From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f53.google.com (mail-qv1-f53.google.com [209.85.219.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C6053BBD8 for ; Wed, 10 Jul 2024 22:16:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720649804; cv=none; b=NZZenEWuLpY+fhI8q2pRomXRLJ3PzRXgxaCqzv38r84hPMi7mwjS0qLlnjeUciunsHViCdD1wMm7CFoeM2JvML6Smw1iPqCB0YBOVoCLdBRvlGXmZXEHWP/cy0vPmy2P3uMgE/uQGZYiY4PLFaTREZ7q2kYNiHr9EFpRXh7OI7g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720649804; c=relaxed/simple; bh=WXOQnh9iLLHo1YpwI26oK0DT+c+YRDlM2wG9SiE2Y9I=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type; b=tqTwUrsazwfhw1lshf/eQYgpcbwdVFt7Ja+yhNIsnhwAnlcHRgdIYubviciJ6cwhOCz6a8XKWcyX8oLIdvIeW+Awxg1HM7AnQdCja+nziZvc2WITn0YoIdXb50SLHiSnOkyCt6mVG1Q9ZbFL3loZZRwtCG9Wm85vYdZQn7Pwg7I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=I7a9g3bP; arc=none smtp.client-ip=209.85.219.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="I7a9g3bP" Received: by mail-qv1-f53.google.com with SMTP id 6a1803df08f44-6b5f128b199so1925646d6.0 for ; Wed, 10 Jul 2024 15:16:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1720649802; x=1721254602; darn=vger.kernel.org; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=DTeapVZCUWgNoWkFZ3hwOOj8aZAfVlhwSVnqpNWcXKI=; b=I7a9g3bPrn+/5sybJQqS8/bkhmC0SdhT3j5+IC2z1TuE7u0j1rbL2QG7on+4Fk9+BZ 3xiRkDwRg7ggXHQB3vwBpjTDldY2DNhbBKpCg/zgYe/YHeP20qkpXT+fClanFx/QfEEg 6smtYYOrxZWBq2VlGgL+OWD+9uVzqi6bbZ93U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720649802; x=1721254602; h=references:in-reply-to:message-id:date:subject:cc:to:from :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=DTeapVZCUWgNoWkFZ3hwOOj8aZAfVlhwSVnqpNWcXKI=; b=XgllqzSGbXjWYP51n11wW9/x/0JIFjHOXXVtgYAlfmo6UCVmUHIStkLtF98TAZ6bM1 cPLOGVyz0FT1imsXXlTOoJVX2IQmTqYtsBGxqN7g7Ge0EO7vW2S6NrPTWJPjt/Y0GIhF QaIpTULC4Dw+aOmVk3iNXWKRtaeHba4ruNsDskelZZbFYbKcuW+jebB75vV046wNFChj Ul9+B9hrBBW9FtW1duayhlrN6062upq+Tq4vPWBqIwp3S2MfWQCZ6kGMiali7LBwV7g4 8NLBdahaGqNwUiCcA6PLubQlSTpGtLm7KvlVECa+xnS66LAAI6gzLBd1dCeGj1a1Orrf ZOEQ== X-Forwarded-Encrypted: i=1; AJvYcCXbbryaVI1J2DEIUvt2R6RpSQaHPUxtxclQ3paDPlO80TfHppJjDS9dCgI+OfnHQ7GODVRizGMkeAew+dpShn458iWtO1lFmOT81XSe X-Gm-Message-State: AOJu0YyzdEAsvEu3Vh4cJHFJB5n8UJafdhVdIOIr8Gl5UL8ihYbSMb1C Bxgn+2yfJHsXhY1xAUtJMyKavpeFD1RbcHHBSHOdj7pZsF9TZVbwOMcOHQe+Uw== X-Google-Smtp-Source: AGHT+IEeVUPlnNidAa9SALkkKZQJNT6/gbAlf1iNlCDge62/953JXBjPRy9yUAZ9n3SwyY9QXW6cSg== X-Received: by 2002:a05:6214:194c:b0:6b5:e190:437 with SMTP id 6a1803df08f44-6b61bc83574mr70828616d6.12.1720649802322; Wed, 10 Jul 2024 15:16:42 -0700 (PDT) Received: from stbsrv-and-01.and.broadcom.net ([192.19.144.250]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6b61ba04c16sm20182326d6.60.2024.07.10.15.16.