board/freescale/common/idt8t49n222a_serdes_clk.h

   1 /*
   2  * Copyright 2013 Freescale Semiconductor, Inc.
   3  * Author: Shaveta Leekha <shaveta@freescale.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __IDT8T49N222A_SERDES_CLK_H_
   9 #define __IDT8T49N222A_SERDES_CLK_H_    1
  10
  11 #include <common.h>
  12 #include <i2c.h>
  13 #include "qixis.h"
  14 #include "../b4860qds/b4860qds_qixis.h"
  15 #include <errno.h>
  16
  17 #define NUM_IDT_REGS            23
  18 #define NUM_IDT_REGS_FEEDBACK   12
  19 #define NUM_IDT_REGS_156_25     11
  20
  21 /* CLK */
  22 enum serdes_refclk {
  23         SERDES_REFCLK_100,      /* refclk 100Mhz */
  24         SERDES_REFCLK_122_88,   /* refclk 122.88Mhz */
  25         SERDES_REFCLK_125,      /* refclk 125Mhz */
  26         SERDES_REFCLK_156_25,   /* refclk 156.25Mhz */
  27         SERDES_REFCLK_NONE = -1,
  28 };
  29
  30 /* configuration values for IDT registers for Output Refclks:
  31  * Refclk1 = 122.88MHz Refclk2 = 122.88MHz
  32  */
  33 static const u8 idt_conf_122_88[23][2] = { {0x00, 0x3C}, {0x01, 0x00},
  34                 {0x02, 0x9F}, {0x03, 0x00}, {0x04, 0x0B}, {0x05, 0x00},
  35                 {0x06, 0x00}, {0x07, 0x00}, {0x08, 0x7D}, {0x09, 0x00},
  36                 {0x0A, 0x08}, {0x0B, 0x00}, {0x0C, 0xDC}, {0x0D, 0x00},
  37                 {0x0E, 0x00}, {0x0F, 0x00}, {0x10, 0x12}, {0x11, 0x12},
  38                 {0x12, 0xB9}, {0x13, 0xBC}, {0x14, 0x40}, {0x15, 0x08},
  39                 {0x16, 0xA0} };
  40
  41
  42 /* configuration values for IDT registers for Output Refclks:
  43  * Refclk1 not equal to 122.88MHz Refclk2 not equal to 122.88MHz
  44  */
  45 static const u8 idt_conf_not_122_88[23][2] = { {0x00, 0x00}, {0x01, 0x00},
  46                 {0x02, 0x00}, {0x03, 0x00}, {0x04, 0x0A}, {0x05, 0x00},
  47                 {0x06, 0x00}, {0x07, 0x00}, {0x08, 0x7D}, {0x09, 0x00},
  48                 {0x0A, 0x08}, {0x0B, 0x00}, {0x0C, 0xDC}, {0x0D, 0x00},
  49                 {0x0E, 0x00}, {0x0F, 0x00}, {0x10, 0x14}, {0x11, 0x14},
  50                 {0x12, 0x35}, {0x13, 0xBC}, {0x14, 0x40}, {0x15, 0x08},
  51                 {0x16, 0xA0} };
  52
  53 /* Reconfiguration values for some of IDT registers for
  54  * Output Refclks:
  55  * Refclk1 = 122.88MHz Refclk2 = 122.88MHz
  56  * and with feedback as 1
  57  */
  58 static const u8 idt_conf_122_88_feedback[12][2] = { {0x00, 0x50}, {0x02, 0xD7},
  59                 {0x04, 0x89}, {0x06, 0xC3}, {0x08, 0xC0}, {0x0A, 0x07},
  60                 {0x0C, 0x80}, {0x10, 0x10}, {0x11, 0x10}, {0x12, 0x1B},
  61                 {0x14, 0x00}, {0x15, 0xE8} };
  62
  63 /* configuration values for IDT registers for Output Refclks:
  64  * Refclk1 : 156.25MHz Refclk2 : 156.25MHz
  65  */
  66 static const u8 idt_conf_156_25[11][2] = { {0x04, 0x19}, {0x06, 0x03},
  67                 {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20},
  68                 {0x10, 0x10}, {0x11, 0x10}, {0x12, 0xB5}, {0x13, 0x3C},
  69                 {0x15, 0xE8} };
  70
  71 /* configuration values for IDT registers for Output Refclks:
  72  * Refclk1 : 100MHz Refclk2 : 156.25MHz
  73  */
  74 static const u8 idt_conf_100_156_25[11][2] = { {0x04, 0x19}, {0x06, 0x03},
  75                 {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20},
  76                 {0x10, 0x19}, {0x11, 0x10}, {0x12, 0xB5}, {0x13, 0x3C},
  77                 {0x15, 0xE8} };
  78
  79 /* configuration values for IDT registers for Output Refclks:
  80  * Refclk1 : 125MHz Refclk2 : 156.25MHz
  81  */
  82 static const u8 idt_conf_125_156_25[11][2] = { {0x04, 0x19}, {0x06, 0x03},
  83                 {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20},
  84                 {0x10, 0x14}, {0x11, 0x10}, {0x12, 0xB5}, {0x13, 0x3C},
  85                 {0x15, 0xE8} };
  86
  87 /* configuration values for IDT registers for Output Refclks:
  88  * Refclk1 : 156.25MHz Refclk2 : 100MHz
  89  */
  90 static const u8 idt_conf_156_25_100[11][2] = { {0x04, 0x19}, {0x06, 0x03},
  91                 {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20},
  92                 {0x10, 0x10}, {0x11, 0x19}, {0x12, 0xB5}, {0x13, 0x3C},
  93                 {0x15, 0xE8} };
  94
  95 /* configuration values for IDT registers for Output Refclks:
  96  * Refclk1 : 156.25MHz Refclk2 : 125MHz
  97  */
  98 static const u8 idt_conf_156_25_125[11][2] = { {0x04, 0x19}, {0x06, 0x03},
  99                 {0x08, 0xC0}, {0x0A, 0x07}, {0x0C, 0xA1}, {0x0E, 0x20},
 100                 {0x10, 0x10}, {0x11, 0x14}, {0x12, 0xB5}, {0x13, 0x3C},
 101                 {0x15, 0xE8} };
 102
 103 int set_serdes_refclk(u8 idt_addr, u8 serdes_num,
 104                         enum serdes_refclk refclk1,
 105                         enum serdes_refclk refclk2, u8 feedback);
 106
 107 #endif  /*__IDT8T49N222A_SERDES_CLK_H_ */