-- Cory T. Tusar Embedded Systems Engineer Videon Central, Inc. 2171 Sandy Drive State College, PA 16801 (814) 235-1111 x316 (814) 235-1118 fax "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." --Brian W. Kernighan diff -urdN -x CVS ../u-boot-cvs/u-boot/drivers/omap24xx_i2c.c ./drivers/omap24xx_i2c.c --- ../u-boot-cvs/u-boot/drivers/omap24xx_i2c.c Sun Jan 9 19:01:07 2005 +++ ./drivers/omap24xx_i2c.c Mon Jan 10 09:50:17 2005 @@ -21,7 +21,7 @@ */ #include <common.h> -#include <asm/arch/i2c.h> +#include <omap24xx_i2c.h> #include <asm/io.h> #define inw(a) __raw_readw(a) diff -urdN -x CVS ../u-boot-cvs/u-boot/include/asm-arm/arch-arm1136/i2c.h ./include/asm-arm/arch-arm1136/i2c.h --- ../u-boot-cvs/u-boot/include/asm-arm/arch-arm1136/i2c.h Sun Jan 9 18:16:46 2005 +++ ./include/asm-arm/arch-arm1136/i2c.h Wed Dec 31 19:00:00 1969 @@ -1,106 +0,0 @@ -/* - * (C) Copyright 2004 - * Texas Instruments, <www.ti.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 _OMAP24XX_I2C_H_ -#define _OMAP24XX_I2C_H_ - -#define I2C_BASE 0x48070000 -#define I2C_BASE2 0x48072000 /* nothing hooked up on h4 */ - -#define I2C_REV (I2C_BASE + 0x00) -#define I2C_IE (I2C_BASE + 0x04) -#define I2C_STAT (I2C_BASE + 0x08) -#define I2C_IV (I2C_BASE + 0x0c) -#define I2C_BUF (I2C_BASE + 0x14) -#define I2C_CNT (I2C_BASE + 0x18) -#define I2C_DATA (I2C_BASE + 0x1c) -#define I2C_CON (I2C_BASE + 0x24) -#define I2C_OA (I2C_BASE + 0x28) -#define I2C_SA (I2C_BASE + 0x2c) -#define I2C_PSC (I2C_BASE + 0x30) -#define I2C_SCLL (I2C_BASE + 0x34) -#define I2C_SCLH (I2C_BASE + 0x38) -#define I2C_SYSTEST (I2C_BASE + 0x3c) - -/* I2C masks */ - -/* I2C Interrupt Enable Register (I2C_IE): */ -#define I2C_IE_GC_IE (1 << 5) -#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */ -#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */ -#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */ -#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */ -#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */ - -/* I2C Status Register (I2C_STAT): */ - -#define I2C_STAT_SBD (1 << 15) /* Single byte data */ -#define I2C_STAT_BB (1 << 12) /* Bus busy */ -#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */ -#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */ -#define I2C_STAT_AAS (1 << 9) /* Address as slave */ -#define I2C_STAT_GC (1 << 5) -#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */ -#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */ -#define I2C_STAT_ARDY (1 << 2) /* Register access ready */ -#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */ -#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */ - - -/* I2C Interrupt Code Register (I2C_INTCODE): */ - -#define I2C_INTCODE_MASK 7 -#define I2C_INTCODE_NONE 0 -#define I2C_INTCODE_AL 1 /* Arbitration lost */ -#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */ -#define I2C_INTCODE_ARDY 3 /* Register access ready */ -#define I2C_INTCODE_RRDY 4 /* Rcv data ready */ -#define I2C_INTCODE_XRDY 5 /* Xmit data ready */ - -/* I2C Buffer Configuration Register (I2C_BUF): */ - -#define I2C_BUF_RDMA_EN (1 << 15) /* Receive DMA channel enable */ -#define I2C_BUF_XDMA_EN (1 << 7) /* Transmit DMA channel enable */ - -/* I2C Configuration Register (I2C_CON): */ - -#define I2C_CON_EN (1 << 15) /* I2C module enable */ -#define I2C_CON_BE (1 << 14) /* Big endian mode */ -#define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */ -#define I2C_CON_MST (1 << 10) /* Master/slave mode */ -#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode (master mode only) */ -#define I2C_CON_XA (1 << 8) /* Expand address */ -#define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */ -#define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */ - -/* I2C System Test Register (I2C_SYSTEST): */ - -#define I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */ -#define I2C_SYSTEST_FREE (1 << 14) /* Free running mode (on breakpoint) */ -#define I2C_SYSTEST_TMODE_MASK (3 << 12) /* Test mode select */ -#define