static int
init_child(dev_info_t *child)
{
char name[MAXNAMELEN];
(void) name_child(child, name, MAXNAMELEN);
ddi_set_name_addr(child, name);
if ((ndi_dev_is_persistent_node(child) == 0) &&
(ndi_merge_node(child, name_child) == DDI_SUCCESS)) {
impl_ddi_sunbus_removechild(child);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
static int
ppb_initchild(dev_info_t *child)
{
char name[MAXNAMELEN];
ddi_acc_handle_t config_handle;
ushort_t command_preserve, command;
uint_t n;
ushort_t bcr;
uchar_t header_type;
uchar_t min_gnt, latency_timer;
ppb_devstate_t *ppb;
/*
* Name the child
*/
if (ppb_name_child(child, name, MAXNAMELEN) != DDI_SUCCESS)
return (DDI_FAILURE);
ddi_set_name_addr(child, name);
ddi_set_parent_data(child, NULL);
/*
* Pseudo nodes indicate a prototype node with per-instance
* properties to be merged into the real h/w device node.
* The interpretation of the unit-address is DD[,F]
* where DD is the device id and F is the function.
*/
if (ndi_dev_is_persistent_node(child) == 0) {
extern int pci_allow_pseudo_children;
/*
* Try to merge the properties from this prototype
* node into real h/w nodes.
*/
if (ndi_merge_node(child, ppb_name_child) == DDI_SUCCESS) {
/*
* Merged ok - return failure to remove the node.
*/
ppb_removechild(child);
return (DDI_FAILURE);
}
/* workaround for ddivs to run under PCI */
if (pci_allow_pseudo_children)
return (DDI_SUCCESS);
/*
* The child was not merged into a h/w node,
* but there's not much we can do with it other
* than return failure to cause the node to be removed.
*/
cmn_err(CE_WARN, "!%s@%s: %s.conf properties not merged",
ddi_driver_name(child), ddi_get_name_addr(child),
ddi_driver_name(child));
ppb_removechild(child);
return (DDI_NOT_WELL_FORMED);
}
ppb = (ppb_devstate_t *)ddi_get_soft_state(ppb_state,
ddi_get_instance(ddi_get_parent(child)));
ddi_set_parent_data(child, NULL);
/*
* If hardware is PM capable, set up the power info structure.
* This also ensures the the bus will not be off (0MHz) otherwise
* system panics during a bus access.
*/
if (PM_CAPABLE(ppb->ppb_pwr_p)) {
/*
* Create a pwr_info struct for child. Bus will be
* at full speed after creating info.
*/
pci_pwr_create_info(ppb->ppb_pwr_p, child);
#ifdef DEBUG
ASSERT(ppb->ppb_pwr_p->current_lvl == PM_LEVEL_B0);
#endif
}
/*
* If configuration registers were previously saved by
* child (before it entered D3), then let the child do the
* restore to set up the config regs as it'll first need to
* power the device out of D3.
*/
if (ddi_prop_exists(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS,
"config-regs-saved-by-child") == 1) {
DEBUG2(DBG_PWR, ddi_get_parent(child),
"INITCHILD: config regs to be restored by child"
" for %s@%s\n", ddi_node_name(child),
ddi_get_name_addr(child));
return (DDI_SUCCESS);
}
DEBUG2(DBG_PWR, ddi_get_parent(child),
"INITCHILD: config regs setup for %s@%s\n",
ddi_node_name(child), ddi_get_name_addr(child));
if (pci_config_setup(child, &config_handle) != DDI_SUCCESS) {
if (PM_CAPABLE(ppb->ppb_pwr_p)) {
pci_pwr_rm_info(ppb->ppb_pwr_p, child);
}
return (DDI_FAILURE);
}
/*
* Determine the configuration header type.
*/
header_type = pci_config_get8(config_handle, PCI_CONF_HEADER);
/*
* Support for the "command-preserve" property.
*/
command_preserve = ddi_prop_get_int(DDI_DEV_T_ANY, child,
DDI_PROP_DONTPASS, "command-preserve", 0);
command = pci_config_get16(config_handle, PCI_CONF_COMM);
command &= (command_preserve | PCI_COMM_BACK2BACK_ENAB);
command |= (ppb_command_default & ~command_preserve);
pci_config_put16(config_handle, PCI_CONF_COMM, command);
/*
* If the device has a bus control register then program it
* based on the settings in the command register.