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Jul 2024 15:16:41 -0700 (PDT) From: Jim Quinlan To: linux-pci@vger.kernel.org, Nicolas Saenz Julienne , Bjorn Helgaas , Lorenzo Pieralisi , Cyril Brulebois , Stanimir Varbanov , Krzysztof Kozlowski , bcm-kernel-feedback-list@broadcom.com, jim2101024@gmail.com, james.quinlan@broadcom.com Cc: Florian Fainelli , Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Rob Herring , Philipp Zabel , linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v3 05/12] PCI: brcmstb: Use swinit reset if available Date: Wed, 10 Jul 2024 18:16:19 -0400 Message-Id: <20240710221630.29561-6-james.quinlan@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240710221630.29561-1-james.quinlan@broadcom.com> References: <20240710221630.29561-1-james.quinlan@broadcom.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000448bcd061cec0078" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: --000000000000448bcd061cec0078 The 7712 SOC adds a software init reset device for the PCIe HW. If found in the DT node, use it. Signed-off-by: Jim Quinlan --- drivers/pci/controller/pcie-brcmstb.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c index 92816d8d215a..4dc2ff7f3167 100644 --- a/drivers/pci/controller/pcie-brcmstb.c +++ b/drivers/pci/controller/pcie-brcmstb.c @@ -266,6 +266,7 @@ struct brcm_pcie { struct reset_control *rescal; struct reset_control *perst_reset; struct reset_control *bridge; + struct reset_control *swinit; int num_memc; u64 memc_size[PCIE_BRCM_MAX_MEMC]; u32 hw_rev; @@ -1633,12 +1634,27 @@ static int brcm_pcie_probe(struct platform_device *pdev) if (IS_ERR(pcie->bridge)) return PTR_ERR(pcie->bridge); + pcie->swinit = devm_reset_control_get_optional_exclusive(&pdev->dev, "swinit"); + if (IS_ERR(pcie->swinit)) + return PTR_ERR(pcie->swinit); + ret = clk_prepare_enable(pcie->clk); if (ret) { dev_err(&pdev->dev, "could not enable clock\n"); return ret; } + ret = reset_control_assert(pcie->swinit); + if (ret) { + dev_err_probe(&pdev->dev, ret, "could not assert reset 'swinit'\n"); + goto clk_out; + } + ret = reset_control_deassert(pcie->swinit); + if (ret) { + dev_err(&pdev->dev, "could not de-assert reset 'swinit' after asserting\n"); + goto clk_out; + } + ret = reset_control_reset(pcie->rescal); if (ret) { dev_err(&pdev->dev, "failed to deassert 'rescal'\n"); -- 2.17.1 --000000000000448bcd061cec0078 