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-rw-r--r--cpu/mpc86xx/cpu_init.c117
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diff --git a/cpu/mpc86xx/cpu_init.c b/cpu/mpc86xx/cpu_init.c
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+/*
+ * Copyright 2004 Freescale Semiconductor.
+ * Jeff Brown
+ * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
+ *
+ * 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
+ */
+
+/*
+ * cpu_init.c - low level cpu init
+ */
+
+#include <common.h>
+#include <mpc86xx.h>
+
+/*
+ * Breathe some life into the CPU...
+ *
+ * Set up the memory map
+ * initialize a bunch of registers
+ */
+
+void cpu_init_f(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ccsr_lbc_t *memctl = &immap->im_lbc;
+
+ /* Pointer is writable since we allocated a register for it */
+ gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
+
+ /* Clear initial global data */
+ memset ((void *) gd, 0, sizeof (gd_t));
+
+ /* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
+ * addresses - these have to be modified later when FLASH size
+ * has been determined
+ */
+
+#if defined(CFG_OR0_REMAP)
+ memctl->or0 = CFG_OR0_REMAP;
+#endif
+#if defined(CFG_OR1_REMAP)
+ memctl->or1 = CFG_OR1_REMAP;
+#endif
+
+ /* now restrict to preliminary range */
+#if defined(CFG_BR0_PRELIM) && defined(CFG_OR0_PRELIM)
+ memctl->br0 = CFG_BR0_PRELIM;
+ memctl->or0 = CFG_OR0_PRELIM;
+#endif
+
+#if defined(CFG_BR1_PRELIM) && defined(CFG_OR1_PRELIM)
+ memctl->or1 = CFG_OR1_PRELIM;
+ memctl->br1 = CFG_BR1_PRELIM;
+#endif
+
+#if defined(CFG_BR2_PRELIM) && defined(CFG_OR2_PRELIM)
+ memctl->or2 = CFG_OR2_PRELIM;
+ memctl->br2 = CFG_BR2_PRELIM;
+#endif
+
+#if defined(CFG_BR3_PRELIM) && defined(CFG_OR3_PRELIM)
+ memctl->or3 = CFG_OR3_PRELIM;
+ memctl->br3 = CFG_BR3_PRELIM;
+#endif
+
+#if defined(CFG_BR4_PRELIM) && defined(CFG_OR4_PRELIM)
+ memctl->or4 = CFG_OR4_PRELIM;
+ memctl->br4 = CFG_BR4_PRELIM;
+#endif
+
+#if defined(CFG_BR5_PRELIM) && defined(CFG_OR5_PRELIM)
+ memctl->or5 = CFG_OR5_PRELIM;
+ memctl->br5 = CFG_BR5_PRELIM;
+#endif
+
+#if defined(CFG_BR6_PRELIM) && defined(CFG_OR6_PRELIM)
+ memctl->or6 = CFG_OR6_PRELIM;
+ memctl->br6 = CFG_BR6_PRELIM;
+#endif
+
+#if defined(CFG_BR7_PRELIM) && defined(CFG_OR7_PRELIM)
+ memctl->or7 = CFG_OR7_PRELIM;
+ memctl->br7 = CFG_BR7_PRELIM;
+#endif
+
+ /* enable the timebase bit in HID0 */
+ set_hid0(get_hid0() | 0x4000000);
+
+ /* enable SYNCBE | ABE bits in HID1 */
+ set_hid1(get_hid1() | 0x00000C00);
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r(void)
+{
+ return 0;
+}