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-rw-r--r--arch/powerpc/kernel/cputable.c12
-rw-r--r--arch/powerpc/kernel/fpu.S2
-rw-r--r--arch/powerpc/kernel/head_64.S5
-rw-r--r--arch/powerpc/kernel/iommu.c9
-rw-r--r--arch/powerpc/kernel/legacy_serial.c4
-rw-r--r--arch/powerpc/kernel/ppc_ksyms.c1
-rw-r--r--arch/powerpc/kernel/prom.c42
-rw-r--r--arch/powerpc/kernel/prom_init.c4
-rw-r--r--arch/powerpc/kernel/prom_parse.c4
-rw-r--r--arch/powerpc/kernel/rtas.c12
-rw-r--r--arch/powerpc/kernel/rtas_flash.c3
-rw-r--r--arch/powerpc/kernel/setup_64.c3
-rw-r--r--arch/powerpc/kernel/signal_32.c4
-rw-r--r--arch/powerpc/kernel/smp.c3
-rw-r--r--arch/powerpc/kernel/time.c8
-rw-r--r--arch/powerpc/kernel/udbg_16550.c2
16 files changed, 82 insertions, 36 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 10696456a4c..3191be7135f 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -891,7 +891,7 @@ struct cpu_spec cpu_specs[] = {
.platform = "ppc405",
},
{ /* Xilinx Virtex-II Pro */
- .pvr_mask = 0xffff0000,
+ .pvr_mask = 0xfffff000,
.pvr_value = 0x20010000,
.cpu_name = "Virtex-II Pro",
.cpu_features = CPU_FTRS_40X,
@@ -901,6 +901,16 @@ struct cpu_spec cpu_specs[] = {
.dcache_bsize = 32,
.platform = "ppc405",
},
+ { /* Xilinx Virtex-4 FX */
+ .pvr_mask = 0xfffff000,
+ .pvr_value = 0x20011000,
+ .cpu_name = "Virtex-4 FX",
+ .cpu_features = CPU_FTRS_40X,
+ .cpu_user_features = PPC_FEATURE_32 |
+ PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+ .icache_bsize = 32,
+ .dcache_bsize = 32,
+ },
{ /* 405EP */
.pvr_mask = 0xffff0000,
.pvr_value = 0x51210000,
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index e4362dfa37f..340730fb8c9 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -66,7 +66,7 @@ _GLOBAL(load_up_fpu)
#else
ld r4,PACACURRENT(r13)
addi r5,r4,THREAD /* Get THREAD */
- ld r4,THREAD_FPEXC_MODE(r5)
+ lwz r4,THREAD_FPEXC_MODE(r5)
ori r12,r12,MSR_FP
or r12,r12,r4
std r12,_MSR(r1)
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 30826846634..41565962939 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -749,11 +749,12 @@ iSeries_secondary_smp_loop:
.globl decrementer_iSeries_masked
decrementer_iSeries_masked:
+ /* We may not have a valid TOC pointer in here. */
li r11,1
ld r12,PACALPPACAPTR(r13)
stb r11,LPPACADECRINT(r12)
- LOAD_REG_ADDRBASE(r12,tb_ticks_per_jiffy)
- lwz r12,ADDROFF(tb_ticks_per_jiffy)(r12)
+ LOAD_REG_IMMEDIATE(r12, tb_ticks_per_jiffy)
+ lwz r12,0(r12)
mtspr SPRN_DEC,r12
/* fall through */
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 4d9b4388918..946f3219fd2 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -334,9 +334,6 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
spin_unlock_irqrestore(&(tbl->it_lock), flags);
- /* Make sure updates are seen by hardware */
- mb();
-
DBG("mapped %d elements:\n", outcount);
/* For the sake of iommu_unmap_sg, we clear out the length in the
@@ -347,6 +344,10 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
outs->dma_address = DMA_ERROR_CODE;
outs->dma_length = 0;
}
+
+ /* Make sure updates are seen by hardware */
+ mb();
+
return outcount;
failure:
@@ -358,6 +359,8 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
npages = (PAGE_ALIGN(s->dma_address + s->dma_length) - vaddr)
>> PAGE_SHIFT;
__iommu_free(tbl, vaddr, npages);
+ s->dma_address = DMA_ERROR_CODE;
+ s->dma_length = 0;
}
}
spin_unlock_irqrestore(&(tbl->it_lock), flags);
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index f970ace208d..c7a799a0951 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -134,7 +134,6 @@ static int __init add_legacy_soc_port(struct device_node *np,
return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags);
}
-#ifdef CONFIG_ISA
static int __init add_legacy_isa_port(struct device_node *np,
struct device_node *isa_brg)
{
@@ -168,7 +167,6 @@ static int __init add_legacy_isa_port(struct device_node *np,
return add_legacy_port(np, index, UPIO_PORT, reg[1], taddr, NO_IRQ, UPF_BOOT_AUTOCONF);
