mirror of
https://github.com/AsahiLinux/u-boot
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0878af169b
The cpu-release-addr is defined as always being a 64-bit quanity regardless if we are running on a 32-bit or 64-bit machine.
117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
/*
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* Copyright 2007 Freescale Semiconductor, Inc.
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*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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extern void ft_qe_setup(void *blob);
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#ifdef CONFIG_MP
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#include "mp.h"
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DECLARE_GLOBAL_DATA_PTR;
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void ft_fixup_cpu(void *blob, u64 memory_limit)
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{
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int off;
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ulong spin_tbl_addr = get_spin_addr();
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u32 bootpg, id = get_my_id();
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/* if we have 4G or more of memory, put the boot page at 4Gb-4k */
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if ((u64)gd->ram_size > 0xfffff000)
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bootpg = 0xfffff000;
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else
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bootpg = gd->ram_size - 4096;
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off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
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while (off != -FDT_ERR_NOTFOUND) {
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u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
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if (reg) {
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if (*reg == id) {
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fdt_setprop_string(blob, off, "status", "okay");
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} else {
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u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
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val = cpu_to_fdt32(val);
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fdt_setprop_string(blob, off, "status",
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"disabled");
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fdt_setprop_string(blob, off, "enable-method",
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"spin-table");
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fdt_setprop(blob, off, "cpu-release-addr",
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&val, sizeof(val));
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}
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} else {
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printf ("cpu NULL\n");
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}
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off = fdt_node_offset_by_prop_value(blob, off,
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"device_type", "cpu", 4);
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}
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/* Reserve the boot page so OSes dont use it */
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if ((u64)bootpg < memory_limit) {
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off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
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if (off < 0)
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printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
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}
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}
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#endif
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void ft_cpu_setup(void *blob, bd_t *bd)
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{
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#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
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defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
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fdt_fixup_ethernet(blob, bd);
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#endif
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do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
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"timebase-frequency", bd->bi_busfreq / 8, 1);
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do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
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"bus-frequency", bd->bi_busfreq, 1);
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do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
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"clock-frequency", bd->bi_intfreq, 1);
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do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
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"bus-frequency", bd->bi_busfreq, 1);
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#ifdef CONFIG_QE
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ft_qe_setup(blob);
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#endif
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#ifdef CFG_NS16550
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do_fixup_by_compat_u32(blob, "ns16550",
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"clock-frequency", bd->bi_busfreq, 1);
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#endif
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#ifdef CONFIG_CPM2
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do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
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"current-speed", bd->bi_baudrate, 1);
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do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
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"clock-frequency", bd->bi_brgfreq, 1);
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#endif
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fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
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#ifdef CONFIG_MP
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ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
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#endif
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}
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