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intel/skylake: Add USB2 port config for max settings 

Add a new USB2_PORT_MAX with the max possible settings
(56mV) for the TX and Pre-emphasis bias values.  Also fix
the settings for the detachable tablet config to match the
skylake HSIO tuning guide as it was incorrect before.

BUG=chrome-os-partner:45367
BRANCH=none
TEST=build and boot on glados

Change-Id: Id9ccc683fe92c962095347e0d1a0afeb082c821f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: e5d56831e75f98a3c75ed333e4b79b1a37f14792
Original-Change-Id: Ia2e3e93236f1463201f83a1cae28349de2836110
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/308729
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/12203
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Duncan Laurie 2015-10-26 15:27:29 -07:00 committed by Patrick Georgi
parent ba5487acf4
commit 823259332c
1 changed files with 13 additions and 4 deletions
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17
src/soc/intel/skylake/include/soc/usb.h
View File

@ -65,6 +65,15 @@ struct usb2_port_config {
* - Internal device down * - Internal device down
*/ */
/* Max TX and Pre-emp settings */
#define USB2_PORT_MAX { \
.enable = 1, \
.tx_bias = USB2_BIAS_56MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
.pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
}
/* 11.5"-12" */ /* 11.5"-12" */
#define USB2_PORT_LONG { \ #define USB2_PORT_LONG { \
.enable = 1, \ .enable = 1, \
@ -140,10 +149,10 @@ struct usb2_port_config {
/* 2:1 Detachable, 2"-4" on tablet + 2"-4" on base */ /* 2:1 Detachable, 2"-4" on tablet + 2"-4" on base */
#define USB2_PORT_DETACHABLE_TABLET { \ #define USB2_PORT_DETACHABLE_TABLET { \
.enable = 1, \ .enable = 1, \
.tx_bias = USB2_BIAS_17MV, \ .tx_bias = USB2_BIAS_56MV, \
.tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \ .tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_45MV, \ .pre_emp_bias = USB2_BIAS_56MV, \
.pre_emp_bit = USB2_FULL_BIT_PRE_EMP, \ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
} }
struct usb3_port_config { struct usb3_port_config {