Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits)
  sh: add spi header and r2d platform data V3
  sh: update r7780rp interrupt code
  sh: remove consistent alloc stuff from the machine vector
  sh: use declared coherent memory for dreamcast pci ethernet adapter
  sh: declared coherent memory support V2
  sh: Add support for SDK7780 board.
  sh: constify function pointer tables
  sh: Kill off -traditional for linker script.
  cdrom: Add support for Sega Dreamcast GD-ROM.
  sh: Kill off hs7751rvoip reference from arch/sh/Kconfig.
  sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default.
  sh: Kill off dead HS771RVoIP board support.
  sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch.
  sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors.
  sh: r2d - enable sm501 usb host function
  sh: remove voyagergx
  sh: r2d - add lcd planel timings to sm501 platform data
  sh: Add OHCI and UDC platform devices for SH7720.
  sh: intc - remove default interrupt priority tables
  sh: Correct pte size mismatch for X2 TLB.
  ...

1 files changed, 89 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
new file mode 100644
index 0000000..3feb95a4
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
@@ -0,0 +1,89 @@
+/*
+ * arch/sh/kernel/cpu/sh2a/clock-sh7203.c
+ *
+ * SH7203 support for the clock framework
+ *
+ *  Copyright (C) 2007 Kieran Bingham (MPC-Data Ltd)
+ *
+ * Based on clock-sh7263.c
+ *  Copyright (C) 2006  Yoshinori Sato
+ *
+ * Based on clock-sh4.c
+ *  Copyright (C) 2005  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+
+const static int pll1rate[]={8,12,16,0};
+const static int pfc_divisors[]={1,2,3,4,6,8,12};
+#define ifc_divisors pfc_divisors
+
+#if (CONFIG_SH_CLK_MD == 0)
+#define PLL2 (1)
+#elif (CONFIG_SH_CLK_MD == 1)
+#define PLL2 (2)
+#elif (CONFIG_SH_CLK_MD == 2)
+#define PLL2 (4)
+#elif (CONFIG_SH_CLK_MD == 3)
+#define PLL2 (4)
+#else
+#error "Illegal Clock Mode!"
+#endif
+
+static void master_clk_init(struct clk *clk)
+{
+	clk->rate *= pll1rate[(ctrl_inw(FREQCR) >> 8) & 0x0003] * PLL2 ;
+}
+
+static struct clk_ops sh7203_master_clk_ops = {
+	.init		= master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+	int idx = (ctrl_inw(FREQCR) & 0x0007);
+	clk->rate = clk->parent->rate / pfc_divisors[idx];
+}
+
+static struct clk_ops sh7203_module_clk_ops = {
+	.recalc		= module_clk_recalc,
+};
+
+static void bus_clk_recalc(struct clk *clk)
+{
+	int idx = (ctrl_inw(FREQCR) & 0x0007);
+	clk->rate = clk->parent->rate / pfc_divisors[idx-2];
+}
+
+static struct clk_ops sh7203_bus_clk_ops = {
+	.recalc		= bus_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+	clk->rate = clk->parent->rate;
+}
+
+static struct clk_ops sh7203_cpu_clk_ops = {
+	.recalc		= cpu_clk_recalc,
+};
+
+static struct clk_ops *sh7203_clk_ops[] = {
+	&sh7203_master_clk_ops,
+	&sh7203_module_clk_ops,
+	&sh7203_bus_clk_ops,
+	&sh7203_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+	if (idx < ARRAY_SIZE(sh7203_clk_ops))
+		*ops = sh7203_clk_ops[idx];
+}