summaryrefslogtreecommitdiff
path: root/arch/m68k/cpu/mcf5227x/cpu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/cpu/mcf5227x/cpu.c')
-rw-r--r--arch/m68k/cpu/mcf5227x/cpu.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/m68k/cpu/mcf5227x/cpu.c b/arch/m68k/cpu/mcf5227x/cpu.c
new file mode 100644
index 0000000..d9f5f43
--- /dev/null
+++ b/arch/m68k/cpu/mcf5227x/cpu.c
@@ -0,0 +1,77 @@
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@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
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <command.h>
+
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM);
+ udelay(1000);
+ rcm->rcr |= RCM_RCR_SOFTRST;
+
+ /* we don't return! */
+ return 0;
+};
+
+int checkcpu(void)
+{
+ volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
+ u16 msk;
+ u16 id = 0;
+ u8 ver;
+
+ puts("CPU: ");
+ msk = (ccm->cir >> 6);
+ ver = (ccm->cir & 0x003f);
+ switch (msk) {
+ case 0x6c:
+ id = 52277;
+ break;
+ }
+
+ if (id) {
+ char buf1[32], buf2[32], buf3[32];
+
+ printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
+ ver);
+ printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n",
+ strmhz(buf1, gd->cpu_clk),
+ strmhz(buf2, gd->bus_clk),
+ strmhz(buf3, gd->flb_clk));
+ printf(" INP CLK %s MHz VCO CLK %s MHz\n",
+ strmhz(buf1, gd->inp_clk),
+ strmhz(buf2, gd->vco_clk));
+ }
+
+ return 0;
+}