sam: add IDE definitions

diff --git a/Kernel/platform-sam/platform_ide.h b/Kernel/platform-sam/platform_ide.h
new file mode 100644 (file)
index 0000000..5d24fca
--- /dev/null
+++ b/Kernel/platform-sam/platform_ide.h
@@ -0,0 +1,27 @@
+#define ide_select(x)
+#define ide_deselect(x)
+
+/* The numbers here look a bit weird because of the way the
+   device is mapped to one Z80 port with the address high bits
+   controlling what is accessed */
+
+#define IDE_8BIT_ONLY          /* Worry about the big Atom later */
+
+#define IDE_REG_DATA_R         0x00F6
+#define        IDE_REG_DATA            IDE_REG_DATA_R
+#define IDE_REG_DATA_W         0x00F7
+#define IDE_REG_ERROR          0x01F6
+#define IDE_REG_FEATURES       0x01F7
+#define IDE_REG_SEC_COUNT      0x02F7
+#define        IDE_REG_LBA_0           0x03F7
+#define IDE_REG_LBA_1          0x04F7
+#define IDE_REG_LBA_2          0x05F7
+#define IDE_REG_LBA_3          0x06F7
+#define IDE_REG_DEVHEAD                0x06F7
+#define IDE_REG_STATUS         0x07F6
+#define IDE_REG_COMMAND                0x07F7
+
+/* 0xF5 bit 5 is a reset pin, setting it low resets, then set back high. We
+   don't have a way to expose this to the IDE layer yet - FIXME */
+
+#define IDE_NONSTANDARD_XFER