/**
@brief function for the @b dump_start method in a link_device instance
@param ld the pointer to a link_device instance
@param iod the pointer to an io_device instance
*/
int mem_start_upload(struct link_device *ld, struct io_device *iod)
{
struct mem_link_device *mld = to_mem_link_device(ld);
if (mld->attrs & LINK_ATTR(LINK_ATTR_MEM_DUMP))
sbd_deactivate(&mld->sbd_link_dev);
reset_ipc_map(mld);
if (mld->attrs & LINK_ATTR(LINK_ATTR_DUMP_ALIGNED))
ld->aligned = true;
else
ld->aligned = false;
if (mld->dpram_magic) {
unsigned int magic;
set_magic(mld, MEM_DUMP_MAGIC);
magic = get_magic(mld);
if (magic != MEM_DUMP_MAGIC) {
mif_err("%s: ERR! magic 0x%08X != DUMP_MAGIC 0x%08X\n",
ld->name, magic, MEM_DUMP_MAGIC);
return -EFAULT;
}
mif_info("%s: magic == 0x%08X\n", ld->name, magic);
}
return 0;
}
static int mem_start_download(struct link_device *ld, struct io_device *iod)
{
struct mem_link_device *mld = to_mem_link_device(ld);
reset_ipc_map(mld);
#ifdef CONFIG_LINK_DEVICE_WITH_SBD_ARCH
if (mld->attrs & LINK_ATTR(LINK_ATTR_MEM_BOOT))
sbd_deactivate(&mld->sbd_link_dev);
#endif
if (mld->attrs & LINK_ATTR(LINK_ATTR_BOOT_ALIGNED))
ld->aligned = true;
else
ld->aligned = false;
if (mld->dpram_magic) {
unsigned int magic;
set_magic(mld, MEM_BOOT_MAGIC);
magic = get_magic(mld);
if (magic != MEM_BOOT_MAGIC) {
mif_err("%s: ERR! magic 0x%08X != BOOT_MAGIC 0x%08X\n",
ld->name, magic, MEM_BOOT_MAGIC);
return -EFAULT;
}
mif_err("%s: magic == 0x%08X\n", ld->name, magic);
}
return 0;
}
/**
@brief function for the @b dump_start method in a link_device instance
@param ld the pointer to a link_device instance
@param iod the pointer to an io_device instance
*/
static int mem_start_upload(struct link_device *ld, struct io_device *iod)
{
struct mem_link_device *mld = to_mem_link_device(ld);
reset_ipc_map(mld);
reset_ipc_devices(mld);
mif_err("%s: magic = 0x%08X\n", ld->name, SHM_DUMP_MAGIC);
set_magic(mld, SHM_DUMP_MAGIC);
return 0;
}
/**
@brief function for the @b dload_start method in a link_device instance
Set all flags and environments for CP binary download
@param ld the pointer to a link_device instance
@param iod the pointer to an io_device instance
*/
static int mem_start_download(struct link_device *ld, struct io_device *iod)
{
struct mem_link_device *mld = to_mem_link_device(ld);
unsigned int magic;
atomic_set(&mld->cp_boot_done, 0);
reset_ipc_map(mld);
reset_ipc_devices(mld);
set_magic(mld, SHM_BOOT_MAGIC);
magic = get_magic(mld);
if (magic != SHM_BOOT_MAGIC) {
mif_err("%s: ERR! magic 0x%08X != SHM_BOOT_MAGIC 0x%08X\n",
ld->name, magic, SHM_BOOT_MAGIC);
return -EFAULT;
}
return 0;
}
int mem_reset_ipc_link(struct mem_link_device *mld)
{
struct link_device *ld = &mld->link_dev;
unsigned int magic;
unsigned int access;
set_access(mld, 0);
set_magic(mld, 0);
reset_ipc_map(mld);
reset_ipc_devices(mld);
atomic_set(&ld->netif_stopped, 0);
set_magic(mld, MEM_IPC_MAGIC);
set_access(mld, 1);
magic = get_magic(mld);
access = get_access(mld);
if (magic != MEM_IPC_MAGIC || access != 1)
return -EACCES;
return 0;
}
int mem_reset_ipc_link(struct mem_link_device *mld)
{
struct link_device *ld = &mld->link_dev;
unsigned int magic;
unsigned int access;
int i;
set_access(mld, 0);
set_magic(mld, 0);
reset_ipc_map(mld);
for (i = 0; i < MAX_SIPC5_DEVICES; i++) {
struct mem_ipc_device *dev = mld->dev[i];
skb_queue_purge(dev->skb_txq);
atomic_set(&dev->txq.busy, 0);
dev->req_ack_cnt[TX] = 0;
skb_queue_purge(dev->skb_rxq);
atomic_set(&dev->rxq.busy, 0);
dev->req_ack_cnt[RX] = 0;
}
atomic_set(&ld->netif_stopped, 0);
set_magic(mld, MEM_IPC_MAGIC);
set_access(mld, 1);
magic = get_magic(mld);
access = get_access(mld);
if (magic != MEM_IPC_MAGIC || access != 1)
return -EACCES;
return 0;
}
