diff options
| author | Suresh Gupta <suresh.gupta@freescale.com> | 2016-10-13 15:23:14 (GMT) |
|---|---|---|
| committer | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2017-07-19 05:46:35 (GMT) |
| commit | 036773a9647e87071a19e5270eb9c4671dedce13 (patch) | |
| tree | d5a3feb291ba320c7fa9776dd63395f9b2d41715 /arch/arm/cpu | |
| parent | 6d16867941f6c3c3434fe994dea5b29f1d8bd2a3 (diff) | |
| download | u-boot-036773a9647e87071a19e5270eb9c4671dedce13.tar.xz | |
armv7: Add workaround for USB erratum A-009007
USB3PHY Observing Intermittent Failure in Rx
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>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/soc.c | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig index 92afe09..926903b 100644 --- a/arch/arm/cpu/armv7/ls102xa/Kconfig +++ b/arch/arm/cpu/armv7/ls102xa/Kconfig @@ -18,6 +18,7 @@ config ARCH_LS1021A select SYS_FSL_ERRATUM_A009942 select SYS_FSL_ERRATUM_A009798 select SYS_FSL_ERRATUM_A008997 + select SYS_FSL_ERRATUM_A009007 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 a78270c..b14be47 100644 --- a/arch/arm/cpu/armv7/ls102xa/soc.c +++ b/arch/arm/cpu/armv7/ls102xa/soc.c @@ -94,6 +94,17 @@ static void erratum_a008997(void) #endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */ } +static void erratum_a009007(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A009007 + u32 __iomem *usb_phy = (u32 __iomem *)USB_PHY_BASE; + writew(USB_PHY_RX_EQ_VAL_1, (u8 *)(usb_phy) + USB_PHY_RX_OVRD_IN_HI); + writew(USB_PHY_RX_EQ_VAL_2, (u8 *)(usb_phy) + USB_PHY_RX_OVRD_IN_HI); + writew(USB_PHY_RX_EQ_VAL_3, (u8 *)(usb_phy) + USB_PHY_RX_OVRD_IN_HI); + writew(USB_PHY_RX_EQ_VAL_4, (u8 *)(usb_phy) + USB_PHY_RX_OVRD_IN_HI); +#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */ +} + void s_init(void) { } @@ -184,6 +195,7 @@ int arch_soc_init(void) erratum_a009008(); erratum_a009798(); erratum_a008997(); + erratum_a009007(); return 0; } |