Added I2C support
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
diff --git a/include/asm-m68k/fsl_i2c.h b/include/asm-m68k/fsl_i2c.h
new file mode 100644
index 0000000..4f71341
--- /dev/null
+++ b/include/asm-m68k/fsl_i2c.h
@@ -0,0 +1,86 @@
+/*
+ * Freescale I2C Controller
+ *
+ * Copyright 2006 Freescale Semiconductor, Inc.
+ *
+ * Based on earlier versions by Gleb Natapov <gnatapov@mrv.com>,
+ * Xianghua Xiao <x.xiao@motorola.com>, Eran Liberty (liberty@freescale.com),
+ * and Jeff Brown.
+ * Some bits are taken from linux driver writen by adrian@humboldt.co.uk.
+ *
+ * This software may be used and distributed according to the
+ * terms of the GNU Public License, Version 2, incorporated
+ * herein by reference.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ *
+ * 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 _ASM_FSL_I2C_H_
+#define _ASM_FSL_I2C_H_
+
+#include <asm/types.h>
+
+typedef struct fsl_i2c {
+
+ u8 adr; /* I2C slave address */
+ u8 res0[3];
+#define I2C_ADR 0xFE
+#define I2C_ADR_SHIFT 1
+#define I2C_ADR_RES ~(I2C_ADR)
+
+ u8 fdr; /* I2C frequency divider register */
+ u8 res1[3];
+#define IC2_FDR 0x3F
+#define IC2_FDR_SHIFT 0
+#define IC2_FDR_RES ~(IC2_FDR)
+
+ u8 cr; /* I2C control redister */
+ u8 res2[3];
+#define I2C_CR_MEN 0x80
+#define I2C_CR_MIEN 0x40
+#define I2C_CR_MSTA 0x20
+#define I2C_CR_MTX 0x10
+#define I2C_CR_TXAK 0x08
+#define I2C_CR_RSTA 0x04
+#define I2C_CR_BCST 0x01
+
+ u8 sr; /* I2C status register */
+ u8 res3[3];
+#define I2C_SR_MCF 0x80
+#define I2C_SR_MAAS 0x40
+#define I2C_SR_MBB 0x20
+#define I2C_SR_MAL 0x10
+#define I2C_SR_BCSTM 0x08
+#define I2C_SR_SRW 0x04
+#define I2C_SR_MIF 0x02
+#define I2C_SR_RXAK 0x01
+
+ u8 dr; /* I2C data register */
+ u8 res4[3];
+#define I2C_DR 0xFF
+#define I2C_DR_SHIFT 0
+#define I2C_DR_RES ~(I2C_DR)
+
+ u8 dfsrr; /* I2C digital filter sampling rate register */
+ u8 res5[3];
+#define I2C_DFSRR 0x3F
+#define I2C_DFSRR_SHIFT 0
+#define I2C_DFSRR_RES ~(I2C_DR)
+
+ /* Fill out the reserved block */
+ u8 res6[0xE8];
+} fsl_i2c_t;
+
+#endif /* _ASM_I2C_H_ */
diff --git a/include/configs/M5329EVB.h b/include/configs/M5329EVB.h
index 50be03f..605684b 100644
--- a/include/configs/M5329EVB.h
+++ b/include/configs/M5329EVB.h
@@ -52,6 +52,7 @@
CFG_CMD_DATE | \
CFG_CMD_ELF | \
CFG_CMD_FLASH | \
+ CFG_CMD_I2C | \
(CFG_CMD_LOADB | CFG_CMD_LOADS) | \
CFG_CMD_MEMORY | \
CFG_CMD_MISC | \
@@ -65,15 +66,15 @@
#define CONFIG_MCFFEC
#ifdef CONFIG_MCFFEC
-# define CONFIG_NET_MULTI 1
+# define CONFIG_NET_MULTI 1
# define CONFIG_MII 1
# define CFG_DISCOVER_PHY
# define CFG_RX_ETH_BUFFER 8
# define CFG_FAULT_ECHO_LINK_DOWN
-# define CFG_FEC0_PINMUX 0
-# define CFG_FEC0_MIIBASE CFG_FEC0_IOBASE
-# define MCFFEC_TOUT_LOOP 50000
+# define CFG_FEC0_PINMUX 0
+# define CFG_FEC0_MIIBASE CFG_FEC0_IOBASE
+# define MCFFEC_TOUT_LOOP 50000
/* If CFG_DISCOVER_PHY is not defined - hardcoded */
# ifndef CFG_DISCOVER_PHY
# define FECDUPLEX FULL
@@ -92,14 +93,23 @@
#define CONFIG_MCFTMR
#undef CONFIG_MCFPIT
+/* I2C */
+#define CONFIG_FSL_I2C
+#define CONFIG_HARD_I2C /* I2C with hw support */
+#undef CONFIG_SOFT_I2C /* I2C bit-banged */
+#define CFG_I2C_SPEED 80000
+#define CFG_I2C_SLAVE 0x7F
+#define CFG_I2C_OFFSET 0x58000
+#define CFG_IMMR CFG_MBAR
+
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CONFIG_BOOTDELAY 1 /* autoboot after 5 seconds */
#ifdef CONFIG_MCFFEC
-# define CONFIG_ETHADDR 00:e0:0c:bc:e5:60
-# define CONFIG_IPADDR 192.162.1.2
-# define CONFIG_NETMASK 255.255.255.0
-# define CONFIG_SERVERIP 192.162.1.1
+# define CONFIG_ETHADDR 00:e0:0c:bc:e5:60
+# define CONFIG_IPADDR 192.162.1.2
+# define CONFIG_NETMASK 255.255.255.0
+# define CONFIG_SERVERIP 192.162.1.1
# define CONFIG_GATEWAYIP 192.162.1.1
# define CONFIG_OVERWRITE_ETHADDR_ONCE
#endif /* FEC_ENET */
@@ -117,26 +127,26 @@
"save\0" \
""
-#define CONFIG_PRAM 512 /* 512 KB */
-#define CFG_PROMPT "-> "
+#define CONFIG_PRAM 512 /* 512 KB */
+#define CFG_PROMPT "-> "
#define CFG_LONGHELP /* undef to save memory */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
-# define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+# define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
-# define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+# define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
-#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_LOAD_ADDR 0x40010000
-#define CFG_HZ 1000
-#define CFG_CLK 80000000
-#define CFG_CPU_CLK CFG_CLK * 3
+#define CFG_HZ 1000
+#define CFG_CLK 80000000
+#define CFG_CPU_CLK CFG_CLK * 3
-#define CFG_MBAR 0xFC000000
+#define CFG_MBAR 0xFC000000
/*
* Low Level Configuration Settings
@@ -190,13 +200,13 @@
# define CFG_FLASH_CFI_DRIVER 1
# define CFG_FLASH_SIZE 0x800000 /* Max size that the board might have */
# define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT
-# define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
-# define CFG_MAX_FLASH_SECT 137 /* max number of sectors on one chip */
+# define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+# define CFG_MAX_FLASH_SECT 137 /* max number of sectors on one chip */
# define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
#endif
-#define CFG_FLASH_BASE 0
-#define CFG_FLASH0_BASE (CFG_CS0_BASE << 16)
+#define CFG_FLASH_BASE 0
+#define CFG_FLASH0_BASE (CFG_CS0_BASE << 16)
/* Configuration for environment
* Environment is embedded in u-boot in the second sector of the flash