2 * misc setup functions for MPC83xx
4 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
12 #include <linux/config.h>
13 #include <linux/stddef.h>
14 #include <linux/kernel.h>
17 #include <asm/hw_irq.h>
18 #include <sysdev/fsl_soc.h>
22 void mpc83xx_restart(char *cmd)
24 #define RST_OFFSET 0x00000900
25 #define RST_PROT_REG 0x00000018
26 #define RST_CTRL_REG 0x0000001c
29 /* map reset register space */
30 reg = ioremap(get_immrbase() + 0x900, 0xff);
34 /* enable software reset "RSTE" */
35 out_be32(reg + (RST_PROT_REG >> 2), 0x52535445);
37 /* set software hard reset */
38 out_be32(reg + (RST_CTRL_REG >> 2), 0x2);
42 long __init mpc83xx_time_init(void)
44 #define SPCR_OFFSET 0x00000110
45 #define SPCR_TBEN 0x00400000
46 __be32 __iomem *spcr = ioremap(get_immrbase() + SPCR_OFFSET, 4);
50 out_be32(spcr, tmp | SPCR_TBEN);