644 lines
19 KiB
C
644 lines
19 KiB
C
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/*
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* Tegra 19x SoC-specific mcerr code.
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*
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* Copyright (c) 2017, NVIDIA Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#define pr_fmt(fmt) "mc-err: " fmt
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#include <linux/bitops.h>
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#include <linux/of.h>
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#include <linux/platform/tegra/mc-regs-t19x.h>
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#include <linux/platform/tegra/mcerr.h>
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#include <dt-bindings/memory/tegra-swgroup.h>
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#include <linux/interrupt.h>
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/*** Auto generated by `mcp.pl'. Do not modify! ***/
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static struct mc_client mc_clients[] = {
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client("ptc", "csr_ptcr", INVALID),
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client("miu", "csr_miu7r", INVALID),
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client("miu", "csw_miu7w", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("hda", "csr_hdar", INVALID),
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client("hc", "csr_host1xdmar", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("nvenc", "csr_nvencsrd", INVALID),
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dummy_client,
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dummy_client,
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client("sata", "csr_satar", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("mpcore", "csr_mpcorer", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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client("nvenc", "csw_nvencswr", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("hda", "csw_hdaw", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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client("mpcore", "csw_mpcorew", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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client("sata", "csw_sataw", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("ispa", "csr_ispra", INVALID),
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client("ispfal", "csr_ispfalr", INVALID),
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client("isp2", "csw_ispwa", INVALID),
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client("isp2a", "csw_ispwb", INVALID),
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dummy_client,
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dummy_client,
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client("xusb_host", "csr_xusb_hostr", INVALID),
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client("xusb_host", "csw_xusb_hostw", INVALID),
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client("xusb_dev", "csr_xusb_devr", INVALID),
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client("xusb_dev", "csw_xusb_devw", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("tsec", "csr_tsecsrd", INVALID),
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client("tsec", "csw_tsecswr", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("sdmmc1a", "csr_sdmmcra", INVALID),
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dummy_client,
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client("sdmmc3a", "csr_sdmmcr", INVALID),
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client("sdmmc4a", "csr_sdmmcrab", INVALID),
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client("sdmmc1a", "csw_sdmmcwa", INVALID),
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dummy_client,
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client("sdmmc3a", "csw_sdmmcw", INVALID),
