/*lint -save -e774 -e944 -e506*/
MAILBOX_GLOBAL int mailbox_init(void)
{
if (MAILBOX_INIT_MAGIC == g_mailbox_handle.init_flag) {
/*考虑到单核下电重启，静态数据不会丢失，这里只打印告警，
返回错误的话，后面的平台初始化将调不到，IPC中断无法注册*/
return mailbox_logerro_p1(MAILBOX_ERR_GUT_ALREADY_INIT, g_mailbox_handle.init_flag);
}
/*TODO:进行单核下电重启特性开发时，这行需要删除*/
(void)mailbox_memset(&g_mailbox_handle, 0x00, sizeof(struct mb));
#ifdef MAILBOX_OPEN_MNTN
if ((MAILBOX_HEAD_BOTTOM_ADDR > (MAILBOX_MEM_BASEADDR + MAILBOX_MEM_HEAD_LEN)) ||
(MAILBOX_MEMORY_BOTTOM_ADDR > (MAILBOX_MEM_BASEADDR + MAILBOX_MEM_LENGTH)))
{
bsp_trace(BSP_LOG_LEVEL_ERROR, BSP_MODU_MBX,
"mailbox address overflow: headbuttom valid(0x%x), config(0x%x)!\n\
\r databuttom valid(0x%x), config(0x%x)!"RT,
(MAILBOX_MEM_BASEADDR + MAILBOX_MEM_HEAD_LEN), MAILBOX_HEAD_BOTTOM_ADDR,
(MAILBOX_MEM_BASEADDR + MAILBOX_MEM_LENGTH), MAILBOX_MEMORY_BOTTOM_ADDR);
return mailbox_logerro_p0(MAILBOX_CRIT_GUT_MEMORY_CONFIG);
}
#endif
/*初始化邮箱主体部分，创建邮箱总句柄。*/
if (MAILBOX_OK != mailbox_create_box(&g_mailbox_handle,
&g_mailbox_global_cfg_tbl[0], MAILBOX_LOCAL_CPUID)) {
return mailbox_logerro_p0(MAILBOX_ERR_GUT_CREATE_BOX);
}
/*初始化平台差异部分*/
if (MAILBOX_OK != mailbox_init_platform()) {
return mailbox_logerro_p0(MAILBOX_ERR_GUT_INIT_PLATFORM);
}
g_mailbox_handle.init_flag = MAILBOX_INIT_MAGIC;
#ifndef _DRV_LLT_
// mailbox_ifc_test_init();
#endif
bsp_trace(BSP_LOG_LEVEL_ERROR, BSP_MODU_MBX, "mb init OK!"RT);
return MAILBOX_OK;
}
/*****************************************************************************
函 数 名 : mailbox_init_mem
接口类型 : 对内接口
功能描述 : 初始化邮箱通道内存,初始化邮箱头及邮箱体，设置结构初始值和保护字等
输入参数 : struct mb_cfg *config -- 某个邮箱内存通道描述符
输出参数 : 无
返 回 值 : 成功或失败
调用函数 :
被调函数 :
修改历史 :
1.日 期 : 2012年9月24日
作 者 : 莫南 00176101
修改内容 : 新生成函数
*****************************************************************************/
MAILBOX_LOCAL long mailbox_init_mem(struct mb_cfg *config)
{
struct mb_head *head = (struct mb_head*)config->head_addr;
unsigned long data_addr = config->data_addr;
unsigned long data_size = config->data_size;
/* Modified by c64416 for hifi mailbox, 2013/09/24, begin */
/*这里也属于入参判断*/
if ((0 == data_addr) || (MAILBOX_NULL == head) || (0 == data_size)) {
mailbox_logerro_p1(MAILBOX_ERR_GUT_INIT_CORESHARE_MEM, config->butt_id);
return MAILBOX_OK;
}
/* Modified by c64416 for hifi mailbox, 2013/09/24, end */
/*初始化邮箱体*/
mailbox_memset((signed char *)data_addr, 0, data_size);
/*初始化邮箱头部保护字*/
mailbox_write_reg(data_addr, MAILBOX_PROTECT1);
mailbox_write_reg(data_addr + MAILBOX_PROTECT_LEN, MAILBOX_PROTECT2);
/*初始化邮箱尾部保护字*/
mailbox_write_reg((data_addr + data_size) - (2*MAILBOX_PROTECT_LEN),
MAILBOX_PROTECT1);
mailbox_write_reg((data_addr + data_size) - MAILBOX_PROTECT_LEN,
MAILBOX_PROTECT2);
/*初始化邮箱头*/
head->ulFront = 0;
head->ulFrontslice = 0;
