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-rw-r--r--arch/sh/boards/snapgear/Makefile6
-rw-r--r--arch/sh/boards/snapgear/io.c226
-rw-r--r--arch/sh/boards/snapgear/rtc.c333
-rw-r--r--arch/sh/boards/snapgear/setup.c216
4 files changed, 781 insertions, 0 deletions
diff --git a/arch/sh/boards/snapgear/Makefile b/arch/sh/boards/snapgear/Makefile
new file mode 100644
index 0000000..59fc976
--- /dev/null
+++ b/arch/sh/boards/snapgear/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for the SnapGear specific parts of the kernel
+#
+
+obj-y := setup.o io.o rtc.o
+
diff --git a/arch/sh/boards/snapgear/io.c b/arch/sh/boards/snapgear/io.c
new file mode 100644
index 0000000..e2eb78f
--- /dev/null
+++ b/arch/sh/boards/snapgear/io.c
@@ -0,0 +1,226 @@
+/*
+ * linux/arch/sh/kernel/io_7751se.c
+ *
+ * Copyright (C) 2002 David McCullough <davidm@snapgear.com>
+ * Copyright (C) 2001 Ian da Silva, Jeremy Siegel
+ * Based largely on io_se.c.
+ *
+ * I/O routine for Hitachi 7751 SolutionEngine.
+ *
+ * Initial version only to support LAN access; some
+ * placeholder code from io_se.c left in with the
+ * expectation of later SuperIO and PCMCIA access.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <asm/addrspace.h>
+
+#include <asm/pci.h>
+#include "../../drivers/pci/pci-sh7751.h"
+
+#ifdef CONFIG_SH_SECUREEDGE5410
+unsigned short secureedge5410_ioport;
+#endif
+
+/*
+ * The SnapGear uses the built-in PCI controller (PCIC)
+ * of the 7751 processor
+ */
+
+#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR)
+#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR)
+#define PCI_IO_AREA SH7751_PCI_IO_BASE
+#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE
+
+
+#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK))
+
+
+#define maybebadio(name,port) \
+ printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
+ #name, (port), (__u32) __builtin_return_address(0))
+
+
+static inline void delay(void)
+{
+ ctrl_inw(0xa0000000);
+}
+
+
+static inline volatile __u16 *port2adr(unsigned int port)
+{
+#if 0
+ if (port >= 0x2000)
+ return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
+#endif
+ maybebadio(name,(unsigned long)port);
+ return (volatile __u16*)port;
+}
+
+
+/* In case someone configures the kernel w/o PCI support: in that */
+/* scenario, don't ever bother to check for PCI-window addresses */
+
+/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */
+#if defined(CONFIG_PCI)
+#define CHECK_SH7751_PCIIO(port) \
+ ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE)))
+#else
+#define CHECK_SH7751_PCIIO(port) (0)
+#endif
+
+/*
+ * General outline: remap really low stuff [eventually] to SuperIO,
+ * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
+ * is mapped through the PCI IO window. Stuff with high bits (PXSEG)
+ * should be way beyond the window, and is used w/o translation for
+ * compatibility.
