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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR0301MB0897 Cc: "yinbo.zhu" Subject: [U-Boot] [PATCH 2/8] armv7: Add workaround for USB erratum A-009798 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 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" From: Suresh Gupta USB High Speed Squelch Threshold Adjustment This patch is adding the erratum for LS1021. Signed-off-by: Sriram Dash Signed-off-by: Rajesh Bhagat Signed-off-by: yinbo.zhu --- arch/arm/cpu/armv7/ls102xa/soc.c | 10 ++++++++++ arch/arm/include/asm/arch-ls102xa/config.h | 1 + arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 1 + 3 files changed, 12 insertions(+) diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c index c54daee..2e64708 100644 --- a/arch/arm/cpu/armv7/ls102xa/soc.c +++ b/arch/arm/cpu/armv7/ls102xa/soc.c @@ -70,6 +70,15 @@ static void erratum_a009008(void) #endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */ } +static void erratum_a009798(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A009798 + u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE; + u32 val = in_be32(scfg + SCFG_USB3PRM1CR / 4); + out_be32(scfg + SCFG_USB3PRM1CR / 4, val & USB_SQRXTUNE); +#endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */ +} + void s_init(void) { } @@ -158,6 +167,7 @@ int arch_soc_init(void) /* Erratum */ erratum_a009008(); + erratum_a009798(); return 0; } diff --git a/arch/arm/include/asm/arch-ls102xa/config.h b/arch/arm/include/asm/arch-ls102xa/config.h index 5b89f16..14d5de1 100644 --- a/arch/arm/include/asm/arch-ls102xa/config.h +++ b/arch/arm/include/asm/arch-ls102xa/config.h @@ -113,6 +113,7 @@ #define CONFIG_SYS_FSL_ERRATUM_A008378 #define CONFIG_SYS_FSL_ERRATUM_A009663 #define CONFIG_SYS_FSL_ERRATUM_A009008 +#define CONFIG_SYS_FSL_ERRATUM_A009798 #define CONFIG_SYS_FSL_ERRATUM_A009942 #define CONFIG_SYS_FSL_MAX_NUM_OF_SEC 1 #else diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index f474cfd..bfc92ee 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -175,6 +175,7 @@ struct ccsr_gur { #define SCFG_BASE 0x01570000 #define SCFG_USB3PRM1CR 0x070 #define USB_TXVREFTUNE 0x9 +#define USB_SQRXTUNE 0xFC7FFFFF /* Supplemental Configuration Unit */