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQbgYJKoZIhvcNAQcCoIIQXzCCEFsCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3FMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 e6EKaaNaNZUy30q3ArEf30ZDpXyfCtiXnupjSK8WU2cK4qsEtj09JS4+mhi0CTCrCnXAzum3tgcH cHRg0prcSzzEUDQWoFxyuqwiwhHu3sPQNmFOMwIDAQABo4IB2jCCAdYwDgYDVR0PAQH/BAQDAgGG MGAGA1UdJQRZMFcGCCsGAQUFBwMCBggrBgEFBQcDBAYKKwYBBAGCNxQCAgYKKwYBBAGCNwoDBAYJ KwYBBAGCNxUGBgorBgEEAYI3CgMMBggrBgEFBQcDBwYIKwYBBQUHAxEwEgYDVR0TAQH/BAgwBgEB /wIBADAdBgNVHQ4EFgQUljPR5lgXWzR1ioFWZNW+SN6hj88wHwYDVR0jBBgwFoAUj/BLf6guRSSu TVD6Y5qL3uLdG7wwegYIKwYBBQUHAQEEbjBsMC0GCCsGAQUFBzABhiFodHRwOi8vb2NzcC5nbG9i YWxzaWduLmNvbS9yb290cjMwOwYIKwYBBQUHMAKGL2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5j b20vY2FjZXJ0L3Jvb3QtcjMuY3J0MDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwuZ2xvYmFs c2lnbi5jb20vcm9vdC1yMy5jcmwwWgYDVR0gBFMwUTALBgkrBgEEAaAyASgwQgYKKwYBBAGgMgEo CjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAN BgkqhkiG9w0BAQsFAAOCAQEAdAXk/XCnDeAOd9nNEUvWPxblOQ/5o/q6OIeTYvoEvUUi2qHUOtbf jBGdTptFsXXe4RgjVF9b6DuizgYfy+cILmvi5hfk3Iq8MAZsgtW+A/otQsJvK2wRatLE61RbzkX8 9/OXEZ1zT7t/q2RiJqzpvV8NChxIj+P7WTtepPm9AIj0Keue+gS2qvzAZAY34ZZeRHgA7g5O4TPJ /oTd+4rgiU++wLDlcZYd/slFkaT3xg4qWDepEMjT4T1qFOQIL+ijUArYS4owpPg9NISTKa1qqKWJ jFoyms0d0GwOniIIbBvhI2MJ7BSY9MYtWVT5jJO3tsVHwj4cp92CSFuGwunFMzCCA18wggJHoAMC AQICCwQAAAAAASFYUwiiMA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0dsb2JhbFNpZ24gUm9v dCBDQSAtIFIzMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTA5 MDMxODEwMDAwMFoXDTI5MDMxODEwMDAwMFowTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290IENB IC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNpZ24wggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDMJXaQeQZ4Ihb1wIO2hMoonv0FdhHFrYhy/EYCQ8eyip0E XyTLLkvhYIJG4VKrDIFHcGzdZNHr9SyjD4I9DCuul9e2FIYQebs7E4B3jAjhSdJqYi8fXvqWaN+J J5U4nwbXPsnLJlkNc96wyOkmDoMVxu9bi9IEYMpJpij2aTv2y8gokeWdimFXN6x0FNx04Druci8u nPvQu7/1PQDhBjPogiuuU6Y6FnOM3UEOIDrAtKeh6bJPkC4yYOlXy7kEkmho5TgmYHWyn3f/kRTv riBJ/K1AFUjRAjFhGV64l++td7dkmnq/X8ET75ti+w1s4FRpFqkD2m7pg5NxdsZphYIXAgMBAAGj QjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSP8Et/qC5FJK5N UPpjmove4t0bvDANBgkqhkiG9w0BAQsFAAOCAQEAS0DbwFCq/sgM7/eWVEVJu5YACUGssxOGhigH M8pr5nS5ugAtrqQK0/Xx8Q+Kv3NnSoPHRHt44K9ubG8DKY4zOUXDjuS5V2yq/BKW7FPGLeQkbLmU Y/vcU2hnVj6DuM81IcPJaP7O2sJTqsyQiunwXUaMld16WCgaLx3ezQA3QY/tRG3XUyiXfvNnBB4V 14qWtNPeTCekTBtzc3b0F5nCH3oO4y0IrQocLP88q1UOD5F+NuvDV0m+4S4tfGCLw0FREyOdzvcy a5QBqJnnLDMfOjsl0oZAzjsshnjJYS8Uuu7bVW/fhO4FCU29KNhyztNiUGUe65KXgzHZs7XKR1g/ XzCCBU0wggQ1oAMCAQICDEjuN1Vuw+TT9V/ygzANBgkqhkiG9w0BAQsFADBbMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMg