diff options
Diffstat (limited to 'u-boot/board/sandburst/common/ppc440gx_i2c.h')
| -rw-r--r-- | u-boot/board/sandburst/common/ppc440gx_i2c.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/u-boot/board/sandburst/common/ppc440gx_i2c.h b/u-boot/board/sandburst/common/ppc440gx_i2c.h new file mode 100644 index 0000000..7496db4 --- /dev/null +++ b/u-boot/board/sandburst/common/ppc440gx_i2c.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2005 Sandburst Corporation + * + * 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 + */ + +/* + * Ported from i2c driver for ppc4xx by AS HARNOIS by + * Travis B. Sawyer + * Sandburst Corporation + */ +#include <common.h> +#include <asm/ppc4xx.h> +#include <asm/ppc4xx-i2c.h> +#include <i2c.h> + +#ifdef CONFIG_HARD_I2C + +#define I2C_BUS1_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000500) +#define I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR +#define IIC_MDBUF1 (&i2c->mdbuf) +#define IIC_SDBUF1 (&i2c->sdbuf) +#define IIC_LMADR1 (&i2c->lmadr) +#define IIC_HMADR1 (&i2c->hmadr) +#define IIC_CNTL1 (&i2c->cntl) +#define IIC_MDCNTL1 (&i2c->mdcntl) +#define IIC_STS1 (&i2c->sts) +#define IIC_EXTSTS1 (&i2c->extsts) +#define IIC_LSADR1 (&i2c->lsadr) +#define IIC_HSADR1 (&i2c->hsadr) +#define IIC_CLKDIV1 (&i2c->clkdiv) +#define IIC_INTRMSK1 (&i2c->intrmsk) +#define IIC_XFRCNT1 (&i2c->xfrcnt) +#define IIC_XTCNTLSS1 (&i2c->xtcntlss) +#define IIC_DIRECTCNTL1 (&i2c->directcntl) + +void i2c1_init (int speed, int slaveadd); +int i2c_probe1 (uchar chip); +int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len); +int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len); +uchar i2c_reg_read1(uchar i2c_addr, uchar reg); +void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val); + +#endif /* CONFIG_HARD_I2C */ |