Commit 89e1f2a2 authored by David Mosberger's avatar David Mosberger

Merge tiger.hpl.hp.com:/bk/vanilla/linux-2.5

into tiger.hpl.hp.com:/bk/lia64/to-linus-2.5
parents f4f8a039 52177532
...@@ -12,17 +12,3 @@ export-objs := sba_iommu.o ...@@ -12,17 +12,3 @@ export-objs := sba_iommu.o
obj-y := sba_iommu.o obj-y := sba_iommu.o
include $(TOPDIR)/Rules.make include $(TOPDIR)/Rules.make
#
# ia64/platform/hp/common/Makefile
#
# Copyright (C) 2002 Hewlett Packard
# Copyright (C) Alex Williamson (alex_williamson@hp.com)
#
O_TARGET := common.o
export-objs := sba_iommu.o
obj-y := sba_iommu.o
include $(TOPDIR)/Rules.make
...@@ -7,9 +7,9 @@ ...@@ -7,9 +7,9 @@
* case means sys_sim.c console (goes via the simulator). The code hereafter * case means sys_sim.c console (goes via the simulator). The code hereafter
* is completely leveraged from the serial.c driver. * is completely leveraged from the serial.c driver.
* *
* Copyright (C) 1999-2000 Hewlett-Packard Co * Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
* Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com> * Stephane Eranian <eranian@hpl.hp.com>
* Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com> * David Mosberger-Tang <davidm@hpl.hp.com>
* *
* 02/04/00 D. Mosberger Merged in serial.c bug fixes in rs_close(). * 02/04/00 D. Mosberger Merged in serial.c bug fixes in rs_close().
* 02/25/00 D. Mosberger Synced up with 2.3.99pre-5 version of serial.c. * 02/25/00 D. Mosberger Synced up with 2.3.99pre-5 version of serial.c.
...@@ -24,7 +24,7 @@ ...@@ -24,7 +24,7 @@
#include <linux/major.h> #include <linux/major.h>
#include <linux/fcntl.h> #include <linux/fcntl.h>
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/malloc.h> #include <linux/slab.h>
#include <linux/console.h> #include <linux/console.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/serial.h> #include <linux/serial.h>
......
...@@ -198,7 +198,6 @@ extern acpi_status acpi_get_crs(acpi_handle, acpi_buffer *); ...@@ -198,7 +198,6 @@ extern acpi_status acpi_get_crs(acpi_handle, acpi_buffer *);
extern acpi_resource *acpi_get_crs_next(acpi_buffer *, int *); extern acpi_resource *acpi_get_crs_next(acpi_buffer *, int *);
extern acpi_resource_data *acpi_get_crs_type(acpi_buffer *, int *, int); extern acpi_resource_data *acpi_get_crs_type(acpi_buffer *, int *, int);
extern void acpi_dispose_crs(acpi_buffer *); extern void acpi_dispose_crs(acpi_buffer *);
extern acpi_status acpi_cf_evaluate_method(acpi_handle, UINT8 *, NATIVE_UINT *);
static acpi_status static acpi_status
hp_csr_space(acpi_handle obj, u64 *csr_base, u64 *csr_length) hp_csr_space(acpi_handle obj, u64 *csr_base, u64 *csr_length)
...@@ -398,403 +397,3 @@ hpzx1_pci_fixup (int phase) ...@@ -398,403 +397,3 @@ hpzx1_pci_fixup (int phase)
if (phase == 1) if (phase == 1)
sba_init(); sba_init();
} }
/*
* Misc. support for HP zx1 chipset support
*
* Copyright (C) 2002 Hewlett-Packard Co
* Copyright (C) 2002 Alex Williamson <alex_williamson@hp.com>
* Copyright (C) 2002 Bjorn Helgaas <bjorn_helgaas@hp.com>
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/acpi.h>
#include <asm/iosapic.h>
#include <asm/efi.h>
#include "../drivers/acpi/include/platform/acgcc.h"
#include "../drivers/acpi/include/actypes.h"
#include "../drivers/acpi/include/acexcep.h"
#include "../drivers/acpi/include/acpixf.h"
#include "../drivers/acpi/include/actbl.h"
#include "../drivers/acpi/include/acconfig.h"
#include "../drivers/acpi/include/acmacros.h"
#include "../drivers/acpi/include/aclocal.h"
#include "../drivers/acpi/include/acobject.h"
#include "../drivers/acpi/include/acstruct.h"
#include "../drivers/acpi/include/acnamesp.h"
#include "../drivers/acpi/include/acutils.h"
#define PFX "hpzx1: "
struct fake_pci_dev {
struct fake_pci_dev *next;
unsigned char bus;
unsigned int devfn;
int sizing; // in middle of BAR sizing operation?