+ */
+
+unsigned char snapgear_inb(unsigned long port)
+{
+ if (PXSEG(port))
+ return *(volatile unsigned char *)port;
+ else if (CHECK_SH7751_PCIIO(port))
+ return *(volatile unsigned char *)PCI_IOMAP(port);
+ else
+ return (*port2adr(port))&0xff;
+}
+
+
+unsigned char snapgear_inb_p(unsigned long port)
+{
+ unsigned char v;
+
+ if (PXSEG(port))
+ v = *(volatile unsigned char *)port;
+ else if (CHECK_SH7751_PCIIO(port))
+ v = *(volatile unsigned char *)PCI_IOMAP(port);
+ else
+ v = (*port2adr(port))&0xff;
+ delay();
+ return v;
+}
+
+
+unsigned short snapgear_inw(unsigned long port)
+{
+ if (PXSEG(port))
+ return *(volatile unsigned short *)port;
+ else if (CHECK_SH7751_PCIIO(port))
+ return *(volatile unsigned short *)PCI_IOMAP(port);
+ else if (port >= 0x2000)
+ return *port2adr(port);
+ else
+ maybebadio(inw, port);
+ return 0;
+}
+
+
+unsigned int snapgear_inl(unsigned long port)
+{
+ if (PXSEG(port))
+ return *(volatile unsigned long *)port;
+ else if (CHECK_SH7751_PCIIO(port))
+ return *(volatile unsigned int *)PCI_IOMAP(port);
+ else if (port >= 0x2000)
+ return *port2adr(port);
+ else
+ maybebadio(inl, port);
+ return 0;
+}
+
+
+void snapgear_outb(unsigned char value, unsigned long port)
+{
+
+ if (PXSEG(port))
+ *(volatile unsigned char *)port = value;
+ else if (CHECK_SH7751_PCIIO(port))
+ *((unsigned char*)PCI_IOMAP(port)) = value;
+ else
+ *(port2adr(port)) = value;
+}
+
+
+void snapgear_outb_p(unsigned char value, unsigned long port)
+{
+ if (PXSEG(port))
+ *(volatile unsigned char *)port = value;
+ else if (CHECK_SH7751_PCIIO(port))
+ *((unsigned char*)PCI_IOMAP(port)) = value;
+ else
+ *(port2adr(port)) = value;
+ delay();
+}
+
+
+void snapgear_outw(unsigned short value, unsigned long port)
+{
+ if (PXSEG(port))
+ *(volatile unsigned short *)port = value;
+ else if (CHECK_SH7751_PCIIO(port))
+ *((unsigned short *)PCI_IOMAP(port)) = value;
+ else if (port >= 0x2000)
+ *port2adr(port) = value;
+ else
+ maybebadio(outw, port);
+}
+
+
+void snapgear_outl(unsigned int value, unsigned long port)
+{
+ if (PXSEG(port))
+ *(volatile unsigned long *)port = value;
+ else if (CHECK_SH7751_PCIIO(port))
+ *((unsigned long*)PCI_IOMAP(port)) = value;
+ else
+ maybebadio(outl, port);
+}
+
+void snapgear_insl(unsigned long port, void *addr, unsigned long count)
+{
+ maybebadio(insl, port);
+}
+
+void snapgear_outsl(unsigned long port, const void *addr, unsigned long count)
+{
+ maybebadio(outsw, port);
+}
+
+/* Map ISA bus address to the real address. Only for PCMCIA. */
+
+
+/* ISA page descriptor. */
+static __u32 sh_isa_memmap[256];
+
+
+#if 0
+static int sh_isa_mmap(__u32 start, __u32 length, __u32 offset)
+{
+ int idx;
+
+ if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000))
+ return -1;
+
+ idx = start >> 12;
+ sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff);
+#if 0
+ printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n",
+ start, length, offset, idx, sh_isa_memmap[idx]);
+#endif
+ return 0;
+}
+#endif
+
+unsigned long snapgear_isa_port2addr(unsigned long offset)
+{
+ int idx;
+
+ idx = (offset >> 12) & 0xff;
+ offset &= 0xfff;
+ return sh_isa_memmap[idx] + offset;
+}
diff --git a/arch/sh/boards/snapgear/rtc.c b/arch/sh/boards/snapgear/rtc.c
new file mode 100644
index 0000000..b71e009
--- /dev/null
+++ b/arch/sh/boards/snapgear/rtc.c
@@ -0,0 +1,333 @@
+/****************************************************************************/
+/*
+ * linux/arch/sh/boards/snapgear/rtc.c -- Secureedge5410 RTC code
+ *
+ * Copyright (C) 2002 David McCullough <davidm@snapgear.com>
+ * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
+ *
+ * The SecureEdge5410 can have one of 2 real time clocks, the SH
+ * built in version or the preferred external DS1302. Here we work out
+ * each to see what we have and then run with it.
