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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

Browse Source 
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (24 commits)
  [POWERPC] Fix vmemmap warning in init_64.c
  [POWERPC] Fix 64 bits vDSO DWARF info for CR register
  [POWERPC] Add 1TB workaround for PA6T
  [POWERPC] Enable NO_HZ and high res timers for pseries and ppc64 configs
  [POWERPC] Quieten cache information at boot
  [POWERPC] Quieten clockevent printk
  [POWERPC] Enable SLUB in *_defconfig
  [POWERPC] Fix 1TB segment detection
  [POWERPC] Fix iSeries_hpte_insert prototype
  [POWERPC] Fix copyright symbol
  [POWERPC] ibmebus: Move to of_device and of_platform_driver, match eHCA and eHEA drivers
  [POWERPC] ibmebus: Add device creation and bus probing based on of_device
  [POWERPC] ibmebus: Remove bus match/probe/remove functions
  [POWERPC] Move of_device allocation into of_device.[ch]
  [POWERPC] mpc52xx: device tree changes for FEC and MDIO
  [POWERPC] bestcomm: GenBD task support
  [POWERPC] bestcomm: FEC task support
  [POWERPC] bestcomm: ATA task support
  [POWERPC] bestcomm: core bestcomm support for Freescale MPC5200
  [POWERPC] mpc52xx: Update mpc52xx_psc structure with B revision changes
  ...
This commit is contained in:
Linus Torvalds
2007-10-17 09:05:55 -07:00
parent 347c53dca7 4acadb965c
commit c548f08a4f
88 changed files with 3010 additions and 483 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/powerpc/kernel/entry_64.S
View File

@ -408,6 +408,12 @@ END_FTR_SECTION_IFSET(CPU_FTR_1T_SEGMENT)
std r7,SLBSHADOW_STACKVSID(r9) /* Save VSID */
std r0,SLBSHADOW_STACKESID(r9) /* Save ESID */
/* No need to check for CPU_FTR_NO_SLBIE_B here, since when
* we have 1TB segments, the only CPUs known to have the errata
* only support less than 1TB of system memory and we'll never
* actually hit this code path.
*/
slbie r6
slbie r6 /* Workaround POWER5 < DD2.1 issue */
slbmte r7,r0

