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Wed, 17 Apr 2024 20:36:56 +0900 (KST) Received: from jh80chung01 (unknown [10.113.111.84]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20240417113656epsmtip16fa4ba9ef4a11743fb2974b0037cb53f~HDjfRyPoo2529025290epsmtip1B; Wed, 17 Apr 2024 11:36:56 +0000 (GMT) From: "Jaehoon Chung" To: "'Judith Mendez'" , "'Peng Fan'" , "'Tom Rini'" Cc: "'Nitin Yadav'" , "'Simon Glass'" , In-Reply-To: <20240415212747.2678974-5-jm@ti.com> Subject: RE: [PATCH 4/5] mmc: am654_sdhci: Set ENDLL=1 for DDR52 mode Date: Wed, 17 Apr 2024 20:36:55 +0900 Message-ID: <01fe01da90bb$8d19e6e0$a74db4a0$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQG5/NRqE0+DtqCkK0jpqvLeJwVynAHQrFFSAhxp2ayxjhScAA== Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCJsWRmVeSWpSXmKPExsWy7bCmvm7kFvk0g8mfeC0+fci0+Nx0hNni x6ovrBbftmxjtJg6aTO7xdu9newObB6zGy6yeLw6sIrd4+ydHYweG9/tYPI4fmM7UwBrVLZN RmpiSmqRQmpecn5KZl66rZJ3cLxzvKmZgaGuoaWFuZJCXmJuqq2Si0+ArltmDtAFSgpliTml QKGAxOJiJX07m6L80pJUhYz84hJbpdSClJwC0wK94sTc4tK8dL281BIrQwMDI1OgwoTsjJlv bjIXbOSt2H9+GWsD43+uLkZODgkBE4nnm2YzdzFycQgJ7GCUeLZ2FxuE84lRYsPaVSwgVUIC 3xglbr6Wg+k48fEYO0TRXkaJ7r5DjBDOS0aJBf0nmECq2AT0JP4vWsgMYosIpEu0b3sFZjML JEm8urAXrIZTwFCiYd1TNhBbWMBV4sLlSWBxFgFViQOf34Nt5hWwlHi67yGULShxcuYTFog5 8hLb385hhrhIQeLn02WsELucJF7M3MMGUSMiMbuzDew3CYFeDon23YuYIBpcJM7sPMsGYQtL vDq+hR3ClpL4/G4vG0RDM6PE0iUHWSGcHkaJfw3XoTqMJfYvnQw0iQNohabE+l36ENv4JN59 7WEFCUsI8Ep0tAlBVKtIXHr9kglm/t0n/1khbA+JS4dOM01gVJyF5LdZSH6bheSHWQjLFjCy rGIUSy0ozk1PLTYsMIJHd3J+7iZGcPLUMtvBOOntB71DjEwcjIcYJTiYlUR4W4Rl04R4UxIr q1KL8uOLSnNSiw8xmgJDeyKzlGhyPjB955XEG5pYGpiYGRmbWBiaGSqJ8565UpYqJJCeWJKa nZpakFoE08fEwSnVwMTcYhh0I6rLk/1gvF/El3OxzJvvZ3Ms4Vgd96ozuHGx/HsxlqQlD50i XdW3f+Xnl47637NA41XPkft/+Iz8L5p/ux7JtXpnJX9M96z3rh2Ha3kKpoflRt4sSdpxS9Jq 5vtSh7g5n97sNq3U6g7YtMg/WXPj4peCe/rPfPbYfsVvPaPYga6sJPXgFWH5+ycfcmTVPn9l ygmx9WHLj5psDPv/cmKHQp3PlcUsxgwPGhIL3jbliH1Xefv5j01BiWrs+75JPx/f6f011ZWp Qk/B1Sl7xlWXiVP2qy+6vWrBwqVZLVGpNuFW3iuO+/J895r/3Jb/C+P5jZ+mzD1xSGxDxq6N nhN3XpY06cxeE/mAt1+JpTgj0VCLuag4EQC7GSnZJwQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrLLMWRmVeSWpSXmKPExsWy7bCSnG7EFvk0g96lAhafPmRafG46wmzx Y9UXVotvW7YxWkydtJnd4u3eTnYHNo/ZDRdZPF4dWMXucfbODkaPje92MHkcv7GdKYA1issm JTUnsyy1SN8ugStj5pubzAUbeSv2n1/G2sD4n6uLkZNDQsBE4sTHY+xdjFwcQgK7GSV+vT/L BpGQkvj8dCqQzQFkC0scPlwMUfOcUeJl0052kBo2AT2J/4sWMoPUiAhkSnTOiwUJMwukSHz9 