+ */
+/****************************************************************************/
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/time.h>
+#include <linux/rtc.h>
+#include <linux/mc146818rtc.h>
+
+#include <asm/io.h>
+#include <asm/rtc.h>
+#include <asm/mc146818rtc.h>
+
+/****************************************************************************/
+
+static int use_ds1302 = 0;
+
+/****************************************************************************/
+/*
+ * we need to implement a DS1302 driver here that can operate in
+ * conjunction with the builtin rtc driver which is already quite friendly
+ */
+/*****************************************************************************/
+
+#define RTC_CMD_READ 0x81 /* Read command */
+#define RTC_CMD_WRITE 0x80 /* Write command */
+
+#define RTC_ADDR_YEAR 0x06 /* Address of year register */
+#define RTC_ADDR_DAY 0x05 /* Address of day of week register */
+#define RTC_ADDR_MON 0x04 /* Address of month register */
+#define RTC_ADDR_DATE 0x03 /* Address of day of month register */
+#define RTC_ADDR_HOUR 0x02 /* Address of hour register */
+#define RTC_ADDR_MIN 0x01 /* Address of minute register */
+#define RTC_ADDR_SEC 0x00 /* Address of second register */
+
+#define RTC_RESET 0x1000
+#define RTC_IODATA 0x0800
+#define RTC_SCLK 0x0400
+
+#define set_dirp(x)
+#define get_dirp(x) 0
+#define set_dp(x) SECUREEDGE_WRITE_IOPORT(x, 0x1c00)
+#define get_dp(x) SECUREEDGE_READ_IOPORT()
+
+static void ds1302_sendbits(unsigned int val)
+{
+ int i;
+
+ for (i = 8; (i); i--, val >>= 1) {
+ set_dp((get_dp() & ~RTC_IODATA) | ((val & 0x1) ? RTC_IODATA : 0));
+ set_dp(get_dp() | RTC_SCLK); // clock high
+ set_dp(get_dp() & ~RTC_SCLK); // clock low
+ }
+}
+
+static unsigned int ds1302_recvbits(void)
+{
+ unsigned int val;
+ int i;
+
+ for (i = 0, val = 0; (i < 8); i++) {
+ val |= (((get_dp() & RTC_IODATA) ? 1 : 0) << i);
+ set_dp(get_dp() | RTC_SCLK); // clock high
+ set_dp(get_dp() & ~RTC_SCLK); // clock low
+ }
+ return(val);
+}
+
+static unsigned int ds1302_readbyte(unsigned int addr)
+{
+ unsigned int val;
+ unsigned long flags;
+
+#if 0
+ printk("SnapGear RTC: ds1302_readbyte(addr=%x)\n", addr);
+#endif
+
+ local_irq_save(flags);
+ set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK);
+ set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
+
+ set_dp(get_dp() | RTC_RESET);
+ ds1302_sendbits(((addr & 0x3f) << 1) | RTC_CMD_READ);
+ set_dirp(get_dirp() & ~RTC_IODATA);
+ val = ds1302_recvbits();
+ set_dp(get_dp() & ~RTC_RESET);
+ local_irq_restore(flags);
+
+ return(val);
+}
+
+static void ds1302_writebyte(unsigned int addr, unsigned int val)
+{
+ unsigned long flags;
+
+#if 0
+ printk("SnapGear RTC: ds1302_writebyte(addr=%x)\n", addr);
+#endif
+
+ local_irq_save(flags);
+ set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK);
+ set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
+ set_dp(get_dp() | RTC_RESET);
+ ds1302_sendbits(((addr & 0x3f) << 1) | RTC_CMD_WRITE);
+ ds1302_sendbits(val);
+ set_dp(get_dp() & ~RTC_RESET);
+ local_irq_restore(flags);
