sh: Shuffle the board directories in to mach groups.

This flattens out the board directories in to individual mach groups,
we will use this for getting rid of unneeded directories, simplifying
the build system, and becoming more coherent with the refactored
arch/sh/include topology.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 183 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-microdev/irq.c b/arch/sh/boards/mach-microdev/irq.c
new file mode 100644
index 000000000000..4d335077a3ff
--- /dev/null
+++ b/arch/sh/boards/mach-microdev/irq.c
@@ -0,0 +1,183 @@
+/*
+ * arch/sh/boards/superh/microdev/irq.c
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ *
+ * SuperH SH4-202 MicroDev board support.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/microdev.h>
+
+#define NUM_EXTERNAL_IRQS 16    /* IRL0 .. IRL15 */
+
+static const struct {
+        unsigned char fpgaIrq;
+        unsigned char mapped;
+        const char *name;
+} fpgaIrqTable[NUM_EXTERNAL_IRQS] = {
+        { 0,                            0,      "unused"   },           /* IRQ #0       IRL=15  0x200  */
+        { MICRODEV_FPGA_IRQ_KEYBOARD,   1,      "keyboard" },           /* IRQ #1       IRL=14  0x220  */
+        { MICRODEV_FPGA_IRQ_SERIAL1,    1,      "Serial #1"},           /* IRQ #2       IRL=13  0x240  */
+        { MICRODEV_FPGA_IRQ_ETHERNET,   1,      "Ethernet" },           /* IRQ #3       IRL=12  0x260  */
+        { MICRODEV_FPGA_IRQ_SERIAL2,    0,      "Serial #2"},           /* IRQ #4       IRL=11  0x280  */
+        { 0,                            0,      "unused"   },           /* IRQ #5       IRL=10  0x2a0  */
+        { 0,                            0,      "unused"   },           /* IRQ #6       IRL=9   0x2c0  */
+        { MICRODEV_FPGA_IRQ_USB_HC,     1,      "USB"      },           /* IRQ #7       IRL=8   0x2e0  */
+        { MICRODEV_IRQ_PCI_INTA,        1,      "PCI INTA" },           /* IRQ #8       IRL=7   0x300  */
+        { MICRODEV_IRQ_PCI_INTB,        1,      "PCI INTB" },           /* IRQ #9       IRL=6   0x320  */
+        { MICRODEV_IRQ_PCI_INTC,        1,      "PCI INTC" },           /* IRQ #10      IRL=5   0x340  */
+        { MICRODEV_IRQ_PCI_INTD,        1,      "PCI INTD" },           /* IRQ #11      IRL=4   0x360  */
+        { MICRODEV_FPGA_IRQ_MOUSE,      1,      "mouse"    },           /* IRQ #12      IRL=3   0x380  */
+        { MICRODEV_FPGA_IRQ_IDE2,       1,      "IDE #2"   },           /* IRQ #13      IRL=2   0x3a0  */
+        { MICRODEV_FPGA_IRQ_IDE1,       1,      "IDE #1"   },           /* IRQ #14      IRL=1   0x3c0  */
+        { 0,                            0,      "unused"   },           /* IRQ #15      IRL=0   0x3e0  */
+};
+
+#if (MICRODEV_LINUX_IRQ_KEYBOARD != 1)
+#  error Inconsistancy in defining the IRQ# for Keyboard!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_ETHERNET != 3)
+#  error Inconsistancy in defining the IRQ# for Ethernet!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_USB_HC != 7)
+#  error Inconsistancy in defining the IRQ# for USB!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_MOUSE != 12)
+#  error Inconsistancy in defining the IRQ# for PS/2 Mouse!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_IDE2 != 13)
+#  error Inconsistancy in defining the IRQ# for secondary IDE!
+#endif
+
+#if (MICRODEV_LINUX_IRQ_IDE1 != 14)
+#  error Inconsistancy in defining the IRQ# for primary IDE!
