diff options
| author | Ran Wang <ran.wang_1@nxp.com> | 2017-09-04 18:46:50 +0800 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-09-11 08:01:06 -0700 |
| commit | 9d1cd910f7fcea3c918153b7feb32323af0197d9 (patch) | |
| tree | 781451db8bb6754cedcdf07493e32ebab7d7d5c7 /arch/arm/include | |
| parent | 2a8a35395868dd1b610ff064fcdb4906321594fc (diff) | |
armv8: Add workaround for USB erratum A-008997
Low Frequency Periodic Signaling(LFPS) Peak-to-Peak Differential
Output Voltage Test Compliance fails using default transmitter
settings
Change config of transmitter signal swings by setting register
PCSTXSWINGFULL to 0x47 to pass compliance tests.
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: Suresh Gupta <suresh.gupta@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
[YS: Reordered Kconfig options]
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h index 17a4c086f0..ebb99a8e2c 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h @@ -339,10 +339,14 @@ struct ccsr_gur { #define SCFG_BASE 0x01570000 #define SCFG_USB3PRM1CR_USB1 0x070 +#define SCFG_USB3PRM2CR_USB1 0x074 #define SCFG_USB3PRM1CR_USB2 0x07C +#define SCFG_USB3PRM2CR_USB2 0x080 #define SCFG_USB3PRM1CR_USB3 0x088 +#define SCFG_USB3PRM2CR_USB3 0x08c #define SCFG_USB_TXVREFTUNE 0x9 #define SCFG_USB_SQRXTUNE_MASK 0x7 +#define SCFG_USB_PCSTXSWINGFULL 0x47 #define SCFG_SNPCNFGCR_SECRDSNP 0x80000000 #define SCFG_SNPCNFGCR_SECWRSNP 0x40000000 |