@@ -12,7 +12,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_PARTITION_ADVANCED=y
CONFIG_ARCH_EP93XX=y
-CONFIG_CRUNCH=y
CONFIG_MACH_ADSSPHERE=y
CONFIG_MACH_EDB9301=y
CONFIG_MACH_EDB9302=y
@@ -77,14 +77,6 @@ union fp_state {
#define FP_SIZE (sizeof(union fp_state) / sizeof(int))
-struct crunch_state {
- unsigned int mvdx[16][2];
- unsigned int mvax[4][3];
- unsigned int dspsc[2];
-};
-
-#define CRUNCH_SIZE sizeof(struct crunch_state)
-
#endif
#endif
@@ -65,9 +65,6 @@ struct thread_info {
__u32 syscall; /* syscall number */
__u8 used_cp[16]; /* thread used copro */
unsigned long tp_value[2]; /* TLS registers */
-#ifdef CONFIG_CRUNCH
- struct crunch_state crunchstate;
-#endif
union fp_state fpstate __attribute__((aligned(8)));
union vfp_state vfpstate;
#ifdef CONFIG_ARM_THUMBEE
@@ -107,11 +104,6 @@ static inline struct thread_info *current_thread_info(void)
((unsigned long)(task_thread_info(tsk)->cpu_context.r7))
#endif
-extern void crunch_task_disable(struct thread_info *);
-extern void crunch_task_copy(struct thread_info *, void *);
-extern void crunch_task_restore(struct thread_info *, void *);
-extern void crunch_task_release(struct thread_info *);
-
extern void iwmmxt_task_disable(struct thread_info *);
extern void iwmmxt_task_copy(struct thread_info *, void *);
extern void iwmmxt_task_restore(struct thread_info *, void *);
@@ -43,17 +43,6 @@ struct ucontext {
*/
#define DUMMY_MAGIC 0xb0d9ed01
-#ifdef CONFIG_CRUNCH
-#define CRUNCH_MAGIC 0x5065cf03
-#define CRUNCH_STORAGE_SIZE (CRUNCH_SIZE + 8)
-
-struct crunch_sigframe {
- unsigned long magic;
- unsigned long size;
- struct crunch_state storage;
-} __attribute__((__aligned__(8)));
-#endif
-
#ifdef CONFIG_IWMMXT
/* iwmmxt_area is 0x98 bytes long, preceded by 8 bytes of signature */
#define IWMMXT_MAGIC 0x12ef842a
@@ -92,9 +81,6 @@ struct vfp_sigframe
* one of these.
*/
struct aux_sigframe {
-#ifdef CONFIG_CRUNCH
- struct crunch_sigframe crunch;
-#endif
#ifdef CONFIG_IWMMXT
struct iwmmxt_sigframe iwmmxt;
#endif
@@ -15,7 +15,7 @@
#define HWCAP_EDSP (1 << 7)
#define HWCAP_JAVA (1 << 8)
#define HWCAP_IWMMXT (1 << 9)
-#define HWCAP_CRUNCH (1 << 10)
+#define HWCAP_CRUNCH (1 << 10) /* Obsolete */
#define HWCAP_THUMBEE (1 << 11)
#define HWCAP_NEON (1 << 12)
#define HWCAP_VFPv3 (1 << 13)
@@ -26,8 +26,8 @@
#define PTRACE_GET_THREAD_AREA 22
#define PTRACE_SET_SYSCALL 23
/* PTRACE_SYSCALL is 24 */
-#define PTRACE_GETCRUNCHREGS 25
-#define PTRACE_SETCRUNCHREGS 26
+#define PTRACE_GETCRUNCHREGS 25 /* obsolete */
+#define PTRACE_SETCRUNCHREGS 26 /* obsolete */
#define PTRACE_GETVFPREGS 27
#define PTRACE_SETVFPREGS 28
#define PTRACE_GETHBPREGS 29
@@ -63,9 +63,6 @@ int main(void)
#ifdef CONFIG_IWMMXT
DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
#endif
-#ifdef CONFIG_CRUNCH
- DEFINE(TI_CRUNCH_STATE, offsetof(struct thread_info, crunchstate));
-#endif
#ifdef CONFIG_STACKPROTECTOR_PER_TASK
DEFINE(TI_STACK_CANARY, offsetof(struct thread_info, stack_canary));
#endif
@@ -618,15 +618,9 @@ call_fpe:
W(b) do_fpe @ CP#1 (FPE)
W(b) do_fpe @ CP#2 (FPE)
ret.w lr @ CP#3
-#ifdef CONFIG_CRUNCH
- b crunch_task_enable @ CP#4 (MaverickCrunch)
- b crunch_task_enable @ CP#5 (MaverickCrunch)
- b crunch_task_enable @ CP#6 (MaverickCrunch)
-#else
ret.w lr @ CP#4
ret.w lr @ CP#5
ret.w lr @ CP#6
-#endif
ret.w lr @ CP#7
ret.w lr @ CP#8
ret.w lr @ CP#9
@@ -318,32 +318,6 @@ static int ptrace_setwmmxregs(struct task_struct *tsk, void __user *ufp)
#endif
-#ifdef CONFIG_CRUNCH
-/*
- * Get the child Crunch state.
- */
-static int ptrace_getcrunchregs(struct task_struct *tsk, void __user *ufp)
-{
- struct thread_info *thread = task_thread_info(tsk);
-
- crunch_task_disable(thread); /* force it to ram */
- return copy_to_user(ufp, &thread->crunchstate, CRUNCH_SIZE)
- ? -EFAULT : 0;
-}
-
-/*
- * Set the child Crunch state.
- */
-static int ptrace_setcrunchregs(struct task_struct *tsk, void __user *ufp)
-{
- struct thread_info *thread = task_thread_info(tsk);
-
- crunch_task_release(thread); /* force a reload */
- return copy_from_user(&thread->crunchstate, ufp, CRUNCH_SIZE)
- ? -EFAULT : 0;
-}
-#endif
-
#ifdef CONFIG_HAVE_HW_BREAKPOINT
/*
* Convert a virtual register number into an index for a thread_info
@@ -815,16 +789,6 @@ long arch_ptrace(struct task_struct *child, long request,
ret = 0;
break;
-#ifdef CONFIG_CRUNCH
- case PTRACE_GETCRUNCHREGS:
- ret = ptrace_getcrunchregs(child, datap);
- break;
-
- case PTRACE_SETCRUNCHREGS:
- ret = ptrace_setcrunchregs(child, datap);
- break;
-#endif
-
#ifdef CONFIG_VFP
case PTRACE_GETVFPREGS:
ret = copy_regset_to_user(child,
@@ -25,40 +25,6 @@ extern const unsigned long sigreturn_codes[17];
static unsigned long signal_return_offset;
-#ifdef CONFIG_CRUNCH
-static int preserve_crunch_context(struct crunch_sigframe __user *frame)
-{
- char kbuf[sizeof(*frame) + 8];
- struct crunch_sigframe *kframe;
-
- /* the crunch context must be 64 bit aligned */
- kframe = (struct crunch_sigframe *)((unsigned long)(kbuf + 8) & ~7);
- kframe->magic = CRUNCH_MAGIC;
- kframe->size = CRUNCH_STORAGE_SIZE;
- crunch_task_copy(current_thread_info(), &kframe->storage);
- return __copy_to_user(frame, kframe, sizeof(*frame));
-}
-
-static int restore_crunch_context(char __user **auxp)
-{
- struct crunch_sigframe __user *frame =
- (struct crunch_sigframe __user *)*auxp;
- char kbuf[sizeof(*frame) + 8];
- struct crunch_sigframe *kframe;
-