unsigned long csr_base;
unsigned int csr_size;
unsigned long mapped_csrs; // ioremapped
};
static struct fake_pci_dev *fake_pci_head, **fake_pci_tail = &fake_pci_head;
static struct pci_ops orig_pci_ops;
static inline struct fake_pci_dev *
fake_pci_find_slot(unsigned char bus, unsigned int devfn)
{
struct fake_pci_dev *dev;
for (dev = fake_pci_head; dev; dev = dev->next)
if (dev->bus == bus && dev->devfn == devfn)
return dev;
return NULL;
}
static struct fake_pci_dev *
alloc_fake_pci_dev(void)
{
struct fake_pci_dev *dev;
dev = kmalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return NULL;
memset(dev, 0, sizeof(*dev));
*fake_pci_tail = dev;
fake_pci_tail = &dev->next;
return dev;
}
#define HP_CFG_RD(sz, bits, name) \
static int hp_cfg_read##sz (struct pci_dev *dev, int where, u##bits *value) \
{ \
struct fake_pci_dev *fake_dev; \
if (!(fake_dev = fake_pci_find_slot(dev->bus->number, dev->devfn))) \
return orig_pci_ops.name(dev, where, value); \
\
switch (where) { \
case PCI_COMMAND: \
*value = read##sz(fake_dev->mapped_csrs + where); \
*value |= PCI_COMMAND_MEMORY; /* SBA omits this */ \
break; \
case PCI_BASE_ADDRESS_0: \
if (fake_dev->sizing) \
*value = ~(fake_dev->csr_size - 1); \
else \
*value = (fake_dev->csr_base & \
PCI_BASE_ADDRESS_MEM_MASK) | \
PCI_BASE_ADDRESS_SPACE_MEMORY; \
fake_dev->sizing = 0; \
break; \
default: \
*value = read##sz(fake_dev->mapped_csrs + where); \
break; \
} \
return PCIBIOS_SUCCESSFUL; \
}
#define HP_CFG_WR(sz, bits, name) \
static int hp_cfg_write##sz (struct pci_dev *dev, int where, u##bits value) \
{ \
struct fake_pci_dev *fake_dev; \
if (!(fake_dev = fake_pci_find_slot(dev->bus->number, dev->devfn))) \
return orig_pci_ops.name(dev, where, value); \
\
switch (where) { \
case PCI_BASE_ADDRESS_0: \
if (value == ~0) \
fake_dev->sizing = 1; \
break; \
default: \
write##sz(value, fake_dev->mapped_csrs + where); \
break; \
} \
return PCIBIOS_SUCCESSFUL; \
}
HP_CFG_RD(b, 8, read_byte)
HP_CFG_RD(w, 16, read_word)
HP_CFG_RD(l, 32, read_dword)
HP_CFG_WR(b, 8, write_byte)
HP_CFG_WR(w, 16, write_word)
HP_CFG_WR(l, 32, write_dword)
static struct pci_ops hp_pci_conf = {
hp_cfg_readb,
hp_cfg_readw,
hp_cfg_readl,
hp_cfg_writeb,
hp_cfg_writew,
hp_cfg_writel,
};
/*
* Assume we'll never have a physical slot higher than 0x10, so we can
* use slots above that for "fake" PCI devices to represent things
* that only show up in the ACPI namespace.
