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Release 4.11 arch/arm/mach-tegra/sleep.h

/*
 * Copyright (c) 2010-2013, NVIDIA Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __MACH_TEGRA_SLEEP_H

#define __MACH_TEGRA_SLEEP_H

#include "iomap.h"
#include "irammap.h"


#define TEGRA_ARM_PERIF_VIRT (TEGRA_ARM_PERIF_BASE - IO_CPU_PHYS \
                                        + IO_CPU_VIRT)

#define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \
                                        + IO_PPSB_VIRT)

#define TEGRA_CLK_RESET_VIRT (TEGRA_CLK_RESET_BASE - IO_PPSB_PHYS \
                                        + IO_PPSB_VIRT)

#define TEGRA_APB_MISC_VIRT (TEGRA_APB_MISC_BASE - IO_APB_PHYS \
                                        + IO_APB_VIRT)

#define TEGRA_PMC_VIRT	(TEGRA_PMC_BASE - IO_APB_PHYS + IO_APB_VIRT)


#define TEGRA_IRAM_RESET_BASE_VIRT (IO_IRAM_VIRT + \
                                TEGRA_IRAM_RESET_HANDLER_OFFSET)

/* PMC_SCRATCH37-39 and 41 are used for tegra_pen_lock and idle */

#define PMC_SCRATCH37	0x130

#define PMC_SCRATCH38	0x134

#define PMC_SCRATCH39	0x138

#define PMC_SCRATCH41	0x140

#ifdef CONFIG_ARCH_TEGRA_2x_SOC

#define CPU_RESETTABLE		2

#define CPU_RESETTABLE_SOON	1

#define CPU_NOT_RESETTABLE	0
#endif

/* flag of tegra_disable_clean_inv_dcache to do LoUIS or all */

#define TEGRA_FLUSH_CACHE_LOUIS	0

#define TEGRA_FLUSH_CACHE_ALL	1

#ifdef __ASSEMBLY__
/* waits until the microsecond counter (base) is > rn */


.macro wait_until, rn, base, tmp
	

add	\rn, \rn, #1

1001:	ldr	\tmp, [\base]
	
cmp	\tmp, \rn
	bmi	1001b
.endm

/* returns the offset of the flow controller halt register for a cpu */
.macro cpu_to_halt_reg rd, rcpu
	
cmp	\rcpu, #0
	

subne	\rd, \rcpu, #1
	

movne	\rd, \rd, lsl #3
	

addne	\rd, \rd, #0x14
	
moveq	\rd, #0
.endm

/* returns the offset of the flow controller csr register for a cpu */
.macro cpu_to_csr_reg rd, rcpu
	
cmp	\rcpu, #0
	

subne	\rd, \rcpu, #1
	

movne	\rd, \rd, lsl #3
	

addne	\rd, \rd, #0x18
	
moveq	\rd, #8
.endm

/* returns the ID of the current processor */
.macro cpu_id, rd
	



mrc	p15, 0, \rd, c0, c0, 5
	

and	\rd, \rd, #0xF
.endm

/* loads a 32-bit value into a register without a data access */

.macro mov32, reg, val
	
movw	\reg, #:lower16:\val
	
movt	\reg, #:upper16:\val
.endm

/* Marco to check CPU part num */

.macro check_cpu_part_num part_num, tmp1, tmp2
	



mrc	p15, 0, \tmp1, c0, c0, 0
	

ubfx	\tmp1, \tmp1, #4, #12
	
mov32	\tmp2, \part_num
	
cmp	\tmp1, \tmp2
.endm

/* Macro to exit SMP coherency. */

.macro exit_smp, tmp1, tmp2
	



mrc	p15, 0, \tmp1, c1, c0, 1	@ ACTLR
	

bic	\tmp1, \tmp1, #(1<<6) | (1<<0)	@ clear ACTLR.SMP | ACTLR.FW
	


mcr	p15, 0, \tmp1, c1, c0, 1	@ ACTLR
	isb
#ifdef CONFIG_HAVE_ARM_SCU
	

check_cpu_part_num 0xc09, \tmp1, \tmp2
	



mrceq	p15, 0, \tmp1, c0, c0, 5
	

andeq	\tmp1, \tmp1, #0xF
	

moveq	\tmp1, \tmp1, lsl #2
	
moveq	\tmp2, #0xf
	

moveq	\tmp2, \tmp2, lsl \tmp1
	
ldreq	\tmp1, =(TEGRA_ARM_PERIF_VIRT + 0xC)
	streq	\tmp2, [\tmp1]			@ invalidate SCU tags for CPU
        dsb
#endif
.endm

/* Macro to check Tegra revision */

#define APB_MISC_GP_HIDREV	0x804
.macro tegra_get_soc_id base, tmp1
	
mov32	\tmp1, \base
	
ldr	\tmp1, [\tmp1, #APB_MISC_GP_HIDREV]
	

and	\tmp1, \tmp1, #0xff00
	

mov	\tmp1, \tmp1, lsr #8
.endm

#else
void tegra_pen_lock(void);
void tegra_pen_unlock(void);
void tegra_resume(void);
int tegra_sleep_cpu_finish(unsigned long);
void tegra_disable_clean_inv_dcache(u32 flag);

#ifdef CONFIG_HOTPLUG_CPU
void tegra20_hotplug_shutdown(void);
void tegra30_hotplug_shutdown(void);
#endif

void tegra20_cpu_shutdown(int cpu);
int tegra20_cpu_is_resettable_soon(void);
void tegra20_cpu_clear_resettable(void);
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
void tegra20_cpu_set_resettable_soon(void);
#else

static inline void tegra20_cpu_set_resettable_soon(void) {}

Contributors

PersonTokensPropCommitsCommitProp
Joseph Lo8100.00%1100.00%
Total8100.00%1100.00%

#endif int tegra20_sleep_cpu_secondary_finish(unsigned long); void tegra20_tear_down_cpu(void); int tegra30_sleep_cpu_secondary_finish(unsigned long); void tegra30_tear_down_cpu(void); #endif #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Joseph Lo63698.30%1583.33%
Dmitry Osipenko71.08%15.56%
Hiroshi Doyu30.46%15.56%
Stephen Warren10.15%15.56%
Total647100.00%18100.00%
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