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-rw-r--r--arch/microblaze/kernel/cpu/cpuinfo.c1
-rw-r--r--arch/microblaze/kernel/dma.c83
-rw-r--r--arch/microblaze/kernel/early_printk.c4
-rw-r--r--arch/microblaze/kernel/entry.S2
-rw-r--r--arch/microblaze/kernel/exceptions.c2
-rw-r--r--arch/microblaze/kernel/intc.c52
-rw-r--r--arch/microblaze/kernel/irq.c12
-rw-r--r--arch/microblaze/kernel/module.c2
-rw-r--r--arch/microblaze/kernel/process.c7
-rw-r--r--arch/microblaze/kernel/prom.c3
-rw-r--r--arch/microblaze/kernel/ptrace.c2
-rw-r--r--arch/microblaze/kernel/reset.c43
-rw-r--r--arch/microblaze/kernel/setup.c18
-rw-r--r--arch/microblaze/kernel/syscall_table.S5
-rw-r--r--arch/microblaze/kernel/timer.c24
15 files changed, 129 insertions, 131 deletions
diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index 44394d80a68..54194b28574 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -34,6 +34,7 @@ const struct cpu_ver_key cpu_ver_lookup[] = {
{"8.00.a", 0x12},
{"8.00.b", 0x13},
{"8.10.a", 0x14},
+ {"8.20.a", 0x15},
{NULL, 0},
};
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 393e6b2db68..65a4af4cbbb 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -10,8 +10,8 @@
#include <linux/dma-mapping.h>
#include <linux/gfp.h>
#include <linux/dma-debug.h>
+#include <linux/export.h>
#include <asm/bug.h>
-#include <asm/cacheflush.h>
/*
* Generic direct DMA implementation
@@ -21,21 +21,6 @@
* can set archdata.dma_data to an unsigned long holding the offset. By
* default the offset is PCI_DRAM_OFFSET.
*/
-static inline void __dma_sync_page(unsigned long paddr, unsigned long offset,
- size_t size, enum dma_data_direction direction)
-{
- switch (direction) {
- case DMA_TO_DEVICE:
- case DMA_BIDIRECTIONAL:
- flush_dcache_range(paddr + offset, paddr + offset + size);
- break;
- case DMA_FROM_DEVICE:
- invalidate_dcache_range(paddr + offset, paddr + offset + size);
- break;
- default:
- BUG();
- }
-}
static unsigned long get_dma_direct_offset(struct device *dev)
{
@@ -91,7 +76,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
/* FIXME this part of code is untested */
for_each_sg(sgl, sg, nents, i) {
sg->dma_address = sg_phys(sg) + get_dma_direct_offset(dev);
- __dma_sync_page(page_to_phys(sg_page(sg)), sg->offset,
+ __dma_sync(page_to_phys(sg_page(sg)) + sg->offset,
sg->length, direction);
}
@@ -116,7 +101,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev,
enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- __dma_sync_page(page_to_phys(page), offset, size, direction);
+ __dma_sync(page_to_phys(page) + offset, size, direction);
return page_to_phys(page) + offset + get_dma_direct_offset(dev);
}
@@ -131,7 +116,63 @@ static inline void dma_direct_unmap_page(struct device *dev,
* phys_to_virt is here because in __dma_sync_page is __virt_to_phys and
* dma_address is physical address
*/
- __dma_sync_page(dma_address, 0 , size, direction);
+ __dma_sync(dma_address, size, direction);
+}
+
+static inline void
+dma_direct_sync_single_for_cpu(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
+{
+ /*
+ * It's pointless to flush the cache as the memory segment
+ * is given to the CPU
+ */
+
+ if (direction == DMA_FROM_DEVICE)
