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-rw-r--r--arch/arm/plat-omap/include/mach/system.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/system.h b/arch/arm/plat-omap/include/mach/system.h
new file mode 100644
index 000000000000..06a28c7b98de
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/system.h
@@ -0,0 +1,49 @@
+/*
+ * Copied from arch/arm/mach-sa1100/include/mach/system.h
+ * Copyright (c) 1999 Nicolas Pitre <nico@cam.org>
+ */
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+#include <linux/clk.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#ifndef CONFIG_MACH_VOICEBLUE
+#define voiceblue_reset() do {} while (0)
+#endif
+
+extern void omap_prcm_arch_reset(char mode);
+
+static inline void arch_idle(void)
+{
+ cpu_do_idle();
+}
+
+static inline void omap1_arch_reset(char mode)
+{
+ /*
+ * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
+ * "Global Software Reset Affects Traffic Controller Frequency".
+ */
+ if (cpu_is_omap5912()) {
+ omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4),
+ DPLL_CTL);
+ omap_writew(0x8, ARM_RSTCT1);
+ }
+
+ if (machine_is_voiceblue())
+ voiceblue_reset();
+ else
+ omap_writew(1, ARM_RSTCT1);
+}
+
+static inline void arch_reset(char mode)
+{
+ if (!cpu_is_omap24xx())
+ omap1_arch_reset(mode);
+ else
+ omap_prcm_arch_reset(mode);
+}
+
+#endif
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