#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/seq_file.h> // single_open
#include <linux/slab.h> // kfree kzalloc
#include <linux/proc_fs.h> // proc_creat
#include <linux/uaccess.h> // copy_from_user
#include <linux/version.h>
#include "kdrv_pmbus_api.h"
static int pmbus_test_show(struct seq_file *seq, void *arg)
{
return 0;
}
static int pmbus_test_open(struct inode *pnode, struct file *pfile)
{
return single_open(pfile, pmbus_test_show, NULL);
}
int test_kdrv_pmbus_write_block_data(u32 bus_id, u32 slave_addr, u32 cmd, u32 len)
{
u8 *buf = NULL;
int i;
u32 ret;
buf = (u8 *)kzalloc(len, GFP_KERNEL);
if (buf == NULL) {
pr_err("kzalloc err!\r\n");
return -ENOMEM;
}
buf[0] = len - 1;
for (i = 1; i < len; i++) {
buf[i] = i;
}
ret = kdrv_pmbus_write_block_data(bus_id, slave_addr, cmd, buf, len);
if (ret) {
pr_err("kdrv_pmbus_write_block_data fail\r\n");
kfree(buf);
return ret;
}
kfree(buf);
return 0;
}
int test_kdrv_pmbus_read_block_data(u32 bus_id, u32 slave_addr, u32 cmd, u32 len)
{
int ret;
int i;
u8 *buf = NULL;
buf = (u8 *)kzalloc(len, GFP_KERNEL);
if (buf == NULL) {
pr_err("kzalloc err!\r\n");
return -ENOMEM;
}
ret = kdrv_pmbus_read_block_data(bus_id, slave_addr, cmd, buf, len);
if (ret) {
pr_err("kdrv_pmbus_read_block_data fail bus_id:%#x, addr:%#x, cmd:%#x\n", bus_id, slave_addr, cmd);
kfree(buf);
return ret;
}
for (i = 0; i < len; i++) {
pr_info("read: bus_id:%#x, addr:%#x, cmd:%#x, buf[%d]:[0x%02x], len:%u\n", bus_id, slave_addr, cmd, i,
buf[i], len);
}
kfree(buf);
return 0;
}
int test_kdrv_pmbus_read_byte(u32 bus_id, u32 slave_addr, u32 cmd)
{
int ret;
u8 data;
ret = kdrv_pmbus_read_byte(bus_id, slave_addr, cmd, &data);
if (ret) {
pr_err("kdrv_pmbus_read_byte fail bus_id:%u, addr:%#x, cmd:%#x\n", bus_id, slave_addr, cmd);
return ret;
}
pr_info("read: bus_id:%#x, addr:%#x, cmd:%#x, data:%#x\n", bus_id, slave_addr, cmd, data);
return 0;
}
int test_kdrv_pmbus_read_word(u32 bus_id, u32 slave_addr, u32 cmd)
{
int ret;
u16 data;
ret = kdrv_pmbus_read_word(bus_id, slave_addr, cmd, &data);
if (ret) {
pr_err("kdrv_pmbus_read_word fail bus_id:%u, addr:%#x, cmd:%#x\n", bus_id, slave_addr, cmd);
return ret;
}
pr_info("read: bus_id:%#x, addr:%#x, cmd:%#x, data:%#x\n", bus_id, slave_addr, cmd, data);
return 0;
}
int test_kdrv_pmbus_write_byte(u32 bus_id, u32 slave_addr, u32 cmd, u32 data)
{
int ret;
ret = kdrv_pmbus_write_byte(bus_id, slave_addr, cmd, (u8)data);
if (ret) {
pr_err("kdrv_pmbus_write_byte fail bus_id:%u, addr:%#x, cmd:%#x\n", bus_id, slave_addr, cmd);
return ret;
}
pr_info("write byte: bus_id:%#x, addr:%#x, cmd:%#x, data:%#x\n", bus_id, slave_addr, cmd, data);
return 0;
}
int test_kdrv_pmbus_write_word(u32 bus_id, u32 slave_addr, u32 cmd, u32 data)
{
int ret;
ret = kdrv_pmbus_write_word(bus_id, slave_addr, cmd, (u16)data);
if (ret) {
pr_err("kdrv_pmbus_write_word fail bus_id:%u, addr:%#x, cmd:%#x\n", bus_id, slave_addr, cmd);
return ret;
}
pr_info("write word: bus_id:%#x, addr:%#x, cmd:%#x, data:%#x\n", bus_id, slave_addr, cmd, data);
return 0;
}
int test_kdrv_pmbus_write_cmd(u32 bus_id, u32 slave_addr, u32 cmd)
{
int ret;
ret = kdrv_pmbus_write_cmd(bus_id, slave_addr, cmd);
if (ret) {
pr_err("kdrv_pmbus_write_cmd fail bus_id:%u, addr:%#x, cmd:%#x\n", bus_id, slave_addr, cmd);
return ret;
}
pr_info("write word: bus_id:%#x, addr:%#x, cmd:%#x\n", bus_id, slave_addr, cmd);
return 0;
}
#define PMBUS_CMD_READ_BYTE 0
#define PMBUS_CMD_READ_WORD 1
#define PMBUS_CMD_WRITE_BYTE 2
#define PMBUS_CMD_WRITE_WORD 3
#define PMBUS_CMD_READ_BLOCK 4
#define PMBUS_CMD_WRITE_BLOCK 5
#define PMBUS_CMD_WRITE_CMD 6
#define PMBUS_CMD_RESET 7
#define PMBUS_CMD_INIT 8
#define CFG_LINE_SIZE 120
static ssize_t pmbus_test_write(struct file *file, const char __user *buf, size_t len, loff_t *ppos)
{
u32 cmd;
u32 bus_id;
u32 command;
u32 data;
u32 slave_addr;
char *next = NULL;
char line[CFG_LINE_SIZE] = {0};
if (len > (CFG_LINE_SIZE - 1)) {
return -E2BIG;
}
if (copy_from_user(line, buf, len)) {
return -EINVAL;
}
/* usage: echo <cmd> [bus_id][slave_addr] [cmd] > pmbus_test */
cmd = simple_strtoul(line, &next, 0);
bus_id = simple_strtoul(next + 1, &next, 0);
switch (cmd) {
case PMBUS_CMD_READ_BYTE:
slave_addr = simple_strtoul(next + 1, &next, 0);
command = simple_strtoul(next + 1, &next, 0);
(void)test_kdrv_pmbus_read_byte(bus_id, slave_addr, command);
break;
case PMBUS_CMD_READ_WORD:
slave_addr = simple_strtoul(next + 1, &next, 0);
command = simple_strtoul(next + 1, &next, 0);
(void)test_kdrv_pmbus_read_word(bus_id, slave_addr, command);
break;
case PMBUS_CMD_WRITE_BYTE:
slave_addr = simple_strtoul(next + 1, &next, 0);
command = simple_strtoul(next + 1, &next, 0);
data = simple_strtoul(next + 1, &next, 0);
(void)test_kdrv_pmbus_write_byte(bus_id, slave_addr, command, (u8)data);
break;
case PMBUS_CMD_WRITE_WORD:
slave_addr = simple_strtoul(next + 1, &next, 0);
command = simple_strtoul(next + 1, &next, 0);
data = simple_strtoul(next + 1, &next, 0);
(void)test_kdrv_pmbus_write_word(bus_id, slave_addr, command, (u16)data);
break;
case PMBUS_CMD_READ_BLOCK:
slave_addr = simple_strtoul(next + 1, &next, 0);
command = simple_strtoul(next + 1, &next, 0);
data = simple_strtoul(next + 1, &next, 0);
(void)test_kdrv_pmbus_read_block_data(bus_id, slave_addr, command, data);
break;
case PMBUS_CMD_WRITE_BLOCK:
slave_addr = simple_strtoul(next + 1, &next, 0);
command = simple_strtoul(next + 1, &next, 0);
data = simple_strtoul(next + 1, &next, 0);
(void)test_kdrv_pmbus_write_block_data(bus_id, slave_addr, command, data);
break;
case PMBUS_CMD_WRITE_CMD:
slave_addr = simple_strtoul(next + 1, &next, 0);
command = simple_strtoul(next + 1, &next, 0);
(void)test_kdrv_pmbus_write_cmd(bus_id, slave_addr, command);
break;
case PMBUS_CMD_RESET:
(void)kdrv_pmbus_reset(bus_id);
break;
case PMBUS_CMD_INIT:
data = simple_strtoul(next + 1, &next, 0);
(void)kdrv_pmbus_init(bus_id, data);
break;
default:
break;
}
return len;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)
static const struct proc_ops g_pmbus_operations = {
.proc_open = pmbus_test_open,
.proc_read = seq_read,
.proc_write = pmbus_test_write,
.proc_lseek = seq_lseek,
.proc_release = single_release,
};
#else
static const struct file_operations g_pmbus_operations = {
.open = pmbus_test_open,
.read = seq_read,
.write = pmbus_test_write,
.llseek = seq_lseek,
.release = single_release,
};
#endif
int __init pmbus_test_mod_init(void)
{
(void)proc_create("pmbus_test", S_IRUSR, NULL, &g_pmbus_operations);
printk("pmbus_test_mod_init\r\n");
return 0;
}
void __exit pmbus_test_mod_exit(void)
{
(void)remove_proc_entry("pmbus_test", NULL);
printk("pmbus_test_mod_exit\r\n");
}
module_init(pmbus_test_mod_init);
module_exit(pmbus_test_mod_exit);
MODULE_DESCRIPTION("udrv pmbus api test");
MODULE_LICENSE("GPL");"
#include <linux/delay.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/types.h>
#include <linux/bitfield.h>
#include "hisi_pmbus.h"
#define STANDARD_MODE 1
#define FAST_MODE 2
#define GPIO_LEVEL_LOW 0
#define GPIO_LEVEL_HIGH 1
#define SET_LOW_HIGH_TIMES 9
#define AVS_WR_OPEN_REG 0x0004
#define AVS_INT_STATUS_REG 0x0008
#define AVS_INT_CLEAR_REG 0x0020
#define TRIGGER_CFG_REG 0x00B8
#define PMBUS_DISABLE 0x00
#define PMBUS_ENABLE 0x01
/* PMBUSIF_REG_GEN Base address of Module's Register */
#define PMBUSIF_REG_GEN_BASE (0x800)
#define I2C_CON_REG (PMBUSIF_REG_GEN_BASE + 0x0) /* I2C控制寄存器。 */
#define I2C_CON_MASTER_ENABLE BIT(0)
#define I2C_CON_SPEED_MASK (0x6U)
