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Commit 441a1393 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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IBM PCI Hotplug driver: changed calls to pci_*_nodev() to pci_bus_*()

parent 82475a64
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Showing with 175 additions and 143 deletions
drivers/hotplug/ibmphp.h
View file @ 441a1393
......@@ -693,7 +693,7 @@ extern void ibmphp_hpc_stop_poll_thread (void);
#define PCIX66 0x05
#define PCI66 0x04
extern struct pci_ops *ibmphp_pci_root_ops;
extern struct pci_bus *ibmphp_pci_bus;
/* Variables */
......@@ -764,7 +764,6 @@ extern int ibmphp_disable_slot (struct hotplug_slot *); /* This function is call
extern int ibmphp_update_slot_info (struct slot *); /* This function is called from HPC, so we need it to not be be static */
extern int ibmphp_configure_card (struct pci_func *, u8);
extern int ibmphp_unconfigure_card (struct slot **, int);
extern void ibmphp_increase_count (void);
extern struct hotplug_slot_ops ibmphp_hotplug_slot_ops;
static inline void long_delay (int delay)
......
drivers/hotplug/ibmphp_core.c
View file @ 441a1393
......@@ -56,7 +56,7 @@ MODULE_LICENSE ("GPL");
MODULE_DESCRIPTION (DRIVER_DESC);
static int *ops[MAX_OPS + 1];
struct pci_ops *ibmphp_pci_root_ops;
struct pci_bus *ibmphp_pci_bus;
static int max_slots;
static int irqs[16]; /* PIC mode IRQ's we're using so far (in case MPS tables don't provide default info for empty slots */
......@@ -769,18 +769,6 @@ static struct pci_bus *find_bus (u8 busno)
return NULL;
}
/******************************************************************
* This function is here because we can no longer use pci_root_ops
******************************************************************/
static struct pci_ops *get_root_pci_ops (void)
{
struct pci_bus * bus;
if ((bus = find_bus (0)))
return bus->ops;
return NULL;
}
/*************************************************************
* This routine frees up memory used by struct slot, including
* the pointers to pci_func, bus, hotplug_slot, controller,
......@@ -975,8 +963,8 @@ static int configure_visit_pci_dev (struct pci_dev_wrapped *wrapped_dev, struct
}
if (temp_func->dev) {
pci_proc_attach_device (temp_func->dev);
pci_announce_device_to_drivers (temp_func->dev);
// pci_proc_attach_device (temp_func->dev);
// pci_announce_device_to_drivers (temp_func->dev);
}
return 0;
......@@ -995,22 +983,39 @@ static struct pci_visit configure_functions = {
static u8 bus_structure_fixup (u8 busno)
{
struct pci_bus bus_t;
struct pci_dev dev_t;
struct pci_bus *bus;
struct pci_dev *dev;
u16 l;
if (!find_bus (busno) || !(ibmphp_find_same_bus_num (busno)))
return 1;
bus_t.number = busno;
bus_t.ops = ibmphp_pci_root_ops;
dev_t.bus = &bus_t;
for (dev_t.devfn=0; dev_t.devfn<256; dev_t.devfn += 8) {
if (!pci_read_config_word (&dev_t, PCI_VENDOR_ID, &l) && l != 0x0000 && l != 0xffff) {
bus = kmalloc (sizeof (*bus), GFP_KERNEL);
if (!bus) {
err ("%s - out of memory\n", __FUNCTION__);
return 1;
}
dev = kmalloc (sizeof (*dev), GFP_KERNEL);
if (!dev) {
kfree (bus);
err ("%s - out of memory\n", __FUNCTION__);
return 1;
}
bus->number = busno;
bus->ops = ibmphp_pci_bus->ops;
dev->bus = bus;
for (dev->devfn = 0; dev->devfn < 256; dev->devfn += 8) {
if (!pci_read_config_word (dev, PCI_VENDOR_ID, &l) && l != 0x0000 && l != 0xffff) {
debug ("%s - Inside bus_struture_fixup() \n", __FUNCTION__);
pci_scan_bus (busno, ibmphp_pci_root_ops, NULL);
pci_scan_bus (busno, ibmphp_pci_bus->ops, NULL);
break;
}
}
kfree (dev);
kfree (bus);
return 0;
}
......@@ -1602,6 +1607,7 @@ static void ibmphp_unload (void)
static int __init ibmphp_init (void)
{
struct pci_bus *bus;
int i = 0;
int rc = 0;
......@@ -1609,11 +1615,18 @@ static int __init ibmphp_init (void)
info (DRIVER_DESC " version: " DRIVER_VERSION "\n");
ibmphp_pci_root_ops = get_root_pci_ops ();
if (ibmphp_pci_root_ops == NULL) {
err ("cannot read bus operations... will not be able to read the cards. Please check your system\n");
ibmphp_pci_bus = kmalloc (sizeof (*ibmphp_pci_bus), GFP_KERNEL);
if (!ibmphp_pci_bus) {
err ("out of memory\n");
return -ENOMEM;
}
bus = find_bus (0);
if (!bus) {
err ("Can't find the root pci bus, can not continue\n");
return -ENODEV;
}
memcpy (ibmphp_pci_bus, bus, sizeof (*ibmphp_pci_bus));
ibmphp_debug = debug;
......