*/
if ((header_type & PCI_HEADER_TYPE_M) == PCI_HEADER_ONE) {
bcr = pci_config_get8(config_handle, PCI_BCNF_BCNTRL);
if (ppb_command_default & PCI_COMM_PARITY_DETECT)
bcr |= PCI_BCNF_BCNTRL_PARITY_ENABLE;
if (ppb_command_default & PCI_COMM_SERR_ENABLE)
bcr |= PCI_BCNF_BCNTRL_SERR_ENABLE;
bcr |= PCI_BCNF_BCNTRL_MAST_AB_MODE;
pci_config_put8(config_handle, PCI_BCNF_BCNTRL, bcr);
}
/*
* Initialize cache-line-size configuration register if needed.
*/
if (ppb_set_cache_line_size_register &&
ddi_getprop(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS,
"cache-line-size", 0) == 0) {
pci_config_put8(config_handle, PCI_CONF_CACHE_LINESZ,
ppb->ppb_cache_line_size);
n = pci_config_get8(config_handle, PCI_CONF_CACHE_LINESZ);
if (n != 0) {
(void) ndi_prop_update_int(DDI_DEV_T_NONE, child,
"cache-line-size", n);
}
}
/*
* Initialize latency timer configuration registers if needed.
*/
if (ppb_set_latency_timer_register &&
ddi_getprop(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS,
"latency-timer", 0) == 0) {
if ((header_type & PCI_HEADER_TYPE_M) == PCI_HEADER_ONE) {
latency_timer = ppb->ppb_latency_timer;
pci_config_put8(config_handle, PCI_BCNF_LATENCY_TIMER,
ppb->ppb_latency_timer);
} else {
min_gnt = pci_config_get8(config_handle,
PCI_CONF_MIN_G);
latency_timer = min_gnt * 8;
}
pci_config_put8(config_handle, PCI_CONF_LATENCY_TIMER,
latency_timer);
n = pci_config_get8(config_handle, PCI_CONF_LATENCY_TIMER);
if (n != 0) {
(void) ndi_prop_update_int(DDI_DEV_T_NONE, child,
"latency-timer", n);
}
}
/*
* SPARC PCIe FMA specific
*
* Note: parent_data for parent is created only if this is sparc PCI-E
* platform, for which, SG take a different route to handle device
* errors.
*/
if (ppb->parent_bus == PCIE_PCIECAP_DEV_TYPE_PCIE_DEV) {
if (pcie_init_cfghdl(child) != DDI_SUCCESS) {
pci_config_teardown(&config_handle);
return (DDI_FAILURE);
}
pcie_init_dom(child);
}
/*
* Check to see if the XMITS/PCI-X workaround applies.
*/
n = ddi_getprop(DDI_DEV_T_ANY, child, DDI_PROP_NOTPROM,
"pcix-update-cmd-reg", -1);
if (n != -1) {
extern void pcix_set_cmd_reg(dev_info_t *child, uint16_t value);
DEBUG1(DBG_INIT_CLD, child, "Turning on XMITS NCPQ "
"Workaround: value = %x\n", n);
pcix_set_cmd_reg(child, n);
}
pci_config_teardown(&config_handle);
return (DDI_SUCCESS);
}
static int
ppb_initchild(dev_info_t *child)
{
struct ddi_parent_private_data *pdptr;
ppb_devstate_t *ppb;
char name[MAXNAMELEN];
ddi_acc_handle_t config_handle;
ushort_t command_preserve, command;
ppb = (ppb_devstate_t *)ddi_get_soft_state(ppb_state,
ddi_get_instance(ddi_get_parent(child)));
if (ppb_name_child(child, name, MAXNAMELEN) != DDI_SUCCESS)
return (DDI_FAILURE);
ddi_set_name_addr(child, name);
/*
* Pseudo nodes indicate a prototype node with per-instance
* properties to be merged into the real h/w device node.
* The interpretation of the unit-address is DD[,F]
* where DD is the device id and F is the function.
*/
if (ndi_dev_is_persistent_node(child) == 0) {
extern int pci_allow_pseudo_children;
ddi_set_parent_data(child, NULL);
/*
* Try to merge the properties from this prototype
* node into real h/w nodes.
*/
if (ndi_merge_node(child, ppb_name_child) == DDI_SUCCESS) {
/*
* Merged ok - return failure to remove the node.
*/
ddi_set_name_addr(child, NULL);
return (DDI_FAILURE);
}
/* workaround for ddivs to run under PCI */
if (pci_allow_pseudo_children)
return (DDI_SUCCESS);
/*
* The child was not merged into a h/w node,
* but there's not much we can do with it other
* than return failure to cause the node to be removed.
