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authorMyles Watson <mylesgw@gmail.com>2009-05-11 22:24:53 +0000
committerMyles Watson <mylesgw@gmail.com>2009-05-11 22:24:53 +0000
commit032a9653a6d5e1c61221358979a45852739ff379 (patch)
tree8950efc67802a46b19cfe8bfda248e3952ca7dce /src/devices
parent7c29dada3e11f53fcc8c093db960eaf95b56bde7 (diff)
downloadcoreboot-032a9653a6d5e1c61221358979a45852739ff379.tar.xz
Trivial white space fixes so that the next patches are easier to read.
Signed-off-by: Myles Watson <mylesgw@gmail.com> Acked-by: Myles Watson <mylesgw@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4268 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/devices')
-rw-r--r--src/devices/device.c98
-rw-r--r--src/devices/pci_device.c132
2 files changed, 114 insertions, 116 deletions
diff --git a/src/devices/device.c b/src/devices/device.c
index 06d32ea1f8..4a2ef12450 100644
--- a/src/devices/device.c
+++ b/src/devices/device.c
@@ -17,10 +17,10 @@
/*
* (c) 1999--2000 Martin Mares <mj@suse.cz>
*/
-/* lots of mods by ron minnich (rminnich@lanl.gov), with
+/* lots of mods by ron minnich (rminnich@lanl.gov), with
* the final architecture guidance from Tom Merritt (tjm@codegen.com)
- * In particular, we changed from the one-pass original version to
- * Tom's recommended multiple-pass version. I wasn't sure about doing
+ * In particular, we changed from the one-pass original version to
+ * Tom's recommended multiple-pass version. I wasn't sure about doing
* it with multiple passes, until I actually started doing it and saw
* the wisdom of Tom's recommendations ...
*
@@ -52,7 +52,7 @@ extern struct device **last_dev_p;
/**
* @brief Allocate a new device structure.
- *
+ *
* Allocte a new device structure and attached it to the device tree as a
* child of the parent bus.
*
@@ -69,7 +69,7 @@ device_t alloc_dev(struct bus *parent, struct device_path *path)
device_t dev, child;
int link;
- spin_lock(&dev_lock);
+ spin_lock(&dev_lock);
/* Find the last child of our parent */
for(child = parent->children; child && child->sibling; ) {
@@ -111,7 +111,7 @@ device_t alloc_dev(struct bus *parent, struct device_path *path)
}
/**
- * @brief round a number up to an alignment.
+ * @brief round a number up to an alignment.
* @param val the starting value
* @param roundup Alignment as a power of two
* @returns rounded up number
@@ -158,7 +158,7 @@ static void read_resources(struct bus *bus)
struct resource *resource;
unsigned link;
resource = &curdev->resource[i];
- if (!(resource->flags & IORESOURCE_SUBTRACTIVE))
+ if (!(resource->flags & IORESOURCE_SUBTRACTIVE))
continue;
link = IOINDEX_SUBTRACTIVE_LINK(resource->index);
if (link > MAX_LINKS) {
@@ -194,24 +194,23 @@ static void pick_largest_resource(void *gp,
state->seen_last = 1;
return;
}
- if (resource->flags & IORESOURCE_FIXED ) return; //skip it
- if (last && (
- (last->align < resource->align) ||
- ((last->align == resource->align) &&
- (last->size < resource->size)) ||
- ((last->align == resource->align) &&
- (last->size == resource->size) &&
- (!state->seen_last)))) {
+ if (resource->flags & IORESOURCE_FIXED)
+ return; // Skip it.
+ if (last && ((last->align < resource->align) ||
+ ((last->align == resource->align) &&
+ (last->size < resource->size)) ||
+ ((last->align == resource->align) &&
+ (last->size == resource->size) && (!state->seen_last)))) {
return;
}
- if (!state->result ||
- (state->result->align < resource->align) ||
- ((state->result->align == resource->align) &&
- (state->result->size < resource->size)))
+ if (!state->result ||
+ (state->result->align < resource->align) ||
+ ((state->result->align == resource->align) &&
+ (state->result->size < resource->size)))
{
state->result_dev = dev;
state->result = resource;
- }
+ }
}
static struct device *largest_resource(struct bus *bus, struct resource **result_res,
@@ -224,14 +223,15 @@ static struct device *largest_resource(struct bus *bus, struct resource **result
state.result = 0;
state.seen_last = 0;
- search_bus_resources(bus, type_mask, type, pick_largest_resource, &state);
+ search_bus_resources(bus, type_mask, type, pick_largest_resource,
+ &state);
*result_res = state.result;
return state.result_dev;
}
/* Compute allocate resources is the guts of the resource allocator.