#define I2C_CON_RESTART_EN BIT(5)
#define I2C_CON_SLAVE_DISABLE BIT(6)
#define I2C_DATA_CMD_REG (PMBUSIF_REG_GEN_BASE + 0x10) /* I2C数据操作寄存器。 */
#define I2C_SS_SCL_HCNT_REG (PMBUSIF_REG_GEN_BASE + 0x14) /* I2C标准速度模式SCL高电平配置寄存器。 */
#define I2C_SS_SCL_LCNT_REG (PMBUSIF_REG_GEN_BASE + 0x18) /* I2C标准速度模式SCL低电平配置寄存器。 */
#define I2C_FS_SCL_HCNT_REG (PMBUSIF_REG_GEN_BASE + 0x1C) /* I2C快速模式SCL高电平配置寄存器。 */
#define I2C_FS_SCL_LCNT_REG (PMBUSIF_REG_GEN_BASE + 0x20) /* I2C快速模式SCL低电平配置寄存器。 */
#define I2C_INTR_STAT_REG (PMBUSIF_REG_GEN_BASE + 0x2C) /* I2C屏蔽后中断状态寄存器。 */
#define I2C_INTR_MASK_REG (PMBUSIF_REG_GEN_BASE + 0x30) /* I2C中断屏蔽寄存器。 */
#define I2C_INTR_RAW_REG (PMBUSIF_REG_GEN_BASE + 0x34) /* I2C原始中断状态寄存器。 */
#define I2C_INTR_RAW_TX_ABRT BIT(6)
#define I2C_INTR_RAW_ALERT_DET BIT(12)
#define I2C_INTR_RAW_SCL_LOW_TOUT BIT(15)
#define I2C_INTR_RAW_PMBUS_CMD_FINISH BIT(17)
#define I2C_ENABLE_REG (PMBUSIF_REG_GEN_BASE + 0x6C) /* I2C工作使能寄存器。 */
#define I2C_STATUS_REG (PMBUSIF_REG_GEN_BASE + 0x70) /* I2C状态寄存器。 */
#define I2C_RXFLR_REG (PMBUSIF_REG_GEN_BASE + 0x78) /* RX_FIFO有效数据指示寄存器。 */
#define I2C_SDA_HOLD_REG (PMBUSIF_REG_GEN_BASE + 0x7C) /* SDA保持时间配置寄存器。 */
#define I2C_ENABLE_STATUS_REG (PMBUSIF_REG_GEN_BASE + 0x9C) /* I2C状态寄存器。 */
#define I2C_SCL_SWITCH_REG (PMBUSIF_REG_GEN_BASE + 0xA0) /* I2C防挂死SCL使能寄存器。 */
#define I2C_SCL_SIM_REG (PMBUSIF_REG_GEN_BASE + 0xA4) /* I2C防挂死SCL模拟寄存器。 */
#define I2C_LOCK_REG (PMBUSIF_REG_GEN_BASE + 0xAC) /* I2C lock寄存器。 */
#define I2C_SDA_SWITCH_REG (PMBUSIF_REG_GEN_BASE + 0xB0) /* I2C防挂死SDA使能寄存器。 */
#define I2C_SDA_SIM_REG (PMBUSIF_REG_GEN_BASE + 0xB4) /* I2C防挂死SDA模拟寄存器。 */
#define I2C_PMBUS_CTRL_REG (PMBUSIF_REG_GEN_BASE + 0x104) /* PMBUS全局控制寄存器。 */
#define I2C_PMBUS_CTRL_PEC_EN BIT(2)
#define I2C_PMBUS_CTRL_ALERT_EN BIT(1)
#define I2C_LOW_TIMEOUT_REG (PMBUSIF_REG_GEN_BASE + 0x108) /* SCL低电平超时值配置寄存器。 */
#define I2C_PMBUS_SCL_DET_REG (PMBUSIF_REG_GEN_BASE + 0x12C) /* PMBUS SCL检测寄存器。 */
#define I2C_PMBUS_SCL_DET_IDLE_DET_EN BIT(0)
#define I2C_PMBUS_SCL_DET_TIMEOUT_EN BIT(1)
#define I2C_PMBUS_IDLECNT_REG (PMBUSIF_REG_GEN_BASE + 0x130) /* SCL高电平空闲值配置寄存器。 */
#define I2C_PMBUS_RST_REG (PMBUSIF_REG_GEN_BASE + 0x134) /* 软件复位配置寄存器。 */
/* PMBUS_PROC_REG_GEN Base address of Module's Register */
#define PMBUS_PROC_REG_GEN_BASE (0xA00)
#define PMBUS_WR_OPEN_REG (PMBUS_PROC_REG_GEN_BASE + 0x4) /* PMBUS全局参数保护寄存器。 */
#define PMBUS_INT_CLR_REG (PMBUS_PROC_REG_GEN_BASE + 0x10) /* PMBUS中断清除寄存器 */
#define PMBUS_WAIT_CNT 30000
/* PMU CMD */
#define STOP_EN (1U << 10)
#define ADDR_EN (1U << 9)
#define CMD_READ (1U << 8)
#define SDA_IN BIT(9)
#define PMBUS_I2C_RECOVERY_CYCLE_CNT 10
static inline void pmbus_reg_write(struct io_region *reg_region, u32 reg, u32 val)
{
pr_debug("[iWare][Debug] %s reg=%#x val =%#x\r\n", __FUNCTION__, reg, val);
iowrite32(val, reg_region->io_base + reg);
}
static inline u32 pmbus_reg_read(struct io_region *reg_region, u32 reg)
{
u32 val;
val = ioread32(reg_region->io_base + reg);
pr_debug("[iWare][Debug] %s reg=%#x val =%#x\r\n", __FUNCTION__, reg, val);
return val;
}
/* try to recovery the bus if sda locked to low level */
static void pmbus_recovery_bus(struct io_region *reg_region)
{
int i;
u32 status;
status = pmbus_reg_read(reg_region, I2C_STATUS_REG);
/* if SDA keep low, assume the bus hang up */
if ((status & SDA_IN) == 0) {
/* disable pmbus */
pmbus_reg_write(reg_region, I2C_ENABLE_REG, 0x0);
/* enable output software simulaition */
pmbus_reg_write(reg_region, I2C_SCL_SWITCH_REG, 0x1);
pmbus_reg_write(reg_region, I2C_SDA_SWITCH_REG, 0x1);
/* output at least 9 clocks to try to recover the bus */
for (i = 0; i < PMBUS_I2C_RECOVERY_CYCLE_CNT; i++) {
pmbus_reg_write(reg_region, I2C_SCL_SIM_REG, 0x0);
udelay(50); // 延时50us
pmbus_reg_write(reg_region, I2C_SCL_SIM_REG, 0x1);
udelay(50); // 延时50us
}
/* disable output software simulaition */
pmbus_reg_write(reg_region, I2C_SCL_SWITCH_REG, 0x0);
pmbus_reg_write(reg_region, I2C_SDA_SWITCH_REG, 0x0);
/* enable pmbus */
pmbus_reg_write(reg_region, I2C_ENABLE_REG, 0x1);
pr_info("[iWare][Info] pmbus hang recovery done\n");
}
}
static int pmbus_wait_write_finish(struct io_region *reg_region)
{
int i;
u32 status = 0;
for (i = 0; i < PMBUS_WAIT_CNT; i++) {
status = pmbus_reg_read(reg_region, I2C_INTR_RAW_REG);
if (((status & I2C_INTR_RAW_SCL_LOW_TOUT) == 0) &&
((status & I2C_INTR_RAW_TX_ABRT) == 0) &&
((status & I2C_INTR_RAW_PMBUS_CMD_FINISH) != 0)) {
// 清除所有中断
pmbus_reg_write(reg_region, I2C_INTR_RAW_REG, 0xffffffff);
return 0;
}
udelay(1);
}
pr_err("[iWare][Error] pmbus_write timeout! raw_int_status:0x%x\n", status);
// 清除所有中断
pmbus_reg_write(reg_region, I2C_INTR_RAW_REG, 0xffffffff);
pmbus_recovery_bus(reg_region);
return -EBUSY;
}
static int pmbus_send_byte_v200(struct io_region *reg_region, struct pmbus_msg *msg)
{
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, ADDR_EN | msg->slave_addr);
if ((msg->type & PMBUS_FLAG_EXT) != 0) {
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, STOP_EN | msg->command);
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, STOP_EN | msg->command_ext);
} else {
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, STOP_EN | msg->command);
}
return pmbus_wait_write_finish(reg_region);
}
static int pmbus_write_bytes_v200(struct io_region *reg_region, struct pmbus_msg *msg)
{
unsigned int i;
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, ADDR_EN | msg->slave_addr);
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, msg->command);
if ((msg->type & PMBUS_FLAG_EXT) != 0) {
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, msg->command_ext);
}
for (i = 0; i < msg->data_len - 1; i++) {
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, msg->data[i]);
}
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, STOP_EN | msg->data[msg->data_len - 1]);
return pmbus_wait_write_finish(reg_region);
}
#define PMBUS_READ_WAIT_TIMEOUT 1000000ULL
#define PMUBS_READ_WAIT_DELAY_US 1UL
static int pmbus_wait_read_finish(struct io_region *reg_region, u8 read_len)
{
int ret;
u32 data_num;
ret = readl_poll_timeout(reg_region->io_base + I2C_RXFLR_REG, data_num, (data_num >= read_len),
PMUBS_READ_WAIT_DELAY_US, PMBUS_READ_WAIT_TIMEOUT);
if (ret != 0) {
pr_err("[iWare][Error] wait read_finish timeout!! read_len[%u] fifo num[%u], raw_int_status:0x%x\n", read_len,
data_num, pmbus_reg_read(reg_region, I2C_INTR_RAW_REG));
// 清除所有中断
pmbus_reg_write(reg_region, I2C_INTR_RAW_REG, 0xffffffff);
pmbus_recovery_bus(reg_region);
return ret;
}
return 0;
}
static void pmbus_clear_rx_fifo(struct io_region *reg_region)
{
u8 rx_fifo_data_num;
u8 i;
u32 tmp;
/* clean rx fifo */
rx_fifo_data_num = (u8)pmbus_reg_read(reg_region, I2C_RXFLR_REG);
for (i = 0; i < rx_fifo_data_num; i++) {
tmp = pmbus_reg_read(reg_region, I2C_DATA_CMD_REG); // 把fifo读清
}
}
static int pmbus_read_bytes_v200(struct io_region *reg_region, struct pmbus_msg *msg)
{
int ret;
unsigned int i;
u32 status;
/* 先把rx fifo读清 */
pmbus_clear_rx_fifo(reg_region);
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, ADDR_EN | msg->slave_addr);
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, msg->command);
if ((msg->type & PMBUS_FLAG_EXT) != 0) { // 扩展16bit 命令
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, msg->command_ext);
}
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, ADDR_EN | CMD_READ | msg->slave_addr);
for (i = 0; i < msg->data_len - 1; i++) {
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, CMD_READ);
