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phyus
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uboot-vybrid_public
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شاخه‌ها تگ‌ها
uboot-vybrid_pu...
/
board
/
sandburst
/
common
/
ppc440gx_i2c.h

ppc440gx_i2c.h 2.1 KB
تاريخچه خام

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  1. /*
    2. 

  2.  *  Copyright (C) 2005 Sandburst Corporation
    3. 

  3.  *
    4. 

  4.  * See file CREDITS for list of people who contributed to this
    5. 

  5.  * project.
    6. 

  6.  *
    7. 

  7.  * This program is free software; you can redistribute it and/or
    8. 

  8.  * modify it under the terms of the GNU General Public License as
    9. 

  9.  * published by the Free Software Foundation; either version 2 of
    10. 

  10.  * the License, or (at your option) any later version.
    11. 

  11.  *
    12. 

  12.  * This program is distributed in the hope that it will be useful,
    13. 

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    14. 

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
    15. 

  15.  * GNU General Public License for more details.
    16. 

  16.  *
    17. 

  17.  * You should have received a copy of the GNU General Public License
    18. 

  18.  * along with this program; if not, write to the Free Software
    19. 

  19.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
    20. 

  20.  * MA 02111-1307 USA
    21. 

  21.  */
    22. 

  22. 

  23. /*
    24. 

  24.  * Ported from i2c driver for ppc4xx by AS HARNOIS by
    25. 

  25.  * Travis B. Sawyer
    26. 

  26.  * Sandburst Corporation
    27. 

  27.  */
    28. 

  28. #include <common.h>
    29. 

  29. #include <asm/ppc4xx.h>
    30. 

  30. #include <asm/ppc4xx-i2c.h>
    31. 

  31. #include <i2c.h>
    32. 

  32. 

  33. #ifdef CONFIG_HARD_I2C
    34. 

  34. 

  35. #define I2C_BUS1_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000500)
    36. 

  36. #define	   I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR
    37. 

  37. #define    IIC_MDBUF1	(&i2c->mdbuf)
    38. 

  38. #define    IIC_SDBUF1	(&i2c->sdbuf)
    39. 

  39. #define    IIC_LMADR1	(&i2c->lmadr)
    40. 

  40. #define    IIC_HMADR1	(&i2c->hmadr)
    41. 

  41. #define    IIC_CNTL1	(&i2c->cntl)
    42. 

  42. #define    IIC_MDCNTL1	(&i2c->mdcntl)
    43. 

  43. #define    IIC_STS1	(&i2c->sts)
    44. 

  44. #define    IIC_EXTSTS1	(&i2c->extsts)
    45. 

  45. #define    IIC_LSADR1	(&i2c->lsadr)
    46. 

  46. #define    IIC_HSADR1	(&i2c->hsadr)
    47. 

  47. #define    IIC_CLKDIV1	(&i2c->clkdiv)
    48. 

  48. #define    IIC_INTRMSK1	(&i2c->intrmsk)
    49. 

  49. #define    IIC_XFRCNT1	(&i2c->xfrcnt)
    50. 

  50. #define    IIC_XTCNTLSS1	(&i2c->xtcntlss)
    51. 

  51. #define    IIC_DIRECTCNTL1 (&i2c->directcntl)
    52. 

  52. 

  53. void i2c1_init (int speed, int slaveadd);
    54. 

  54. int i2c_probe1 (uchar chip);
    55. 

  55. int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
    56. 

  56. int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
    57. 

  57. uchar i2c_reg_read1(uchar i2c_addr, uchar reg);
    58. 

  58. void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val);
    59. 

  59. 

  60. #endif	/* CONFIG_HARD_I2C */
    61.