- *
+ *
* The problem.
* - Allocate resources locations for every device.
* - Don't overlap, and follow the rules of bridges.
@@ -253,7 +253,7 @@ static struct device *largest_resource(struct bus *bus, struct resource **result
* bridges. The first to see how large the resources are behind
* the bridge, and what their alignment requirements are. The
* second to assign a safe address to the devices behind the
- * bridge. This allows me to treat a bridge as just a device with
+ * bridge. This allows me to treat a bridge as just a device with
* a couple of resources, and not need to special case it in the
* allocator. Also this allows handling of other types of bridges.
*
@@ -272,7 +272,7 @@ void compute_allocate_resource(
min_align = 0;
base = bridge->base;
- printk_spew("%s compute_allocate_resource %s: base: %08Lx size: %08Lx align: %d gran: %d\n",
+ printk_spew("%s compute_allocate_resource %s: base: %08Lx size: %08Lx align: %d gran: %d\n",
dev_path(bus->dev),
(bridge->flags & IORESOURCE_IO)? "io":
(bridge->flags & IORESOURCE_PREFETCH)? "prefmem" : "mem",
@@ -295,7 +295,7 @@ void compute_allocate_resource(
/* Remember I haven't found anything yet. */
resource = 0;
- /* Walk through all the devices on the current bus and
+ /* Walk through all the devices on the current bus and
* compute the addresses.
*/
while((dev = largest_resource(bus, &resource, type_mask, type))) {
@@ -356,11 +356,11 @@ void compute_allocate_resource(
resource->flags |= IORESOURCE_ASSIGNED;
resource->flags &= ~IORESOURCE_STORED;
base += size;
-
+
printk_spew("%s %02lx * [0x%08Lx - 0x%08Lx] %s\n",
dev_path(dev),
- resource->index,
- resource->base,
+ resource->index,
+ resource->base,
resource->base + resource->size - 1,
(resource->flags & IORESOURCE_IO)? "io":
(resource->flags & IORESOURCE_PREFETCH)? "prefmem": "mem");
@@ -380,13 +380,11 @@ void compute_allocate_resource(
*/
bridge->size = round(base, bridge->gran) - bridge->base;
- printk_spew("%s compute_allocate_resource %s: base: %08Lx size: %08Lx align: %d gran: %d done\n",
- dev_path(bus->dev),
- (bridge->flags & IORESOURCE_IO)? "io":
- (bridge->flags & IORESOURCE_PREFETCH)? "prefmem" : "mem",
- base, bridge->size, bridge->align, bridge->gran);
-
-
+ printk_spew("%s compute_allocate_resource %s: base: %08Lx size: %08Lx align: %d gran: %d done\n",
+ dev_path(bus->dev),
+ (bridge->flags & IORESOURCE_IO)? "io":
+ (bridge->flags & IORESOURCE_PREFETCH)? "prefmem" : "mem",
+ base, bridge->size, bridge->align, bridge->gran);
}
#if CONFIG_CONSOLE_VGA == 1
@@ -407,7 +405,7 @@ static void allocate_vga_resource(void)
for(dev = all_devices; dev; dev = dev->next) {
if (!dev->enabled) continue;
if (((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) &&
- ((dev->class >> 8) != PCI_CLASS_DISPLAY_OTHER))
+ ((dev->class >> 8) != PCI_CLASS_DISPLAY_OTHER))
{
if (!vga_first) {
if (dev->on_mainboard) {
@@ -427,7 +425,7 @@ static void allocate_vga_resource(void)
dev->command &= ~(PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
}
}
-
+
vga = vga_last;
if(!vga) {
@@ -443,7 +441,7 @@ static void allocate_vga_resource(void)
vga = vga_onboard;
}
-
+
if (vga) {
/* vga is first add on card or the only onboard vga */
printk_debug("Allocating VGA resource %s\n", dev_path(vga));
@@ -458,7 +456,7 @@ static void allocate_vga_resource(void)
dev_path(bus->dev));
bus->bridge_ctrl |= PCI_BRIDGE_CTL_VGA;
bus = (bus == bus->dev->bus)? 0 : bus->dev->bus;
- }
+ }
}
#endif
@@ -481,7 +479,7 @@ void assign_resources(struct bus *bus)
{
struct device *curdev;
- printk_spew("%s assign_resources, bus %d link: %d\n",
+ printk_spew("%s assign_resources, bus %d link: %d\n",
dev_path(bus->dev), bus->secondary, bus->link);
for(curdev = bus->children; curdev; curdev = curdev->sibling) {
@@ -495,7 +493,7 @@ void assign_resources(struct bus *bus)
}
curdev->ops->set_resources(curdev);
}
- printk_spew("%s assign_resources, bus %d link: %d\n",
+ printk_spew("%s assign_resources, bus %d link: %d\n",
dev_path(bus->dev), bus->secondary, bus->link);
}
@@ -529,7 +527,7 @@ void enable_resources(struct device *dev)
dev->ops->enable_resources(dev);
}
-/**
+/**
* @brief Reset all of the devices a bus
*
* Reset all of the devices on a bus and clear the bus's reset_needed flag.
