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authorDavid Howells <dhowells@redhat.com>2006-12-05 17:01:28 +0000
committerDavid Howells <dhowells@warthog.cambridge.redhat.com>2006-12-05 17:01:28 +0000
commit9db73724453a9350e1c22dbe732d427e2939a5c9 (patch)
tree15e3ead6413ae97398a54292acc199bee0864d42 /arch/powerpc/platforms/pseries
parent4c1ac1b49122b805adfa4efc620592f68dccf5db (diff)
parente62438630ca37539c8cc1553710bbfaa3cf960a7 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/ata/libata-scsi.c include/linux/libata.h Futher merge of Linus's head and compilation fixups. Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/powerpc/platforms/pseries')
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c90
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c4
-rw-r--r--arch/powerpc/platforms/pseries/pci.c35
-rw-r--r--arch/powerpc/platforms/pseries/pci_dlpar.c6
-rw-r--r--arch/powerpc/platforms/pseries/reconfig.c3
-rw-r--r--arch/powerpc/platforms/pseries/setup.c5
-rw-r--r--arch/powerpc/platforms/pseries/xics.c68
7 files changed, 105 insertions, 106 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 556c279a789..3c95392f4f4 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -309,7 +309,7 @@ static void iommu_table_setparms_lpar(struct pci_controller *phb,
tbl->it_size = size >> IOMMU_PAGE_SHIFT;
}
-static void iommu_bus_setup_pSeries(struct pci_bus *bus)
+static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
{
struct device_node *dn;
struct iommu_table *tbl;
@@ -318,10 +318,9 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus)
struct pci_dn *pci;
int children;
- DBG("iommu_bus_setup_pSeries, bus %p, bus->self %p\n", bus, bus->self);
-
dn = pci_bus_to_OF_node(bus);
- pci = PCI_DN(dn);
+
+ DBG("pci_dma_bus_setup_pSeries: setting up bus %s\n", dn->full_name);
if (bus->self) {
/* This is not a root bus, any setup will be done for the
@@ -329,6 +328,7 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus)
*/
return;
}
+ pci = PCI_DN(dn);
/* Check if the ISA bus on the system is under
* this PHB.
@@ -390,17 +390,17 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus)
}
-static void iommu_bus_setup_pSeriesLP(struct pci_bus *bus)
+static void pci_dma_bus_setup_pSeriesLP(struct pci_bus *bus)
{
struct iommu_table *tbl;
struct device_node *dn, *pdn;
struct pci_dn *ppci;
const void *dma_window = NULL;
- DBG("iommu_bus_setup_pSeriesLP, bus %p, bus->self %p\n", bus, bus->self);
-
dn = pci_bus_to_OF_node(bus);
+ DBG("pci_dma_bus_setup_pSeriesLP: setting up bus %s\n", dn->full_name);
+
/* Find nearest ibm,dma-window, walking up the device tree */
for (pdn = dn; pdn != NULL; pdn = pdn->parent) {
dma_window = get_property(pdn, "ibm,dma-window", NULL);
@@ -409,11 +409,15 @@ static void iommu_bus_setup_pSeriesLP(struct pci_bus *bus)
}
if (dma_window == NULL) {
- DBG("iommu_bus_setup_pSeriesLP: bus %s seems to have no ibm,dma-window property\n", dn->full_name);
+ DBG(" no ibm,dma-window property !\n");
return;
}
ppci = PCI_DN(pdn);
+
+ DBG(" parent is %s, iommu_table: 0x%p\n",
+ pdn->full_name, ppci->iommu_table);
+
if (!ppci->iommu_table) {
/* Bussubno hasn't been copied yet.
* Do it now because iommu_table_setparms_lpar needs it.
@@ -427,6 +431,7 @@ static void iommu_bus_setup_pSeriesLP(struct pci_bus *bus)
iommu_table_setparms_lpar(ppci->phb, pdn, tbl, dma_window);
ppci->iommu_table = iommu_init_table(tbl, ppci->phb->node);
+ DBG(" created table: %p\n", ppci->iommu_table);
}
if (pdn != dn)
@@ -434,27 +439,27 @@ static void iommu_bus_setup_pSeriesLP(struct pci_bus *bus)
}
-static void iommu_dev_setup_pSeries(struct pci_dev *dev)
+static void pci_dma_dev_setup_pSeries(struct pci_dev *dev)
{
- struct device_node *dn, *mydn;
+ struct device_node *dn;
struct iommu_table *tbl;
- DBG("iommu_dev_setup_pSeries, dev %p (%s)\n", dev, pci_name(dev));
+ DBG("pci_dma_dev_setup_pSeries: %s\n", pci_name(dev));
- mydn = dn = pci_device_to_OF_node(dev);
+ dn = dev->dev.archdata.of_node;
/* If we're the direct child of a root bus, then we need to allocate
* an iommu table ourselves. The bus setup code should have setup
* the window sizes already.