*/
#define HP_MAX_SLOT 0x10
static struct fake_pci_dev *
hpzx1_fake_pci_dev(unsigned long addr, unsigned int bus, unsigned int size)
{
struct fake_pci_dev *dev;
int slot;
// Note: lspci thinks 0x1f is invalid
for (slot = 0x1e; slot > HP_MAX_SLOT; slot--) {
if (!fake_pci_find_slot(bus, PCI_DEVFN(slot, 0)))
break;
}
if (slot == HP_MAX_SLOT) {
printk(KERN_ERR PFX
"no slot space for device (0x%p) on bus 0x%02x\n",
(void *) addr, bus);
return NULL;
}
dev = alloc_fake_pci_dev();
if (!dev) {
printk(KERN_ERR PFX
"no memory for device (0x%p) on bus 0x%02x\n",
(void *) addr, bus);
return NULL;
}
dev->bus = bus;
dev->devfn = PCI_DEVFN(slot, 0);
dev->csr_base = addr;
dev->csr_size = size;
/*
* Drivers should ioremap what they need, but we have to do
* it here, too, so PCI config accesses work.
*/
dev->mapped_csrs = (unsigned long) ioremap(dev->csr_base, dev->csr_size);
return dev;
}
typedef struct {
u8 guid_id;
u8 guid[16];
u8 csr_base[8];
u8 csr_length[8];
} acpi_hp_vendor_long;
#define HP_CCSR_LENGTH 0x21
#define HP_CCSR_TYPE 0x2
#define HP_CCSR_GUID \
((efi_guid_t) { 0x69e9adf9, 0x924f, 0xab5f, { 0xf6, 0x4a, 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad }})
extern acpi_status acpi_get_crs(acpi_handle, acpi_buffer *);
extern acpi_resource *acpi_get_crs_next(acpi_buffer *, int *);
extern acpi_resource_data *acpi_get_crs_type(acpi_buffer *, int *, int);
extern void acpi_dispose_crs(acpi_buffer *);
extern acpi_status acpi_cf_evaluate_method(acpi_handle, UINT8 *, NATIVE_UINT *);
static acpi_status
hp_csr_space(acpi_handle obj, u64 *csr_base, u64 *csr_length)
{
int i, offset = 0;
acpi_status status;
acpi_buffer buf;
acpi_resource_vendor *res;
acpi_hp_vendor_long *hp_res;
efi_guid_t vendor_guid;
*csr_base = 0;
*csr_length = 0;
status = acpi_get_crs(obj, &buf);
if (status != AE_OK) {
printk(KERN_ERR PFX "Unable to get _CRS data on object\n");
return status;
}
res = (acpi_resource_vendor *)acpi_get_crs_type(&buf, &offset, ACPI_RSTYPE_VENDOR);
if (!res) {
printk(KERN_ERR PFX "Failed to find config space for device\n");
acpi_dispose_crs(&buf);
return AE_NOT_FOUND;
}
hp_res = (acpi_hp_vendor_long *)(res->reserved);
if (res->length != HP_CCSR_LENGTH || hp_res->guid_id != HP_CCSR_TYPE) {
printk(KERN_ERR PFX "Unknown Vendor data\n");
acpi_dispose_crs(&buf);
return AE_TYPE; /* Revisit error? */
}
memcpy(&vendor_guid, hp_res->guid, sizeof(efi_guid_t));
if (efi_guidcmp(vendor_guid, HP_CCSR_GUID) != 0) {
printk(KERN_ERR PFX "Vendor GUID does not match\n");
acpi_dispose_crs(&buf);
return AE_TYPE; /* Revisit error? */
}
for (i = 0 ; i < 8 ; i++) {
*csr_base |= ((u64)(hp_res->csr_base[i]) << (i * 8));
*csr_length |= ((u64)(hp_res->csr_length[i]) << (i * 8));
}
acpi_dispose_crs(&buf);
return AE_OK;
}
static acpi_status
hpzx1_sba_probe(acpi_handle obj, u32 depth, void *context, void **ret)
{
u64 csr_base = 0, csr_length = 0;
char *name = context;
struct fake_pci_dev *dev;
acpi_status status;
status = hp_csr_space(obj, &csr_base, &csr_length);
if (status != AE_OK)
return status;
/*
* Only SBA shows up in ACPI namespace, so its CSR space
* includes both SBA and IOC. Make SBA and IOC show up
* separately in PCI space.