I2C_SYSTEST_TMODE_SHIFT (12) /* Test mode select */ -#define I2C_SYSTEST_SCL_I (1 << 3) /* SCL line sense input value */ -#define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */ -#define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */ -#define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */ - -#endif diff -urdN -x CVS ../u-boot-cvs/u-boot/include/omap24xx_i2c.h ./include/omap24xx_i2c.h --- ../u-boot-cvs/u-boot/include/omap24xx_i2c.h Wed Dec 31 19:00:00 1969 +++ ./include/omap24xx_i2c.h Mon Jan 10 09:02:58 2005 @@ -0,0 +1,106 @@ +/* + * (C) Copyright 2004 + * Texas Instruments, <www.ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 _OMAP24XX_I2C_H_ +#define _OMAP24XX_I2C_H_ + +#define I2C_BASE 0x48070000 +#define I2C_BASE2 0x48072000 /* nothing hooked up on h4 */ + +#define I2C_REV (I2C_BASE + 0x00) +#define I2C_IE (I2C_BASE + 0x04) +#define I2C_STAT (I2C_BASE + 0x08) +#define I2C_IV (I2C_BASE + 0x0c) +#define I2C_BUF (I2C_BASE + 0x14) +#define I2C_CNT (I2C_BASE + 0x18) +#define I2C_DATA (I2C_BASE + 0x1c) +#define I2C_CON (I2C_BASE + 0x24) +#define I2C_OA (I2C_BASE + 0x28) +#define I2C_SA (I2C_BASE + 0x2c) +#define I2C_PSC (I2C_BASE + 0x30) +#define I2C_SCLL (I2C_BASE + 0x34) +#define I2C_SCLH (I2C_BASE + 0x38) +#define I2C_SYSTEST (I2C_BASE + 0x3c) + +/* I2C masks */ + +/* I2C Interrupt Enable Register (I2C_IE): */ +#define I2C_IE_GC_IE (1 << 5) +#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */ +#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */ +#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */ +#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */ +#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */ + +/* I2C Status Register (I2C_STAT): */ + +#define I2C_STAT_SBD (1 << 15) /* Single byte data */ +#define I2C_STAT_BB (1 << 12) /* Bus busy */ +#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */ +#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */ +#define I2C_STAT_AAS (1 << 9) /* Address as slave */ +#define I2C_STAT_GC (1 << 5) +#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */ +#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */ +#define I2C_STAT_ARDY (1 << 2) /* Register access ready */ +#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */ +#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */ + + +/* I2C Interrupt Code Register (I2C_INTCODE): */ + +#define I2C_INTCODE_MASK 7 +#define I2C_INTCODE_NONE 0 +#define I2C_INTCODE_AL 1 /* Arbitration lost */ +#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */ +#define I2C_INTCODE_ARDY 3 /* Register access ready */ +#define I2C_INTCODE_RRDY 4 /* Rcv data ready */ +#define I2C_INTCODE_XRDY 5 /* Xmit data ready */ + +/* I2C Buffer Configuration Register (I2C_BUF): */ + +#define I2C_BUF_RDMA_EN (1 << 15) /* Receive DMA channel enable */ +#define I2C_BUF_XDMA_EN (1 << 7) /* Transmit DMA channel enable */ + +/* I2C Configuration Register (I2C_CON): */ + +#define I2C_CON_EN (1 << 15) /* I2C module enable */ +#define I2C_CON_BE (1 << 14) /* Big endian mode */ +#define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */ +#define I2C_CON_MST (1 << 10) /* Master/slave mode */ +#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode (master mode only) */ +#define I2C_CON_XA (1 << 8) /* Expand address */ +#define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */ +#define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */ + +/* I2C System Test Register (I2C_SYSTEST): */ + +#define I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */ +#define I2C_SYSTEST_FREE (1 << 14) /* Free running mode (on breakpoint) */ +#define I2C_SYSTEST_TMODE_MASK (3 << 12) /* Test mode select */ +#define I2C_SYSTEST_TMODE_SHIFT (12) /* Test mode select */ +#define I2C_SYSTEST_SCL_I (1 << 3) /* SCL line sense input value */ +#define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */ +#define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */ +#define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */ + +#endif