+#endif
+
+static void enable_microdev_irq(unsigned int irq);
+static void disable_microdev_irq(unsigned int irq);
+
+        /* shutdown is same as "disable" */
+#define shutdown_microdev_irq disable_microdev_irq
+
+static void mask_and_ack_microdev(unsigned int);
+static void end_microdev_irq(unsigned int irq);
+
+static unsigned int startup_microdev_irq(unsigned int irq)
+{
+        enable_microdev_irq(irq);
+        return 0;               /* never anything pending */
+}
+
+static struct hw_interrupt_type microdev_irq_type = {
+        .typename = "MicroDev-IRQ",
+        .startup = startup_microdev_irq,
+        .shutdown = shutdown_microdev_irq,
+        .enable = enable_microdev_irq,
+        .disable = disable_microdev_irq,
+        .ack = mask_and_ack_microdev,
+        .end = end_microdev_irq
+};
+
+static void disable_microdev_irq(unsigned int irq)
+{
+        unsigned int fpgaIrq;
+
+        if (irq >= NUM_EXTERNAL_IRQS)
+                return;
+        if (!fpgaIrqTable[irq].mapped)
+                return;
+
+        fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
+
+        /* disable interrupts on the FPGA INTC register */
+        ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
+}
+
+static void enable_microdev_irq(unsigned int irq)
+{
+        unsigned long priorityReg, priorities, pri;
+        unsigned int fpgaIrq;
+
+        if (unlikely(irq >= NUM_EXTERNAL_IRQS))
+                return;
+        if (unlikely(!fpgaIrqTable[irq].mapped))
+                return;
+
+        pri = 15 - irq;
+
+        fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
+        priorityReg = MICRODEV_FPGA_INTPRI_REG(fpgaIrq);
+
+        /* set priority for the interrupt */
+        priorities = ctrl_inl(priorityReg);
+        priorities &= ~MICRODEV_FPGA_INTPRI_MASK(fpgaIrq);
+        priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri);
+        ctrl_outl(priorities, priorityReg);
+
+        /* enable interrupts on the FPGA INTC register */
+        ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
+}
+
+        /* This functions sets the desired irq handler to be a MicroDev type */
+static void __init make_microdev_irq(unsigned int irq)
+{
+        disable_irq_nosync(irq);
+        irq_desc[irq].chip = &microdev_irq_type;
+        disable_microdev_irq(irq);
+}
+
+static void mask_and_ack_microdev(unsigned int irq)
+{
+        disable_microdev_irq(irq);
+}
+
+static void end_microdev_irq(unsigned int irq)
+{
+        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+                enable_microdev_irq(irq);
+}
+
+extern void __init init_microdev_irq(void)
+{
+        int i;
+
+                /* disable interrupts on the FPGA INTC register */
+        ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG);
+
+        for (i = 0; i < NUM_EXTERNAL_IRQS; i++)
+                make_microdev_irq(i);
+}
+
+extern void microdev_print_fpga_intc_status(void)
+{
+        volatile unsigned int * const intenb = (unsigned int*)MICRODEV_FPGA_INTENB_REG;
+        volatile unsigned int * const intdsb = (unsigned int*)MICRODEV_FPGA_INTDSB_REG;
+        volatile unsigned int * const intpria = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(0);
+        volatile unsigned int * const intprib = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(8);
+        volatile unsigned int * const intpric = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(16);
+        volatile unsigned int * const intprid = (unsigned int*)MICRODEV_FPGA_INTPRI_REG(24);
+        volatile unsigned int * const intsrc = (unsigned int*)MICRODEV_FPGA_INTSRC_REG;
+        volatile unsigned int * const intreq = (unsigned int*)MICRODEV_FPGA_INTREQ_REG;
+
+        printk("-------------------------- microdev_print_fpga_intc_status() ------------------\n");
+        printk("FPGA_INTENB = 0x%08x\n", *intenb);
+        printk("FPGA_INTDSB = 0x%08x\n", *intdsb);
+        printk("FPGA_INTSRC = 0x%08x\n", *intsrc);
+        printk("FPGA_INTREQ = 0x%08x\n", *intreq);
+        printk("FPGA_INTPRI[3..0] = %08x:%08x:%08x:%08x\n", *intprid, *intpric, *intprib, *intpria);
+        printk("-------------------------------------------------------------------------------\n");
+}
+
+