}
pmbus_reg_write(reg_region, I2C_DATA_CMD_REG, STOP_EN | CMD_READ);
ret = pmbus_wait_read_finish(reg_region, msg->data_len);
if (ret != 0) {
pr_err("[iWare][Error] %s slave_addr(0x%x), cmd(0x%x), time out\n", __func__, msg->slave_addr, msg->command);
pmbus_recovery_bus(reg_region);
return -EAGAIN;
}
for (i = 0; i < msg->data_len; i++) {
msg->data[i] = (u8)pmbus_reg_read(reg_region, I2C_DATA_CMD_REG);
}
/* for block read, first read code is data length */
if ((msg->type & PMBUS_FLAG_BLOCK) != 0) {
if (msg->data[0] > msg->data_len) {
pr_info("[iWare][Info] pmbus read slave[0x%02x] command[0x%02x] block data may lossed, toalLen[%u]\n",
msg->slave_addr, msg->command, msg->data[0]);
}
}
// 清中断
status = pmbus_reg_read(reg_region, I2C_INTR_RAW_REG);
pmbus_reg_write(reg_region, I2C_INTR_RAW_REG, status);
return 0;
}
static int pmbus_reset_v200(struct io_region *reg_region)
{
pmbus_reg_write(reg_region, I2C_PMBUS_RST_REG, 1);
udelay(1);
pmbus_reg_write(reg_region, I2C_PMBUS_RST_REG, 0);
udelay(1);
return 0;
}
/* 不同soc解锁码不同, chip dtsi里配置
309a 1260
avs_wr_unlock_key 0x5a5a5a5a 0x1ACCE551
pmbus_wr_unlock_key 0x5a5a5a5a 0x1ACCE551
i2c_unlock_key 0x5a5a5a5a 0x36313832
*/
static void pmbus_unlock_reg(struct io_region *reg_region, struct pmbus_unlock_key *key)
{
/* unlock avs wr */
pmbus_reg_write(reg_region, AVS_WR_OPEN_REG, key->avs_wr_unlock_key);
/* unlock pmbus wr */
pmbus_reg_write(reg_region, PMBUS_WR_OPEN_REG, key->pmbus_wr_unlock_key);
/* unlock pmbus i2c wr */
pmbus_reg_write(reg_region, I2C_LOCK_REG, key->i2c_unlock_key);
}
static void pmbus_config_timing_cnt(struct io_region *reg_region, u8 speed_mode, struct pmbus_timings_cfg *pmbus_cfg)
{
if (speed_mode == STANDARD_MODE) { // 标准模式
pmbus_reg_write(reg_region, I2C_SS_SCL_LCNT_REG, pmbus_cfg->lcnt);
pmbus_reg_write(reg_region, I2C_SS_SCL_HCNT_REG, pmbus_cfg->hcnt);
} else { // 快速模式
pmbus_reg_write(reg_region, I2C_FS_SCL_LCNT_REG, pmbus_cfg->lcnt);
pmbus_reg_write(reg_region, I2C_FS_SCL_HCNT_REG, pmbus_cfg->hcnt);
}
// 屏蔽所有中断
pmbus_reg_write(reg_region, I2C_INTR_MASK_REG, 0xFFFFFFFF);
pmbus_reg_write(reg_region, I2C_SDA_HOLD_REG, pmbus_cfg->hold_cnt);
// PMBus的SCL低电平超时值(PMBus协议规定为25~35ms)
pmbus_reg_write(reg_region, I2C_LOW_TIMEOUT_REG, pmbus_cfg->timeout_cnt); // 默认30ms
// PMBus的SCL高电平空闲值(PMBus协议规定为>50us)
pmbus_reg_write(reg_region, I2C_PMBUS_IDLECNT_REG, pmbus_cfg->idle_cnt); // 默认100us
}
static int pmbus_init_v200(struct io_region *reg_region, u32 pec_en, u32 bus_freq_hz, struct pmbus_timings_cfg *cfg,
struct pmbus_unlock_key *key)
{
u32 val = 0;
u8 speed_mode;
int ret;
if (bus_freq_hz > PMBUS_MAX_FAST_MODE_FREQ) {
pr_err("[iWare][Error] invalid para bus_freq_hz =%u\r\n", bus_freq_hz);
return -EINVAL;
}
ret = pmbus_reset_v200(reg_region);
if (ret != 0) {
return ret;
}
/* unlock */
pmbus_unlock_reg(reg_region, key);
/* stop triger */
pmbus_reg_write(reg_region, TRIGGER_CFG_REG, 0x0);
/* disable pmbus */
pmbus_reg_write(reg_region, I2C_ENABLE_REG, PMBUS_DISABLE);
speed_mode = (bus_freq_hz <= PMBUS_MAX_STANDARD_MODE_FREQ) ? STANDARD_MODE : FAST_MODE;
val |= I2C_CON_MASTER_ENABLE | I2C_CON_SLAVE_DISABLE | I2C_CON_RESTART_EN;
val |= (u32)FIELD_PREP(I2C_CON_SPEED_MASK, speed_mode);
pmbus_reg_write(reg_region, I2C_CON_REG, val);
pmbus_config_timing_cnt(reg_region, speed_mode, cfg);
/* config scl detect */
pmbus_reg_write(reg_region, I2C_PMBUS_SCL_DET_REG, I2C_PMBUS_SCL_DET_IDLE_DET_EN | I2C_PMBUS_SCL_DET_TIMEOUT_EN);
/* enable pec and alert */
val = I2C_PMBUS_CTRL_ALERT_EN;
if (pec_en != 0) {
pr_info("[iWare][Info] pmbus enable pec \r\n");
val |= I2C_PMBUS_CTRL_PEC_EN;
}
pmbus_reg_write(reg_region, I2C_PMBUS_CTRL_REG, val);
/* enable pmbus */
pmbus_reg_write(reg_region, I2C_ENABLE_REG, PMBUS_ENABLE);
// 清中断
pmbus_reg_write(reg_region, AVS_INT_CLEAR_REG, 0xFFFFFFFF);
pmbus_reg_write(reg_region, PMBUS_INT_CLR_REG, 0xFFFFFFFF);
pmbus_reg_write(reg_region, I2C_INTR_RAW_REG, 0xFFFFFFFF);
return 0;
}
const struct hisi_pmbus_ops hisi_pmbus_v200_ops = {
.init = pmbus_init_v200,
.reset = pmbus_reset_v200,
.send_byte = pmbus_send_byte_v200,
.read_bytes = pmbus_read_bytes_v200,
.write_bytes = pmbus_write_bytes_v200,
};
const struct hisi_pmbus_ops *hisi_pmbus_get_ops(void)
{
return &hisi_pmbus_v200_ops;
}"
#include <linux/device.h>
#include <linux/errno.h>
#include "hisi_pmbus.h"
#include "kdrv_pmbus_api.h"
#define PMBUS_BLOCK_MAX 32
static void hisi_pmbus_fill_msg(struct pmbus_msg *msg, u8 type, u8 slave_addr, u16 command)
{
u8 cmd;
cmd = (u8)(command >> 0x8); // 高8位为extended cmd 指示这是一条扩展命令
if ((cmd == PMBUS_MFR_SPECIFIC_COMMAND_EXT || cmd == PMBUS_COMMAND_EXT)) {
msg->type = type | PMBUS_FLAG_EXT;
msg->command = cmd;
msg->command_ext = (u8)command;
} else {
msg->type = type;
msg->command = (u8)command;
}
msg->slave_addr = slave_addr;
}
static int hisi_pmbus_xfer(struct hisi_pmbus_data *pmbus, struct pmbus_msg *msg)
{
int ret;
if ((msg->data == NULL) && (msg->data_len > 0)) {
dev_err(pmbus->dev, "[iWare][Error] msg->data = NULL, msg.data_len %zu\r\n", msg->data_len);
return -EINVAL;
}
if ((msg->type & PMBUS_FLAG_NO_DATA) != 0) {
ret = pmbus->ops->send_byte(&pmbus->reg_region, msg);
} else if ((msg->type & PMBUS_FLAG_READ) != 0) {
ret = pmbus->ops->read_bytes(&pmbus->reg_region, msg);
} else { /* pmbus write */
ret = pmbus->ops->write_bytes(&pmbus->reg_region, msg);
}
return ret;
}
int kdrv_pmbus_reset(u32 bus_id)
{
struct hisi_pmbus_data *pmbus = NULL;
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
mutex_lock(&pmbus->lock);
pmbus->ops->reset(&pmbus->reg_region);
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_reset);
int kdrv_pmbus_init(u32 bus_id, u32 bus_freq_hz)
{
struct hisi_pmbus_data *pmbus = NULL;
int ret;
u32 total_cnt;
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
if (bus_freq_hz > PMBUS_MAX_FAST_MODE_FREQ || bus_freq_hz == 0) {
pr_err("[iWare][Error] invalid para bus_freq_hz =%u \r\n", bus_freq_hz);
return -EINVAL;
}
mutex_lock(&pmbus->lock);
pmbus->timing.bus_freq_hz = bus_freq_hz;
total_cnt = (u32)DIV_ROUND_UP_ULL(pmbus->timing.clk_freq_mhz * HZ_PER_MHZ, bus_freq_hz);
pmbus->timing_cfg.hcnt = (pmbus->timing.scl_high_ratio * total_cnt) / 100; // 占空比放大了100倍 这里除以100
pmbus->timing_cfg.lcnt = total_cnt - pmbus->timing_cfg.hcnt;
pr_info("[iWare][Info] %s bus_freq_hz %u, total_cnt %u, hcnt %u lcnt %u\n", __func__, bus_freq_hz, total_cnt,
pmbus->timing_cfg.hcnt, pmbus->timing_cfg.lcnt);
ret = pmbus->ops->init(&pmbus->reg_region, pmbus->pec_en, pmbus->timing.bus_freq_hz, &pmbus->timing_cfg,
&pmbus->key);
if (ret != 0) {
mutex_unlock(&pmbus->lock);
pr_err("[iWare][Error] kdrv_pmbus_init failed ret=%d\n", ret);
return ret;
}
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_init);
int kdrv_pmbus_write_word(u32 bus_id, u8 slave_addr, u16 command, u16 data)
{
struct hisi_pmbus_data *pmbus = NULL;
struct pmbus_msg msg = { 0 };
int ret;
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] kdrv_pmbus_write_word,get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
mutex_lock(&pmbus->lock);
msg.data = (u8 *)&data;
msg.data_len = sizeof(u16);
hisi_pmbus_fill_msg(&msg, PMBUS_WRITE_WORD, slave_addr, command);
ret = hisi_pmbus_xfer(pmbus, &msg);
if (ret != 0) {
mutex_unlock(&pmbus->lock);
return ret;
}
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_write_word);
int kdrv_pmbus_write_byte(u32 bus_id, u8 slave_addr, u16 command, u8 data)
{
struct hisi_pmbus_data *pmbus = NULL;
struct pmbus_msg msg = { 0 };
