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-rw-r--r--src/soc/intel/skylake/chip.c45
-rw-r--r--src/soc/intel/skylake/chip.h13
-rw-r--r--src/soc/intel/skylake/include/soc/usb.h167
3 files changed, 195 insertions, 30 deletions
diff --git a/src/soc/intel/skylake/chip.c b/src/soc/intel/skylake/chip.c
index 2613d38474..44f247fb52 100644
--- a/src/soc/intel/skylake/chip.c
+++ b/src/soc/intel/skylake/chip.c
@@ -275,28 +275,33 @@ void soc_silicon_init_params(SILICON_INIT_UPD *params)
memcpy(params->SerialIoDevMode, config->SerialIoDevMode,
sizeof(params->SerialIoDevMode));
- memcpy(params->PortUsb20Enable, config->PortUsb20Enable,
- sizeof(params->PortUsb20Enable));
- memcpy(params->PortUsb30Enable, config->PortUsb30Enable,
- sizeof(params->PortUsb30Enable));
- memcpy(params->Usb2AfePetxiset, config->Usb2AfePetxiset,
- sizeof(params->Usb2AfePetxiset));
- memcpy(params->Usb2AfeTxiset, config->Usb2AfeTxiset,
- sizeof(params->Usb2AfeTxiset));
- memcpy(params->Usb2AfePredeemp, config->Usb2AfePredeemp,
- sizeof(params->Usb2AfePredeemp));
- memcpy(params->Usb2AfePehalfbit, config->Usb2AfePehalfbit,
- sizeof(params->Usb2AfePehalfbit));
+ for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) {
+ params->PortUsb20Enable[i] =
+ config->usb2_ports[i].enable;
+ params->Usb2AfePetxiset[i] =
+ config->usb2_ports[i].pre_emp_bias;
+ params->Usb2AfeTxiset[i] =
+ config->usb2_ports[i].tx_bias;
+ params->Usb2AfePredeemp[i] =
+ config->usb2_ports[i].tx_emp_enable;
+ params->Usb2AfePehalfbit[i] =
+ config->usb2_ports[i].pre_emp_bit;
+ }
- memcpy(params->Usb3HsioTxDeEmphEnable, config->Usb3HsioTxDeEmphEnable,
- sizeof(params->Usb3HsioTxDeEmphEnable));
- memcpy(params->Usb3HsioTxDeEmph, config->Usb3HsioTxDeEmph,
- sizeof(params->Usb3HsioTxDeEmph));
- memcpy(params->Usb3HsioTxDownscaleAmpEnable, config->Usb3HsioTxDownscaleAmpEnable,
- sizeof(params->Usb3HsioTxDownscaleAmpEnable));
- memcpy(params->Usb3HsioTxDownscaleAmp, config->Usb3HsioTxDownscaleAmp,
- sizeof(params->Usb3HsioTxDownscaleAmp));
+ for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) {
+ params->PortUsb30Enable[i] = config->usb3_ports[i].enable;
+ if (config->usb3_ports[i].tx_de_emp) {
+ params->Usb3HsioTxDeEmphEnable[i] = 1;
+ params->Usb3HsioTxDeEmph[i] =
+ config->usb3_ports[i].tx_de_emp;
+ }
+ if (config->usb3_ports[i].tx_downscale_amp) {
+ params->Usb3HsioTxDownscaleAmpEnable[i] = 1;
+ params->Usb3HsioTxDownscaleAmp[i] =
+ config->usb3_ports[i].tx_downscale_amp;
+ }
+ }
params->SataSalpSupport = config->SataSalpSupport;
params->SataPortsEnable[0] = config->SataPortsEnable[0];
diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h
index b54869c051..c093d91c78 100644
--- a/src/soc/intel/skylake/chip.h
+++ b/src/soc/intel/skylake/chip.h
@@ -28,6 +28,7 @@
#include <soc/pci_devs.h>
#include <soc/pmc.h>
#include <soc/serialio.h>
+#include <soc/usb.h>
struct soc_intel_skylake_config {
/*
@@ -162,18 +163,10 @@ struct soc_intel_skylake_config {
u8 PcieRpClkReqNumber[20];
/* USB related */
- u8 PortUsb20Enable[16];
- u8 PortUsb30Enable[10];
+ struct usb2_port_config usb2_ports[16];
+ struct usb3_port_config usb3_ports[10];
u8 XdciEnable;
u8 SsicPortEnable;
- u8 Usb2AfePetxiset[16];
- u8 Usb2AfeTxiset[16];
- u8 Usb2AfePredeemp[16];
- u8 Usb2AfePehalfbit[16];
- u8 Usb3HsioTxDeEmphEnable[10];
- u8 Usb3HsioTxDeEmph[10];
- u8 Usb3HsioTxDownscaleAmpEnable[10];
- u8 Usb3HsioTxDownscaleAmp[10];
/* SMBus */
u8 SmbusEnable;
diff --git a/src/soc/intel/skylake/include/soc/usb.h b/src/soc/intel/skylake/include/soc/usb.h
new file mode 100644
index 0000000000..29b603afec
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/usb.h
@@ -0,0 +1,167 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Google Inc.