drivers/hotplug/ibmphp_pci.c
View file @ 441a1393
......@@ -104,11 +104,15 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
/* For every function on the card */
for (function = 0x00; function < 0x08; function++) {
unsigned int devfn = PCI_DEVFN(device, function);
ibmphp_pci_bus->number = cur_func->busno;
cur_func->function = function;
debug ("inside the loop, cur_func->busno = %x, cur_func->device = %x, cur_func->funcion = %x\n", cur_func->busno, device, function);
debug ("inside the loop, cur_func->busno = %x, cur_func->device = %x, cur_func->funcion = %x\n",
cur_func->busno, cur_func->device, cur_func->function);
pci_read_config_word_nodev (ibmphp_pci_root_ops, cur_func->busno, device, function, PCI_VENDOR_ID, &vendor_id);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
debug ("vendor_id is %x\n", vendor_id);
if (vendor_id != PCI_VENDOR_ID_NOTVALID) {
......@@ -122,8 +126,8 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
* |_=> 0 = single function device, 1 = multi-function device
*/
pci_read_config_byte_nodev (ibmphp_pci_root_ops, cur_func->busno, device, function, PCI_HEADER_TYPE, &hdr_type);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, cur_func->busno, device, function, PCI_CLASS_REVISION, &class);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
class_code = class >> 24;
debug ("hrd_type = %x, class = %x, class_code %x \n", hdr_type, class, class_code);
......@@ -195,7 +199,7 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
goto error;
}
pci_read_config_byte_nodev (ibmphp_pci_root_ops, cur_func->busno, device, function, PCI_SECONDARY_BUS, &sec_number);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
flag = FALSE;
for (i = 0; i < 32; i++) {
if (func->devices[i]) {
......@@ -267,8 +271,9 @@ int ibmphp_configure_card (struct pci_func *func, u8 slotno)
cleanup_count = 2;
goto error;
}
debug ("cur_func->busno = %x, device = %x, function = %x\n", cur_func->busno, device, function);
pci_read_config_byte_nodev (ibmphp_pci_root_ops, cur_func->busno, device, function, PCI_SECONDARY_BUS, &sec_number);
debug ("cur_func->busno = %x, device = %x, function = %x\n",
cur_func->busno, device, function);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
debug ("after configuring bridge..., sec_number = %x\n", sec_number);
flag = FALSE;
for (i = 0; i < 32; i++) {
......@@ -361,13 +366,12 @@ static int configure_device (struct pci_func *func)
struct resource_node *mem[6];
struct resource_node *mem_tmp;
struct resource_node *pfmem[6];
u8 device;
u8 function;
unsigned int devfn;
debug ("%s - inside\n", __FUNCTION__);
device = func->device;
function = func->function;
devfn = PCI_DEVFN(func->device, func->function);
ibmphp_pci_bus->number = func->busno;
for (count = 0; address[count]; count++) { /* for 6 BARs */
......@@ -384,8 +388,8 @@ static int configure_device (struct pci_func *func)
pcibios_write_config_dword(cur_func->busno, cur_func->device,
PCI_BASE_ADDRESS_0 + 4 * count, 0xFFFFFFFF);
*/
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], 0xFFFFFFFF);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], &bar[count]);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
if (!bar[count]) /* This BAR is not implemented */
continue;
......@@ -421,11 +425,11 @@ static int configure_device (struct pci_func *func)
kfree (io[count]);
return -EIO;
}
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], func->io[count]->start);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
/* _______________This is for debugging purposes only_____________________ */
debug ("b4 writing, the IO address is %x\n", func->io[count]->start);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], &bar[count]);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
debug ("after writing.... the start address is %x\n", bar[count]);
/* _________________________________________________________________________*/
......@@ -484,11 +488,11 @@ static int configure_device (struct pci_func *func)
}
}
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], func->pfmem[count]->start);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
/*_______________This if for debugging purposes only______________________________*/
/*_______________This is for debugging purposes only______________________________*/
debug ("b4 writing, start addres is %x\n", func->pfmem[count]->start);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], &bar[count]);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
debug ("after writing, start address is %x\n", bar[count]);
/*_________________________________________________________________________________*/
......@@ -496,7 +500,7 @@ static int configure_device (struct pci_func *func)
debug ("inside the mem 64 case, count %d\n", count);
count += 1;
/* on the 2nd dword, write all 0s, since we can't handle them n.e.ways */
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], 0x00000000);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0x00000000);
}
} else {
/* regular memory */
