summaryrefslogtreecommitdiffstats
path: root/kernel/arch/sh/boards/mach-se/7721
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/sh/boards/mach-se/7721')
-rw-r--r--kernel/arch/sh/boards/mach-se/7721/Makefile1
-rw-r--r--kernel/arch/sh/boards/mach-se/7721/irq.c45
-rw-r--r--kernel/arch/sh/boards/mach-se/7721/setup.c96
3 files changed, 142 insertions, 0 deletions
diff --git a/kernel/arch/sh/boards/mach-se/7721/Makefile b/kernel/arch/sh/boards/mach-se/7721/Makefile
new file mode 100644
index 000000000..7f0903098
--- /dev/null
+++ b/kernel/arch/sh/boards/mach-se/7721/Makefile
@@ -0,0 +1 @@
+obj-y := setup.o irq.o
diff --git a/kernel/arch/sh/boards/mach-se/7721/irq.c b/kernel/arch/sh/boards/mach-se/7721/irq.c
new file mode 100644
index 000000000..d85022ea3
--- /dev/null
+++ b/kernel/arch/sh/boards/mach-se/7721/irq.c
@@ -0,0 +1,45 @@
+/*
+ * linux/arch/sh/boards/se/7721/irq.c
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * 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/irq.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <mach-se/mach/se7721.h>
+
+enum {
+ UNUSED = 0,
+
+ /* board specific interrupt sources */
+ MRSHPC,
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_IRQ(MRSHPC, MRSHPC_IRQ0),
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+ { FPGA_ILSR6, 0, 8, 4, /* IRLMSK */
+ { 0, MRSHPC } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors,
+ NULL, NULL, prio_registers, NULL);
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_se7721_IRQ(void)
+{
+ /* PPCR */
+ __raw_writew(__raw_readw(0xa4050118) & ~0x00ff, 0xa4050118);
+
+ register_intc_controller(&intc_desc);
+ intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0);
+}
diff --git a/kernel/arch/sh/boards/mach-se/7721/setup.c b/kernel/arch/sh/boards/mach-se/7721/setup.c
new file mode 100644
index 000000000..a0b3dba34
--- /dev/null
+++ b/kernel/arch/sh/boards/mach-se/7721/setup.c
@@ -0,0 +1,96 @@
+/*
+ * linux/arch/sh/boards/se/7721/setup.c
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * Hitachi UL SolutionEngine 7721 Support.
+ *
+ * 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/platform_device.h>
+#include <mach-se/mach/se7721.h>
+#include <mach-se/mach/mrshpc.h>
+#include <asm/machvec.h>
+#include <asm/io.h>
+#include <asm/heartbeat.h>
+
+static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 };
+
+static struct heartbeat_data heartbeat_data = {
+ .bit_pos = heartbeat_bit_pos,
+ .nr_bits = ARRAY_SIZE(heartbeat_bit_pos),
+};
+
+static struct resource heartbeat_resource = {
+ .start = PA_LED,
+ .end = PA_LED,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
+};
+
+static struct platform_device heartbeat_device = {
+ .name = "heartbeat",
+ .id = -1,
+ .dev = {
+ .platform_data = &heartbeat_data,
+ },
+ .num_resources = 1,
+ .resource = &heartbeat_resource,
+};
+
+static struct resource cf_ide_resources[] = {
+ [0] = {
+ .start = PA_MRSHPC_IO + 0x1f0,
+ .end = PA_MRSHPC_IO + 0x1f0 + 8 ,
+ .flags = IORESOURCE_IO,
+ },
+ [1] = {
+ .start = PA_MRSHPC_IO + 0x1f0 + 0x206,
+ .end = PA_MRSHPC_IO + 0x1f0 + 8 + 0x206 + 8,
+ .flags = IORESOURCE_IO,
+ },
+ [2] = {
+ .start = MRSHPC_IRQ0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device cf_ide_device = {
+ .name = "pata_platform",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(cf_ide_resources),
+ .resource = cf_ide_resources,
+};
+
+static struct platform_device *se7721_devices[] __initdata = {
+ &cf_ide_device,
+ &heartbeat_device
+};
+
+static int __init se7721_devices_setup(void)
+{
+ mrshpc_setup_windows();
+ return platform_add_devices(se7721_devices, ARRAY_SIZE(se7721_devices));
+}
+device_initcall(se7721_devices_setup);
+
+static void __init se7721_setup(char **cmdline_p)
+{
+ /* for USB */
+ __raw_writew(0x0000, 0xA405010C); /* PGCR */
+ __raw_writew(0x0000, 0xA405010E); /* PHCR */
+ __raw_writew(0x00AA, 0xA4050118); /* PPCR */
+ __raw_writew(0x0000, 0xA4050124); /* PSELA */
+}
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_se7721 __initmv = {
+ .mv_name = "Solution Engine 7721",
+ .mv_setup = se7721_setup,
+ .mv_init_irq = init_se7721_IRQ,
+};