From 19f0e93041dbfe22f8d39b98e4f7f9ea87b77803 Mon Sep 17 00:00:00 2001
From: Heiko Schocher <hs@denx.de>
Date: Tue, 24 Feb 2009 11:30:34 +0100
Subject: 83xx, kmeter1: add I2C, dtt, eeprom support

This patch adds I2C support for the Keymile kmeter1 board.
It uses the First I2C Controller from the CPU, for
accessing 4 temperature sensors, an eeprom with IVM data
and the booteeprom over a pca9547 mux.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
---
 include/configs/keymile-common.h |  7 -------
 include/configs/kmeter1.h        | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 7 deletions(-)

(limited to 'include')

diff --git a/include/configs/keymile-common.h b/include/configs/keymile-common.h
index d70bc4808..c7f6ba34d 100644
--- a/include/configs/keymile-common.h
+++ b/include/configs/keymile-common.h
@@ -42,13 +42,9 @@
 #define CONFIG_CMD_IMMAP
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_PING
-
-/* should go away, if kmeter I2C support is enabled */
-#if defined(CONFIG_MGCOGE) || defined(CONFIG_MGSUVD)
 #define CONFIG_CMD_DTT
 #define CONFIG_CMD_EEPROM
 #define CONFIG_CMD_I2C
-#endif
 
 #undef	CONFIG_WATCHDOG			/* disable platform specific watchdog */
 
@@ -73,10 +69,7 @@
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size  */
 #define CONFIG_CMDLINE_EDITING		1	/* add command line history     */
 
-/* should go away, if kmeter I2C support is enabled */
-#if defined(CONFIG_MGCOGE) || defined(CONFIG_MGSUVD)
 #define CONFIG_HUSH_INIT_VAR	1
-#endif
 
 #define CONFIG_SYS_ALT_MEMTEST		/* memory test, takes time */
 #define CONFIG_SYS_MEMTEST_START	0x00100000	/* memtest works on */
diff --git a/include/configs/kmeter1.h b/include/configs/kmeter1.h
index b86c61d5f..a23c9edb5 100644
--- a/include/configs/kmeter1.h
+++ b/include/configs/kmeter1.h
@@ -32,6 +32,7 @@
 /* include common defines/options for all Keymile boards */
 #include "keymile-common.h"
 
+#define CONFIG_MISC_INIT_R	1
 /*
  * System Clock Setup
  */
@@ -300,6 +301,38 @@
 #define CONFIG_ENV_SIZE		0x2000
 #endif /* CFG_RAMBOOT */
 
+/* I2C */
+#define CONFIG_HARD_I2C		/* I2C with hardware support */
+#undef	CONFIG_SOFT_I2C		/* I2C bit-banged */
+#define CONFIG_FSL_I2C
+#define CONFIG_SYS_I2C_SPEED	200000	/* I2C speed and slave address */
+#define CONFIG_SYS_I2C_SLAVE	0x7F
+#define CONFIG_SYS_I2C_OFFSET	0x3000
+#define CONFIG_I2C_MULTI_BUS	1
+#define CONFIG_I2C_CMD_TREE	1
+#define CONFIG_SYS_MAX_I2C_BUS		2
+#define CONFIG_I2C_MUX		1
+
+/* EEprom support */
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
+#define CONFIG_SYS_I2C_MULTI_EEPROMS	1
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
+
+/* Support the IVM EEprom */
+#define	CONFIG_SYS_IVM_EEPROM_ADR	0x50
+#define CONFIG_SYS_IVM_EEPROM_MAX_LEN	0x400
+#define CONFIG_SYS_IVM_EEPROM_PAGE_LEN	0x100
+
+/* I2C SYSMON (LM75, AD7414 is almost compatible)			*/
+#define CONFIG_DTT_LM75		1	/* ON Semi's LM75		*/
+#define CONFIG_DTT_SENSORS	{0, 1, 2, 3}	/* Sensor addresses		*/
+#define CONFIG_SYS_DTT_MAX_TEMP	70
+#define CONFIG_SYS_DTT_LOW_TEMP	-30
+#define CONFIG_SYS_DTT_HYSTERESIS	3
+#define CONFIG_SYS_DTT_BUS_NUM		(2)
+
 #if defined(CONFIG_PCI)
 #define CONFIG_CMD_PCI
 #endif
@@ -452,6 +485,8 @@
 	"loadfdt=tftp ${fdt_addr_r} ${fdt_file}\0"			\
 	"loadkernel=tftp ${kernel_addr_r} ${boot_file}\0"		\
 	"unlock=yes\0"							\
+	"EEprom_ivm=pca9547:70:9\0"					\
+	"dtt_bus=pca9547:70:a\0"					\
    ""
 
 #endif /* __CONFIG_H */
-- 
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