*/
if (!dev->bus->self) {
+ struct pci_controller *phb = PCI_DN(dn)->phb;
+
DBG(" --> first child, no bridge. Allocating iommu table.\n");
tbl = kmalloc_node(sizeof(struct iommu_table), GFP_KERNEL,
- PCI_DN(dn)->phb->node);
- iommu_table_setparms(PCI_DN(dn)->phb, dn, tbl);
- PCI_DN(dn)->iommu_table = iommu_init_table(tbl,
- PCI_DN(dn)->phb->node);
-
+ phb->node);
+ iommu_table_setparms(phb, dn, tbl);
+ dev->dev.archdata.dma_data = iommu_init_table(tbl, phb->node);
return;
}
@@ -465,11 +470,11 @@ static void iommu_dev_setup_pSeries(struct pci_dev *dev)
while (dn && PCI_DN(dn) && PCI_DN(dn)->iommu_table == NULL)
dn = dn->parent;
- if (dn && PCI_DN(dn)) {
- PCI_DN(mydn)->iommu_table = PCI_DN(dn)->iommu_table;
- } else {
- DBG("iommu_dev_setup_pSeries, dev %p (%s) has no iommu table\n", dev, pci_name(dev));
- }
+ if (dn && PCI_DN(dn))
+ dev->dev.archdata.dma_data = PCI_DN(dn)->iommu_table;
+ else
+ printk(KERN_WARNING "iommu: Device %s has no iommu table\n",
+ pci_name(dev));
}
static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
@@ -495,13 +500,15 @@ static struct notifier_block iommu_reconfig_nb = {
.notifier_call = iommu_reconfig_notifier,
};
-static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
+static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev)
{
struct device_node *pdn, *dn;
struct iommu_table *tbl;
const void *dma_window = NULL;
struct pci_dn *pci;
+ DBG("pci_dma_dev_setup_pSeriesLP: %s\n", pci_name(dev));
+
/* dev setup for LPAR is a little tricky, since the device tree might
* contain the dma-window properties per-device and not neccesarily
* for the bus. So we need to search upwards in the tree until we
@@ -509,9 +516,7 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
* already allocated.
*/
dn = pci_device_to_OF_node(dev);
-
- DBG("iommu_dev_setup_pSeriesLP, dev %p (%s) %s\n",
- dev, pci_name(dev), dn->full_name);
+ DBG(" node is %s\n", dn->full_name);
for (pdn = dn; pdn && PCI_DN(pdn) && !PCI_DN(pdn)->iommu_table;
pdn = pdn->parent) {
@@ -520,16 +525,17 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
break;
}
+ DBG(" parent is %s\n", pdn->full_name);
+
/* Check for parent == NULL so we don't try to setup the empty EADS
* slots on POWER4 machines.