263
arch/powerpc/kernel/ibmebus.c
View File

@ -41,6 +41,7 @@
#include <linux/kobject.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/of_platform.h>
#include <asm/ibmebus.h>
#include <asm/abs_addr.h>
@ -50,6 +51,13 @@ static struct device ibmebus_bus_device = { /* fake "parent" device */
struct bus_type ibmebus_bus_type;
/* These devices will automatically be added to the bus during init */
static struct of_device_id builtin_matches[] = {
{ .compatible = "IBM,lhca" },
{ .compatible = "IBM,lhea" },
{},
};
static void *ibmebus_alloc_coherent(struct device *dev,
size_t size,
dma_addr_t *dma_handle,
@ -124,190 +132,87 @@ static struct dma_mapping_ops ibmebus_dma_ops = {
.dma_supported = ibmebus_dma_supported,
};
static int ibmebus_bus_probe(struct device *dev)
static int ibmebus_match_path(struct device *dev, void *data)
{
struct ibmebus_dev *ibmebusdev = to_ibmebus_dev(dev);
struct ibmebus_driver *ibmebusdrv = to_ibmebus_driver(dev->driver);
const struct of_device_id *id;
int error = -ENODEV;
if (!ibmebusdrv->probe)
return error;
id = of_match_device(ibmebusdrv->id_table, &ibmebusdev->ofdev);
if (id) {
error = ibmebusdrv->probe(ibmebusdev, id);
}
return error;
struct device_node *dn = to_of_device(dev)->node;
return (dn->full_name &&
(strcasecmp((char *)data, dn->full_name) == 0));
}
static int ibmebus_bus_remove(struct device *dev)
static int ibmebus_match_node(struct device *dev, void *data)
{
struct ibmebus_dev *ibmebusdev = to_ibmebus_dev(dev);
struct ibmebus_driver *ibmebusdrv = to_ibmebus_driver(dev->driver);
if (ibmebusdrv->remove) {
return ibmebusdrv->remove(ibmebusdev);
}
return 0;
return to_of_device(dev)->node == data;
}
static void __devinit ibmebus_dev_release(struct device *dev)
static int ibmebus_create_device(struct device_node *dn)
{
of_node_put(to_ibmebus_dev(dev)->ofdev.node);
kfree(to_ibmebus_dev(dev));
}
struct of_device *dev;
int ret;
static int __devinit ibmebus_register_device_common(
struct ibmebus_dev *dev, const char *name)
{
int err = 0;
dev->ofdev.dev.parent = &ibmebus_bus_device;
dev->ofdev.dev.bus = &ibmebus_bus_type;
dev->ofdev.dev.release = ibmebus_dev_release;
dev->ofdev.dev.archdata.of_node = dev->ofdev.node;
dev->ofdev.dev.archdata.dma_ops = &ibmebus_dma_ops;
dev->ofdev.dev.archdata.numa_node = of_node_to_nid(dev->ofdev.node);
/* An ibmebusdev is based on a of_device. We have to change the
* bus type to use our own DMA mapping operations.
*/
if ((err = of_device_register(&dev->ofdev)) != 0) {
printk(KERN_ERR "%s: failed to register device (%d).\n",
__FUNCTION__, err);
return -ENODEV;
}
return 0;
}
static struct ibmebus_dev* __devinit ibmebus_register_device_node(
struct device_node *dn)
{
struct ibmebus_dev *dev;
int i, len, bus_len;
dev = kzalloc(sizeof(struct ibmebus_dev), GFP_KERNEL);
dev = of_device_alloc(dn, NULL, &ibmebus_bus_device);
if (!dev)
return ERR_PTR(-ENOMEM);
return -ENOMEM;
dev->ofdev.node = of_node_get(dn);
dev->dev.bus = &ibmebus_bus_type;
dev->dev.archdata.dma_ops = &ibmebus_dma_ops;
len = strlen(dn->full_name + 1);
bus_len = min(len, BUS_ID_SIZE - 1);
memcpy(dev->ofdev.dev.bus_id, dn->full_name + 1
+ (len - bus_len), bus_len);
for (i = 0; i < bus_len; i++)
if (dev->ofdev.dev.bus_id[i] == '/')
dev->ofdev.dev.bus_id[i] = '_';
/* Register with generic device framework. */
