Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | /* * Copyright 2007 Freescale Semiconductor, Inc. * * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <libfdt.h> #include <fdt_support.h> extern void ft_qe_setup(void *blob); #ifdef CONFIG_MP #include "mp.h" DECLARE_GLOBAL_DATA_PTR; void ft_fixup_cpu(void *blob, u64 memory_limit) { int off; ulong spin_tbl_addr = get_spin_addr(); u32 bootpg, id = get_my_id(); /* if we have 4G or more of memory, put the boot page at 4Gb-4k */ if ((u64)gd->ram_size > 0xfffff000) bootpg = 0xfffff000; else bootpg = gd->ram_size - 4096; off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); while (off != -FDT_ERR_NOTFOUND) { u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0); if (reg) { if (*reg == id) { fdt_setprop_string(blob, off, "status", "okay"); } else { u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr; val = cpu_to_fdt32(val); fdt_setprop_string(blob, off, "status", "disabled"); fdt_setprop_string(blob, off, "enable-method", "spin-table"); fdt_setprop(blob, off, "cpu-release-addr", &val, sizeof(val)); } } else { printf ("cpu NULL\n"); } off = fdt_node_offset_by_prop_value(blob, off, "device_type", "cpu", 4); } /* Reserve the boot page so OSes dont use it */ if ((u64)bootpg < memory_limit) { off = fdt_add_mem_rsv(blob, bootpg, (u64)4096); if (off < 0) printf("%s: %s\n", __FUNCTION__, fdt_strerror(off)); } } #endif void ft_cpu_setup(void *blob, bd_t *bd) { #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\ defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) fdt_fixup_ethernet(blob, bd); #endif do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency", bd->bi_busfreq / 8, 1); do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "bus-frequency", bd->bi_busfreq, 1); do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "clock-frequency", bd->bi_intfreq, 1); do_fixup_by_prop_u32(blob, "device_type", "soc", 4, "bus-frequency", bd->bi_busfreq, 1); #ifdef CONFIG_QE ft_qe_setup(blob); #endif #ifdef CFG_NS16550 do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", bd->bi_busfreq, 1); #endif #ifdef CONFIG_CPM2 do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart", "current-speed", bd->bi_baudrate, 1); do_fixup_by_compat_u32(blob, "fsl,cpm2-brg", "clock-frequency", bd->bi_brgfreq, 1); #endif fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); #ifdef CONFIG_MP ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize); #endif } |