diff options
Diffstat (limited to 'arch/arm/mach-pxa/reset.c')
| -rw-r--r-- | arch/arm/mach-pxa/reset.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c index 0d5dd646f61f..27293549f8ad 100644 --- a/arch/arm/mach-pxa/reset.c +++ b/arch/arm/mach-pxa/reset.c @@ -1,8 +1,4 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> @@ -11,11 +7,10 @@ #include <asm/proc-fns.h> #include <asm/system_misc.h> -#include <mach/regs-ost.h> -#include <mach/reset.h> - -unsigned int reset_status; -EXPORT_SYMBOL(reset_status); +#include "regs-ost.h" +#include "reset.h" +#include "smemc.h" +#include "generic.h" static void do_hw_reset(void); @@ -81,6 +76,12 @@ static void do_hw_reset(void) writel_relaxed(OSSR_M3, OSSR); /* ... in 100 ms */ writel_relaxed(readl_relaxed(OSCR) + 368640, OSMR3); + /* + * SDRAM hangs on watchdog reset on Marvell PXA270 (erratum 71) + * we put SDRAM into self-refresh to prevent that + */ + while (1) + writel_relaxed(MDREFR_SLFRSH, MDREFR); } void pxa_restart(enum reboot_mode mode, const char *cmd) @@ -104,4 +105,3 @@ void pxa_restart(enum reboot_mode mode, const char *cmd) break; } } - |