From patchwork Wed Jan 18 00:53:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 644280 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EFA5C00A5A for ; Wed, 18 Jan 2023 01:05:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229724AbjARBFn (ORCPT ); Tue, 17 Jan 2023 20:05:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229948AbjARBEq (ORCPT ); Tue, 17 Jan 2023 20:04:46 -0500 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44B485D7D8 for ; Tue, 17 Jan 2023 16:53:42 -0800 (PST) Received: by mail-wr1-x42d.google.com with SMTP id b5so11231822wrn.0 for ; Tue, 17 Jan 2023 16:53:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=WN0r8mcx/lu8xBarUe9xAPAmqmeUEpvKsCZttmUdlrM=; b=wugAOyuM2qpztXi5fx2Xv0I1jZPZOvubT/hliigysYg7aoz/+zGXsNK0rsZ2marb2x PWvmJUXC+EXJDuJvO3G7z8YQzM0uQSR63Ona5+ogC4y0fmgAv1LmbOaGStULYBSORQIW CysgJ2J/VcK5iya0RsnYE9SmCH5Nb1KIQpbarv3qkk+swWmcJvNFLiCSRauiGZh9tSc4 Oe2D8ixsfAg3COX8htSbEG69OYzvwlJueWlpsl4Jk7nZ6qkwpRY4wSRzXuFxhukQDxii IgEebVcplMmszSOsV8HqgrEtr6Yi3VxbAZeGQw/Au05Y7ZepDxowzx7KexOi0jpxR1Wy WqgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version: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=WN0r8mcx/lu8xBarUe9xAPAmqmeUEpvKsCZttmUdlrM=; b=s2TxA+zDgKBNp3ZehE1Jj7XAjX/dqOgzoALd66bsK2Pd1i0f+yNKq9Sh9QejeMoCx2 TuKbtm1Yt1gbLD+0zY3AHHj26DXr+Am6Nw0fObMQ9COkqY5SVOwpyKf8/TlF8MTDPiE5 PZHQOg4E4/Xx9IIOGJDqzu52SqyhOMncwL4qhqspHfpDYI3UvsayBXKBNTX9TY+JdW89 6M1mZDWYp/lJZnnbQSRvypwHaqoIjQBELx3U6aYerzYGWiEosaIrVi+Qsd75W6BtsM7w 9od2gtGIMdYH5jkDRt/7USWq5PZsne0zuORWjbxUBu6DIj1CXOYYitmwIaWHTvJOei7b Ug9g== X-Gm-Message-State: AFqh2kpddpl5nSXOy+lVB1vY7SdB4DKmOBhuCkDQn8yoAdBwKlkPNug8 bv4mmgCA/Ja5bDJXBsk2pGynDA== X-Google-Smtp-Source: AMrXdXvW/gKxEBmVMHPblqL7MJVB9C8ESbZacfQUUDBIbd0uRcGlfAvgP90SEt02MDWnqfFrJ3obaQ== X-Received: by 2002:adf:e908:0:b0:2bd:cdf9:b4ed with SMTP id f8-20020adfe908000000b002bdcdf9b4edmr4294439wrm.2.1674003221791; Tue, 17 Jan 2023 16:53:41 -0800 (PST) Received: from hackbox.lan ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id t17-20020a05600001d100b00241d21d4652sm29609705wrx.21.2023.01.17.16.53.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 16:53:41 -0800 (PST) From: Abel Vesa To: Andy Gross , Bjorn Andersson , Konrad Dybcio , "vkoul@kernel.org" , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, Linux Kernel Mailing List , Johan Hovold , Neil Armstrong Subject: [PATCH v3 8/8] phy: qcom-qmp-pcie: Add support for SM8550 g3x2 and g4x2 PCIEs Date: Wed, 18 Jan 2023 02:53:28 +0200 Message-Id: <20230118005328.2378792-9-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230118005328.2378792-1-abel.vesa@linaro.org> References: <20230118005328.2378792-1-abel.vesa@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add the SM8550 both g4 and g3 configurations. In addition, there is a new "lane shared" table that needs to be configured for g4, along with the No-CSR list of resets. Co-developed-by: Neil Armstrong Signed-off-by: Neil Armstrong Signed-off-by: Abel Vesa --- drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 369 +++++++++++++++++++++++ 1 file changed, 369 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index bffb9e138715..6f82604bd430 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -1506,6 +1506,234 @@ static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl[] = QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x08), }; +static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_serdes_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x62), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0xf8), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x93), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_ENABLE1, 0x90), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYS_CLK_CTRL, 0x82), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x42), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x04), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0d), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x1a), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x34), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xaa), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0x55), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0x55), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x14), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_SELECT, 0x34), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_ADDITIONAL_MISC_3, 