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Diffstat (limited to 'arch/arm/mach-tegra/sleep.h')
-rw-r--r--arch/arm/mach-tegra/sleep.h39
1 files changed, 38 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/sleep.h b/arch/arm/mach-tegra/sleep.h
index e25a7cd703d9..9821ee725420 100644
--- a/arch/arm/mach-tegra/sleep.h
+++ b/arch/arm/mach-tegra/sleep.h
@@ -17,7 +17,7 @@
#ifndef __MACH_TEGRA_SLEEP_H
#define __MACH_TEGRA_SLEEP_H
-#include <mach/iomap.h>
+#include "iomap.h"
#define TEGRA_ARM_PERIF_VIRT (TEGRA_ARM_PERIF_BASE - IO_CPU_PHYS \
+ IO_CPU_VIRT)
@@ -71,7 +71,41 @@
str \tmp2, [\tmp1] @ invalidate SCU tags for CPU
dsb
.endm
+
+/* Macro to resume & re-enable L2 cache */
+#ifndef L2X0_CTRL_EN
+#define L2X0_CTRL_EN 1
+#endif
+
+#ifdef CONFIG_CACHE_L2X0
+.macro l2_cache_resume, tmp1, tmp2, tmp3, phys_l2x0_saved_regs
+ adr \tmp1, \phys_l2x0_saved_regs
+ ldr \tmp1, [\tmp1]
+ ldr \tmp2, [\tmp1, #L2X0_R_PHY_BASE]
+ ldr \tmp3, [\tmp2, #L2X0_CTRL]
+ tst \tmp3, #L2X0_CTRL_EN
+ bne exit_l2_resume
+ ldr \tmp3, [\tmp1, #L2X0_R_TAG_LATENCY]
+ str \tmp3, [\tmp2, #L2X0_TAG_LATENCY_CTRL]
+ ldr \tmp3, [\tmp1, #L2X0_R_DATA_LATENCY]
+ str \tmp3, [\tmp2, #L2X0_DATA_LATENCY_CTRL]
+ ldr \tmp3, [\tmp1, #L2X0_R_PREFETCH_CTRL]
+ str \tmp3, [\tmp2, #L2X0_PREFETCH_CTRL]
+ ldr \tmp3, [\tmp1, #L2X0_R_PWR_CTRL]
+ str \tmp3, [\tmp2, #L2X0_POWER_CTRL]
+ ldr \tmp3, [\tmp1, #L2X0_R_AUX_CTRL]
+ str \tmp3, [\tmp2, #L2X0_AUX_CTRL]
+ mov \tmp3, #L2X0_CTRL_EN
+ str \tmp3, [\tmp2, #L2X0_CTRL]
+exit_l2_resume:
+.endm
+#else /* CONFIG_CACHE_L2X0 */
+.macro l2_cache_resume, tmp1, tmp2, tmp3, phys_l2x0_saved_regs
+.endm
+#endif /* CONFIG_CACHE_L2X0 */
#else
+void tegra_resume(void);
+int tegra_sleep_cpu_finish(unsigned long);
#ifdef CONFIG_HOTPLUG_CPU
void tegra20_hotplug_init(void);
@@ -81,5 +115,8 @@ static inline void tegra20_hotplug_init(void) {}
static inline void tegra30_hotplug_init(void) {}
#endif
+int tegra30_sleep_cpu_secondary_finish(unsigned long);
+void tegra30_tear_down_cpu(void);
+
#endif
#endif