......@@ -526,10 +530,10 @@ static int configure_device (struct pci_func *func)
kfree (mem[count]);
return -EIO;
}
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], func->mem[count]->start);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->mem[count]->start);
/* _______________________This is for debugging purposes only _______________________*/
debug ("b4 writing, start address is %x\n", func->mem[count]->start);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], &bar[count]);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
debug ("after writing, the address is %x\n", bar[count]);
/* __________________________________________________________________________________*/
......@@ -538,22 +542,22 @@ static int configure_device (struct pci_func *func)
debug ("inside mem 64 case, reg. mem, count %d\n", count);
count += 1;
/* on the 2nd dword, write all 0s, since we can't handle them n.e.ways */
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], 0x00000000);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0x00000000);
}
}
} /* end of mem */
} /* end of for */
func->bus = 0; /* To indicate that this is not a PPB */
pci_read_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_INTERRUPT_PIN, &irq);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_PIN, &irq);
if ((irq > 0x00) && (irq < 0x05))
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_CACHE_LINE_SIZE, CACHE);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_LATENCY_TIMER, LATENCY);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_CACHE_LINE_SIZE, CACHE);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_LATENCY_TIMER, LATENCY);
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_ROM_ADDRESS, 0x00L);
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_COMMAND, DEVICEENABLE);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_ROM_ADDRESS, 0x00L);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_COMMAND, DEVICEENABLE);
return 0;
}
......@@ -593,24 +597,23 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
0
};
struct pci_func *func = *func_passed;
u8 function;
u8 device;
unsigned int devfn;
u8 irq;
int retval;
debug ("%s - enter\n", __FUNCTION__);
function = func->function;
device = func->device;
devfn = PCI_DEVFN(func->function, func->device);
ibmphp_pci_bus->number = func->busno;
/* Configuring necessary info for the bridge so that we could see the devices
* behind it
*/
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PRIMARY_BUS, func->busno);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, func->busno);
/* _____________________For debugging purposes only __________________________
pci_read_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PRIMARY_BUS, &pri_number);
pci_bus_config_byte (ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, &pri_number);
debug ("primary # written into the bridge is %x\n", pri_number);
___________________________________________________________________________*/
......@@ -624,23 +627,23 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
debug ("after find_sec_number, the number we got is %x\n", sec_number);
debug ("AFTER FIND_SEC_NUMBER, func->busno IS %x\n", func->busno);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_SECONDARY_BUS, sec_number);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, sec_number);
/* __________________For debugging purposes only __________________________________
pci_read_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_SECONDARY_BUS, &sec_number);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
debug ("sec_number after write/read is %x\n", sec_number);
________________________________________________________________________________*/
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_SUBORDINATE_BUS, sec_number);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, sec_number);
/* __________________For debugging purposes only ____________________________________
pci_read_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_SUBORDINATE_BUS, &sec_number);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, &sec_number);
debug ("subordinate number after write/read is %x\n", sec_number);
__________________________________________________________________________________*/
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_CACHE_LINE_SIZE, CACHE);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_LATENCY_TIMER, LATENCY);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_SEC_LATENCY_TIMER, LATENCY);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_CACHE_LINE_SIZE, CACHE);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_LATENCY_TIMER, LATENCY);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_SEC_LATENCY_TIMER, LATENCY);
debug ("func->busno is %x\n", func->busno);
debug ("sec_number after writing is %x\n", sec_number);
......@@ -653,8 +656,8 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
/* First we need to allocate mem/io for the bridge itself in case it needs it */
