diff options
| -rw-r--r-- | include/asm-m68k/fsl_i2c.h | 86 | ||||
| -rw-r--r-- | include/configs/M5329EVB.h | 52 |
2 files changed, 117 insertions, 21 deletions
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 |