diff options
| author | Ran Wang <[email protected]> | 2017-09-04 18:46:54 +0800 |
|---|---|---|
| committer | York Sun <[email protected]> | 2017-09-11 08:01:06 -0700 |
| commit | e10d114279f01899c7eb47f5977dbceca6b6efaf (patch) | |
| tree | 79f3a9efd87673c07d726424b5a1f9cc89c9f957 /arch/arm/include | |
| parent | c1853f6f7348d86faead6ffe30c25db9d7cef144 (diff) | |
armv7: Add workaround for USB erratum A-008997
Low Frequency Periodic Singaling (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 <[email protected]>
Signed-off-by: Rajesh Bhagat <[email protected]>
Signed-off-by: Suresh Gupta <[email protected]>
Signed-off-by: Ran Wang <[email protected]>
[YS: Reordered Kconfig options]
Reviewed-by: York Sun <[email protected]>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index bc5125d8331..25e65cbd26f 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -178,6 +178,9 @@ struct ccsr_gur { #define SCFG_USB3PRM1CR 0x070 #define SCFG_USB_TXVREFTUNE 0x9 #define SCFG_USB_SQRXTUNE_MASK 0x7 +#define SCFG_USB3PRM2CR 0x074 +#define SCFG_USB_PCSTXSWINGFULL_MASK 0x0000FE00 +#define SCFG_USB_PCSTXSWINGFULL_VAL 0x00008E00 /* Supplemental Configuration Unit */ struct ccsr_scfg { |