for (count = 0; address[count]; count++) { /* for 2 BARs */
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], 0xFFFFFFFF);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], &bar[count]);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
if (!bar[count]) {
/* This BAR is not implemented */
......@@ -694,7 +697,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
return -EIO;
}
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], func->io[count]->start);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->io[count]->start);
} else {
/* This is Memory */
......@@ -747,13 +750,13 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
}
}
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], func->pfmem[count]->start);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->pfmem[count]->start);
if (bar[count] & PCI_BASE_ADDRESS_MEM_TYPE_64) {
/* takes up another dword */
count += 1;
/* on the 2nd dword, write all 0s, since we can't handle them n.e.ways */
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], 0x00000000);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0x00000000);
}
} else {
......@@ -784,13 +787,13 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
return -EIO;
}
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], func->mem[count]->start);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], func->mem[count]->start);
if (bar[count] & PCI_BASE_ADDRESS_MEM_TYPE_64) {
/* takes up another dword */
count += 1;
/* on the 2nd dword, write all 0s, since we can't handle them n.e.ways */
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, address[count], 0x00000000);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0x00000000);
}
}
......@@ -802,6 +805,7 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
if (amount_needed == NULL)
return -ENOMEM;
ibmphp_pci_bus->number = func->busno;
debug ("after coming back from scan_behind_bridge\n");
debug ("amount_needed->not_correct = %x\n", amount_needed->not_correct);
debug ("amount_needed->io = %x\n", amount_needed->io);
......@@ -952,8 +956,8 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
retval = rc;
goto error;
}
pci_read_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_BASE, &io_base);
pci_read_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_MEMORY_BASE, &pfmem_base);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, &io_base);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &pfmem_base);
if ((io_base & PCI_IO_RANGE_TYPE_MASK) == PCI_IO_RANGE_TYPE_32) {
debug ("io 32\n");
......@@ -965,73 +969,73 @@ static int configure_bridge (struct pci_func **func_passed, u8 slotno)
}
if (bus->noIORanges) {
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_BASE, 0x00 | bus->rangeIO->start >> 8);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_LIMIT, 0x00 | bus->rangeIO->end >> 8);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, 0x00 | bus->rangeIO->start >> 8);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, 0x00 | bus->rangeIO->end >> 8);
/* _______________This is for debugging purposes only ____________________
pci_read_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_BASE, &temp);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, &temp);
debug ("io_base = %x\n", (temp & PCI_IO_RANGE_TYPE_MASK) << 8);
pci_read_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_LIMIT, &temp);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, &temp);
debug ("io_limit = %x\n", (temp & PCI_IO_RANGE_TYPE_MASK) << 8);
________________________________________________________________________*/
if (need_io_upper) { /* since can't support n.e.ways */
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_BASE_UPPER16, 0x0000);
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_LIMIT_UPPER16, 0x0000);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_IO_BASE_UPPER16, 0x0000);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_IO_LIMIT_UPPER16, 0x0000);
}
} else {
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_BASE, 0x00);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_IO_LIMIT, 0x00);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, 0x00);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, 0x00);
}
if (bus->noMemRanges) {
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_MEMORY_BASE, 0x0000 | bus->rangeMem->start >> 16);
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_MEMORY_LIMIT, 0x0000 | bus->rangeMem->end >> 16);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, 0x0000 | bus->rangeMem->start >> 16);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, 0x0000 | bus->rangeMem->end >> 16);
/* ____________________This is for debugging purposes only ________________________
pci_read_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_MEMORY_BASE, &temp);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &temp);
debug ("mem_base = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
pci_read_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_MEMORY_LIMIT, &temp);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &temp);