@@ -550,11 +548,11 @@ int reset_bus(struct bus *bus)
return 0;
}
-/**
+/**
* @brief Scan for devices on a bus.
*
* If there are bridges on the bus, recursively scan the buses behind the bridges.
- * If the setting up and tuning of the bus causes a reset to be required,
+ * If the setting up and tuning of the bus causes a reset to be required,
* reset the bus and scan it again.
*
* @param bus pointer to the bus device
@@ -612,7 +610,7 @@ unsigned int scan_bus(device_t bus, unsigned int max)
* This function has no idea how to scan and probe buses and devices at all.
* It depends on the bus/device specific scan_bus() method to do it. The
* scan_bus() method also has to create the device structure and attach
- * it to the device tree.
+ * it to the device tree.
*/
void dev_enumerate(void)
{
@@ -633,7 +631,7 @@ void dev_enumerate(void)
/**
* @brief Configure devices on the devices tree.
- *
+ *
* Starting at the root of the device tree, travel it recursively in two
* passes. In the first pass, we compute and allocate resources (ranges)
* requried by each device. In the second pass, the resources ranges are
@@ -643,7 +641,7 @@ void dev_enumerate(void)
* at DEVICE_MEM_HIGH and grow downward.
*
* Since the assignment is hierarchical we set the values into the dev_root
- * struct.
+ * struct.
*/
void dev_configure(void)
{
@@ -682,7 +680,7 @@ void dev_configure(void)
#if CONFIG_CONSOLE_VGA == 1
/* Allocate the VGA I/O resource.. */
- allocate_vga_resource();
+ allocate_vga_resource();
#endif
/* Store the computed resource allocations into device registers ... */
@@ -726,8 +724,8 @@ void dev_initialize(void)
printk_info("Initializing devices...\n");
for(dev = all_devices; dev; dev = dev->next) {
- if (dev->enabled && !dev->initialized &&
- dev->ops && dev->ops->init)
+ if (dev->enabled && !dev->initialized &&
+ dev->ops && dev->ops->init)
{
if (dev->path.type == DEVICE_PATH_I2C) {
printk_debug("smbus: %s[%d]->",
diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c
index c816ae0b2c..1c5df7a3ac 100644
--- a/src/devices/pci_device.c
+++ b/src/devices/pci_device.c
@@ -55,7 +55,7 @@ uint8_t pci_moving_config8(struct device *dev, unsigned reg)
{
uint8_t value, ones, zeroes;
value = pci_read_config8(dev, reg);
-
+
pci_write_config8(dev, reg, 0xff);
ones = pci_read_config8(dev, reg);
@@ -71,7 +71,7 @@ uint16_t pci_moving_config16(struct device *dev, unsigned reg)
{
uint16_t value, ones, zeroes;
value = pci_read_config16(dev, reg);
-
+
pci_write_config16(dev, reg, 0xffff);
ones = pci_read_config16(dev, reg);
@@ -87,7 +87,7 @@ uint32_t pci_moving_config32(struct device *dev, unsigned reg)
{
uint32_t value, ones, zeroes;
value = pci_read_config32(dev, reg);
-
+
pci_write_config32(dev, reg, 0xffffffff);
ones = pci_read_config32(dev, reg);
@@ -146,7 +146,7 @@ unsigned pci_find_capability(device_t dev, unsigned cap)
}
-/** Given a device and register, read the size of the BAR for that register.
