sh: Add support for SDK7780 board.

Add support for Renesas Technology Europe SDK7780 board.

Signed-off-by: Nicholas Beck <nbeck@mpc-data.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

4 files changed, 183 insertions, 0 deletions

diff --git a/arch/sh/boards/renesas/sdk7780/Kconfig b/arch/sh/boards/renesas/sdk7780/Kconfig
new file mode 100644
index 000000000000..e4f5b6985be1
--- /dev/null
+++ b/arch/sh/boards/renesas/sdk7780/Kconfig
@@ -0,0 +1,23 @@
+if SH_SDK7780
+
+choice
+        prompt "SDK7780 options"
+        default SH_SDK7780_BASE
+
+config SH_SDK7780_STANDALONE
+        bool "SDK7780 board support"
+        depends on CPU_SUBTYPE_SH7780
+        help
+          Selecting this option will enable support for the
+          standalone version of the SDK7780. If in doubt, say Y.
+
+config SH_SDK7780_BASE
+        bool "SDK7780 with base-board support"
+        depends on CPU_SUBTYPE_SH7780
+        help
+          Selecting this option will enable support for the expansion
+          baseboard devices. If in doubt, say Y.
+
+endchoice
+
+endif
diff --git a/arch/sh/boards/renesas/sdk7780/Makefile b/arch/sh/boards/renesas/sdk7780/Makefile
new file mode 100644
index 000000000000..3d8f0befc35d
--- /dev/null
+++ b/arch/sh/boards/renesas/sdk7780/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the SDK7780 specific parts of the kernel
+#
+obj-y    := setup.o irq.o
+
diff --git a/arch/sh/boards/renesas/sdk7780/irq.c b/arch/sh/boards/renesas/sdk7780/irq.c
new file mode 100644
index 000000000000..87cdc578f6ff
--- /dev/null
+++ b/arch/sh/boards/renesas/sdk7780/irq.c
@@ -0,0 +1,46 @@
+/*
+ * linux/arch/sh/boards/renesas/sdk7780/irq.c
+ *
+ * Renesas Technology Europe SDK7780 Support.
+ *
+ * Copyright (C) 2008  Nicholas Beck <nbeck@mpc-data.co.uk>
+ *
+ * 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/io.h>
+#include <asm/sdk7780.h>
+
+enum {
+        UNUSED = 0,
+        /* board specific interrupt sources */
+        SMC91C111,      /* Ethernet controller */
+};
+
+static struct intc_vect fpga_vectors[] __initdata = {
+        INTC_IRQ(SMC91C111, IRQ_ETHERNET),
+};
+
+static struct intc_mask_reg fpga_mask_registers[] __initdata = {
+        { 0, FPGA_IRQ0MR, 16,
+          { 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, SMC91C111, 0, 0, 0, 0 } },
+};
+
+static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors,
+                         NULL, fpga_mask_registers, NULL, NULL);
+
+void __init init_sdk7780_IRQ(void)
+{
+        printk(KERN_INFO "Using SDK7780 interrupt controller.\n");
+
+        ctrl_outw(0xFFFF, FPGA_IRQ0MR);
+        /* Setup IRL 0-3 */
+        ctrl_outw(0x0003, FPGA_IMSR);
+        plat_irq_setup_pins(IRQ_MODE_IRL3210);
+
+        register_intc_controller(&fpga_intc_desc);
+}
diff --git a/arch/sh/boards/renesas/sdk7780/setup.c b/arch/sh/boards/renesas/sdk7780/setup.c
new file mode 100644
index 000000000000..5df32f201870
--- /dev/null
+++ b/arch/sh/boards/renesas/sdk7780/setup.c
@@ -0,0 +1,109 @@
+/*
+ * arch/sh/boards/renesas/sdk7780/setup.c
+ *
+ * Renesas Solutions SH7780 SDK Support
+ * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk>
+ *
+ * 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/types.h>
+#include <linux/platform_device.h>
+#include <linux/pata_platform.h>
+#include <asm/machvec.h>
+#include <asm/sdk7780.h>
+#include <asm/heartbeat.h>
+#include <asm/io.h>
+#include <asm/addrspace.h>
+
+#define GPIO_PECR        0xFFEA0008
+
+//* Heartbeat */
+static struct heartbeat_data heartbeat_data = {
+        .regsize = 16,
+};
+
+static struct resource heartbeat_resources[] = {
+        [0] = {
+                .start  = PA_LED,
+                .end    = PA_LED,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device heartbeat_device = {
+        .name           = "heartbeat",
+        .id             = -1,
+        .dev = {
+                .platform_data = &heartbeat_data,
+        },
+        .num_resources  = ARRAY_SIZE(heartbeat_resources),
+        .resource       = heartbeat_resources,
+};
+
+/* SMC91x */
+static struct resource smc91x_eth_resources[] = {
+        [0] = {
+                .name   = "smc91x-regs" ,
+                .start  = PA_LAN + 0x300,
+                .end    = PA_LAN + 0x300 + 0x10 ,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_ETHERNET,
+                .end    = IRQ_ETHERNET,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device smc91x_eth_device = {
+        .name           = "smc91x",
+        .id             = 0,
+        .dev = {
+                .dma_mask               = NULL,         /* don't use dma */
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
+        .resource       = smc91x_eth_resources,
+};
+
+static struct platform_device *sdk7780_devices[] __initdata = {
+        &heartbeat_device,
+        &smc91x_eth_device,
+};
+
+static int __init sdk7780_devices_setup(void)
+{
+        return platform_add_devices(sdk7780_devices,
+                ARRAY_SIZE(sdk7780_devices));
+}
+device_initcall(sdk7780_devices_setup);
+
+static void __init sdk7780_setup(char **cmdline_p)
+{
+        u16 ver = ctrl_inw(FPGA_FPVERR);
+        u16 dateStamp = ctrl_inw(FPGA_FPDATER);
+
+        printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
+        printk(KERN_INFO "Board version: %d (revision %d), "
+                         "FPGA version: %d (revision %d), datestamp : %d\n",
+                         (ver >> 12) & 0xf, (ver >> 8) & 0xf,
+                         (ver >>  4) & 0xf, ver & 0xf,
+                         dateStamp);
+
+        /* Setup pin mux'ing for PCIC */
+        ctrl_outw(0x0000, GPIO_PECR);
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_se7780 __initmv = {
+        .mv_name        = "Renesas SDK7780-R3" ,
+        .mv_setup               = sdk7780_setup,
+        .mv_nr_irqs             = 111,
+        .mv_init_irq    = init_sdk7780_IRQ,
+};
+