ColdFire: Add MCF5227x cpu and MCF52277EVB support-2

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Signed-off by: John Rigby <jrigby@freescale.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/cpu/mcf5227x/cpu.c b/cpu/mcf5227x/cpu.c
new file mode 100644
index 0000000..5792a1c
--- /dev/null
+++ b/cpu/mcf5227x/cpu.c
@@ -0,0 +1,75 @@
+/*
+ *
+ * (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) {
+		printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
+		       ver);
+		printf("       CPU CLK %d Mhz BUS CLK %d Mhz FLB CLK %d Mhz\n",
+		       (int)(gd->cpu_clk / 1000000),
+		       (int)(gd->bus_clk / 1000000),
+		       (int)(gd->flb_clk / 1000000));
+		printf("       INP CLK %d Mhz VCO CLK %d Mhz\n",
+		       (int)(gd->inp_clk / 1000000),
+		       (int)(gd->vco_clk / 1000000));
+	}
+
+	return 0;
+}