From d8fb91e8344ff11381fc47d43e0b234065be4bd0 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 26 Jun 2009 08:14:36 +0200
Subject: CRIS: add pgprot_noncached
On CRIS, the high address bit controls caching, which means that
we can add a pgprot_noncached() macro that sets this bit in the
address.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
---
arch/cris/include/arch-v10/arch/mmu.h | 9 +++++----
arch/cris/include/arch-v32/arch/mmu.h | 10 ++++++----
arch/cris/include/asm/pgtable.h | 2 ++
3 files changed, 13 insertions(+), 8 deletions(-)
(limited to 'arch')
diff --git a/arch/cris/include/arch-v10/arch/mmu.h b/arch/cris/include/arch-v10/arch/mmu.h
index df84f1716e6..e829e5a37bb 100644
--- a/arch/cris/include/arch-v10/arch/mmu.h
+++ b/arch/cris/include/arch-v10/arch/mmu.h
@@ -33,10 +33,10 @@ typedef struct
/* CRIS PTE bits (see R_TLB_LO in the register description)
*
- * Bit: 31-13 12-------4 3 2 1 0
- * ________________________________________________
- * | pfn | reserved | global | valid | kernel | we |
- * |_____|__________|________|_______|________|_____|
+ * Bit: 31 30-13 12-------4 3 2 1 0
+ * _______________________________________________________
+ * | cache |pfn | reserved | global | valid | kernel | we |
+ * |_______|____|__________|________|_______|________|_____|
*
* (pfn = physical frame number)
*/
@@ -53,6 +53,7 @@ typedef struct
#define _PAGE_VALID (1<<2) /* page is valid */
#define _PAGE_SILENT_READ (1<<2) /* synonym */
#define _PAGE_GLOBAL (1<<3) /* global page - context is ignored */
+#define _PAGE_NO_CACHE (1<<31) /* part of the uncached memory map */
/* Bits the HW doesn't care about but the kernel uses them in SW */
diff --git a/arch/cris/include/arch-v32/arch/mmu.h b/arch/cris/include/arch-v32/arch/mmu.h
index 6bcdc3fdf7d..c1a13e05e96 100644
--- a/arch/cris/include/arch-v32/arch/mmu.h
+++ b/arch/cris/include/arch-v32/arch/mmu.h
@@ -28,10 +28,10 @@ typedef struct
/*
* CRISv32 PTE bits:
*
- * Bit: 31-13 12-5 4 3 2 1 0
- * +-----+------+--------+-------+--------+-------+---------+
- * | pfn | zero | global | valid | kernel | write | execute |
- * +-----+------+--------+-------+--------+-------+---------+
+ * Bit: 31 30-13 12-5 4 3 2 1 0
+ * +-------+-----+------+--------+-------+--------+-------+---------+
+ * | cache | pfn | zero | global | valid | kernel | write | execute |
+ * +-------+-----+------+--------+-------+--------+-------+---------+
*/
/*
@@ -45,6 +45,8 @@ typedef struct
#define _PAGE_VALID (1 << 3) /* Page is valid. */
#define _PAGE_SILENT_READ (1 << 3) /* Same as above. */
#define _PAGE_GLOBAL (1 << 4) /* Global page. */
+#define _PAGE_NO_CACHE (1 << 31) /* part of the uncached memory map */
+
/*
* The hardware doesn't care about these bits, but the kernel uses them in
diff --git a/arch/cris/include/asm/pgtable.h b/arch/cris/include/asm/pgtable.h
index 50aa974aa83..1fcce00f01f 100644
--- a/arch/cris/include/asm/pgtable.h
+++ b/arch/cris/include/asm/pgtable.h
@@ -197,6 +197,8 @@ static inline pte_t __mk_pte(void * page, pgprot_t pgprot)
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{ pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot); return pte; }
+#define pgprot_noncached(prot) __pgprot((pgprot_val(prot) | _PAGE_NO_CACHE))
+
/* pte_val refers to a page in the 0x4xxxxxxx physical DRAM interval
* __pte_page(pte_val) refers to the "virtual" DRAM interval
--
cgit v1.2.3-18-g5258
From 0395ac6447c05e9393d4f8187ea6588b9d1daeb7 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Tue, 4 Aug 2009 16:49:52 +0200
Subject: CRIS: convert to asm-generic/hardirq.h
Convert CRIS to use asm-generic/hardirq.h
Also remove unneeded (incorrect) prototypes for setup_irq().