int ret;
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] kdrv_pmbus_write_byte, get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
mutex_lock(&pmbus->lock);
msg.data = &data;
msg.data_len = sizeof(u8);
hisi_pmbus_fill_msg(&msg, PMBUS_WRITE_BYTE, slave_addr, command);
ret = hisi_pmbus_xfer(pmbus, &msg);
if (ret != 0) {
mutex_unlock(&pmbus->lock);
return ret;
}
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_write_byte);
int kdrv_pmbus_write_cmd(u32 bus_id, u8 slave_addr, u16 command)
{
struct hisi_pmbus_data *pmbus = NULL;
struct pmbus_msg msg = { 0 };
int ret;
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] kdrv_pmbus_write_cmd, get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
mutex_lock(&pmbus->lock);
hisi_pmbus_fill_msg(&msg, PMBUS_SEND_BYTE, slave_addr, command);
ret = hisi_pmbus_xfer(pmbus, &msg);
if (ret != 0) {
mutex_unlock(&pmbus->lock);
return ret;
}
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_write_cmd);
int kdrv_pmbus_read_byte(u32 bus_id, u8 slave_addr, u16 command, u8 *data)
{
struct hisi_pmbus_data *pmbus = NULL;
struct pmbus_msg msg = { 0 };
int ret;
if (data == NULL) {
pr_err("[iWare][Error] ivalid para, data is null point,\n");
return -EINVAL;
}
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
mutex_lock(&pmbus->lock);
msg.data = data;
msg.data_len = sizeof(u8);
hisi_pmbus_fill_msg(&msg, PMBUS_READ_BYTE, slave_addr, command);
ret = hisi_pmbus_xfer(pmbus, &msg);
if (ret != 0) {
mutex_unlock(&pmbus->lock);
return ret;
}
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_read_byte);
int kdrv_pmbus_read_word(u32 bus_id, u8 slave_addr, u16 command, u16 *data)
{
struct hisi_pmbus_data *pmbus = NULL;
struct pmbus_msg msg = { 0 };
int ret;
u8 tmp[2] = {0}; // 2个字节
if (data == NULL) {
pr_err("[iWare][Error] ivalid para, data is null point,\n");
return -EINVAL;
}
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
mutex_lock(&pmbus->lock);
msg.data = tmp;
msg.data_len = sizeof(u16);
hisi_pmbus_fill_msg(&msg, PMBUS_READ_WORD, slave_addr, command);
ret = hisi_pmbus_xfer(pmbus, &msg);
if (ret != 0) {
mutex_unlock(&pmbus->lock);
return ret;
}
*data = (((u16)tmp[1]) << 8) + ((u16)tmp[0]); // 高8位
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_read_word);
int kdrv_pmbus_write_block_data(u32 bus_id, u8 slave_addr, u16 command, u8 *pbuf, u32 len)
{
struct hisi_pmbus_data *pmbus = NULL;
struct pmbus_msg msg = { 0 };
int ret;
if ((pbuf == NULL) || (len == 0)) {
pr_err("[iWare][Error] para err: bus_id(%d),slave_addr(0x%x), len(%u)\n", bus_id, slave_addr, len);
return -EINVAL;
}
if (len > PMBUS_BLOCK_MAX) {
pr_err("[iWare][Error] para err: len(%u) exceed PMBUS_BLOCK_MAX(32)\n", len);
return -EINVAL;
}
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
mutex_lock(&pmbus->lock);
msg.data = pbuf;
msg.data_len = (u8)len;
hisi_pmbus_fill_msg(&msg, PMBUS_WRITE_BLOCK, slave_addr, command);
ret = hisi_pmbus_xfer(pmbus, &msg);
if (ret != 0) {
mutex_unlock(&pmbus->lock);
return ret;
}
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_write_block_data);
int kdrv_pmbus_read_block_data(u32 bus_id, u8 slave_addr, u16 command, u8 *pbuf, u32 len)
{
struct hisi_pmbus_data *pmbus = NULL;
struct pmbus_msg msg = { 0 };
int ret;
if ((pbuf == NULL) || (len == 0)) {
pr_err("[iWare][Error] para err: bus_id(%d),slave_addr(0x%x), len(%u)\n", bus_id, slave_addr, len);
return -EINVAL;
}
if (len > PMBUS_BLOCK_MAX) {
pr_err("[iWare][Error] para err: len(%u) exceed PMBUS_BLOCK_MAX(32)\n", len);
return -EINVAL;
}
pmbus = hisi_pmbus_data_get_by_id(bus_id);
if (pmbus == NULL) {
pr_err("[iWare][Error] get pmbus data fail: pmbus_id=%u,\n", bus_id);
return -EPERM;
}
mutex_lock(&pmbus->lock);
msg.data = pbuf;
msg.data_len = (u8)len;
hisi_pmbus_fill_msg(&msg, PMBUS_READ_BLOCK, slave_addr, command);
ret = hisi_pmbus_xfer(pmbus, &msg);
if (ret != 0) {
mutex_unlock(&pmbus->lock);
return ret;
}
mutex_unlock(&pmbus->lock);
return 0;
}
EXPORT_SYMBOL(kdrv_pmbus_read_block_data);
"
“测试步骤为
”insmod /lib/udrivers/hi309a_pmbus_api_test.ko
devmem 0xfa860204 w 0
devmem 0xfa860220 w 0
echo 3 1 0x70 0x21 0xf4 > /proc/pmbus_test （设置输出电压）
“
然后再设置输出电压之后报以下错误
[60585.219727] [iWare][Error] pmbus_write timeout! raw_int_status:0x10
[60585.227034] [iWare][Info] pmbus hang recovery done
[60585.231848] kdrv_pmbus_write_word fail bus_id:1, addr:0x70, cmd:0x21
hi309a /lib/udrivers # cat /proc/interrupts | grep i2c
87: 0 0 0 0 0 0 0 0 GICv3 294 Level hisi-i2c
88: 0 0 0 0 0 0 0 0 GICv3 295 Level hisi-i2c
89: 0 0 0 0 0 0 0 0 GICv3 297 Level hisi-i2c
90: 0 0 0 0 0 0 0 0 GICv3 298 Level hisi-i2c
91: 0 0 0 0 0 0 0 0 GICv3 299 Level hisi-i2c
92: 0 0 0 0 0 0 0 0 GICv3 300 Level hisi-i2c
93: 0 0 0 0 0 0 0 0 GICv3 301 Level hisi-i2c
94: 0 0 0 0 0 0 0 0 GICv3 686 Level hisi-i2c
95: 0 0 0 0 0 0 0 0 GICv3 687 Level hisi-i2c
hi309a /lib/udrivers # dmesg | grep -e "iWare" -e "PMBUS"
[ 10.511319] [iWare][Info] IOMUX register size (4 bytes)
[ 10.519453] hgpio fa540000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.526277] hgpio fa550000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.533075] hgpio fa560000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.539847] hgpio fa570000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.546656] hgpio fa580000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.553439] hgpio fa590000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.560210] hgpio fa5a0000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.567034] hgpio fa5b0000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.573814] hgpio faa90000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.580559] hgpio faaa0000.gpio: [iWare][Info] hisi_gpio_probe: start
[ 10.590111] hisi_spi_drv fa400000.spi: [iWare] can't get clk-freq, use default value
[ 10.597941] hisi_spi_drv fa400000.spi: [iWare][Info] [hisi spi_get_clk_rst_info] get rst clk success
[ 10.607234] hisi_spi_drv fa400000.spi: [iWare][Info] spi reset success
[ 10.614459] hisi_spi_drv fa410000.spi: [iWare] can't get clk-freq, use default value
[ 10.622295] hisi_spi_drv fa410000.spi: [iWare][Info] [hisi spi_get_clk_rst_info] get rst clk success
[ 10.631589] hisi_spi_drv fa410000.spi: [iWare][Info] spi reset success
[ 10.638791] hisi_spi_drv fa420000.spi: [iWare] can't get clk-freq, use default value
[ 10.646633] hisi_spi_drv fa420000.spi: [iWare][Info] [hisi spi_get_clk_rst_info] get rst clk success
[ 10.655934] hisi_spi_drv fa420000.spi: [iWare][Info] spi reset success
[ 10.663149] hisi_spi_drv fa430000.spi: [iWare] can't get clk-freq, use default value
[ 10.670998] hisi_spi_drv fa430000.spi: [iWare][Info] [hisi spi_get_clk_rst_info] get rst clk success
[ 10.680292] hisi_spi_drv fa430000.spi: [iWare][Info] spi reset success
[ 10.690479] hisi-i2c fa380000.i2c: [iWare][Info] hisi_i2c_probe start
[ 10.697006] hisi-i2c fa380000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 10.703944] hisi-i2c fa380000.i2c: [iWare][Info] get rst and clk from dts
[ 10.719963] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 10.732890] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 10.742442] hisi-i2c fa380000.i2c: [iWare][Info] hisi_i2c_probe end
[ 10.749010] hisi-i2c fa390000.i2c: [iWare][Info] hisi_i2c_probe start
[ 10.755526] hisi-i2c fa390000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 10.762448] hisi-i2c fa390000.i2c: [iWare][Info] get rst and clk from dts
