From ec5109e7ca086359c46fe5351121d0e125a2879b Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 27 Oct 2010 16:32:24 -0400
Subject: Blackfin: bf561: SMP: add multicore pll handlers

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/mach-bf561/include/mach/pll.h | 53 +++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

(limited to 'arch/blackfin/mach-bf561')

diff --git a/arch/blackfin/mach-bf561/include/mach/pll.h b/arch/blackfin/mach-bf561/include/mach/pll.h
index 94cca674d835..7977db2f1c12 100644
--- a/arch/blackfin/mach-bf561/include/mach/pll.h
+++ b/arch/blackfin/mach-bf561/include/mach/pll.h
@@ -1 +1,54 @@
+/*
+ * Copyright 2005-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _MACH_PLL_H
+#define _MACH_PLL_H
+
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_SMP
+
+#include <asm/blackfin.h>
+#include <asm/irqflags.h>
+#include <mach/irq.h>
+
+#define SUPPLE_0_WAKEUP ((IRQ_SUPPLE_0 - (IRQ_CORETMR + 1)) % 32)
+
+static inline void
+bfin_iwr_restore(unsigned long iwr0, unsigned long iwr1, unsigned long iwr2)
+{
+	unsigned long SICA_SICB_OFF = ((bfin_read_DSPID() & 0xff) ? 0x1000 : 0);
+
+	bfin_write32(SIC_IWR0 + SICA_SICB_OFF, iwr0);
+	bfin_write32(SIC_IWR1 + SICA_SICB_OFF, iwr1);
+}
+#define bfin_iwr_restore bfin_iwr_restore
+
+static inline void
+bfin_iwr_save(unsigned long niwr0, unsigned long niwr1, unsigned long niwr2,
+              unsigned long *iwr0, unsigned long *iwr1, unsigned long *iwr2)
+{
+	unsigned long SICA_SICB_OFF = ((bfin_read_DSPID() & 0xff) ? 0x1000 : 0);
+
+	*iwr0 = bfin_read32(SIC_IWR0 + SICA_SICB_OFF);
+	*iwr1 = bfin_read32(SIC_IWR1 + SICA_SICB_OFF);
+	bfin_iwr_restore(niwr0, niwr1, niwr2);
+}
+#define bfin_iwr_save bfin_iwr_save
+
+static inline void
+bfin_iwr_set_sup0(unsigned long *iwr0, unsigned long *iwr1, unsigned long *iwr2)
+{
+	bfin_iwr_save(0, IWR_ENABLE(SUPPLE_0_WAKEUP), 0, iwr0, iwr1, iwr2);
+}
+
+#endif
+
+#endif
+
 #include <mach-common/pll.h>
+
+#endif
-- 
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