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Wed, 11 Oct 2023 11:43:08 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 11 Oct 2023 11:43:08 +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 v1 1/3] soc: mediatek: svs: Add support for MT8195 SoC Date: Wed, 11 Oct 2023 11:43:05 +0800 Message-ID: <20231011034307.24641-2-chun-jen.tseng@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231011034307.24641-1-chun-jen.tseng@mediatek.com> References: <20231011034307.24641-1-chun-jen.tseng@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--9.945800-8.000000 X-TMASE-MatchedRID: GwmKcylEtt8Z+je+8a5/a38c8oKMbgYY0pVrZbbfikgTF8tEGMn0ovlY oV6p/cSxdlrF5BK8CswKDee6oJ8ihU9dh3PRYVY14RtSDjG+z7ChQhstwJ9G4DJDf04iwTcYs4M sNWdvFuhxEVHIJfjMK7pxDH0YWH+Inh05MEIv7Ndxa2BHu4P5OPls1Rj4kmPIFLXUWU5hGiFynC +RoYX/O+LzNWBegCW2xl8lw85EaVQLbigRnpKlKSPzRlrdFGDwKpWjy9i97MkNsLUak+gzyThXU ECyNQn3/l6Q7UmgcfyYLFAxByvC/w== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--9.945800-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 3F5B34051C6126FA34E494D2EE20E98D7390F45A91A910DE3EC9DD557F3329A92000:8 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231010_204350_365921_401DF2C8 X-CRM114-Status: GOOD ( 18.76 ) 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, }, {