*/
cmn_err(CE_WARN, "!%s@%s: %s.conf properties not merged",
ddi_driver_name(child), ddi_get_name_addr(child),
ddi_driver_name(child));
ddi_set_name_addr(child, NULL);
return (DDI_NOT_WELL_FORMED);
}
ddi_set_parent_data(child, NULL);
/*
* PCIe FMA specific
*
* Note: parent_data for parent is created only if this is PCI-E
* platform, for which, SG take a different route to handle device
* errors.
*/
if (ppb->parent_bus == PCIE_PCIECAP_DEV_TYPE_PCIE_DEV) {
if (pcie_init_cfghdl(child) != DDI_SUCCESS)
return (DDI_FAILURE);
pcie_init_dom(child);
}
/* transfer select properties from PROM to kernel */
if (ddi_getprop(DDI_DEV_T_NONE, child, DDI_PROP_DONTPASS,
"interrupts", -1) != -1) {
pdptr = kmem_zalloc((sizeof (struct ddi_parent_private_data) +
sizeof (struct intrspec)), KM_SLEEP);
pdptr->par_intr = (struct intrspec *)(pdptr + 1);
pdptr->par_nintr = 1;
ddi_set_parent_data(child, pdptr);
} else
ddi_set_parent_data(child, NULL);
if (pci_config_setup(child, &config_handle) != DDI_SUCCESS) {
pcie_fini_dom(child);
return (DDI_FAILURE);
}
/*
* Support for the "command-preserve" property.
*/
command_preserve = ddi_prop_get_int(DDI_DEV_T_ANY, child,
DDI_PROP_DONTPASS, "command-preserve", 0);
command = pci_config_get16(config_handle, PCI_CONF_COMM);
command &= (command_preserve | PCI_COMM_BACK2BACK_ENAB);
command |= (ppb_command_default & ~command_preserve);
pci_config_put16(config_handle, PCI_CONF_COMM, command);
pci_config_teardown(&config_handle);
return (DDI_SUCCESS);
}
static int
pci_initchild(dev_info_t *child)
{
char name[80];
ddi_acc_handle_t config_handle;
ushort_t command_preserve, command;
if (pci_common_name_child(child, name, 80) != DDI_SUCCESS) {
return (DDI_FAILURE);
}
ddi_set_name_addr(child, name);
/*
* Pseudo nodes indicate a prototype node with per-instance
* properties to be merged into the real h/w device node.
* The interpretation of the unit-address is DD[,F]
* where DD is the device id and F is the function.
*/
if (ndi_dev_is_persistent_node(child) == 0) {
extern int pci_allow_pseudo_children;
ddi_set_parent_data(child, NULL);
/*
* Try to merge the properties from this prototype
* node into real h/w nodes.
*/
if (ndi_merge_node(child, pci_common_name_child) ==
DDI_SUCCESS) {
/*
* Merged ok - return failure to remove the node.
*/
ddi_set_name_addr(child, NULL);
return (DDI_FAILURE);
}
/* workaround for ddivs to run under PCI */
if (pci_allow_pseudo_children) {
/*
* If the "interrupts" property doesn't exist,
* this must be the ddivs no-intr case, and it returns
* DDI_SUCCESS instead of DDI_FAILURE.
*/
if (ddi_prop_get_int(DDI_DEV_T_ANY, child,
DDI_PROP_DONTPASS, "interrupts", -1) == -1)
return (DDI_SUCCESS);
/*
* Create the ddi_parent_private_data for a pseudo
* child.
*/
pci_common_set_parent_private_data(child);
return (DDI_SUCCESS);
}
/*
* The child was not merged into a h/w node,
* but there's not much we can do with it other
* than return failure to cause the node to be removed.
*/
cmn_err(CE_WARN, "!%s@%s: %s.conf properties not merged",
ddi_get_name(child), ddi_get_name_addr(child),
ddi_get_name(child));
ddi_set_name_addr(child, NULL);
return (DDI_NOT_WELL_FORMED);
}
if (ddi_prop_get_int(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS,
"interrupts", -1) != -1)
pci_common_set_parent_private_data(child);
else
ddi_set_parent_data(child, NULL);
/*
* initialize command register
*/
if (pci_config_setup(child, &config_handle) != DDI_SUCCESS)
return (DDI_FAILURE);
/*
* Support for the "command-preserve" property.
*/
command_preserve = ddi_prop_get_int(DDI_DEV_T_ANY, child,
DDI_PROP_DONTPASS, "command-preserve", 0);
command = pci_config_get16(config_handle, PCI_CONF_COMM);
command &= (command_preserve | PCI_COMM_BACK2BACK_ENAB);
command |= (pci_command_default & ~command_preserve);
pci_config_put16(config_handle, PCI_CONF_COMM, command);
pci_config_teardown(&config_handle);
return (DDI_SUCCESS);
}