[ 10.778437] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 10.791367] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 10.800891] hisi-i2c fa390000.i2c: [iWare][Info] hisi_i2c_probe end
[ 10.807415] hisi-i2c fa3b0000.i2c: [iWare][Info] hisi_i2c_probe start
[ 10.813923] hisi-i2c fa3b0000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 10.820847] hisi-i2c fa3b0000.i2c: [iWare][Info] get rst and clk from dts
[ 10.836836] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 10.849764] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 10.859275] hisi-i2c fa3b0000.i2c: [iWare][Info] hisi_i2c_probe end
[ 10.865787] hisi-i2c fa3c0000.i2c: [iWare][Info] hisi_i2c_probe start
[ 10.872298] hisi-i2c fa3c0000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 10.879223] hisi-i2c fa3c0000.i2c: [iWare][Info] get rst and clk from dts
[ 10.895207] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 10.908133] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 10.917641] hisi-i2c fa3c0000.i2c: [iWare][Info] hisi_i2c_probe end
[ 10.924135] hisi-i2c fa3d0000.i2c: [iWare][Info] hisi_i2c_probe start
[ 10.930644] hisi-i2c fa3d0000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 10.937559] hisi-i2c fa3d0000.i2c: [iWare][Info] get rst and clk from dts
[ 10.953538] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 10.966464] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 10.975986] hisi-i2c fa3d0000.i2c: [iWare][Info] hisi_i2c_probe end
[ 10.982483] hisi-i2c fa3e0000.i2c: [iWare][Info] hisi_i2c_probe start
[ 10.988993] hisi-i2c fa3e0000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 10.995908] hisi-i2c fa3e0000.i2c: [iWare][Info] get rst and clk from dts
[ 11.011896] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 11.024821] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 11.034336] hisi-i2c fa3e0000.i2c: [iWare][Info] hisi_i2c_probe end
[ 11.040848] hisi-i2c fa3f0000.i2c: [iWare][Info] hisi_i2c_probe start
[ 11.047359] hisi-i2c fa3f0000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 11.054275] hisi-i2c fa3f0000.i2c: [iWare][Info] get rst and clk from dts
[ 11.070263] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 11.083190] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 11.092704] hisi-i2c fa3f0000.i2c: [iWare][Info] hisi_i2c_probe end
[ 11.099221] hisi-i2c faab0000.i2c: [iWare][Info] hisi_i2c_probe start
[ 11.105733] hisi-i2c faab0000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 11.112649] hisi-i2c faab0000.i2c: [iWare][Info] get rst and clk from dts
[ 11.128636] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 11.141563] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 11.151068] hisi-i2c faab0000.i2c: [iWare][Info] hisi_i2c_probe end
[ 11.157580] hisi-i2c faac0000.i2c: [iWare][Info] hisi_i2c_probe start
[ 11.164093] hisi-i2c faac0000.i2c: [iWare][Info] i2c scl_high_ratio no cfg
[ 11.171009] hisi-i2c faac0000.i2c: [iWare][Info] get rst and clk from dts
[ 11.186998] [iWare][Info] hisi_i2c_calcu_cfg_cnt bus_freq_hz 100000, scl_fall_cnt 60 scl_rise_cnt 60 total_cnt 2000 scl_hcnt 920 scl_lcnt 1080
[ 11.199925] [iWare][Info] hisi_i2c_calcu_cfg_cnt sda_hold_cnt 80 spk_len 5 scl_hcnt 848 scl_lcnt 1019
[ 11.209444] hisi-i2c faac0000.i2c: [iWare][Info] hisi_i2c_probe end
[ 11.218700] pmbus_drv fa870000.pmbus0: [iWare][Info] hisi_pmbus_probe:start
[ 11.225815] pmbus_drv fa870000.pmbus0: [iWare][Info] clk_freq 200 bus_freq 100000 scl_high_ratio 50, timeout_ms 35 high_idle_us 100 hold_time_ns 625
[ 11.239267] pmbus_drv fa870000.pmbus0: [iWare][Info] avs_wr_unlock_key 0x5a5a5a5a pmbus_wr_unlock_key 0x5a5a5a5a i2c_unlock_key 0x5a5a5a5a
[ 11.251844] [iWare][Info] total_cnt 2000, hcnt=1000, lcnt=1000 hold_cnt=125, timeout_cnt=7000000, idle_cnt=20000,
[ 11.262158] pmbus_drv fa870000.pmbus0: [iWare][Info] hisi_pmbus_probe: end
[ 11.269205] pmbus_drv fa880000.pmbus1: [iWare][Info] hisi_pmbus_probe:start
[ 11.276309] pmbus_drv fa880000.pmbus1: [iWare][Info] clk_freq 200 bus_freq 100000 scl_high_ratio 50, timeout_ms 35 high_idle_us 100 hold_time_ns 625
[ 11.289760] pmbus_drv fa880000.pmbus1: [iWare][Info] avs_wr_unlock_key 0x5a5a5a5a pmbus_wr_unlock_key 0x5a5a5a5a i2c_unlock_key 0x5a5a5a5a
[ 11.302337] [iWare][Info] total_cnt 2000, hcnt=1000, lcnt=1000 hold_cnt=125, timeout_cnt=7000000, idle_cnt=20000,
[ 11.312651] pmbus_drv fa880000.pmbus1: [iWare][Info] hisi_pmbus_probe: end
[ 11.319689] pmbus_drv fa890000.pmbus2: [iWare][Info] hisi_pmbus_probe:start
[ 11.326788] pmbus_drv fa890000.pmbus2: [iWare][Info] clk_freq 200 bus_freq 100000 scl_high_ratio 50, timeout_ms 35 high_idle_us 100 hold_time_ns 625
[ 11.340247] pmbus_drv fa890000.pmbus2: [iWare][Info] avs_wr_unlock_key 0x5a5a5a5a pmbus_wr_unlock_key 0x5a5a5a5a i2c_unlock_key 0x5a5a5a5a
[ 11.352823] [iWare][Info] total_cnt 2000, hcnt=1000, lcnt=1000 hold_cnt=125, timeout_cnt=7000000, idle_cnt=20000,
[ 11.363138] pmbus_drv fa890000.pmbus2: [iWare][Info] hisi_pmbus_probe: end
[ 11.370173] pmbus_drv fa8a0000.pmbus3: [iWare][Info] hisi_pmbus_probe:start
[ 11.377269] pmbus_drv fa8a0000.pmbus3: [iWare][Info] clk_freq 200 bus_freq 100000 scl_high_ratio 50, timeout_ms 35 high_idle_us 100 hold_time_ns 625
[ 11.390720] pmbus_drv fa8a0000.pmbus3: [iWare][Info] avs_wr_unlock_key 0x5a5a5a5a pmbus_wr_unlock_key 0x5a5a5a5a i2c_unlock_key 0x5a5a5a5a
[ 11.403295] [iWare][Info] total_cnt 2000, hcnt=1000, lcnt=1000 hold_cnt=125, timeout_cnt=7000000, idle_cnt=20000,
[ 11.413609] pmbus_drv fa8a0000.pmbus3: [iWare][Info] hisi_pmbus_probe: end
[ 11.423408] sfc_drv fa5c0000.sfc0: [iWare][Info]sfc skip_host_reset 0, 0, 0, 0
[ 11.430719] sfc_drv fa5c0000.sfc0: [iWare][Info]clk_div= 2, hsfc->dummy_cnt= 4! 0, 0
[ 11.438504] sfc_drv fa5c0000.sfc0: [iWare][Info]hisi_sfc_register_nor! 0, 0, 0, 0
[ 11.446026] sfc_drv fa5c0000.sfc0: [iWare][Info]sfc-rx-bus-width = 1, 0, 0, 0
[ 11.453193] sfc_drv fa5c0000.sfc0: [iWare][Info]sfc-tx-bus-width = 1, 0, 0, 0
[ 11.466267] sfc_drv fa5c0000.sfc0: [iWare][Info]after spi_nor_scan read_proto(0x10101),write_proto(0x10101)addr_width(0x4),erase_op(0x21)
[ 11.478678] sfc_drv fa5c0000.sfc0: [iWare][Info]read_op(0x13), dummy(0x0),pp_op(0x12),erasesize 4096
[ 11.520738] sfc_drv fa5c0000.sfc0: [iWare][Info]hisi_sfc_register_nor! 0, 0, 0, 0
[ 11.528272] sfc_drv fa5c0000.sfc0: [iWare][Info]sfc-rx-bus-width = 1, 0, 0, 0
[ 11.535443] sfc_drv fa5c0000.sfc0: [iWare][Info]sfc-tx-bus-width = 1, 0, 0, 0
[ 11.550161] sfc_drv fa5c0000.sfc0: [iWare][Error]cs 1 spi_nor_scan fail! 0, 0, 0
[ 11.557594] sfc_drv fa5c0000.sfc0: [iWare][Error]hisi_sfc_register_nor fail! 0, 0, 0, 0
[ 11.565636] sfc_drv fa5c0000.sfc0: [iWare][Info]total_blk_num =16384, 0, 0, 0
[ 11.572806] [iWare][Info]hisi_sfc_dfx_count_init, use malloc mem! 0, 0, 0, 0
[ 11.579930] [iWare][Info]init_mem_area inited success! 0, 0, 0, 0
[ 11.586324] [iWare][Info]init_mem_area inited success! 0, 0, 0, 0
[ 11.600428] hilink serdes: [iWare][Info]clock_route_mode not config, use default mode 0, 0000
[ 11.609108] hilink serdes: [iWare][Info]lane 0 dfe_param not cfg! defalut dfe = <1 1> 000
[ 11.617414] hilink serdes: [iWare][Info]lane 1 dfe_param not cfg! defalut dfe = <1 1> 000
[ 11.625717] hilink serdes: [iWare][Info]lane 8 dfe_param not cfg! defalut dfe = <1 1> 000
[ 11.634020] hilink serdes: [iWare][Info]lane 9 dfe_param not cfg! defalut dfe = <1 1> 000
[ 11.649135] hilink serdes: [iWare][Info]hserdes->reset_mode 0, 000
[ 11.655377] [iWare][Info]chip0 sema_wr init ... pass!