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client("sdmmc4a", "csw_sdmmcwab", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("vic", "csr_vicsrd", INVALID),
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client("vic", "csw_vicswr", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("vi", "csw_viw", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("nvdec", "csr_nvdecsrd", INVALID),
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client("nvdec", "csw_nvdecswr", INVALID),
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client("ape", "csr_aper", INVALID),
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client("ape", "csw_apew", INVALID),
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dummy_client,
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dummy_client,
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client("nvjpg", "csr_nvjpgsrd", INVALID),
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client("nvjpg", "csw_nvjpgswr", INVALID),
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client("se", "csr_sesrd", INVALID),
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client("se", "csw_seswr", INVALID),
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client("axiap", "csr_axiapr", INVALID),
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client("axiap", "csw_axiapw", INVALID),
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client("etr", "csr_etrr", INVALID),
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client("etr", "csw_etrw", INVALID),
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client("tsecb", "csr_tsecsrdb", INVALID),
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client("tsecb", "csw_tsecswrb", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("axis", "csr_axisr", INVALID),
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client("axis", "csw_axisw", INVALID),
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client("eqos", "csr_eqosr", INVALID),
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client("eqos", "csw_eqosw", INVALID),
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client("ufshc", "csr_ufshcr", INVALID),
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client("ufshc", "csw_ufshcw", INVALID),
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client("nvdisplay", "csr_nvdisplayr", INVALID),
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client("bpmp", "csr_bpmpr", INVALID),
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client("bpmp", "csw_bpmpw", INVALID),
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client("bpmpdma", "csr_bpmpdmar", INVALID),
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client("bpmpdma", "csw_bpmpdmaw", INVALID),
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client("aon", "csr_aonr", INVALID),
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client("aon", "csw_aonw", INVALID),
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client("aondma", "csr_aondmar", INVALID),
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client("aondma", "csw_aondmaw", INVALID),
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client("sce", "csr_scer", INVALID),
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client("sce", "csw_scew", INVALID),
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client("scedma", "csr_scedmar", INVALID),
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client("scedma", "csw_scedmaw", INVALID),
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client("apedma", "csr_apedmar", INVALID),
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client("apedma", "csw_apedmaw", INVALID),
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client("nvdisplay", "csr_nvdisplayr1", INVALID),
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client("vic", "csr_vicsrd1", INVALID),
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client("nvdec", "csr_nvdecsrd1", INVALID),
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dummy_client,
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dummy_client,