+ __dma_sync(dma_handle, size, direction);
+}
+
+static inline void
+dma_direct_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ enum dma_data_direction direction)
+{
+ /*
+ * It's pointless to invalidate the cache if the device isn't
+ * supposed to write to the relevant region
+ */
+
+ if (direction == DMA_TO_DEVICE)
+ __dma_sync(dma_handle, size, direction);
+}
+
+static inline void
+dma_direct_sync_sg_for_cpu(struct device *dev,
+ struct scatterlist *sgl, int nents,
+ enum dma_data_direction direction)
+{
+ struct scatterlist *sg;
+ int i;
+
+ /* FIXME this part of code is untested */
+ if (direction == DMA_FROM_DEVICE)
+ for_each_sg(sgl, sg, nents, i)
+ __dma_sync(sg->dma_address, sg->length, direction);
+}
+
+static inline void
+dma_direct_sync_sg_for_device(struct device *dev,
+ struct scatterlist *sgl, int nents,
+ enum dma_data_direction direction)
+{
+ struct scatterlist *sg;
+ int i;
+
+ /* FIXME this part of code is untested */
+ if (direction == DMA_TO_DEVICE)
+ for_each_sg(sgl, sg, nents, i)
+ __dma_sync(sg->dma_address, sg->length, direction);
}
struct dma_map_ops dma_direct_ops = {
@@ -142,6 +183,10 @@ struct dma_map_ops dma_direct_ops = {
.dma_supported = dma_direct_dma_supported,
.map_page = dma_direct_map_page,
.unmap_page = dma_direct_unmap_page,
+ .sync_single_for_cpu = dma_direct_sync_single_for_cpu,
+ .sync_single_for_device = dma_direct_sync_single_for_device,
+ .sync_sg_for_cpu = dma_direct_sync_sg_for_cpu,
+ .sync_sg_for_device = dma_direct_sync_sg_for_device,
};
EXPORT_SYMBOL(dma_direct_ops);
diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c
index d26d92d4775..8356e47631c 100644
--- a/arch/microblaze/kernel/early_printk.c
+++ b/arch/microblaze/kernel/early_printk.c
@@ -50,9 +50,9 @@ static void early_printk_uartlite_write(struct console *unused,
const char *s, unsigned n)
{
while (*s && n-- > 0) {
- early_printk_uartlite_putc(*s);
if (*s == '\n')
early_printk_uartlite_putc('\r');
+ early_printk_uartlite_putc(*s);
s++;
}
}
@@ -94,9 +94,9 @@ static void early_printk_uart16550_write(struct console *unused,
const char *s, unsigned n)
{
while (*s && n-- > 0) {
- early_printk_uart16550_putc(*s);
if (*s == '\n')
early_printk_uart16550_putc('\r');
+ early_printk_uart16550_putc(*s);
s++;
}
}
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index ca15bc5c744..66e34a3bfe1 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -468,7 +468,7 @@ C_ENTRY(sys_fork_wrapper):
addi r5, r0, SIGCHLD /* Arg 0: flags */
lwi r6, r1, PT_R1 /* Arg 1: child SP (use parent's) */
addik r7, r1, 0 /* Arg 2: parent context */
- add r8. r0, r0 /* Arg 3: (unused) */
+ add r8, r0, r0 /* Arg 3: (unused) */
add r9, r0, r0; /* Arg 4: (unused) */
brid do_fork /* Do real work (tail-call) */
add r10, r0, r0; /* Arg 5: (unused) */
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c
index 66fad230122..6348dc82f42 100644
--- a/arch/microblaze/kernel/exceptions.c
+++ b/arch/microblaze/kernel/exceptions.c
@@ -119,7 +119,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
case MICROBLAZE_DIV_ZERO_EXCEPTION:
if (user_mode(regs)) {
pr_debug("Divide by zero exception in user mode\n");
