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-rw-r--r--arch/sh/boards/superh/microdev/Makefile8
-rw-r--r--arch/sh/boards/superh/microdev/io.c370
-rw-r--r--arch/sh/boards/superh/microdev/irq.c200
-rw-r--r--arch/sh/boards/superh/microdev/led.c102
-rw-r--r--arch/sh/boards/superh/microdev/setup.c278
5 files changed, 958 insertions, 0 deletions
diff --git a/arch/sh/boards/superh/microdev/Makefile b/arch/sh/boards/superh/microdev/Makefile
new file mode 100644
index 00000000000..1387dd6c85e
--- /dev/null
+++ b/arch/sh/boards/superh/microdev/Makefile
@@ -0,0 +1,8 @@
+#
+# Makefile for the SuperH MicroDev specific parts of the kernel
+#
+
+obj-y := setup.o irq.o io.o
+
+obj-$(CONFIG_HEARTBEAT) += led.o
+
diff --git a/arch/sh/boards/superh/microdev/io.c b/arch/sh/boards/superh/microdev/io.c
new file mode 100644
index 00000000000..fe83b2c0307
--- /dev/null
+++ b/arch/sh/boards/superh/microdev/io.c
@@ -0,0 +1,370 @@
+/*
+ * linux/arch/sh/kernel/io_microdev.c
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ * Copyright (C) 2003, 2004 SuperH, Inc.
+ * Copyright (C) 2004 Paul Mundt
+ *
+ * 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/config.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+#include <asm/mach/io.h>
+
+ /*
+ * we need to have a 'safe' address to re-direct all I/O requests
+ * that we do not explicitly wish to handle. This safe address
+ * must have the following properies:
+ *
+ * * writes are ignored (no exception)
+ * * reads are benign (no side-effects)
+ * * accesses of width 1, 2 and 4-bytes are all valid.
+ *
+ * The Processor Version Register (PVR) has these properties.
+ */
+#define PVR 0xff000030 /* Processor Version Register */
+
+
+#define IO_IDE2_BASE 0x170ul /* I/O base for SMSC FDC37C93xAPM IDE #2 */
+#define IO_IDE1_BASE 0x1f0ul /* I/O base for SMSC FDC37C93xAPM IDE #1 */
+#define IO_ISP1161_BASE 0x290ul /* I/O port for Philips ISP1161x USB chip */
+#define IO_SERIAL2_BASE 0x2f8ul /* I/O base for SMSC FDC37C93xAPM Serial #2 */
+#define IO_LAN91C111_BASE 0x300ul /* I/O base for SMSC LAN91C111 Ethernet chip */
+#define IO_IDE2_MISC 0x376ul /* I/O misc for SMSC FDC37C93xAPM IDE #2 */
+#define IO_SUPERIO_BASE 0x3f0ul /* I/O base for SMSC FDC37C93xAPM SuperIO chip */
+#define IO_IDE1_MISC 0x3f6ul /* I/O misc for SMSC FDC37C93xAPM IDE #1 */
+#define IO_SERIAL1_BASE 0x3f8ul /* I/O base for SMSC FDC37C93xAPM Serial #1 */
+
+#define IO_ISP1161_EXTENT 0x04ul /* I/O extent for Philips ISP1161x USB chip */
+#define IO_LAN91C111_EXTENT 0x10ul /* I/O extent for SMSC LAN91C111 Ethernet chip */
+#define IO_SUPERIO_EXTENT 0x02ul /* I/O extent for SMSC FDC37C93xAPM SuperIO chip */
+#define IO_IDE_EXTENT 0x08ul /* I/O extent for IDE Task Register set */
+#define IO_SERIAL_EXTENT 0x10ul
+
