static int mrst_set_time(struct device *dev, struct rtc_time *time)
{
int ret;
unsigned long flags;
unsigned char mon, day, hrs, min, sec;
unsigned int yrs;
yrs = time->tm_year;
mon = time->tm_mon + 1; /* tm_mon starts at zero */
day = time->tm_mday;
hrs = time->tm_hour;
min = time->tm_min;
sec = time->tm_sec;
if (yrs < 72 || yrs > 138)
return -EINVAL;
yrs -= 72;
spin_lock_irqsave(&rtc_lock, flags);
vrtc_cmos_write(yrs, RTC_YEAR);
vrtc_cmos_write(mon, RTC_MONTH);
vrtc_cmos_write(day, RTC_DAY_OF_MONTH);
vrtc_cmos_write(hrs, RTC_HOURS);
vrtc_cmos_write(min, RTC_MINUTES);
vrtc_cmos_write(sec, RTC_SECONDS);
spin_unlock_irqrestore(&rtc_lock, flags);
ret = intel_scu_ipc_simple_command(IPCMSG_VRTC, IPC_CMD_VRTC_SETTIME);
return ret;
}
/* FIXME: Need to start the counter only if debug is
* needed. This will save SCU cycles if debug is
* disabled
*/
static int __init start_scu_s0ix_res_counters(void)
{
int ret;
ret = intel_scu_ipc_simple_command(START_RES_COUNTER, 0);
if (ret) {
pr_err("IPC command to start res counter failed\n");
BUG();
return ret;
}
return 0;
}
int update_persistent_clock(struct timespec now)
{
unsigned long flags;
int retval;
spin_lock_irqsave(&rtc_lock, flags);
retval = x86_platform.set_wallclock(now.tv_sec);
spin_unlock_irqrestore(&rtc_lock, flags);
#ifdef CONFIG_X86_INTEL_MID
if (!retval)
retval = intel_scu_ipc_simple_command(
IPCMSG_VRTC, IPC_CMD_VRTC_SETTIME);
#endif
return retval;
}
static int mrst_set_alarm(struct device *dev, struct rtc_wkalrm *t)
{
struct mrst_rtc *mrst = dev_get_drvdata(dev);
unsigned char hrs, min, sec;
int ret = 0;
if (!mrst->irq)
return -EIO;
hrs = t->time.tm_hour;
min = t->time.tm_min;
sec = t->time.tm_sec;
spin_lock_irq(&rtc_lock);
/* Next rtc irq must not be from previous alarm setting */
mrst_irq_disable(mrst, RTC_AIE);
/* Update alarm */
vrtc_cmos_write(hrs, RTC_HOURS_ALARM);
vrtc_cmos_write(min, RTC_MINUTES_ALARM);
vrtc_cmos_write(sec, RTC_SECONDS_ALARM);
spin_unlock_irq(&rtc_lock);
ret = intel_scu_ipc_simple_command(IPCMSG_VRTC, IPC_CMD_VRTC_SETALARM);
if (ret)
return ret;
spin_lock_irq(&rtc_lock);
if (t->enabled)
mrst_irq_enable(mrst, RTC_AIE);
spin_unlock_irq(&rtc_lock);
return 0;
}
static int __init intel_fw_logging_init(void)
{
int length = 0;
oshob_base = get_oshob_addr();
if (oshob_base == NULL)
return -EINVAL;
length = create_fwerr_log(log_buffer, oshob_base);
if (length != 0) {
#ifdef CONFIG_PROC_FS
ipanic_faberr = create_proc_entry("ipanic_fabric_err",
S_IFREG | S_IRUGO, NULL);
if (ipanic_faberr == 0) {
pr_err("Fail creating procfile ipanic_fabric_err\n");
return -ENOMEM;
}
ipanic_faberr->read_proc = intel_fw_logging_proc_read;
ipanic_faberr->write_proc = NULL;
ipanic_faberr->size = length;
#endif /* CONFIG_PROC_FS */
/* Dump log as error to console */
pr_err("%s", log_buffer);
/* Clear fabric error region inside OSHOB if neccessary */
intel_scu_ipc_simple_command(IPCMSG_CLEAR_FABERROR, 0);
}
iounmap(oshob_base);
return 0;
}
static int pmic_scu_ipc_set_charger(int charger)
{
return intel_scu_ipc_simple_command(IPCMSG_BATTERY, charger);
}
static void mrst_reboot(void)
{
intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
}
static void __noreturn intel_mid_reboot(void)
{
intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
BUG();
}
void intel_mid_power_off(void)
{
intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 1);
}
static int __init intel_fw_logging_init(void)
{
int length = 0;
int err = 0;
u32 scu_trace_size;
u32 trace_size;
oshob_base = get_oshob_addr();
if (oshob_base == NULL)
return -EINVAL;
/*
* Calculate size of SCU extra trace buffer. Size of the buffer
* is given by SCU. Make sanity check in case of incorrect data.
* We don't want to allocate all of the memory for trace dump.
*/
trace_size = intel_scu_ipc_get_scu_trace_buffer_size();
if (trace_size > MAX_SCU_EXTRA_DUMP_SIZE)
trace_size = 0;
/*
* Buffer size is in bytes. We will dump 32-bit hex values + header.
* Calculate number of lines and assume constant number of
* characters per line.
*/
scu_trace_size = ((trace_size / sizeof(u32)) + 2) *
CHAR_PER_LINE_EXTRA_TRACE;
/* Allocate buffer for traditional trace and extra trace */
log_buffer = vzalloc(MAX_FULL_SIZE + scu_trace_size);
if (!log_buffer) {
err = -ENOMEM;
goto err_nomem;
}
length = create_fwerr_log(log_buffer, oshob_base);
if (!length)
goto err_nolog;
length = dump_scu_extented_trace(log_buffer, length,
trace_size);
#ifdef CONFIG_PROC_FS
ipanic_faberr = create_proc_entry("ipanic_fabric_err",
S_IFREG | S_IRUGO, NULL);
if (ipanic_faberr == 0) {
pr_err("Fail creating procfile ipanic_fabric_err\n");
err = -ENOMEM;
goto err_procfail;
}
ipanic_faberr->read_proc = intel_fw_logging_proc_read;
ipanic_faberr->write_proc = NULL;
ipanic_faberr->size = length;
#endif /* CONFIG_PROC_FS */
/* Dump log as error to console */
pr_err("%s", log_buffer);
/* Clear fabric error region inside OSHOB if neccessary */
intel_scu_ipc_simple_command(IPCMSG_CLEAR_FABERROR, 0);
goto leave;
err_procfail:
err_nolog:
vfree(log_buffer);
err_nomem:
leave:
iounmap(oshob_base);
return err;
}