summaryrefslogtreecommitdiff
path: root/arch/sh/boards/sh2000/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/sh2000/setup.c')
-rw-r--r--arch/sh/boards/sh2000/setup.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/sh/boards/sh2000/setup.c b/arch/sh/boards/sh2000/setup.c
new file mode 100644
index 000000000000..a290b1d09fb2
--- /dev/null
+++ b/arch/sh/boards/sh2000/setup.c
@@ -0,0 +1,71 @@
+/*
+ * linux/arch/sh/kernel/setup_sh2000.c
+ *
+ * Copyright (C) 2001 SUGIOKA Tochinobu
+ *
+ * SH-2000 Support.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/io.h>
+#include <asm/machvec.h>
+#include <asm/mach/sh2000.h>
+
+#define CF_CIS_BASE 0xb4200000
+
+#define PORT_PECR 0xa4000108
+#define PORT_PHCR 0xa400010E
+#define PORT_ICR1 0xa4000010
+#define PORT_IRR0 0xa4000004
+
+#define IDE_OFFSET 0xb6200000
+#define NIC_OFFSET 0xb6000000
+#define EXTBUS_OFFSET 0xba000000
+
+
+const char *get_system_type(void)
+{
+ return "sh2000";
+}
+
+static unsigned long sh2000_isa_port2addr(unsigned long offset)
+{
+ if((offset & ~7) == 0x1f0 || offset == 0x3f6)
+ return IDE_OFFSET + offset;
+ else if((offset & ~0x1f) == 0x300)
+ return NIC_OFFSET + offset;
+ return EXTBUS_OFFSET + offset;
+}
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_sh2000 __initmv = {
+ .mv_nr_irqs = 80,
+ .mv_isa_port2addr = sh2000_isa_port2addr,
+};
+ALIAS_MV(sh2000)
+
+/*
+ * Initialize the board
+ */
+int __init platform_setup(void)
+{
+ /* XXX: RTC setting comes here */
+
+ /* These should be done by BIOS/IPL ... */
+ /* Enable nCE2A, nCE2B output */
+ ctrl_outw(ctrl_inw(PORT_PECR) & ~0xf00, PORT_PECR);
+ /* Enable the Compact Flash card, and set the level interrupt */
+ ctrl_outw(0x0042, CF_CIS_BASE+0x0200);
+ /* Enable interrupt */
+ ctrl_outw(ctrl_inw(PORT_PHCR) & ~0x03f3, PORT_PHCR);
+ ctrl_outw(1, PORT_ICR1);
+ ctrl_outw(ctrl_inw(PORT_IRR0) & ~0xff3f, PORT_IRR0);
+ printk(KERN_INFO "SH-2000 Setup...done\n");
+ return 0;
+}