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);
65 printf("Unknown MPC5xxx");
69 printf (" v%d.%d, Core v%d.%d", SVR_MJREV (svr), SVR_MNREV (svr),
70 PVR_MAJ(pvr), PVR_MIN(pvr));
72 printf (" at %s MHz\n", strmhz (buf, clock));
76 /* ------------------------------------------------------------------------- */
79 do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
82 /* Interrupts and MMU off */
83 __asm__ __volatile__ ("mfmsr %0":"=r" (msr):);
85 msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR);
86 __asm__ __volatile__ ("mtmsr %0"::"r" (msr));
88 /* Charge the watchdog timer */
89 *(vu_long *)(MPC5XXX_GPT0_COUNTER) = 0x0001000f;
90 *(vu_long *)(MPC5XXX_GPT0_ENABLE) = 0x9004; /* wden|ce|timer_ms */
97 /* ------------------------------------------------------------------------- */
100 * Get timebase clock frequency (like cpu_clk in Hz)
103 unsigned long get_tbclk (void)
107 tbclk = (gd->bus_clk + 3L) / 4L;
112 /* ------------------------------------------------------------------------- */
114 #ifdef CONFIG_OF_FLAT_TREE
116 ft_cpu_setup(void *blob, bd_t *bd)
121 /* Core XLB bus frequency */
122 p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
124 *p = cpu_to_be32(bd->bi_busfreq);
126 /* SOC peripherals use the IPB bus frequency */
127 p = ft_get_prop(blob, "/" OF_SOC "/bus-frequency", &len);
129 *p = cpu_to_be32(bd->bi_ipbfreq);
131 p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/mac-address", &len);
133 memcpy(p, bd->bi_enetaddr, 6);
135 p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/local-mac-address", &len);
137 memcpy(p, bd->bi_enetaddr, 6);