+ * Copyright (C) 2015 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+
+#ifndef _SOC_USB_H_
+#define _SOC_USB_H_
+
+#include <stdint.h>
+
+#define USB2_EMP_OFF 0
+#define USB2_DE_EMP_ON 1
+#define USB2_PRE_EMP_ON 2
+
+#define USB2_FULL_BIT_PRE_EMP 0
+#define USB2_HALF_BIT_PRE_EMP 1
+
+#define USB2_BIAS_0MV 0
+#define USB2_BIAS_11MV 1
+#define USB2_BIAS_17MV 2
+#define USB2_BIAS_28MV 3
+#define USB2_BIAS_28MV2 4
+#define USB2_BIAS_39MV 5
+#define USB2_BIAS_45MV 6
+#define USB2_BIAS_56MV 7
+
+struct usb2_port_config {
+ uint8_t enable;
+ uint8_t tx_bias;
+ uint8_t tx_emp_enable;
+ uint8_t pre_emp_bias;
+ uint8_t pre_emp_bit;
+};
+
+#define USB2_PORT_EMPTY { \
+ .enable = 0, \
+ .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, \
+}
+
+/*
+ * Standard USB Port based on length:
+ * - External
+ * - Back Panel
+ * - OTG
+ * - M.2
+ * - Internal device down
+ */
+
+/* 11.5"-12" */
+#define USB2_PORT_LONG { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_39MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* 6"-11.5" */
+#define USB2_PORT_MID { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* 3"-6" */
+#define USB2_PORT_SHORT { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_39MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_39MV, \
+ .pre_emp_bit = USB2_FULL_BIT_PRE_EMP, \
+}
+
+/* Type-C Port, no BC1.2 charge detect module / MUX */
+#define USB2_PORT_TYPE_C { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Port with BC1.2 charge detect module / MUX */
+#define USB2_PORT_BC12_MUX { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Internal Flex Cable, 3"-5" + cable + 2" card */
+#define USB2_PORT_FLEX { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Docking, 3"-9" */
+#define USB2_PORT_DOCKING_LONG { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_0MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_56MV, \
+ .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Docking, 3"-6" */
+#define USB2_PORT_DOCKING_SHORT { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_17MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_45MV, \
+ .pre_emp_bit = USB2_FULL_BIT_PRE_EMP, \
+}
+
+/* 2:1 Detachable, 2"-4" on tablet + 2"-4" on base */
+#define USB2_PORT_DETACHABLE_TABLET { \
+ .enable = 1, \
+ .tx_bias = USB2_BIAS_17MV, \
+ .tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \
+ .pre_emp_bias = USB2_BIAS_45MV, \
+ .pre_emp_bit = USB2_FULL_BIT_PRE_EMP, \
+}
+
+struct usb3_port_config {
+ uint8_t enable;
+ uint8_t tx_de_emp;
+ uint8_t tx_downscale_amp;
+};
+
+#define USB3_PORT_EMPTY { \
+ .enable = 0, \
+ .tx_de_emp = 0x00, \
+ .tx_downscale_amp = 0x00, \
+}
+
+#define USB3_PORT_DEFAULT { \
+ .enable = 1, \
+ .tx_de_emp = 0x29, \
+ .tx_downscale_amp = 0x00, \
+}
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 20:09:55 +0000