource.com/293432 Reviewed-by: Randall Spangler <rspangler@chromium.org> Commit-Queue: Dino Li <dino.li@ite.com.tw> Tested-by: Dino Li <dino.li@ite.com.tw>
* it8380dev: add pmc control moduleDino Li2015-06-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add pmc(LPC ACPI) control module for emulation board. Signed-off-by: Dino Li <dino.li@ite.com.tw> BRANCH=none BUG=none TEST=1. 62h/66h port. 1-a. out 66h 80h, out 62h 00h, in 62h 02h 1-b. out 66h 81h, out 62h 01h, out 62h 55h 1-c. out 66h 80h, out 62h 01h, in 62h 55h 1-d. out 66h 80h, out 62h 02h, in 62h aah 2. H2RAM LPC I/O cycle 900h ~ 9FFh = DLM 0x8D900 ~ 0x8D9FF and host read only. 3. 80h port, console command port80. 4. host command. 4-a. host request (LPC I/O 800h ~ 807h) 03 FD 00 00, 00 00 00 00 out 204h DAh, in 200h 00h host response (LPC I/O 800h ~ 80Bh) 03 F7 00 00, 04 00 00 00, 02 00 00 00 4-b. host request 03 EE 01 00, 00 00 04 00, 01 02 03 04 out 204h DAh, in 200h 00h host response 03 E5 00 00, 04 00 00 00, 05 05 05 05 Change-Id: I5c3bac66306dfba380548a74a64536ea606ddd3e Reviewed-on: https://chromium-review.googlesource.com/269271 Reviewed-by: Vincent Palatin <vpalatin@chromium.org> Tested-by: Dino Li <dino.li@ite.com.tw> Commit-Queue: Dino Li <dino.li@ite.com.tw>
* ite: Port OS layer to Andestar v3m architectureVincent Palatin2013-12-101-0/+15
This will be used to support ITE IT8380 chip which contains an Andes N801 core. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=chrome-os-partner:23574 TEST=make BOARD=it8380dev Change-Id: I91f9380c51c7712aa6a6418223a11551ab0091ce Reviewed-on: https://chromium-review.googlesource.com/175480 Reviewed-by: Randall Spangler <rspangler@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org>
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