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yaml
---
r: 9654
b: refs/heads/master
c: 0835ae0
h: refs/heads/master
v: v3
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David S. Miller committed Oct 4, 2005
1 parent adab282 commit cd688a6
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Showing 41 changed files with 278 additions and 426 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: c0758146adbe39514e75ac860ce7e49f865c2297
refs/heads/master: 0835ae0f27c0bfde67613d189ef6c537e004a6de
2 changes: 1 addition & 1 deletion trunk/arch/arm/kernel/sys_arm.c
Original file line number Diff line number Diff line change
Expand Up @@ -305,7 +305,7 @@ long execve(const char *filename, char **argv, char **envp)
"Ir" (THREAD_START_SP - sizeof(regs)),
"r" (&regs),
"Ir" (sizeof(regs))
: "r0", "r1", "r2", "r3", "ip", "lr", "memory");
: "r0", "r1", "r2", "r3", "ip", "memory");

out:
return ret;
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2 changes: 1 addition & 1 deletion trunk/arch/arm/kernel/traps.c
Original file line number Diff line number Diff line change
Expand Up @@ -504,7 +504,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)

bad_access:
spin_unlock(&mm->page_table_lock);
/* simulate a write access fault */
/* simulate a read access fault */
do_DataAbort(addr, 15 + (1 << 11), regs);
return -1;
}
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23 changes: 11 additions & 12 deletions trunk/arch/arm/mach-imx/generic.c
Original file line number Diff line number Diff line change
Expand Up @@ -28,15 +28,14 @@
#include <linux/module.h>
#include <asm/arch/imxfb.h>
#include <asm/hardware.h>
#include <asm/arch/imx-regs.h>

#include <asm/mach/map.h>

void imx_gpio_mode(int gpio_mode)
{
unsigned int pin = gpio_mode & GPIO_PIN_MASK;
unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> 5;
unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> 10;
unsigned int tmp;

/* Pullup enable */
Expand All @@ -58,7 +57,7 @@ void imx_gpio_mode(int gpio_mode)
GPR(port) &= ~(1<<pin);

/* use as gpio? */
if(gpio_mode & GPIO_GIUS)
if( ocr == 3 )
GIUS(port) |= (1<<pin);
else
GIUS(port) &= ~(1<<pin);
Expand All @@ -73,20 +72,20 @@ void imx_gpio_mode(int gpio_mode)
tmp |= (ocr << (pin*2));
OCR1(port) = tmp;

ICONFA1(port) &= ~( 3<<(pin*2));
ICONFA1(port) |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
ICONFB1(port) &= ~( 3<<(pin*2));
ICONFB1(port) |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
if( gpio_mode & GPIO_AOUT )
ICONFA1(port) &= ~( 3<<(pin*2));
if( gpio_mode & GPIO_BOUT )
ICONFB1(port) &= ~( 3<<(pin*2));
} else {
tmp = OCR2(port);
tmp &= ~( 3<<((pin-16)*2));
tmp |= (ocr << ((pin-16)*2));
OCR2(port) = tmp;

ICONFA2(port) &= ~( 3<<((pin-16)*2));
ICONFA2(port) |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << ((pin-16) * 2);
ICONFB2(port) &= ~( 3<<((pin-16)*2));
ICONFB2(port) |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << ((pin-16) * 2);
if( gpio_mode & GPIO_AOUT )
ICONFA2(port) &= ~( 3<<((pin-16)*2));
if( gpio_mode & GPIO_BOUT )
ICONFB2(port) &= ~( 3<<((pin-16)*2));
}
}

