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-rw-r--r--arch/sparc64/defconfig9
-rw-r--r--arch/sparc64/kernel/chmc.c16
-rw-r--r--arch/sparc64/kernel/entry.S12
-rw-r--r--arch/sparc64/kernel/isa.c2
-rw-r--r--arch/sparc64/kernel/ldc.c15
-rw-r--r--arch/sparc64/kernel/pci.c16
-rw-r--r--arch/sparc64/kernel/pci_schizo.c2
-rw-r--r--arch/sparc64/kernel/pci_sun4v.c4
-rw-r--r--arch/sparc64/kernel/smp.c24
-rw-r--r--arch/sparc64/mm/init.c29
10 files changed, 96 insertions, 33 deletions
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index 22734ac08c8..f62d9f6c5e2 100644
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.24-rc1
-# Wed Oct 31 15:36:47 2007
+# Linux kernel version: 2.6.24-rc4
+# Tue Dec 4 00:37:59 2007
#
CONFIG_SPARC=y
CONFIG_SPARC64=y
@@ -47,6 +47,7 @@ CONFIG_POSIX_MQUEUE=y
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
# CONFIG_AUDIT is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=18
@@ -154,6 +155,7 @@ CONFIG_PCI_DOMAINS=y
CONFIG_PCI_SYSCALL=y
CONFIG_ARCH_SUPPORTS_MSI=y
CONFIG_PCI_MSI=y
+# CONFIG_PCI_LEGACY is not set
# CONFIG_PCI_DEBUG is not set
CONFIG_SUN_OPENPROMFS=m
CONFIG_SPARC32_COMPAT=y
@@ -359,7 +361,6 @@ CONFIG_IDE_GENERIC=y
CONFIG_BLK_DEV_IDEPCI=y
# CONFIG_IDEPCI_SHARE_IRQ is not set
CONFIG_IDEPCI_PCIBUS_ORDER=y
-# CONFIG_BLK_DEV_OFFBOARD is not set
# CONFIG_BLK_DEV_GENERIC is not set
# CONFIG_BLK_DEV_OPTI621 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
@@ -584,7 +585,6 @@ CONFIG_NIU=m
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
-# CONFIG_USB_USBNET_MII is not set
# CONFIG_USB_USBNET is not set
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
@@ -780,6 +780,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_ADT7470 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_I5K_AMB is not set
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_F71882FG is not set
# CONFIG_SENSORS_F75375S is not set
diff --git a/arch/sparc64/kernel/chmc.c b/arch/sparc64/kernel/chmc.c
index 777d3457704..6d4f02e8a4c 100644
--- a/arch/sparc64/kernel/chmc.c
+++ b/arch/sparc64/kernel/chmc.c
@@ -1,7 +1,6 @@
-/* $Id: chmc.c,v 1.4 2002/01/08 16:00:14 davem Exp $
- * memctrlr.c: Driver for UltraSPARC-III memory controller.
+/* memctrlr.c: Driver for UltraSPARC-III memory controller.
*
- * Copyright (C) 2001 David S. Miller (davem@redhat.com)
+ * Copyright (C) 2001, 2007 David S. Miller (davem@davemloft.net)
*/
#include <linux/module.h>
@@ -16,6 +15,7 @@
#include <linux/init.h>
#include <asm/spitfire.h>
#include <asm/chmctrl.h>
+#include <asm/cpudata.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/io.h>
@@ -242,8 +242,11 @@ int chmc_getunumber(int syndrome_code,
*/
static u64 read_mcreg(struct mctrl_info *mp, unsigned long offset)
{
- unsigned long ret;
- int this_cpu = get_cpu();
+ unsigned long ret, this_cpu;
+
+ preempt_disable();
+
+ this_cpu = real_hard_smp_processor_id();
if (mp->portid == this_cpu) {
__asm__ __volatile__("ldxa [%1] %2, %0"
@@ -255,7 +258,8 @@ static u64 read_mcreg(struct mctrl_info *mp, unsigned long offset)
: "r" (mp->regs + offset),
"i" (ASI_PHYS_BYPASS_EC_E));
}
- put_cpu();
+
+ preempt_enable();
return ret;
}
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index c9b0d7af64a..ea257e82836 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -2593,3 +2593,15 @@ sun4v_mmustat_info:
retl
nop
.size sun4v_mmustat_info, .-sun4v_mmustat_info
+
+ .globl sun4v_mmu_demap_all
+ .type sun4v_mmu_demap_all,#function
+sun4v_mmu_demap_all:
+ clr %o0
+ clr %o1
+ mov HV_MMU_ALL, %o2
+ mov HV_FAST_MMU_DEMAP_ALL, %o5
+ ta HV_FAST_TRAP
+ retl
+ nop
+ .size sun4v_mmu_demap_all, .-sun4v_mmu_demap_all
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index 0f19dce1c90..b5f7b354084 100644
--- a/arch/sparc64/kernel/isa.c
+++ b/arch/sparc64/kernel/isa.c
@@ -155,6 +155,7 @@ void __init isa_init(void)
isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL);
if (!isa_br) {
printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge");
+ pci_dev_put(pdev);
return;
}
@@ -168,6 +169,7 @@ void __init isa_init(void)
printk(KERN_DEBUG "isa: device registration error for %s!\n",
dp->path_component_name);
kfree(isa_br);
+ pci_dev_put(pdev);
return;
}
diff --git a/arch/sparc64/kernel/ldc.c b/arch/sparc64/kernel/ldc.c
index 217478a9412..63969f61028 100644
--- a/arch/sparc64/kernel/ldc.c
+++ b/arch/sparc64/kernel/ldc.c
@@ -2338,6 +2338,7 @@ static int __init ldc_init(void)
unsigned long major, minor;
struct mdesc_handle *hp;
const u64 *v;
+ int err;
u64 mp;
hp = mdesc_grab();
@@ -2345,29 +2346,33 @@ static int __init ldc_init(void)
return -ENODEV;
mp = mdesc_node_by_name(hp, MDESC_NODE_NULL, "platform");
+ err = -ENODEV;
if (mp == MDESC_NODE_NULL)
- return -ENODEV;
+ goto out;
v = mdesc_get_property(hp, mp, "domaining-enabled", NULL);
if (!v)
- return -ENODEV;
+ goto out;
major = 1;
minor = 0;
if (sun4v_hvapi_register(HV_GRP_LDOM, major, &minor)) {
printk(KERN_INFO PFX "Could not register LDOM hvapi.\n");
- return -ENODEV;
+ goto out;
}
printk(KERN_INFO "%s", version);
if (!*v) {
printk(KERN_INFO PFX "Domaining disabled.\n");
- return -ENODEV;
+ goto out;
}
ldom_domaining_enabled = 1;
+ err = 0;
- return 0;
+out:
+ mdesc_release(hp);
+ return err;
}
core_initcall(ldc_init);
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 63b3ebc0c3c..a61c38fe75e 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -1275,4 +1275,20 @@ int pci_dma_supported(struct pci_dev *pdev, u64 device_mask)
return (device_mask & dma_addr_mask) == dma_addr_mask;
}
+void pci_resource_to_user(const struct pci_dev *pdev, int bar,
+ const struct resource *rp, resource_size_t *start,
+ resource_size_t *end)
+{
+ struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
+ unsigned long offset;
+
+ if (rp->flags & IORESOURCE_IO)
+ offset = pbm->io_space.start;
+ else
+ offset = pbm->mem_space.start;
+
+ *start = rp->start - offset;
+ *end = rp->end - offset;
+}
+
#endif /* !(CONFIG_PCI) */
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index 9546ba9f5de..e752e75cce8 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -850,7 +850,7 @@ static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino)
/* How the Tomatillo IRQs are routed around is pure guesswork here.
*
* All the Tomatillo devices I see in prtconf dumps seem to have only
- * a single PCI bus unit attached to it. It would seem they are seperate
+ * a single PCI bus unit attached to it. It would seem they are separate
* devices because their PortID (ie. JBUS ID) values are all different
* and thus the registers are mapped to totally different locations.