- _exception(SIGILL, regs, FPE_INTDIV, addr);
+ _exception(SIGFPE, regs, FPE_INTDIV, addr);
return;
}
printk(KERN_WARNING "Divide by zero exception " \
diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index eb41441c7fd..44b177e2ab1 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -42,8 +42,9 @@ unsigned int nr_irq;
static void intc_enable_or_unmask(struct irq_data *d)
{
- unsigned long mask = 1 << d->irq;
- pr_debug("enable_or_unmask: %d\n", d->irq);
+ unsigned long mask = 1 << d->hwirq;
+
+ pr_debug("enable_or_unmask: %ld\n", d->hwirq);
out_be32(INTC_BASE + SIE, mask);
/* ack level irqs because they can't be acked during
@@ -56,20 +57,21 @@ static void intc_enable_or_unmask(struct irq_data *d)
static void intc_disable_or_mask(struct irq_data *d)
{
- pr_debug("disable: %d\n", d->irq);
- out_be32(INTC_BASE + CIE, 1 << d->irq);
+ pr_debug("disable: %ld\n", d->hwirq);
+ out_be32(INTC_BASE + CIE, 1 << d->hwirq);
}
static void intc_ack(struct irq_data *d)
{
- pr_debug("ack: %d\n", d->irq);
- out_be32(INTC_BASE + IAR, 1 << d->irq);
+ pr_debug("ack: %ld\n", d->hwirq);
+ out_be32(INTC_BASE + IAR, 1 << d->hwirq);
}
static void intc_mask_ack(struct irq_data *d)
{
- unsigned long mask = 1 << d->irq;
- pr_debug("disable_and_ack: %d\n", d->irq);
+ unsigned long mask = 1 << d->hwirq;
+
+ pr_debug("disable_and_ack: %ld\n", d->hwirq);
out_be32(INTC_BASE + CIE, mask);
out_be32(INTC_BASE + IAR, mask);
}
@@ -91,7 +93,7 @@ unsigned int get_irq(struct pt_regs *regs)
* order to handle multiple interrupt controllers. It currently
* is hardcoded to check for interrupts only on the first INTC.
*/
- irq = in_be32(INTC_BASE + IVR);
+ irq = in_be32(INTC_BASE + IVR) + NO_IRQ_OFFSET;
pr_debug("get_irq: %d\n", irq);
return irq;
@@ -99,7 +101,7 @@ unsigned int get_irq(struct pt_regs *regs)
void __init init_IRQ(void)
{
- u32 i, j, intr_type;
+ u32 i, intr_mask;
struct device_node *intc = NULL;
#ifdef CONFIG_SELFMOD_INTC
unsigned int intc_baseaddr = 0;
@@ -113,35 +115,24 @@ void __init init_IRQ(void)
0
};
#endif
- const char * const intc_list[] = {
- "xlnx,xps-intc-1.00.a",
- NULL
- };
-
- for (j = 0; intc_list[j] != NULL; j++) {
- intc = of_find_compatible_node(NULL, NULL, intc_list[j]);
- if (intc)
- break;
- }
+ intc = of_find_compatible_node(NULL, NULL, "xlnx,xps-intc-1.00.a");
BUG_ON(!intc);
- intc_baseaddr = be32_to_cpup(of_get_property(intc,
- "reg", NULL));
+ intc_baseaddr = be32_to_cpup(of_get_property(intc, "reg", NULL));
intc_baseaddr = (unsigned long) ioremap(intc_baseaddr, PAGE_SIZE);
nr_irq = be32_to_cpup(of_get_property(intc,
"xlnx,num-intr-inputs", NULL));
- intr_type =
- be32_to_cpup(of_get_property(intc,
- "xlnx,kind-of-intr", NULL));
- if (intr_type > (u32)((1ULL << nr_irq) - 1))
+ intr_mask =
+ be32_to_cpup(of_get_property(intc, "xlnx,kind-of-intr", NULL));
+ if (intr_mask > (u32)((1ULL << nr_irq) - 1))
printk(KERN_INFO " ERROR: Mismatch in kind-of-intr param\n");
#ifdef CONFIG_SELFMOD_INTC
selfmod_function((int *) arr_func, intc_baseaddr);
#endif
- printk(KERN_INFO "%s #0 at 0x%08x, num_irq=%d, edge=0x%x\n",
- intc_list[j], intc_baseaddr, nr_irq, intr_type);
+ printk(KERN_INFO "XPS intc #0 at 0x%08x, num_irq=%d, edge=0x%x\n",
