From: Suresh Gupta suresh.gupta@freescale.com
USB3 LFPS Peak-Peak Differential Output Voltage Adjustment This patch is adding the erratum for LS1021.
Signed-off-by: Sriram Dash sriram.dash@nxp.com Signed-off-by: Rajesh Bhagat rajesh.bhagat@nxp.com Signed-off-by: yinbo.zhu yinbo.zhu@nxp.com --- arch/arm/cpu/armv7/ls102xa/Kconfig | 1 + arch/arm/cpu/armv7/ls102xa/soc.c | 16 ++++++++++++++++ arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 9 +++++++++ 3 files changed, 26 insertions(+)
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig index 32a48d5..92afe09 100644 --- a/arch/arm/cpu/armv7/ls102xa/Kconfig +++ b/arch/arm/cpu/armv7/ls102xa/Kconfig @@ -17,6 +17,7 @@ config ARCH_LS1021A select SYS_FSL_ERRATUM_A009008 select SYS_FSL_ERRATUM_A009942 select SYS_FSL_ERRATUM_A009798 + select SYS_FSL_ERRATUM_A008997
menu "LS102xA architecture" depends on ARCH_LS1021A diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c index 2e64708..19eb361 100644 --- a/arch/arm/cpu/armv7/ls102xa/soc.c +++ b/arch/arm/cpu/armv7/ls102xa/soc.c @@ -79,6 +79,21 @@ static void erratum_a009798(void) #endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */ }
+static void erratum_a008997(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A008997 + u32 __iomem *usb_phy = (u32 __iomem *)USB_PHY_BASE; + writew(USB_PHY_TX_OVRD_DRV_LO_VAL, + (u8 *)(usb_phy) + USB_PHY_TX_OVRD_DRV_LO); + writew(USB_PHY_MPLL_OVRD_IN_HI_VAL, + (u8 *)(usb_phy) + USB_PHY_MPLL_OVRD_IN_HI); + writew(USB_PHY_LEVEL_OVRD_IN_VAL, + (u8 *)(usb_phy) + USB_PHY_LEVEL_OVRD_IN); + writew(USB_PHY_TX_OVRD_IN_HI_VAL, + (u8 *)(usb_phy) + USB_PHY_TX_OVRD_IN_HI); +#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */ +} + void s_init(void) { } @@ -168,6 +183,7 @@ int arch_soc_init(void) /* Erratum */ erratum_a009008(); erratum_a009798(); + erratum_a008997(); return 0; }
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index bfc92ee..5f05e0d 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -176,6 +176,15 @@ struct ccsr_gur { #define SCFG_USB3PRM1CR 0x070 #define USB_TXVREFTUNE 0x9 #define USB_SQRXTUNE 0xFC7FFFFF +#define USB_PHY_BASE 0x08510000 +#define USB_PHY_TX_OVRD_DRV_LO 0x2004 +#define USB_PHY_MPLL_OVRD_IN_HI 0x0024 +#define USB_PHY_LEVEL_OVRD_IN 0x002a +#define USB_PHY_TX_OVRD_IN_HI 0x2002 +#define USB_PHY_TX_OVRD_DRV_LO_VAL 0x784C +#define USB_PHY_MPLL_OVRD_IN_HI_VAL 0x0080 +#define USB_PHY_LEVEL_OVRD_IN_VAL 0xA9A5 +#define USB_PHY_TX_OVRD_IN_HI_VAL 0x0003
/* Supplemental Configuration Unit */