- /* the crunch context must be 64 bit aligned */
- kframe = (struct crunch_sigframe *)((unsigned long)(kbuf + 8) & ~7);
- if (__copy_from_user(kframe, frame, sizeof(*frame)))
- return -1;
- if (kframe->magic != CRUNCH_MAGIC ||
- kframe->size != CRUNCH_STORAGE_SIZE)
- return -1;
- *auxp += CRUNCH_STORAGE_SIZE;
- crunch_task_restore(current_thread_info(), &kframe->storage);
- return 0;
-}
-#endif
-
#ifdef CONFIG_IWMMXT
static int preserve_iwmmxt_context(struct iwmmxt_sigframe __user *frame)
@@ -205,10 +171,6 @@ static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf)
err |= !valid_user_regs(regs);
aux = (char __user *) sf->uc.uc_regspace;
-#ifdef CONFIG_CRUNCH
- if (err == 0)
- err |= restore_crunch_context(&aux);
-#endif
#ifdef CONFIG_IWMMXT
if (err == 0)
err |= restore_iwmmxt_context(&aux);
@@ -321,10 +283,6 @@ setup_sigframe(struct sigframe __user *sf, struct pt_regs *regs, sigset_t *set)
err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(*set));
aux = (struct aux_sigframe __user *) sf->uc.uc_regspace;
-#ifdef CONFIG_CRUNCH
- if (err == 0)
- err |= preserve_crunch_context(&aux->crunch);
-#endif
#ifdef CONFIG_IWMMXT
if (err == 0)
err |= preserve_iwmmxt_context(&aux->iwmmxt);
@@ -9,11 +9,6 @@ config EP93XX_SOC_COMMON
select SOC_BUS
select LEDS_GPIO_REGISTER
-config CRUNCH
- bool "Support for MaverickCrunch"
- help
- Enable kernel support for MaverickCrunch.
-
comment "EP93xx Platforms"
config MACH_ADSSPHERE
@@ -6,9 +6,6 @@ obj-y := core.o clock.o timer-ep93xx.o
obj-$(CONFIG_EP93XX_DMA) += dma.o
-obj-$(CONFIG_CRUNCH) += crunch.o crunch-bits.o
-AFLAGS_crunch-bits.o := -Wa,-mcpu=ep9312
-
obj-$(CONFIG_MACH_ADSSPHERE) += adssphere.o
obj-$(CONFIG_MACH_EDB93XX) += edb93xx.o
obj-$(CONFIG_MACH_GESBC9312) += gesbc9312.o
@@ -36,6 +36,5 @@ MACHINE_START(ADSSPHERE, "ADS Sphere board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = adssphere_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
@@ -1004,8 +1004,3 @@ void ep93xx_restart(enum reboot_mode mode, const char *cmd)
while (1)
;
}
-
-void __init ep93xx_init_late(void)
-{
- crunch_init();
-}
deleted file mode 100644
@@ -1,310 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/kernel/crunch-bits.S
- * Cirrus MaverickCrunch context switching and handling
- *
- * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
- *
- * Shamelessly stolen from the iWMMXt code by Nicolas Pitre, which is
- * Copyright (c) 2003-2004, MontaVista Software, Inc.
- */
-
-#include <linux/linkage.h>
-#include <asm/ptrace.h>
-#include <asm/thread_info.h>
-#include <asm/asm-offsets.h>
-#include <asm/assembler.h>
-#include <mach/ep93xx-regs.h>
-
-/*
- * We can't use hex constants here due to a bug in gas.