}
-#endif
#ifdef CONFIG_PCI
static int __init add_legacy_pci_port(struct device_node *np,
@@ -276,7 +274,6 @@ void __init find_legacy_serial_ports(void)
of_node_put(soc);
}
-#ifdef CONFIG_ISA
/* First fill our array with ISA ports */
for (np = NULL; (np = of_find_node_by_type(np, "serial"));) {
struct device_node *isa = of_get_parent(np);
@@ -287,7 +284,6 @@ void __init find_legacy_serial_ports(void)
}
of_node_put(isa);
}
-#endif
#ifdef CONFIG_PCI
/* Next, try to locate PCI ports */
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index d9a459c144d..b212d3e64b8 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -57,7 +57,6 @@ extern void machine_check_exception(struct pt_regs *regs);
extern void alignment_exception(struct pt_regs *regs);
extern void program_check_exception(struct pt_regs *regs);
extern void single_step_exception(struct pt_regs *regs);
-extern int pmac_newworld;
extern int sys_sigreturn(struct pt_regs *regs);
EXPORT_SYMBOL(clear_pages);
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index d50c8df0183..82d117c60d7 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -491,7 +491,12 @@ void __init finish_device_tree(void)
size = 16;
finish_node(allnodes, &size, 1);
size -= 16;
- end = start = (unsigned long) __va(lmb_alloc(size, 128));
+
+ if (0 == size)
+ end = start = 0;
+ else
+ end = start = (unsigned long)__va(lmb_alloc(size, 128));
+
finish_node(allnodes, &end, 0);
BUG_ON(end != start + size);
@@ -826,10 +831,6 @@ void __init unflatten_device_tree(void)
/* Allocate memory for the expanded device tree */
mem = lmb_alloc(size + 4, __alignof__(struct device_node));
- if (!mem) {
- DBG("Couldn't allocate memory with lmb_alloc()!\n");
- panic("Couldn't allocate memory with lmb_alloc()!\n");
- }
mem = (unsigned long) __va(mem);
((u32 *)mem)[size / 4] = 0xdeadbeef;
@@ -1398,8 +1399,8 @@ struct device_node *of_find_node_by_name(struct device_node *from,
read_lock(&devtree_lock);
np = from ? from->allnext : allnodes;
- for (; np != 0; np = np->allnext)
- if (np->name != 0 && strcasecmp(np->name, name) == 0
+ for (; np != NULL; np = np->allnext)
+ if (np->name != NULL && strcasecmp(np->name, name) == 0
&& of_node_get(np))
break;
if (from)
@@ -1917,3 +1918,30 @@ int prom_update_property(struct device_node *np,
return 0;
}
+
+#ifdef CONFIG_KEXEC
+/* We may have allocated the flat device tree inside the crash kernel region
+ * in prom_init. If so we need to move it out into regular memory. */
+void kdump_move_device_tree(void)
+{
+ unsigned long start, end;
+ struct boot_param_header *new;
+
+ start = __pa((unsigned long)initial_boot_params);
+ end = start + initial_boot_params->totalsize;
+
+ if (end < crashk_res.start || start > crashk_res.end)
+ return;
+
+ new = (struct boot_param_header*)
+ __va(lmb_alloc(initial_boot_params->totalsize, PAGE_SIZE));
+
+ memcpy(new, initial_boot_params, initial_boot_params->totalsize);
+
+ initial_boot_params = new;
+
+ DBG("Flat device tree blob moved to %p\n", initial_boot_params);
+
+ /* XXX should we unreserve the old DT? */
+}
+#endif /* CONFIG_KEXEC */
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 7881ec96ef1..ec7153f4d47 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2098,6 +2098,10 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
*/
prom_init_stdout();
+ /* Bail if this is a kdump kernel. */
+ if (PHYSICAL_START > 0)
+ prom_panic("Error: You can't boot a kdump kernel from OF!\n");
+
/*
* Check for an initrd
*/
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index a8099c80615..3934c227549 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -465,8 +465,10 @@ u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
if (parent == NULL)
return NULL;
bus = of_match_bus(parent);
- if (strcmp(bus->name, "pci"))
+ if (strcmp(bus->name, "pci")) {
+ of_node_put(parent);
return NULL;
+ }
bus->count_cells(dev, &na, &ns);