+#define IO_LAN91C111_PHYS 0xa7500000ul /* Physical address of SMSC LAN91C111 Ethernet chip */
+#define IO_ISP1161_PHYS 0xa7700000ul /* Physical address of Philips ISP1161x USB chip */
+#define IO_SUPERIO_PHYS 0xa7800000ul /* Physical address of SMSC FDC37C93xAPM SuperIO chip */
+
+#define PORT2ADDR(x) (microdev_isa_port2addr(x))
+
+
+static inline void delay(void)
+{
+#if defined(CONFIG_PCI)
+ /* System board present, just make a dummy SRAM access. (CS0 will be
+ mapped to PCI memory, probably good to avoid it.) */
+ ctrl_inw(0xa6800000);
+#else
+ /* CS0 will be mapped to flash, ROM etc so safe to access it. */
+ ctrl_inw(0xa0000000);
+#endif
+}
+
+unsigned char microdev_inb(unsigned long port)
+{
+#ifdef CONFIG_PCI
+ if (port >= PCIBIOS_MIN_IO)
+ return microdev_pci_inb(port);
+#endif
+ return *(volatile unsigned char*)PORT2ADDR(port);
+}
+
+unsigned short microdev_inw(unsigned long port)
+{
+#ifdef CONFIG_PCI
+ if (port >= PCIBIOS_MIN_IO)
+ return microdev_pci_inw(port);
+#endif
+ return *(volatile unsigned short*)PORT2ADDR(port);
+}
+
+unsigned int microdev_inl(unsigned long port)
+{
+#ifdef CONFIG_PCI
+ if (port >= PCIBIOS_MIN_IO)
+ return microdev_pci_inl(port);
+#endif
+ return *(volatile unsigned int*)PORT2ADDR(port);
+}
+
+void microdev_outb(unsigned char b, unsigned long port)
+{
+#ifdef CONFIG_PCI
+ if (port >= PCIBIOS_MIN_IO) {
+ microdev_pci_outb(b, port);
+ return;
+ }
+#endif
+
+ /*
+ * There is a board feature with the current SH4-202 MicroDev in
+ * that the 2 byte enables (nBE0 and nBE1) are tied together (and
+ * to the Chip Select Line (Ethernet_CS)). Due to this conectivity,
+ * it is not possible to safely perform 8-bit writes to the
+ * Ethernet registers, as 16-bits will be consumed from the Data
+ * lines (corrupting the other byte). Hence, this function is
+ * written to impliment 16-bit read/modify/write for all byte-wide
+ * acceses.
+ *
+ * Note: there is no problem with byte READS (even or odd).
+ *
+ * Sean McGoogan - 16th June 2003.
+ */
+ if ((port >= IO_LAN91C111_BASE) &&
+ (port < IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) {
+ /*
+ * Then are trying to perform a byte-write to the
+ * LAN91C111. This needs special care.
+ */
+ if (port % 2 == 1) { /* is the port odd ? */
+ /* unset bit-0, i.e. make even */
+ const unsigned long evenPort = port-1;
+ unsigned short word;
+
+ /*
+ * do a 16-bit read/write to write to 'port',
+ * preserving even byte.
+ *
+ * Even addresses are bits 0-7
+ * Odd addresses are bits 8-15
+ */
+ word = microdev_inw(evenPort);
+ word = (word & 0xffu) | (b << 8);
+ microdev_outw(word, evenPort);
+ } else {
+ /* else, we are trying to do an even byte write */
+ unsigned short word;
+
+ /*
+ * do a 16-bit read/write to write to 'port',
+ * preserving odd byte.
