arch/powerpc/cpu/mpc83xx/fdt.c

   1 /*
   2  * Copyright 2007 Freescale Semiconductor, Inc.
   3  *
   4  * (C) Copyright 2000
   5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #include <common.h>
  27 #include <libfdt.h>
  28 #include <fdt_support.h>
  29 #include <asm/processor.h>
  30
  31 extern void ft_qe_setup(void *blob);
  32
  33 DECLARE_GLOBAL_DATA_PTR;
  34
  35 #if defined(CONFIG_BOOTCOUNT_LIMIT) && \
  36         (defined(CONFIG_QE))
  37 #include <asm/immap_qe.h>
  38
  39 void fdt_fixup_muram (void *blob)
  40 {
  41         ulong data[2];
  42
  43         data[0] = 0;
  44         data[1] = QE_MURAM_SIZE - 2 * sizeof(unsigned long);
  45         do_fixup_by_compat(blob, "fsl,qe-muram-data", "reg",
  46                         data, sizeof (data), 0);
  47 }
  48 #endif
  49
  50 void ft_cpu_setup(void *blob, bd_t *bd)
  51 {
  52         immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
  53         int spridr = immr->sysconf.spridr;
  54
  55         /*
  56          * delete crypto node if not on an E-processor
  57          * initial revisions of the MPC834xE/6xE have the original SEC 2.0.
  58          * EA revisions got the SEC uprevved to 2.4 but since the default device
  59          * tree contains SEC 2.0 properties we uprev them here.
  60          */
  61         if (!IS_E_PROCESSOR(spridr))
  62                 fdt_fixup_crypto_node(blob, 0);
  63         else if (IS_E_PROCESSOR(spridr) &&
  64                  (SPR_FAMILY(spridr) == SPR_834X_FAMILY ||
  65                   SPR_FAMILY(spridr) == SPR_836X_FAMILY) &&
  66                  REVID_MAJOR(spridr) >= 2)
  67                 fdt_fixup_crypto_node(blob, 0x0204);
  68
  69 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
  70     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) ||\
  71     defined(CONFIG_HAS_ETH4) || defined(CONFIG_HAS_ETH5)
  72         fdt_fixup_ethernet(blob);
  73 #ifdef CONFIG_MPC8313
  74         /*
  75         * mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
  76         * h/w (see AN3545).  The base device tree in use has rev. 1 ID numbers,
  77         * so if on Rev. 2 (and higher) h/w, we fix them up here
  78         */
  79         if (REVID_MAJOR(immr->sysconf.spridr) >= 2) {
  80                 int nodeoffset, path;
  81                 const char *prop;
  82
  83                 nodeoffset = fdt_path_offset(blob, "/aliases");
  84                 if (nodeoffset >= 0) {
  85 #if defined(CONFIG_HAS_ETH0)
  86                         prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
  87                         if (prop) {
  88                                 u32 tmp[] = { 32, 0x8, 33, 0x8, 34, 0x8 };
  89
  90                                 path = fdt_path_offset(blob, prop);
  91                                 prop = fdt_getprop(blob, path, "interrupts", 0);
  92                                 if (prop)
  93                                         fdt_setprop(blob, path, "interrupts",
  94                                                     &tmp, sizeof(tmp));
  95                         }
  96 #endif
  97 #if defined(CONFIG_HAS_ETH1)
  98                         prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
  99                         if (prop) {
 100                                 u32 tmp[] = { 35, 0x8, 36, 0x8, 37, 0x8 };
 101
 102                                 path = fdt_path_offset(blob, prop);
 103                                 prop = fdt_getprop(blob, path, "interrupts", 0);
 104                                 if (prop)
 105                                         fdt_setprop(blob, path, "interrupts",
 106                                                     &tmp, sizeof(tmp));
 107                         }
 108 #endif
 109                 }
 110         }
 111 #endif
 112 #endif
 113
 114         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 115                 "timebase-frequency", (bd->bi_busfreq / 4), 1);
 116         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 117                 "bus-frequency", bd->bi_busfreq, 1);
 118         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 119                 "clock-frequency", gd->core_clk, 1);
 120         do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
 121                 "bus-frequency", bd->bi_busfreq, 1);
 122         do_fixup_by_compat_u32(blob, "fsl,soc",
 123                 "bus-frequency", bd->bi_busfreq, 1);
 124         do_fixup_by_compat_u32(blob, "fsl,soc",
 125                 "clock-frequency", bd->bi_busfreq, 1);
 126         do_fixup_by_compat_u32(blob, "fsl,immr",
 127                 "bus-frequency", bd->bi_busfreq, 1);
 128         do_fixup_by_compat_u32(blob, "fsl,immr",
 129                 "clock-frequency", bd->bi_busfreq, 1);
 130 #ifdef CONFIG_QE
 131         ft_qe_setup(blob);
 132 #endif
 133
 134 #ifdef CONFIG_SYS_NS16550
 135         do_fixup_by_compat_u32(blob, "ns16550",
 136                 "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
 137 #endif
 138
 139         fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 140
 141 #if defined(CONFIG_BOOTCOUNT_LIMIT)
 142         fdt_fixup_muram (blob);
 143 #endif
 144 }