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MIPS: Alchemy: dbdma suspend/resume support.

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Implement suspend/resume for DBDMA controller and its channels.

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss
2008-12-21 09:26:26 +01:00
committed by Ralf Baechle
parent 564365b0fc
commit ac15dad061
3 changed files with 81 additions and 0 deletions
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11
arch/mips/alchemy/common/power.c
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@@ -36,6 +36,9 @@
#include <asm/uaccess.h>
#include <asm/mach-au1x00/au1000.h>
#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#endif
#ifdef CONFIG_PM
@@ -156,6 +159,10 @@ static void save_core_regs(void)
sleep_static_memctlr[3][0] = au_readl(MEM_STCFG3);
sleep_static_memctlr[3][1] = au_readl(MEM_STTIME3);
sleep_static_memctlr[3][2] = au_readl(MEM_STADDR3);
#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
au1xxx_dbdma_suspend();
#endif
}
static void restore_core_regs(void)
@@ -221,6 +228,10 @@ static void restore_core_regs(void)
}
restore_au1xxx_intctl();
#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
au1xxx_dbdma_resume();
#endif
}
unsigned long suspend_mode;