static int arisc_wait_ready(unsigned int timeout)
{
/* wait arisc startup ready */
while (1) {
/*
* linux cpu interrupt is disable now,
* we should query message by hand.
*/
struct arisc_message *pmessage = arisc_hwmsgbox_query_message();
if (pmessage == NULL) {
/* try to query again */
continue;
}
/* query valid message */
if (pmessage->type == ARISC_STARTUP_NOTIFY) {
/* check arisc software and driver version match or not */
if (pmessage->paras[0] != ARISC_VERSIONS) {
ARISC_ERR("arisc firmware:%d and driver version:%u not matched\n", pmessage->paras[0], ARISC_VERSIONS);
return -EINVAL;
} else {
/* printf the main and sub version string */
memcpy((void *)arisc_version, (const void*)(&(pmessage->paras[1])), 40);
ARISC_LOG("arisc version: [%s]\n", arisc_version);
}
/* received arisc startup ready message */
ARISC_INF("arisc startup ready\n");
if ((pmessage->attr & ARISC_MESSAGE_ATTR_SOFTSYN) ||
(pmessage->attr & ARISC_MESSAGE_ATTR_HARDSYN)) {
/* synchronous message, just feedback it */
ARISC_INF("arisc startup notify message feedback\n");
pmessage->paras[0] = (uint32_t)dts_cfg.image.base;
arisc_hwmsgbox_feedback_message(pmessage, ARISC_SEND_MSG_TIMEOUT);
} else {
/* asyn message, free message directly */
ARISC_INF("arisc startup notify message free directly\n");
arisc_message_free(pmessage);
}
break;
}
/*
* invalid message detected, ignore it.
* by superm at 2012-7-6 18:34:38.
*/
ARISC_WRN("arisc startup waiting ignore message\n");
if ((pmessage->attr & ARISC_MESSAGE_ATTR_SOFTSYN) ||
(pmessage->attr & ARISC_MESSAGE_ATTR_HARDSYN)) {
/* synchronous message, just feedback it */
arisc_hwmsgbox_send_message(pmessage, ARISC_SEND_MSG_TIMEOUT);
} else {
/* asyn message, free message directly */
arisc_message_free(pmessage);
}
/* we need waiting continue */
}
return 0;
}
static int arisc_wait_ready(unsigned int timeout)
{
unsigned long expire;
#ifdef CONFIG_SUNXI_MODULE
struct sunxi_module_info arisc_module_info;
#endif
expire = msecs_to_jiffies(timeout) + jiffies;
/* wait arisc startup ready */
while (1) {
/*
* linux cpu interrupt is disable now,
* we should query message by hand.
*/
struct arisc_message *pmessage = arisc_hwmsgbox_query_message();
if (pmessage == NULL) {
if (time_is_before_eq_jiffies(expire)) {
return -ETIMEDOUT;
}
/* try to query again */
continue;
}
/* query valid message */
if (pmessage->type == ARISC_STARTUP_NOTIFY) {
/* check arisc software and driver version match or not */
if (pmessage->paras[0] != ARISC_VERSIONS) {
ARISC_ERR("arisc firmware:%d and driver version:%d not matched\n", pmessage->paras[0], ARISC_VERSIONS);
return -EINVAL;
} else {
/* printf the main and sub version string */
memcpy((void *)arisc_version, (const void*)(&(pmessage->paras[1])), 40);
ARISC_LOG("arisc version: [%s]\n", arisc_version);
#ifdef CONFIG_SUNXI_MODULE
strncpy((char *)arisc_module_info.module, (const char *)"arisc", 16);
strncpy((char *)arisc_module_info.version, (const char *)arisc_version, 16);
sunxi_module_info_register(&arisc_module_info);
#endif
}
/* received arisc startup ready message */
ARISC_INF("arisc startup ready\n");
if ((pmessage->attr & ARISC_MESSAGE_ATTR_SOFTSYN) ||
(pmessage->attr & ARISC_MESSAGE_ATTR_HARDSYN)) {
/* synchronous message, just feedback it */
ARISC_INF("arisc startup notify message feedback\n");
pmessage->paras[0] = virt_to_phys((void *)&arisc_binary_start);
arisc_hwmsgbox_feedback_message(pmessage, ARISC_SEND_MSG_TIMEOUT);
} else {
/* asyn message, free message directly */
ARISC_INF("arisc startup notify message free directly\n");
arisc_message_free(pmessage);
}
break;
}
/*
* invalid message detected, ignore it.
* by sunny at 2012-7-6 18:34:38.
*/
ARISC_WRN("arisc startup waiting ignore message\n");
if ((pmessage->attr & ARISC_MESSAGE_ATTR_SOFTSYN) ||
(pmessage->attr & ARISC_MESSAGE_ATTR_HARDSYN)) {
/* synchronous message, just feedback it */
arisc_hwmsgbox_send_message(pmessage, ARISC_SEND_MSG_TIMEOUT);
} else {
/* asyn message, free message directly */
arisc_message_free(pmessage);
}
/* we need waiting continue */
}
return 0;
}