*/
if ((dev = hpzx1_fake_pci_dev(csr_base, 0, 0x1000)))
printk(KERN_INFO PFX "%s SBA at 0x%lx; pci dev %02x:%02x.%d\n",
name, csr_base, dev->bus,
PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
if ((dev = hpzx1_fake_pci_dev(csr_base + 0x1000, 0, 0x1000)))
printk(KERN_INFO PFX "%s IOC at 0x%lx; pci dev %02x:%02x.%d\n",
name, csr_base + 0x1000, dev->bus,
PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
return AE_OK;
}
static acpi_status
hpzx1_lba_probe(acpi_handle obj, u32 depth, void *context, void **ret)
{
acpi_status status;
u64 csr_base = 0, csr_length = 0;
char *name = context;
NATIVE_UINT busnum = 0;
struct fake_pci_dev *dev;
status = hp_csr_space(obj, &csr_base, &csr_length);
if (status != AE_OK)
return status;
status = acpi_cf_evaluate_method(obj, METHOD_NAME__BBN, &busnum);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PFX "evaluate _BBN fail=0x%x\n", status);
busnum = 0; // no _BBN; stick it on bus 0
}
if ((dev = hpzx1_fake_pci_dev(csr_base, busnum, csr_length)))
printk(KERN_INFO PFX "%s LBA at 0x%lx, _BBN 0x%02x; "
"pci dev %02x:%02x.%d\n",
name, csr_base, busnum, dev->bus,
PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
return AE_OK;
}
static void
hpzx1_acpi_dev_init(void)
{
extern struct pci_ops pci_conf;
/*
* Make fake PCI devices for the following hardware in the
* ACPI namespace. This makes it more convenient for drivers
* because they can claim these devices based on PCI
* information, rather than needing to know about ACPI. The
* 64-bit "HPA" space for this hardware is available as BAR
* 0/1.
*
* HWP0001: Single IOC SBA w/o IOC in namespace
* HWP0002: LBA device
* HWP0003: AGP LBA device
*/
acpi_get_devices("HWP0001", hpzx1_sba_probe, "HWP0001", NULL);
#ifdef CONFIG_IA64_HP_PROTO
if (fake_pci_tail != &fake_pci_head) {
#endif
acpi_get_devices("HWP0002", hpzx1_lba_probe, "HWP0002", NULL);
acpi_get_devices("HWP0003", hpzx1_lba_probe, "HWP0003", NULL);
#ifdef CONFIG_IA64_HP_PROTO
}
#define ZX1_FUNC_ID_VALUE (PCI_DEVICE_ID_HP_ZX1_SBA << 16) | PCI_VENDOR_ID_HP
/*
* Early protos don't have bridges in the ACPI namespace, so
* if we didn't find anything, add the things we know are
* there.
*/
if (fake_pci_tail == &fake_pci_head) {
u64 hpa, csr_base;
struct fake_pci_dev *dev;
csr_base = 0xfed00000UL;
hpa = (u64) ioremap(csr_base, 0x1000);
if (__raw_readl(hpa) == ZX1_FUNC_ID_VALUE) {
if ((dev = hpzx1_fake_pci_dev(csr_base, 0, 0x1000)))
printk(KERN_INFO PFX "HWP0001 SBA at 0x%lx; "
"pci dev %02x:%02x.%d\n", csr_base,
dev->bus, PCI_SLOT(dev->devfn),
PCI_FUNC(dev->devfn));
if ((dev = hpzx1_fake_pci_dev(csr_base + 0x1000, 0,
0x1000)))
printk(KERN_INFO PFX "HWP0001 IOC at 0x%lx; "
"pci dev %02x:%02x.%d\n",
csr_base + 0x1000,
dev->bus, PCI_SLOT(dev->devfn),
PCI_FUNC(dev->devfn));
csr_base = 0xfed24000UL;
iounmap(hpa);
hpa = (u64) ioremap(csr_base, 0x1000);
if ((dev = hpzx1_fake_pci_dev(csr_base, 0x40, 0x1000)))
printk(KERN_INFO PFX "HWP0003 AGP LBA at "
"0x%lx; pci dev %02x:%02x.%d\n",
csr_base,
dev->bus, PCI_SLOT(dev->devfn),
PCI_FUNC(dev->devfn));
}
iounmap(hpa);
}
#endif
if (fake_pci_tail == &fake_pci_head)
return;
/*
* Replace PCI ops, but only if we made fake devices.