+}
+
+static void ds1302_reset(void)
+{
+ unsigned long flags;
+ /* Hardware dependant reset/init */
+ local_irq_save(flags);
+ set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK);
+ set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
+ local_irq_restore(flags);
+}
+
+/*****************************************************************************/
+
+static inline int bcd2int(int val)
+{
+ return((((val & 0xf0) >> 4) * 10) + (val & 0xf));
+}
+
+static inline int int2bcd(int val)
+{
+ return(((val / 10) << 4) + (val % 10));
+}
+
+/*****************************************************************************/
+/*
+ * Write and Read some RAM in the DS1302, if it works assume it's there
+ * Otherwise use the SH4 internal RTC
+ */
+
+void snapgear_rtc_gettimeofday(struct timespec *);
+int snapgear_rtc_settimeofday(const time_t);
+
+void __init secureedge5410_rtc_init(void)
+{
+ unsigned char *test = "snapgear";
+ int i;
+
+ ds1302_reset();
+
+ use_ds1302 = 1;
+
+ for (i = 0; test[i]; i++)
+ ds1302_writebyte(32 + i, test[i]);
+
+ for (i = 0; test[i]; i++)
+ if (ds1302_readbyte(32 + i) != test[i]) {
+ use_ds1302 = 0;
+ break;
+ }
+
+ if (use_ds1302) {
+ rtc_get_time = snapgear_rtc_gettimeofday;
+ rtc_set_time = snapgear_rtc_settimeofday;
+ } else {
+ rtc_get_time = sh_rtc_gettimeofday;
+ rtc_set_time = sh_rtc_settimeofday;
+ }
+
+ printk("SnapGear RTC: using %s rtc.\n", use_ds1302 ? "ds1302" : "internal");
+}
+
+/****************************************************************************/
+/*
+ * our generic interface that chooses the correct code to use
+ */
+
+void snapgear_rtc_gettimeofday(struct timespec *ts)
+{
+ unsigned int sec, min, hr, day, mon, yr;
+
+ if (!use_ds1302) {
+ sh_rtc_gettimeofday(ts);
+ return;
+ }
+
+ sec = bcd2int(ds1302_readbyte(RTC_ADDR_SEC));
+ min = bcd2int(ds1302_readbyte(RTC_ADDR_MIN));
+ hr = bcd2int(ds1302_readbyte(RTC_ADDR_HOUR));
+ day = bcd2int(ds1302_readbyte(RTC_ADDR_DATE));
+ mon = bcd2int(ds1302_readbyte(RTC_ADDR_MON));
+ yr = bcd2int(ds1302_readbyte(RTC_ADDR_YEAR));
+
+bad_time:
+ if (yr > 99 || mon < 1 || mon > 12 || day > 31 || day < 1 ||
+ hr > 23 || min > 59 || sec > 59) {
+ printk(KERN_ERR
+ "SnapGear RTC: invalid value, resetting to 1 Jan 2000\n");
+ ds1302_writebyte(RTC_ADDR_MIN, min = 0);
+ ds1302_writebyte(RTC_ADDR_HOUR, hr = 0);
+ ds1302_writebyte(RTC_ADDR_DAY, 7);
+ ds1302_writebyte(RTC_ADDR_DATE, day = 1);
+ ds1302_writebyte(RTC_ADDR_MON, mon = 1);
+ ds1302_writebyte(RTC_ADDR_YEAR, yr = 0);
+ ds1302_writebyte(RTC_ADDR_SEC, sec = 0);
+ }
+
+ ts->tv_sec = mktime(2000 + yr, mon, day, hr, min, sec);
+ if (ts->tv_sec < 0) {
+#if 0
+ printk("BAD TIME %d %d %d %d %d %d\n", yr, mon, day, hr, min, sec);
+#endif
+ yr = 100;
+ goto bad_time;
+ }
+ ts->tv_nsec = 0;
+}
+
+int snapgear_rtc_settimeofday(const time_t secs)
+{
+ int retval = 0;
+ int real_seconds, real_minutes, cmos_minutes;
+ unsigned long nowtime;
+
+ if (!use_ds1302)
+ return sh_rtc_settimeofday(secs);
+
+/*
+ * This is called direct from the kernel timer handling code.