+ *
+ * Even addresses are bits 0-7
+ * Odd addresses are bits 8-15
+ */
+ word = microdev_inw(port);
+ word = (word & 0xff00u) | (b);
+ microdev_outw(word, port);
+ }
+ } else {
+ *(volatile unsigned char*)PORT2ADDR(port) = b;
+ }
+}
+
+void microdev_outw(unsigned short b, unsigned long port)
+{
+#ifdef CONFIG_PCI
+ if (port >= PCIBIOS_MIN_IO) {
+ microdev_pci_outw(b, port);
+ return;
+ }
+#endif
+ *(volatile unsigned short*)PORT2ADDR(port) = b;
+}
+
+void microdev_outl(unsigned int b, unsigned long port)
+{
+#ifdef CONFIG_PCI
+ if (port >= PCIBIOS_MIN_IO) {
+ microdev_pci_outl(b, port);
+ return;
+ }
+#endif
+ *(volatile unsigned int*)PORT2ADDR(port) = b;
+}
+
+unsigned char microdev_inb_p(unsigned long port)
+{
+ unsigned char v = microdev_inb(port);
+ delay();
+ return v;
+}
+
+unsigned short microdev_inw_p(unsigned long port)
+{
+ unsigned short v = microdev_inw(port);
+ delay();
+ return v;
+}
+
+unsigned int microdev_inl_p(unsigned long port)
+{
+ unsigned int v = microdev_inl(port);
+ delay();
+ return v;
+}
+
+void microdev_outb_p(unsigned char b, unsigned long port)
+{
+ microdev_outb(b, port);
+ delay();
+}
+
+void microdev_outw_p(unsigned short b, unsigned long port)
+{
+ microdev_outw(b, port);
+ delay();
+}
+
+void microdev_outl_p(unsigned int b, unsigned long port)
+{
+ microdev_outl(b, port);
+ delay();
+}
+
+void microdev_insb(unsigned long port, void *buffer, unsigned long count)
+{
+ volatile unsigned char *port_addr;
+ unsigned char *buf = buffer;
+
+ port_addr = (volatile unsigned char *)PORT2ADDR(port);
+
+ while (count--)
+ *buf++ = *port_addr;
+}
+
+void microdev_insw(unsigned long port, void *buffer, unsigned long count)
+{
+ volatile unsigned short *port_addr;
+ unsigned short *buf = buffer;
+
+ port_addr = (volatile unsigned short *)PORT2ADDR(port);
+
+ while (count--)
+ *buf++ = *port_addr;
+}
+
+void microdev_insl(unsigned long port, void *buffer, unsigned long count)
+{
+ volatile unsigned long *port_addr;
+ unsigned int *buf = buffer;
+
+ port_addr = (volatile unsigned long *)PORT2ADDR(port);
+
+ while (count--)
+ *buf++ = *port_addr;
+}
+
+void microdev_outsb(unsigned long port, const void *buffer, unsigned long count)
+{
+ volatile unsigned char *port_addr;
+ const unsigned char *buf = buffer;
+
+ port_addr = (volatile unsigned char *)PORT2ADDR(port);
+
+ while (count--)
+ *port_addr = *buf++;
+}
+
+void microdev_outsw(unsigned long port, const void *buffer, unsigned long count)
+{
+ volatile unsigned short *port_addr;
+ const unsigned short *buf = buffer;
+
+ port_addr = (volatile unsigned short *)PORT2ADDR(port);
+
+ while (count--)
+ *port_addr = *buf++;
+}
+
+void microdev_outsl(unsigned long port, const void *buffer, unsigned long count)
+{
+ volatile unsigned long *port_addr;
+ const unsigned int *buf = buffer;
+
+ port_addr = (volatile unsigned long *)PORT2ADDR(port);
+
+ while (count--)
+ *port_addr = *buf++;
+}
+
+/*
+ * map I/O ports to memory-mapped addresses
+ */
+unsigned long microdev_isa_port2addr(unsigned long offset)
+{
+ unsigned long result;
+
+ if ((offset >= IO_LAN91C111_BASE) &&
+ (offset < IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) {
+ /*
+ * SMSC LAN91C111 Ethernet chip
+ */
+ result = IO_LAN91C111_PHYS + offset - IO_LAN91C111_BASE;
+ } else if ((offset >= IO_SUPERIO_BASE) &&
+ (offset < IO_SUPERIO_BASE + IO_SUPERIO_EXTENT)) {
+ /*
+ * SMSC FDC37C93xAPM SuperIO chip
+ *
+ * Configuration Registers
+ */
+ result = IO_SUPERIO_PHYS + (offset << 1);
+#if 0
+ } else if (offset == KBD_DATA_REG || offset == KBD_CNTL_REG ||
+ offset == KBD_STATUS_REG) {
+ /*
+ * SMSC FDC37C93xAPM SuperIO chip
+ *
+ * PS/2 Keyboard + Mouse (ports 0x60 and 0x64).