*/
orig_pci_ops = pci_conf;
pci_conf = hp_pci_conf;
}
extern void sba_init(void);
void
hpzx1_pci_fixup (int phase)
{
if (phase == 0)
hpzx1_acpi_dev_init();
iosapic_pci_fixup(phase);
if (phase == 1)
sba_init();
}
...@@ -5,7 +5,7 @@ ...@@ -5,7 +5,7 @@
* *
* Copyright (C) 1999 VA Linux Systems * Copyright (C) 1999 VA Linux Systems
* Copyright (C) 1999 Walt Drummond <drummond@valinux.com> * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
* Copyright (C) 1999-2001 Hewlett-Packard Co. * Copyright (C) 1999-2002 Hewlett-Packard Co.
* David Mosberger-Tang <davidm@hpl.hp.com> * David Mosberger-Tang <davidm@hpl.hp.com>
* Stephane Eranian <eranian@hpl.hp.com> * Stephane Eranian <eranian@hpl.hp.com>
* *
...@@ -212,8 +212,8 @@ efi_map_pal_code (void) ...@@ -212,8 +212,8 @@ efi_map_pal_code (void)
void *efi_map_start, *efi_map_end, *p; void *efi_map_start, *efi_map_end, *p;
efi_memory_desc_t *md; efi_memory_desc_t *md;
u64 efi_desc_size; u64 efi_desc_size;
int pal_code_count=0; int pal_code_count = 0;
u64 mask, flags; u64 mask, psr;
u64 vaddr; u64 vaddr;
efi_map_start = __va(ia64_boot_param->efi_memmap); efi_map_start = __va(ia64_boot_param->efi_memmap);
...@@ -266,10 +266,10 @@ efi_map_pal_code (void) ...@@ -266,10 +266,10 @@ efi_map_pal_code (void)
/* /*
* Cannot write to CRx with PSR.ic=1 * Cannot write to CRx with PSR.ic=1
*/ */
ia64_clear_ic(flags); psr = ia64_clear_ic();
ia64_itr(0x1, IA64_TR_PALCODE, vaddr & mask, ia64_itr(0x1, IA64_TR_PALCODE, vaddr & mask,
pte_val(mk_pte_phys(md->phys_addr, PAGE_KERNEL)), IA64_GRANULE_SHIFT); pte_val(mk_pte_phys(md->phys_addr, PAGE_KERNEL)), IA64_GRANULE_SHIFT);
local_irq_restore(flags); ia64_set_psr(psr);
ia64_srlz_i(); ia64_srlz_i();
} }
} }
...@@ -485,7 +485,7 @@ efi_get_iobase (void) ...@@ -485,7 +485,7 @@ efi_get_iobase (void)
} }
u32 u32
efi_mem_type (u64 phys_addr) efi_mem_type (unsigned long phys_addr)
{ {
void *efi_map_start, *efi_map_end, *p; void *efi_map_start, *efi_map_end, *p;
efi_memory_desc_t *md; efi_memory_desc_t *md;
...@@ -506,7 +506,7 @@ efi_mem_type (u64 phys_addr) ...@@ -506,7 +506,7 @@ efi_mem_type (u64 phys_addr)
} }
u64 u64
efi_mem_attributes (u64 phys_addr) efi_mem_attributes (unsigned long phys_addr)
{ {
void *efi_map_start, *efi_map_end, *p; void *efi_map_start, *efi_map_end, *p;
efi_memory_desc_t *md; efi_memory_desc_t *md;
......