debug ("mem_limit = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
__________________________________________________________________________________*/
} else {
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_MEMORY_BASE, 0xffff);
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_MEMORY_LIMIT, 0x0000);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, 0xffff);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, 0x0000);
}
if (bus->noPFMemRanges) {
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_MEMORY_BASE, 0x0000 | bus->rangePFMem->start >> 16);
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_MEMORY_LIMIT, 0x0000 | bus->rangePFMem->end >> 16);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, 0x0000 | bus->rangePFMem->start >> 16);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, 0x0000 | bus->rangePFMem->end >> 16);
/* __________________________This is for debugging purposes only _______________________
pci_read_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_MEMORY_BASE, &temp);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &temp);
debug ("pfmem_base = %x", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
pci_read_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_MEMORY_LIMIT, &temp);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, &temp);
debug ("pfmem_limit = %x\n", (temp & PCI_MEMORY_RANGE_TYPE_MASK) << 16);
______________________________________________________________________________________*/
if (need_pfmem_upper) { /* since can't support n.e.ways */
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_BASE_UPPER32, 0x00000000);
pci_write_config_dword_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_LIMIT_UPPER32, 0x00000000);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_BASE_UPPER32, 0x00000000);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_LIMIT_UPPER32, 0x00000000);
}
} else {
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_MEMORY_BASE, 0xffff);
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_PREF_MEMORY_LIMIT, 0x0000);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, 0xffff);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, 0x0000);
}
debug ("b4 writing control information\n");
pci_read_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_INTERRUPT_PIN, &irq);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_PIN, &irq);
if ((irq > 0x00) && (irq < 0x05))
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_INTERRUPT_LINE, func->irq[irq - 1]);
/*
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_BRIDGE_CONTROL, ctrl);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_PARITY);
pci_write_config_byte_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_SERR);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, ctrl);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_PARITY);
pci_bus_write_config_byte (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, PCI_BRIDGE_CTL_SERR);
*/
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_COMMAND, DEVICEENABLE);
pci_write_config_word_nodev (ibmphp_pci_root_ops, func->busno, device, function, PCI_BRIDGE_CONTROL, 0x07);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_COMMAND, DEVICEENABLE);
pci_bus_write_config_word (ibmphp_pci_bus, devfn, PCI_BRIDGE_CONTROL, 0x07);
for (i = 0; i < 32; i++) {
if (amount_needed->devices[i]) {
debug ("device where devices[i] is 1 = %x\n", i);
......@@ -1087,6 +1091,7 @@ static struct res_needed *scan_behind_bridge (struct pci_func * func, u8 busno)
u16 vendor_id;
u8 hdr_type;
u8 device, function;
unsigned int devfn;
int howmany = 0; /*this is to see if there are any devices behind the bridge */
u32 bar[6], class;
......@@ -1106,20 +1111,23 @@ static struct res_needed *scan_behind_bridge (struct pci_func * func, u8 busno)
return NULL;
memset (amount, 0, sizeof (struct res_needed));
ibmphp_pci_bus->number = busno;
debug ("the bus_no behind the bridge is %x\n", busno);
debug ("scanning devices behind the bridge...\n");
for (device = 0; device < 32; device++) {
amount->devices[device] = 0;
for (function = 0; function < 8; function++) {
devfn = PCI_DEVFN(device, function);
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_VENDOR_ID, &vendor_id);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
if (vendor_id != PCI_VENDOR_ID_NOTVALID) {
/* found correct device!!! */
howmany++;
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_HEADER_TYPE, &hdr_type);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_CLASS_REVISION, &class);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
debug ("hdr_type behind the bridge is %x\n", hdr_type);
if (hdr_type & PCI_HEADER_TYPE_BRIDGE) {
......@@ -1146,14 +1154,14 @@ static struct res_needed *scan_behind_bridge (struct pci_func * func, u8 busno)
for (count = 0; address[count]; count++) {
/* for 6 BARs */
/*
