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authoriap10@labyrinth.cl.cam.ac.uk <iap10@labyrinth.cl.cam.ac.uk>2003-02-24 16:55:07 +0000
committeriap10@labyrinth.cl.cam.ac.uk <iap10@labyrinth.cl.cam.ac.uk>2003-02-24 16:55:07 +0000
commita48212cb65e09669ed243581556529681cebba0a (patch)
treea58f47e4764f343db87eba48d17ce9b2ddbf8047 /old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h
parent96ce9e11d148a721557d48ed5a8ca7857a7bc937 (diff)
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bitkeeper revision 1.93 (3e5a4e6bkPheUp3x1uufN2MS3LAB7A)
Latest and Greatest version of XenoLinux based on the Linux-2.4.21-pre4 kernel.
Diffstat (limited to 'old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h')
-rw-r--r--old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h
new file mode 100644
index 0000000000..6ac787665c
--- /dev/null
+++ b/old/xenolinux-2.4.16-sparse/include/asm-xeno/ide.h
@@ -0,0 +1,116 @@
+/*
+ * linux/include/asm-i386/ide.h
+ *
+ * Copyright (C) 1994-1996 Linus Torvalds & authors
+ */
+
+/*
+ * This file contains the i386 architecture specific IDE code.
+ */
+
+#ifndef __ASMi386_IDE_H
+#define __ASMi386_IDE_H
+
+#ifdef __KERNEL__
+
+#include <linux/config.h>
+
+#ifndef MAX_HWIFS
+# ifdef CONFIG_BLK_DEV_IDEPCI
+#define MAX_HWIFS 10
+# else
+#define MAX_HWIFS 6
+# endif
+#endif
+
+#define ide__sti() __sti()
+
+static __inline__ int ide_default_irq(ide_ioreg_t base)
+{
+ switch (base) {
+ case 0x1f0: return 14;
+ case 0x170: return 15;
+ case 0x1e8: return 11;
+ case 0x168: return 10;
+ case 0x1e0: return 8;
+ case 0x160: return 12;
+ default:
+ return 0;
+ }
+}
+
+static __inline__ ide_ioreg_t ide_default_io_base(int index)
+{
+ switch (index) {
+ case 0: return 0x1f0;
+ case 1: return 0x170;
+ case 2: return 0x1e8;
+ case 3: return 0x168;
+ case 4: return 0x1e0;
+ case 5: return 0x160;
+ default:
+ return 0;
+ }
+}
+
+static __inline__ void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq)
+{
+ ide_ioreg_t reg = data_port;
+ int i;
+
+ for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
+ hw->io_ports[i] = reg;
+ reg += 1;
+ }
+ if (ctrl_port) {
+ hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
+ } else {
+ hw->io_ports[IDE_CONTROL_OFFSET] = hw->io_ports[IDE_DATA_OFFSET] + 0x206;
+ }
+ if (irq != NULL)
+ *irq = 0;
+ hw->io_ports[IDE_IRQ_OFFSET] = 0;
+}
+
+static __inline__ void ide_init_default_hwifs(void)
+{
+#ifndef CONFIG_BLK_DEV_IDEPCI
+ hw_regs_t hw;
+ int index;
+
+ for(index = 0; index < MAX_HWIFS; index++) {
+ ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
+ hw.irq = ide_default_irq(ide_default_io_base(index));
+ ide_register_hw(&hw, NULL);
+ }
+#endif /* CONFIG_BLK_DEV_IDEPCI */
+}
+
+typedef union {
+ unsigned all : 8; /* all of the bits together */
+ struct {
+ unsigned head : 4; /* always zeros here */
+ unsigned unit : 1; /* drive select number, 0 or 1 */
+ unsigned bit5 : 1; /* always 1 */
+ unsigned lba : 1; /* using LBA instead of CHS */
+ unsigned bit7 : 1; /* always 1 */
+ } b;
+ } select_t;
+
+#define ide_request_irq(irq,hand,flg,dev,id) request_irq((irq),(hand),(flg),(dev),(id))
+#define ide_free_irq(irq,dev_id) free_irq((irq), (dev_id))
+#define ide_check_region(from,extent) check_region((from), (extent))
+#define ide_request_region(from,extent,name) request_region((from), (extent), (name))
+#define ide_release_region(from,extent) release_region((from), (extent))
+
+/*
+ * The following are not needed for the non-m68k ports
+ */
+#define ide_ack_intr(hwif) (1)
+#define ide_fix_driveid(id) do {} while (0)
+#define ide_release_lock(lock) do {} while (0)
+#define ide_get_lock(lock, hdlr, data) do {} while (0)
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASMi386_IDE_H */