M7350v1_en_gpl

kernel/arch/sh/boards/mach-se/7343/Makefile

@@ -0,0 +1,5 @@
+#
+# Makefile for the 7343 SolutionEngine specific parts of the kernel
+#
+
+obj-y	 := setup.o irq.o

kernel/arch/sh/boards/mach-se/7343/irq.c

@@ -0,0 +1,86 @@
+/*
+ * linux/arch/sh/boards/se/7343/irq.c
+ *
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * Based on linux/arch/sh/boards/se/7722/irq.c
+ * Copyright (C) 2007  Nobuhiro Iwamatsu
+ *
+ * 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/se7343.h>
+
+unsigned int se7343_fpga_irq[SE7343_FPGA_IRQ_NR] = { 0, };
+
+static void disable_se7343_irq(struct irq_data *data)
+{
+	unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
+	__raw_writew(__raw_readw(PA_CPLD_IMSK) | 1 << bit, PA_CPLD_IMSK);
+}
+
+static void enable_se7343_irq(struct irq_data *data)
+{
+	unsigned int bit = (unsigned int)irq_data_get_irq_chip_data(data);
+	__raw_writew(__raw_readw(PA_CPLD_IMSK) & ~(1 << bit), PA_CPLD_IMSK);
+}
+
+static struct irq_chip se7343_irq_chip __read_mostly = {
+	.name		= "SE7343-FPGA",
+	.irq_mask	= disable_se7343_irq,
+	.irq_unmask	= enable_se7343_irq,
+};
+
+static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+	unsigned short intv = __raw_readw(PA_CPLD_ST);
+	unsigned int ext_irq = 0;
+
+	intv &= (1 << SE7343_FPGA_IRQ_NR) - 1;
+
+	for (; intv; intv >>= 1, ext_irq++) {
+		if (!(intv & 1))
+			continue;
+
+		generic_handle_irq(se7343_fpga_irq[ext_irq]);
+	}
+}
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_7343se_IRQ(void)
+{
+	int i, irq;
+
+	__raw_writew(0, PA_CPLD_IMSK);	/* disable all irqs */
+	__raw_writew(0x2000, 0xb03fffec);	/* mrshpc irq enable */
+
+	for (i = 0; i < SE7343_FPGA_IRQ_NR; i++) {
+		irq = create_irq();
+		if (irq < 0)
+			return;
+		se7343_fpga_irq[i] = irq;
+
+		irq_set_chip_and_handler_name(se7343_fpga_irq[i],
+					      &se7343_irq_chip,
+					      handle_level_irq,
+					      "level");
+
+		irq_set_chip_data(se7343_fpga_irq[i], (void *)i);
+	}
+
+	irq_set_chained_handler(IRQ0_IRQ, se7343_irq_demux);
+	irq_set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);
+	irq_set_chained_handler(IRQ1_IRQ, se7343_irq_demux);
+	irq_set_irq_type(IRQ1_IRQ, IRQ_TYPE_LEVEL_LOW);
+	irq_set_chained_handler(IRQ4_IRQ, se7343_irq_demux);
+	irq_set_irq_type(IRQ4_IRQ, IRQ_TYPE_LEVEL_LOW);
+	irq_set_chained_handler(IRQ5_IRQ, se7343_irq_demux);
+	irq_set_irq_type(IRQ5_IRQ, IRQ_TYPE_LEVEL_LOW);
+}