UGVyc29uYWxTaWduIDIgQ0EgMjAyMDAeFw0yMjA5MTAxMjE3MTNaFw0yNTA5MTAxMjE3MTNaMIGO MQswCQYDVQQGEwJJTjESMBAGA1UECBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxFjAU BgNVBAoTDUJyb2FkY29tIEluYy4xFDASBgNVBAMTC0ppbSBRdWlubGFuMSkwJwYJKoZIhvcNAQkB FhpqYW1lcy5xdWlubGFuQGJyb2FkY29tLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBAKtQZbH0dDsCEixB9shqHxmN7R0Tywh2HUGagri/LzbKgXsvGH/LjKUjwFOQwFe4EIVds/0S hNqJNn6Z/DzcMdIAfbMJ7juijAJCzZSg8m164K+7ipfhk7SFmnv71spEVlo7tr41/DT2HvUCo93M 7Hu+D3IWHBqIg9YYs3tZzxhxXKtJW6SH7jKRz1Y94pEYplGQLM+uuPCZaARbh+i0auVCQNnxgfQ/ mOAplh6h3nMZUZxBguxG3g2p3iD4EgibUYneEzqOQafIQB/naf2uetKb8y9jKgWJxq2Y4y8Jqg2u uVIO1AyOJjWwqdgN+QhuIlat+qZd03P48Gim9ZPEMDUCAwEAAaOCAdswggHXMA4GA1UdDwEB/wQE AwIFoDCBowYIKwYBBQUHAQEEgZYwgZMwTgYIKwYBBQUHMAKGQmh0dHA6Ly9zZWN1cmUuZ2xvYmFs c2lnbi5jb20vY2FjZXJ0L2dzZ2NjcjNwZXJzb25hbHNpZ24yY2EyMDIwLmNydDBBBggrBgEFBQcw AYY1aHR0cDovL29jc3AuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyM3BlcnNvbmFsc2lnbjJjYTIwMjAw TQYDVR0gBEYwRDBCBgorBgEEAaAyASgKMDQwMgYIKwYBBQUHAgEWJmh0dHBzOi8vd3d3Lmdsb2Jh bHNpZ24uY29tL3JlcG9zaXRvcnkvMAkGA1UdEwQCMAAwSQYDVR0fBEIwQDA+oDygOoY4aHR0cDov L2NybC5nbG9iYWxzaWduLmNvbS9nc2djY3IzcGVyc29uYWxzaWduMmNhMjAyMC5jcmwwJQYDVR0R BB4wHIEaamFtZXMucXVpbmxhbkBicm9hZGNvbS5jb20wEwYDVR0lBAwwCgYIKwYBBQUHAwQwHwYD VR0jBBgwFoAUljPR5lgXWzR1ioFWZNW+SN6hj88wHQYDVR0OBBYEFGx/E27aeGBP2eJktrILxlhK z8f6MA0GCSqGSIb3DQEBCwUAA4IBAQBdQQukiELsPfse49X4QNy/UN43dPUw0I1asiQ8wye3nAuD b3GFmf3SZKlgxBTdWJoaNmmUFW2H3HWOoQBnTeedLtV9M2Tb9vOKMncQD1f9hvWZR6LnZpjBIlKe +R+v6CLF07qYmBI6olvOY/Rsv9QpW9W8qZYk+2RkWHz/fR5N5YldKlJHP0NDT4Wjc5fEzV+mZC8A AlT80qiuCVv+IQP08ovEVSLPhUp8i1pwsHT9atbWOfXQjbq1B/ditFIbPzwmwJPuGUc7n7vpmtxB 75sSFMj27j4JXl5W9vORgHR2YzuPBzfzDJU1ul0DIofSWVF6E1dx4tZohRED1Yl/T/ZGMYICbTCC AmkCAQEwazBbMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UE AxMoR2xvYmFsU2lnbiBHQ0MgUjMgUGVyc29uYWxTaWduIDIgQ0EgMjAyMAIMSO43VW7D5NP1X/KD MA0GCWCGSAFlAwQCAQUAoIHUMC8GCSqGSIb3DQEJBDEiBCAI2wtfp78yNpOxOa98PZwuls0/idj/ X482yLkq2Z5WDjAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0yNDA3 MTAyMjE2NDJaMGkGCSqGSIb3DQEJDzFcMFowCwYJYIZIAWUDBAEqMAsGCWCGSAFlAwQBFjALBglg hkgBZQMEAQIwCgYIKoZIhvcNAwcwCwYJKoZIhvcNAQEKMAsGCSqGSIb3DQEBBzALBglghkgBZQME AgEwDQYJKoZIhvcNAQEBBQAEggEAj30Q08zfh4kFYyyElvpSHzX8cQQlh0vatH/F2osllGc5YslI cJjovNLegf7jpS08zWeZ3Ip5Ujl9Asnev/UTr1sCutBng4kSTrt8wCK6bB4QcJz8/PGK6c/ohvE7 ul+4xsKjcOiLXTZnJevVWfOwUYC8Xy+j2Bih1iYT88vlz4fj5yUIlkyC7q7oNhi1HEy3BcY9LBdw 6aZUrqxggIG/onwXGDYpH4C7TpdqiBR0mcDvoHnuvQsmmfK2DrZ0OPf4c4O4ZpjPOohA7+AHrTdq OJw/T3+RXciflrfKW81Q1axqaJgMkt3jB1TVcG+cJnZKVsJEJJ69zyioxkbOs2yg0g== --000000000000448bcd061cec0078--