+ */
+ result = IO_SUPERIO_PHYS + (offset << 1);
+#endif
+ } else if (((offset >= IO_IDE1_BASE) &&
+ (offset < IO_IDE1_BASE + IO_IDE_EXTENT)) ||
+ (offset == IO_IDE1_MISC)) {
+ /*
+ * SMSC FDC37C93xAPM SuperIO chip
+ *
+ * IDE #1
+ */
+ result = IO_SUPERIO_PHYS + (offset << 1);
+ } else if (((offset >= IO_IDE2_BASE) &&
+ (offset < IO_IDE2_BASE + IO_IDE_EXTENT)) ||
+ (offset == IO_IDE2_MISC)) {
+ /*
+ * SMSC FDC37C93xAPM SuperIO chip
+ *
+ * IDE #2
+ */
+ result = IO_SUPERIO_PHYS + (offset << 1);
+ } else if ((offset >= IO_SERIAL1_BASE) &&
+ (offset < IO_SERIAL1_BASE + IO_SERIAL_EXTENT)) {
+ /*
+ * SMSC FDC37C93xAPM SuperIO chip
+ *
+ * Serial #1
+ */
+ result = IO_SUPERIO_PHYS + (offset << 1);
+ } else if ((offset >= IO_SERIAL2_BASE) &&
+ (offset < IO_SERIAL2_BASE + IO_SERIAL_EXTENT)) {
+ /*
+ * SMSC FDC37C93xAPM SuperIO chip
+ *
+ * Serial #2
+ */
+ result = IO_SUPERIO_PHYS + (offset << 1);
+ } else if ((offset >= IO_ISP1161_BASE) &&
+ (offset < IO_ISP1161_BASE + IO_ISP1161_EXTENT)) {
+ /*
+ * Philips USB ISP1161x chip
+ */
+ result = IO_ISP1161_PHYS + offset - IO_ISP1161_BASE;
+ } else {
+ /*
+ * safe default.
+ */
+ printk("Warning: unexpected port in %s( offset = 0x%lx )\n",
+ __FUNCTION__, offset);
+ result = PVR;
+ }
+
+ return result;
+}
+
diff --git a/arch/sh/boards/superh/microdev/irq.c b/arch/sh/boards/superh/microdev/irq.c
new file mode 100644
index 00000000000..1298883eca4
--- /dev/null
+++ b/arch/sh/boards/superh/microdev/irq.c
@@ -0,0 +1,200 @@
+/*
+ * 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/config.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/mach/irq.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 = {
+ "MicroDev-IRQ",
+ startup_microdev_irq,
+ shutdown_microdev_irq,
+ enable_microdev_irq,
+ disable_microdev_irq,
+ mask_and_ack_microdev,
+ end_microdev_irq
+};
+
+static void disable_microdev_irq(unsigned int irq)
+{
+ unsigned int flags;
+ unsigned int fpgaIrq;
+
+ if (irq >= NUM_EXTERNAL_IRQS) return;
+ if (!fpgaIrqTable[irq].mapped) return;
+
+ fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
+
+ /* disable interrupts */
+ local_irq_save(flags);
+
+ /* disable interupts on the FPGA INTC register */
+ ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
+
+ /* restore interrupts */
+ local_irq_restore(flags);
+}
+
+static void enable_microdev_irq(unsigned int irq)
+{
+ unsigned long priorityReg, priorities, pri;
+ unsigned int flags;
+ unsigned int fpgaIrq;
+
+
+ if (irq >= NUM_EXTERNAL_IRQS) return;
+ if (!fpgaIrqTable[irq].mapped) return;
+
+ pri = 15 - irq;
+
+ fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
+ priorityReg = MICRODEV_FPGA_INTPRI_REG(fpgaIrq);
+
+ /* disable interrupts */
+ local_irq_save(flags);
+
+ /* 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 interupts on the FPGA INTC register */
+ ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
+
+ /* restore interrupts */
+ local_irq_restore(flags);
+}
+