+ * It is supposed to synchronize the kernel clock to the RTC.
+ */
+
+ nowtime = secs;
+
+#if 1
+ printk("SnapGear RTC: snapgear_rtc_settimeofday(nowtime=%ld)\n", nowtime);
+#endif
+
+ /* STOP RTC */
+ ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) | 0x80);
+
+ cmos_minutes = bcd2int(ds1302_readbyte(RTC_ADDR_MIN));
+
+ /*
+ * since we're only adjusting minutes and seconds,
+ * don't interfere with hour overflow. This avoids
+ * messing with unknown time zones but requires your
+ * RTC not to be off by more than 15 minutes
+ */
+ real_seconds = nowtime % 60;
+ real_minutes = nowtime / 60;
+ if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)
+ real_minutes += 30; /* correct for half hour time zone */
+ real_minutes %= 60;
+
+ if (abs(real_minutes - cmos_minutes) < 30) {
+ ds1302_writebyte(RTC_ADDR_MIN, int2bcd(real_minutes));
+ ds1302_writebyte(RTC_ADDR_SEC, int2bcd(real_seconds));
+ } else {
+ printk(KERN_WARNING
+ "SnapGear RTC: can't update from %d to %d\n",
+ cmos_minutes, real_minutes);
+ retval = -1;
+ }
+
+ /* START RTC */
+ ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) & ~0x80);
+ return(0);
+}
+
+unsigned char secureedge5410_cmos_read(int addr)
+{
+ unsigned char val = 0;
+
+ if (!use_ds1302)
+ return(__CMOS_READ(addr, w));
+
+ switch(addr) {
+ case RTC_SECONDS: val = ds1302_readbyte(RTC_ADDR_SEC); break;
+ case RTC_SECONDS_ALARM: break;
+ case RTC_MINUTES: val = ds1302_readbyte(RTC_ADDR_MIN); break;
+ case RTC_MINUTES_ALARM: break;
+ case RTC_HOURS: val = ds1302_readbyte(RTC_ADDR_HOUR); break;
+ case RTC_HOURS_ALARM: break;
+ case RTC_DAY_OF_WEEK: val = ds1302_readbyte(RTC_ADDR_DAY); break;
+ case RTC_DAY_OF_MONTH: val = ds1302_readbyte(RTC_ADDR_DATE); break;
+ case RTC_MONTH: val = ds1302_readbyte(RTC_ADDR_MON); break;
+ case RTC_YEAR: val = ds1302_readbyte(RTC_ADDR_YEAR); break;
+ case RTC_REG_A: /* RTC_FREQ_SELECT */ break;
+ case RTC_REG_B: /* RTC_CONTROL */ break;
+ case RTC_REG_C: /* RTC_INTR_FLAGS */ break;
+ case RTC_REG_D: val = RTC_VRT /* RTC_VALID */; break;
+ default: break;
+ }
+
+ return(val);
+}
+
+void secureedge5410_cmos_write(unsigned char val, int addr)
+{
+ if (!use_ds1302) {
+ __CMOS_WRITE(val, addr, w);
+ return;
+ }
+
+ switch(addr) {
+ case RTC_SECONDS: ds1302_writebyte(RTC_ADDR_SEC, val); break;
+ case RTC_SECONDS_ALARM: break;
+ case RTC_MINUTES: ds1302_writebyte(RTC_ADDR_MIN, val); break;
+ case RTC_MINUTES_ALARM: break;
+ case RTC_HOURS: ds1302_writebyte(RTC_ADDR_HOUR, val); break;
+ case RTC_HOURS_ALARM: break;
+ case RTC_DAY_OF_WEEK: ds1302_writebyte(RTC_ADDR_DAY, val); break;
+ case RTC_DAY_OF_MONTH: ds1302_writebyte(RTC_ADDR_DATE, val); break;
+ case RTC_MONTH: ds1302_writebyte(RTC_ADDR_MON, val); break;
+ case RTC_YEAR: ds1302_writebyte(RTC_ADDR_YEAR, val); break;
+ case RTC_REG_A: /* RTC_FREQ_SELECT */ break;
