board/freescale/p1023rds/bcsr.h

   1 /*
   2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
   3  *
   4  * Authors:  Chunhe Lan <b25806@freescale.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef __BCSR_H_
  10 #define __BCSR_H_
  11
  12 #include <common.h>
  13
  14 /*
  15  * BCSR Bit definitions
  16         * BCSR 15 *
  17         0       device insertion oriention
  18         1       stack processor present
  19         2       power supply shut down/normal operation
  20         3       I2C bus0 drive enable
  21         4       reserved
  22         5:7     I2C bus0 select
  23                                 5 - I2C_BUS_0_SS0
  24                                 6 - I2C_BUS_0_SS1
  25                                 7 - I2C_BUS_0_SS2
  26 */
  27
  28 /* BCSR register base address is 0xFX000020 */
  29 #define BCSR_BASE_REG_OFFSET    0x20
  30 #define BCSR_ACCESS_REG_ADDR    (CONFIG_SYS_BCSR_BASE + BCSR_BASE_REG_OFFSET)
  31
  32 #define BCSR15_DEV_INS_ORI      0x80
  33 #define BCSR15_STACK_PRO_PRE    0x40
  34 #define BCSR15_POWER_SUPPLY     0x20
  35 #define BCSR15_I2C_BUS0_EN      0x10
  36 #define BCSR15_I2C_BUS0_SEG0    0x00
  37 #define BCSR15_I2C_BUS0_SEG1    0x04
  38 #define BCSR15_I2C_BUS0_SEG2    0x02
  39 #define BCSR15_I2C_BUS0_SEG3    0x06
  40 #define BCSR15_I2C_BUS0_SEG4    0x01
  41 #define BCSR15_I2C_BUS0_SEG5    0x05
  42 #define BCSR15_I2C_BUS0_SEG6    0x03
  43 #define BCSR15_I2C_BUS0_SEG7    0x07
  44 #define BCSR15_I2C_BUS0_SEG_CLR 0x07
  45 #define BCSR19_SGMII_SEL_L      0x01
  46
  47 /*BCSR Utils functions*/
  48 void fixup_i2c_bus0_sel_seg0(void);
  49 #endif  /* __BCSR_H_ */