+ /* 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].handler = &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 interupts 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");
+}
+
+
diff --git a/arch/sh/boards/superh/microdev/led.c b/arch/sh/boards/superh/microdev/led.c
new file mode 100644
index 00000000000..52a98e69d3f
--- /dev/null
+++ b/arch/sh/boards/superh/microdev/led.c
@@ -0,0 +1,102 @@
+/*
+ * linux/arch/sh/kernel/led_microdev.c
+ *
+ * Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com>
+ * Copyright (C) 2003 Richard Curnow (Richard.Curnow@superh.com)
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ */
+
+#include <linux/config.h>
+#include <asm/io.h>
+
+#define LED_REGISTER 0xa6104d20
+
+static void mach_led_d9(int value)
+{
+ unsigned long reg;
+ reg = ctrl_inl(LED_REGISTER);
+ reg &= ~1;
+ reg |= (value & 1);
+ ctrl_outl(reg, LED_REGISTER);
+ return;
+}
+
+static void mach_led_d10(int value)
+{
+ unsigned long reg;
+ reg = ctrl_inl(LED_REGISTER);
+ reg &= ~2;
+ reg |= ((value & 1) << 1);
+ ctrl_outl(reg, LED_REGISTER);
+ return;
+}
+
+
+#ifdef CONFIG_HEARTBEAT
+#include <linux/sched.h>
+
+static unsigned char banner_table[] = {
+ 0x11, 0x01, 0x11, 0x01, 0x11, 0x03,
+ 0x11, 0x01, 0x11, 0x01, 0x13, 0x03,
+ 0x11, 0x01, 0x13, 0x01, 0x13, 0x01, 0x11, 0x03,
+ 0x11, 0x03,
+ 0x11, 0x01, 0x13, 0x01, 0x11, 0x03,
+ 0x11, 0x01, 0x11, 0x01, 0x11, 0x01, 0x11, 0x07,
+ 0x13, 0x01, 0x13, 0x03,
+ 0x11, 0x01, 0x11, 0x03,
+ 0x13, 0x01, 0x11, 0x01, 0x13, 0x01, 0x11, 0x03,
+ 0x11, 0x01, 0x13, 0x01, 0x11, 0x03,
+ 0x13, 0x01, 0x13, 0x01, 0x13, 0x03,
+ 0x13, 0x01, 0x11, 0x01, 0x11, 0x03,
+ 0x11, 0x03,
+ 0x11, 0x01, 0x11, 0x01, 0x11, 0x01, 0x13, 0x07,
+ 0xff
+};
+
+static void banner(void)
+{
+ static int pos = 0;
+ static int count = 0;
+
+ if (count) {
+ count--;
+ } else {
+ int val = banner_table[pos];
+ if (val == 0xff) {
+ pos = 0;
+ val = banner_table[pos];
+ }
+ pos++;
+ mach_led_d10((val >> 4) & 1);
+ count = 10 * (val & 0xf);
+ }
+}
+
+/* From heartbeat_harp in the stboards directory */
+/* acts like an actual heart beat -- ie thump-thump-pause... */
+void microdev_heartbeat(void)
+{
+ static unsigned cnt = 0, period = 0, dist = 0;
+
+ if (cnt == 0 || cnt == dist)
+ mach_led_d9(1);
+ else if (cnt == 7 || cnt == dist+7)
+ mach_led_d9(0);
+
+ if (++cnt > period) {
+ cnt = 0;
+ /* The hyperbolic function below modifies the heartbeat period
+ * length in dependency of the current (5min) load. It goes
+ * through the points f(0)=126, f(1)=86, f(5)=51,
+ * f(inf)->30. */
+ period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
+ dist = period / 4;
+ }
+
+ banner();
+}
+
+#endif
diff --git a/arch/sh/boards/superh/microdev/setup.c b/arch/sh/boards/superh/microdev/setup.c
new file mode 100644
index 00000000000..c18919941ec
--- /dev/null
+++ b/arch/sh/boards/superh/microdev/setup.c
@@ -0,0 +1,278 @@
+/*
+ * arch/sh/boards/superh/microdev/setup.c
+ *
+ * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
+ * Copyright (C) 2003, 2004 SuperH, Inc.
