e87d10b29f
* Suspend on non-SMP update for r8a7790 * Move r8a7791.h out of mach directory. This is part of a multi-stage effort to move headers out of that directory. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJTsf7FAAoJENfPZGlqN0++d2IP/jzdPy6gazqzLaGDvdwxpF/i hnJrcrfez5grzzfuYn/2MY3W1eeMc3I9JTs9lUhQOZzdvRRvA4Ghn7yvfZNFaCsO zML5jTdo1X4+h+LiIhEyUt23AZuhG7rk6cQ2RCTvGllLvqaJwvV3aIHl6MmfUkUm KeS4PqLwq8bFcgP0pxI5BHDfTEZ9A2OQNnDjJ9JD6hHlqKGBDYkj1SVDcVXJOezA Mjv5nWpmoIbYs9wgswY+fIlYPUO/ZJ3X4aycydqQGX0Uj1L/9vBU1caDZ88/jIRE NyiRKK5AOvmnxSHE4puq5g7eSAyJRLZ9BW88h6aB7YXkoEljgkiQ2tInp5sWVwHg lw1PumVhvbMQjsWh09Wvt80Pdfkahh8oe8keaTNVvmq/7ikAovcGd5jyvLnqb54r l1U4YWk+ihBwLviuu1tdM43hiDd5DAnfmH0Qw7VQWvAIFie7ACsrN7EFXO4iLDUm 1EAkmJsLrG70YzCc6DspOOUbBIs/Y4Znl0kmurkwSdgEJlFs9w8XOGuayxCUg5Cq 7PbgZw7PZWwzJ4DQXz88+yK4QzqhhMlFZrmBZjiwWO6V5XAaY0vxmqAlpz52aaAi jZOfYr6Wb4KIfAgX10mMvFTsyaorjToQ3okn1Y2/ORTEvxG02lfU6fOpX+bWzFhj ppD6lPvbHL/+HND6KzQ4 =mQ5+ -----END PGP SIGNATURE----- Merge tag 'renesas-soc2-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc Merge "Second Round of Renesas ARM Based SoC Updates for v3.17" from Simon Horman: * Suspend on non-SMP update for r8a7790 * Move r8a7791.h out of mach directory. This is part of a multi-stage effort to move headers out of that directory. * tag 'renesas-soc2-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: Allow r8a7791 to build non-SMP APMU code ARM: shmobile: Move r8a7791 reset code to pm-r8a7791.c ARM: shmobile: Allow r8a7790 to build non-SMP APMU code ARM: shmobile: Move r8a7790 reset code to pm-r8a7790.c ARM: shmobile: Use __init for APMU suspend init function ARM: shmobile: Adjust APMU code to build for non-SMP ARM: shmobile: Allow use of boot code for non-SMP case ARM: shmobile: Move r8a7791.h Signed-off-by: Olof Johansson <olof@lixom.net>
82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*
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* r8a7790 Power management support
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*
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* Copyright (C) 2013 Renesas Electronics Corporation
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* Copyright (C) 2011 Renesas Solutions Corp.
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* Copyright (C) 2011 Magnus Damm
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/smp.h>
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#include <asm/io.h>
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#include "common.h"
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#include "pm-rcar.h"
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#include "r8a7790.h"
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/* RST */
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#define RST 0xe6160000
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#define CA15BAR 0x0020
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#define CA7BAR 0x0030
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#define CA15RESCNT 0x0040
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#define CA7RESCNT 0x0044
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/* On-chip RAM */
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#define MERAM 0xe8080000
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/* SYSC */
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#define SYSCIER 0x0c
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#define SYSCIMR 0x10
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#if defined(CONFIG_SMP)
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static void __init r8a7790_sysc_init(void)
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{
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void __iomem *base = rcar_sysc_init(0xe6180000);
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/* enable all interrupt sources, but do not use interrupt handler */
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iowrite32(0x0131000e, base + SYSCIER);
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iowrite32(0, base + SYSCIMR);
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}
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#else /* CONFIG_SMP */
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static inline void r8a7790_sysc_init(void) {}
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#endif /* CONFIG_SMP */
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void __init r8a7790_pm_init(void)
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{
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void __iomem *p;
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u32 bar;
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static int once;
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if (once++)
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return;
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/* MERAM for jump stub, because BAR requires 256KB aligned address */
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p = ioremap_nocache(MERAM, shmobile_boot_size);
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memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size);
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iounmap(p);
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/* setup reset vectors */
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p = ioremap_nocache(RST, 0x63);
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bar = (MERAM >> 8) & 0xfffffc00;
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writel_relaxed(bar, p + CA15BAR);
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writel_relaxed(bar, p + CA7BAR);
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writel_relaxed(bar | 0x10, p + CA15BAR);
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writel_relaxed(bar | 0x10, p + CA7BAR);
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/* de-assert reset for all CPUs */
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writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000,
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p + CA15RESCNT);
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writel_relaxed((readl_relaxed(p + CA7RESCNT) & ~0x0f) | 0x5a5a0000,
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p + CA7RESCNT);
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iounmap(p);
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r8a7790_sysc_init();
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shmobile_smp_apmu_suspend_init();
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}
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