From patchwork Sat Oct 13 07:20:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaotian Jing X-Patchwork-Id: 10639979 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C8EBA925 for ; Sat, 13 Oct 2018 07:25:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AC5592B4D1 for ; Sat, 13 Oct 2018 07:25:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9A5EB2B4D4; Sat, 13 Oct 2018 07:25:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 75ACC2B4D1 for ; Sat, 13 Oct 2018 07:25:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3n3OHzOnyxAuIHwEuq+VbE8e4568Q3lNRHMWViygkzk=; b=mxceWkugk/X0AD 6bNcfabfXFILOI4K06vCKUZIK7b1Tj5DSdIsRihuDNmcmn8eOvTNcc7Ls46KDMX4Aumuc9TVl8hk8 RQ26o8O6tBgkWZZZHxxtJuDHjJlA6dnXup0eYoBPXHK30xY23dy2ElbuKRkPGBv3MNm7YnNm4HLbG yHBBw1mKGjNNnGI5EekrD1IyKPQPn1Bx20j91AgqZ2rqnQxTci+TGxaLf7G4jmu015ZnooogTyIKl NsMMkAzikC4ZkDpKBRDBYBP2yF9ac/AvaEFvheQI2nkZ8CIhw88BPQ+z0vicRzniV10IH2EDM6ONB e8oQyHywl5cQWnjXKotA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gBEIF-0000Ey-BC; Sat, 13 Oct 2018 07:24:59 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gBEEp-0007BF-2w; Sat, 13 Oct 2018 07:21:55 +0000 X-UUID: 8b6f512365e04921b6700b60a6ea6d7f-20181013 X-UUID: 8b6f512365e04921b6700b60a6ea6d7f-20181013 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 193154984; Sat, 13 Oct 2018 15:21:19 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 13 Oct 2018 15:21:17 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 13 Oct 2018 15:21:16 +0800 From: Chaotian Jing To: Ulf Hansson Subject: [PATCH 5/6] mmc: mediatek: add MT8183 MMC driver support Date: Sat, 13 Oct 2018 15:20:49 +0800 Message-ID: <1539415250-32337-6-git-send-email-chaotian.jing@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1539415250-32337-1-git-send-email-chaotian.jing@mediatek.com> References: <1539415250-32337-1-git-send-email-chaotian.jing@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 512A1CFB259D0DCCF840F0F2B37C2994A14D6A3A7BAED4EAA5379CC7529B44622000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181013_002127_557400_ECAD8BC6 X-CRM114-Status: GOOD ( 16.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, jjian.zhou@mediatek.com, Ryder Lee , wenbin.mei@mediatek.com, srv_heupstream@mediatek.com, Sean Wang , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Wolfram Sang , Rob Herring , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Matthias Brugger , Chaotian Jing Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP MT8183 puts the tune register at top layer, so need add new code to support it. Signed-off-by: Chaotian Jing --- drivers/mmc/host/mtk-sd.c | 283 ++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 233 insertions(+), 50 deletions(-) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 09d7e44..5b26f2f 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -87,6 +87,13 @@ #define SDC_FIFO_CFG 0x228 /*--------------------------------------------------------------------------*/ +/* Top Pad Register Offset */ +/*--------------------------------------------------------------------------*/ +#define EMMC_TOP_CONTROL 0x00 +#define EMMC_TOP_CMD 0x04 +#define EMMC50_PAD_DS_TUNE 0x0c + +/*--------------------------------------------------------------------------*/ /* Register Mask */ /*--------------------------------------------------------------------------*/ @@ -261,6 +268,23 @@ #define SDC_FIFO_CFG_WRVALIDSEL (0x1 << 24) /* RW */ #define SDC_FIFO_CFG_RDVALIDSEL (0x1 << 25) /* RW */ +/* EMMC_TOP_CONTROL mask */ +#define PAD_RXDLY_SEL (0x1 << 0) /* RW */ +#define DELAY_EN (0x1 << 1) /* RW */ +#define PAD_DAT_RD_RXDLY2 (0x1f << 2) /* RW */ +#define PAD_DAT_RD_RXDLY (0x1f << 7) /* RW */ +#define PAD_DAT_RD_RXDLY2_SEL (0x1 << 12) /* RW */ +#define PAD_DAT_RD_RXDLY_SEL (0x1 << 13) /* RW */ +#define DATA_K_VALUE_SEL (0x1 << 14) /* RW */ +#define SDC_RX_ENH_EN (0x1 << 15) /* TW */ + +/* EMMC_TOP_CMD mask */ +#define PAD_CMD_RXDLY2 (0x1f << 0) /* RW */ +#define PAD_CMD_RXDLY (0x1f << 5) /* RW */ +#define