2 * (C) Copyright 2000-2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * CPU specific code for the MPC5xxx CPUs
32 #include <asm/processor.h>
34 #if defined(CONFIG_OF_FLAT_TREE)
38 DECLARE_GLOBAL_DATA_PTR;
42 ulong clock = gd->cpu_clk;
44 #ifndef CONFIG_MGT5100
52 printf (" (JTAG ID %08lx)", *(vu_long *)MPC5XXX_CDM_JTAGID);
56 switch (SVR_VER (svr)) {
61 printf ("MPC52?? (SVR %08x)", svr);
65 printf (" v%d.%d, Core v%d.%d", SVR_MJREV (svr), SVR_MNREV (svr),
66 PVR_MAJ(pvr), PVR_MIN(pvr));
68 printf (" at %s MHz\n", strmhz (buf, clock));
72 /* ------------------------------------------------------------------------- */
75 do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
78 /* Interrupts and MMU off */
79 __asm__ __volatile__ ("mfmsr %0":"=r" (msr):);
81 msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR);
82 __asm__ __volatile__ ("mtmsr %0"::"r" (msr));
84 /* Charge the watchdog timer */
85 *(vu_long *)(MPC5XXX_GPT0_COUNTER) = 0x0001000f;
86 *(vu_long *)(MPC5XXX_GPT0_ENABLE) = 0x9004; /* wden|ce|timer_ms */
93 /* ------------------------------------------------------------------------- */
96 * Get timebase clock frequency (like cpu_clk in Hz)
99 unsigned long get_tbclk (void)
103 tbclk = (gd->bus_clk + 3L) / 4L;
108 /* ------------------------------------------------------------------------- */
110 #ifdef CONFIG_OF_FLAT_TREE
112 ft_cpu_setup(void *blob, bd_t *bd)
118 clock = bd->bi_busfreq;
119 p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
121 *p = cpu_to_be32(clock);
123 p = ft_get_prop(blob, "/" OF_SOC "/bus-frequency", &len);
125 *p = cpu_to_be32(clock);
127 p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/mac-address", &len);
129 memcpy(p, bd->bi_enetaddr, 6);