diff options
| author | Rob Barnes <robbarnes@google.com> | 2021-01-05 14:15:48 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-01-08 22:26:33 +0000 |
| commit | 3dce77c9f02c0df967cdc49d5766d6449cf9f5b5 (patch) | |
| tree | 465aeb8d5855612f5027b18b8effc407c9012eee | |
| parent | 7782e4b048662f4a5fdc89e15676a13e3c674e41 (diff) | |
| download | chrome-ec-3dce77c9f02c0df967cdc49d5766d6449cf9f5b5.tar.gz | |
guybrush: Implement tcpc_alert_event and tcpc_get_alert_status
Implement tcp_alert_event and tcpc_get_alert_status.
Add pd_task and pd_interrupt_handler_task tasks.
BUG=None
BRANCH=None
TEST=Build
Change-Id: I99b6802eb4ebe59ca3ca25bb0c7f9e8af8be3bd2
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2611822
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
| -rw-r--r-- | baseboard/guybrush/base_ec.tasklist | 6 | ||||
| -rw-r--r-- | baseboard/guybrush/baseboard.c | 60 |
2 files changed, 64 insertions, 2 deletions
diff --git a/baseboard/guybrush/base_ec.tasklist b/baseboard/guybrush/base_ec.tasklist index e9214fda1c..cb567355ef 100644 --- a/baseboard/guybrush/base_ec.tasklist +++ b/baseboard/guybrush/base_ec.tasklist @@ -16,4 +16,8 @@ TASK_NOTEST(CHIPSET, chipset_task, NULL, VENTI_TASK_STACK_SIZE) \ TASK_ALWAYS(HOSTCMD, host_command_task, NULL, LARGER_TASK_STACK_SIZE) \ TASK_ALWAYS(POWERBTN, power_button_task, NULL, VENTI_TASK_STACK_SIZE) \ - TASK_ALWAYS(CONSOLE, console_task, NULL, VENTI_TASK_STACK_SIZE) + TASK_ALWAYS(CONSOLE, console_task, NULL, VENTI_TASK_STACK_SIZE) \ + TASK_ALWAYS(PD_C0, pd_task, NULL, VENTI_TASK_STACK_SIZE) \ + TASK_ALWAYS(PD_C1, pd_task, NULL, VENTI_TASK_STACK_SIZE) \ + TASK_ALWAYS(PD_INT_C0, pd_interrupt_handler_task, 0, TASK_STACK_SIZE) \ + TASK_ALWAYS(PD_INT_C1, pd_interrupt_handler_task, 1, TASK_STACK_SIZE) diff --git a/baseboard/guybrush/baseboard.c b/baseboard/guybrush/baseboard.c index 33844c38a9..0b65f8995f 100644 --- a/baseboard/guybrush/baseboard.c +++ b/baseboard/guybrush/baseboard.c @@ -432,7 +432,65 @@ void sbu_fault_interrupt(enum ioex_signal signal) void tcpc_alert_event(enum gpio_signal signal) { - /* TODO */ + int port; + + switch (signal) { + case GPIO_USB_C0_TCPC_INT_ODL: + port = 0; + break; + case GPIO_USB_C1_TCPC_INT_ODL: + port = 1; + break; + default: + return; + } + + schedule_deferred_pd_interrupt(port); +} + +static void reset_pd_port(int port, enum gpio_signal reset_gpio_l, + int hold_delay, int post_delay) +{ + gpio_set_level(reset_gpio_l, 0); + msleep(hold_delay); + gpio_set_level(reset_gpio_l, 1); + if (post_delay) + msleep(post_delay); +} + + +void board_reset_pd_mcu(void) +{ + /* Reset TCPC0 */ + reset_pd_port(USBC_PORT_C0, GPIO_USB_C0_TCPC_RST_L, + NCT38XX_RESET_HOLD_DELAY_MS, + NCT38XX_RESET_POST_DELAY_MS); + + /* Reset TCPC1 */ + reset_pd_port(USBC_PORT_C1, GPIO_USB_C1_TCPC_RST_L, + NCT38XX_RESET_HOLD_DELAY_MS, + NCT38XX_RESET_POST_DELAY_MS); +} + +uint16_t tcpc_get_alert_status(void) +{ + uint16_t status = 0; + + /* + * Check which port has the ALERT line set and ignore if that TCPC has + * its reset line active. + */ + if (!gpio_get_level(GPIO_USB_C0_TCPC_INT_ODL)) { + if (gpio_get_level(GPIO_USB_C0_TCPC_RST_L) != 0) + status |= PD_STATUS_TCPC_ALERT_0; + } + + if (!gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL)) { + if (gpio_get_level(GPIO_USB_C1_TCPC_RST_L) != 0) + status |= PD_STATUS_TCPC_ALERT_1; + } + + return status; } void ppc_interrupt(enum gpio_signal signal) |