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client("miu", "csr_miu0r", INVALID),
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client("miu", "csw_miu0w", INVALID),
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client("miu", "csr_miu1r", INVALID),
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client("miu", "csw_miu1w", INVALID),
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dummy_client,
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dummy_client,
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dummy_client,
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dummy_client,
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client("miu", "csr_miu2r", INVALID),
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client("miu", "csw_miu2w", INVALID),
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client("miu", "csr_miu3r", INVALID),
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client("miu", "csw_miu3w", INVALID),
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client("miu", "csr_miu4r", INVALID),
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client("miu", "csw_miu4w", INVALID),
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client("NA", "csr_dpmur", INVALID),
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client("NA", "csw_dpmuw", INVALID),
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client("NA", "csr_nvl0r", INVALID),
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client("NA", "csw_nvl0w", INVALID),
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client("NA", "csr_nvl1r", INVALID),
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client("NA", "csw_nvl1w", INVALID),
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client("NA", "csr_nvl2r", INVALID),
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client("NA", "csw_nvl2w", INVALID),
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client("vifal", "csr_vifalr", INVALID),
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client("vifal", "csw_vifalw", INVALID),
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client("dlaa", "csr_dla0rda", INVALID),
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client("dlaa", "csr_dla0falrdb", INVALID),
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client("dlaa", "csw_dla0wra", INVALID),
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client("dlaa", "csw_dla0falwrb", INVALID),
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client("dla1a", "csr_dla1rda", INVALID),
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client("dla1a", "csr_dla1falrdb", INVALID),
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client("dla1a", "csw_dla1wra", INVALID),
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client("dla1a", "csw_dla1falwrb", INVALID),
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client("pva0a", "csr_pva0rda", INVALID),
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client("pva0b", "csr_pva0rdb", INVALID),
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client("pva0c", "csr_pva0rdc", INVALID),
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client("pva0a", "csw_pva0wra", INVALID),
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client("pva0b", "csw_pva0wrb", INVALID),
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client("pva0c", "csw_pva0wrc", INVALID),
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client("pva1a", "csr_pva1rda", INVALID),
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client("pva1b", "csr_pva1rdb", INVALID),
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client("pva1c", "csr_pva1rdc", INVALID),
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client("pva1a", "csw_pva1wra", INVALID),
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client("pva1b", "csw_pva1wrb", INVALID),
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client("pva1c", "csw_pva1wrc", INVALID),
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client("rce", "csr_rcer", INVALID),