0x0f), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0xa0), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_tx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_1, 0x15), + QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_4, 0x3f), + QMP_PHY_INIT_CFG(QSERDES_V6_TX_PI_QEC_CTRL, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_OFFSET_RX, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_OFFSET_TX, 0x18), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_rx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V6_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_GM_CAL, 0x11), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH, 0xbf), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH2, 0xbf), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH3, 0xb7), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH4, 0xea), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_LOW, 0x3f), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH, 0x5c), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH2, 0x9c), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH3, 0x1a), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH4, 0x89), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_LOW, 0xdc), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH, 0x94), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH2, 0x5b), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH3, 0x1a), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH4, 0x89), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_TX_ADAPT_POST_THRESH, 0xf0), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FO_GAIN, 0x09), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SO_GAIN, 0x05), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH1, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH2, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_VGA_CAL_CNTRL2, 0x0f), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIDGET_ENABLES, 0x1c), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_IDAC_TSETTLE_LOW, 0x07), + QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CAL_TRIM, 0x08), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_pcs_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V6_PCS_REFGEN_REQ_CONFIG1, 0x05), + QMP_PHY_INIT_CFG(QPHY_V6_PCS_RX_SIGDET_LVL, 0x77), + QMP_PHY_INIT_CFG(QPHY_V6_PCS_RATE_SLEW_CNTRL1, 0x0b), + QMP_PHY_INIT_CFG(QPHY_V6_PCS_EQ_CONFIG2, 0x0f), + QMP_PHY_INIT_CFG(QPHY_V6_PCS_PCS_TX_RX_CONFIG, 0x8c), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_pcs_misc_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG2, 0x1d), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG4, 0x07), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_serdes_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x26), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x03), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x1a), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x68), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0xab), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0xaa), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x12), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0xf8), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CORE_CLK_DIV_MODE0, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x04), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0d), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xaa), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_HS_SWITCH_SEL_1, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x62), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x02), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_POST_DIV_MUX, 0x40), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_BIAS_EN_CLK_BUFLR_EN, 0x14), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_ENABLE1, 0x90), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYS_CLK_CTRL, 0x82), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x0f), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x08), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x46), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_CFG, 0x04), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x14), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_SELECT, 0x34), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0xa0), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x06), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MISC_1, 