MIPS: Alchemy: dbdma suspend/resume support.
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>
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index f08312b..f58e151 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -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 @@
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 @@
}
restore_au1xxx_intctl();
+
+#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
+ au1xxx_dbdma_resume();
+#endif
}
unsigned long suspend_mode;