+ case RTC_REG_B: /* RTC_CONTROL */ break;
+ case RTC_REG_C: /* RTC_INTR_FLAGS */ break;
+ case RTC_REG_D: /* RTC_VALID */ break;
+ default: break;
+ }
+}
+
+/****************************************************************************/
diff --git a/arch/sh/boards/snapgear/setup.c b/arch/sh/boards/snapgear/setup.c
new file mode 100644
index 0000000..08fc983
--- /dev/null
+++ b/arch/sh/boards/snapgear/setup.c
@@ -0,0 +1,216 @@
+/****************************************************************************/
+/*
+ * linux/arch/sh/boards/snapgear/setup.c
+ *
+ * Copyright (C) 2002 David McCullough <davidm@snapgear.com>
+ * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
+ *
+ * Based on files with the following comments:
+ *
+ * Copyright (C) 2000 Kazumoto Kojima
+ *
+ * Modified for 7751 Solution Engine by
+ * Ian da Silva and Jeremy Siegel, 2001.
+ */
+/****************************************************************************/
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+
+#include <asm/machvec.h>
+#include <asm/mach/io.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/cpu/timer.h>
+
+extern void (*board_time_init)(void);
+extern void secureedge5410_rtc_init(void);
+extern void pcibios_init(void);
+
+/****************************************************************************/
+/*
+ * EraseConfig handling functions
+ */
+
+static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ volatile char dummy __attribute__((unused)) = * (volatile char *) 0xb8000000;
+
+ printk("SnapGear: erase switch interrupt!\n");
+
+ return IRQ_HANDLED;
+}
+
+static int __init eraseconfig_init(void)
+{
+ printk("SnapGear: EraseConfig init\n");
+ /* Setup "EraseConfig" switch on external IRQ 0 */
+ if (request_irq(IRL0_IRQ, eraseconfig_interrupt, SA_INTERRUPT,
+ "Erase Config", NULL))
+ printk("SnapGear: failed to register IRQ%d for Reset witch\n",
+ IRL0_IRQ);
+ else
+ printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
+ IRL0_IRQ);
+ return(0);
+}
+
+module_init(eraseconfig_init);
+
+/****************************************************************************/
+/*
+ * Initialize IRQ setting
+ *
+ * IRL0 = erase switch
+ * IRL1 = eth0
+ * IRL2 = eth1
+ * IRL3 = crypto
+ */
+
+static void __init init_snapgear_IRQ(void)
+{
+ /* enable individual interrupt mode for externals */
+ ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
+
+ printk("Setup SnapGear IRQ/IPR ...\n");
+
+ make_ipr_irq(IRL0_IRQ, IRL0_IPR_ADDR, IRL0_IPR_POS, IRL0_PRIORITY);
+ make_ipr_irq(IRL1_IRQ, IRL1_IPR_ADDR, IRL1_IPR_POS, IRL1_PRIORITY);
+ make_ipr_irq(IRL2_IRQ, IRL2_IPR_ADDR, IRL2_IPR_POS, IRL2_PRIORITY);
+ make_ipr_irq(IRL3_IRQ, IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY);
+}
+
+/****************************************************************************/
+/*
+ * Fast poll interrupt simulator.