- */
-#define CRUNCH_MVDX0 0
-#define CRUNCH_MVDX1 8
-#define CRUNCH_MVDX2 16
-#define CRUNCH_MVDX3 24
-#define CRUNCH_MVDX4 32
-#define CRUNCH_MVDX5 40
-#define CRUNCH_MVDX6 48
-#define CRUNCH_MVDX7 56
-#define CRUNCH_MVDX8 64
-#define CRUNCH_MVDX9 72
-#define CRUNCH_MVDX10 80
-#define CRUNCH_MVDX11 88
-#define CRUNCH_MVDX12 96
-#define CRUNCH_MVDX13 104
-#define CRUNCH_MVDX14 112
-#define CRUNCH_MVDX15 120
-#define CRUNCH_MVAX0L 128
-#define CRUNCH_MVAX0M 132
-#define CRUNCH_MVAX0H 136
-#define CRUNCH_MVAX1L 140
-#define CRUNCH_MVAX1M 144
-#define CRUNCH_MVAX1H 148
-#define CRUNCH_MVAX2L 152
-#define CRUNCH_MVAX2M 156
-#define CRUNCH_MVAX2H 160
-#define CRUNCH_MVAX3L 164
-#define CRUNCH_MVAX3M 168
-#define CRUNCH_MVAX3H 172
-#define CRUNCH_DSPSC 176
-
-#define CRUNCH_SIZE 184
-
- .text
-
-/*
- * Lazy switching of crunch coprocessor context
- *
- * r10 = struct thread_info pointer
- * r9 = ret_from_exception
- * lr = undefined instr exit
- *
- * called from prefetch exception handler with interrupts enabled
- */
-ENTRY(crunch_task_enable)
- inc_preempt_count r10, r3
-
- ldr r8, =(EP93XX_APB_VIRT_BASE + 0x00130000) @ syscon addr
-
- ldr r1, [r8, #0x80]
- tst r1, #0x00800000 @ access to crunch enabled?
- bne 2f @ if so no business here
- mov r3, #0xaa @ unlock syscon swlock
- str r3, [r8, #0xc0]
- orr r1, r1, #0x00800000 @ enable access to crunch
- str r1, [r8, #0x80]
-
- ldr r3, =crunch_owner
- add r0, r10, #TI_CRUNCH_STATE @ get task crunch save area
- ldr r2, [sp, #60] @ current task pc value
- ldr r1, [r3] @ get current crunch owner
- str r0, [r3] @ this task now owns crunch
- sub r2, r2, #4 @ adjust pc back
- str r2, [sp, #60]
-
- ldr r2, [r8, #0x80]
- mov r2, r2 @ flush out enable (@@@)
-
- teq r1, #0 @ test for last ownership
- mov lr, r9 @ normal exit from exception
- beq crunch_load @ no owner, skip save
-
-crunch_save:
- cfstr64 mvdx0, [r1, #CRUNCH_MVDX0] @ save 64b registers
- cfstr64 mvdx1, [r1, #CRUNCH_MVDX1]
- cfstr64 mvdx2, [r1, #CRUNCH_MVDX2]
- cfstr64 mvdx3, [r1, #CRUNCH_MVDX3]
- cfstr64 mvdx4, [r1, #CRUNCH_MVDX4]
- cfstr64 mvdx5, [r1, #CRUNCH_MVDX5]
- cfstr64 mvdx6, [r1, #CRUNCH_MVDX6]
- cfstr64 mvdx7, [r1, #CRUNCH_MVDX7]
- cfstr64 mvdx8, [r1, #CRUNCH_MVDX8]
- cfstr64 mvdx9, [r1, #CRUNCH_MVDX9]
- cfstr64 mvdx10, [r1, #CRUNCH_MVDX10]
- cfstr64 mvdx11, [r1, #CRUNCH_MVDX11]
- cfstr64 mvdx12, [r1, #CRUNCH_MVDX12]
- cfstr64 mvdx13, [r1, #CRUNCH_MVDX13]
- cfstr64 mvdx14, [r1, #CRUNCH_MVDX14]
- cfstr64 mvdx15, [r1, #CRUNCH_MVDX15]
-
-#ifdef __ARMEB__
-#error fix me for ARMEB
-#endif
-
- cfmv32al mvfx0, mvax0 @ save 72b accumulators
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX0L]
- cfmv32am mvfx0, mvax0
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX0M]
- cfmv32ah mvfx0, mvax0
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX0H]
- cfmv32al mvfx0, mvax1
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX1L]
- cfmv32am mvfx0, mvax1
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX1M]
- cfmv32ah mvfx0, mvax1
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX1H]
- cfmv32al mvfx0, mvax2
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX2L]
- cfmv32am mvfx0, mvax2
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX2M]
- cfmv32ah mvfx0, mvax2
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX2H]
- cfmv32al mvfx0, mvax3
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX3L]
- cfmv32am mvfx0, mvax3
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX3M]
- cfmv32ah mvfx0, mvax3
- cfstr32 mvfx0, [r1, #CRUNCH_MVAX3H]
-
- cfmv32sc mvdx0, dspsc @ save status word
- cfstr64 mvdx0, [r1, #CRUNCH_DSPSC]
-
- teq r0, #0 @ anything to load?