+ * Copyright (C) 2004 Paul Mundt
+ *
+ * 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/config.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/ioport.h>
+#include <asm/io.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/io.h>
+#include <asm/machvec.h>
+#include <asm/machvec_init.h>
+
+extern void microdev_heartbeat(void);
+
+/*
+ * The Machine Vector
+ */
+
+struct sh_machine_vector mv_sh4202_microdev __initmv = {
+ .mv_nr_irqs = 72, /* QQQ need to check this - use the MACRO */
+
+ .mv_inb = microdev_inb,
+ .mv_inw = microdev_inw,
+ .mv_inl = microdev_inl,
+ .mv_outb = microdev_outb,
+ .mv_outw = microdev_outw,
+ .mv_outl = microdev_outl,
+
+ .mv_inb_p = microdev_inb_p,
+ .mv_inw_p = microdev_inw_p,
+ .mv_inl_p = microdev_inl_p,
+ .mv_outb_p = microdev_outb_p,
+ .mv_outw_p = microdev_outw_p,
+ .mv_outl_p = microdev_outl_p,
+
+ .mv_insb = microdev_insb,
+ .mv_insw = microdev_insw,
+ .mv_insl = microdev_insl,
+ .mv_outsb = microdev_outsb,
+ .mv_outsw = microdev_outsw,
+ .mv_outsl = microdev_outsl,
+
+ .mv_isa_port2addr = microdev_isa_port2addr,
+
+ .mv_init_irq = init_microdev_irq,
+
+#ifdef CONFIG_HEARTBEAT
+ .mv_heartbeat = microdev_heartbeat,
+#endif
+};
+ALIAS_MV(sh4202_microdev)
+
+/****************************************************************************/
+
+
+ /*
+ * Setup for the SMSC FDC37C93xAPM
+ */
+#define SMSC_CONFIG_PORT_ADDR (0x3F0)
+#define SMSC_INDEX_PORT_ADDR SMSC_CONFIG_PORT_ADDR
+#define SMSC_DATA_PORT_ADDR (SMSC_INDEX_PORT_ADDR + 1)
+
+#define SMSC_ENTER_CONFIG_KEY 0x55
+#define SMSC_EXIT_CONFIG_KEY 0xaa
+
+#define SMCS_LOGICAL_DEV_INDEX 0x07 /* Logical Device Number */
+#define SMSC_DEVICE_ID_INDEX 0x20 /* Device ID */
+#define SMSC_DEVICE_REV_INDEX 0x21 /* Device Revision */
+#define SMSC_ACTIVATE_INDEX 0x30 /* Activate */
+#define SMSC_PRIMARY_BASE_INDEX 0x60 /* Primary Base Address */
+#define SMSC_SECONDARY_BASE_INDEX 0x62 /* Secondary Base Address */
+#define SMSC_PRIMARY_INT_INDEX 0x70 /* Primary Interrupt Select */
+#define SMSC_SECONDARY_INT_INDEX 0x72 /* Secondary Interrupt Select */
+#define SMSC_HDCS0_INDEX 0xf0 /* HDCS0 Address Decoder */
+#define SMSC_HDCS1_INDEX 0xf1 /* HDCS1 Address Decoder */
+
+#define SMSC_IDE1_DEVICE 1 /* IDE #1 logical device */
+#define SMSC_IDE2_DEVICE 2 /* IDE #2 logical device */
+#define SMSC_PARALLEL_DEVICE 3 /* Parallel Port logical device */
+#define SMSC_SERIAL1_DEVICE 4 /* Serial #1 logical device */
+#define SMSC_SERIAL2_DEVICE 5 /* Serial #2 logical device */
+#define SMSC_KEYBOARD_DEVICE 7 /* Keyboard logical device */
+#define SMSC_CONFIG_REGISTERS 8 /* Configuration Registers (Aux I/O) */
+
+#define SMSC_READ_INDEXED(index) ({ \
+ outb((index), SMSC_INDEX_PORT_ADDR); \
+ inb(SMSC_DATA_PORT_ADDR); })
+#define SMSC_WRITE_INDEXED(val, index) ({ \
+ outb((index), SMSC_INDEX_PORT_ADDR); \
+ outb((val), SMSC_DATA_PORT_ADDR); })
+
+#define IDE1_PRIMARY_BASE 0x01f0 /* Task File Registe base for IDE #1 */
+#define IDE1_SECONDARY_BASE 0x03f6 /* Miscellaneous AT registers for IDE #1 */
+#define IDE2_PRIMARY_BASE 0x0170 /* Task File Registe base for IDE #2 */
+#define IDE2_SECONDARY_BASE 0x0376 /* Miscellaneous AT registers for IDE #2 */
