From 362e02845295c56a3c1fbb4c5fd39b318a45253c Mon Sep 17 00:00:00 2001 From: Daisuke Nojiri Date: Thu, 11 Mar 2021 13:17:35 -0800 Subject: PCHG: Support firmware update This patch adds EC_CMD_PCHG_UPDATE, which allows the host to update firmware of ctn730 via I2C. An updater (e.g. ectool) is expected to issue EC_PCHG_UPDATE_CMD_OPEN, multiple EC_PCHG_UPDATE_CMD_WRITEs, then EC_PCHG_UPDATE_CLOSE. Each sub-command completion is notified to the host via EC_MKBP_EVENT_PCHG. An updater is supposed to wait for the previous sub-command to complete before proceeding to the next. Example: localhost ~ # ectool pchg 0 State: DOWNLOAD (6) FW Version: 0x104 localhost ~ # ectool pchg 0 update 0x207000 0x105 /path/to/image.bin Update file /path/to/image.bin (85632 bytes) is opened. Writing firmware (port=0 ver=0x105 addr=0x207000 bsize=128): ********************************************************************** FW update session closed (CRC32=0x7bd5c66f). localhost ~ # ectool pchg 0 reset Reset port 0 complete localhost ~ # ectool pchg 0 State: ENABLED (2) FW Version: 0x105 BUG=b:182600604, b:173235954 BRANCH=trogdor TEST=ectool pchg 0 update 0x201200 0x105 /tmp/user_ee_X0.1_V1.5.bin TEST=ectool pchg 0 reset Signed-off-by: Daisuke Nojiri Change-Id: I9c62f1714dd69428ab5870c443cb4eb77881a6c6 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2757099 --- util/build.mk | 1 + 1 file changed, 1 insertion(+) (limited to 'util/build.mk') diff --git a/util/build.mk b/util/build.mk index e868e32eff..9f9430a3b4 100644 --- a/util/build.mk +++ b/util/build.mk @@ -30,6 +30,7 @@ comm-objs+=comm-lpc.o comm-i2c.o misc_util.o iteflash-objs = iteflash.o usb_if.o ectool-objs=ectool.o ectool_keyscan.o ec_flash.o ec_panicinfo.o $(comm-objs) +ectool-objs+=../common/crc.o ectool_servo-objs=$(ectool-objs) comm-servo-spi.o ec_sb_firmware_update-objs=ec_sb_firmware_update.o $(comm-objs) misc_util.o ec_sb_firmware_update-objs+=powerd_lock.o -- cgit v1.2.1