0x88), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MODE, 0x14), + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_VCO_DC_LEVEL_CTRL, 0x0f), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_serdes_ln_shrd_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RXCLK_DIV2_CTRL, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_Q_EN_RATES, 0xe), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_DFE_DAC_ENABLE1, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH1, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH2, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B0, 0x12), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B1, 0x12), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B2, 0xdb), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B3, 0x9a), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B4, 0x38), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B5, 0xb6), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B6, 0x64), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE210, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE3, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE210, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE3, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE210, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE3, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH4_RATE3, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH5_RATE3, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH6_RATE3, 0x1f), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_tx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_TX, 0x1d), + QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_RX, 0x03), + QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_1, 0x01), + QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_2, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_3, 0x51), + QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_TRAN_DRVR_EMP_EN, 0x34), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_rx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_2, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_3, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_PI_CONTROLS, 0x16), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_ACC_DEFAULT_VAL_RATE3, 0x00), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_CAL_CTRL2, 0x80), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_POSTCAL_OFFSET, 0x7c), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_3, 0x05), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_VGA_CAL_MAN_VAL, 0x0a), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_GM_CAL, 0x0d), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_EQU_ADAPTOR_CNTRL4, 0x0b), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_SIGDET_ENABLES, 0x1c), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_PHPRE_CTRL, 0x20), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_CTLE_POST_CAL_OFFSET, 0x30), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_Q_PI_INTRINSIC_BIAS_RATE32, 0x09), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B0, 0x14), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B1, 0xb3), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B2, 0x58), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B3, 0x9a), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B4, 0x26), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B5, 0xb6), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B6, 0xee), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B0, 0xdb), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B1, 0xdb), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B2, 0xa0), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B3, 0xdf), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B4, 0x78), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B5, 0x76), + QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B6, 0xff), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_pcs_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_G3S2_PRE_GAIN, 0x2e), + QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_COM_ELECIDLE_DLY_SEL, 0x25), + QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG4, 0x00), + QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG5, 0x22), + QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_TX_RX_CONFIG1, 0x04), + QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_TX_RX_CONFIG2, 