[ 11.655383] [iWare][Info]chip_serdes_hardware_init ok
[ 11.665533] [iWare][Info]Serdes init from dts, lane_mask = 0x3ff pcie_gen4_link_mode=0 00
[ 11.673748] [iWare][Info]macro_id=2, pcie_cnt=2, sata_cnt=0, 0
[ 11.679699] [iWare][Info]macro_id=2 serdes_reinit, 000
[ 11.684948] [iWare][Info]serdes_reinit:macro_id=2 lane_id=0, mac_id 5 rate:11 pcie_mode 2, pcie_width 2
[ 11.694474] [iWare][Info]serdes_reinit:macro_id=2 lane_id=1, mac_id 5 rate:11 pcie_mode 2, pcie_width 2
[ 11.704009] [iWare][Info]hisds_cs_init_det match, sds_id 6 cs need init
[ 11.710658] [iWare][Info]hisds_cs_init_det match, sds_id 7 cs need init
[ 11.717325] [iWare][Info]chip30_serdes_par_init_process line 142 macro 2 powerup
[ 11.766898] [iWare][Info][macro_fw_init_calibration]Macro calibration success
[ 11.776892] [iWare][Info]Adapt Config success!
[ 11.776897] [iWare][Info]serdes_macro_init, macro_id=2 single_lane_init_mask=0xc 00
[ 11.789225] [iWare][Info]macro_id:2, lane:2,serdes_single_lane_init 00
[ 11.795875] [iWare][Info]chip_serdes_lane_init phy_sds_id 8 cs need init
[ 11.802699] [iWare][Info]csinfo: macro_id = 2, pll_id = 0, rate = 6, refclk = 156250, refclk_sel = 0, vco_freq = 15000000, hs_clk = 10000000, use_mode = 64
[ 11.821475] [iWare][Info]Clockslice calibration success!
[ 11.827123] [iWare][Info]ds 2 firmware reset success!
[ 11.840429] [iWare][Info]macro_id:2, lane:3,serdes_single_lane_init 00
[ 11.852146] [iWare][Info]chip_serdes_lane_init phy_sds_id 9 cs no need init
[ 11.859238] [iWare][Info]ds 3 firmware reset success!
[ 11.873344] [iWare][Info]macro_id=0, pcie_cnt=0, sata_cnt=0, 0
[ 11.884364] [iWare][Info]macro_id=0 serdes_reinit, 000
[ 11.889613] [iWare][Info]serdes_reinit:macro_id=0 lane_id=0, mac_id 4 rate:2 pcie_mode 0, pcie_width 0
[ 11.899048] [iWare][Info]serdes_reinit:macro_id=0 lane_id=1, mac_id 5 rate:2 pcie_mode 0, pcie_width 0
[ 11.908483] [iWare][Info]serdes_reinit:macro_id=0 lane_id=2, mac_id 0 rate:18 pcie_mode 0, pcie_width 0
[ 11.918006] [iWare][Info]serdes_reinit:macro_id=0 lane_id=3, mac_id 1 rate:18 pcie_mode 0, pcie_width 0
[ 11.927536] [iWare][Info]hisds_cs_init_det match, sds_id 0 cs need init
[ 11.934183] [iWare][Info]hisds_cs_init_det match, sds_id 1 cs need init
[ 11.940830] [iWare][Info]hisds_cs_init_det match, sds_id 2 cs need init
[ 11.947476] [iWare][Info]hisds_cs_init_det match, sds_id 3 cs need init
[ 11.954142] [iWare][Info]chip30_serdes_par_init_process line 142 macro 0 powerup
[ 12.008900] [iWare][Info][macro_fw_init_calibration]Macro calibration success
[ 12.018886] [iWare][Info]Adapt Config success!
[ 12.018890] [iWare][Info]serdes_macro_init, macro_id=0 single_lane_init_mask=0x0 00
[ 12.031220] [iWare][Info]macro_id=1, pcie_cnt=1, sata_cnt=1, 0
[ 12.037168] [iWare][Info]macro_id=1 serdes_reinit, 000
[ 12.042417] [iWare][Info]serdes_reinit:macro_id=1 lane_id=1, mac_id 0 rate:13 pcie_mode 2, pcie_width 1
[ 12.051947] [iWare][Info]hisds_cs_init_det match, sds_id 5 cs need init
[ 12.058614] [iWare][Info]chip30_serdes_par_init_process line 142 macro 1 powerup
[ 12.109900] [iWare][Info][macro_fw_init_calibration]Macro calibration success
[ 12.119886] [iWare][Info]Adapt Config success!
[ 12.119890] [iWare][Info]serdes_macro_init, macro_id=1 single_lane_init_mask=0x1 00
[ 12.132220] [iWare][Info]macro_id:1, lane:0,serdes_single_lane_init 00
[ 12.138866] [iWare][Info]chip_serdes_lane_init phy_sds_id 4 cs need init
[ 12.145690] [iWare][Info]csinfo: macro_id = 1, pll_id = 0, rate = 17, refclk = 100000, refclk_sel = 1, vco_freq = 12000000, hs_clk = 6000000, use_mode = 2
[ 12.164643] [iWare][Info]Clockslice calibration success!
[ 12.170081] [iWare][Info]ds 0 firmware reset success!
