board/freescale/p1023rds/bcsr.h

   1 /*
   2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
   3  *
   4  * Authors:  Chunhe Lan <b25806@freescale.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 2 of the License, or (at your option)
   9  * any later version.
  10  *
  11  */
  12
  13 #ifndef __BCSR_H_
  14 #define __BCSR_H_
  15
  16 #include <common.h>
  17
  18 /*
  19  * BCSR Bit definitions
  20         * BCSR 15 *
  21         0       device insertion oriention
  22         1       stack processor present
  23         2       power supply shut down/normal operation
  24         3       I2C bus0 drive enable
  25         4       reserved
  26         5:7     I2C bus0 select
  27                                 5 - I2C_BUS_0_SS0
  28                                 6 - I2C_BUS_0_SS1
  29                                 7 - I2C_BUS_0_SS2
  30 */
  31
  32 /* BCSR register base address is 0xFX000020 */
  33 #define BCSR_BASE_REG_OFFSET    0x20
  34 #define BCSR_ACCESS_REG_ADDR    (CONFIG_SYS_BCSR_BASE + BCSR_BASE_REG_OFFSET)
  35
  36 #define BCSR15_DEV_INS_ORI      0x80
  37 #define BCSR15_STACK_PRO_PRE    0x40
  38 #define BCSR15_POWER_SUPPLY     0x20
  39 #define BCSR15_I2C_BUS0_EN      0x10
  40 #define BCSR15_I2C_BUS0_SEG0    0x00
  41 #define BCSR15_I2C_BUS0_SEG1    0x04
  42 #define BCSR15_I2C_BUS0_SEG2    0x02
  43 #define BCSR15_I2C_BUS0_SEG3    0x06
  44 #define BCSR15_I2C_BUS0_SEG4    0x01
  45 #define BCSR15_I2C_BUS0_SEG5    0x05
  46 #define BCSR15_I2C_BUS0_SEG6    0x03
  47 #define BCSR15_I2C_BUS0_SEG7    0x07
  48 #define BCSR15_I2C_BUS0_SEG_CLR 0x07
  49 #define BCSR19_SGMII_SEL_L      0x01
  50
  51 /*BCSR Utils functions*/
  52 void fixup_i2c_bus0_sel_seg0(void);
  53 #endif  /* __BCSR_H_ */