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authorMike Frysinger <vapier@gentoo.org>2010-10-28 00:32:24 +0400
committerMike Frysinger <vapier@gentoo.org>2011-01-10 15:18:16 +0300
commitec5109e7ca086359c46fe5351121d0e125a2879b (patch)
tree59408b2f26ed2532fb7edbebfa8200343529677f /arch/blackfin
parent10cdc1a78a02bb1d76b28b146083cb060399d86f (diff)
downloadlinux-ec5109e7ca086359c46fe5351121d0e125a2879b.tar.xz
Blackfin: bf561: SMP: add multicore pll handlers
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/mach-bf561/include/mach/pll.h53
1 files changed, 53 insertions, 0 deletions
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