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/*
* 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
}
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