+ intc_baseaddr, nr_irq, intr_mask);
/*
* Disable all external interrupts until they are
@@ -155,8 +146,8 @@ void __init init_IRQ(void)
/* Turn on the Master Enable. */
out_be32(intc_baseaddr + MER, MER_HIE | MER_ME);
- for (i = 0; i < nr_irq; ++i) {
- if (intr_type & (0x00000001 << i)) {
+ for (i = IRQ_OFFSET; i < (nr_irq + IRQ_OFFSET); ++i) {
+ if (intr_mask & (0x00000001 << (i - IRQ_OFFSET))) {
irq_set_chip_and_handler_name(i, &intc_dev,
handle_edge_irq, "edge");
irq_clear_status_flags(i, IRQ_LEVEL);
@@ -165,5 +156,6 @@ void __init init_IRQ(void)
handle_level_irq, "level");
irq_set_status_flags(i, IRQ_LEVEL);
}
+ irq_get_irq_data(i)->hwirq = i - IRQ_OFFSET;
}
}
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c
index ce7ac8435d5..bbebcae72c0 100644
--- a/arch/microblaze/kernel/irq.c
+++ b/arch/microblaze/kernel/irq.c
@@ -18,6 +18,7 @@
#include <linux/kernel_stat.h>
#include <linux/irq.h>
#include <linux/of_irq.h>
+#include <linux/export.h>
#include <asm/prom.h>
@@ -32,11 +33,12 @@ void __irq_entry do_IRQ(struct pt_regs *regs)
irq_enter();
irq = get_irq(regs);
next_irq:
- BUG_ON(irq == -1U);
- generic_handle_irq(irq);
+ BUG_ON(!irq);
+ /* Substract 1 because of get_irq */
+ generic_handle_irq(irq + IRQ_OFFSET - NO_IRQ_OFFSET);
irq = get_irq(regs);
- if (irq != -1U) {
+ if (irq) {
pr_debug("next irq: %d\n", irq);
++concurrent_irq;
goto next_irq;
@@ -51,13 +53,13 @@ next_irq:
intc without any cascades or any connection that's why mapping is 1:1 */
unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq)
{
- return hwirq;
+ return hwirq + IRQ_OFFSET;
}
EXPORT_SYMBOL_GPL(irq_create_mapping);
unsigned int irq_create_of_mapping(struct device_node *controller,
const u32 *intspec, unsigned int intsize)
{
- return intspec[0];
+ return intspec[0] + IRQ_OFFSET;
}
EXPORT_SYMBOL_GPL(irq_create_of_mapping);
diff --git a/arch/microblaze/kernel/module.c b/arch/microblaze/kernel/module.c
index 142426f631b..f39257a5abc 100644
--- a/arch/microblaze/kernel/module.c
+++ b/arch/microblaze/kernel/module.c
@@ -100,7 +100,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
break;
case R_MICROBLAZE_64_NONE:
- pr_debug("R_MICROBLAZE_NONE\n");
+ pr_debug("R_MICROBLAZE_64_NONE\n");
break;
case R_MICROBLAZE_NONE:
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index dbb812421d8..7dcb5bfffb7 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -103,10 +103,12 @@ void cpu_idle(void)
if (!idle)
idle = default_idle;
- tick_nohz_stop_sched_tick(1);
+ tick_nohz_idle_enter();
+ rcu_idle_enter();
while (!need_resched())
idle();
- tick_nohz_restart_sched_tick();
+ rcu_idle_exit();
+ tick_nohz_idle_exit();
preempt_enable_no_resched();
schedule();
@@ -179,6 +181,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
ti->cpu_context.msr = (childregs->msr|MSR_VM);
ti->cpu_context.msr &= ~MSR_UMS; /* switch_to to kernel mode */
+ ti->cpu_context.msr &= ~MSR_IE;
#endif
ti->cpu_context.r15 = (unsigned long)ret_from_fork - 8;
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index 977484add21..80d314e8190 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -122,7 +122,6 @@ void __init early_init_devtree(void *params)