[ 12.181352] [iWare][Info]serdes_ds_dfe_init: macro(0) ds(0) dfe init 1 1
[ 12.193266] [iWare][Info]serdes_ds_dfe_init: macro(0) ds(1) dfe init 1 1
[ 12.200006] [iWare][Info]serdes_ds_dfe_init: macro(2) ds(2) dfe init 1 1
[ 12.206846] [iWare][Info]serdes_ds_dfe_init: macro(2) ds(3) dfe init 1 1
[ 12.217692] udrv-pcie b00000000.pcie: [iWare] no declare type support, default rp mode
[ 12.240709] [iWare][Info] host_id: 0x0
[ 12.244913] [iWare][Info] host_support_type_mask: 0x2
[ 12.249989] [iWare][Info] core_version: 0x0
[ 12.254190] [iWare][Info] msi_irq: 0x45
[ 12.258479] [iWare][Info] clk_num: 0x2
[ 12.262681] [iWare][Info] rst_num: 0x1
[ 12.266884] [iWare][Info] port_id: 0x0
[ 12.271085] [iWare][Info] port_type: 0x1
[ 12.275286] [iWare][Info] lport_id: 0x0
[ 12.279487] [iWare][Info] idr: 0x0
[ 12.283689] [iWare][Info] core_id: 0x0
[ 12.287891] [iWare][Info] lane_num: 0x1
[ 12.292092] [iWare][Info] target_speed: 0x1
[ 12.296294] [iWare][Info] max_lanes: 0x1
[ 12.300495] [iWare][Info] max_speed: 0x3
[ 12.304697] [iWare][Info] is_probe: 0x1
[ 12.308898] [iWare][Info] size = 0x1f800000 atu_mode = 0x0
[ 12.424354] udrv-pcie b00000000.pcie: [iWare][Info] msi#0 address_hi 0x0 address_lo 0x700000
[ 12.432847] udrv-pcie b00000000.pcie: [iWare][Info] msi#1 address_hi 0x0 address_lo 0x700000
[ 12.441324] udrv-pcie b00000000.pcie: [iWare][Info] msi#2 address_hi 0x0 address_lo 0x700000
[ 12.449801] udrv-pcie b00000000.pcie: [iWare][Info] msi#3 address_hi 0x0 address_lo 0x700000
[ 12.458278] udrv-pcie b00000000.pcie: [iWare][Info] msi#4 address_hi 0x0 address_lo 0x700000
[ 12.466755] udrv-pcie b00000000.pcie: [iWare][Info] msi#5 address_hi 0x0 address_lo 0x700000
[ 12.475232] udrv-pcie b00000000.pcie: [iWare][Info] msi#6 address_hi 0x0 address_lo 0x700000
[ 12.483708] udrv-pcie b00000000.pcie: [iWare][Info] msi#7 address_hi 0x0 address_lo 0x700000
[ 12.492185] udrv-pcie b00000000.pcie: [iWare][Info] msi#8 address_hi 0x0 address_lo 0x700000
[ 12.500662] udrv-pcie b00000000.pcie: [iWare][Info] msi#9 address_hi 0x0 address_lo 0x700000
[ 12.509139] udrv-pcie b00000000.pcie: [iWare][Info] msi#10 address_hi 0x0 address_lo 0x700000
[ 12.517703] udrv-pcie b00000000.pcie: [iWare][Info] msi#11 address_hi 0x0 address_lo 0x700000
[ 12.526267] udrv-pcie b00000000.pcie: [iWare][Info] msi#12 address_hi 0x0 address_lo 0x700000
[ 12.534830] udrv-pcie b00000000.pcie: [iWare][Info] msi#13 address_hi 0x0 address_lo 0x700000
[ 12.543394] udrv-pcie b00000000.pcie: [iWare][Info] msi#14 address_hi 0x0 address_lo 0x700000
[ 12.551958] udrv-pcie b00000000.pcie: [iWare][Info] msi#15 address_hi 0x0 address_lo 0x700000
[ 12.560521] udrv-pcie b00000000.pcie: [iWare][Info] msi#16 address_hi 0x0 address_lo 0x700000
[ 12.569085] udrv-pcie b00000000.pcie: [iWare][Info] msi#17 address_hi 0x0 address_lo 0x700000
[ 12.577648] udrv-pcie b00000000.pcie: [iWare][Info] msi#18 address_hi 0x0 address_lo 0x700000
[ 12.586212] udrv-pcie b00000000.pcie: [iWare][Info] msi#19 address_hi 0x0 address_lo 0x700000
[ 12.594775] udrv-pcie b00000000.pcie: [iWare][Info] msi#20 address_hi 0x0 address_lo 0x700000
[ 12.603349] udrv-pcie b00000000.pcie: [iWare][Info] msi#21 address_hi 0x0 address_lo 0x700000
[ 12.611914] udrv-pcie b00000000.pcie: [iWare][Info] msi#22 address_hi 0x0 address_lo 0x700000
[ 12.620478] udrv-pcie b00000000.pcie: [iWare][Info] msi#23 address_hi 0x0 address_lo 0x700000
[ 12.629042] udrv-pcie b00000000.pcie: [iWare][Info] msi#24 address_hi 0x0 address_lo 0x700000
[ 12.637606] udrv-pcie b00000000.pcie: [iWare][Info] msi#25 address_hi 0x0 address_lo 0x700000
[ 12.646170] udrv-pcie b00000000.pcie: [iWare][Info] msi#26 address_hi 0x0 address_lo 0x700000
[ 12.654734] udrv-pcie b00000000.pcie: [iWare][Info] msi#27 address_hi 0x0 address_lo 0x700000
[ 12.663297] udrv-pcie b00000000.pcie: [iWare][Info] msi#28 address_hi 0x0 address_lo 0x700000
[ 12.671860] udrv-pcie b00000000.pcie: [iWare][Info] msi#29 address_hi 0x0 address_lo 0x700000
[ 12.680423] udrv-pcie b00000000.pcie: [iWare][Info] msi#30 address_hi 0x0 address_lo 0x700000
[ 12.688987] udrv-pcie b00000000.pcie: [iWare][Info] msi#31 address_hi 0x0 address_lo 0x700000
[ 12.698007] udrv-pcie b00000000.pcie: [iWare][Info] msi#0 address_hi 0x0 address_lo 0x700000
[ 12.732152] udrv-pcie b20000000.pcie: [iWare] no declare type support, default rp mode
[ 12.755170] [iWare][Info] host_id: 0x1
[ 12.759376] [iWare][Info] host_support_type_mask: 0x2
[ 12.764450] [iWare][Info] core_version: 0x0
[ 12.768651] [iWare][Info] msi_irq: 0x46
[ 12.772941] [iWare][Info] clk_num: 0x2
[ 12.777142] [iWare][Info] rst_num: 0x1
[ 12.781345] [iWare][Info] port_id: 0x0
[ 12.785546] [iWare][Info] port_type: 0x1
[ 12.789749] [iWare][Info] lport_id: 0x1
[ 12.793951] [iWare][Info] idr: 0x1
[ 12.798153] [iWare][Info] core_id: 0x0
[ 12.802355] [iWare][Info] lane_num: 0x1
[ 12.806558] [iWare][Info] target_speed: 0x1
[ 12.810759] [iWare][Info] max_lanes: 0x1
[ 12.814962] [iWare][Info] max_speed: 0x3
[ 12.819163] [iWare][Info] is_probe: 0x0
[ 12.823366] [iWare][Info] size = 0x1f800000 atu_mode = 0x0
[ 12.861135] udrv-pcie b40000000.pcie: [iWare] no declare type support, default rp mode
[ 12.884117] [iWare][Info] host_id: 0x2
[ 12.888323] [iWare][Info] host_support_type_mask: 0x2
[ 12.893399] [iWare][Info] core_version: 0x0
[ 12.897601] [iWare][Info] msi_irq: 0x47
[ 12.901891] [iWare][Info] clk_num: 0x2
[ 12.906092] [iWare][Info] rst_num: 0x1
[ 12.910295] [iWare][Info] port_id: 0x0
[ 12.914496] [iWare][Info] port_type: 0x1
[ 12.918699] [iWare][Info] lport_id: 0x2
[ 12.922901] [iWare][Info] idr: 0x2
[ 12.927103] [iWare][Info] core_id: 0x0
[ 12.931305] [iWare][Info] lane_num: 0x1
[ 12.935507] [iWare][Info] target_speed: 0x1
[ 12.939708] [iWare][Info] max_lanes: 0x1
[ 12.943911] [iWare][Info] max_speed: 0x3
[ 12.948114] [iWare][Info] is_probe: 0x0
[ 12.952317] [iWare][Info] size = 0x1f800000 atu_mode = 0x0
[ 12.990050] udrv-pcie b60000000.pcie: [iWare] no declare type support, default rp mode
[ 13.013032] [iWare][Info] host_id: 0x3
[ 13.017238] [iWare][Info] host_support_type_mask: 0x2
[ 13.022313] [iWare][Info] core_version: 0x0
[ 13.026515] [iWare][Info] msi_irq: 0x48
[ 13.030804] [iWare][Info] clk_num: 0x2
[ 13.035006] [iWare][Info] rst_num: 0x1
[ 13.039209] [iWare][Info] port_id: 0x0
[ 13.043410] [iWare][Info] port_type: 0x1
[ 13.047611] [iWare][Info] lport_id: 0x3
[ 13.051813] [iWare][Info] idr: 0x3
[ 13.056015] [iWare][Info] core_id: 0x0
[ 13.060217] [iWare][Info] lane_num: 0x1
[ 13.064420] [iWare][Info] target_speed: 0x1
[ 13.068622] [iWare][Info] max_lanes: 0x1
[ 13.072825] [iWare][Info] max_speed: 0x3
[ 13.077027] [iWare][Info] is_probe: 0x0
[ 13.081230] [iWare][Info] size = 0x1f800000 atu_mode = 0x0
[ 13.118957] udrv-pcie b80000000.pcie: [iWare] no declare type support, default rp mode
[ 13.141928] [iWare][Info] host_id: 0x4
[ 13.146133] [iWare][Info] host_support_type_mask: 0x2
[ 13.151208] [iWare][Info] core_version: 0x0
[ 13.155410] [iWare][Info] msi_irq: 0x49
[ 13.159700] [iWare][Info] clk_num: 0x2
[ 13.163903] [iWare][Info] rst_num: 0x1
[ 13.168105] [iWare][Info] port_id: 0x0
[ 13.172308] [iWare][Info] port_type: 0x1
[ 13.176511] [iWare][Info] lport_id: 0x4
[ 13.180713] [iWare][Info] idr: 0x4
[ 13.184915] [iWare][Info] core_id: 0x0
[ 13.189118] [iWare][Info] lane_num: 0x2
[ 13.193320] [iWare][Info] target_speed: 0x1
[ 13.197522] [iWare][Info] max_lanes: 0x1
[ 13.201724] [iWare][Info] max_speed: 0x3
[ 13.205927] [iWare][Info] is_probe: 0x0