if (ibmebus_register_device_common(dev, dn->name) != 0) {
kfree(dev);
return ERR_PTR(-ENODEV);
ret = of_device_register(dev);
if (ret) {
of_device_free(dev);
return ret;
}
return dev;
}
static void ibmebus_probe_of_nodes(char* name)
{
struct device_node *dn = NULL;
while ((dn = of_find_node_by_name(dn, name))) {
if (IS_ERR(ibmebus_register_device_node(dn))) {
of_node_put(dn);
return;
}
}
of_node_put(dn);
return;
}
static void ibmebus_add_devices_by_id(struct of_device_id *idt)
{
while (strlen(idt->name) > 0) {
ibmebus_probe_of_nodes(idt->name);
idt++;
}
return;
}
static int ibmebus_match_name(struct device *dev, void *data)
{
const struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev);
const char *name;
name = of_get_property(ebus_dev->ofdev.node, "name", NULL);
if (name && (strcmp(data, name) == 0))
return 1;
return 0;
}
static int ibmebus_unregister_device(struct device *dev)
static int ibmebus_create_devices(const struct of_device_id *matches)
{
of_device_unregister(to_of_device(dev));
struct device_node *root, *child;
int ret = 0;
return 0;
}
root = of_find_node_by_path("/");
static void ibmebus_remove_devices_by_id(struct of_device_id *idt)
{
struct device *dev;
for (child = NULL; (child = of_get_next_child(root, child)); ) {
if (!of_match_node(matches, child))
continue;
while (strlen(idt->name) > 0) {
while ((dev = bus_find_device(&ibmebus_bus_type, NULL,
(void*)idt->name,
ibmebus_match_name))) {
ibmebus_unregister_device(dev);
if (bus_find_device(&ibmebus_bus_type, NULL, child,
ibmebus_match_node))
continue;
ret = ibmebus_create_device(child);
if (ret) {
printk(KERN_ERR "%s: failed to create device (%i)",
__FUNCTION__, ret);
of_node_put(child);
break;
}
idt++;
}
return;
of_node_put(root);
return ret;
}
int ibmebus_register_driver(struct ibmebus_driver *drv)
int ibmebus_register_driver(struct of_platform_driver *drv)
{
int err = 0;
/* If the driver uses devices that ibmebus doesn't know, add them */
ibmebus_create_devices(drv->match_table);
drv->driver.name = drv->name;
drv->driver.bus = &ibmebus_bus_type;
drv->driver.probe = ibmebus_bus_probe;
drv->driver.remove = ibmebus_bus_remove;
if ((err = driver_register(&drv->driver) != 0))
return err;
/* remove all supported devices first, in case someone
* probed them manually before registering the driver */
ibmebus_remove_devices_by_id(drv->id_table);
ibmebus_add_devices_by_id(drv->id_table);
return 0;
return driver_register(&drv->driver);
}
EXPORT_SYMBOL(ibmebus_register_driver);
void ibmebus_unregister_driver(struct ibmebus_driver *drv)
void ibmebus_unregister_driver(struct of_platform_driver *drv)
{
driver_unregister(&drv->driver);
ibmebus_remove_devices_by_id(drv->id_table);
}
EXPORT_SYMBOL(ibmebus_unregister_driver);
int ibmebus_request_irq(struct ibmebus_dev *dev,
u32 ist,
irq_handler_t handler,
unsigned long irq_flags, const char * devname,
int ibmebus_request_irq(u32 ist, irq_handler_t handler,
unsigned long irq_flags, const char *devname,
void *dev_id)
{
unsigned int irq = irq_create_mapping(NULL, ist);
@ -315,12 +220,11 @@ int ibmebus_request_irq(struct ibmebus_dev *dev,
if (irq == NO_IRQ)
return -EINVAL;
return request_irq(irq, handler,
irq_flags, devname, dev_id);
return request_irq(irq, handler, irq_flags, devname, dev_id);
}
EXPORT_SYMBOL(ibmebus_request_irq);
void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id)