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client("rce", "csw_rcew", INVALID),
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client("rcedma", "csr_rcedmar", INVALID),
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client("rcedma", "csw_rcedmaw", INVALID),
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client("nvencb", "csr_nvenc1srd", INVALID),
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client("nvencb", "csw_nvenc1swr", INVALID),
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client("pcie0a", "csr_pcie0r", INVALID),
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client("pcie0a2", "csw_pcie0w", INVALID),
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client("pcie", "csr_pcie1r", INVALID),
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client("pcie", "csw_pcie1w", INVALID),
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client("pcie2a", "csr_pcie2ar", INVALID),
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client("pcie2a", "csw_pcie2aw", INVALID),
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client("pcie3", "csr_pcie3r", INVALID),
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client("pcie3a", "csw_pcie3w", INVALID),
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client("pcie4a", "csr_pcie4r", INVALID),
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client("pcie4a", "csw_pcie4w", INVALID),
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client("pcie5a", "csr_pcie5r", INVALID),
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client("pcie5a", "csw_pcie5w", INVALID),
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client("ispfal", "csw_ispfalw", INVALID),
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client("NA", "csr_nvl3r", INVALID),
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client("NA", "csw_nvl3w", INVALID),
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client("NA", "csr_nvl4r", INVALID),
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client("NA", "csw_nvl4w", INVALID),
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client("dlaa", "csr_dla0rda1", INVALID),
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client("dla1a", "csr_dla1rda1", INVALID),
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client("pva0a", "csr_pva0rda1", INVALID),
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client("pva0b", "csr_pva0rdb1", INVALID),
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client("pva1a", "csr_pva1rda1", INVALID),
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client("pva1b", "csr_pva1rdb1", INVALID),
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client("pcie5a", "csr_pcie5r1", INVALID),
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client("nvenc", "csr_nvencsrd1", INVALID),
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client("nvencb", "csr_nvenc1srd1", INVALID),
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client("ispa", "csr_ispra1", INVALID),
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client("pcie0a", "csr_pcie0r1", INVALID),
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client("NA", "csr_nvl0rhp", INVALID),
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client("NA", "csr_nvl1rhp", INVALID),
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client("NA", "csr_nvl2rhp", INVALID),
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client("NA", "csr_nvl3rhp", INVALID),
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client("NA", "csr_nvl4rhp", INVALID),
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client("nvdec2a", "csr_nvdec1srd", INVALID),
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client("nvdec2a", "csr_nvdec1srd1", INVALID),
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client("nvdec2a", "csw_nvdec1swr", INVALID),
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client("miu", "csr_miu5r", INVALID),
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client("miu", "csw_miu5w", INVALID),
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client("miu", "csr_miu6r", INVALID),
