ARM: mach-shmobile: SH-Mobile G3 support.

This adds preliminary support for the SH-Mobile G-series.

The SH-Mobile G-series is a series of ARM/SH multi-core CPUs that aside
from the ARM MPU are primarily composed of existing SH IP blocks.

This includes initial support for the SH7367 (SH-Mobile G3) CPU and
the G3EVM reference board.

Only timer, serial console, and NOR flash are supported at this point.
Patches for the interrupt controller, pinmux support, clock framework
and runtime pm will be submitted as feature patches on top of this.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

13 files changed, 139 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/include/mach/clkdev.h b/arch/arm/mach-shmobile/include/mach/clkdev.h
new file mode 100644
index 0000000..36d0163
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/clkdev.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_CLKDEV_H
+#define __ASM_MACH_CLKDEV_H
+
+int __clk_get(struct clk *clk);
+void __clk_put(struct clk *clk);
+
+#endif /* __ASM_MACH_CLKDEV_H */
diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h
new file mode 100644
index 0000000..d771afa
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/common.h
@@ -0,0 +1,11 @@
+#ifndef __ARCH_MACH_COMMON_H
+#define __ARCH_MACH_COMMON_H
+
+extern struct sys_timer shmobile_timer;
+
+extern void sh7367_init_irq(void);
+extern void sh7367_add_early_devices(void);
+extern void sh7367_add_standard_devices(void);
+extern void sh7367_clock_init(void);
+
+#endif /* __ARCH_MACH_COMMON_H */
diff --git a/arch/arm/mach-shmobile/include/mach/dma.h b/arch/arm/mach-shmobile/include/mach/dma.h
new file mode 100644
index 0000000..40a8c17
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/dma.h
@@ -0,0 +1 @@
+/* empty */
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro.S b/arch/arm/mach-shmobile/include/mach/entry-macro.S
new file mode 100644
index 0000000..796b304
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+
+	.macro  disable_fiq
+	.endm
+
+	.macro  get_irqnr_preamble, base, tmp
+	.endm
+
+	.macro  arch_ret_to_user, tmp1, tmp2
+	.endm
+
+	.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+	ldr     \base, =INTFLGA
+	ldr     \irqnr, [\base]
+	cmp	\irqnr, #0
+	beq	1000f
+	/* intevt to irq number */
+	lsr	\irqnr, \irqnr, #0x5
+	subs	\irqnr, \irqnr, #16
+
+1000:
+	.endm
diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h
new file mode 100644
index 0000000..40a8c17
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/gpio.h
@@ -0,0 +1 @@
+/* empty */
diff --git a/arch/arm/mach-shmobile/include/mach/hardware.h b/arch/arm/mach-shmobile/include/mach/hardware.h
new file mode 100644
index 0000000..3f0ef19
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/hardware.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_HARDWARE_H
+#define __ASM_MACH_HARDWARE_H
+
+/* INTFLGA register - used by low level interrupt code in entry-macro.S */
+#define INTFLGA			0xe6980018
+
+#endif /* __ASM_MACH_HARDWARE_H */
diff --git a/arch/arm/mach-shmobile/include/mach/io.h b/arch/arm/mach-shmobile/include/mach/io.h
new file mode 100644
index 0000000..7339fe4
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/io.h
@@ -0,0 +1,9 @@
+#ifndef __ASM_MACH_IO_H
+#define __ASM_MACH_IO_H
+
+#define IO_SPACE_LIMIT		0xffffffff
+
+#define __io(a)			((void __iomem *)(a))
+#define __mem_pci(a)		(a)
+
+#endif /* __ASM_MACH_IO_H */
diff --git a/arch/arm/mach-shmobile/include/mach/irqs.h b/arch/arm/mach-shmobile/include/mach/irqs.h
new file mode 100644
index 0000000..5179b72
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/irqs.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_MACH_IRQS_H
+#define __ASM_MACH_IRQS_H
+
+#define NR_IRQS         512
+#define NR_IRQS_LEGACY  8
+
+#define evt2irq(evt)		(((evt) >> 5) - 16)
+#define irq2evt(irq)		(((irq) + 16) << 5)
+
+#endif /* __ASM_MACH_IRQS_H */
diff --git a/arch/arm/mach-shmobile/include/mach/memory.h b/arch/arm/mach-shmobile/include/mach/memory.h
new file mode 100644
index 0000000..e188183
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/memory.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_MEMORY_H
+#define __ASM_MACH_MEMORY_H
+
+#define PHYS_OFFSET	UL(CONFIG_MEMORY_START)
+#define MEM_SIZE	UL(CONFIG_MEMORY_SIZE)
+
+#endif /* __ASM_MACH_MEMORY_H */
diff --git a/arch/arm/mach-shmobile/include/mach/system.h b/arch/arm/mach-shmobile/include/mach/system.h
new file mode 100644
index 0000000..76a687e
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/system.h
@@ -0,0 +1,14 @@
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+static inline void arch_idle(void)
+{
+	cpu_do_idle();
+}
+
+static inline void arch_reset(char mode, const char *cmd)
+{
+	cpu_reset(0);
+}
+
+#endif
diff --git a/arch/arm/mach-shmobile/include/mach/timex.h b/arch/arm/mach-shmobile/include/mach/timex.h
new file mode 100644
index 0000000..ae0d8d8
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/timex.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_MACH_TIMEX_H
+#define __ASM_MACH_TIMEX_H
+
+#define CLOCK_TICK_RATE		1193180 /* unused i8253 PIT value */
+
+#endif /* __ASM_MACH_TIMEX_H */
diff --git a/arch/arm/mach-shmobile/include/mach/uncompress.h b/arch/arm/mach-shmobile/include/mach/uncompress.h
new file mode 100644
index 0000000..0bd7556
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/uncompress.h
@@ -0,0 +1,21 @@
+#ifndef __ASM_MACH_UNCOMPRESS_H
+#define __ASM_MACH_UNCOMPRESS_H
+
+/*
+ * This does not append a newline
+ */
+static void putc(int c)
+{
+}
+
+static inline void flush(void)
+{
+}
+
+static void arch_decomp_setup(void)
+{
+}
+
+#define arch_decomp_wdog()
+
+#endif /* __ASM_MACH_UNCOMPRESS_H */
diff --git a/arch/arm/mach-shmobile/include/mach/vmalloc.h b/arch/arm/mach-shmobile/include/mach/vmalloc.h
new file mode 100644
index 0000000..fb3c4f1
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/vmalloc.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_MACH_VMALLOC_H
+#define __ASM_MACH_VMALLOC_H
+
+#define VMALLOC_END       (PAGE_OFFSET + 0x24000000)
+
+#endif /* __ASM_MACH_VMALLOC_H */