autoport: Write autoport together with porting guide for sandy/ivybridge.

This should be able to generate bootable ports for sandy/ivy, possible with
minor fixes. Howto is in readme.md

Change-Id: Ia126cf0939ef2dc2cdbb7ea100d2b63ea6b02f28
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7131
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>

1 files changed, 85 insertions, 0 deletions

diff --git a/util/autoport/ec_fixme.go b/util/autoport/ec_fixme.go
new file mode 100644
index 0000000000..589a101a78
--- /dev/null
+++ b/util/autoport/ec_fixme.go
@@ -0,0 +1,85 @@
+package main
+
+import "fmt"
+
+func FIXMEEC(ctx Context) {
+	ap := Create(ctx, "acpi/platform.asl")
+	defer ap.Close()
+
+	hasKeyboard := IsIOPortUsedBy(ctx, 0x60, "keyboard")
+
+	sbGPE := GuessECGPE(ctx)
+	var GPEUnsure bool
+	if sbGPE < 0 {
+		sbGPE = SouthBridge.EncodeGPE(1)
+		GPEUnsure = true
+		SouthBridge.NeedRouteGPIOManually()
+	} else {
+		GPEUnsure = false
+		SouthBridge.EnableGPE(SouthBridge.DecodeGPE(sbGPE))
+	}
+
+	ap.WriteString(
+		`Method(_WAK,1)
+{
+        /* FIXME: EC support  */
+	Return(Package(){0,0})
+}
+
+Method(_PTS,1)
+{
+        /* FIXME: EC support  */
+}
+`)
+
+	ecs := ctx.InfoSource.GetEC()
+	MainboardIncludes = append(MainboardIncludes, "ec/acpi/ec.h")
+
+	MainboardInit +=
+		`	/* FIXME: trim this down or remove if necessary */
+	{
+		int i;
+		const u8 dmp[256] = {`
+	for i := 0; i < 0x100; i++ {
+		if (i & 0xf) == 0 {
+			MainboardInit += fmt.Sprintf("\n\t\t\t/* %02x */ ", i)
+		}
+		MainboardInit += fmt.Sprintf("0x%02x,", ecs[i])
+		if (i & 0xf) != 0xf {
+			MainboardInit += " "
+		}
+	}
+	MainboardInit += "\n\t\t};\n"
+	MainboardInit += `
+		printk(BIOS_DEBUG, "Replaying EC dump ...");
+		for (i = 0; i < 256; i++)
+			ec_write (i, dmp[i]);
+		printk(BIOS_DEBUG, "done\n");
+	}
+`
+
+	si := Create(ctx, "acpi/superio.asl")
+	defer si.Close()
+
+	if hasKeyboard {
+		si.WriteString("#include <drivers/pc80/ps2_controller.asl>\n")
+		MainboardInit += fmt.Sprintf("\tpc_keyboard_init();\n")
+		MainboardIncludes = append(MainboardIncludes, "pc80/keyboard.h")
+	}
+
+	ec := Create(ctx, "acpi/ec.asl")
+	defer ec.Close()
+
+	ec.WriteString(`Device(EC)
+{
+	Name (_HID, EISAID("PNP0C09"))
+	Name (_UID, 0)
+`)
+	if GPEUnsure {
+		ec.WriteString("\t/* FIXME: Set GPE  */\n")
+		ec.WriteString("\t/* Name (_GPE, ?)  */\n")
+	} else {
+		fmt.Fprintf(ec, "\tName (_GPE, %d)\n", sbGPE)
+	}
+	ec.WriteString("/* FIXME: EC support */\n")
+}