board/gdsys/405ep/neo.c

   1 /*
   2  * (C) Copyright 2011
   3  * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <command.h>
  10 #include <asm/processor.h>
  11 #include <asm/io.h>
  12 #include <asm/ppc4xx-gpio.h>
  13
  14 #include "405ep.h"
  15 #include <gdsys_fpga.h>
  16
  17 #define LATCH0_BASE (CONFIG_SYS_LATCH_BASE)
  18 #define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100)
  19 #define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
  20
  21 enum {
  22         UNITTYPE_CCX16 = 1,
  23         UNITTYPE_CCIP216 = 2,
  24 };
  25
  26 enum {
  27         HWVER_300 = 3,
  28 };
  29
  30 struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
  31
  32 int misc_init_r(void)
  33 {
  34         /*
  35          * Note: DTT has been removed. Please use UCLASS_THERMAL.
  36          *
  37          * startup fans
  38          *
  39          * dtt_init();
  40          */
  41
  42         return 0;
  43 }
  44
  45 int checkboard(void)
  46 {
  47         char *s = getenv("serial#");
  48
  49         puts("Board: CATCenter Neo");
  50
  51         if (s != NULL) {
  52                 puts(", serial# ");
  53                 puts(s);
  54         }
  55
  56         puts("\n");
  57
  58         return 0;
  59 }
  60
  61 static void print_fpga_info(void)
  62 {
  63         u16 versions;
  64         u16 fpga_version;
  65         u16 fpga_features;
  66         int fpga_state = get_fpga_state(0);
  67         unsigned unit_type;
  68         unsigned hardware_version;
  69         unsigned feature_channels;
  70
  71         puts("FPGA:  ");
  72         if (fpga_state & FPGA_STATE_DONE_FAILED) {
  73                 printf(" done timed out\n");
  74                 return;
  75         }
  76
  77         if (fpga_state & FPGA_STATE_REFLECTION_FAILED) {
  78                 printf(" refelectione test failed\n");
  79                 return;
  80         }
  81
  82         FPGA_GET_REG(0, versions, &versions);
  83         FPGA_GET_REG(0, fpga_version, &fpga_version);
  84         FPGA_GET_REG(0, fpga_features, &fpga_features);
  85
  86         unit_type = (versions & 0xf000) >> 12;
  87         hardware_version = versions & 0x000f;
  88         feature_channels = fpga_features & 0x007f;
  89
  90         switch (unit_type) {
  91         case UNITTYPE_CCX16:
  92                 printf("CCX-Switch");
  93                 break;
  94
  95         default:
  96                 printf("UnitType %d(not supported)", unit_type);
  97                 break;
  98         }
  99
 100         switch (hardware_version) {
 101         case HWVER_300:
 102                 printf(" HW-Ver 3.00-3.12\n");
 103                 break;
 104
 105         default:
 106                 printf(" HW-Ver %d(not supported)\n",
 107                        hardware_version);
 108                 break;
 109         }
 110
 111         printf("       FPGA V %d.%02d, features:",
 112                 fpga_version / 100, fpga_version % 100);
 113
 114         printf(" %d channel(s)\n", feature_channels);
 115 }
 116
 117 int last_stage_init(void)
 118 {
 119         print_fpga_info();
 120
 121         return 0;
 122 }
 123
 124 void gd405ep_init(void)
 125 {
 126 }
 127
 128 void gd405ep_set_fpga_reset(unsigned state)
 129 {
 130         if (state) {
 131                 out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET);
 132                 out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET);
 133         } else {
 134                 out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT);
 135                 out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT);
 136         }
 137 }
 138
 139 void gd405ep_setup_hw(void)
 140 {
 141         /*
 142          * set "startup-finished"-gpios
 143          */
 144         gpio_write_bit(21, 0);
 145         gpio_write_bit(22, 1);
 146 }
 147
 148 int gd405ep_get_fpga_done(unsigned fpga)
 149 {
 150         /*
 151          * Neo hardware has no FPGA-DONE GPIO
 152          */
 153         return 1;
 154 }