*
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 8c4875bdb4a..e587a372f3f 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -1022,6 +1022,10 @@ void __init sun4v_pci_init(struct device_node *dp, char *model_name)
}
prop = of_find_property(dp, "reg", NULL);
+ if (!prop) {
+ prom_printf("SUN4V_PCI: Could not find config registers\n");
+ prom_halt();
+ }
regs = prop->value;
devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff;
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 7cd8d94df0d..c39944927f1 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -236,8 +236,9 @@ void smp_synchronize_tick_client(void)
t[i].rt, t[i].master, t[i].diff, t[i].lat);
#endif
- printk(KERN_INFO "CPU %d: synchronized TICK with master CPU (last diff %ld cycles,"
- "maxerr %lu cycles)\n", smp_processor_id(), delta, rt);
+ printk(KERN_INFO "CPU %d: synchronized TICK with master CPU "
+ "(last diff %ld cycles, maxerr %lu cycles)\n",
+ smp_processor_id(), delta, rt);
}
static void smp_start_sync_tick_client(int cpu);
@@ -475,7 +476,7 @@ static inline void spitfire_xcall_deliver(u64 data0, u64 data1, u64 data2, cpuma
*/
static void cheetah_xcall_deliver(u64 data0, u64 data1, u64 data2, cpumask_t mask)
{
- u64 pstate, ver;
+ u64 pstate, ver, busy_mask;
int nack_busy_id, is_jbus, need_more;
if (cpus_empty(mask))
@@ -507,14 +508,20 @@ retry:
"i" (ASI_INTR_W));
nack_busy_id = 0;
+ busy_mask = 0;
{
int i;
for_each_cpu_mask(i, mask) {
u64 target = (i << 14) | 0x70;
- if (!is_jbus)
+ if (is_jbus) {
+ busy_mask |= (0x1UL << (i * 2));
+ } else {
target |= (nack_busy_id << 24);
+ busy_mask |= (0x1UL <<
+ (nack_busy_id * 2));
+ }
__asm__ __volatile__(
"stxa %%g0, [%0] %1\n\t"
"membar #Sync\n\t"
@@ -530,15 +537,16 @@ retry:
/* Now, poll for completion. */
{
- u64 dispatch_stat;
+ u64 dispatch_stat, nack_mask;
long stuck;
stuck = 100000 * nack_busy_id;
+ nack_mask = busy_mask << 1;
do {
__asm__ __volatile__("ldxa [%%g0] %1, %0"
: "=r" (dispatch_stat)
: "i" (ASI_INTR_DISPATCH_STAT));
- if (dispatch_stat == 0UL) {
+ if (!(dispatch_stat & (busy_mask | nack_mask))) {
__asm__ __volatile__("wrpr %0, 0x0, %%pstate"
: : "r" (pstate));
if (unlikely(need_more)) {
@@ -555,12 +563,12 @@ retry:
}
if (!--stuck)
break;
- } while (dispatch_stat & 0x5555555555555555UL);
+ } while (dispatch_stat & busy_mask);
__asm__ __volatile__("wrpr %0, 0x0, %%pstate"
: : "r" (pstate));
- if ((dispatch_stat & ~(0x5555555555555555UL)) == 0) {
+ if (dispatch_stat & busy_mask) {
/* Busy bits will not clear, continue instead
* of freezing up on this cpu.
*/
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index e18ccf85224..fbeb55d71e7 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1133,14 +1133,9 @@ static void __init mark_kpte_bitmap(unsigned long start, unsigned long end)
}
}
-static void __init kernel_physical_mapping_init(void)
+static void __init init_kpte_bitmap(void)
{
unsigned long i;
-#ifdef CONFIG_DEBUG_PAGEALLOC
- unsigned long mem_alloced = 0UL;
-#endif
-
- read_obp_memory("reg", &pall[0], &pall_ents);
for (i = 0; i < pall_ents; i++) {
unsigned long phys_start, phys_end;
@@ -1149,14 +1144,24 @@ static void __init kernel_physical_mapping_init(void)
phys_end = phys_start + pall[i].reg_size;
mark_kpte_bitmap(phys_start, phys_end);
+ }
+}
+static void __init kernel_physical_mapping_init(void)
+{
#ifdef CONFIG_DEBUG_PAGEALLOC
+ unsigned long i, mem_alloced = 0UL;
+
+ for (i = 0; i < pall_ents; i++) {
+ unsigned long phys_start, phys_end;
+
+ phys_start = pall[i].phys_addr;
+ phys_end = phys_start + pall[i].reg_size;
+
mem_alloced += kernel_map_range(phys_start, phys_end,
PAGE_KERNEL);
-#endif
}
-#ifdef CONFIG_DEBUG_PAGEALLOC
printk("Allocated %ld bytes for kernel page tables.\n",
mem_alloced);
@@ -1398,6 +1403,10 @@ void __init paging_init(void)
inherit_prom_mappings();
+ read_obp_memory("reg", &pall[0], &pall_ents);
+
+ init_kpte_bitmap();
+
/* Ok, we can use our TLB miss and window trap handlers safely. */
setup_tba();
@@ -1904,7 +1913,9 @@ void __flush_tlb_all(void)
"wrpr %0, %1, %%pstate"
: "=r" (pstate)
: "i" (PSTATE_IE));
- if (tlb_type == spitfire) {
+ if (tlb_type == hypervisor) {
+ sun4v_mmu_demap_all();
+ } else if (tlb_type == spitfire) {
for (i = 0; i < 64; i++) {
/* Spitfire Errata #32 workaround */
/* NOTE: Always runs on spitfire, so no
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-23 00:27:29 +0000