+/** Given a device and register, read the size of the BAR for that register.
* @param dev Pointer to the device structure
* @param resource Pointer to the resource structure
* @param index Address of the pci configuration register
@@ -176,7 +176,7 @@ struct resource *pci_get_resource(struct device *dev, unsigned long index)
/* Find the high bits that move */
moving |= ((resource_t)pci_moving_config32(dev, index + 4)) << 32;
}
- /* Find the resource constraints.
+ /* Find the resource constraints.
*
* Start by finding the bits that move. From there:
* - Size is the least significant bit of the bits that move.
@@ -195,12 +195,12 @@ struct resource *pci_get_resource(struct device *dev, unsigned long index)
resource->limit = limit = moving | (resource->size - 1);
}
/*
- * some broken hardware has read-only registers that do not
+ * some broken hardware has read-only registers that do not
* really size correctly.
- * Example: the acer m7229 has BARs 1-4 normally read-only.
+ * Example: the acer m7229 has BARs 1-4 normally read-only.
* so BAR1 at offset 0x10 reads 0x1f1. If you size that register
- * by writing 0xffffffff to it, it will read back as 0x1f1 -- a
- * violation of the spec.
+ * by writing 0xffffffff to it, it will read back as 0x1f1 -- a
+ * violation of the spec.
* We catch this case and ignore it by observing which bits move,
* This also catches the common case unimplemented registers
* that always read back as 0.
@@ -219,7 +219,7 @@ struct resource *pci_get_resource(struct device *dev, unsigned long index)
resource->flags |= IORESOURCE_IO;
/* I don't want to deal with 32bit I/O resources */
resource->limit = 0xffff;
- }
+ }
else {
/* A Memory mapped base address */
attr &= PCI_BASE_ADDRESS_MEM_ATTR_MASK;
@@ -290,7 +290,7 @@ static void pci_get_rom_resource(struct device *dev, unsigned long index)
/* clear the Enable bit */
moving = moving & ~PCI_ROM_ADDRESS_ENABLE;
- /* Find the resource constraints.
+ /* Find the resource constraints.
*
* Start by finding the bits that move. From there:
* - Size is the least significant bit of the bits that move.
@@ -325,12 +325,12 @@ static void pci_get_rom_resource(struct device *dev, unsigned long index)
resource->base = dev->rom_address;
resource->flags |= IORESOURCE_MEM | IORESOURCE_READONLY |
IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
- }
+ }
compact_resources(dev);
}
-/** Read the base address registers for a given device.
+/** Read the base address registers for a given device.
* @param dev Pointer to the dev structure
* @param howmany How many registers to read (6 for device, 2 for bridge)
*/
@@ -405,7 +405,7 @@ static void pci_bridge_read_bases(struct device *dev)
/* Initialize the io space constraints on the current bus */
pci_record_bridge_resource(
- dev, moving, PCI_IO_BASE,
+ dev, moving, PCI_IO_BASE,
IORESOURCE_IO, IORESOURCE_IO);
@@ -415,14 +415,14 @@ static void pci_bridge_read_bases(struct device *dev)
moving_limit = ((resource_t)pci_moving_config16(dev, PCI_PREF_MEMORY_LIMIT)) << 16;
moving_limit |= ((resource_t)pci_moving_config32(dev, PCI_PREF_LIMIT_UPPER32)) << 32;
-
+
moving = moving_base & moving_limit;
/* Initiliaze the prefetchable memory constraints on the current bus */
pci_record_bridge_resource(
- dev, moving, PCI_PREF_MEMORY_BASE,
+ dev, moving, PCI_PREF_MEMORY_BASE,
IORESOURCE_MEM | IORESOURCE_PREFETCH,
IORESOURCE_MEM | IORESOURCE_PREFETCH);
-
+
/* See if the bridge mem resources are implemented */
moving_base = ((uint32_t)pci_moving_config16(dev, PCI_MEMORY_BASE)) << 16;
@@ -432,7 +432,7 @@ static void pci_bridge_read_bases(struct device *dev)
/* Initialize the memory resources on the current bus */
pci_record_bridge_resource(
- dev, moving, PCI_MEMORY_BASE,
+ dev, moving, PCI_MEMORY_BASE,
IORESOURCE_MEM | IORESOURCE_PREFETCH,
IORESOURCE_MEM);
@@ -496,13 +496,13 @@ static void pci_set_resource(struct device *dev, struct resource *resource)
/* Get the end */
end = resource_end(resource);
-
+
/* Now store the resource */
resource->flags |= IORESOURCE_STORED;
if (!(resource->flags & IORESOURCE_PCI_BRIDGE)) {
unsigned long base_lo, base_hi;
/*
- * some chipsets allow us to set/clear the IO bit.
