summaryrefslogtreecommitdiff
path: root/arch/arm/mach-sa1100/include/mach/ide.h
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 16:14:15 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 09:55:48 +0100
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-sa1100/include/mach/ide.h
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/ide.h')
-rw-r--r--arch/arm/mach-sa1100/include/mach/ide.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/ide.h b/arch/arm/mach-sa1100/include/mach/ide.h
new file mode 100644
index 000000000000..4c99c8f5e617
--- /dev/null
+++ b/arch/arm/mach-sa1100/include/mach/ide.h
@@ -0,0 +1,75 @@
+/*
+ * arch/arm/mach-sa1100/include/mach/ide.h
+ *
+ * Copyright (c) 1998 Hugo Fiennes & Nicolas Pitre
+ *
+ * 18-aug-2000: Cleanup by Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ * Get rid of the special ide_init_hwif_ports() functions
+ * and make a generalised function that can be used by all
+ * architectures.
+ */
+
+#include <asm/irq.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+
+#error "This code is broken and needs update to match with current ide support"
+
+
+/*
+ * Set up a hw structure for a specified data port, control port and IRQ.
+ * This should follow whatever the default interface uses.
+ */
+static inline void ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
+ unsigned long ctrl_port, int *irq)
+{
+ unsigned long reg = data_port;
+ int i;
+ int regincr = 1;
+
+ /* The Empeg board has the first two address lines unused */
+ if (machine_is_empeg())
+ regincr = 1 << 2;
+
+ /* The LART doesn't use A0 for IDE */
+ if (machine_is_lart())
+ regincr = 1 << 1;
+
+ memset(hw, 0, sizeof(*hw));
+
+ for (i = 0; i <= 7; i++) {
+ hw->io_ports_array[i] = reg;
+ reg += regincr;
+ }
+
+ hw->io_ports.ctl_addr = ctrl_port;
+
+ if (irq)
+ *irq = 0;
+}
+
+/*
+ * This registers the standard ports for this architecture with the IDE
+ * driver.
+ */
+static __inline__ void
+ide_init_default_hwifs(void)
+{
+ if (machine_is_lart()) {
+#ifdef CONFIG_SA1100_LART
+ hw_regs_t hw;
+
+ /* Enable GPIO as interrupt line */
+ GPDR &= ~LART_GPIO_IDE;
+ set_irq_type(LART_IRQ_IDE, IRQ_TYPE_EDGE_RISING);
+
+ /* set PCMCIA interface timing */
+ MECR = 0x00060006;
+
+ /* init the interface */
+ ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x0000, PCMCIA_IO_0_BASE + 0x1000, NULL);
+ hw.irq = LART_IRQ_IDE;
+ ide_register_hw(&hw);
+#endif
+ }
+}