...@@ -13,7 +13,7 @@ ...@@ -13,7 +13,7 @@
#include <asm/unistd.h> #include <asm/unistd.h>
#include <asm/page.h> #include <asm/page.h>
.section .text.gate,"ax" .section .text.gate, "ax"
# define ARG0_OFF (16 + IA64_SIGFRAME_ARG0_OFFSET) # define ARG0_OFF (16 + IA64_SIGFRAME_ARG0_OFFSET)
# define ARG1_OFF (16 + IA64_SIGFRAME_ARG1_OFFSET) # define ARG1_OFF (16 + IA64_SIGFRAME_ARG1_OFFSET)
...@@ -108,7 +108,7 @@ back_from_setup_rbs: ...@@ -108,7 +108,7 @@ back_from_setup_rbs:
dep r8=0,r8,38,26 // clear EC0, CPL0 and reserved bits dep r8=0,r8,38,26 // clear EC0, CPL0 and reserved bits
adds base1=(FR6_OFF+16+SIGCONTEXT_OFF),sp adds base1=(FR6_OFF+16+SIGCONTEXT_OFF),sp
;; ;;
.spillsp ar.pfs, CFM_OFF .spillsp ar.pfs, CFM_OFF+SIGCONTEXT_OFF
st8 [base0]=r8 // save CFM0 st8 [base0]=r8 // save CFM0
adds base0=(FR6_OFF+SIGCONTEXT_OFF),sp adds base0=(FR6_OFF+SIGCONTEXT_OFF),sp
;; ;;
......
...@@ -24,6 +24,7 @@ ...@@ -24,6 +24,7 @@
* /proc/irq/#/smp_affinity * /proc/irq/#/smp_affinity
* 02/04/02 P. Diefenbaugh Cleaned up ACPI PCI IRQ routing. * 02/04/02 P. Diefenbaugh Cleaned up ACPI PCI IRQ routing.
* 02/04/18 J.I. Lee bug fix in iosapic_init_pci_irq * 02/04/18 J.I. Lee bug fix in iosapic_init_pci_irq
* 02/04/30 J.I. Lee bug fix in find_iosapic to fix ACPI PCI IRQ to IOSAPIC mapping error
*/ */
/* /*
* Here is what the interrupt logic between a PCI device and the CPU looks like: * Here is what the interrupt logic between a PCI device and the CPU looks like:
...@@ -112,7 +113,7 @@ find_iosapic (unsigned int irq) ...@@ -112,7 +113,7 @@ find_iosapic (unsigned int irq)
int i; int i;
for (i = 0; i < num_iosapic; i++) { for (i = 0; i < num_iosapic; i++) {
if ((irq - iosapic_lists[i].base_irq) < iosapic_lists[i].max_pin) if ((unsigned) (irq - iosapic_lists[i].base_irq) <= iosapic_lists[i].max_pin)
return i; return i;
} }
...@@ -138,7 +139,7 @@ iosapic_irq_to_vector (int irq) ...@@ -138,7 +139,7 @@ iosapic_irq_to_vector (int irq)
* Map PCI pin to the corresponding IA-64 interrupt vector. If no such mapping exists, * Map PCI pin to the corresponding IA-64 interrupt vector. If no such mapping exists,
* return -1. * return -1.
*/ */
static int int
pci_pin_to_vector (int bus, int slot, int pci_pin) pci_pin_to_vector (int bus, int slot, int pci_pin)
{ {
struct pci_vector_struct *r; struct pci_vector_struct *r;
......
...@@ -265,7 +265,7 @@ put_gate_page (struct page *page, unsigned long address) ...@@ -265,7 +265,7 @@ put_gate_page (struct page *page, unsigned long address)
void __init void __init
ia64_mmu_init (void *my_cpu_data) ia64_mmu_init (void *my_cpu_data)
{ {
unsigned long flags, rid, pta, impl_va_bits; unsigned long psr, rid, pta, impl_va_bits;
extern void __init tlb_init (void); extern void __init tlb_init (void);
#ifdef CONFIG_DISABLE_VHPT #ifdef CONFIG_DISABLE_VHPT
# define VHPT_ENABLE_BIT 0 # define VHPT_ENABLE_BIT 0
...@@ -277,7 +277,7 @@ ia64_mmu_init (void *my_cpu_data) ...@@ -277,7 +277,7 @@ ia64_mmu_init (void *my_cpu_data)
* Set up the kernel identity mapping for regions 6 and 5. The mapping for region * Set up the kernel identity mapping for regions 6 and 5. The mapping for region
* 7 is setup up in _start(). * 7 is setup up in _start().