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client("miu", "csw_miu6w", INVALID),
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};
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static int mc_client_last = ARRAY_SIZE(mc_clients) - 1;
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/*** Done. ***/
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static const char *intr_info[] = {
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NULL, /* Bit 0 */
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NULL,
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NULL,
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NULL,
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NULL, /* Bit 4 */
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NULL,
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"decerr-emem",
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NULL,
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"secerr", /* Bit 8 */
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"arb-emem",
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NULL,
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NULL,
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"decerr-vpr", /* Bit 12 */
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"decerr-sec",
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NULL,
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NULL,
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"decerr-mts", /* Bit 16 */
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"decerr-gsc",
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"scrub-ecc",
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"wcam-err",
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"decerr-route", /* Bit 20 */
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NULL,
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NULL,
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NULL,
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NULL, /* Bit 24 */
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NULL,
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NULL,
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NULL,
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NULL, /* Bit 28 */
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NULL,
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NULL,
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NULL,
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};
|
||
|
|
|
||
|
|
enum {
|
||
|
|
/* GLOBAL_INTSTATUS_0 bits */
|
||
|
|
GIS_CH0 = 0,
|
||
|
|
GIS_CH1 = 1,
|
||
|
|
GIS_CH2 = 2,
|
||
|
|
GIS_CH3 = 3,
|
||
|
|
GIS_CH4 = 4,
|
||
|
|
GIS_CH5 = 5,
|
||
|
|
GIS_CH6 = 6,
|
||
|
|
GIS_CH7 = 7,
|
||
|
|
GIS_SLICE0 = 8,
|
||
|
|
GIS_SLICE1 = 9,
|
||
|
|
GIS_SLICE2 = 10,
|
||
|
|
GIS_SLICE3 = 11,
|
||
|
|
GIS_HUB0 = 16,
|
||
|
|
GIS_HUB1 = 17,
|
||
|
|
GIS_HUB2 = 18,
|
||
|
|
GIS_HUB3 = 19,
|
||
|
|
GIS_nvlink0 = 20,
|
||
|
|
GIS_nvlink1 = 21,
|
||
|
|
GIS_nvlink2 = 22,
|
||
|
|
GIS_nvlink3 = 23,
|
||
|
|
GIS_nvlink4 = 24,
|
||
|
|
GIS_HUBC = 25,
|
||
|
|
GIS_SBS = 26,
|
||
|
|
GIS_CH_MASK = 0xFF,
|
||
|
|
GIS_SLICE_MASK = 0xF00,
|
||
|
|
GIS_HUB_MASK = 0xF0000,
|
||
|
|
GIS_NVLINK_MASK = 0x1F00000,
|
||
|
|
|
||
|
|
/* GLOBAL_INTSTATUS_1 bits */
|
||
|
|
GIS_1_CH8 = 0,
|
||
|
|
GIS_1_CH9 = 1,
|
||
|
|
GIS_1_CH10 = 2,
|
||
|
|
GIS_1_CH11 = 3,
|
||
|
|
GIS_1_CH12 = 4,
|
||
|
|
GIS_1_CH13 = 5,
|
||
|
|
GIS_1_CH14 = 6,
|
||
|
|
GIS_1_CH15 = 7,
|
||
|
|
GIS_1_CH_MASK = 0xFF,
|
||
|
|
|
||
|
|
/* MC Intr clear enums */
|
||
|
|
INTSTATUS_CLEAR = 0x00133340,
|
||
|
|
HUBC_INTSTATUS_CLEAR = 0x00000001,
|
||
|
|
HUB_INTSTATUS_CLEAR = 0x00000003,
|
||
|
|
GLOBAL_INTSTATUS_CLEAR = 0x07FF0FFF,
|
||
|
|
GLOBAL_INTSTATUS_1_CLEAR = 0x000000FF,
|
||
|
|
CH_INTSTATUS_CLEAR = 0x00080200,
|
||
|
|
SBS_INTSTATUS_CLEAR = 0x00000007,
|
||
|
|
|
||
|
|
/* MC Intr bits */
|
||
|
|
MC_INT_DECERR_MTS = (1<<16),
|
||
|
|
MC_INT_WCAM_ERR = (1<<19),
|
||
|
|
