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-rw-r--r--arch/sh/boards/mach-se/7343/Makefile5
-rw-r--r--arch/sh/boards/mach-se/7343/irq.c86
-rw-r--r--arch/sh/boards/mach-se/7343/setup.c179
3 files changed, 270 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-se/7343/Makefile b/arch/sh/boards/mach-se/7343/Makefile
new file mode 100644
index 00000000..4c3666a9
--- /dev/null
+++ b/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
diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c
new file mode 100644
index 00000000..fd45ffc4
--- /dev/null
+++ b/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);
+}
diff --git a/arch/sh/boards/mach-se/7343/setup.c b/arch/sh/boards/mach-se/7343/setup.c
new file mode 100644
index 00000000..d2370af5
--- /dev/null
+++ b/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,
+};
generated by cgit (git 2.34.1) at 2024-12-20 19:47:40 +0000