void ibmebus_free_irq(u32 ist, void *dev_id)
{
unsigned int irq = irq_find_mapping(NULL, ist);
@ -328,29 +232,10 @@ void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id)
}
EXPORT_SYMBOL(ibmebus_free_irq);
static int ibmebus_bus_match(struct device *dev, struct device_driver *drv)
{
const struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev);
struct ibmebus_driver *ebus_drv = to_ibmebus_driver(drv);
const struct of_device_id *ids = ebus_drv->id_table;
const struct of_device_id *found_id;
if (!ids)
return 0;
found_id = of_match_device(ids, &ebus_dev->ofdev);
if (found_id)
return 1;
return 0;
}
static ssize_t name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev);
const char *name = of_get_property(ebus_dev->ofdev.node, "name", NULL);
return sprintf(buf, "%s\n", name);
return sprintf(buf, "%s\n", to_of_device(dev)->node->name);
}
static struct device_attribute ibmebus_dev_attrs[] = {
@ -358,18 +243,6 @@ static struct device_attribute ibmebus_dev_attrs[] = {
__ATTR_NULL
};
static int ibmebus_match_path(struct device *dev, void *data)
{
int rc;
struct device_node *dn =
of_node_get(to_ibmebus_dev(dev)->ofdev.node);
rc = (dn->full_name && (strcasecmp((char*)data, dn->full_name) == 0));
of_node_put(dn);
return rc;
}
static char *ibmebus_chomp(const char *in, size_t count)
{
char *out = kmalloc(count + 1, GFP_KERNEL);
@ -389,9 +262,8 @@ static ssize_t ibmebus_store_probe(struct bus_type *bus,
const char *buf, size_t count)
{
struct device_node *dn = NULL;
struct ibmebus_dev *dev;
char *path;
ssize_t rc;
ssize_t rc = 0;
path = ibmebus_chomp(buf, count);
if (!path)
@ -406,9 +278,8 @@ static ssize_t ibmebus_store_probe(struct bus_type *bus,
}
if ((dn = of_find_node_by_path(path))) {
dev = ibmebus_register_device_node(dn);
rc = ibmebus_create_device(dn);
of_node_put(dn);
rc = IS_ERR(dev) ? PTR_ERR(dev) : count;
} else {
printk(KERN_WARNING "%s: no such device node: %s\n",
__FUNCTION__, path);
@ -417,7 +288,9 @@ static ssize_t ibmebus_store_probe(struct bus_type *bus,
out:
kfree(path);
return rc;
if (rc)
return rc;
return count;
}
static ssize_t ibmebus_store_remove(struct bus_type *bus,
@ -432,7 +305,7 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus,
if ((dev = bus_find_device(&ibmebus_bus_type, NULL, path,
ibmebus_match_path))) {
ibmebus_unregister_device(dev);
of_device_unregister(to_of_device(dev));
kfree(path);
return count;
@ -452,8 +325,7 @@ static struct bus_attribute ibmebus_bus_attrs[] = {
};
struct bus_type ibmebus_bus_type = {
.name = "ibmebus",
.match = ibmebus_bus_match,
.uevent = of_device_uevent,
.dev_attrs = ibmebus_dev_attrs,
.bus_attrs = ibmebus_bus_attrs
};
@ -465,9 +337,9 @@ static int __init ibmebus_bus_init(void)
printk(KERN_INFO "IBM eBus Device Driver\n");
err = bus_register(&ibmebus_bus_type);
err = of_bus_type_init(&ibmebus_bus_type, "ibmebus");
if (err) {
printk(KERN_ERR ":%s: failed to register IBM eBus.\n",
printk(KERN_ERR "%s: failed to register IBM eBus.\n",
__FUNCTION__);
return err;
}
@ -481,6 +353,13 @@ static int __init ibmebus_bus_init(void)
return err;
}
err = ibmebus_create_devices(builtin_matches);
if (err) {
device_unregister(&ibmebus_bus_device);
bus_unregister(&ibmebus_bus_type);
return err;
}
return 0;
}
__initcall(ibmebus_bus_init);
postcore_initcall(ibmebus_bus_init);

