From patchwork Fri Dec 8 03:21:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricky WU X-Patchwork-Id: 751978 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8CF51715; Thu, 7 Dec 2023 19:22:24 -0800 (PST) X-SpamFilter-By: ArmorX SpamTrap 5.78 with qID 3B83MCfpC576501, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.95/5.92) with ESMTPS id 3B83MCfpC576501 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 8 Dec 2023 11:22:12 +0800 Received: from RTEXMBS01.realtek.com.tw (172.21.6.94) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2375.32; Fri, 8 Dec 2023 11:22:12 +0800 Received: from localhost (172.22.81.102) by RTEXMBS01.realtek.com.tw (172.21.6.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.34; Fri, 8 Dec 2023 11:22:11 +0800 From: Ricky Wu To: , , , , , , CC: Subject: [PATCH v7 3/3] mmc: rtsx: add rts5264 to support sd express card Date: Fri, 8 Dec 2023 11:21:45 +0800 Message-ID: <20231208032145.2143580-4-ricky_wu@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231208032145.2143580-1-ricky_wu@realtek.com> References: <20231208032145.2143580-1-ricky_wu@realtek.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: RTEXH36506.realtek.com.tw (172.21.6.27) To RTEXMBS01.realtek.com.tw (172.21.6.94) X-KSE-ServerInfo: RTEXMBS01.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback rts5264 can support sd express card, so add the id in sd express card init to do rts5264 register setting when the sd express card insert Signed-off-by: Ricky Wu Acked-by: Ulf Hansson --- v3: split up mmc part from v2 patch v4: split new definition up from v3 --- --- drivers/mmc/host/rtsx_pci_sdmmc.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index 87d78432a1e0..7dfe7c4e0077 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -7,6 +7,7 @@ * Wei WANG */ +#include #include #include #include @@ -947,7 +948,7 @@ static int sd_power_on(struct realtek_pci_sdmmc *host, unsigned char power_mode) /* send at least 74 clocks */ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN); - if (PCI_PID(pcr) == PID_5261) { + if ((PCI_PID(pcr) == PID_5261) || (PCI_PID(pcr) == PID_5264)) { /* * If test mode is set switch to SD Express mandatorily, * this is only for factory testing. @@ -1364,6 +1365,14 @@ static int sdmmc_init_sd_express(struct mmc_host *mmc, struct mmc_ios *ios) struct realtek_pci_sdmmc *host = mmc_priv(mmc); struct rtsx_pcr *pcr = host->pcr; + if (PCI_PID(pcr) == PID_5264) { + pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL2, + PCI_EXP_LNKCTL2_TLS, PCI_EXP_LNKCTL2_TLS_2_5GT); + pci_write_config_byte(pcr->pci, 0x80e, 0x02); + pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL2, + PCI_EXP_LNKCTL2_TLS, PCI_EXP_LNKCTL2_TLS_5_0GT); + } + /* Set relink_time for changing to PCIe card */ relink_time = 0x8FFF; @@ -1379,6 +1388,12 @@ static int sdmmc_init_sd_express(struct mmc_host *mmc, struct mmc_ios *ios) if (pcr->ops->disable_auto_blink) pcr->ops->disable_auto_blink(pcr); + if (PCI_PID(pcr) == PID_5264) { + rtsx_pci_write_register(pcr, RTS5264_AUTOLOAD_CFG2, + RTS5264_CHIP_RST_N_SEL, RTS5264_CHIP_RST_N_SEL); + rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x00); + } + /* For PCIe/NVMe mode can't enter delink issue */ pcr->hw_param.interrupt_en &= ~(SD_INT_EN); rtsx_pci_writel(pcr, RTSX_BIER, pcr->hw_param.interrupt_en);