- cfldr64eq mvdx0, [r1, #CRUNCH_MVDX0] @ mvdx0 was clobbered
- beq 1f
-
-crunch_load:
- cfldr64 mvdx0, [r0, #CRUNCH_DSPSC] @ load status word
- cfmvsc32 dspsc, mvdx0
-
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX0L] @ load 72b accumulators
- cfmval32 mvax0, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX0M]
- cfmvam32 mvax0, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX0H]
- cfmvah32 mvax0, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX1L]
- cfmval32 mvax1, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX1M]
- cfmvam32 mvax1, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX1H]
- cfmvah32 mvax1, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX2L]
- cfmval32 mvax2, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX2M]
- cfmvam32 mvax2, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX2H]
- cfmvah32 mvax2, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX3L]
- cfmval32 mvax3, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX3M]
- cfmvam32 mvax3, mvfx0
- cfldr32 mvfx0, [r0, #CRUNCH_MVAX3H]
- cfmvah32 mvax3, mvfx0
-
- cfldr64 mvdx0, [r0, #CRUNCH_MVDX0] @ load 64b registers
- cfldr64 mvdx1, [r0, #CRUNCH_MVDX1]
- cfldr64 mvdx2, [r0, #CRUNCH_MVDX2]
- cfldr64 mvdx3, [r0, #CRUNCH_MVDX3]
- cfldr64 mvdx4, [r0, #CRUNCH_MVDX4]
- cfldr64 mvdx5, [r0, #CRUNCH_MVDX5]
- cfldr64 mvdx6, [r0, #CRUNCH_MVDX6]
- cfldr64 mvdx7, [r0, #CRUNCH_MVDX7]
- cfldr64 mvdx8, [r0, #CRUNCH_MVDX8]
- cfldr64 mvdx9, [r0, #CRUNCH_MVDX9]
- cfldr64 mvdx10, [r0, #CRUNCH_MVDX10]
- cfldr64 mvdx11, [r0, #CRUNCH_MVDX11]
- cfldr64 mvdx12, [r0, #CRUNCH_MVDX12]
- cfldr64 mvdx13, [r0, #CRUNCH_MVDX13]
- cfldr64 mvdx14, [r0, #CRUNCH_MVDX14]
- cfldr64 mvdx15, [r0, #CRUNCH_MVDX15]
-
-1:
-#ifdef CONFIG_PREEMPT_COUNT
- get_thread_info r10
-#endif
-2: dec_preempt_count r10, r3
- ret lr
-
-/*
- * Back up crunch regs to save area and disable access to them
- * (mainly for gdb or sleep mode usage)
- *
- * r0 = struct thread_info pointer of target task or NULL for any
- */
-ENTRY(crunch_task_disable)
- stmfd sp!, {r4, r5, lr}
-
- mrs ip, cpsr
- orr r2, ip, #PSR_I_BIT @ disable interrupts
- msr cpsr_c, r2
-
- ldr r4, =(EP93XX_APB_VIRT_BASE + 0x00130000) @ syscon addr
-
- ldr r3, =crunch_owner
- add r2, r0, #TI_CRUNCH_STATE @ get task crunch save area
- ldr r1, [r3] @ get current crunch owner
- teq r1, #0 @ any current owner?
- beq 1f @ no: quit
- teq r0, #0 @ any owner?