80
arch/powerpc/kernel/of_device.c
View File

@ -7,8 +7,88 @@
#include <linux/slab.h>
#include <asm/errno.h>
#include <asm/dcr.h>
#include <asm/of_device.h>
static void of_device_make_bus_id(struct of_device *dev)
{
static atomic_t bus_no_reg_magic;
struct device_node *node = dev->node;
char *name = dev->dev.bus_id;
const u32 *reg;
u64 addr;
int magic;
/*
* If it's a DCR based device, use 'd' for native DCRs
* and 'D' for MMIO DCRs.
*/
#ifdef CONFIG_PPC_DCR
reg = of_get_property(node, "dcr-reg", NULL);
if (reg) {
#ifdef CONFIG_PPC_DCR_NATIVE
snprintf(name, BUS_ID_SIZE, "d%x.%s",
*reg, node->name);
#else /* CONFIG_PPC_DCR_NATIVE */
addr = of_translate_dcr_address(node, *reg, NULL);
if (addr != OF_BAD_ADDR) {
snprintf(name, BUS_ID_SIZE,
"D%llx.%s", (unsigned long long)addr,
node->name);
return;
}
#endif /* !CONFIG_PPC_DCR_NATIVE */
}
#endif /* CONFIG_PPC_DCR */
/*
* For MMIO, get the physical address
*/
reg = of_get_property(node, "reg", NULL);
if (reg) {
addr = of_translate_address(node, reg);
if (addr != OF_BAD_ADDR) {
snprintf(name, BUS_ID_SIZE,
"%llx.%s", (unsigned long long)addr,
node->name);
return;
}
}
/*
* No BusID, use the node name and add a globally incremented
* counter (and pray...)
*/
magic = atomic_add_return(1, &bus_no_reg_magic);
snprintf(name, BUS_ID_SIZE, "%s.%d", node->name, magic - 1);
}
struct of_device *of_device_alloc(struct device_node *np,
const char *bus_id,
struct device *parent)
{
struct of_device *dev;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return NULL;
dev->node = of_node_get(np);
dev->dev.dma_mask = &dev->dma_mask;
dev->dev.parent = parent;
dev->dev.release = of_release_dev;
dev->dev.archdata.of_node = np;
dev->dev.archdata.numa_node = of_node_to_nid(np);
if (bus_id)
strlcpy(dev->dev.bus_id, bus_id, BUS_ID_SIZE);
else
of_device_make_bus_id(dev);
return dev;
}
EXPORT_SYMBOL(of_device_alloc);
ssize_t of_device_get_modalias(struct of_device *ofdev,
char *str, ssize_t len)
{

70
arch/powerpc/kernel/of_platform.c
View File

@ -23,7 +23,6 @@
#include <linux/of_platform.h>
#include <asm/errno.h>
#include <asm/dcr.h>
#include <asm/topology.h>
#include <asm/pci-bridge.h>
#include <asm/ppc-pci.h>
@ -53,8 +52,6 @@ static struct of_device_id of_default_bus_ids[] = {
{},
};
static atomic_t bus_no_reg_magic;
struct bus_type of_platform_bus_type = {
.uevent = of_device_uevent,
};
@ -87,89 +84,26 @@ void of_unregister_platform_driver(struct of_platform_driver *drv)
}
EXPORT_SYMBOL(of_unregister_platform_driver);
static void of_platform_make_bus_id(struct of_device *dev)
{
struct device_node *node = dev->node;
char *name = dev->dev.bus_id;
const u32 *reg;
u64 addr;
int magic;
/*
* If it's a DCR based device, use 'd' for native DCRs
* and 'D' for MMIO DCRs.
*/
#ifdef CONFIG_PPC_DCR
reg = of_get_property(node, "dcr-reg", NULL);
if (reg) {
#ifdef CONFIG_PPC_DCR_NATIVE
snprintf(name, BUS_ID_SIZE, "d%x.%s",
*reg, node->name);
#else /* CONFIG_PPC_DCR_NATIVE */
addr = of_translate_dcr_address(node, *reg, NULL);
if (addr != OF_BAD_ADDR) {
snprintf(name, BUS_ID_SIZE,
"D%llx.%s", (unsigned long long)addr,
node->name);
return;
}
#endif /* !CONFIG_PPC_DCR_NATIVE */
}
#endif /* CONFIG_PPC_DCR */
/*
* For MMIO, get the physical address
*/
reg = of_get_property(node, "reg", NULL);
if (reg) {
addr = of_translate_address(node, reg);
if (addr != OF_BAD_ADDR) {
snprintf(name, BUS_ID_SIZE,
"%llx.%s", (unsigned long long)addr,
node->name);
return;
}
}
/*
* No BusID, use the node name and add a globally incremented
* counter (and pray...)
*/
magic = atomic_add_return(1, &bus_no_reg_magic);
snprintf(name, BUS_ID_SIZE, "%s.%d", node->name, magic - 1);
}
struct of_device* of_platform_device_create(struct device_node *np,
const char *bus_id,
struct device *parent)
{
struct of_device *dev;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
dev = of_device_alloc(np, bus_id, parent);
if (!dev)
return NULL;
dev->node = of_node_get(np);
dev->dma_mask = 0xffffffffUL;
dev->dev.dma_mask = &dev->dma_mask;
dev->dev.parent = parent;
dev->dev.bus = &of_platform_bus_type;
dev->dev.release = of_release_dev;
dev->dev.archdata.of_node = np;
dev->dev.archdata.numa_node = of_node_to_nid(np);
/* We do not fill the DMA ops for platform devices by default.
* This is currently the responsibility of the platform code
* to do such, possibly using a device notifier
*/
if (bus_id)
strlcpy(dev->dev.bus_id, bus_id, BUS_ID_SIZE);
else
of_platform_make_bus_id(dev);
if (of_device_register(dev) != 0) {
kfree(dev);
of_device_free(dev);
return NULL;
}