*/
if (dma_window == NULL || pdn->parent == NULL) {
- DBG("No dma window for device, linking to parent\n");
- PCI_DN(dn)->iommu_table = PCI_DN(pdn)->iommu_table;
+ DBG(" no dma window for device, linking to parent\n");
+ dev->dev.archdata.dma_data = PCI_DN(pdn)->iommu_table;
return;
- } else {
- DBG("Found DMA window, allocating table\n");
}
+ DBG(" found DMA window, table: %p\n", pci->iommu_table);
pci = PCI_DN(pdn);
if (!pci->iommu_table) {
@@ -542,24 +548,20 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
iommu_table_setparms_lpar(pci->phb, pdn, tbl, dma_window);
pci->iommu_table = iommu_init_table(tbl, pci->phb->node);
+ DBG(" created table: %p\n", pci->iommu_table);
}
- if (pdn != dn)
- PCI_DN(dn)->iommu_table = pci->iommu_table;
+ dev->dev.archdata.dma_data = pci->iommu_table;
}
-static void iommu_bus_setup_null(struct pci_bus *b) { }
-static void iommu_dev_setup_null(struct pci_dev *d) { }
-
/* These are called very early. */
void iommu_init_early_pSeries(void)
{
if (of_chosen && get_property(of_chosen, "linux,iommu-off", NULL)) {
/* Direct I/O, IOMMU off */
- ppc_md.iommu_dev_setup = iommu_dev_setup_null;
- ppc_md.iommu_bus_setup = iommu_bus_setup_null;
- pci_direct_iommu_init();
-
+ ppc_md.pci_dma_dev_setup = NULL;
+ ppc_md.pci_dma_bus_setup = NULL;
+ pci_dma_ops = &dma_direct_ops;
return;
}
@@ -572,19 +574,19 @@ void iommu_init_early_pSeries(void)
ppc_md.tce_free = tce_free_pSeriesLP;
}
ppc_md.tce_get = tce_get_pSeriesLP;
- ppc_md.iommu_bus_setup = iommu_bus_setup_pSeriesLP;
- ppc_md.iommu_dev_setup = iommu_dev_setup_pSeriesLP;
+ ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_pSeriesLP;
+ ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_pSeriesLP;
} else {
ppc_md.tce_build = tce_build_pSeries;
ppc_md.tce_free = tce_free_pSeries;
ppc_md.tce_get = tce_get_pseries;
- ppc_md.iommu_bus_setup = iommu_bus_setup_pSeries;
- ppc_md.iommu_dev_setup = iommu_dev_setup_pSeries;
+ ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_pSeries;
+ ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_pSeries;
}
pSeries_reconfig_notifier_register(&iommu_reconfig_nb);
- pci_iommu_init();
+ pci_dma_ops = &dma_iommu_ops;
}
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 1820a0b0a8c..721436db3ef 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -282,7 +282,7 @@ void vpa_init(int cpu)
}
}
-long pSeries_lpar_hpte_insert(unsigned long hpte_group,
+static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
unsigned long va, unsigned long pa,
unsigned long rflags, unsigned long vflags,
int psize)
@@ -506,7 +506,7 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
* Take a spinlock around flushes to avoid bouncing the hypervisor tlbie
* lock.
*/
-void pSeries_lpar_flush_hash_range(unsigned long number, int local)
+static void pSeries_lpar_flush_hash_range(unsigned long number, int local)
{
int i;
unsigned long flags = 0;
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 410a6bcc4ca..715db5c8990 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -29,8 +29,6 @@
#include <asm/prom.h>
#include <asm/ppc-pci.h>
-static int __devinitdata s7a_workaround = -1;
-
#if 0
void pcibios_name_device(struct pci_dev *dev)
{
@@ -57,39 +55,6 @@ void pcibios_name_device(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_name_device);
#endif
-static void __devinit check_s7a(void)
-{
- struct device_node *root;
- const char *model;
-
- s7a_workaround = 0;
- root = of_find_node_by_path("/");
- if (root) {
- model = get_property(root, "model", NULL);
- if (model && !strcmp(model, "IBM,7013-S7A"))
- s7a_workaround = 1;
- of_node_put(root);
- }
-}
-
-void __devinit pSeries_irq_bus_setup(struct pci_bus *bus)
-{
- struct pci_dev *dev;
-
- if (s7a_workaround < 0)
- check_s7a();
- list_for_each_entry(dev, &bus->devices, bus_list) {
- pci_read_irq_line(dev);
- if (s7a_workaround) {
- if (dev->irq > 16) {
- dev->irq -= 3;
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE,
- dev->irq);
- }
- }
- }
-}
-
static void __init pSeries_request_regions(void)
{
if (!isa_io_base)
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 6bfacc21708..ac56b868913 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -93,8 +93,8 @@ pcibios_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus)
