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fby4: sd: Support PLDM host power control #1344

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fby4: sd: Support PLDM host power control #1344

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2 changes: 1 addition & 1 deletion meta-facebook/yv4-sd/src/platform/plat_init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ void pal_pre_init()
void pal_post_init()
{
plat_mctp_init();
pldm_load_state_effecter_table(MAX_STATE_EFFECTER_IDX);
pldm_load_state_effecter_table(PLAT_PLDM_MAX_STATE_EFFECTER_IDX);
pldm_assign_gpio_effecter_id(PLAT_EFFECTER_ID_GPIO_HIGH_BYTE);
}

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110 changes: 110 additions & 0 deletions meta-facebook/yv4-sd/src/platform/plat_pldm_monitor.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,15 +22,33 @@
#include "pldm.h"

#include "plat_gpio.h"
#include "plat_i2c.h"
#include "plat_sensor_table.h"
#include "plat_pldm_monitor.h"

LOG_MODULE_REGISTER(plat_pldm_monitor);

#define PLAT_PLDM_POWER_ON_BUTTON_MSEC 1000
#define PLAT_PLDM_RESET_BUTTON_MSEC 1000
#define PLAT_PLDM_GRACEFUL_SHUTDOWN_BUTTON_MSEC 1000
#define PLAT_PLDM_POWER_OFF_BUTTON_MSEC 6000
#define PLAT_PLDM_POWER_CYCLE_INTERVAL_MSEC 5000

#define PLAT_PLDM_SEQUENCE_CNT 3

static uint8_t power_sequence[PLAT_PLDM_SEQUENCE_CNT] = {PLAT_PLDM_HOST_PWR_CTRL_DEFAULT, PLAT_PLDM_HOST_PWR_BTN_LOW,
PLAT_PLDM_HOST_PWR_CTRL_DEFAULT};
static uint8_t reset_sequence[PLAT_PLDM_SEQUENCE_CNT] = {PLAT_PLDM_HOST_PWR_CTRL_DEFAULT, PLAT_PLDM_HOST_RST_BTN_LOW,
PLAT_PLDM_HOST_PWR_CTRL_DEFAULT};

struct pldm_state_effecter_info plat_state_effecter_table[] = {
[0 ... PLDM_PLATFORM_OEM_AST1030_GPIO_PIN_NUM_MAX] = {
.entity_type = PLDM_ENTITY_IO_CONTROLLER,
},
[PLDM_PLATFORM_OEM_AST1030_GPIO_PIN_NUM_MAX + 1] = {
.entity_type = PLDM_ENTITY_SUB_CHASSIS,
.effecter_id = 0x0000,
},
};

void plat_pldm_load_state_effecter_table(void)
Expand All @@ -56,6 +74,9 @@ uint8_t plat_pldm_set_state_effecter_state_handler(const uint8_t *buf, uint16_t
set_effecter_state_gpio_handler(buf, len, resp, resp_len,
(uint8_t)(info_p->effecter_id & GENMASK(7, 0)));
break;
case PLDM_ENTITY_SUB_CHASSIS:
plat_pldm_set_effecter_state_host_power_control(buf, len, resp, resp_len);
break;
default:
LOG_ERR("Unsupport entity type, (%d)", info_p->entity_type);
*completion_code_p = PLDM_ERROR_INVALID_DATA;
Expand Down Expand Up @@ -90,3 +111,92 @@ uint8_t plat_pldm_get_state_effecter_state_handler(const uint8_t *buf, uint16_t

return PLDM_SUCCESS;
}

uint8_t plat_pldm_host_button_sequence(const uint8_t *power_sequence, uint16_t pressing_interval)
{
uint8_t retry = 3;
I2C_MSG i2c_msg;
i2c_msg.bus = I2C_BUS5;
i2c_msg.target_addr = 0x21; //server board cpld addr
i2c_msg.tx_len = 2;
i2c_msg.rx_len = 0;
i2c_msg.data[0] = 0x00;

for (int i = 0; i < PLAT_PLDM_SEQUENCE_CNT; i++) {
i2c_msg.data[1] = power_sequence[i];
if (i2c_master_write(&i2c_msg, retry)) {
return -1;
}