0x02), +}; + +static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_pcs_misc_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_ENDPOINT_REFCLK_DRIVE, 0xc1), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_OSC_DTCT_ATCIONS, 0x00), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG1, 0x16), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG5, 0x02), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_PRE_GAIN, 0x2e), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG1, 0x03), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG3, 0x28), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_TX_RX_CONFIG, 0xc0), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_POWER_STATE_CONFIG2, 0x1d), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG5, 0x0f), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G3_FOM_EQ_CONFIG5, 0xf2), + QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_FOM_EQ_CONFIG5, 0xf2), +}; + struct qmp_pcie_offsets { u16 serdes; u16 pcs; @@ -1514,11 +1742,14 @@ struct qmp_pcie_offsets { u16 rx; u16 tx2; u16 rx2; + u16 ln_shrd; }; struct qmp_phy_cfg_tbls { const struct qmp_phy_init_tbl *serdes; int serdes_num; + const struct qmp_phy_init_tbl *ln_shrd_serdes; + int ln_shrd_serdes_num; const struct qmp_phy_init_tbl *tx; int tx_num; const struct qmp_phy_init_tbl *rx; @@ -1556,6 +1787,9 @@ struct qmp_phy_cfg { /* resets to be requested */ const char * const *reset_list; int num_resets; + /* no CSR resets to be requested */ + const char * const *nocsr_reset_list; + int num_nocsr_resets; /* regulators to be requested */ const char * const *vreg_list; int num_vregs; @@ -1569,6 +1803,9 @@ struct qmp_phy_cfg { bool skip_start_delay; + /* true, if PHY has lane shared serdes table */ + bool has_ln_shrd_serdes_tbl; + /* QMP PHY pipe clock interface rate */ unsigned long pipe_clock_rate; }; @@ -1580,6 +1817,7 @@ struct qmp_pcie { bool tcsr_4ln_config; void __iomem *serdes; + void __iomem *ln_shrd_serdes; void __iomem *pcs; void __iomem *pcs_misc; void __iomem *tx; @@ -1594,6 +1832,7 @@ struct qmp_pcie { int num_pipe_clks; struct reset_control_bulk_data *resets; + struct reset_control_bulk_data *nocsr_resets; struct regulator_bulk_data *vregs; struct phy *phy; @@ -1643,11 +1882,19 @@ static const char * const sdm845_pciephy_clk_l[] = { "aux", "cfg_ahb", "ref", "refgen", }; +static const char * const sm8550_pciephy_clk_l[] = { + "aux", "aux_phy", "cfg_ahb", "ref", "rchng", +}; + /* list of regulators */ static const char * const qmp_phy_vreg_l[] = { "vdda-phy", "vdda-pll", }; +static const char * const sm8550_qmp_phy_vreg_l[] = { + "vdda-phy", "vdda-pll", "vdda-qref", +}; + /* list of resets */ static const char * const ipq8074_pciephy_reset_l[] = { "phy", "common", @@ -1657,6 +1904,10 @@ static const char * const sdm845_pciephy_reset_l[] = { "phy", }; +static const char * const sm8550_pciephy_nocsr_reset_l[] = { + "pcie_1_nocsr_com_phy_reset", +}; + static const struct qmp_pcie_offsets qmp_pcie_offsets_v5 = { .serdes = 0, .pcs = 0x0200, @@ -1667,6 +1918,17 @@ static const struct qmp_pcie_offsets qmp_pcie_offsets_v5 = { .rx2 = 0x1800, }; +static const struct qmp_pcie_offsets qmp_pcie_offsets_v6_20 = { + .serdes = 0x1000, + .pcs = 0x1200, + .pcs_misc = 0x1400, + .tx = 0x0, + .rx = 0x200, + .tx2 = 0x800, + .rx2 = 0xa00, + .ln_shrd = 0xe00, +}; + static const struct qmp_phy_cfg ipq8074_pciephy_cfg = { .lanes = 1, @@ -2214,6 +2476,69 @@ static const struct qmp_phy_cfg sm8450_qmp_gen4x2_pciephy_cfg = { .phy_status = PHYSTATUS_4_20, }; +static const struct qmp_phy_cfg sm8550_qmp_gen3x2_pciephy_cfg = { + .lanes = 2, + + .offsets = &qmp_pcie_offsets_v5, + + .tbls = { + .serdes = sm8550_qmp_gen3x2_pcie_serdes_tbl, + .serdes_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_serdes_tbl), + .tx = sm8550_qmp_gen3x2_pcie_tx_tbl, + .tx_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_tx_tbl), + .rx = sm8550_qmp_gen3x2_pcie_rx_tbl, + .rx_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_rx_tbl), + .pcs = sm8550_qmp_gen3x2_pcie_pcs_tbl, + .pcs_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_pcs_tbl), + .pcs_misc = sm8550_qmp_gen3x2_pcie_pcs_misc_tbl, + .pcs_misc_num = ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_pcs_misc_tbl), + }, + .clk_list = sc8280xp_pciephy_clk_l, + .num_clks = ARRAY_SIZE(sc8280xp_pciephy_clk_l), + .reset_list = sdm845_pciephy_reset_l, + .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l), + .vreg_list = qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), + .regs = pciephy_v5_regs_layout, + + .