[ 13.210130] [iWare][Info] size = 0x1f800000 atu_mode = 0x0
[ 13.247854] udrv-pcie ba0000000.pcie: [iWare] no declare type support, default rp mode
[ 13.270833] [iWare][Info] host_id: 0x5
[ 13.275037] [iWare][Info] host_support_type_mask: 0x2
[ 13.280112] [iWare][Info] core_version: 0x0
[ 13.284315] [iWare][Info] msi_irq: 0x4a
[ 13.288605] [iWare][Info] clk_num: 0x2
[ 13.292807] [iWare][Info] rst_num: 0x1
[ 13.297010] [iWare][Info] port_id: 0x0
[ 13.301213] [iWare][Info] port_type: 0x1
[ 13.305415] [iWare][Info] lport_id: 0x5
[ 13.309617] [iWare][Info] idr: 0x5
[ 13.313820] [iWare][Info] core_id: 0x0
[ 13.318021] [iWare][Info] lane_num: 0x2
[ 13.322224] [iWare][Info] target_speed: 0x3
[ 13.326426] [iWare][Info] max_lanes: 0x2
[ 13.330629] [iWare][Info] max_speed: 0x3
[ 13.334832] [iWare][Info] is_probe: 0x1
[ 13.339034] [iWare][Info] size = 0x1f800000 atu_mode = 0x0
[ 13.454261] udrv-pcie ba0000000.pcie: [iWare][Info] msi#0 address_hi 0x0 address_lo 0x700000
[ 13.462754] udrv-pcie ba0000000.pcie: [iWare][Info] msi#1 address_hi 0x0 address_lo 0x700000
[ 13.471233] udrv-pcie ba0000000.pcie: [iWare][Info] msi#2 address_hi 0x0 address_lo 0x700000
[ 13.479711] udrv-pcie ba0000000.pcie: [iWare][Info] msi#3 address_hi 0x0 address_lo 0x700000
[ 13.488189] udrv-pcie ba0000000.pcie: [iWare][Info] msi#4 address_hi 0x0 address_lo 0x700000
[ 13.496666] udrv-pcie ba0000000.pcie: [iWare][Info] msi#5 address_hi 0x0 address_lo 0x700000
[ 13.505144] udrv-pcie ba0000000.pcie: [iWare][Info] msi#6 address_hi 0x0 address_lo 0x700000
[ 13.513622] udrv-pcie ba0000000.pcie: [iWare][Info] msi#7 address_hi 0x0 address_lo 0x700000
[ 13.522099] udrv-pcie ba0000000.pcie: [iWare][Info] msi#8 address_hi 0x0 address_lo 0x700000
[ 13.530577] udrv-pcie ba0000000.pcie: [iWare][Info] msi#9 address_hi 0x0 address_lo 0x700000
[ 13.539054] udrv-pcie ba0000000.pcie: [iWare][Info] msi#10 address_hi 0x0 address_lo 0x700000
[ 13.547619] udrv-pcie ba0000000.pcie: [iWare][Info] msi#11 address_hi 0x0 address_lo 0x700000
[ 13.556183] udrv-pcie ba0000000.pcie: [iWare][Info] msi#12 address_hi 0x0 address_lo 0x700000
[ 13.564748] udrv-pcie ba0000000.pcie: [iWare][Info] msi#13 address_hi 0x0 address_lo 0x700000
[ 13.573312] udrv-pcie ba0000000.pcie: [iWare][Info] msi#14 address_hi 0x0 address_lo 0x700000
[ 13.581877] udrv-pcie ba0000000.pcie: [iWare][Info] msi#15 address_hi 0x0 address_lo 0x700000
[ 13.590446] udrv-pcie ba0000000.pcie: [iWare][Info] msi#16 address_hi 0x0 address_lo 0x700000
[ 13.599010] udrv-pcie ba0000000.pcie: [iWare][Info] msi#17 address_hi 0x0 address_lo 0x700000
[ 13.607575] udrv-pcie ba0000000.pcie: [iWare][Info] msi#18 address_hi 0x0 address_lo 0x700000
[ 13.616139] udrv-pcie ba0000000.pcie: [iWare][Info] msi#19 address_hi 0x0 address_lo 0x700000
[ 13.624703] udrv-pcie ba0000000.pcie: [iWare][Info] msi#20 address_hi 0x0 address_lo 0x700000
[ 13.633268] udrv-pcie ba0000000.pcie: [iWare][Info] msi#21 address_hi 0x0 address_lo 0x700000
[ 13.641832] udrv-pcie ba0000000.pcie: [iWare][Info] msi#22 address_hi 0x0 address_lo 0x700000
[ 13.650397] udrv-pcie ba0000000.pcie: [iWare][Info] msi#23 address_hi 0x0 address_lo 0x700000
[ 13.658961] udrv-pcie ba0000000.pcie: [iWare][Info] msi#24 address_hi 0x0 address_lo 0x700000
[ 13.667525] udrv-pcie ba0000000.pcie: [iWare][Info] msi#25 address_hi 0x0 address_lo 0x700000
[ 13.676090] udrv-pcie ba0000000.pcie: [iWare][Info] msi#26 address_hi 0x0 address_lo 0x700000
[ 13.684654] udrv-pcie ba0000000.pcie: [iWare][Info] msi#27 address_hi 0x0 address_lo 0x700000
[ 13.693219] udrv-pcie ba0000000.pcie: [iWare][Info] msi#28 address_hi 0x0 address_lo 0x700000
[ 13.701783] udrv-pcie ba0000000.pcie: [iWare][Info] msi#29 address_hi 0x0 address_lo 0x700000
[ 13.710348] udrv-pcie ba0000000.pcie: [iWare][Info] msi#30 address_hi 0x0 address_lo 0x700000
[ 13.718913] udrv-pcie ba0000000.pcie: [iWare][Info] msi#31 address_hi 0x0 address_lo 0x700000
[ 13.727925] udrv-pcie ba0000000.pcie: [iWare][Info] msi#0 address_hi 0x0 address_lo 0x700000
[ 13.762078] udrv-pcie bc0000000.pcie: [iWare] no declare type support, default rp mode
[ 13.785069] [iWare][Info] host_id: 0x6
[ 13.789272] [iWare][Info] host_support_type_mask: 0x2
[ 13.794348] [iWare][Info] core_version: 0x0
[ 13.798549] [iWare][Info] msi_irq: 0x4b
[ 13.802839] [iWare][Info] clk_num: 0x2
[ 13.807040] [iWare][Info] rst_num: 0x1
[ 13.811242] [iWare][Info] port_id: 0x0
[ 13.815443] [iWare][Info] port_type: 0x1
[ 13.819644] [iWare][Info] lport_id: 0x6
[ 13.823845] [iWare][Info] idr: 0x6
[ 13.828047] [iWare][Info] core_id: 0x0
[ 13.832248] [iWare][Info] lane_num: 0x1
[ 13.836450] [iWare][Info] target_speed: 0x1
[ 13.840651] [iWare][Info] max_lanes: 0x1
[ 13.844852] [iWare][Info] max_speed: 0x3
[ 13.849053] [iWare][Info] is_probe: 0x0
[ 13.853256] [iWare][Info] size = 0x1f800000 atu_mode = 0x0
[ 13.891008] udrv-pcie be0000000.pcie: [iWare] no declare type support, default rp mode
[ 13.913979] [iWare][Info] host_id: 0x7
[ 13.918183] [iWare][Info] host_support_type_mask: 0x2
[ 13.923257] [iWare][Info] core_version: 0x0
[ 13.927458] [iWare][Info] msi_irq: 0x4c
[ 13.931747] [iWare][Info] clk_num: 0x2
[ 13.935948] [iWare][Info] rst_num: 0x1
[ 13.940149] [iWare][Info] port_id: 0x0
[ 13.944350] [iWare][Info] port_type: 0x1
[ 13.948551] [iWare][Info] lport_id: 0x7
[ 13.952753] [iWare][Info] idr: 0x7
[ 13.956955] [iWare][Info] core_id: 0x0
[ 13.961156] [iWare][Info] lane_num: 0x1
[ 13.965357] [iWare][Info] target_speed: 0x1
[ 13.969558] [iWare][Info] max_lanes: 0x1
[ 13.973758] [iWare][Info] max_speed: 0x3
[ 13.977961] [iWare][Info] is_probe: 0x0
[ 13.982163] [iWare][Info] size = 0x1f800000 atu_mode = 0x0
[ 14.022852] sata_hisi d8500000.sata_dfx: [iWare][Info] get rst and clk from dts
[ 14.030355] [iWare][Info]set tx_bitorder 0 , rx_bitorder 1
[ 14.038323] [iWare][Info] udrv log init ok
[ 14.093780] usb_hisi usb_hisi_0: [iWare] no misc base
[ 14.099241] usb_hisi usb_hisi_1: [iWare] no misc base
[ 371.687427] [iWare][Error] pmbus_write timeout! raw_int_status:0x10
[ 371.694731] [iWare][Info] pmbus hang recovery done
[ 2064.422683] [iWare][Error] pmbus_write timeout! raw_int_status:0x10
[ 2064.429992] [iWare][Info] pmbus hang recovery done
[ 2069.219986] [iWare][Error] wait read_finish timeout!! read_len[2] fifo num[0], raw_int_status:0x10
[ 2069.229992] [iWare][Info] pmbus hang recovery done
[ 2069.234807] [iWare][Error] pmbus_read_bytes_v200 slave_addr(0x70), cmd(0x8b), time out
[ 2069.243769] [iWare][Info] pmbus hang recovery done
[ 2085.989229] [iWare][Error] pmbus_write timeout! raw_int_status:0x10
[ 2085.996530] [iWare][Info] pmbus hang recovery done
hi309a /lib/udrivers # timed out waiting for input: auto-logoutprocess '/sbin/getty 115200 ttyS0' (pid 670) exited. Scheduling for restart.
starting pid 692, tty '/dev/ttyS0': '/sbin/getty 115200 ttyS0'
openEuler Embedded(openEuler Embedded Reference Distro) 24.03-LTS hi309a /dev/ttyS0
______ _
| ____| | |
___ ____ ___ _____| |__ _ _| | ___ _ __
/ _ \| _ \ / _ \ _ | __|| | | | |/ _ \ '__|
| (_) | |_) | __/ | | | |___| |_| | | __/ |
\___/| __/ \___|_| |_|______\____|_|\___|_|
| | _____ _ _ _ _
|_| | __|_____| |_ ___ _| |_| |___ _| |
| __| | . | -_| . | . | -_| . |
|_____|_|_|_|___|___|___|___|___|___|
Authorized uses only. All activity may be monitored and reported.
监控总线状态打印如上
请根据以上几段代码，帮我分析我出现kdrv_pmbus_write_word fail bus_id:1, addr:0x70, cmd:0x21的原因可能是什么，并给出完整解决方案”
本文介绍在Linux环境下如何编译和加载自定义内核模块。通过具体步骤展示从源代码编译到模块加载的过程，并验证模块是否成功加载。
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