2 * Copyright 2006,2009 Freescale Semiconductor, Inc.
4 * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <asm/cache.h>
31 #include <asm/fsl_law.h>
33 DECLARE_GLOBAL_DATA_PTR;
36 * Default board reset function
43 void board_reset(void) __attribute__((weak, alias("__board_reset")));
53 char buf1[32], buf2[32];
54 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
55 volatile ccsr_gur_t *gur = &immap->im_gur;
57 uint msscr0 = mfspr(MSSCR0);
60 ver = SVR_SOC_VER(svr);
70 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
74 ver = PVR_E600_VER(pvr);
75 major = PVR_E600_MAJ(pvr);
76 minor = PVR_E600_MIN(pvr);
78 printf("E600 Core %d", (msscr0 & 0x20) ? 1 : 0 );
79 if (gur->pordevsr & MPC86xx_PORDEVSR_CORE1TE)
80 puts("\n Core1Translation Enabled");
81 debug(" (MSSCR0=%x, PORDEVSR=%x)", msscr0, gur->pordevsr);
83 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
85 get_sys_info(&sysinfo);
87 puts("Clock Configuration:\n");
88 printf(" CPU:%-4s MHz, ", strmhz(buf1, sysinfo.freqProcessor));
89 printf("MPX:%-4s MHz\n", strmhz(buf1, sysinfo.freqSystemBus));
90 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
91 strmhz(buf1, sysinfo.freqSystemBus / 2),
92 strmhz(buf2, sysinfo.freqSystemBus));
94 if (sysinfo.freqLocalBus > LCRR_CLKDIV) {
95 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freqLocalBus));
97 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
98 sysinfo.freqLocalBus);
101 puts("L1: D-cache 32 KB enabled\n");
102 puts(" I-cache 32 KB enabled\n");
105 if (get_l2cr() & 0x80000000) {
106 #if defined(CONFIG_MPC8610)
108 #elif defined(CONFIG_MPC8641)
111 puts(" KB enabled\n");
121 do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
123 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
124 volatile ccsr_gur_t *gur = &immap->im_gur;
126 /* Attempt board-specific reset */
129 /* Next try asserting HRESET_REQ */
130 out_be32(&gur->rstcr, MPC86xx_RSTCR_HRST_REQ);
138 * Get timebase clock frequency
145 get_sys_info(&sys_info);
146 return (sys_info.freqSystemBus + 3L) / 4L;
150 #if defined(CONFIG_WATCHDOG)
154 #if defined(CONFIG_MPC8610)
156 * This actually feed the hard enabled watchdog.
158 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
159 volatile ccsr_wdt_t *wdt = &immap->im_wdt;
160 volatile ccsr_gur_t *gur = &immap->im_gur;
161 u32 tmp = gur->pordevsr;
169 #endif /* CONFIG_WATCHDOG */
172 * Print out the state of various machine registers.
173 * Currently prints out LAWs, BR0/OR0, and BATs
175 void mpc86xx_reginfo(void)
177 immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
178 ccsr_lbc_t *lbc = &immap->im_lbc;
183 printf ("Local Bus Controller Registers\n"
184 "\tBR0\t0x%08X\tOR0\t0x%08X \n", in_be32(&lbc->br0), in_be32(&lbc->or0));
185 printf("\tBR1\t0x%08X\tOR1\t0x%08X \n", in_be32(&lbc->br1), in_be32(&lbc->or1));
186 printf("\tBR2\t0x%08X\tOR2\t0x%08X \n", in_be32(&lbc->br2), in_be32(&lbc->or2));
187 printf("\tBR3\t0x%08X\tOR3\t0x%08X \n", in_be32(&lbc->br3), in_be32(&lbc->or3));
188 printf("\tBR4\t0x%08X\tOR4\t0x%08X \n", in_be32(&lbc->br4), in_be32(&lbc->or4));
189 printf("\tBR5\t0x%08X\tOR5\t0x%08X \n", in_be32(&lbc->br5), in_be32(&lbc->or5));
190 printf("\tBR6\t0x%08X\tOR6\t0x%08X \n", in_be32(&lbc->br6), in_be32(&lbc->or6));
191 printf("\tBR7\t0x%08X\tOR7\t0x%08X \n", in_be32(&lbc->br7), in_be32(&lbc->or7));