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authorSubrata Banik <subrata.banik@intel.com>2016-11-22 20:21:49 +0530
committerMartin Roth <martinroth@google.com>2016-11-28 19:00:36 +0100
commit2c3054c14eed154abf10a504c05919aaf4db496e (patch)
tree25e60699534162b0cbcb6c3b6ddb845bb997e0bb /src/soc/intel/skylake/include
parent2c6a8060da994bb22eb1619d55ee74be096682b5 (diff)
downloadcoreboot-2c3054c14eed154abf10a504c05919aaf4db496e.tar.xz
soc/intel/skylake: Add USB Port Over Current (OC) Pin programming
Program USB Overcurrent pins as per board schematics definition. BUG=none BRANCH=none TEST=Build and boot kunimitsu from USB device. Change-Id: I6aeb65953c753e09ad639469de7d866a54f42f11 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/17570 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/soc/intel/skylake/include')
-rw-r--r--src/soc/intel/skylake/include/soc/usb.h46
1 files changed, 35 insertions, 11 deletions
diff --git a/src/soc/intel/skylake/include/soc/usb.h b/src/soc/intel/skylake/include/soc/usb.h
index a18e79ce66..77a94a8765 100644
--- a/src/soc/intel/skylake/include/soc/usb.h
+++ b/src/soc/intel/skylake/include/soc/usb.h
@@ -38,14 +38,25 @@
struct usb2_port_config {
uint8_t enable;
+ uint8_t ocpin;
uint8_t tx_bias;
uint8_t tx_emp_enable;
uint8_t pre_emp_bias;
uint8_t pre_emp_bit;
};
+/* USB Overcurrent pins definition */
+enum {
+ OC0,
+ OC1,
+ OC2,
+ OC3,
+ OC_SKIP = 8, /* Skip OC programming */
+};
+
#define USB2_PORT_EMPTY { \
.enable = 0, \
+ .ocpin = OC_SKIP, \
.tx_bias = USB2_BIAS_0MV, \
.tx_emp_enable = USB2_EMP_OFF, \
.pre_emp_bias = USB2_BIAS_0MV, \
@@ -62,8 +73,9 @@ struct usb2_port_config {
*/
/* Max TX and Pre-emp settings */
-#define USB2_PORT_MAX { \
+#define USB2_PORT_MAX(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_56MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
@@ -71,8 +83,9 @@ struct usb2_port_config {
}
/* 11.5"-12" */
-#define USB2_PORT_LONG { \
+#define USB2_PORT_LONG(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_39MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
@@ -80,8 +93,9 @@ struct usb2_port_config {
}
/* 6"-11.5" */
-#define USB2_PORT_MID { \
+#define USB2_PORT_MID(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_0MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
@@ -89,8 +103,9 @@ struct usb2_port_config {
}
/* 3"-6" */
-#define USB2_PORT_SHORT { \
+#define USB2_PORT_SHORT(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_39MV, \
.tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_39MV, \
@@ -98,8 +113,9 @@ struct usb2_port_config {
}
/* Type-C Port, no BC1.2 charge detect module / MUX */
-#define USB2_PORT_TYPE_C { \
+#define USB2_PORT_TYPE_C(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_0MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
@@ -107,8 +123,9 @@ struct usb2_port_config {
}
/* Port with BC1.2 charge detect module / MUX */
-#define USB2_PORT_BC12_MUX { \
+#define USB2_PORT_BC12_MUX(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_0MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
@@ -116,8 +133,9 @@ struct usb2_port_config {
}
/* Internal Flex Cable, 3"-5" + cable + 2" card */
-#define USB2_PORT_FLEX { \
+#define USB2_PORT_FLEX(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_0MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
@@ -125,8 +143,9 @@ struct usb2_port_config {
}
/* Docking, 3"-9" */
-#define USB2_PORT_DOCKING_LONG { \
+#define USB2_PORT_DOCKING_LONG(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_0MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
@@ -134,8 +153,9 @@ struct usb2_port_config {
}
/* Docking, 3"-6" */
-#define USB2_PORT_DOCKING_SHORT { \
+#define USB2_PORT_DOCKING_SHORT(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_17MV, \
.tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_45MV, \
@@ -143,8 +163,9 @@ struct usb2_port_config {
}
/* 2:1 Detachable, 2"-4" on tablet + 2"-4" on base */
-#define USB2_PORT_DETACHABLE_TABLET { \
+#define USB2_PORT_DETACHABLE_TABLET(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_bias = USB2_BIAS_56MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56MV, \
@@ -153,18 +174,21 @@ struct usb2_port_config {
struct usb3_port_config {
uint8_t enable;
+ uint8_t ocpin;
uint8_t tx_de_emp;
uint8_t tx_downscale_amp;
};
#define USB3_PORT_EMPTY { \
.enable = 0, \
+ .ocpin = OC_SKIP, \
.tx_de_emp = 0x00, \
.tx_downscale_amp = 0x00, \
}
-#define USB3_PORT_DEFAULT { \
+#define USB3_PORT_DEFAULT(pin) { \
.enable = 1, \
+ .ocpin = pin, \
.tx_de_emp = 0x29, \
.tx_downscale_amp = 0x00, \
}