of_node_put(parent);
if (!OF_CHECK_COUNTS(na, ns))
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 7fe4a5c944c..b5b2add7ad1 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -22,6 +22,7 @@
#include <asm/prom.h>
#include <asm/rtas.h>
+#include <asm/hvcall.h>
#include <asm/semaphore.h>
#include <asm/machdep.h>
#include <asm/page.h>
@@ -565,6 +566,7 @@ static int ibm_suspend_me_token = RTAS_UNKNOWN_SERVICE;
#ifdef CONFIG_PPC_PSERIES
static void rtas_percpu_suspend_me(void *info)
{
+ int i;
long rc;
long flags;
struct rtas_suspend_me_data *data =
@@ -587,18 +589,16 @@ static void rtas_percpu_suspend_me(void *info)
if (rc == H_Continue) {
data->waiting = 0;
- rtas_call(ibm_suspend_me_token, 0, 1,
- data->args->args);
+ data->args->args[data->args->nargs] =
+ rtas_call(ibm_suspend_me_token, 0, 1, NULL);
+ for_each_cpu(i)
+ plpar_hcall_norets(H_PROD,i);
} else {
data->waiting = -EBUSY;
printk(KERN_ERR "Error on H_Join hypervisor call\n");
}
out:
- /* before we restore interrupts, make sure we don't
- * generate a spurious soft lockup errors
- */
- touch_softlockup_watchdog();
local_irq_restore(flags);
return;
}
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 50500093c97..aaf384c3f04 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -672,8 +672,7 @@ static void rtas_flash_firmware(int reboot_type)
static void remove_flash_pde(struct proc_dir_entry *dp)
{
if (dp) {
- if (dp->data != NULL)
- kfree(dp->data);
+ kfree(dp->data);
dp->owner = NULL;
remove_proc_entry(dp->name, dp->parent);
}
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index e29b275e09e..a717dff695e 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -398,6 +398,9 @@ void __init setup_system(void)
{
DBG(" -> setup_system()\n");
+#ifdef CONFIG_KEXEC
+ kdump_move_device_tree();
+#endif
/*
* Unflatten the device-tree passed by prom_init or kexec
*/
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 3747ab0dac3..c6d0595da6b 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -254,11 +254,9 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs);
*/
long sys_sigsuspend(old_sigset_t mask)
{
- sigset_t saveset;
-
mask &= _BLOCKABLE;
spin_lock_irq(&current->sighand->siglock);
- saveset = current->blocked;
+ current->saved_sigmask = current->blocked;
siginitset(&current->blocked, mask);
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index c8458c531b2..13595a64f01 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -540,6 +540,9 @@ int __devinit start_secondary(void *unused)
if (smp_ops->take_timebase)
smp_ops->take_timebase();
+ if (system_state > SYSTEM_BOOTING)
+ per_cpu(last_jiffy, cpu) = get_tb();
+
spin_lock(&call_lock);
cpu_set(cpu, cpu_online_map);
spin_unlock(&call_lock);
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index c4a294d657b..1886045a2fd 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -612,10 +612,10 @@ void __init generic_calibrate_decr(void)
ppc_tb_freq = DEFAULT_TB_FREQ; /* hardcoded default */
node_found = 0;
- if (cpu != 0) {
+ if (cpu) {
fp = (unsigned int *)get_property(cpu, "timebase-frequency",
NULL);
- if (fp != 0) {
+ if (fp) {
node_found = 1;
ppc_tb_freq = *fp;
}
@@ -626,10 +626,10 @@ void __init generic_calibrate_decr(void)
ppc_proc_freq = DEFAULT_PROC_FREQ;
node_found = 0;
- if (cpu != 0) {
+ if (cpu) {
fp = (unsigned int *)get_property(cpu, "clock-frequency",
NULL);
- if (fp != 0) {
+ if (fp) {
node_found = 1;
ppc_proc_freq = *fp;
}
diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c
index 2da65a9c93f..5d29dcca523 100644
--- a/arch/powerpc/kernel/udbg_16550.c
+++ b/arch/powerpc/kernel/udbg_16550.c
@@ -144,7 +144,7 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock)
}
#ifdef CONFIG_PPC_MAPLE
-void udbg_maple_real_putc(unsigned char c)
+void udbg_maple_real_putc(char c)
{
if (udbg_comport) {
while ((real_readb(&udbg_comport->lsr) & LSR_THRE) == 0)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 23:50:36 +0000