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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:12 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:24 +0200
commita4145534851bf74619cb373a942613a74547bb82 (patch)
tree653ca8e04cad5da1eecac601b77f1f9b9cfd5fc5 /arch/m68k/cpu/mcf547x_8x/cpu.c
parent84ad688473bec2875e171b71040eb9e033c6c206 (diff)
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m68k: Move cpu/$CPU to arch/m68k/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/m68k/cpu/mcf547x_8x/cpu.c')
-rw-r--r--arch/m68k/cpu/mcf547x_8x/cpu.c164
1 files changed, 164 insertions, 0 deletions
diff --git a/arch/m68k/cpu/mcf547x_8x/cpu.c b/arch/m68k/cpu/mcf547x_8x/cpu.c
new file mode 100644
index 0000000..3912a74
--- /dev/null
+++ b/arch/m68k/cpu/mcf547x_8x/cpu.c
@@ -0,0 +1,164 @@
+/*
+ *
+ * (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 <netdev.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 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+
+ gptmr->pre = 10;
+ gptmr->cnt = 1;
+
+ /* enable watchdog, set timeout to 0 and wait */
+ gptmr->mode = GPT_TMS_SGPIO;
+ gptmr->ctrl = GPT_CTRL_WDEN | GPT_CTRL_CE;
+
+ /* we don't return! */
+ return 1;
+};
+
+int checkcpu(void)
+{
+ volatile siu_t *siu = (siu_t *) MMAP_SIU;
+ u16 id = 0;
+
+ puts("CPU: ");
+
+ switch ((siu->jtagid & 0x000FF000) >> 12) {
+ case 0x0C:
+ id = 5485;
+ break;
+ case 0x0D:
+ id = 5484;
+ break;
+ case 0x0E:
+ id = 5483;
+ break;
+ case 0x0F:
+ id = 5482;
+ break;
+ case 0x10:
+ id = 5481;
+ break;
+ case 0x11:
+ id = 5480;
+ break;
+ case 0x12:
+ id = 5475;
+ break;
+ case 0x13:
+ id = 5474;
+ break;
+ case 0x14:
+ id = 5473;
+ break;
+ case 0x15:
+ id = 5472;
+ break;
+ case 0x16:
+ id = 5471;
+ break;
+ case 0x17:
+ id = 5470;
+ break;
+ }
+
+ if (id) {
+ char buf1[32], buf2[32];
+
+ printf("Freescale MCF%d\n", id);
+ printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
+ strmhz(buf1, gd->cpu_clk),
+ strmhz(buf2, gd->bus_clk));
+ }
+
+ return 0;
+};
+
+#if defined(CONFIG_HW_WATCHDOG)
+/* Called by macro WATCHDOG_RESET */
+void hw_watchdog_reset(void)
+{
+ volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+
+ gptmr->ocpw = 0xa5;
+}
+
+int watchdog_disable(void)
+{
+ volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+
+ /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
+ gptmr->mode = 0;
+ gptmr->ctrl = 0;
+
+ puts("WATCHDOG:disabled\n");
+
+ return (0);
+}
+
+int watchdog_init(void)
+{
+
+ volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+
+ gptmr->pre = CONFIG_WATCHDOG_TIMEOUT;
+ gptmr->cnt = CONFIG_SYS_TIMER_PRESCALER * 1000;
+
+ gptmr->mode = GPT_TMS_SGPIO;
+ gptmr->ctrl = GPT_CTRL_CE | GPT_CTRL_WDEN;
+ puts("WATCHDOG:enabled\n");
+
+ return (0);
+}
+#endif /* CONFIG_HW_WATCHDOG */
+
+#if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC)
+/* Default initializations for MCFFEC controllers. To override,
+ * create a board-specific function called:
+ * int board_eth_init(bd_t *bis)
+ */
+
+int cpu_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_FSLDMAFEC)
+ mcdmafec_initialize(bis);
+#endif
+#if defined(CONFIG_MCFFEC)
+ mcffec_initialize(bis);
+#endif
+ return 0;
+}
+#endif