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
---
arch/cris/arch-v10/kernel/time.c | 1 -
arch/cris/arch-v32/kernel/smp.c | 2 --
arch/cris/arch-v32/kernel/time.c | 1 -
arch/cris/include/asm/hardirq.h | 12 ++----------
arch/cris/kernel/irq.c | 5 -----
5 files changed, 2 insertions(+), 19 deletions(-)
(limited to 'arch')
diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c
index 2b73c7a5b64..31ca1418d5a 100644
--- a/arch/cris/arch-v10/kernel/time.c
+++ b/arch/cris/arch-v10/kernel/time.c
@@ -28,7 +28,6 @@
extern void update_xtime_from_cmos(void);
extern int set_rtc_mmss(unsigned long nowtime);
-extern int setup_irq(int, struct irqaction *);
extern int have_rtc;
unsigned long get_ns_in_jiffie(void)
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index d2a3ff8c4d3..058adddf4e4 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/arch/cris/arch-v32/kernel/smp.c
@@ -52,8 +52,6 @@ static struct mm_struct* flush_mm;
static struct vm_area_struct* flush_vma;
static unsigned long flush_addr;
-extern int setup_irq(int, struct irqaction *);
-
/* Mode registers */
static unsigned long irq_regs[NR_CPUS] = {
regi_irq,
diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c
index 65633d0dab8..b1920d8de40 100644
--- a/arch/cris/arch-v32/kernel/time.c
+++ b/arch/cris/arch-v32/kernel/time.c
@@ -46,7 +46,6 @@ unsigned long timer_regs[NR_CPUS] =
extern void update_xtime_from_cmos(void);
extern int set_rtc_mmss(unsigned long nowtime);
-extern int setup_irq(int, struct irqaction *);
extern int have_rtc;
#ifdef CONFIG_CPU_FREQ
diff --git a/arch/cris/include/asm/hardirq.h b/arch/cris/include/asm/hardirq.h
index 74178adeb1c..17bb12d760b 100644
--- a/arch/cris/include/asm/hardirq.h
+++ b/arch/cris/include/asm/hardirq.h
@@ -2,16 +2,6 @@
#define __ASM_HARDIRQ_H
#include <asm/irq.h>
-#include <linux/threads.h>
-#include <linux/cache.h>
-
-typedef struct {
- unsigned int __softirq_pending;
-} ____cacheline_aligned irq_cpustat_t;
-
-#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
-
-void ack_bad_irq(unsigned int irq);
#define HARDIRQ_BITS 8
@@ -24,4 +14,6 @@ void ack_bad_irq(unsigned int irq);
