forked from luck/tmp_suning_uos_patched
9ec88b60cb
- Add DMA device - Add NAND device - Add GPIO device - Add LED device - Update the defconfig and rename it to loongson1b_defconfig - Fix ioremap size - Other minor fixes Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Vinod Koul <vinod.koul@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Cc: Richard Weinberger <richard@nod.at> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Brian Norris <computersforpeace@gmail.com> Cc: linux-mips@linux-mips.org Cc: linux-clk@vger.kernel.org Cc: linux-pm@vger.kernel.org Cc: dmaengine@vger.kernel.org Cc: linux-gpio@vger.kernel.org Cc: linux-mtd@lists.infradead.org Patchwork: https://patchwork.linux-mips.org/patch/13033/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
/*
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* Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/io.h>
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#include <linux/pm.h>
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#include <linux/sizes.h>
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#include <asm/idle.h>
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#include <asm/reboot.h>
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#include <loongson1.h>
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static void __iomem *wdt_reg_base;
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static void ls1x_halt(void)
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{
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while (1) {
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if (cpu_wait)
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cpu_wait();
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}
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}
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static void ls1x_restart(char *command)
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{
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__raw_writel(0x1, wdt_reg_base + WDT_EN);
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__raw_writel(0x1, wdt_reg_base + WDT_TIMER);
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__raw_writel(0x1, wdt_reg_base + WDT_SET);
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ls1x_halt();
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}
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static void ls1x_power_off(void)
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{
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ls1x_halt();
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}
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static int __init ls1x_reboot_setup(void)
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{
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wdt_reg_base = ioremap_nocache(LS1X_WDT_BASE, (SZ_4 + SZ_8));
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if (!wdt_reg_base)
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panic("Failed to remap watchdog registers");
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_machine_restart = ls1x_restart;
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_machine_halt = ls1x_halt;
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pm_power_off = ls1x_power_off;
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return 0;
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}
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arch_initcall(ls1x_reboot_setup);
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