head->ulRear = head->ulFront;
head->ulRearslice = 0;
head->ulProtectWord4 = MAILBOX_PROTECT2;
head->ulProtectWord3 = MAILBOX_PROTECT1;
head->ulProtectWord2 = MAILBOX_PROTECT2;
head->ulProtectWord1 = MAILBOX_PROTECT1;
return MAILBOX_OK;
}
MAILBOX_GLOBAL long mailbox_init(void)
{
unsigned long offset = 0;
int i = 0;
struct mb_head *head = NULL;
if (MAILBOX_INIT_MAGIC == g_mailbox_handle.init_flag) {
/*考虑到单核下电重启，静态数据不会丢失，这里只打印告警，
返回错误的话，后面的平台初始化将调不到，IPC中断无法注册*/
return mailbox_logerro_p1(MAILBOX_ERR_GUT_ALREADY_INIT, g_mailbox_handle.init_flag);
}
printk("func = %s, line = %d baseaddr = 0x%x\n", __func__, __LINE__, MAILBOX_MEM_BASEADDR);
g_shareMemBase = ioremap(MAILBOX_MEM_BASEADDR, MAILBOX_MEM_LENGTH);
/*初始化邮箱中的数据*/
//memset(g_shareMemBase,0x0,MAILBOX_MEM_LENGTH);
if(NULL == g_shareMemBase) {
printk("func = %s, mmap mailbox mem error!!\n", __func__);
return mailbox_logerro_p0(MAILBOX_CRIT_GUT_MEMORY_CONFIG);
}
offset = (unsigned long)g_shareMemBase - MAILBOX_MEM_BASEADDR;
for(i = 0; i < MAILBOX_GLOBAL_CHANNEL_NUM; i++) {
g_mailbox_global_cfg_tbl[i].head_addr = g_mailbox_global_cfg_tbl[i].head_addr + offset;
g_mailbox_global_cfg_tbl[i].data_addr = g_mailbox_global_cfg_tbl[i].data_addr + offset;
printk("i = %d, head_addr = 0x%lx, data_addr = 0x%lx\n", i,
g_mailbox_global_cfg_tbl[i].head_addr, g_mailbox_global_cfg_tbl[i].data_addr);
/*初始化邮箱头*/
head = (struct mb_head *)g_mailbox_global_cfg_tbl[i].head_addr;
head->ulFront = 0x0;
head->ulRear = 0x0;
head->ulFrontslice = 0x0;
head->ulRearslice = 0x0;
}
/*TODO:进行单核下电重启特性开发时，这行需要删除*/
mailbox_memset(&g_mailbox_handle, 0x00, sizeof(struct mb));
#ifdef MAILBOX_OPEN_MNTN
if ((MAILBOX_HEAD_BOTTOM_ADDR > (MAILBOX_MEM_BASEADDR + MAILBOX_MEM_HEAD_LEN)) ||
(MAILBOX_MEMORY_BOTTOM_ADDR > (MAILBOX_MEM_BASEADDR + MAILBOX_MEM_LENGTH))) {
mailbox_out(("mailbox address overflow: headbuttom valid(0x%x), config(0x%x)!\n\\r databuttom valid(0x%x), config(0x%x)!\n",
(MAILBOX_MEM_BASEADDR + MAILBOX_MEM_HEAD_LEN), MAILBOX_HEAD_BOTTOM_ADDR,
(MAILBOX_MEM_BASEADDR + MAILBOX_MEM_LENGTH), MAILBOX_MEMORY_BOTTOM_ADDR));
return mailbox_logerro_p0(MAILBOX_CRIT_GUT_MEMORY_CONFIG);
}
#endif
/*初始化邮箱主体部分，创建邮箱总句柄。*/
if (MAILBOX_OK != mailbox_create_box(&g_mailbox_handle,
&g_mailbox_global_cfg_tbl[0], MAILBOX_LOCAL_CPUID)) {
return mailbox_logerro_p0(MAILBOX_ERR_GUT_CREATE_BOX);
}
/*初始化平台差异部分*/
if (MAILBOX_OK != mailbox_init_platform()) {
return mailbox_logerro_p0(MAILBOX_ERR_GUT_INIT_PLATFORM);
}
g_mailbox_handle.init_flag = MAILBOX_INIT_MAGIC;
#ifndef _DRV_LLT_
//mailbox_ifc_test_init();
#endif
//fixme: there isn't go to unremap
g_slice_reg = (void*)ioremap(SLICE_REG, 0x4);
if (NULL == g_slice_reg) {
printk("ioremap of slice reg fail.\n");
}
mailbox_out(("mb init OK!\n"));
return MAILBOX_OK;
}