- teqne r1, r2 @ or specified one?
- bne 1f @ no: quit
-
- ldr r5, [r4, #0x80] @ enable access to crunch
- mov r2, #0xaa
- str r2, [r4, #0xc0]
- orr r5, r5, #0x00800000
- str r5, [r4, #0x80]
-
- mov r0, #0 @ nothing to load
- str r0, [r3] @ no more current owner
- ldr r2, [r4, #0x80] @ flush out enable (@@@)
- mov r2, r2
- bl crunch_save
-
- mov r2, #0xaa @ disable access to crunch
- str r2, [r4, #0xc0]
- bic r5, r5, #0x00800000
- str r5, [r4, #0x80]
- ldr r5, [r4, #0x80] @ flush out enable (@@@)
- mov r5, r5
-
-1: msr cpsr_c, ip @ restore interrupt mode
- ldmfd sp!, {r4, r5, pc}
-
-/*
- * Copy crunch state to given memory address
- *
- * r0 = struct thread_info pointer of target task
- * r1 = memory address where to store crunch state
- *
- * this is called mainly in the creation of signal stack frames
- */
-ENTRY(crunch_task_copy)
- mrs ip, cpsr
- orr r2, ip, #PSR_I_BIT @ disable interrupts
- msr cpsr_c, r2
-
- ldr r3, =crunch_owner
- add r2, r0, #TI_CRUNCH_STATE @ get task crunch save area
- ldr r3, [r3] @ get current crunch owner
- teq r2, r3 @ does this task own it...
- beq 1f
-
- @ current crunch values are in the task save area
- msr cpsr_c, ip @ restore interrupt mode
- mov r0, r1
- mov r1, r2
- mov r2, #CRUNCH_SIZE
- b memcpy
-
-1: @ this task owns crunch regs -- grab a copy from there
- mov r0, #0 @ nothing to load
- mov r3, lr @ preserve return address
- bl crunch_save
- msr cpsr_c, ip @ restore interrupt mode
- ret r3
-
-/*
- * Restore crunch state from given memory address
- *
- * r0 = struct thread_info pointer of target task
- * r1 = memory address where to get crunch state from
- *
- * this is used to restore crunch state when unwinding a signal stack frame
- */
-ENTRY(crunch_task_restore)
- mrs ip, cpsr
- orr r2, ip, #PSR_I_BIT @ disable interrupts
- msr cpsr_c, r2
-
- ldr r3, =crunch_owner
- add r2, r0, #TI_CRUNCH_STATE @ get task crunch save area
- ldr r3, [r3] @ get current crunch owner
- teq r2, r3 @ does this task own it...
- beq 1f
-
- @ this task doesn't own crunch regs -- use its save area
- msr cpsr_c, ip @ restore interrupt mode
- mov r0, r2
- mov r2, #CRUNCH_SIZE
- b memcpy
-
-1: @ this task owns crunch regs -- load them directly
- mov r0, r1
- mov r1, #0 @ nothing to save
- mov r3, lr @ preserve return address
- bl crunch_load
- msr cpsr_c, ip @ restore interrupt mode
- ret r3
deleted file mode 100644
@@ -1,86 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/kernel/crunch.c
- * Cirrus MaverickCrunch context switching and handling
- *
- * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
-#include <asm/thread_notify.h>
-
-#include "soc.h"
-
-struct crunch_state *crunch_owner;
-
-void crunch_task_release(struct thread_info *thread)
-{
- local_irq_disable();
- if (crunch_owner == &thread->crunchstate)
- crunch_owner = NULL;
- local_irq_enable();
-}
-
-static int crunch_enabled(u32 devcfg)
-{
- return !!(devcfg & EP93XX_SYSCON_DEVCFG_CPENA);
-}
-
-static int crunch_do(struct notifier_block *self, unsigned long cmd, void *t)
-{
- struct thread_info *thread = (struct thread_info *)t;
- struct crunch_state *crunch_state;
- u32 devcfg;
-
- crunch_state = &thread->crunchstate;
-
- switch (cmd) {
- case THREAD_NOTIFY_FLUSH:
- memset(crunch_state, 0, sizeof(*crunch_state));
-
- /*
- * FALLTHROUGH: Ensure we don't try to overwrite our newly
- * initialised state information on the first fault.