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2 changes: 1 addition & 1 deletion trunk/arch/arm/mach-imx/mx1ads.c
Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,7 @@ static void __init
mx1ads_init(void)
{
#ifdef CONFIG_LEDS
imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
imx_gpio_mode(GPIO_PORTA | GPIO_OUT | GPIO_GPIO | 2);
#endif
platform_add_devices(devices, ARRAY_SIZE(devices));
}
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2 changes: 1 addition & 1 deletion trunk/arch/ppc/platforms/pmac_time.c
Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,7 @@ via_calibrate_decr(void)
;
dend = get_dec();

tb_ticks_per_jiffy = (dstart - dend) / ((6 * HZ)/100);
tb_ticks_per_jiffy = (dstart - dend) / (6 * (HZ/100));
tb_to_us = mulhwu_scale_factor(dstart - dend, 60000);

printk(KERN_INFO "via_calibrate_decr: ticks per jiffy = %u (%u ticks)\n",
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43 changes: 8 additions & 35 deletions trunk/arch/sparc64/kernel/entry.S
Original file line number Diff line number Diff line change
Expand Up @@ -97,8 +97,8 @@ do_fpdis:
faddd %f0, %f2, %f4
fmuld %f0, %f2, %f6
ldxa [%g3] ASI_DMMU, %g5
cplus_fptrap_insn_1:
sethi %hi(0), %g2
sethi %hi(sparc64_kern_sec_context), %g2
ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2
stxa %g2, [%g3] ASI_DMMU
membar #Sync
add %g6, TI_FPREGS + 0xc0, %g2
Expand Down Expand Up @@ -126,8 +126,8 @@ cplus_fptrap_insn_1:
fzero %f34
ldxa [%g3] ASI_DMMU, %g5
add %g6, TI_FPREGS, %g1
cplus_fptrap_insn_2:
sethi %hi(0), %g2
sethi %hi(sparc64_kern_sec_context), %g2
ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2
stxa %g2, [%g3] ASI_DMMU
membar #Sync
add %g6, TI_FPREGS + 0x40, %g2
Expand All @@ -153,8 +153,8 @@ cplus_fptrap_insn_2:
3: mov SECONDARY_CONTEXT, %g3
add %g6, TI_FPREGS, %g1
ldxa [%g3] ASI_DMMU, %g5
cplus_fptrap_insn_3:
sethi %hi(0), %g2
sethi %hi(sparc64_kern_sec_context), %g2
ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2
stxa %g2, [%g3] ASI_DMMU
membar #Sync
mov 0x40, %g2
Expand Down Expand Up @@ -319,8 +319,8 @@ do_fptrap_after_fsr:
stx %g3, [%g6 + TI_GSR]
mov SECONDARY_CONTEXT, %g3
ldxa [%g3] ASI_DMMU, %g5
cplus_fptrap_insn_4:
sethi %hi(0), %g2
sethi %hi(sparc64_kern_sec_context), %g2
ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2
stxa %g2, [%g3] ASI_DMMU
membar #Sync
add %g6, TI_FPREGS, %g2
Expand All @@ -341,33 +341,6 @@ cplus_fptrap_insn_4:
ba,pt %xcc, etrap
wr %g0, 0, %fprs

cplus_fptrap_1:
sethi %hi(CTX_CHEETAH_PLUS_CTX0), %g2

.globl cheetah_plus_patch_fpdis
cheetah_plus_patch_fpdis:
/* We configure the dTLB512_0 for 4MB pages and the
* dTLB512_1 for 8K pages when in context zero.
*/
sethi %hi(cplus_fptrap_1), %o0
lduw [%o0 + %lo(cplus_fptrap_1)], %o1

set cplus_fptrap_insn_1, %o2
stw %o1, [%o2]
flush %o2
set cplus_fptrap_insn_2, %o2
stw %o1, [%o2]
flush %o2
set cplus_fptrap_insn_3, %o2
stw %o1, [%o2]
flush %o2
set cplus_fptrap_insn_4, %o2
stw %o1, [%o2]
flush %o2

retl
nop

/* The registers for cross calls will be:
*
* DATA 0: [low 32-bits] Address of function to call, jmp to this
Expand Down
51 changes: 4 additions & 47 deletions trunk/arch/sparc64/kernel/etrap.S
Original file line number Diff line number Diff line change
Expand Up @@ -68,12 +68,8 @@ etrap_irq:

wrpr %g3, 0, %otherwin
wrpr %g2, 0, %wstate
cplus_etrap_insn_1:
sethi %hi(0), %g3
sllx %g3, 32, %g3
cplus_etrap_insn_2:
sethi %hi(0), %g2
or %g3, %g2, %g3
sethi %hi(sparc64_kern_pri_context), %g2
ldx [%g2 + %lo(sparc64_kern_pri_context)], %g3
stxa %g3, [%l4] ASI_DMMU
flush %l6
wr %g0, ASI_AIUS, %asi
Expand Down Expand Up @@ -215,12 +211,8 @@ scetrap: rdpr %pil, %g2
mov PRIMARY_CONTEXT, %l4
wrpr %g3, 0, %otherwin
wrpr %g2, 0, %wstate
cplus_etrap_insn_3:
sethi %hi(0), %g3
sllx %g3, 32, %g3
cplus_etrap_insn_4:
sethi %hi(0), %g2
or %g3, %g2, %g3
sethi %hi(sparc64_kern_pri_context), %g2
ldx [%g2 + %lo(sparc64_kern_pri_context)], %g3
stxa %g3, [%l4] ASI_DMMU
flush %l6

Expand Down Expand Up @@ -264,38 +256,3 @@ cplus_etrap_insn_4:

#undef TASK_REGOFF
#undef ETRAP_PSTATE1

cplus_einsn_1:
sethi %uhi(CTX_CHEETAH_PLUS_NUC), %g3
cplus_einsn_2:
sethi %hi(CTX_CHEETAH_PLUS_CTX0), %g2

.globl cheetah_plus_patch_etrap
cheetah_plus_patch_etrap:
/* We configure the dTLB512_0 for 4MB pages and the
* dTLB512_1 for 8K pages when in context zero.
*/
sethi %hi(cplus_einsn_1), %o0
sethi %hi(cplus_etrap_insn_1), %o2
lduw [%o0 + %lo(cplus_einsn_1)], %o1
or %o2, %lo(cplus_etrap_insn_1), %o2
stw %o1, [%o2]
flush %o2
sethi %hi(cplus_etrap_insn_3), %o2
or %o2, %lo(cplus_etrap_insn_3), %o2
stw %o1, [%o2]
flush %o2

sethi %hi(cplus_einsn_2), %o0
sethi %hi(cplus_etrap_insn_2), %o2
lduw [%o0 + %lo(cplus_einsn_2)], %o1
or %o2, %lo(cplus_etrap_insn_2), %o2
stw %o1, [%o2]
flush %o2
sethi %hi(cplus_etrap_insn_4), %o2
or %o2, %lo(cplus_etrap_insn_4), %o2
stw %o1, [%o2]
flush %o2

retl
nop
33 changes: 5 additions & 28 deletions trunk/arch/sparc64/kernel/head.S
Original file line number Diff line number Diff line change
Expand Up @@ -325,23 +325,7 @@ cheetah_tlb_fixup:
1: sethi %hi(tlb_type), %g1
stw %g2, [%g1 + %lo(tlb_type)]

BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,1f)
ba,pt %xcc, 2f
nop

1: /* Patch context register writes to support nucleus page
* size correctly.
*/
call cheetah_plus_patch_etrap
nop
call cheetah_plus_patch_rtrap
nop
call cheetah_plus_patch_fpdis
nop
call cheetah_plus_patch_winfixup
nop

2: /* Patch copy/page operations to cheetah optimized versions. */
/* Patch copy/page operations to cheetah optimized versions. */
call cheetah_patch_copyops
nop
call cheetah_patch_copy_page
Expand Down Expand Up @@ -484,20 +468,13 @@ spitfire_vpte_base:
call prom_set_trap_table
sethi %hi(sparc64_ttable_tl0), %o0

BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g2,g3,1f)
ba,pt %xcc, 2f
nop

1: /* Start using proper page size encodings in ctx register. */
sethi %uhi(CTX_CHEETAH_PLUS_NUC), %g3
/* Start using proper page size encodings in ctx register. */
sethi %hi(sparc64_kern_pri_context), %g3
ldx [%g3 + %lo(sparc64_kern_pri_context)], %g2
mov PRIMARY_CONTEXT, %g1
sllx %g3, 32, %g3
sethi %hi(CTX_CHEETAH_PLUS_CTX0), %g2
or %g3, %g2, %g3
stxa %g3, [%g1] ASI_DMMU
stxa %g2, [%g1] ASI_DMMU
membar #Sync