# error HARDIRQ_BITS is too low!
#endif
+#include <asm-generic/hardirq.h>
+
#endif /* __ASM_HARDIRQ_H */
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
index 7f642fcffbf..0ca7d9892cc 100644
--- a/arch/cris/kernel/irq.c
+++ b/arch/cris/kernel/irq.c
@@ -38,11 +38,6 @@
#include <asm/io.h>
-void ack_bad_irq(unsigned int irq)
-{
- printk("unexpected IRQ trap at vector %02x\n", irq);
-}
-
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
--
cgit v1.2.3-18-g5258
From 62f589c5e391dc2081db42e801382304c652e43a Mon Sep 17 00:00:00 2001
From: Stoyan Gaydarov <sgayda2@uiuc.edu>
Date: Wed, 22 Jul 2009 05:02:33 +0200
Subject: ARRAY_SIZE changes
These changes were a direct result of using a semantic patch
More information can be found at http://www.emn.fr/x-info/coccinelle/
Signed-off-by: Stoyan Gaydarov <sgayda2@uiuc.edu>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
---
arch/cris/arch-v32/mach-a3/io.c | 2 +-
arch/cris/arch-v32/mach-fs/io.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
(limited to 'arch')
diff --git a/arch/cris/arch-v32/mach-a3/io.c b/arch/cris/arch-v32/mach-a3/io.c
index c22f67ecd9f..090ceb99ef0 100644
--- a/arch/cris/arch-v32/mach-a3/io.c
+++ b/arch/cris/arch-v32/mach-a3/io.c
@@ -36,7 +36,7 @@ struct crisv32_ioport crisv32_ioports[] = {
},
};
-#define NBR_OF_PORTS sizeof(crisv32_ioports)/sizeof(struct crisv32_ioport)
+#define NBR_OF_PORTS ARRAY_SIZE(crisv32_ioports)
struct crisv32_iopin crisv32_led_net0_green;
struct crisv32_iopin crisv32_led_net0_red;
diff --git a/arch/cris/arch-v32/mach-fs/io.c b/arch/cris/arch-v32/mach-fs/io.c
index cb6327b1f8f..a6958661fa8 100644
--- a/arch/cris/arch-v32/mach-fs/io.c
+++ b/arch/cris/arch-v32/mach-fs/io.c
@@ -52,7 +52,7 @@ struct crisv32_ioport crisv32_ioports[] = {
}
};
-#define NBR_OF_PORTS sizeof(crisv32_ioports)/sizeof(struct crisv32_ioport)
+#define NBR_OF_PORTS ARRAY_SIZE(crisv32_ioports)
struct crisv32_iopin crisv32_led_net0_green;
struct crisv32_iopin crisv32_led_net0_red;
--
cgit v1.2.3-18-g5258
From 24924ece4482d5466ffcd0affedce63816c88e53 Mon Sep 17 00:00:00 2001
From: Jesper Nilsson <jesper.nilsson@axis.com>
Date: Wed, 23 Sep 2009 13:21:57 +0200
Subject: CRIS: Cleanup linker script using new linker script macros.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
---
arch/cris/kernel/vmlinux.lds.S | 37 ++++++++-----------------------------
1 file changed, 8 insertions(+), 29 deletions(-)
(limited to 'arch')
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
index 0d2adfc794d..971c2fa08f2 100644
--- a/arch/cris/kernel/vmlinux.lds.S
+++ b/arch/cris/kernel/vmlinux.lds.S
@@ -51,10 +51,7 @@ SECTIONS
_etext = . ; /* End of text section. */
__etext = .;
- . = ALIGN(4); /* Exception table. */
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
+ EXCEPTION_TABLE(4)
RODATA
@@ -67,36 +64,24 @@ SECTIONS
__edata = . ; /* End of data section. */
_edata = . ;
- . = ALIGN(PAGE_SIZE); /* init_task and stack, must be aligned. */
- .data.init_task : { *(.data.init_task) }
+ INIT_TASK_DATA_SECTION(PAGE_SIZE)
. = ALIGN(PAGE_SIZE); /* Init code and data. */
__init_begin = .;
- .init.text : {
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
+ INIT_TEXT_SECTION(PAGE_SIZE)
.init.data : { INIT_DATA }
- . = ALIGN(16);
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
+ .init.setup : { INIT_SETUP(16) }
#ifdef CONFIG_ETRAX_ARCH_V32
__start___param = .;
__param : { *(__param) }
__stop___param = .;
#endif
.initcall.init : {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
+ INIT_CALLS
}
.con_initcall.init : {
- __con_initcall_start = .;
- *(.con_initcall.init)
- __con_initcall_end = .;
+ CON_INITCALL
}
SECURITY_INIT
@@ -114,9 +99,7 @@ SECTIONS
PERCPU(PAGE_SIZE)
.init.ramfs : {
- __initramfs_start = .;
- *(.init.ramfs)
- __initramfs_end = .;
+ INIT_RAM_FS
}
#endif
@@ -130,11 +113,7 @@ SECTIONS
__init_end = .;
__data_end = . ; /* Move to _edata ? */
- __bss_start = .; /* BSS. */
- .bss : {
- *(COMMON)
- *(.bss)
- }
+ BSS_SECTION(0, 0, 0)
. = ALIGN (0x20);
_end = .;
--
cgit v1.2.3-18-g5258