MC_INT_DECERR_ROUTE_SANITY = (1<<20),
|
||
|
|
MC_HUB_INT_HUB_COALESCER_ERR = (1<<1),
|
||
|
|
MC_HUB_INT_ILLEGAL_HUB_REQ = (1<<0),
|
||
|
|
MC_HUBC_INT_SCRUB_ECC_WR_ACK = (1 << 0),
|
||
|
|
|
||
|
|
MC_SBS_INT_FILL_FIFO_ISO_OF = (1<<0),
|
||
|
|
MC_SBS_INT_FILL_FIFO_SISO_OF = (1<<1),
|
||
|
|
MC_SBS_INT_FILL_FIFO_NISO_OF = (1<<2),
|
||
|
|
|
||
|
|
MC_ERR_STATUS_ADR_HI_BITS = (0xFF << 20)
|
||
|
|
};
|
||
|
|
|
||
|
|
/* reported in MC_INTSTATUS_0 */
|
||
|
|
static const struct mc_error slice_mc_errors[] = {
|
||
|
|
MC_ERR_HI(MC_INT_DECERR_EMEM,
|
||
|
|
"EMEM address decode error",
|
||
|
|
0, MC_ERR_STATUS, MC_ERR_ADR, MC_ERR_ADR_HI),
|
||
|
|
MC_ERR_HI(MC_INT_SECURITY_VIOLATION,
|
||
|
|
"non secure access to secure region",
|
||
|
|
0, MC_ERR_STATUS, MC_ERR_ADR, MC_ERR_ADR_HI),
|
||
|
|
MC_ERR(MC_INT_DECERR_VPR,
|
||
|
|
"MC request violates VPR requirements",
|
||
|
|
E_VPR, MC_ERR_VPR_STATUS, MC_ERR_VPR_ADR),
|
||
|
|
MC_ERR(MC_INT_SECERR_SEC,
|
||
|
|
"MC request violated SEC carveout requirements",
|
||
|
|
0, MC_ERR_SEC_STATUS, MC_ERR_SEC_ADR),
|
||
|
|
MC_ERR(MC_INT_DECERR_MTS,
|
||
|
|
"MTS carveout access violation",
|
||
|
|
0, MC_ERR_MTS_STATUS, MC_ERR_MTS_ADR),
|
||
|
|
MC_ERR_GSC(MC_INT_DECERR_GENERALIZED_CARVEOUT,
|
||
|
|
"GSC access violation", 0,
|
||
|
|
MC_ERR_GENERALIZED_CARVEOUT_STATUS,
|
||
|
|
MC_ERR_GENERALIZED_CARVEOUT_ADR,
|
||
|
|
MC_ERR_GENERALIZED_CARVEOUT_STATUS_1),
|
||
|
|
MC_ERR(MC_INT_DECERR_ROUTE_SANITY,
|
||
|
|
"Route Sanity error", 0,
|
||
|
|
MC_ERR_ROUTE_SANITY_STATUS,
|
||
|
|
MC_ERR_ROUTE_SANITY_ADR),
|
||
|
|
|
||
|
|
/* combination interrupts */
|
||
|
|
MC_ERR_HI(MC_INT_DECERR_EMEM | MC_INT_SECURITY_VIOLATION,
|
||
|
|
"non secure access to secure region",
|
||
|
|
0, MC_ERR_STATUS, MC_ERR_ADR, MC_ERR_ADR_HI),
|
||
|
|
MC_ERR(MC_INT_DECERR_GENERALIZED_CARVEOUT | MC_INT_DECERR_EMEM,
|
||
|
|
"EMEM GSC access violation", 0,
|
||
|
|
MC_ERR_GENERALIZED_CARVEOUT_STATUS,
|
||
|
|
MC_ERR_GENERALIZED_CARVEOUT_ADR),
|
||
|
|
|
||
|
|
/* NULL terminate. */
|
||
|
|
MC_ERR(0, NULL, 0, 0, 0),
|
||
|
|
};
|
||
|
|
|
||
|
|
/* reported in MC_CH_INTSTATUS_0 */
|
||
|
|
static const struct mc_error ch_mc_errors[] = {
|
||
|
|
MC_ERR(MC_INT_WCAM_ERR, "WCAM error", E_TWO_STATUS,
|
||
|
|
MC_WCAM_IRQ_P0_STATUS0,
|
||
|
|
MC_WCAM_IRQ_P1_STATUS0),
|
||
|
|
|
||
|
|
/* NULL terminate. */
|
||
|
|
MC_ERR(0, NULL, 0, 0, 0),
|
||
|
|
};
|
||
|
|
|
||
|
|
/* reported in MC_HUBC_INTSTATUS_0 */
|
||
|
|
static const struct mc_error hubc_mc_errors[] = {
|
||
|
|
MC_ERR(MC_HUBC_INT_SCRUB_ECC_WR_ACK,
|
||
|
|
"ECC scrub complete", E_NO_STATUS, 0, 0),
|
||
|
|
|
||
|
|
/* NULL terminate. */
|
||
|
|
MC_ERR(0, NULL, 0, 0, 0),
|
||
|
|
};
|
||
|
|
|
||
|
|
/* reported in MC_HUB_INTSTATUS_0 */
|
||
|
|
static const struct mc_error hub_mc_errors[] = {
|
||
|
|
MC_ERR_HI(MC_HUB_INT_HUB_COALESCER_ERR,
|
||
|
|
"Hub coalescer error", 0,
|
||
|
|
MC_COALESCE_ERR_STATUS, MC_COALESCE_ERR_ADR,
|
||
|
|
MC_COALESCE_ERR_ADR_HI),
|
||
|
|
MC_ERR_HI(MC_HUB_INT_ILLEGAL_HUB_REQ,
|
||
|
|
"Illegal Hub Request", 0,
|
||
|
|
MC_COALESCE_ERR_STATUS, MC_COALESCE_ERR_ADR,
|
||
|
|
MC_COALESCE_ERR_ADR_HI),
|
||
|
|
|
||
|
|
/* NULL terminate. */
|
||
|
|
MC_ERR(0, NULL, 0, 0, 0),
|
||
|
|
};
|
||
|
|
|
||
|
|
/* reported in MC_SBS_INTSTATUS_0 */
|
||
|
|
static const struct mc_error sbs_mc_errors[] = {
|
||
|
|
MC_ERR(MC_SBS_INT_FILL_FIFO_ISO_OF,
|
||
|
|
"SBS ISO fifo overflow", 0, E_NO_STATUS, 0),
|
||
|
|
MC_ERR(MC_SBS_INT_FILL_FIFO_SISO_OF,
|
||
|
|
"SBS SISO fifo overflow", 0, E_NO_STATUS, 0),
|
||
|
|
MC_ERR(MC_SBS_INT_FILL_FIFO_NISO_OF,
|
||
|
|
"SBS NISO fifo overflow", 0, E_NO_STATUS, 0),
|
||
|
|
|
||
|
|
/* NULL terminate. */
|
||
|
|
MC_ERR(0, NULL, 0, 0, 0),
|
||
|
|
};
|
||
|
|
|
||
|
|
static void clear_interrupt(unsigned int irq)
|
||
|
|
{
|
||
|
|
/* The mcerr throttling mechanism would call clear interrupt.
|
||
|
|
* clear interrupt recovers the system from continuous mc error
|
||
|
|
* interrupt as well in case an error is not handled right.
|
||
|
|
*/
|
||
|
|
mc_writel(INTSTATUS_CLEAR, MC_INTSTATUS);