kernel/arch/sh/boards/mach-se/7343/setup.c

@@ -0,0 +1,179 @@
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/serial_8250.h>
+#include <linux/serial_reg.h>
+#include <linux/usb/isp116x.h>
+#include <linux/delay.h>
+#include <asm/machvec.h>
+#include <mach-se/mach/se7343.h>
+#include <asm/heartbeat.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+
+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,
+	.num_resources	= 1,
+	.resource	= &heartbeat_resource,
+};
+
+static struct mtd_partition nor_flash_partitions[] = {
+	{
+		.name		= "loader",
+		.offset		= 0x00000000,
+		.size		= 128 * 1024,
+	},
+	{
+		.name		= "rootfs",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 31 * 1024 * 1024,
+	},
+	{
+		.name		= "data",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data nor_flash_data = {
+	.width		= 2,
+	.parts		= nor_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+	[0]	= {
+		.start	= 0x00000000,
+		.end	= 0x01ffffff,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device nor_flash_device = {
+	.name		= "physmap-flash",
+	.dev		= {
+		.platform_data	= &nor_flash_data,
+	},
+	.num_resources	= ARRAY_SIZE(nor_flash_resources),
+	.resource	= nor_flash_resources,
+};
+
+#define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)
+
+static struct plat_serial8250_port serial_platform_data[] = {
+	[0] = {
+		.iotype		= UPIO_MEM,
+		.mapbase	= 0x16000000,
+		.regshift	= 1,
+		.flags		= ST16C2550C_FLAGS,
+		.uartclk	= 7372800,
+	},
+	[1] = {
+		.iotype		= UPIO_MEM,
+		.mapbase	= 0x17000000,
+		.regshift	= 1,
+		.flags		= ST16C2550C_FLAGS,
+		.uartclk	= 7372800,
+	},
+	{ },
+};
+
+static struct platform_device uart_device = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM,
+	.dev			= {
+		.platform_data	= serial_platform_data,
+	},
+};
+
+static void isp116x_delay(struct device *dev, int delay)
+{
+	ndelay(delay);
+}
+
+static struct resource usb_resources[] = {
+	[0] = {
+		.start  = 0x11800000,
+		.end    = 0x11800001,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 0x11800002,
+		.end    = 0x11800003,
+		.flags  = IORESOURCE_MEM,
+	},
+	[2] = {
+		/* Filled in later */
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct isp116x_platform_data usb_platform_data = {
+	.sel15Kres		= 1,
+	.oc_enable		= 1,
+	.int_act_high		= 0,
+	.int_edge_triggered	= 0,
+	.remote_wakeup_enable	= 0,
+	.delay			= isp116x_delay,
+};
+
+static struct platform_device usb_device = {
+	.name			= "isp116x-hcd",
+	.id			= -1,
+	.num_resources		= ARRAY_SIZE(usb_resources),
+	.resource		= usb_resources,
+	.dev			= {
+		.platform_data	= &usb_platform_data,
+	},
+
+};
+
+static struct platform_device *sh7343se_platform_devices[] __initdata = {
+	&heartbeat_device,
+	&nor_flash_device,
+	&uart_device,
+	&usb_device,
+};
+
+static int __init sh7343se_devices_setup(void)
+{
+	/* Wire-up dynamic vectors */
+	serial_platform_data[0].irq = se7343_fpga_irq[SE7343_FPGA_IRQ_UARTA];
+	serial_platform_data[1].irq = se7343_fpga_irq[SE7343_FPGA_IRQ_UARTB];
+
+	usb_resources[2].start = usb_resources[2].end =
+		se7343_fpga_irq[SE7343_FPGA_IRQ_USB];
+
+	return platform_add_devices(sh7343se_platform_devices,
+				    ARRAY_SIZE(sh7343se_platform_devices));
+}
+device_initcall(sh7343se_devices_setup);
+
+/*
+ * Initialize the board
+ */
+static void __init sh7343se_setup(char **cmdline_p)
+{
+	__raw_writew(0xf900, FPGA_OUT);	/* FPGA */
+
+	__raw_writew(0x0002, PORT_PECR);	/* PORT E 1 = IRQ5 */
+	__raw_writew(0x0020, PORT_PSELD);
+
+	printk(KERN_INFO "MS7343CP01 Setup...done\n");
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_7343se __initmv = {
+	.mv_name = "SolutionEngine 7343",
+	.mv_setup = sh7343se_setup,
+	.mv_init_irq = init_7343se_IRQ,
+};