+ * some chipsets allow us to set/clear the IO bit.
* (e.g. VIA 82c686a.) So set it to be safe)
*/
base_lo = base & 0xffffffff;
@@ -517,7 +517,7 @@ static void pci_set_resource(struct device *dev, struct resource *resource)
}
else if (resource->index == PCI_IO_BASE) {
/* set the IO ranges */
- compute_allocate_resource(&dev->link[0], resource,
+ compute_allocate_resource(&dev->link[0], resource,
IORESOURCE_IO, IORESOURCE_IO);
pci_write_config8(dev, PCI_IO_BASE, base >> 8);
pci_write_config16(dev, PCI_IO_BASE_UPPER16, base >> 16);
@@ -527,7 +527,7 @@ static void pci_set_resource(struct device *dev, struct resource *resource)
else if (resource->index == PCI_MEMORY_BASE) {
/* set the memory range */
compute_allocate_resource(&dev->link[0], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
+ IORESOURCE_MEM | IORESOURCE_PREFETCH,
IORESOURCE_MEM);
pci_write_config16(dev, PCI_MEMORY_BASE, base >> 16);
pci_write_config16(dev, PCI_MEMORY_LIMIT, end >> 16);
@@ -535,7 +535,7 @@ static void pci_set_resource(struct device *dev, struct resource *resource)
else if (resource->index == PCI_PREF_MEMORY_BASE) {
/* set the prefetchable memory range */
compute_allocate_resource(&dev->link[0], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
+ IORESOURCE_MEM | IORESOURCE_PREFETCH,
IORESOURCE_MEM | IORESOURCE_PREFETCH);
pci_write_config16(dev, PCI_PREF_MEMORY_BASE, base >> 16);
pci_write_config32(dev, PCI_PREF_BASE_UPPER32, base >> 32);
@@ -597,10 +597,10 @@ void pci_dev_enable_resources(struct device *dev)
ops = ops_pci(dev);
if (dev->on_mainboard && ops && ops->set_subsystem) {
printk_debug("%s subsystem <- %02x/%02x\n",
- dev_path(dev),
+ dev_path(dev),
MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID,
MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID);
- ops->set_subsystem(dev,
+ ops->set_subsystem(dev,
MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID,
MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID);
}
@@ -642,7 +642,7 @@ void pci_bus_reset(struct bus *bus)
void pci_dev_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
- pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
@@ -722,12 +722,12 @@ struct device_operations default_pci_ops_bus = {
* to figure out the type of downstream bridge. PCI-X
* PCI-E, and Hypertransport all seem to have appropriate
* capabilities.
- *
+ *
* When only a PCI-Express capability is found the type
* is examined to see which type of bridge we have.