2:
rdpr %pstate, %o1
or %o1, PSTATE_IE, %o1
wrpr %o1, 0, %pstate
Expand Down
23 changes: 2 additions & 21 deletions trunk/arch/sparc64/kernel/rtrap.S
Original file line number Diff line number Diff line change
Expand Up @@ -256,9 +256,8 @@ rt_continue: ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1
brnz,pn %l3, kern_rtt
mov PRIMARY_CONTEXT, %l7
ldxa [%l7 + %l7] ASI_DMMU, %l0
cplus_rtrap_insn_1:
sethi %hi(0), %l1
sllx %l1, 32, %l1
sethi %hi(sparc64_kern_pri_nuc_bits), %l1
ldx [%l1 + %lo(sparc64_kern_pri_nuc_bits)], %l1
or %l0, %l1, %l0
stxa %l0, [%l7] ASI_DMMU
flush %g6
Expand Down Expand Up @@ -345,21 +344,3 @@ kern_fpucheck: ldub [%g6 + TI_FPDEPTH], %l5
wr %g0, FPRS_DU, %fprs
ba,pt %xcc, rt_continue
stb %l5, [%g6 + TI_FPDEPTH]

cplus_rinsn_1:
sethi %uhi(CTX_CHEETAH_PLUS_NUC), %l1

.globl cheetah_plus_patch_rtrap
cheetah_plus_patch_rtrap:
/* We configure the dTLB512_0 for 4MB pages and the
* dTLB512_1 for 8K pages when in context zero.
*/
sethi %hi(cplus_rinsn_1), %o0
sethi %hi(cplus_rtrap_insn_1), %o2
lduw [%o0 + %lo(cplus_rinsn_1)], %o1
or %o2, %lo(cplus_rtrap_insn_1), %o2
stw %o1, [%o2]
flush %o2

retl
nop
8 changes: 2 additions & 6 deletions trunk/arch/sparc64/kernel/setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -187,17 +187,13 @@ int prom_callback(long *args)
}

if ((va >= KERNBASE) && (va < (KERNBASE + (4 * 1024 * 1024)))) {
unsigned long kernel_pctx = 0;

if (tlb_type == cheetah_plus)
kernel_pctx |= (CTX_CHEETAH_PLUS_NUC |
CTX_CHEETAH_PLUS_CTX0);
extern unsigned long sparc64_kern_pri_context;

/* Spitfire Errata #32 workaround */
__asm__ __volatile__("stxa %0, [%1] %2\n\t"
"flush %%g6"
: /* No outputs */
: "r" (kernel_pctx),
: "r" (sparc64_kern_pri_context),
"r" (PRIMARY_CONTEXT),
"i" (ASI_DMMU));

Expand Down
15 changes: 4 additions & 11 deletions trunk/arch/sparc64/kernel/trampoline.S
Original file line number Diff line number Diff line change
Expand Up @@ -336,20 +336,13 @@ do_unlock:
call init_irqwork_curcpu
nop

BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g2,g3,1f)
ba,pt %xcc, 2f
nop

1: /* Start using proper page size encodings in ctx register. */
sethi %uhi(CTX_CHEETAH_PLUS_NUC), %g3
/* Start using proper page size encodings in ctx register. */
sethi %hi(sparc64_kern_pri_context), %g3
ldx [%g3 + %lo(sparc64_kern_pri_context)], %g2
mov PRIMARY_CONTEXT, %g1
sllx %g3, 32, %g3
sethi %hi(CTX_CHEETAH_PLUS_CTX0), %g2
or %g3, %g2, %g3
stxa %g3, [%g1] ASI_DMMU
stxa %g2, [%g1] ASI_DMMU
membar #Sync

2:
rdpr %pstate, %o1
or %o1, PSTATE_IE, %o1
wrpr %o1, 0, %pstate
Expand Down
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