From patchwork Thu Nov 16 11:04:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Tseng X-Patchwork-Id: 13457780 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 540DFC54FB9 for ; Thu, 16 Nov 2023 11:05:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yrn0aBQ4JlXHXaHVnQq68aX2BQ9L31I8WV26fBhKkoY=; b=w4OECrsHDLBJHP j1XE425ng2B6/rlms0/fDfKxtujJn1HiU+7ZyNPK3ClK5bEhJur3hveG/S/brwY0/skBg5UttpKRe ILcHNniDBnF3cHzVL/KZJd568+/JkaZCBO0JozLrychwELkORzsg5OosxGsJd3z552U9xDdTj1HT1 6pKqXFnSA7E44PPLszNNAHbkYYYQ/ZumCxTZeyQ+lB6pdOU8UB9eenCbYZilB+b4Tkll34BDW9EfT tJNsVtMU+eX46Ijt5jH5dyl0JWrl4mHX3IO8dDR770OxxjhJENjpiBfsLKFZIk+wAhPP1AohdbdtB TIFznDcreAYMFqAA81bA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r3aBE-003AWG-2W; Thu, 16 Nov 2023 11:05:04 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r3aBB-003AT9-1f; Thu, 16 Nov 2023 11:05:03 +0000 X-UUID: f7daf062846f11ee86758d4a7c00f3a0-20231116 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=SMvtmMFnnkXUvzAdpwW++EfhTeP/2PYazC7aVV/JGD8=; b=NuBZOL92QtJnjS5SDkemT2/H6kX3RQChSrjGd/ZKRKipoW8nbOUTlvJ6Ld+BrxPOMxeSGz70QYkwhx+l86qN8HASoiiizEmsZAfXD1Q5ppx4111hwNPrY9mHuqXlZlI5s2EG+A3pqmlwS4pDwnuZcFYjnknmyym7VKwUd2o5JTw=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.33,REQID:d0c267e4-f18c-47a6-9d21-11fb81bf2e71,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:364b77b,CLOUDID:d6319bfc-4a48-46e2-b946-12f04f20af8c,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: f7daf062846f11ee86758d4a7c00f3a0-20231116 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 122791110; Thu, 16 Nov 2023 04:04:52 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 16 Nov 2023 19:04:50 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 16 Nov 2023 19:04:50 +0800 From: Mark Tseng To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Philipp Zabel , Roger Lu , Kevin Hilman CC: , , , , , Subject: [PATCH v2 1/3] soc: mediatek: svs: Add support for MT8195 SoC Date: Thu, 16 Nov 2023 19:04:45 +0800 Message-ID: <20231116110447.3598-2-chun-jen.tseng@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231116110447.3598-1-chun-jen.tseng@mediatek.com> References: <20231116110447.3598-1-chun-jen.tseng@mediatek.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231116_030501_569479_5F22ADFC X-CRM114-Status: GOOD ( 18.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org MT8195 svs gpu uses 2-line high bank and low bank to optimize the voltage of opp table for higher and lower frequency respectively. Signed-off-by: Mark Tseng Reviewed-by: AngeloGioacchino Del Regno --- drivers/soc/mediatek/mtk-svs.c | 136 +++++++++++++++++++++++++++++++++ 1 file changed, 136 insertions(+) diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c index f31e3bedff50..317c402e673a 100644 --- a/drivers/soc/mediatek/mtk-svs.c +++ b/drivers/soc/mediatek/mtk-svs.c @@ -1792,6 +1792,75 @@ static int svs_get_efuse_data(struct svs_platform *svsp, return 0; } +static bool svs_mt8195_efuse_parsing(struct svs_platform *svsp) +{ + struct svs_bank *svsb; + u32 idx, i, ft_pgm, vmin, golden_temp; + int ret; + + for (i = 0; i < svsp->efuse_max; i++) + if (svsp->efuse[i]) + dev_info(svsp->dev, "M_HW_RES%d: 0x%08x\n", + i, svsp->efuse[i]); + + if (!svsp->efuse[10]) { + dev_notice(svsp->dev, "svs_efuse[10] = 0x0?