- */
- fallthrough;
-
- case THREAD_NOTIFY_EXIT:
- crunch_task_release(thread);
- break;
-
- case THREAD_NOTIFY_SWITCH:
- devcfg = __raw_readl(EP93XX_SYSCON_DEVCFG);
- if (crunch_enabled(devcfg) || crunch_owner == crunch_state) {
- /*
- * We don't use ep93xx_syscon_swlocked_write() here
- * because we are on the context switch path and
- * preemption is already disabled.
- */
- devcfg ^= EP93XX_SYSCON_DEVCFG_CPENA;
- __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
- __raw_writel(devcfg, EP93XX_SYSCON_DEVCFG);
- }
- break;
- }
-
- return NOTIFY_DONE;
-}
-
-static struct notifier_block crunch_notifier_block = {
- .notifier_call = crunch_do,
-};
-
-int __init crunch_init(void)
-{
- thread_register_notifier(&crunch_notifier_block);
- elf_hwcap |= HWCAP_CRUNCH;
-
- return 0;
-}
@@ -247,7 +247,6 @@ MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = edb93xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -260,7 +259,6 @@ MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = edb93xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -273,7 +271,6 @@ MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = edb93xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -286,7 +283,6 @@ MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = edb93xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -299,7 +295,6 @@ MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = edb93xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -312,7 +307,6 @@ MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = edb93xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -325,7 +319,6 @@ MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = edb93xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -338,7 +331,6 @@ MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = edb93xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -36,6 +36,5 @@ MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = gesbc9312_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
@@ -80,7 +80,6 @@ MACHINE_START(MICRO9, "Contec Micro9-High")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = micro9_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -93,7 +92,6 @@ MACHINE_START(MICRO9M, "Contec Micro9-Mid")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = micro9_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -106,7 +104,6 @@ MACHINE_START(MICRO9L, "Contec Micro9-Lite")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = micro9_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -119,7 +116,6 @@ MACHINE_START(MICRO9S, "Contec Micro9-Slim")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = micro9_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
#endif
@@ -38,12 +38,5 @@ struct device *ep93xx_init_devices(void);
extern void ep93xx_timer_init(void);
void ep93xx_restart(enum reboot_mode, const char *);
-void ep93xx_init_late(void);
-
-#ifdef CONFIG_CRUNCH
-int crunch_init(void);
-#else
-static inline int crunch_init(void) { return 0; }
-#endif
#endif
@@ -123,6 +123,5 @@ MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = simone_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
@@ -157,6 +157,5 @@ MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = snappercl15_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
@@ -354,7 +354,6 @@ MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = ts72xx_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
@@ -418,6 +417,5 @@ MACHINE_START(BK3, "Liebherr controller BK3.1")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = bk3_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
@@ -306,6 +306,5 @@ MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307")
.init_irq = ep93xx_init_irq,
.init_time = ep93xx_timer_init,
.init_machine = vision_init_machine,
- .init_late = ep93xx_init_late,
.restart = ep93xx_restart,
MACHINE_END
@@ -18,7 +18,7 @@
#define COMPAT_HWCAP_EDSP (1 << 7)
#define COMPAT_HWCAP_JAVA (1 << 8)
#define COMPAT_HWCAP_IWMMXT (1 << 9)
-#define COMPAT_HWCAP_CRUNCH (1 << 10)
+#define COMPAT_HWCAP_CRUNCH (1 << 10) /* Obsolete */
#define COMPAT_HWCAP_THUMBEE (1 << 11)
#define COMPAT_HWCAP_NEON (1 << 12)
#define COMPAT_HWCAP_VFPv3 (1 << 13)