board/xilinx/zynq/board.c

   1 /*
   2  * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <fdtdec.h>
   9 #include <fpga.h>
  10 #include <mmc.h>
  11 #include <zynqpl.h>
  12 #include <asm/arch/hardware.h>
  13 #include <asm/arch/sys_proto.h>
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
  18     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
  19 static xilinx_desc fpga;
  20
  21 /* It can be done differently */
  22 static xilinx_desc fpga010 = XILINX_XC7Z010_DESC(0x10);
  23 static xilinx_desc fpga015 = XILINX_XC7Z015_DESC(0x15);
  24 static xilinx_desc fpga020 = XILINX_XC7Z020_DESC(0x20);
  25 static xilinx_desc fpga030 = XILINX_XC7Z030_DESC(0x30);
  26 static xilinx_desc fpga035 = XILINX_XC7Z035_DESC(0x35);
  27 static xilinx_desc fpga045 = XILINX_XC7Z045_DESC(0x45);
  28 static xilinx_desc fpga100 = XILINX_XC7Z100_DESC(0x100);
  29 #endif
  30
  31 int board_init(void)
  32 {
  33 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
  34     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
  35         u32 idcode;
  36
  37         idcode = zynq_slcr_get_idcode();
  38
  39         switch (idcode) {
  40         case XILINX_ZYNQ_7010:
  41                 fpga = fpga010;
  42                 break;
  43         case XILINX_ZYNQ_7015:
  44                 fpga = fpga015;
  45                 break;
  46         case XILINX_ZYNQ_7020:
  47                 fpga = fpga020;
  48                 break;
  49         case XILINX_ZYNQ_7030:
  50                 fpga = fpga030;
  51                 break;
  52         case XILINX_ZYNQ_7035:
  53                 fpga = fpga035;
  54                 break;
  55         case XILINX_ZYNQ_7045:
  56                 fpga = fpga045;
  57                 break;
  58         case XILINX_ZYNQ_7100:
  59                 fpga = fpga100;
  60                 break;
  61         }
  62 #endif
  63
  64 #if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
  65     (defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
  66         fpga_init();
  67         fpga_add(fpga_xilinx, &fpga);
  68 #endif
  69
  70         return 0;
  71 }
  72
  73 int board_late_init(void)
  74 {
  75         switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
  76         case ZYNQ_BM_NOR:
  77                 setenv("modeboot", "norboot");
  78                 break;
  79         case ZYNQ_BM_SD:
  80                 setenv("modeboot", "sdboot");
  81                 break;
  82         case ZYNQ_BM_JTAG:
  83                 setenv("modeboot", "jtagboot");
  84                 break;
  85         default:
  86                 setenv("modeboot", "");
  87                 break;
  88         }
  89
  90         return 0;
  91 }
  92
  93 #ifdef CONFIG_DISPLAY_BOARDINFO
  94 int checkboard(void)
  95 {
  96         puts("Board:\tXilinx Zynq\n");
  97         return 0;
  98 }
  99 #endif
 100
 101 int dram_init(void)
 102 {
 103 #if CONFIG_IS_ENABLED(OF_CONTROL)
 104         int node;
 105         fdt_addr_t addr;
 106         fdt_size_t size;
 107         const void *blob = gd->fdt_blob;
 108
 109         node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
 110                                              "memory", 7);
 111         if (node == -FDT_ERR_NOTFOUND) {
 112                 debug("ZYNQ DRAM: Can't get memory node\n");
 113                 return -1;
 114         }
 115         addr = fdtdec_get_addr_size(blob, node, "reg", &size);
 116         if (addr == FDT_ADDR_T_NONE || size == 0) {
 117                 debug("ZYNQ DRAM: Can't get base address or size\n");
 118                 return -1;
 119         }
 120         gd->ram_size = size;
 121 #else
 122         gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
 123 #endif
 124         zynq_ddrc_init();
 125
 126         return 0;
 127 }