From c994c973c654817f5e764615776b78b84cd21910 Mon Sep 17 00:00:00 2001
From: "Ronald G. Minnich" <rminnich@gmail.com>
Date: Tue, 14 Mar 2006 19:58:14 +0000
Subject: Fix for nehemiah other fixes for gx2 ram init.

support for sharplfg00l04 -- not working yet.


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2197 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
---
 util/flashrom/sharplhf00l04.h | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'util/flashrom/sharplhf00l04.h')

diff --git a/util/flashrom/sharplhf00l04.h b/util/flashrom/sharplhf00l04.h
index d615dfa44b..3b8852a828 100644
--- a/util/flashrom/sharplhf00l04.h
+++ b/util/flashrom/sharplhf00l04.h
@@ -4,5 +4,44 @@
 extern int probe_lhf00l04(struct flashchip *flash);
 extern int erase_lhf00l04(struct flashchip *flash);
 extern int write_lhf00l04(struct flashchip *flash, uint8_t *buf);
+extern __inline__ void toggle_ready_lhf00l04(volatile uint8_t *dst)
+{
+	unsigned int i = 0;
+	uint8_t tmp1, tmp2;
+
+	tmp1 = *dst & 0x40;
+
+	while (i++ < 0xFFFFFF) {
+		tmp2 = *dst & 0x40;
+		if (tmp1 == tmp2) {
+			break;
+		}
+		tmp1 = tmp2;
+	}
+}
+
+extern __inline__ void data_polling_lhf00l04(volatile uint8_t *dst, uint8_t data)
+{
+	unsigned int i = 0;
+	uint8_t tmp;
+
+	data &= 0x80;
+
+	while (i++ < 0xFFFFFF) {
+		tmp = *dst & 0x80;
+		if (tmp == data) {
+			break;
+		}
+	}
+}
+
+extern __inline__ void protect_lhf00l04(volatile uint8_t *bios)
+{
+	*(volatile uint8_t *) (bios + 0x5555) = 0xAA;
+	*(volatile uint8_t *) (bios + 0x2AAA) = 0x55;
+	*(volatile uint8_t *) (bios + 0x5555) = 0xA0;
+
+	usleep(200);
+}
 
 #endif				/* !__SHARPLHF00L04_H__ */
-- 
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