pci_read_config_byte_nodev(ibmphp_pci_root_ops, busno, device, function, address[count], &tmp);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, address[count], &tmp);
if (tmp & 0x01) // IO
pci_write_config_dword_nodev(ibmphp_pci_root_ops, busno, device, function, address[count], 0xFFFFFFFD);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFD);
else // MEMORY
pci_write_config_dword_nodev(ibmphp_pci_root_ops, busno, device, function, address[count], 0xFFFFFFFF);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
*/
pci_write_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, address[count], 0xFFFFFFFF);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, address[count], &bar[count]);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &bar[count]);
debug ("what is bar[count]? %x, count = %d\n", bar[count], count);
......@@ -1237,6 +1245,7 @@ static int unconfigure_boot_device (u8 busno, u8 device, u8 function)
u32 temp_end;
u32 size;
u32 tmp_address;
unsigned int devfn;
debug ("%s - enter\n", __FUNCTION__);
......@@ -1246,14 +1255,16 @@ static int unconfigure_boot_device (u8 busno, u8 device, u8 function)
return -EINVAL;
}
devfn = PCI_DEVFN(device, function);
ibmphp_pci_bus->number = busno;
for (count = 0; address[count]; count++) { /* for 6 BARs */
pci_read_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, address[count], &start_address);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &start_address);
/* We can do this here, b/c by that time the device driver of the card has been stopped */
pci_write_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, address[count], 0xFFFFFFFF);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, address[count], &size);
pci_write_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, address[count], start_address);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], 0xFFFFFFFF);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &size);
pci_bus_write_config_dword (ibmphp_pci_bus, devfn, address[count], start_address);
debug ("start_address is %x\n", start_address);
debug ("busno, device, function %x %x %x\n", busno, device, function);
......@@ -1350,13 +1361,16 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
PCI_BASE_ADDRESS_1,
0
};
unsigned int devfn;
devfn = PCI_DEVFN(device, function);
ibmphp_pci_bus->number = busno;
bus_no = (int) busno;
debug ("busno is %x\n", busno);
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_PRIMARY_BUS, &pri_number);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_PRIMARY_BUS, &pri_number);
debug ("%s - busno = %x, primary_number = %x\n", __FUNCTION__, busno, pri_number);
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_SECONDARY_BUS, &sec_number);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
debug ("sec_number is %x\n", sec_number);
sec_no = (int) sec_number;
pri_no = (int) pri_number;
......@@ -1365,10 +1379,10 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
return -EINVAL;
}
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_SECONDARY_BUS, &sec_number);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_number);
sec_no = (int) sec_no;
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_SUBORDINATE_BUS, &sub_number);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SUBORDINATE_BUS, &sub_number);
sub_no = (int) sub_number;
debug ("sub_no is %d, sec_no is %d\n", sub_no, sec_no);
if (sec_no != sub_number) {
......@@ -1388,7 +1402,7 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function)
for (count = 0; address[count]; count++) {
/* for 2 BARs */
pci_read_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, address[count], &start_address);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, address[count], &start_address);
if (!start_address) {
/* This BAR is not implemented */
......@@ -1461,6 +1475,7 @@ static int unconfigure_boot_card (struct slot *slot_cur)
u8 busno;
u8 function;
int rc;
unsigned int devfn;
u8 valid_device = 0x00; /* To see if we are ever able to find valid device and read it */
debug ("%s - enter\n", __FUNCTION__);
......@@ -1471,8 +1486,10 @@ static int unconfigure_boot_card (struct slot *slot_cur)
debug ("b4 for loop, device is %x\n", device);
/* For every function on the card */
for (function = 0x0; function < 0x08; function++) {
devfn = PCI_DEVFN(device, function);
ibmphp_pci_bus->number = busno;
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_VENDOR_ID, &vendor_id);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
if (vendor_id != PCI_VENDOR_ID_NOTVALID) {
/* found correct device!!! */
......@@ -1485,8 +1502,8 @@ static int unconfigure_boot_card (struct slot *slot_cur)
* |_=> 0 = single function device, 1 = multi-function device
*/
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_HEADER_TYPE, &hdr_type);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_CLASS_REVISION, &class);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_CLASS_REVISION, &class);
debug ("hdr_type %x, class %x\n", hdr_type, class);
class >>= 8; /* to take revision out, class = class.subclass.prog i/f */
......