\n"); + return false; + } + + /* Svs efuse parsing */ + ft_pgm = svsp->efuse[0] & GENMASK(7, 0); + vmin = (svsp->efuse[19] >> 4) & GENMASK(1, 0); + + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + + if (vmin == 0x1) + svsb->vmin = 0x1e; + + if (ft_pgm == 0) + svsb->volt_flags |= SVSB_INIT01_VOLT_IGNORE; + + if (svsb->type == SVSB_LOW) { + svsb->mtdes = svsp->efuse[10] & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[10] >> 16) & GENMASK(7, 0); + svsb->mdes = (svsp->efuse[10] >> 24) & GENMASK(7, 0); + svsb->dcbdet = (svsp->efuse[8]) & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[8] >> 8) & GENMASK(7, 0); + } else if (svsb->type == SVSB_HIGH) { + svsb->mtdes = svsp->efuse[9] & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[9] >> 16) & GENMASK(7, 0); + svsb->mdes = (svsp->efuse[9] >> 24) & GENMASK(7, 0); + svsb->dcbdet = (svsp->efuse[8]) & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[8] >> 8) & GENMASK(7, 0); + } + + svsb->vmax += svsb->dvt_fixed; + } + + ret = svs_get_efuse_data(svsp, "t-calibration-data", + &svsp->tefuse, &svsp->tefuse_max); + if (ret) + return false; + + for (i = 0; i < svsp->tefuse_max; i++) + if (svsp->tefuse[i] != 0) + break; + + if (i == svsp->tefuse_max) + golden_temp = 50; /* All thermal efuse data are 0 */ + else + golden_temp = (svsp->tefuse[0] >> 24) & GENMASK(7, 0); + + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + svsb->mts = 500; + svsb->bts = (((500 * golden_temp + 250460) / 1000) - 25) * 4; + } + + return true; +} + static bool svs_mt8192_efuse_parsing(struct svs_platform *svsp) { struct svs_bank *svsb; @@ -2222,6 +2291,61 @@ static int svs_mt8183_platform_probe(struct svs_platform *svsp) return 0; } +static struct svs_bank svs_mt8195_banks[] = { + { + .sw_id = SVSB_GPU, + .type = SVSB_LOW, + .set_freq_pct = svs_set_bank_freq_pct_v3, + .get_volts = svs_get_bank_volts_v3, + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT, + .mode_support = SVSB_MODE_INIT02, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 640000000, + .turn_freq_base = 640000000, + .volt_step = 6250, + .volt_base = 400000, + .vmax = 0x38, + .vmin = 0x14, + .age_config = 0x555555, + .dc_config = 0x1, + .dvt_fixed = 0x1, + .vco = 0x18, + .chk_shift = 0x87, + .core_sel = 0x0fff0100, + .int_st = BIT(0), + .ctl0 = 0x00540003, + }, + { + .sw_id = SVSB_GPU, + .type = SVSB_HIGH, + .set_freq_pct = svs_set_bank_freq_pct_v3, + .get_volts = svs_get_bank_volts_v3, + .tzone_name = "gpu1", + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT | + SVSB_MON_VOLT_IGNORE, + .mode_support = SVSB_MODE_INIT02 | SVSB_MODE_MON, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 880000000, + .turn_freq_base = 640000000, + .volt_step = 6250, + .volt_base = 400000, + .vmax = 0x38, + .vmin = 0x14, + .age_config = 0x555555, + .dc_config = 0x1, + .dvt_fixed = 0x6, + .vco = 0x18, + .chk_shift = 0x87, + .core_sel = 0x0fff0101, + .int_st = BIT(1), + .ctl0 = 0x00540003, + .tzone_htemp = 85000, + .tzone_htemp_voffset = 0, + .tzone_ltemp = 25000, + .tzone_ltemp_voffset = 7, + }, +}; + static struct svs_bank svs_mt8192_banks[] = { { .sw_id = SVSB_GPU, @@ -2441,6 +2565,15 @@ static struct svs_bank svs_mt8183_banks[] = { }, }; +static const struct svs_platform_data svs_mt8195_platform_data = { + .name = "mt8195-svs", + .banks = svs_mt8195_banks, + .efuse_parsing = svs_mt8195_efuse_parsing, + .probe = svs_mt8192_platform_probe, + .regs = svs_regs_v2, + .bank_max = ARRAY_SIZE(svs_mt8195_banks), +}; + static const struct svs_platform_data svs_mt8192_platform_data = { .name = "mt8192-svs", .banks = svs_mt8192_banks, @@ -2470,6 +2603,9 @@ static const struct svs_platform_data svs_mt8183_platform_data = { static const struct of_device_id svs_of_match[] = { { + .compatible = "mediatek,mt8195-svs", + .data = &svs_mt8195_platform_data, + }, { .compatible = "mediatek,mt8192-svs", .data = &svs_mt8192_platform_data, }, {