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authorDenis Brockus <dbrockus@chromium.org>2020-02-10 12:39:47 -0700
committerCommit Bot <commit-bot@chromium.org>2020-02-11 04:16:33 +0000
commit9473c61ff528ce45bda479027f5011297faaa5da (patch)
tree1809ab3573fbfa292e4b85799b8c447cc0d55e53
parent02e0cabe5d9462d36a1df50d392d8a7d3b543ef7 (diff)
downloadchrome-ec-9473c61ff528ce45bda479027f5011297faaa5da.tar.gz
trembyle: initialize PS8811 after AP rail is high
BUG=b:138600008 BRANCH=none TEST=verify USB-A1 runs USB3.1g2 speeds Change-Id: I688f02bfbabd53e69a1d7d7a08526db6ddad77b0 Signed-off-by: Denis Brockus <dbrockus@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2047629 Commit-Queue: Edward Hill <ecgh@chromium.org> Reviewed-by: Edward Hill <ecgh@chromium.org>
-rw-r--r--baseboard/zork/baseboard.c14
-rw-r--r--baseboard/zork/baseboard.h3
-rw-r--r--board/trembyle/gpio.inc4
3 files changed, 16 insertions, 5 deletions
diff --git a/baseboard/zork/baseboard.c b/baseboard/zork/baseboard.c
index b7bbb7b676..fb4d00a1f8 100644
--- a/baseboard/zork/baseboard.c
+++ b/baseboard/zork/baseboard.c
@@ -482,6 +482,10 @@ static void ps8811_tuning_init(void)
{
int rv;
+ /* Turn on the retimers */
+ ioex_set_level(IOEX_USB_A0_RETIMER_EN, 1);
+ ioex_set_level(IOEX_USB_A1_RETIMER_EN, 1);
+
/* USB-A0 can run with default settings */
/* USB-A1 needs to increase gain to get over MB/DB connector */
@@ -495,7 +499,15 @@ static void ps8811_tuning_init(void)
return;
}
}
-DECLARE_HOOK(HOOK_INIT, ps8811_tuning_init, HOOK_PRIO_INIT_I2C + 1);
+DECLARE_HOOK(HOOK_CHIPSET_STARTUP, ps8811_tuning_init, HOOK_PRIO_DEFAULT);
+
+static void ps8811_retimer_off(void)
+{
+ /* Turn on the retimers */
+ ioex_set_level(IOEX_USB_A0_RETIMER_EN, 0);
+ ioex_set_level(IOEX_USB_A1_RETIMER_EN, 0);
+}
+DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, ps8811_retimer_off, HOOK_PRIO_DEFAULT);
/*****************************************************************************
* Custom Zork USB-C1 Retimer/MUX driver
diff --git a/baseboard/zork/baseboard.h b/baseboard/zork/baseboard.h
index 693ee1507d..ae112e744f 100644
--- a/baseboard/zork/baseboard.h
+++ b/baseboard/zork/baseboard.h
@@ -110,9 +110,8 @@
*/
#define CONFIG_USB_PID 0x5040
-/* TODO(b/142284905): Enable new PD stack */
#if 0
-/* Enable the new USB-C PD stack */
+/* TODO(b/142284905): Enable the TCPMv2 PD stack */
#define CONFIG_USB_PE_SM
#define CONFIG_USB_PRL_SM
#define CONFIG_USB_SM_FRAMEWORK
diff --git a/board/trembyle/gpio.inc b/board/trembyle/gpio.inc
index 70c861b83e..ad8ae7c738 100644
--- a/board/trembyle/gpio.inc
+++ b/board/trembyle/gpio.inc
@@ -54,7 +54,7 @@ GPIO(DP2_HPD, PIN(C, 1), GPIO_OUT_LOW) /* C1 DP Hotplug Detect */
GPIO(LED_FULL_L, PIN(6, 0), GPIO_OUT_HIGH)
GPIO(LED_CHRG_L, PIN(C, 0), GPIO_OUT_HIGH)
-IOEX(USB_A0_RETIMER_EN, EXPIN(USBC_PORT_C0, 0, 0), GPIO_OUT_HIGH) /* A0 Retimer Enable */
+IOEX(USB_A0_RETIMER_EN, EXPIN(USBC_PORT_C0, 0, 0), GPIO_OUT_LOW) /* A0 Retimer Enable */
IOEX(USB_A0_RETIMER_RST, EXPIN(USBC_PORT_C0, 0, 1), GPIO_OUT_LOW) /* A0 Retimer Reset */
IOEX(USB_C0_FAULT_ODL, EXPIN(USBC_PORT_C0, 0, 3), GPIO_ODR_HIGH) /* C0 Fault to SOC */
IOEX(USB_C0_TCPC_FASTSW_CTL_EN, EXPIN(USBC_PORT_C0, 0, 4), GPIO_OUT_LOW) /* C0 FastSwitch Control */
@@ -66,7 +66,7 @@ IOEX(USB_C0_DATA_EN, EXPIN(USBC_PORT_C0, 1, 4), GPIO_OUT_LOW) /* C0 Data Enable
IOEX(EN_USB_A0_5V, EXPIN(USBC_PORT_C0, 1, 5), GPIO_OUT_LOW) /* A0 5V Source Enable */
IOEX(USB_A0_CHARGE_EN_L, EXPIN(USBC_PORT_C0, 1, 6), GPIO_OUT_HIGH) /* A0 5V High Current Enable */
-IOEX(USB_A1_RETIMER_EN, EXPIN(USBC_PORT_C1, 0, 0), GPIO_OUT_HIGH) /* A1 Retimer Enable */
+IOEX(USB_A1_RETIMER_EN, EXPIN(USBC_PORT_C1, 0, 0), GPIO_OUT_LOW) /* A1 Retimer Enable */
IOEX(USB_A1_RETIMER_RST_DB, EXPIN(USBC_PORT_C1, 0, 1), GPIO_OUT_LOW) /* A1 Retimer Reset */
IOEX(USB_C1_HPD_IN_DB, EXPIN(USBC_PORT_C1, 0, 2), GPIO_OUT_LOW) /* C1 HPD */
IOEX(MST_HPD_OUT, EXPIN(USBC_PORT_C1, 0, 3), GPIO_INPUT) /* HPD from MST Hub */