+
+#define SERIAL1_PRIMARY_BASE 0x03f8
+#define SERIAL2_PRIMARY_BASE 0x02f8
+
+#define MSB(x) ( (x) >> 8 )
+#define LSB(x) ( (x) & 0xff )
+
+ /* General-Purpose base address on CPU-board FPGA */
+#define MICRODEV_FPGA_GP_BASE 0xa6100000ul
+
+ /* assume a Keyboard Controller is present */
+int microdev_kbd_controller_present = 1;
+
+const char *get_system_type(void)
+{
+ return "SH4-202 MicroDev";
+}
+
+static struct resource smc91x_resources[] = {
+ [0] = {
+ .start = 0x300,
+ .end = 0x300 + 0x0001000 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = MICRODEV_LINUX_IRQ_ETHERNET,
+ .end = MICRODEV_LINUX_IRQ_ETHERNET,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device smc91x_device = {
+ .name = "smc91x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(smc91x_resources),
+ .resource = smc91x_resources,
+};
+
+static int __init smc91x_setup(void)
+{
+ return platform_device_register(&smc91x_device);
+}
+
+__initcall(smc91x_setup);
+
+ /*
+ * Initialize the board
+ */
+void __init platform_setup(void)
+{
+ int * const fpgaRevisionRegister = (int*)(MICRODEV_FPGA_GP_BASE + 0x8ul);
+ const int fpgaRevision = *fpgaRevisionRegister;
+ int * const CacheControlRegister = (int*)CCR;
+
+ printk("SuperH %s board (FPGA rev: 0x%0x, CCR: 0x%0x)\n",
+ get_system_type(), fpgaRevision, *CacheControlRegister);
+}
+
+
+/****************************************************************************/
+
+
+ /*
+ * Setup for the SMSC FDC37C93xAPM
+ */
+static int __init smsc_superio_setup(void)
+{
+
+ unsigned char devid, devrev;
+
+ /* Initially the chip is in run state */
+ /* Put it into configuration state */
+ outb(SMSC_ENTER_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
+
+ /* Read device ID info */
+ devid = SMSC_READ_INDEXED(SMSC_DEVICE_ID_INDEX);
+ devrev = SMSC_READ_INDEXED(SMSC_DEVICE_REV_INDEX);
+ if ( (devid==0x30) && (devrev==0x01) )
+ {
+ printk("SMSC FDC37C93xAPM SuperIO device detected\n");
+ }
+ else
+ { /* not the device identity we expected */
+ printk("Not detected a SMSC FDC37C93xAPM SuperIO device (devid=0x%02x, rev=0x%02x)\n",
+ devid, devrev);
+ /* inform the keyboard driver that we have no keyboard controller */
+ microdev_kbd_controller_present = 0;
+ /* little point in doing anything else in this functon */
+ return 0;
+ }
+
+ /* Select the keyboard device */
+ SMSC_WRITE_INDEXED(SMSC_KEYBOARD_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+ /* enable it */
+ SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+ /* enable the interrupts */
+ SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_KEYBOARD, SMSC_PRIMARY_INT_INDEX);
+ SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_MOUSE, SMSC_SECONDARY_INT_INDEX);
+
+ /* Select the Serial #1 device */
+ SMSC_WRITE_INDEXED(SMSC_SERIAL1_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+ /* enable it */
+ SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+ /* program with port addresses */
+ SMSC_WRITE_INDEXED(MSB(SERIAL1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0);
+ SMSC_WRITE_INDEXED(LSB(SERIAL1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1);