*
* @param dev
- *
+ *
* @return appropriate bridge operations
*/
static struct device_operations *get_pci_bridge_ops(device_t dev)
@@ -751,7 +751,7 @@ static struct device_operations *get_pci_bridge_ops(device_t dev)
flags = pci_read_config16(dev, pos + PCI_CAP_FLAGS);
if ((flags >> 13) == 1) {
/* Host or Secondary Interface */
- printk_debug("%s subbordinate bus Hypertransport\n",
+ printk_debug("%s subbordinate bus Hypertransport\n",
dev_path(dev));
return &default_ht_ops_bus;
}
@@ -766,11 +766,11 @@ static struct device_operations *get_pci_bridge_ops(device_t dev)
case PCI_EXP_TYPE_ROOT_PORT:
case PCI_EXP_TYPE_UPSTREAM:
case PCI_EXP_TYPE_DOWNSTREAM:
- printk_debug("%s subbordinate bus PCI Express\n",
+ printk_debug("%s subbordinate bus PCI Express\n",
dev_path(dev));
return &default_pciexp_ops_bus;
case PCI_EXP_TYPE_PCI_BRIDGE:
- printk_debug("%s subbordinate PCI\n",
+ printk_debug("%s subbordinate PCI\n",
dev_path(dev));
return &default_pci_ops_bus;
default:
@@ -785,7 +785,7 @@ static struct device_operations *get_pci_bridge_ops(device_t dev)
* @brief Set up PCI device operation
*
*
- * @param dev
+ * @param dev
*
* @see pci_drivers
*/
@@ -797,14 +797,14 @@ static void set_pci_ops(struct device *dev)
}
/* Look through the list of setup drivers and find one for
- * this pci device
+ * this pci device
*/
for(driver = &pci_drivers[0]; driver != &epci_drivers[0]; driver++) {
if ((driver->vendor == dev->vendor) &&
- (driver->device == dev->device))
+ (driver->device == dev->device))
{
dev->ops = driver->ops;
- printk_spew("%s [%04x/%04x] %sops\n",
+ printk_spew("%s [%04x/%04x] %sops\n",
dev_path(dev),
driver->vendor, driver->device,
(driver->ops->scan_bus?"bus ":""));
@@ -835,7 +835,7 @@ static void set_pci_ops(struct device *dev)
printk_err("%s [%04x/%04x/%06x] has unknown header "
"type %02x, ignoring.\n",
dev_path(dev),
- dev->vendor, dev->device,
+ dev->vendor, dev->device,
dev->class >> 8, dev->hdr_type);
}
}
@@ -875,9 +875,9 @@ static struct device *pci_scan_get_dev(struct device **list, unsigned int devfn)
break;
}
}
- /* Just like alloc_dev add the device to the list of device on the bus.
- * When the list of devices was formed we removed all of the parents
- * children, and now we are interleaving static and dynamic devices in
+ /* Just like alloc_dev add the device to the list of device on the bus.
+ * When the list of devices was formed we removed all of the parents
+ * children, and now we are interleaving static and dynamic devices in
* order on the bus.
*/
if (dev) {
@@ -897,7 +897,7 @@ static struct device *pci_scan_get_dev(struct device **list, unsigned int devfn)
return dev;
}
-/**
+/**
* @brief Scan a PCI bus.
*
* Determine the existence of a given PCI device.
@@ -936,13 +936,13 @@ device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn)
* found the device specific operations this
* operations we will disable the device with
* those as well.
- *
+ *
* This is geared toward devices that have subfunctions
* that do not show up by default.
- *
+ *
* If a device is a stuff option on the motherboard
* it may be absent and enable_dev must cope.
- *
+ *
*/
/* Run the magice enable sequence for the device */
if (dev->chip_ops && dev->chip_ops->enable_dev) {
@@ -950,8 +950,8 @@ device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn)
}
/* Now read the vendor and device id */
id = pci_read_config32(dev, PCI_VENDOR_ID);
-
-
+
+
/* If the device does not have a pci id disable it.
* Possibly this is because we have already disabled
* the device. But this also handles optional devices
@@ -959,7 +959,7 @@ device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn)
*/
/* If the chain is fully enumerated quit */
if ( (id == 0xffffffff) || (id == 0x00000000) ||
- (id == 0x0000ffff) || (id == 0xffff0000))
+ (id == 0x0000ffff) || (id == 0xffff0000))
{
if (dev->enabled) {
printk_info("Disabling static device: %s\n",
@@ -972,14 +972,14 @@ device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn)
/* Read the rest of the pci configuration information */
hdr_type = pci_read_config8(dev, PCI_HEADER_TYPE);
class = pci_read_config32(dev, PCI_CLASS_REVISION);
-
+
/* Store the interesting information in the device structure */
dev->vendor = id & 0xffff;
dev->device = (id >> 16) & 0xffff;
dev->hdr_type = hdr_type;
/* class code, the upper 3 bytes of PCI_CLASS_REVISION */
dev->class = class >> 8;
-
+
/* Architectural/System devices always need to
* be bus masters.