if (i == 1) {
k_msleep(pressing_interval);
}
}
return 0;
}

void plat_pldm_set_effecter_state_host_power_control(const uint8_t *buf, uint16_t len,
uint8_t *resp, uint16_t *resp_len)
{
CHECK_NULL_ARG(buf);
CHECK_NULL_ARG(resp);
CHECK_NULL_ARG(resp_len);

struct pldm_set_state_effecter_states_req *req_p =
(struct pldm_set_state_effecter_states_req *)buf;
uint8_t *completion_code_p = resp;
*resp_len = 1;

if (req_p->composite_effecter_count != PLDM_PLATFORM_OEM_HOST_POWER_CTRL_EFFECTER_STATE_FIELD_COUNT) {
LOG_ERR("Unsupported host power control effecter count, (%d)", req_p->composite_effecter_count);
*completion_code_p = PLDM_ERROR_INVALID_DATA;
return;
}

set_effecter_state_field_t *host_power_state = &req_p->field[0];

if (host_power_state->set_request >= PLDM_SET_REQUEST_MAX) {
LOG_ERR("Invalid host power control set request (%d)",
host_power_state->set_request);
*completion_code_p = PLDM_PLATFORM_UNSUPPORTED_EFFECTERSTATE;
return;
}

switch (host_power_state->effecter_state) {
case EFFECTER_STATE_POWER_STATUS_ON:
if (plat_pldm_host_button_sequence(power_sequence, PLAT_PLDM_POWER_ON_BUTTON_MSEC) != 0) {
LOG_ERR("Failed to do host power on");
}
break;
case EFFECTER_STATE_POWER_STATUS_OFF:
if (plat_pldm_host_button_sequence(power_sequence, PLAT_PLDM_POWER_OFF_BUTTON_MSEC) != 0) {
LOG_ERR("Failed to do host power off");
}
break;
case EFFECTER_STATE_POWER_STATUS_CYCLE:
if (plat_pldm_host_button_sequence(power_sequence, PLAT_PLDM_POWER_OFF_BUTTON_MSEC) != 0) {
LOG_ERR("Failed to do host power cycle");
}
k_msleep(PLAT_PLDM_POWER_CYCLE_INTERVAL_MSEC);
if (plat_pldm_host_button_sequence(power_sequence, PLAT_PLDM_POWER_ON_BUTTON_MSEC) != 0) {
LOG_ERR("Failed to do host power cycle");
}
break;
case EFFECTER_STATE_POWER_STATUS_RESET:
if (plat_pldm_host_button_sequence(reset_sequence, PLAT_PLDM_RESET_BUTTON_MSEC) != 0) {
LOG_ERR("Failed to do host power reset");
}
break;
case EFFECTER_STATE_POWER_STATUS_GRACEFUL_SHUTDOWN:
if (plat_pldm_host_button_sequence(power_sequence, PLAT_PLDM_GRACEFUL_SHUTDOWN_BUTTON_MSEC) != 0) {
LOG_ERR("Failed to do host graceful shutdown");
}
break;
default:
LOG_ERR("Unsupported host power control effecter state, (%d)",
host_power_state->effecter_state);
*completion_code_p = PLDM_ERROR_INVALID_DATA;
}

return;
}
6 changes: 5 additions & 1 deletion meta-facebook/yv4-sd/src/platform/plat_pldm_monitor.h
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,11 @@
#ifndef PLAT_PLDM_MONITOR_H
#define PLAT_PLDM_MONITOR_H

#define MAX_STATE_EFFECTER_IDX 168
#define PLAT_PLDM_MAX_STATE_EFFECTER_IDX 169

#define PLAT_PLDM_HOST_PWR_CTRL_DEFAULT 0xFF
#define PLAT_PLDM_HOST_PWR_BTN_LOW 0xFE
#define PLAT_PLDM_HOST_RST_BTN_LOW 0xFD

enum pldm_plat_effecter_id_high_byte {
PLAT_EFFECTER_ID_GPIO_HIGH_BYTE = (0xFF << 8),
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