diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-17 11:23:24 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-17 11:23:24 +0200 |
commit | a954e5fb4bc2d401b8fc3b4c7cd316497ff80225 (patch) | |
tree | 06af23b232c7c2e795a2fef8a5a0604ec64d5092 /drivers/misc/habanalabs/goya/goya_coresight.c | |
parent | Revert "usb: mtu3: fix up undefined reference to usb_debug_root" (diff) | |
parent | Linux 5.2-rc5 (diff) | |
download | linux-dev-a954e5fb4bc2d401b8fc3b4c7cd316497ff80225.tar.xz linux-dev-a954e5fb4bc2d401b8fc3b4c7cd316497ff80225.zip |
Merge 5.2-rc5 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/habanalabs/goya/goya_coresight.c')
-rw-r--r-- | drivers/misc/habanalabs/goya/goya_coresight.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/goya/goya_coresight.c b/drivers/misc/habanalabs/goya/goya_coresight.c index 1ac951f52d1e..d7ec7ad84cc6 100644 --- a/drivers/misc/habanalabs/goya/goya_coresight.c +++ b/drivers/misc/habanalabs/goya/goya_coresight.c @@ -425,8 +425,18 @@ static int goya_config_etr(struct hl_device *hdev, WREG32(base_reg + 0x28, 0); WREG32(base_reg + 0x304, 0); - if (params->output_size >= sizeof(u32)) - *(u32 *) params->output = RREG32(base_reg + 0x18); + if (params->output_size >= sizeof(u64)) { + u32 rwp, rwphi; + + /* + * The trace buffer address is 40 bits wide. The end of + * the buffer is set in the RWP register (lower 32 + * bits), and in the RWPHI register (upper 8 bits). + */ + rwp = RREG32(base_reg + 0x18); + rwphi = RREG32(base_reg + 0x3c) & 0xff; + *(u64 *) params->output = ((u64) rwphi << 32) | rwp; + } } return 0; @@ -626,3 +636,20 @@ int goya_debug_coresight(struct hl_device *hdev, void *data) return rc; } + +void goya_halt_coresight(struct hl_device *hdev) +{ + struct hl_debug_params params = {}; + int i, rc; + + for (i = GOYA_ETF_FIRST ; i <= GOYA_ETF_LAST ; i++) { + params.reg_idx = i; + rc = goya_config_etf(hdev, ¶ms); + if (rc) + dev_err(hdev->dev, "halt ETF failed, %d/%d\n", rc, i); + } + + rc = goya_config_etr(hdev, ¶ms); + if (rc) + dev_err(hdev->dev, "halt ETR failed, %d\n", rc); +} |