if (list_empty(&dev->global_list)) {
int i;
- /* Need to setup IOMMU tables */
- ppc_md.iommu_dev_setup(dev);
+ /* Fill device archdata and setup iommu table */
+ pcibios_setup_new_device(dev);
if(fix_bus)
pcibios_fixup_device_resources(dev, bus);
@@ -195,7 +195,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
phb = pcibios_alloc_controller(dn);
if (!phb)
return NULL;
- setup_phb(dn, phb);
+ rtas_setup_phb(phb);
pci_process_bridge_OF_ranges(phb, dn, 0);
pci_setup_phb_io_dynamic(phb, primary);
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 1773103354b..4ad33e41b00 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -268,11 +268,10 @@ static char * parse_next_property(char *buf, char *end, char **name, int *length
static struct property *new_property(const char *name, const int length,
const unsigned char *value, struct property *last)
{
- struct property *new = kmalloc(sizeof(*new), GFP_KERNEL);
+ struct property *new = kzalloc(sizeof(*new), GFP_KERNEL);
if (!new)
return NULL;
- memset(new, 0, sizeof(*new));
if (!(new->name = kmalloc(strlen(name) + 1, GFP_KERNEL)))
goto cleanup;
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 89a8119f988..0dc2548ca9b 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -347,6 +347,7 @@ static int __init pSeries_init_panel(void)
}
arch_initcall(pSeries_init_panel);
+#ifdef CONFIG_HOTPLUG_CPU
static void pSeries_mach_cpu_die(void)
{
local_irq_disable();
@@ -357,6 +358,9 @@ static void pSeries_mach_cpu_die(void)
BUG();
for(;;);
}
+#else
+#define pSeries_mach_cpu_die NULL
+#endif
static int pseries_set_dabr(unsigned long dabr)
{
@@ -553,7 +557,6 @@ define_machine(pseries) {
.log_error = pSeries_log_error,
.pcibios_fixup = pSeries_final_fixup,
.pci_probe_mode = pSeries_pci_probe_mode,
- .irq_bus_setup = pSeries_irq_bus_setup,
.restart = rtas_restart,
.power_off = rtas_power_off,
.halt = rtas_halt,
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index d071abe78ab..b5b2b1103de 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -656,13 +656,38 @@ static void __init xics_setup_8259_cascade(void)
set_irq_chained_handler(cascade, pseries_8259_cascade);
}
+static struct device_node *cpuid_to_of_node(int cpu)
+{
+ struct device_node *np;
+ u32 hcpuid = get_hard_smp_processor_id(cpu);
+
+ for_each_node_by_type(np, "cpu") {
+ int i, len;
+ const u32 *intserv;
+
+ intserv = get_property(np, "ibm,ppc-interrupt-server#s", &len);
+
+ if (!intserv)
+ intserv = get_property(np, "reg", &len);
+
+ i = len / sizeof(u32);
+
+ while (i--)
+ if (intserv[i] == hcpuid)
+ return np;
+ }
+
+ return NULL;
+}
+
void __init xics_init_IRQ(void)
{
- int i;
+ int i, j;
struct device_node *np;
u32 ilen, indx = 0;
- const u32 *ireg;
+ const u32 *ireg, *isize;
int found = 0;
+ u32 hcpuid;
ppc64_boot_msg(0x20, "XICS Init");
@@ -683,26 +708,31 @@ void __init xics_init_IRQ(void)
xics_init_host();
/* Find the server numbers for the boot cpu. */
- for (np = of_find_node_by_type(NULL, "cpu");
- np;
- np = of_find_node_by_type(np, "cpu")) {
- ireg = get_property(np, "reg", &ilen);
- if (ireg && ireg[0] == get_hard_smp_processor_id(boot_cpuid)) {
- ireg = get_property(np,
- "ibm,ppc-interrupt-gserver#s", &ilen);
- i = ilen / sizeof(int);
- if (ireg && i > 0) {
- default_server = ireg[0];
- /* take last element */
- default_distrib_server = ireg[i-1];
- }
- ireg = get_property(np,
+ np = cpuid_to_of_node(boot_cpuid);
+ BUG_ON(!np);
+ ireg = get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen);
+ if (!ireg)
+ goto skip_gserver_check;
+ i = ilen / sizeof(int);
+ hcpuid = get_hard_smp_processor_id(boot_cpuid);
+
+ /* Global interrupt distribution server is specified in the last
+ * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last
+ * entry fom this property for current boot cpu id and use it as
+ * default distribution server
+ */
+ for (j = 0; j < i; j += 2) {
+ if (ireg[j] == hcpuid) {
+ default_server = hcpuid;
+ default_distrib_server = ireg[j+1];
+
+ isize = get_property(np,
"ibm,interrupt-server#-size", NULL);
- if (ireg)
- interrupt_server_size = *ireg;
- break;
+ if (isize)
+ interrupt_server_size = *isize;
}
}
+skip_gserver_check:
of_node_put(np);
if (firmware_has_feature(FW_FEATURE_LPAR))