|
||
|
|
mc_writel(HUBC_INTSTATUS_CLEAR, MC_HUBC_INTSTATUS);
|
||
|
|
mc_writel(HUB_INTSTATUS_CLEAR, MC_HUB_INTSTATUS);
|
||
|
|
mc_writel(CH_INTSTATUS_CLEAR, MC_CH_INTSTATUS);
|
||
|
|
mc_writel(SBS_INTSTATUS_CLEAR, MC_MSS_SBS_INTSTATUS);
|
||
|
|
mc_writel(GLOBAL_INTSTATUS_CLEAR, MC_GLOBAL_INTSTATUS);
|
||
|
|
mc_writel(GLOBAL_INTSTATUS_1_CLEAR, MC_GLOBAL_INTSTATUS_1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void log_fault(int src_chan, const struct mc_error *fault)
|
||
|
|
{
|
||
|
|
phys_addr_t addr;
|
||
|
|
struct mc_client *client;
|
||
|
|
u32 status, write, secure, client_id;
|
||
|
|
u32 gsc_status_1, high_addr_reg = 0;
|
||
|
|
|
||
|
|
|
||
|
|
if (fault->flags & E_VPR)
|
||
|
|
mcerr_pr("vpr base=%x:%x, size=%x, ctrl=%x, override:(%x, %x, %x, %x)\n",
|
||
|
|
mc_readl(MC_VIDEO_PROTECT_BOM_ADR_HI),
|
||
|
|
mc_readl(MC_VIDEO_PROTECT_BOM),
|
||
|
|
mc_readl(MC_VIDEO_PROTECT_SIZE_MB),
|
||
|
|
mc_readl(MC_VIDEO_PROTECT_REG_CTRL),
|
||
|
|
mc_readl(MC_VIDEO_PROTECT_VPR_OVERRIDE),
|
||
|
|
mc_readl(MC_VIDEO_PROTECT_VPR_OVERRIDE1),
|
||
|
|
mc_readl(MC_VIDEO_PROTECT_GPU_OVERRIDE_0),
|
||
|
|
mc_readl(MC_VIDEO_PROTECT_GPU_OVERRIDE_1));
|
||
|
|
|
||
|
|
if (fault->flags & E_NO_STATUS) {
|
||
|
|
mcerr_pr("MC fault - no status: %s\n", fault->msg);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
status = __mc_readl(src_chan, fault->stat_reg);
|
||
|
|
addr = __mc_readl(src_chan, fault->addr_reg);
|
||
|
|
|
||
|
|
if (fault->flags & E_TWO_STATUS) {
|
||
|
|
mcerr_pr("MC fault - %s\n", fault->msg);
|
||
|
|
mcerr_pr("status: 0x%08x status2: 0x%08llx\n",
|
||
|
|
status, addr);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
secure = !!(status & MC_ERR_STATUS_SECURE);
|
||
|
|
write = !!(status & MC_ERR_STATUS_WRITE);
|
||
|
|
client_id = status & 0xff;
|
||
|
|
client = &mc_clients[client_id <= mc_client_last
|
||
|
|
? client_id : mc_client_last];
|
||
|
|
|
||
|
|
if (fault->flags & E_GSC) {
|
||
|
|
high_addr_reg = __mc_readl(src_chan, fault->addr_hi_reg);
|
||
|
|
addr |= ((phys_addr_t)(high_addr_reg >> 16) << 32);
|
||
|
|
} else if (fault->flags & E_ADR_HI_REG) {
|
||
|
|
high_addr_reg = __mc_readl(src_chan, fault->addr_hi_reg);
|
||
|
|
addr |= ((phys_addr_t)high_addr_reg << 32);
|
||
|
|
} else {
|
||
|
|
addr |= (((phys_addr_t)(status & MC_ERR_STATUS_ADR_HI_BITS)) << 12);
|
||
|
|
}
|
||
|
|
|
||
|
|
mcerr_pr("(%d) %s: %s\n", client->swgid, client->name, fault->msg);
|
||
|
|
mcerr_pr(" status = 0x%08x; addr = 0x%08llx; hi_adr_reg=%x08\n",
|
||
|
|
status, (long long unsigned int)addr, high_addr_reg);
|
||
|
|
mcerr_pr(" secure: %s, access-type: %s\n",
|
||
|
|
secure ? "yes" : "no", write ? "write" : "read");
|
||
|
|
if (fault->flags & E_GSC) {
|
||
|
|
gsc_status_1 = __mc_readl(src_chan, fault->addr_hi_reg);
|
||
|
|
mcerr_pr("gsc_id=%d, gsc_co_id=%d\n",
|
||
|
|
((status >> 8) & 0x7) | ((gsc_status_1 & 3) << 3),
|
||
|
|
((status >> 24) & 0x7) | (((gsc_status_1 >> 7) & 0x3) << 3));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#define LOG_FAULT(n, m, r) \
|
||
|
|
for (err = n##_mc_errors; \
|
||
|
|
n##_int_status && err->sig && err->msg; err++) { \
|
||
|
|
if ((n##_int_status & m) != err->sig) \
|
||
|
|
continue; \
|
||
|
|
log_fault(mc_channel, err); \
|
||
|
|
__mc_writel(mc_channel, n##_int_status, MC##r##INTSTATUS); \
|
||
|
|
faults_handled++; \
|
||
|
|
break; \
|
||
|
|
} \
|
||
|
|
|
||
|
|
static void log_mcerr_fault(unsigned int irq)
|
||
|
|
{
|
||
|
|
int faults_handled = 0;
|
||
|
|
const struct mc_error *err;
|
||
|
|
int mc_channel = MC_BROADCAST_CHANNEL;
|
||
|
|
u32 slice_int_status, ch_int_status, hubc_int_status;
|
||
|
|
u32 sbs_int_status, hub_int_status;
|
||
|
|
u32 g_intstatus = mc_readl(MC_GLOBAL_INTSTATUS);
|
||
|
|
u32 g_intstatus_1 = mc_readl(MC_GLOBAL_INTSTATUS_1);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If multiple interrupts come in just handle the first one we see. The
|
||
|
|
* HW only keeps track of 1 interrupt's data and we don't know which
|
||
|
|
* particular fault is actually being kept...