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS, +}; + +static const struct qmp_phy_cfg sm8550_qmp_gen4x2_pciephy_cfg = { + .lanes = 2, + + .offsets = &qmp_pcie_offsets_v6_20, + + .tbls = { + .serdes = sm8550_qmp_gen4x2_pcie_serdes_tbl, + .serdes_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_serdes_tbl), + .ln_shrd_serdes = sm8550_qmp_gen4x2_pcie_serdes_ln_shrd_tbl, + .ln_shrd_serdes_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_serdes_ln_shrd_tbl), + .tx = sm8550_qmp_gen4x2_pcie_tx_tbl, + .tx_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_tx_tbl), + .rx = sm8550_qmp_gen4x2_pcie_rx_tbl, + .rx_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_rx_tbl), + .pcs = sm8550_qmp_gen4x2_pcie_pcs_tbl, + .pcs_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_pcs_tbl), + .pcs_misc = sm8550_qmp_gen4x2_pcie_pcs_misc_tbl, + .pcs_misc_num = ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_pcs_misc_tbl), + }, + .clk_list = sm8550_pciephy_clk_l, + .num_clks = ARRAY_SIZE(sm8550_pciephy_clk_l), + .reset_list = sdm845_pciephy_reset_l, + .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l), + .nocsr_reset_list = sm8550_pciephy_nocsr_reset_l, + .num_nocsr_resets = ARRAY_SIZE(sm8550_pciephy_nocsr_reset_l), + .vreg_list = sm8550_qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(sm8550_qmp_phy_vreg_l), + .regs = pciephy_v5_regs_layout, + + .has_ln_shrd_serdes_tbl = true, + .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .phy_status = PHYSTATUS_4_20, +}; + static void qmp_pcie_configure_lane(void __iomem *base, const struct qmp_phy_init_tbl tbl[], int num, @@ -2262,6 +2587,7 @@ static void qmp_pcie_init_registers(struct qmp_pcie *qmp, const struct qmp_phy_c { const struct qmp_phy_cfg *cfg = qmp->cfg; void __iomem *serdes = qmp->serdes; + void __iomem *ln_shrd_serdes = qmp->ln_shrd_serdes; void __iomem *tx = qmp->tx; void __iomem *rx = qmp->rx; void __iomem *tx2 = qmp->tx2; @@ -2289,6 +2615,10 @@ static void qmp_pcie_init_registers(struct qmp_pcie *qmp, const struct qmp_phy_c qmp_pcie_configure(serdes, cfg->serdes_4ln_tbl, cfg->serdes_4ln_num); qmp_pcie_init_port_b(qmp, tbls); } + + if (cfg->has_ln_shrd_serdes_tbl) + qmp_pcie_configure(ln_shrd_serdes, tbls->ln_shrd_serdes, + tbls->ln_shrd_serdes_num); } static int qmp_pcie_init(struct phy *phy) @@ -2309,6 +2639,14 @@ static int qmp_pcie_init(struct phy *phy) goto err_disable_regulators; } + if (qmp->nocsr_resets) { + ret = reset_control_bulk_assert(cfg->num_nocsr_resets, qmp->nocsr_resets); + if (ret) { + dev_err(qmp->dev, "no-csr reset assert failed\n"); + goto err_disable_regulators; + } + } + usleep_range(200, 300); ret = reset_control_bulk_deassert(cfg->num_resets, qmp->resets); @@ -2370,6 +2708,14 @@ static int qmp_pcie_power_on(struct phy *phy) if (ret) return ret; + if (qmp->nocsr_resets) { + ret = reset_control_bulk_deassert(cfg->num_nocsr_resets, qmp->nocsr_resets); + if (ret) { + dev_err(qmp->dev, "no-csr reset deassert failed\n"); + goto err_disable_pipe_clk; + } + } + /* Pull PHY out of reset state */ qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); @@ -2503,6 +2849,21 @@ static int qmp_pcie_reset_init(struct qmp_pcie *qmp) if (ret) return dev_err_probe(dev, ret, "failed to get resets\n"); + if (cfg->nocsr_reset_list) { + qmp->nocsr_resets = devm_kcalloc(dev, cfg->num_nocsr_resets, + sizeof(*qmp->nocsr_resets), GFP_KERNEL); + if (!qmp->nocsr_resets) + return -ENOMEM; + + for (i = 0; i < cfg->num_nocsr_resets; i++) + qmp->nocsr_resets[i].id = cfg->nocsr_reset_list[i]; + + ret = devm_reset_control_bulk_get_exclusive(dev, cfg->num_nocsr_resets, + qmp->nocsr_resets); + if (ret) + return dev_err_probe(dev, ret, "failed to get no CSR resets\n"); + } + return 0; } @@ -2713,6 +3074,8 @@ static int qmp_pcie_parse_dt(struct qmp_pcie *qmp) qmp->pcs_misc = base + offs->pcs_misc; qmp->tx = base + offs->tx; qmp->rx = base + offs->rx; + if (cfg->has_ln_shrd_serdes_tbl) + qmp->ln_shrd_serdes = base + offs->ln_shrd; if (cfg->lanes >= 2) { qmp->tx2 = base + offs->tx2; @@ -2865,6 +3228,12 @@ static const struct of_device_id qmp_pcie_of_match_table[] = { }, { .compatible = "qcom,sm8450-qmp-gen4x2-pcie-phy", .data = &sm8450_qmp_gen4x2_pciephy_cfg, + }, { + .compatible = "qcom,sm8550-qmp-gen3x2-pcie-phy", + .data = &sm8550_qmp_gen3x2_pciephy_cfg, + }, { + .compatible = "qcom,sm8550-qmp-gen4x2-pcie-phy", + .data = &sm8550_qmp_gen4x2_pciephy_cfg, }, { }, };