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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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82
arch/arm/mach-shmobile/pm-r8a7790.c Normal file
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/*
* r8a7790 Power management support
*
* Copyright (C) 2013 Renesas Electronics Corporation
* Copyright (C) 2011 Renesas Solutions Corp.
* Copyright (C) 2011 Magnus Damm
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/kernel.h>
#include <linux/smp.h>
#include <asm/io.h>
#include "common.h"
#include "pm-rcar.h"
#include "r8a7790.h"
/* RST */
#define RST 0xe6160000
#define CA15BAR 0x0020
#define CA7BAR 0x0030
#define CA15RESCNT 0x0040
#define CA7RESCNT 0x0044
/* On-chip RAM */
#define MERAM 0xe8080000
/* SYSC */
#define SYSCIER 0x0c
#define SYSCIMR 0x10
#if defined(CONFIG_SMP)
static void __init r8a7790_sysc_init(void)
{
void __iomem *base = rcar_sysc_init(0xe6180000);
/* enable all interrupt sources, but do not use interrupt handler */
iowrite32(0x0131000e, base + SYSCIER);
iowrite32(0, base + SYSCIMR);
}
#else /* CONFIG_SMP */
static inline void r8a7790_sysc_init(void) {}
#endif /* CONFIG_SMP */
void __init r8a7790_pm_init(void)
{
void __iomem *p;
u32 bar;
static int once;
if (once++)
return;
/* MERAM for jump stub, because BAR requires 256KB aligned address */
p = ioremap_nocache(MERAM, shmobile_boot_size);
memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size);
iounmap(p);
/* setup reset vectors */
p = ioremap_nocache(RST, 0x63);
bar = (MERAM >> 8) & 0xfffffc00;
writel_relaxed(bar, p + CA15BAR);
writel_relaxed(bar, p + CA7BAR);
writel_relaxed(bar | 0x10, p + CA15BAR);
writel_relaxed(bar | 0x10, p + CA7BAR);
/* de-assert reset for all CPUs */
writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000,
p + CA15RESCNT);
writel_relaxed((readl_relaxed(p + CA7RESCNT) & ~0x0f) | 0x5a5a0000,
p + CA7RESCNT);
iounmap(p);
r8a7790_sysc_init();
shmobile_smp_apmu_suspend_init();
}