From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ran Wang Date: Mon, 13 May 2019 16:42:04 +0800 Subject: [U-Boot] [PATCH 1/2] armv8: Workaround for USB erratum of LS1028A Message-ID: <20190513084205.17317-1-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 This is suplement for patch which would handle A-008997 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/Kconfig | 1 + arch/arm/cpu/armv8/fsl-layerscape/soc.c | 4 ++++ arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h | 2 ++ 3 files changed, 7 insertions(+) diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index 8ecd095c76..fc4e866f1e 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -48,6 +48,7 @@ config ARCH_LS1028A select SYS_I2C_MXC_I2C6 select SYS_I2C_MXC_I2C7 select SYS_I2C_MXC_I2C8 + select SYS_FSL_ERRATUM_A008997 select SYS_FSL_ERRATUM_A009007 select SYS_FSL_ERRATUM_A008514 if !TFABOOT select SYS_FSL_ERRATUM_A009663 if !TFABOOT diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 06f3edb302..f2392f0ebf 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -126,6 +126,10 @@ static void erratum_a008997(void) set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB2); set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB3); #endif +#elif defined(CONFIG_ARCH_LS1028A) + clrsetbits_le32(DCSR_BASE + DCSR_USB_IOCR1, + 0x7F << 11, + DCSR_USB_PCSTXSWINGFULL << 11); #endif #endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */ } diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h index dbf3215cb6..dd73de4a9a 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h @@ -214,6 +214,8 @@ #define USB_PHY_RX_EQ_VAL_2 0x0080 #define USB_PHY_RX_EQ_VAL_3 0x0380 #define USB_PHY_RX_EQ_VAL_4 0x0b80 +#define DCSR_USB_IOCR1 0x108004 +#define DCSR_USB_PCSTXSWINGFULL 0x71 #define TP_ITYP_AV 0x00000001 /* Initiator available */ #define TP_ITYP_TYPE(x) (((x) & 0x6) >> 1) /* Initiator Type */ -- 2.17.1