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src/soc/intel/cannonlake: Define USB configuration params

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Define USB2, USB3 and Type-C configuration for CannonLake.

Change-Id: I42243950366d672e886158eb1934350f47b4ff1f
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/21339
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Pratik Prajapati
2017-09-01 22:23:29 -07:00
committed by Aaron Durbin
parent efd0eb35af
commit c82e1fbcab
1 changed files with 114 additions and 0 deletions
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114
src/soc/intel/cannonlake/include/soc/usb.h
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@@ -19,6 +19,25 @@
#include <stdint.h> #include <stdint.h>
/* Per Port HS Transmitter Emphasis */
#define USB2_EMP_OFF 0
#define USB2_DE_EMP_ON 1
#define USB2_PRE_EMP_ON 2
#define USB2_DE_EMP_ON_PRE_EMP_ON 3
/* Per Port Half Bit Pre-emphasis */
#define USB2_FULL_BIT_PRE_EMP 0
#define USB2_HALF_BIT_PRE_EMP 1
/* Per Port HS Preemphasis Bias */
#define USB2_BIAS_0MV 0
#define USB2_BIAS_11P25MV 1
#define USB2_BIAS_16P9MV 2
#define USB2_BIAS_28P15MV 3
#define USB2_BIAS_39P35MV 5
#define USB2_BIAS_45MV 6
#define USB2_BIAS_56P3MV 7
struct usb2_port_config { struct usb2_port_config {
uint8_t enable; uint8_t enable;
uint8_t ocpin; uint8_t ocpin;
@@ -28,6 +47,87 @@ struct usb2_port_config {
uint8_t pre_emp_bit; uint8_t pre_emp_bit;
}; };
/* USB Overcurrent pins definition */
enum {
OC0 = 0,
OC1,
OC2,
OC3,
OC4,
OC5,
OC6,
OC7,
OCMAX,
OC_SKIP = 0xff, /* Skip OC programming */
};
/* Standard USB Port based on length:
* - External
* - Back Panel
* - OTG
* - M.2
* - Internal device down */
#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, \
.pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
}
/* Length = 11.5"-12" */
#define USB2_PORT_LONG(pin) { \
.enable = 1, \
.ocpin = (pin), \
.tx_bias = USB2_BIAS_39P35MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56P3MV, \
.pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
}
/* Length = 6"-11.49" */
#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_56P3MV, \
.pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
}
/* Length = 3"-5.99" */
#define USB2_PORT_SHORT(pin) { \
.enable = 1, \
.ocpin = (pin), \
.tx_bias = USB2_BIAS_39P35MV, \
.tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_39P35MV, \
.pre_emp_bit = USB2_FULL_BIT_PRE_EMP, \
}
/* Max TX and Pre-emp settings */
#define USB2_PORT_MAX(pin) { \
.enable = 1, \
.ocpin = (pin), \
.tx_bias = USB2_BIAS_56P3MV, \
.tx_emp_enable = USB2_PRE_EMP_ON, \
.pre_emp_bias = USB2_BIAS_56P3MV, \
.pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
}
/* Type-C Port, no BC1.2 charge detect module / MUX
* Length = 3.0" - 9.00" */
#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_56P3MV, \
.pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
}
struct usb3_port_config { struct usb3_port_config {
uint8_t enable; uint8_t enable;
uint8_t ocpin; uint8_t ocpin;
@@ -35,4 +135,18 @@ struct usb3_port_config {
uint8_t tx_downscale_amp; 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(pin) { \
.enable = 1, \
.ocpin = (pin), \
.tx_de_emp = 0x0, \
.tx_downscale_amp = 0x00, \
}
#endif #endif