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (g_intstatus & GIS_CH_MASK) {
|
||
|
|
mc_channel = __ffs(g_intstatus & GIS_CH_MASK);
|
||
|
|
} else if (g_intstatus & GIS_SLICE_MASK){
|
||
|
|
mc_channel = __ffs((g_intstatus & GIS_SLICE_MASK) >> GIS_SLICE0);
|
||
|
|
} else if (g_intstatus & GIS_HUB_MASK) {
|
||
|
|
mc_channel = __ffs((g_intstatus & GIS_HUB_MASK) >> GIS_HUB0);
|
||
|
|
} else if (g_intstatus & GIS_NVLINK_MASK) {
|
||
|
|
mc_channel = __ffs((g_intstatus & GIS_NVLINK_MASK) >> GIS_nvlink0);
|
||
|
|
} else if (g_intstatus & BIT(GIS_HUBC)) {
|
||
|
|
mc_channel = MC_BROADCAST_CHANNEL;
|
||
|
|
} else if (g_intstatus & BIT(GIS_SBS)) {
|
||
|
|
mc_channel = MC_BROADCAST_CHANNEL;
|
||
|
|
} else if (g_intstatus_1 & GIS_1_CH_MASK) {
|
||
|
|
mc_channel = 8 + __ffs(g_intstatus_1 & GIS_1_CH_MASK);
|
||
|
|
} else {
|
||
|
|
mcerr_pr("mcerr: unknown intr source intstatus = 0x%08x, "
|
||
|
|
"intstatus_1 = 0x%08x\n", g_intstatus, g_intstatus_1);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
slice_int_status = __mc_readl(mc_channel, MC_INTSTATUS);
|
||
|
|
ch_int_status = __mc_readl(mc_channel, MC_CH_INTSTATUS);
|
||
|
|
hubc_int_status = __mc_readl(mc_channel, MC_HUBC_INTSTATUS);
|
||
|
|
sbs_int_status = __mc_readl(mc_channel, MC_MSS_SBS_INTSTATUS);
|
||
|
|
hub_int_status = __mc_readl(mc_channel, MC_HUB_INTSTATUS);
|
||
|
|
|
||
|
|
LOG_FAULT(slice, mc_int_mask, _);
|
||
|
|
LOG_FAULT(hub, U32_MAX, _HUB_);
|
||
|
|
LOG_FAULT(ch, U32_MAX, _CH_);
|
||
|
|
LOG_FAULT(hubc, U32_MAX, _HUBC_);
|
||
|
|
LOG_FAULT(sbs, U32_MAX, _MSS_SBS_);
|
||
|
|
|
||
|
|
if (faults_handled) {
|
||
|
|
mc_writel(g_intstatus, MC_GLOBAL_INTSTATUS);
|
||
|
|
mc_writel(g_intstatus_1, MC_GLOBAL_INTSTATUS_1);
|
||
|
|
} else {
|
||
|
|
pr_err("unknown mcerr fault, int_status=0x%08x, "
|
||
|
|
"ch_int_status=0x%08x, hubc_int_status=0x%08x "
|
||
|
|
"sbs_int_status=0x%08x, hub_int_status=0x%08x\n",
|
||
|
|
slice_int_status, ch_int_status, hubc_int_status,
|
||
|
|
sbs_int_status, hub_int_status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct mcerr_ops mcerr_ops = {
|
||
|
|
.nr_clients = ARRAY_SIZE(mc_clients),
|
||
|
|
.intr_descriptions = intr_info,
|
||
|
|
.clear_interrupt = clear_interrupt,
|
||
|
|
.log_mcerr_fault = log_mcerr_fault,
|
||
|
|
.mc_clients = mc_clients,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct mcerr_ops *t18x_mcerr_of_setup(struct device_node *np)
|
||
|
|
{
|
||
|
|
pr_info("mcerr ops are set to t19x\n");
|
||
|
|
return &mcerr_ops;
|
||
|
|
}
|
||
|
|
|
||
|
|
MCERR_OF_DECLARE(mcerr_of, "nvidia,tegra-t19x-mc", t18x_mcerr_of_setup);
|