diff options
| author | Ting Shen <phoenixshen@google.com> | 2021-01-13 17:22:10 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-01-19 10:12:49 +0000 |
| commit | 409116ad8d07b5607e2643350d42b2e5f239d2d0 (patch) | |
| tree | 39cc3d488fa30280ce013be785999501d517b758 /board/hammer | |
| parent | 06da8cbc7593528981c14ae23dd4b2748bd66b89 (diff) | |
| download | chrome-ec-409116ad8d07b5607e2643350d42b2e5f239d2d0.tar.gz | |
touchpad_updater: implement 512 byte transfer
Migrate the touchpad probe/update logic from CL:2551939 to
touchpad_updater.
Also adjust the memory allocation on Zed to allow 512 byte packet.
BUG=b:177250972
TEST=On coachz, update detachable fw and run
`ec_touchpad_updater -p 504c -f 282.0_2.bin`
BRANCH=master
Signed-off-by: Ting Shen <phoenixshen@google.com>
Change-Id: Icc7cec1f500dca04d6cdec5b66c10bcce05b67bd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2637304
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Commit-Queue: Ting Shen <phoenixshen@chromium.org>
Tested-by: Ting Shen <phoenixshen@chromium.org>
Diffstat (limited to 'board/hammer')
| -rw-r--r-- | board/hammer/board.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/board/hammer/board.h b/board/hammer/board.h index 15928b7ca4..d9e4236481 100644 --- a/board/hammer/board.h +++ b/board/hammer/board.h @@ -91,8 +91,8 @@ #define CONFIG_USB_UPDATE #undef CONFIG_UPDATE_PDU_SIZE -#ifdef BOARD_WAND -/* Wand does not have enough space to fit 4k PDU. */ +#if defined(BOARD_WAND) || defined(BOARD_ZED) +/* Wand/Zed does not have enough space to fit 4k PDU. */ #define CONFIG_UPDATE_PDU_SIZE 2048 #else #define CONFIG_UPDATE_PDU_SIZE 4096 @@ -175,7 +175,12 @@ * buffer size have to be power of two. */ #undef CONFIG_USB_I2C_MAX_WRITE_COUNT +#ifdef BOARD_ZED +/* Zed requires 516 byte per packet for touchpad update */ +#define CONFIG_USB_I2C_MAX_WRITE_COUNT (1024 - 4) /* 4 is maximum header size */ +#else #define CONFIG_USB_I2C_MAX_WRITE_COUNT (128 - 4) /* 4 is maximum header size */ +#endif #undef CONFIG_USB_I2C_MAX_READ_COUNT #define CONFIG_USB_I2C_MAX_READ_COUNT (1024 - 6) /* 6 is maximum header size */ |