+ SMSC_WRITE_INDEXED(0x00, SMSC_HDCS0_INDEX);
+ /* enable the interrupts */
+ SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_SERIAL1, SMSC_PRIMARY_INT_INDEX);
+
+ /* Select the Serial #2 device */
+ SMSC_WRITE_INDEXED(SMSC_SERIAL2_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+ /* enable it */
+ SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+ /* program with port addresses */
+ SMSC_WRITE_INDEXED(MSB(SERIAL2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0);
+ SMSC_WRITE_INDEXED(LSB(SERIAL2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1);
+ SMSC_WRITE_INDEXED(0x00, SMSC_HDCS0_INDEX);
+ /* enable the interrupts */
+ SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_SERIAL2, SMSC_PRIMARY_INT_INDEX);
+
+ /* Select the IDE#1 device */
+ SMSC_WRITE_INDEXED(SMSC_IDE1_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+ /* enable it */
+ SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+ /* program with port addresses */
+ SMSC_WRITE_INDEXED(MSB(IDE1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0);
+ SMSC_WRITE_INDEXED(LSB(IDE1_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1);
+ SMSC_WRITE_INDEXED(MSB(IDE1_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+0);
+ SMSC_WRITE_INDEXED(LSB(IDE1_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+1);
+ SMSC_WRITE_INDEXED(0x0c, SMSC_HDCS0_INDEX);
+ SMSC_WRITE_INDEXED(0x00, SMSC_HDCS1_INDEX);
+ /* select the interrupt */
+ SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_IDE1, SMSC_PRIMARY_INT_INDEX);
+
+ /* Select the IDE#2 device */
+ SMSC_WRITE_INDEXED(SMSC_IDE2_DEVICE, SMCS_LOGICAL_DEV_INDEX);
+ /* enable it */
+ SMSC_WRITE_INDEXED(1, SMSC_ACTIVATE_INDEX);
+ /* program with port addresses */
+ SMSC_WRITE_INDEXED(MSB(IDE2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+0);
+ SMSC_WRITE_INDEXED(LSB(IDE2_PRIMARY_BASE), SMSC_PRIMARY_BASE_INDEX+1);
+ SMSC_WRITE_INDEXED(MSB(IDE2_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+0);
+ SMSC_WRITE_INDEXED(LSB(IDE2_SECONDARY_BASE), SMSC_SECONDARY_BASE_INDEX+1);
+ /* select the interrupt */
+ SMSC_WRITE_INDEXED(MICRODEV_FPGA_IRQ_IDE2, SMSC_PRIMARY_INT_INDEX);
+
+ /* Select the configuration registers */
+ SMSC_WRITE_INDEXED(SMSC_CONFIG_REGISTERS, SMCS_LOGICAL_DEV_INDEX);
+ /* enable the appropriate GPIO pins for IDE functionality:
+ * bit[0] In/Out 1==input; 0==output
+ * bit[1] Polarity 1==invert; 0==no invert
+ * bit[2] Int Enb #1 1==Enable Combined IRQ #1; 0==disable
+ * bit[3:4] Function Select 00==original; 01==Alternate Function #1
+ */
+ SMSC_WRITE_INDEXED(0x00, 0xc2); /* GP42 = nIDE1_OE */
+ SMSC_WRITE_INDEXED(0x01, 0xc5); /* GP45 = IDE1_IRQ */
+ SMSC_WRITE_INDEXED(0x00, 0xc6); /* GP46 = nIOROP */
+ SMSC_WRITE_INDEXED(0x00, 0xc7); /* GP47 = nIOWOP */
+ SMSC_WRITE_INDEXED(0x08, 0xe8); /* GP20 = nIDE2_OE */
+
+ /* Exit the configuraton state */
+ outb(SMSC_EXIT_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
+
+ return 0;
+}
+
+
+/* This is grotty, but, because kernel is always referenced on the link line
+ * before any devices, this is safe.
+ */
+__initcall(smsc_superio_setup);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 15:59:20 +0000