*/ */
ia64_clear_ic(flags); psr = ia64_clear_ic();
rid = ia64_rid(IA64_REGION_ID_KERNEL, __IA64_UNCACHED_OFFSET); rid = ia64_rid(IA64_REGION_ID_KERNEL, __IA64_UNCACHED_OFFSET);
ia64_set_rr(__IA64_UNCACHED_OFFSET, (rid << 8) | (IA64_GRANULE_SHIFT << 2)); ia64_set_rr(__IA64_UNCACHED_OFFSET, (rid << 8) | (IA64_GRANULE_SHIFT << 2));
...@@ -291,7 +291,7 @@ ia64_mmu_init (void *my_cpu_data) ...@@ -291,7 +291,7 @@ ia64_mmu_init (void *my_cpu_data)
ia64_itr(0x2, IA64_TR_PERCPU_DATA, PERCPU_ADDR, ia64_itr(0x2, IA64_TR_PERCPU_DATA, PERCPU_ADDR,
pte_val(mk_pte_phys(__pa(my_cpu_data), PAGE_KERNEL)), PAGE_SHIFT); pte_val(mk_pte_phys(__pa(my_cpu_data), PAGE_KERNEL)), PAGE_SHIFT);
__restore_flags(flags); ia64_set_psr(psr);
ia64_srlz_i(); ia64_srlz_i();
/* /*
......
...@@ -75,7 +75,7 @@ sgi_mcatest(void) ...@@ -75,7 +75,7 @@ sgi_mcatest(void)
if (mcatest == 5) { if (mcatest == 5) {
int zzzspec(long); int zzzspec(long);
int i; int i;
long flags, dcr, res, val, addr=0xff00000000UL; long psr, dcr, res, val, addr=0xff00000000UL;
dcr = ia64_get_dcr(); dcr = ia64_get_dcr();
for (i=0; i<5; i++) { for (i=0; i<5; i++) {
...@@ -87,11 +87,11 @@ sgi_mcatest(void) ...@@ -87,11 +87,11 @@ sgi_mcatest(void)
ia64_set_dcr(dcr); ia64_set_dcr(dcr);
res = ia64_sn_probe_io_slot(0xff00000000UL, 8, &val); res = ia64_sn_probe_io_slot(0xff00000000UL, 8, &val);
printk("zzzspec: probe %ld, 0x%lx\n", res, val); printk("zzzspec: probe %ld, 0x%lx\n", res, val);
ia64_clear_ic(flags); psr = ia64_clear_ic();
ia64_itc(0x2, 0xe00000ff00000000UL, ia64_itc(0x2, 0xe00000ff00000000UL,
pte_val(mk_pte_phys(0xff00000000UL, pte_val(mk_pte_phys(0xff00000000UL,
__pgprot(__DIRTY_BITS|_PAGE_PL_0|_PAGE_AR_RW))), _PAGE_SIZE_256M); __pgprot(__DIRTY_BITS|_PAGE_PL_0|_PAGE_AR_RW))), _PAGE_SIZE_256M);
local_irq_restore(flags); ia64_set_psr(psr);
ia64_srlz_i (); ia64_srlz_i ();
} }
......
...@@ -7,9 +7,9 @@ ...@@ -7,9 +7,9 @@
* *
* Copyright (C) 1999 VA Linux Systems * Copyright (C) 1999 VA Linux Systems
* Copyright (C) 1999 Walt Drummond <drummond@valinux.com> * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
* Copyright (C) 1999 Hewlett-Packard Co. * Copyright (C) 1999, 2002 Hewlett-Packard Co.
* Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com> * David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com> * Stephane Eranian <eranian@hpl.hp.com>
*/ */
#include <linux/init.h> #include <linux/init.h>
#include <linux/string.h> #include <linux/string.h>
...@@ -259,7 +259,8 @@ extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); ...@@ -259,7 +259,8 @@ extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
extern void efi_gettimeofday (struct timeval *tv); extern void efi_gettimeofday (struct timeval *tv);
extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */
extern u64 efi_get_iobase (void); extern u64 efi_get_iobase (void);
extern u32 efi_mem_type (u64 phys_addr); extern u32 efi_mem_type (unsigned long phys_addr);
extern u64 efi_mem_attributes (unsigned long phys_addr);
/* /*
* Variable Attributes * Variable Attributes
......
...@@ -632,14 +632,22 @@ ia64_invala (void) ...@@ -632,14 +632,22 @@ ia64_invala (void)
asm volatile ("invala" ::: "memory"); asm volatile ("invala" ::: "memory");
} }
static inline __u64
ia64_clear_ic (void)
{
__u64 psr;
asm volatile ("mov %0=psr;; rsm psr.i | psr.ic;; srlz.i;;" : "=r"(psr) :: "memory");
return psr;
}
/* /*
* Save the processor status flags in FLAGS and then clear the interrupt collection and * Restore the psr.
* interrupt enable bits. Don't trigger any mandatory RSE references while this bit is
* off!
*/ */
#define ia64_clear_ic(flags) \ static inline void
asm volatile ("mov %0=psr;; rsm psr.i | psr.ic;; srlz.i;;" \ ia64_set_psr (__u64 psr)
: "=r"(flags) :: "memory"); {
asm volatile (";; mov psr.l=%0;; srlz.d" :: "r" (psr) : "memory");
}
/* /*
* Insert a translation into an instruction and/or data translation * Insert a translation into an instruction and/or data translation
......
...@@ -139,9 +139,13 @@ do { \ ...@@ -139,9 +139,13 @@ do { \
do { \ do { \
unsigned long ip, old_psr, psr = (x); \ unsigned long ip, old_psr, psr = (x); \
\ \
__asm__ __volatile__ (";;mov %0=psr; mov psr.l=%1;; srlz.d" \ __asm__ __volatile__ ("mov %0=psr;" \
: "=&r" (old_psr) : "r" (psr) : "memory"); \ "cmp.ne p6,p7=%1,r0;;" \
if ((old_psr & (1UL << 14)) && !(psr & (1UL << 14))) { \ "(p6) ssm psr.i;" \
"(p7) rsm psr.i;;" \
"srlz.d" \
: "=&r" (old_psr) : "r"((psr) & IA64_PSR_I) : "memory"); \
if ((old_psr & IA64_PSR_I) && !(psr & IA64_PSR_I)) { \
__asm__ ("mov %0=ip" : "=r"(ip)); \ __asm__ ("mov %0=ip" : "=r"(ip)); \
last_cli_ip = ip; \ last_cli_ip = ip; \
} \ } \
...@@ -153,8 +157,11 @@ do { \ ...@@ -153,8 +157,11 @@ do { \
: "=r" (x) :: "memory") : "=r" (x) :: "memory")
# define local_irq_disable() __asm__ __volatile__ (";; rsm psr.i;;" ::: "memory") # define local_irq_disable() __asm__ __volatile__ (";; rsm psr.i;;" ::: "memory")
/* (potentially) setting psr.i requires data serialization: */ /* (potentially) setting psr.i requires data serialization: */
# define local_irq_restore(x) __asm__ __volatile__ (";; mov psr.l=%0;; srlz.d" \ # define local_irq_restore(x) __asm__ __volatile__ ("cmp.ne p6,p7=%0,r0;;" \
:: "r" (x) : "memory") "(p6) ssm psr.i;" \
"(p7) rsm psr.i;;" \
"srlz.d" \
:: "r"((x) & IA64_PSR_I) : "memory")
#endif /* !CONFIG_IA64_DEBUG_IRQ */ #endif /* !CONFIG_IA64_DEBUG_IRQ */
#define local_irq_enable() __asm__ __volatile__ (";; ssm psr.i;; srlz.d" ::: "memory") #define local_irq_enable() __asm__ __volatile__ (";; ssm psr.i;; srlz.d" ::: "memory")
......
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