1 files changed, 101 insertions, 0 deletions
diff --git a/arch/sh/boards/cqreek/setup.c b/arch/sh/boards/cqreek/setup.c
new file mode 100644
index 00000000000..29b537cd654
--- /dev/null
+++ b/arch/sh/boards/cqreek/setup.c
@@ -0,0 +1,101 @@
+/* $Id: setup.c,v 1.5 2003/08/04 01:51:58 lethal Exp $
+ *
+ * arch/sh/kernel/setup_cqreek.c
+ *
+ * Copyright (C) 2000  Niibe Yutaka
+ *
+ * CqREEK IDE/ISA Bridge Support.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach/cqreek.h>
+#include <asm/machvec.h>
+#include <asm/io.h>
+#include <asm/io_generic.h>
+#include <asm/irq.h>
+#include <asm/rtc.h>
+
+#define IDE_OFFSET 0xA4000000UL
+#define ISA_OFFSET 0xA4A00000UL
+
+const char *get_system_type(void)
+{
+	return "CqREEK";
+}
+
+static unsigned long cqreek_port2addr(unsigned long port)
+{
+	if (0x0000<=port && port<=0x0040)
+		return IDE_OFFSET + port;
+	if ((0x01f0<=port && port<=0x01f7) || port == 0x03f6)
+		return IDE_OFFSET + port;
+
+	return ISA_OFFSET + port;
+}
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_cqreek __initmv = {
+#if defined(CONFIG_CPU_SH4)
+	.mv_nr_irqs		= 48,
+#elif defined(CONFIG_CPU_SUBTYPE_SH7708)
+	.mv_nr_irqs		= 32,
+#elif defined(CONFIG_CPU_SUBTYPE_SH7709)
+	.mv_nr_irqs		= 61,
+#endif
+
+	.mv_init_irq		= init_cqreek_IRQ,
+
+	.mv_isa_port2addr	= cqreek_port2addr,
+};
+ALIAS_MV(cqreek)
+
+/*
+ * Initialize the board
+ */
+void __init platform_setup(void)
+{
+	int i;
+/* udelay is not available at setup time yet... */
+#define DELAY() do {for (i=0; i<10000; i++) ctrl_inw(0xa0000000);} while(0)
+
+	if ((inw (BRIDGE_FEATURE) & 1)) { /* We have IDE interface */
+		outw_p(0, BRIDGE_IDE_INTR_LVL);
+		outw_p(0, BRIDGE_IDE_INTR_MASK);
+
+		outw_p(0, BRIDGE_IDE_CTRL);
+		DELAY();
+
+		outw_p(0x8000, BRIDGE_IDE_CTRL);
+		DELAY();
+
+		outw_p(0xffff, BRIDGE_IDE_INTR_STAT); /* Clear interrupt status */
+		outw_p(0x0f-14, BRIDGE_IDE_INTR_LVL); /* Use 14 IPR */
+		outw_p(1, BRIDGE_IDE_INTR_MASK); /* Enable interrupt */
+		cqreek_has_ide=1;
+	}
+
+	if ((inw (BRIDGE_FEATURE) & 2)) { /* We have ISA interface */
+		outw_p(0, BRIDGE_ISA_INTR_LVL);
+		outw_p(0, BRIDGE_ISA_INTR_MASK);
+
+		outw_p(0, BRIDGE_ISA_CTRL);
+		DELAY();
+		outw_p(0x8000, BRIDGE_ISA_CTRL);
+		DELAY();
+
+		outw_p(0xffff, BRIDGE_ISA_INTR_STAT); /* Clear interrupt status */
+		outw_p(0x0f-10, BRIDGE_ISA_INTR_LVL); /* Use 10 IPR */
+		outw_p(0xfff8, BRIDGE_ISA_INTR_MASK); /* Enable interrupt */
+		cqreek_has_isa=1;
+	}
+
+	printk(KERN_INFO "CqREEK Setup (IDE=%d, ISA=%d)...done\n", cqreek_has_ide, cqreek_has_isa);
+}
+