13
arch/powerpc/kernel/setup_64.c
View File

@ -426,11 +426,14 @@ void __init setup_system(void)
printk("-----------------------------------------------------\n");
printk("ppc64_pft_size = 0x%lx\n", ppc64_pft_size);
printk("physicalMemorySize = 0x%lx\n", lmb_phys_mem_size());
printk("ppc64_caches.dcache_line_size = 0x%x\n",
ppc64_caches.dline_size);
printk("ppc64_caches.icache_line_size = 0x%x\n",
ppc64_caches.iline_size);
printk("htab_address = 0x%p\n", htab_address);
if (ppc64_caches.dline_size != 0x80)
printk("ppc64_caches.dcache_line_size = 0x%x\n",
ppc64_caches.dline_size);
if (ppc64_caches.iline_size != 0x80)
printk("ppc64_caches.icache_line_size = 0x%x\n",
ppc64_caches.iline_size);
if (htab_address)
printk("htab_address = 0x%p\n", htab_address);
printk("htab_hash_mask = 0x%lx\n", htab_hash_mask);
#if PHYSICAL_START > 0
printk("physical_start = 0x%x\n", PHYSICAL_START);

2
arch/powerpc/kernel/time.c
View File

@ -829,7 +829,7 @@ static void register_decrementer_clockevent(int cpu)
*dec = decrementer_clockevent;
dec->cpumask = cpumask_of_cpu(cpu);
printk(KERN_ERR "clockevent: %s mult[%lx] shift[%d] cpu[%d]\n",
printk(KERN_INFO "clockevent: %s mult[%lx] shift[%d] cpu[%d]\n",
dec->name, dec->mult, dec->shift, cpu);
clockevents_register_device(dec);

11
arch/powerpc/kernel/vdso64/sigtramp.S
View File

@ -134,13 +134,16 @@ V_FUNCTION_END(__kernel_sigtramp_rt64)
9:
/* This is where the pt_regs pointer can be found on the stack. */
#define PTREGS 128+168+56
#define PTREGS 128+168+56
/* Size of regs. */
#define RSIZE 8
#define RSIZE 8
/* Size of CR reg in DWARF unwind info. */
#define CRSIZE 4
/* This is the offset of the VMX reg pointer. */
#define VREGS 48*RSIZE+33*8
#define VREGS 48*RSIZE+33*8
/* Describe where general purpose regs are saved. */
#define EH_FRAME_GEN \
@ -178,7 +181,7 @@ V_FUNCTION_END(__kernel_sigtramp_rt64)
rsave (31, 31*RSIZE); \
rsave (67, 32*RSIZE); /* ap, used as temp for nip */ \
rsave (65, 36*RSIZE); /* lr */ \
rsave (70, 38*RSIZE) /* cr */
rsave (70, 38*RSIZE + (RSIZE - CRSIZE)) /* cr */
/* Describe where the FP regs are saved. */
#define EH_FRAME_FP \