drivers/hotplug/ibmphp_res.c
View file @ 441a1393
......@@ -1932,7 +1932,7 @@ int static range_exists_already (struct range_node * range, struct bus_node * bu
*/
static int __init update_bridge_ranges (struct bus_node **bus)
{
u8 sec_busno, device, function, busno, hdr_type, start_io_address, end_io_address;
u8 sec_busno, device, function, hdr_type, start_io_address, end_io_address;
u16 vendor_id, upper_io_start, upper_io_end, start_mem_address, end_mem_address;
u32 start_address, end_address, upper_start, upper_end;
struct bus_node *bus_sec;
......@@ -1941,21 +1941,24 @@ static int __init update_bridge_ranges (struct bus_node **bus)
struct resource_node *mem;
struct resource_node *pfmem;
struct range_node *range;
unsigned int devfn;
bus_cur = *bus;
if (!bus_cur)
return -ENODEV;
busno = bus_cur->busno;
ibmphp_pci_bus->number = bus_cur->busno;
debug ("inside %s \n", __FUNCTION__);
debug ("bus_cur->busno = %x\n", bus_cur->busno);
for (device = 0; device < 32; device++) {
for (function = 0x00; function < 0x08; function++) {
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_VENDOR_ID, &vendor_id);
devfn = PCI_DEVFN(device, function);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id);
if (vendor_id != PCI_VENDOR_ID_NOTVALID) {
/* found correct device!!! */
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_HEADER_TYPE, &hdr_type);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type);
switch (hdr_type) {
case PCI_HEADER_TYPE_NORMAL:
......@@ -1974,7 +1977,7 @@ static int __init update_bridge_ranges (struct bus_node **bus)
temp++;
}
*/
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_SECONDARY_BUS, &sec_busno);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_busno);
bus_sec = find_bus_wprev (sec_busno, NULL, 0);
/* this bus structure doesn't exist yet, PPB was configured during previous loading of ibmphp */
if (!bus_sec) {
......@@ -1982,10 +1985,10 @@ static int __init update_bridge_ranges (struct bus_node **bus)
/* the rest will be populated during NVRAM call */
return 0;
}
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_IO_BASE, &start_io_address);
pci_read_config_byte_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_IO_LIMIT, &end_io_address);
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_IO_BASE_UPPER16, &upper_io_start);
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_IO_LIMIT_UPPER16, &upper_io_end);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, &start_io_address);
pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, &end_io_address);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_IO_BASE_UPPER16, &upper_io_start);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_IO_LIMIT_UPPER16, &upper_io_end);
start_address = (start_io_address & PCI_IO_RANGE_MASK) << 8;
start_address |= (upper_io_start << 16);
end_address = (end_io_address & PCI_IO_RANGE_MASK) << 8;
......@@ -2035,8 +2038,8 @@ static int __init update_bridge_ranges (struct bus_node **bus)
}
}
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_MEMORY_BASE, &start_mem_address);
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_MEMORY_LIMIT, &end_mem_address);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &start_mem_address);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &end_mem_address);
start_address = 0x00000000 | (start_mem_address & PCI_MEMORY_RANGE_MASK) << 16;
end_address = 0x00000000 | (end_mem_address & PCI_MEMORY_RANGE_MASK) << 16;
......@@ -2086,10 +2089,10 @@ static int __init update_bridge_ranges (struct bus_node **bus)
ibmphp_add_resource (mem);
}
}
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_PREF_MEMORY_BASE, &start_mem_address);
pci_read_config_word_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_PREF_MEMORY_LIMIT, &end_mem_address);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_PREF_BASE_UPPER32, &upper_start);
pci_read_config_dword_nodev (ibmphp_pci_root_ops, busno, device, function, PCI_PREF_LIMIT_UPPER32, &upper_end);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &start_mem_address);
pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, &end_mem_address);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_BASE_UPPER32, &upper_start);
pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_LIMIT_UPPER32, &upper_end);
start_address = 0x00000000 | (start_mem_address & PCI_MEMORY_RANGE_MASK) << 16;
end_address = 0x00000000 | (end_mem_address & PCI_MEMORY_RANGE_MASK) << 16;
#if BITS_PER_LONG == 64
......
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