+ */
+
+/*
+ * Leave all of the fast timer/fast poll stuff commented out for now, since
+ * it's not clear whether it actually works or not. Since it wasn't being used
+ * at all in 2.4, we'll assume it's not sane for 2.6 either.. -- PFM
+ */
+#if 0
+#define FAST_POLL 1000
+//#define FAST_POLL_INTR
+
+#define FASTTIMER_IRQ 17
+#define FASTTIMER_IPR_ADDR INTC_IPRA
+#define FASTTIMER_IPR_POS 2
+#define FASTTIMER_PRIORITY 3
+
+#ifdef FAST_POLL_INTR
+#define TMU1_TCR_INIT 0x0020
+#else
+#define TMU1_TCR_INIT 0
+#endif
+#define TMU_TSTR_INIT 1
+#define TMU1_TCR_CALIB 0x0000
+
+
+#ifdef FAST_POLL_INTR
+static void fast_timer_irq(int irq, void *dev_instance, struct pt_regs *regs)
+{
+ unsigned long timer_status;
+ timer_status = ctrl_inw(TMU1_TCR);
+ timer_status &= ~0x100;
+ ctrl_outw(timer_status, TMU1_TCR);
+}
+#endif
+
+/*
+ * return the current ticks on the fast timer
+ */
+
+unsigned long fast_timer_count(void)
+{
+ return(ctrl_inl(TMU1_TCNT));
+}
+
+/*
+ * setup a fast timer for profiling etc etc
+ */
+
+static void setup_fast_timer()
+{
+ unsigned long interval;
+
+#ifdef FAST_POLL_INTR
+ interval = (current_cpu_data.module_clock/4 + FAST_POLL/2) / FAST_POLL;
+
+ make_ipr_irq(FASTTIMER_IRQ, FASTTIMER_IPR_ADDR, FASTTIMER_IPR_POS,
+ FASTTIMER_PRIORITY);
+
+ printk("SnapGear: %dHz fast timer on IRQ %d\n",FAST_POLL,FASTTIMER_IRQ);
+
+ if (request_irq(FASTTIMER_IRQ, fast_timer_irq, 0, "SnapGear fast timer",
+ NULL) != 0)
+ printk("%s(%d): request_irq() failed?\n", __FILE__, __LINE__);
+#else
+ printk("SnapGear: fast timer running\n",FAST_POLL,FASTTIMER_IRQ);
+ interval = 0xffffffff;
+#endif
+
+ ctrl_outb(ctrl_inb(TMU_TSTR) & ~0x2, TMU_TSTR); /* disable timer 1 */
+ ctrl_outw(TMU1_TCR_INIT, TMU1_TCR);
+ ctrl_outl(interval, TMU1_TCOR);
+ ctrl_outl(interval, TMU1_TCNT);
+ ctrl_outb(ctrl_inb(TMU_TSTR) | 0x2, TMU_TSTR); /* enable timer 1 */
+
+ printk("Timer count 1 = 0x%x\n", fast_timer_count());
+ udelay(1000);
+ printk("Timer count 2 = 0x%x\n", fast_timer_count());
+}
+#endif
+
+/****************************************************************************/
+
+const char *get_system_type(void)
+{
+ return "SnapGear SecureEdge5410";
+}
+
+/*
+ * The Machine Vector
+ */
+
+struct sh_machine_vector mv_snapgear __initmv = {
+ .mv_nr_irqs = 72,
+
+ .mv_inb = snapgear_inb,
+ .mv_inw = snapgear_inw,
+ .mv_inl = snapgear_inl,
+ .mv_outb = snapgear_outb,
+ .mv_outw = snapgear_outw,
+ .mv_outl = snapgear_outl,
+
+ .mv_inb_p = snapgear_inb_p,
+ .mv_inw_p = snapgear_inw,
+ .mv_inl_p = snapgear_inl,
+ .mv_outb_p = snapgear_outb_p,
+ .mv_outw_p = snapgear_outw,
+ .mv_outl_p = snapgear_outl,
+
+ .mv_isa_port2addr = snapgear_isa_port2addr,
+
+ .mv_init_irq = init_snapgear_IRQ,
+};
+ALIAS_MV(snapgear)
+
+/*
+ * Initialize the board
+ */
+
+int __init platform_setup(void)
+{
+ board_time_init = secureedge5410_rtc_init;
+
+ return 0;
+}
+
generated by cgit v1.1 at 2024-11-11 03:37:17 +0000