of_scan_flat_dt(early_init_dt_scan_chosen, cmd_line);
/* Scan memory nodes and rebuild MEMBLOCKs */
- memblock_init();
of_scan_flat_dt(early_init_dt_scan_root, NULL);
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
@@ -130,7 +129,7 @@ void __init early_init_devtree(void *params)
strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
parse_early_param();
- memblock_analyze();
+ memblock_allow_resize();
pr_debug("Phys. mem: %lx\n", (unsigned long) memblock_phys_mem_size());
diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c
index 6a8e0cc5c57..043cb58f9c4 100644
--- a/arch/microblaze/kernel/ptrace.c
+++ b/arch/microblaze/kernel/ptrace.c
@@ -148,7 +148,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
ret = -1L;
if (unlikely(current->audit_context))
- audit_syscall_entry(EM_XILINX_MICROBLAZE, regs->r12,
+ audit_syscall_entry(EM_MICROBLAZE, regs->r12,
regs->r5, regs->r6,
regs->r7, regs->r8);
diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c
index bd8ccab5cef..88a01636f78 100644
--- a/arch/microblaze/kernel/reset.c
+++ b/arch/microblaze/kernel/reset.c
@@ -19,50 +19,11 @@
static int handle; /* reset pin handle */
static unsigned int reset_val;
-static int of_reset_gpio_handle(void)
-{
- int ret; /* variable which stored handle reset gpio pin */
- struct device_node *root; /* root node */
- struct device_node *gpio; /* gpio node */
- struct gpio_chip *gc;
- u32 flags;
- const void *gpio_spec;
-
- /* find out root node */
- root = of_find_node_by_path("/");
-
- /* give me handle for gpio node to be possible allocate pin */
- ret = of_parse_phandles_with_args(root, "hard-reset-gpios",
- "#gpio-cells", 0, &gpio, &gpio_spec);
- if (ret) {
- pr_debug("%s: can't parse gpios property\n", __func__);
- goto err0;
- }
-
- gc = of_node_to_gpiochip(gpio);
- if (!gc) {
- pr_debug("%s: gpio controller %s isn't registered\n",
- root->full_name, gpio->full_name);
- ret = -ENODEV;
- goto err1;
- }
-
- ret = gc->of_xlate(gc, root, gpio_spec, &flags);
- if (ret < 0)
- goto err1;
-
- ret += gc->base;
-err1:
- of_node_put(gpio);
-err0:
- pr_debug("%s exited with status %d\n", __func__, ret);
- return ret;
-}
-
void of_platform_reset_gpio_probe(void)
{
int ret;
- handle = of_reset_gpio_handle();
+ handle = of_get_named_gpio(of_find_node_by_path("/"),
+ "hard-reset-gpios", 0);
if (!gpio_is_valid(handle)) {
printk(KERN_INFO "Skipping unavailable RESET gpio %d (%s)\n",
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index 0e654a12d37..604cd9dd133 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -145,32 +145,32 @@ void __init machine_early_init(const char *cmdline, unsigned int ram,
setup_early_printk(NULL);
#endif
- eprintk("Ramdisk addr 0x%08x, ", ram);
+ printk("Ramdisk addr 0x%08x, ", ram);
if (fdt)
- eprintk("FDT at 0x%08x\n", fdt);
+ printk("FDT at 0x%08x\n", fdt);
else
- eprintk("Compiled-in FDT at 0x%08x\n",
+ printk("Compiled-in FDT at 0x%08x\n",
(unsigned int)_fdt_start);
#ifdef CONFIG_MTD_UCLINUX
- eprintk("Found romfs @ 0x%08x (0x%08x)\n",
+ printk("Found romfs @ 0x%08x (0x%08x)\n",
romfs_base, romfs_size);
- eprintk("#### klimit %p ####\n", old_klimit);
+ printk("#### klimit %p ####\n", old_klimit);