M5UVon45o8SaBf+YQBKcAoYSDeuegs0XFnCVuHB5ElicRUBV4sDn9ywgNq+ApcTTfQ+hbEGJ kzOfsEAM1ZZ4evMplC0vsf3tHGaIOxUkfj5dxgpiiwg4SbyYuYcNokZEYnZnG/MERuFZSEbN QjJqFpJRs5C0LGBkWcUomVpQnJuem2xYYJiXWq5XnJhbXJqXrpecn7uJERxDWho7GO/N/6d3 iJGJg/EQowQHs5IIb4uwbJoQb0piZVVqUX58UWlOavEhRmkOFiVxXsMZs1OEBNITS1KzU1ML UotgskwcnFINTHWlt+yXGXFl/t/cYDvp4LUbzkxmBkLeRflzzvFkeD32/eM847XVoWqG0+Z+ awSCxZkPbWCRlG/NPPF9i+YMwbCJ+9g2fWFhe902c4b6iarrp1xMvaP9Xm/9mbP0qcn8wgkM s3NFfnf07vz6quX4o6lNxUIzP/LM+rlbnnXyxcMP2qrf/4vqXNNS2qa/X+nqJ375kscWlxS3 FakvPdGr/FpMSI13m8rJOcYfpaNzrJwWZOxk/nYvUEsjhv3/QYm6vV6By6Ywm2feW2QkzLdu ctk6geSlQm/VOS89CF0VpayRf/yJ24VF1e8TJNVPGp5K+DjTfnmz4fzLnjtapF5XPpURWFVq 48H20T+6PSthphJLcUaioRZzUXEiAFV924IQAwAA X-CMS-MailID: 20240417113656epcas1p3baca249c31247bbedf276860533ce4d5 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240415212758epcas1p3febcc8e7dc5522365087bf80ba22b573 References: <20240415212747.2678974-1-jm@ti.com> <20240415212747.2678974-5-jm@ti.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean > -----Original Message----- > From: Judith Mendez > Sent: Tuesday, April 16, 2024 6:28 AM > To: Peng Fan ; Jaehoon Chung ; Tom Rini > Cc: Nitin Yadav ; Simon Glass ; u-boot@lists.denx.de > Subject: [PATCH 4/5] mmc: am654_sdhci: Set ENDLL=1 for DDR52 mode > > According to the device datasheet [0], ENDLL=1 for > DDR52 mode, so call am654_sdhci_setup_dll() and write > itapdly after since we do not carry out tuning. > > [0] https://www.ti.com/lit/ds/symlink/am62p.pdf > Fixes: c964447ea3d6 ("mmc: am654_sdhci: Add support for input tap delay") > Signed-off-by: Judith Mendez Reviewed-by: Jaehoon Chung Best Regards, Jaehoon Chung > --- > drivers/mmc/am654_sdhci.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/mmc/am654_sdhci.c b/drivers/mmc/am654_sdhci.c > index 38f1ad28ec4..dee56dfdbaa 100644 > --- a/drivers/mmc/am654_sdhci.c > +++ b/drivers/mmc/am654_sdhci.c > @@ -287,12 +287,14 @@ static int am654_sdhci_set_ios_post(struct sdhci_host *host) > > regmap_update_bits(plat->base, PHY_CTRL4, mask, val); > > - if (mode > UHS_SDR25 && speed >= CLOCK_TOO_SLOW_HZ) { > + if ((mode > UHS_SDR25 || mode == MMC_DDR_52) && speed >= CLOCK_TOO_SLOW_HZ) { > ret = am654_sdhci_setup_dll(plat, speed); > if (ret) > return ret; > > plat->dll_enable = true; > + am654_sdhci_write_itapdly(plat, plat->itap_del_sel[mode], > + plat->itap_del_ena[mode]); > } else { > am654_sdhci_setup_delay_chain(plat, mode); > plat->dll_enable = false; > -- > 2.43.2