Add support for gth2 board
Patch by Thomas Lange, Aug 11 2005
diff --git a/board/gth2/ee_dev.h b/board/gth2/ee_dev.h
new file mode 100644
index 0000000..acc3418
--- /dev/null
+++ b/board/gth2/ee_dev.h
@@ -0,0 +1,96 @@
+/* By Thomas.Lange@Corelatus.com 001025 */
+/* Definitions for EEPROM/VOLT METER DS2438 */
+/* Copyright (C) 2000-2005 Corelatus AB */
+
+/* This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef INCeedevh
+#define INCeedevh
+
+#define E_DEBUG(fmt,args...) if( Debug ) printk(KERN_DEBUG"EE: " fmt, ##args)
+
+/* MIPS */
+#define WRITE_PORT(Value) write_gpio_data(Value)
+
+#define READ_PORT (gpio_read()&GPIO_EEDQ)
+
+/* 64 bytes chip */
+#define EE_CHIP_SIZE 64
+
+/* Board with new current resistor */
+#define EE_GTH_0304 1
+
+/* new dsp and 64 MB SDRAM */
+#define EE_DSP_64 0x10
+
+/* microsecs */
+/* Pull line down at least this long for reset pulse */
+#define RESET_LOW_TIME 490
+
+/* Read presence pulse after we release reset pulse */
+#define PRESENCE_TIMEOUT 100
+#define PRESENCE_LOW_TIME 200
+
+#define WRITE_0_LOW 60
+#define WRITE_1_LOW 1
+#define TOTAL_WRITE_LOW 60
+
+#define READ_LOW 1
+#define READ_TIMEOUT 10
+#define TOTAL_READ_LOW 70
+
+/* Rom function commands */
+#define READ_ROM 0x33
+#define MATCH_ROM 0x55
+#define SKIP_ROM 0xCC
+#define SEARCH_ROM 0xF0
+
+
+/* Memory_command_function */
+#define WRITE_SCRATCHPAD 0x4E
+#define READ_SCRATCHPAD 0xBE
+#define COPY_SCRATCHPAD 0x48
+#define RECALL_MEMORY 0xB8
+#define CONVERT_TEMP 0x44
+#define CONVERT_VOLTAGE 0xB4
+
+/* Chip is divided in 8 pages, 8 bytes each */
+
+#define EE_PAGE_SIZE 8
+
+/* All chip data we want are in page 0 */
+
+/* Bytes in page 0 */
+#define EE_P0_STATUS 0
+#define EE_P0_TEMP_LSB 1
+#define EE_P0_TEMP_MSB 2
+#define EE_P0_VOLT_LSB 3
+#define EE_P0_VOLT_MSB 4
+#define EE_P0_CURRENT_LSB 5
+#define EE_P0_CURRENT_MSB 6
+
+
+/* 40 byte user data is located at page 3-7 */
+#define EE_USER_PAGE_0 3
+#define USER_PAGES 5
+
+/* Layout of gth user pages usage */
+/* Bytes 0-16 ethernet addr in ascii ( len 17 ) */
+
+#define EE_ETHERNET_OFFSET 0
+
+#endif /* INCeedevh */