BUG_ON(romfs_size < 0); /* What else can we do? */
- eprintk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n",
+ printk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n",
romfs_size, romfs_base, (unsigned)&_ebss);
- eprintk("New klimit: 0x%08x\n", (unsigned)klimit);
+ printk("New klimit: 0x%08x\n", (unsigned)klimit);
#endif
#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
if (msr)
- eprintk("!!!Your kernel has setup MSR instruction but "
+ printk("!!!Your kernel has setup MSR instruction but "
"CPU don't have it %x\n", msr);
#else
if (!msr)
- eprintk("!!!Your kernel not setup MSR instruction but "
+ printk("!!!Your kernel not setup MSR instruction but "
"CPU have it %x\n", msr);
#endif
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index d915a122c86..6a2b294ef6d 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -173,7 +173,7 @@ ENTRY(sys_call_table)
.long sys_ni_syscall /* sys_vm86 */
.long sys_ni_syscall /* Old sys_query_module */
.long sys_poll
- .long sys_nfsservctl
+ .long sys_ni_syscall /* old nfsservctl */
.long sys_setresgid /* 170 */
.long sys_getresgid
.long sys_prctl
@@ -380,3 +380,6 @@ ENTRY(sys_call_table)
.long sys_clock_adjtime
.long sys_syncfs
.long sys_setns /* 375 */
+ .long sys_sendmmsg
+ .long sys_process_vm_readv
+ .long sys_process_vm_writev
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index e5550ce4e0e..3cb0bf64013 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -243,7 +243,7 @@ static int timer_initialized;
void __init time_init(void)
{
- u32 irq, i = 0;
+ u32 irq;
u32 timer_num = 1;
struct device_node *timer = NULL;
const void *prop;
@@ -258,33 +258,24 @@ void __init time_init(void)
0
};
#endif
- const char * const timer_list[] = {
- "xlnx,xps-timer-1.00.a",
- NULL
- };
-
- for (i = 0; timer_list[i] != NULL; i++) {
- timer = of_find_compatible_node(NULL, NULL, timer_list[i]);
- if (timer)
- break;
- }
+ timer = of_find_compatible_node(NULL, NULL, "xlnx,xps-timer-1.00.a");
BUG_ON(!timer);
timer_baseaddr = be32_to_cpup(of_get_property(timer, "reg", NULL));
timer_baseaddr = (unsigned long) ioremap(timer_baseaddr, PAGE_SIZE);
- irq = be32_to_cpup(of_get_property(timer, "interrupts", NULL));
+ irq = irq_of_parse_and_map(timer, 0);
timer_num = be32_to_cpup(of_get_property(timer,
"xlnx,one-timer-only", NULL));
if (timer_num) {
- eprintk(KERN_EMERG "Please enable two timers in HW\n");
+ printk(KERN_EMERG "Please enable two timers in HW\n");
BUG();
}
#ifdef CONFIG_SELFMOD_TIMER
selfmod_function((int *) arr_func, timer_baseaddr);
#endif
- printk(KERN_INFO "%s #0 at 0x%08x, irq=%d\n",
- timer_list[i], timer_baseaddr, irq);
+ printk(KERN_INFO "XPS timer #0 at 0x%08x, irq=%d\n",
+ timer_baseaddr, irq);
/* If there is clock-frequency property than use it */
prop = of_get_property(timer, "clock-frequency", NULL);
@@ -308,7 +299,8 @@ unsigned long long notrace sched_clock(void)
{
if (timer_initialized) {
struct clocksource *cs = &clocksource_microblaze;
- cycle_t cyc = cnt32_to_63(cs->read(NULL));
+
+ cycle_t cyc = cnt32_to_63(cs->read(NULL)) & LLONG_MAX;
return clocksource_cyc2ns(cyc, cs->mult, cs->shift);
}
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-15 15:17:01 +0000