PAD_CMD_RD_RXDLY2_SEL (0x1 << 10) /* RW */ +#define PAD_CMD_RD_RXDLY_SEL (0x1 << 11) /* RW */ +#define PAD_CMD_TX_DLY (0x1f << 12) /* RW */ + #define REQ_CMD_EIO (0x1 << 0) #define REQ_CMD_TMO (0x1 << 1) #define REQ_DAT_ERR (0x1 << 2) @@ -333,6 +357,9 @@ struct msdc_save_para { u32 emmc50_cfg0; u32 emmc50_cfg3; u32 sdc_fifo_cfg; + u32 emmc_top_control; + u32 emmc_top_cmd; + u32 emmc50_pad_ds_tune; }; struct mtk_mmc_compatible { @@ -351,6 +378,8 @@ struct msdc_tune_para { u32 iocon; u32 pad_tune; u32 pad_cmd_tune; + u32 emmc_top_control; + u32 emmc_top_cmd; }; struct msdc_delay_phase { @@ -372,6 +401,7 @@ struct msdc_host { int error; void __iomem *base; /* host base address */ + void __iomem *top_base; /* host top register base address */ struct msdc_dma dma; /* dma channel */ u64 dma_mask; @@ -429,6 +459,18 @@ struct msdc_host { .support_64g = false, }; +static const struct mtk_mmc_compatible mt8183_compat = { + .clk_div_bits = 12, + .hs400_tune = false, + .pad_tune_reg = MSDC_PAD_TUNE0, + .async_fifo = true, + .data_tune = true, + .busy_check = true, + .stop_clk_fix = true, + .enhance_rx = true, + .support_64g = true, +}; + static const struct mtk_mmc_compatible mt2701_compat = { .clk_div_bits = 12, .hs400_tune = false, @@ -468,6 +510,7 @@ struct msdc_host { static const struct of_device_id msdc_of_ids[] = { { .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat}, { .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat}, + { .compatible = "mediatek,mt8183-mmc", .data = &mt8183_compat}, { .compatible = "mediatek,mt2701-mmc", .data = &mt2701_compat}, { .compatible = "mediatek,mt2712-mmc", .data = &mt2712_compat}, { .compatible = "mediatek,mt7622-mmc", .data = &mt7622_compat}, @@ -777,12 +820,28 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) */ if (host->mmc->actual_clock <= 52000000) { writel(host->def_tune_para.iocon, host->base + MSDC_IOCON); - writel(host->def_tune_para.pad_tune, host->base + tune_reg); + if (host->top_base) { + writel(host->def_tune_para.emmc_top_control, + host->top_base + EMMC_TOP_CONTROL); + writel(host->def_tune_para.emmc_top_cmd, + host->top_base + EMMC_TOP_CMD); + } else { + writel(host->def_tune_para.pad_tune, + host->base + tune_reg); + } } else { writel(host->saved_tune_para.iocon, host->base + MSDC_IOCON); - writel(host->saved_tune_para.pad_tune, host->base + tune_reg); writel(host->saved_tune_para.pad_cmd_tune, host->base + PAD_CMD_TUNE); + if (host->top_base) { + writel(host->saved_tune_para.emmc_top_control, + host->top_base + EMMC_TOP_CONTROL); + writel(host->saved_tune_para.emmc_top_cmd, + host->top_base + EMMC_TOP_CMD); + } else { + writel(host->saved_tune_para.pad_tune, + host->base + tune_reg); + } } if (timing == MMC_TIMING_MMC_HS400 && @@ -1355,7 +1414,12 @@ static void msdc_init_hw(struct msdc_host *host) val = readl(host->base + MSDC_INT); writel(val, host->base + MSDC_INT); - writel(0, host->base + tune_reg); + if (host->top_base) { + writel(0, host->top_base + EMMC_TOP_CONTROL); + writel(0, host->top_base + EMMC_TOP_CMD); + } else { + writel(0, host->base + tune_reg); + } writel(0, host->base + MSDC_IOCON); sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DDLSEL, 0); writel(0x403c0046, host->base + MSDC_PATCH_BIT); @@ -1379,8 +1443,12 @@ static void msdc_init_hw(struct msdc_host *host) sdr_set_field(host->base + MSDC_PATCH_BIT2, MSDC_PB2_RESPWAIT, 3); if (host->dev_comp->enhance_rx) { - sdr_set_bits(host->base + SDC_ADV_CFG0, - SDC_RX_ENHANCE_EN); + if (host->top_base) + sdr_set_bits(host->top_base + EMMC_TOP_CONTROL, + SDC_RX_ENH_EN); + else + sdr_set_bits(host->base + SDC_ADV_CFG0, + SDC_RX_ENHANCE_EN); } else { sdr_set_field(host->base + MSDC_PATCH_BIT2, MSDC_PB2_RESPSTSENSEL, 2); @@ -1398,11 +1466,26 @@ static void msdc_init_hw(struct msdc_host *host) sdr_set_bits(host->base + MSDC_PATCH_BIT2, MSDC_PB2_SUPPORT_64G); if (host->dev_comp->data_tune) { - sdr_set_bits(host->base + tune_reg, - MSDC_PAD_TUNE_RD_SEL | MSDC_PAD_TUNE_CMD_SEL); + if (host->top_base) { + sdr_set_bits(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY_SEL); + sdr_clr_bits(host->top_base + EMMC_TOP_CONTROL, + DATA_K_VALUE_SEL); + sdr_set_bits(host->top_base + EMMC_TOP_CMD, + PAD_CMD_RD_RXDLY_SEL); + } else { + sdr_set_bits(host->base + tune_reg, + MSDC_PAD_TUNE_RD_SEL | + MSDC_PAD_TUNE_CMD_SEL); + } } else { /* choose clock tune */ - sdr_set_bits(host->base + tune_reg, MSDC_PAD_TUNE_RXDLYSEL); + if (host->top_base) + sdr_set_bits(host->top_base + EMMC_TOP_CONTROL, + PAD_RXDLY_SEL); + else + sdr_set_bits(host->base + tune_reg, + MSDC_PAD_TUNE_RXDLYSEL); } /* Configure to enable SDIO mode. @@ -1417,9 +1500,20 @@ static void msdc_init_hw(struct msdc_host *host) sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, 3); host->def_tune_para.iocon = readl(host->base + MSDC_IOCON); - host->def_tune_para.pad_tune = readl(host->base + tune_reg); host->saved_tune_para.iocon = readl(host->base + MSDC_IOCON); - host->saved_tune_para.pad_tune = readl(host->base + tune_reg); + if (host->top_base) { + host->def_tune_para.emmc_top_control = + readl(host->top_base + EMMC_TOP_CONTROL); + host->def_tune_para.emmc_top_cmd = + readl(host->top_base + EMMC_TOP_CMD); + host->saved_tune_para.emmc_top_control = + readl(host->top_base + EMMC_TOP_CONTROL); + host->saved_tune_para.emmc_top_cmd = + readl(host->top_base + EMMC_TOP_CMD); + } else { + host->def_tune_para.pad_tune = readl(host->base + tune_reg); + host->saved_tune_para.pad_tune = readl(host->base + tune_reg); + } dev_dbg(host->dev, "init hardware done!"); } @@ -1587,8 +1681,12 @@ static int msdc_tune_response(struct mmc_host *mmc, u32 opcode) sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); for (i = 0 ; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_CMDRDLY, i); + if (host->top_base) + sdr_set_field(host->top_base + EMMC_TOP_CMD, + PAD_CMD_RXDLY, i); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_CMDRDLY, i); /* * Using the same parameters, it may sometimes pass the test, * but sometimes it may fail. To make sure the parameters are @@ -1612,8 +1710,12 @@ static int msdc_tune_response(struct mmc_host *mmc, u32 opcode) sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); for (i = 0; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_CMDRDLY, i); + if (host->top_base) + sdr_set_field(host->top_base + EMMC_TOP_CMD, + PAD_CMD_RXDLY, i); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_CMDRDLY, i); /* * Using the same parameters, it may sometimes pass the test, * but sometimes it may fail. To make sure the parameters are @@ -1637,13 +1739,23 @@ static int msdc_tune_response(struct mmc_host *mmc, u32 opcode) final_maxlen = final_fall_delay.maxlen; if (final_maxlen == final_rise_delay.maxlen) { sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); - sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, - final_rise_delay.final_phase); + if (host->top_base) + sdr_set_field(host->base + EMMC_TOP_CMD, PAD_CMD_RXDLY, + final_rise_delay.final_phase); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_CMDRDLY, + final_rise_delay.final_phase); final_delay = final_rise_delay.final_phase; } else { sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); - sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, - final_fall_delay.final_phase); + if (host->top_base) + sdr_set_field(host->base + EMMC_TOP_CMD, PAD_CMD_RXDLY, + final_fall_delay.final_phase); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_CMDRDLY, + final_fall_delay.final_phase); final_delay = final_fall_delay.final_phase; } if (host->dev_comp->async_fifo || host->hs200_cmd_int_delay) @@ -1728,8 +1840,12 @@ static int msdc_tune_data(struct mmc_host *mmc, u32 opcode) sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); for (i = 0 ; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, i); + if (host->top_base) + sdr_set_field(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY, i); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_DATRRDLY, i); ret = mmc_send_tuning(mmc, opcode, NULL); if (!ret) rise_delay |= (1 << i); @@ -1743,8 +1859,12 @@ static int msdc_tune_data(struct mmc_host *mmc, u32 opcode) sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); for (i = 0; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, i); + if (host->top_base) + sdr_set_field(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY, i); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_DATRRDLY, i); ret = mmc_send_tuning(mmc, opcode, NULL); if (!ret) fall_delay |= (1 << i); @@ -1756,16 +1876,26 @@ static int msdc_tune_data(struct mmc_host *mmc, u32 opcode) if (final_maxlen == final_rise_delay.maxlen) { sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, - final_rise_delay.final_phase); + if (host->top_base) + sdr_set_field(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY, + final_rise_delay.final_phase); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_DATRRDLY, + final_rise_delay.final_phase); final_delay = final_rise_delay.final_phase; } else { sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, - final_fall_delay.final_phase); + if (host->top_base) + sdr_set_field(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY, + final_fall_delay.final_phase); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_DATRRDLY, + final_fall_delay.final_phase); final_delay = final_fall_delay.final_phase; } @@ -1793,10 +1923,17 @@ static int msdc_tune_together(struct mmc_host *mmc, u32 opcode) sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL | MSDC_IOCON_W_DSPL); for (i = 0 ; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_CMDRDLY, i); - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, i); + if (host->top_base) { + sdr_set_field(host->top_base + EMMC_TOP_CMD, + PAD_CMD_RXDLY, i); + sdr_set_field(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY, i); + } else { + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_CMDRDLY, i); + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_DATRRDLY, i); + } ret = mmc_send_tuning(mmc, opcode, NULL); if (!ret) rise_delay |= (1 << i); @@ -1811,10 +1948,17 @@ static int msdc_tune_together(struct mmc_host *mmc, u32 opcode) sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL | MSDC_IOCON_W_DSPL); for (i = 0; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_CMDRDLY, i); - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, i); + if (host->top_base) { + sdr_set_field(host->top_base + EMMC_TOP_CMD, + PAD_CMD_RXDLY, i); + sdr_set_field(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY, i); + } else { + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_CMDRDLY, i); + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_DATRRDLY, i); + } ret = mmc_send_tuning(mmc, opcode, NULL); if (!ret) fall_delay |= (1 << i); @@ -1827,22 +1971,24 @@ static int msdc_tune_together(struct mmc_host *mmc, u32 opcode) sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL | MSDC_IOCON_W_DSPL); - sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, - final_rise_delay.final_phase); - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, - final_rise_delay.final_phase); final_delay = final_rise_delay.final_phase; } else { sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL | MSDC_IOCON_W_DSPL); + final_delay = final_fall_delay.final_phase; + } + + if (host->top_base) { + sdr_set_field(host->top_base + EMMC_TOP_CMD, + PAD_CMD_RXDLY, final_delay); + sdr_set_field(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY, final_delay); + } else { sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, - final_fall_delay.final_phase); + final_delay); sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, - final_fall_delay.final_phase); - final_delay = final_fall_delay.final_phase; + MSDC_PAD_TUNE_DATRRDLY, final_delay); } dev_dbg(host->dev, "Final pad delay: %x\n", final_delay); @@ -1860,8 +2006,12 @@ static int msdc_execute_tuning(struct mmc_host *mmc, u32 opcode) if (host->hs400_mode) { sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL | MSDC_IOCON_W_DSPL); - sdr_set_field(host->base + tune_reg, - MSDC_PAD_TUNE_DATRRDLY, 0); + if (host->top_base) + sdr_set_field(host->top_base + EMMC_TOP_CONTROL, + PAD_DAT_RD_RXDLY, 0); + else + sdr_set_field(host->base + tune_reg, + MSDC_PAD_TUNE_DATRRDLY, 0); } goto tune_done; } @@ -1884,6 +2034,12 @@ static int msdc_execute_tuning(struct mmc_host *mmc, u32 opcode) host->saved_tune_para.iocon = readl(host->base + MSDC_IOCON); host->saved_tune_para.pad_tune = readl(host->base + tune_reg); host->saved_tune_para.pad_cmd_tune = readl(host->base + PAD_CMD_TUNE); + if (host->top_base) { + host->saved_tune_para.emmc_top_control = readl(host->top_base + + EMMC_TOP_CONTROL); + host->saved_tune_para.emmc_top_cmd = readl(host->top_base + + EMMC_TOP_CMD); + } return ret; } @@ -1892,7 +2048,11 @@ static int msdc_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios) struct msdc_host *host = mmc_priv(mmc); host->hs400_mode = true; - writel(host->hs400_ds_delay, host->base + PAD_DS_TUNE); + if (host->top_base) + writel(host->hs400_ds_delay, + host->top_base + EMMC50_PAD_DS_TUNE); + else + writel(host->hs400_ds_delay, host->base + PAD_DS_TUNE); /* hs400 mode must set it to 0 */ sdr_clr_bits(host->base + MSDC_PATCH_BIT2, MSDC_PATCH_BIT2_CFGCRCSTS); /* to improve read performance, set outstanding to 2 */ @@ -1975,6 +2135,11 @@ static int msdc_drv_probe(struct platform_device *pdev) goto host_free; } + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + host->top_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(host->top_base)) + host->top_base = NULL; + ret = mmc_regulator_get_supply(mmc); if (ret) goto host_free; @@ -2143,7 +2308,6 @@ static void msdc_save_reg(struct msdc_host *host) host->save_para.msdc_cfg = readl(host->base + MSDC_CFG); host->save_para.iocon = readl(host->base + MSDC_IOCON); host->save_para.sdc_cfg = readl(host->base + SDC_CFG); - host->save_para.pad_tune = readl(host->base + tune_reg); host->save_para.patch_bit0 = readl(host->base + MSDC_PATCH_BIT); host->save_para.patch_bit1 = readl(host->base + MSDC_PATCH_BIT1); host->save_para.patch_bit2 = readl(host->base + MSDC_PATCH_BIT2); @@ -2152,6 +2316,16 @@ static void msdc_save_reg(struct msdc_host *host) host->save_para.emmc50_cfg0 = readl(host->base + EMMC50_CFG0); host->save_para.emmc50_cfg3 = readl(host->base + EMMC50_CFG3); host->save_para.sdc_fifo_cfg = readl(host->base + SDC_FIFO_CFG); + if (host->top_base) { + host->save_para.emmc_top_control = + readl(host->top_base + EMMC_TOP_CONTROL); + host->save_para.emmc_top_cmd = + readl(host->top_base + EMMC_TOP_CMD); + host->save_para.emmc50_pad_ds_tune = + readl(host->top_base + EMMC50_PAD_DS_TUNE); + } else { + host->save_para.pad_tune = readl(host->base + tune_reg); + } } static void msdc_restore_reg(struct msdc_host *host) @@ -2161,7 +2335,6 @@ static void msdc_restore_reg(struct msdc_host *host) writel(host->save_para.msdc_cfg, host->base + MSDC_CFG); writel(host->save_para.iocon, host->base + MSDC_IOCON); writel(host->save_para.sdc_cfg, host->base + SDC_CFG); - writel(host->save_para.pad_tune, host->base + tune_reg); writel(host->save_para.patch_bit0, host->base + MSDC_PATCH_BIT); writel(host->save_para.patch_bit1, host->base + MSDC_PATCH_BIT1); writel(host->save_para.patch_bit2, host->base + MSDC_PATCH_BIT2); @@ -2170,6 +2343,16 @@ static void msdc_restore_reg(struct msdc_host *host) writel(host->save_para.emmc50_cfg0, host->base + EMMC50_CFG0); writel(host->save_para.emmc50_cfg3, host->base + EMMC50_CFG3); writel(host->save_para.sdc_fifo_cfg, host->base + SDC_FIFO_CFG); + if (host->top_base) { + writel(host->save_para.emmc_top_control, + host->top_base + EMMC_TOP_CONTROL); + writel(host->save_para.emmc_top_cmd, + host->top_base + EMMC_TOP_CMD); + writel(host->save_para.emmc50_pad_ds_tune, + host->top_base + EMMC50_PAD_DS_TUNE); + } else { + writel(host->save_para.pad_tune, host->base + tune_reg); + } } static int msdc_runtime_suspend(struct device *dev)