From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ran Wang Date: Mon, 13 May 2019 16:42:05 +0800 Subject: [U-Boot] [PATCH 2/2] armv8: ls1028a: enable workaround for errarum A-009007 In-Reply-To: <20190513084205.17317-1-ran.wang_1@nxp.com> References: <20190513084205.17317-1-ran.wang_1@nxp.com> Message-ID: <20190513084205.17317-2-ran.wang_1@nxp.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Yinbo Zhu This patch is to make usb erratum A-009007 applies to ls1028a Rx Compliance tests may fail intermittently at high jitter frequencies using default register values. Program register USB_PHY_RX_OVRD_IN_HI in certain sequence to make the Rx compliance test pass. Signed-off-by: Yinbo Zhu Signed-off-by: Ran Wang --- Depends: http://patchwork.ozlabs.org/patch/1083257/ http://patchwork.ozlabs.org/patch/1083258/ http://patchwork.ozlabs.org/patch/1083259/ arch/arm/cpu/armv8/fsl-layerscape/soc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index f2392f0ebf..af2d86bb9d 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -143,7 +143,8 @@ static void erratum_a008997(void) out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \ out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4) -#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) +#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \ + defined(CONFIG_ARCH_LS1028A) #define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \ out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \ @@ -167,7 +168,8 @@ static void erratum_a009007(void) usb_phy = (void __iomem *)SCFG_USB_PHY3; PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy); #endif -#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) +#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \ + defined(CONFIG_ARCH_LS1028A) void __iomem *dcsr = (void __iomem *)DCSR_BASE; PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1); -- 2.17.1