@@ -987,7 +987,7 @@ device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn)
if ((dev->class >> 16) == PCI_BASE_CLASS_SYSTEM) {
dev->command |= PCI_COMMAND_MASTER;
}
- /* Look at the vendor and device id, or at least the
+ /* Look at the vendor and device id, or at least the
* header type and class and figure out which set of
* configuration methods to use. Unless we already
* have some pci ops.
@@ -998,14 +998,14 @@ device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn)
if (dev->ops && dev->ops->enable) {
dev->ops->enable(dev);
}
-
+
/* Display the device and error if we don't have some pci operations
* for it.
*/
printk_debug("%s [%04x/%04x] %s%s\n",
dev_path(dev),
- dev->vendor, dev->device,
+ dev->vendor, dev->device,
dev->enabled?"enabled": "disabled",
dev->ops?"" : " No operations"
);
@@ -1013,7 +1013,7 @@ device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn)
return dev;
}
-/**
+/**
* @brief Scan a PCI bus.
*
* Determine the existence of devices and bridges on a PCI bus. If there are
@@ -1059,14 +1059,14 @@ unsigned int pci_scan_bus(struct bus *bus,
/* See if a device is present and setup the device
* structure.
*/
- dev = pci_probe_dev(dev, bus, devfn);
+ dev = pci_probe_dev(dev, bus, devfn);
- /* if this is not a multi function device,
+ /* if this is not a multi function device,
* or the device is not present don't waste
- * time probing another function.
- * Skip to next device.
+ * time probing another function.
+ * Skip to next device.
*/
- if ((PCI_FUNC(devfn) == 0x00) &&
+ if ((PCI_FUNC(devfn) == 0x00) &&
(!dev || (dev->enabled && ((dev->hdr_type & 0x80) != 0x80))))
{
devfn += 0x07;
@@ -1074,7 +1074,7 @@ unsigned int pci_scan_bus(struct bus *bus,
}
post_code(0x25);
- /* Die if any left over static devices are are found.
+ /* Die if any left over static devices are are found.
* There's probably a problem in the Config.lb.
*/
if(old_devices) {
@@ -1118,8 +1118,8 @@ unsigned int pci_scan_bus(struct bus *bus,
*
* @return The maximum bus number found, after scanning all subordinate busses
*/
-unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
- unsigned int (*do_scan_bus)(struct bus *bus,
+unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
+ unsigned int (*do_scan_bus)(struct bus *bus,
unsigned min_devfn, unsigned max_devfn, unsigned int max))
{
struct bus *bus;
@@ -1134,7 +1134,7 @@ unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
/* Set up the primary, secondary and subordinate bus numbers. We have
* no idea how many buses are behind this bridge yet, so we set the
- * subordinate bus number to 0xff for the moment.
+ * subordinate bus number to 0xff for the moment.
*/
bus->secondary = ++max;
bus->subordinate = 0xff;
@@ -1160,7 +1160,7 @@ unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
((unsigned int) (bus->subordinate) << 16));
pci_write_config32(dev, PCI_PRIMARY_BUS, buses);
- /* Now we can scan all subordinate buses
+ /* Now we can scan all subordinate buses
* i.e. the bus behind the bridge.
*/
max = do_scan_bus(bus, 0x00, 0xff, max);
@@ -1173,7 +1173,7 @@ unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
((unsigned int) (bus->subordinate) << 16);
pci_write_config32(dev, PCI_PRIMARY_BUS, buses);
pci_write_config16(dev, PCI_COMMAND, cr);
-
+
printk_spew("%s returns max %d\n", __func__, max);
return max;
}
@@ -1231,10 +1231,10 @@ void pci_level_irq(unsigned char intNum)
the indicated device address. If the device does not exist or does
not require interrupts then this function has no effect.
- This function should be called for each PCI slot in your system.
+ This function should be called for each PCI slot in your system.
pIntAtoD is an array of IRQ #s that are assigned to PINTA through PINTD of
- this slot.
+ this slot.
The particular irq #s that are passed in depend on the routing inside
your southbridge and on your motherboard.
@@ -1256,7 +1256,7 @@ void pci_assign_irqs(unsigned bus, unsigned slot,
if (pdev) {
line = pci_read_config8(pdev, PCI_INTERRUPT_PIN);
- // PCI spec says all other values are reserved
+ // PCI spec says all other values are reserved
if ((line >= 1) && (line <= 4)) {
irq = pIntAtoD[line - 1];