Initial revision

cpu/mpc8xx/commproc.c

@@ -0,0 +1,112 @@
+/*
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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 <commproc.h>
+
+#ifdef CFG_ALLOC_DPRAM
+
+int dpram_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* Reclaim the DP memory for our use. */
+	gd->dp_alloc_base = CPM_DATAONLY_BASE;
+	gd->dp_alloc_top  = CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE;
+
+	return (0);
+}
+
+/* Allocate some memory from the dual ported ram.  We may want to
+ * enforce alignment restrictions, but right now everyone is a good
+ * citizen.
+ */
+uint dpram_alloc (uint size)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	uint addr = gd->dp_alloc_base;
+
+	if ((gd->dp_alloc_base + size) >= gd->dp_alloc_top)
+		return (CPM_DP_NOSPACE);
+
+	gd->dp_alloc_base += size;
+
+	return addr;
+}
+
+uint dpram_base (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	return gd->dp_alloc_base;
+}
+
+/* Allocate some memory from the dual ported ram.  We may want to
+ * enforce alignment restrictions, but right now everyone is a good
+ * citizen.
+ */
+uint dpram_alloc_align (uint size, uint align)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	uint addr, mask = align - 1;
+
+	addr = (gd->dp_alloc_base + mask) & ~mask;
+
+	if ((addr + size) >= gd->dp_alloc_top)
+		return (CPM_DP_NOSPACE);
+
+	gd->dp_alloc_base = addr + size;
+
+	return addr;
+}
+
+uint dpram_base_align (uint align)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	uint mask = align - 1;
+
+	return (gd->dp_alloc_base + mask) & ~mask;
+}
+#endif	/* CFG_ALLOC_DPRAM */
+
+#ifdef CONFIG_POST
+
+void post_word_store (ulong a)
+{
+	volatile void *save_addr =
+		((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR;
+
+	*(volatile ulong *) save_addr = a;
+}
+
+ulong post_word_load (void)
+{
+	volatile void *save_addr =
+		((immap_t *) CFG_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR;
+
+	return *(volatile ulong *) save_addr;
+}
+
+#endif	/* CONFIG_POST */

post/post.c

@@ -0,0 +1,318 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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 <console.h>
+#include <watchdog.h>
+#include <post.h>
+
+#ifdef CONFIG_POST
+
+#define POST_MAX_NUMBER		32
+
+#define BOOTMODE_MAGIC	0xDEAD0000
+
+void post_bootmode_init (void)
+{
+	int bootmode = post_bootmode_get (0);
+
+	if (bootmode == 0) {
+		bootmode = POST_POWERON;
+	} else if (bootmode == POST_POWERON) {
+		bootmode = POST_POWERNORMAL;
+	} else {
+		return;
+	}
+
+	post_word_store (BOOTMODE_MAGIC | bootmode);
+}
+
+int post_bootmode_get (unsigned int *last_test)
+{
+	unsigned long word = post_word_load ();
+	int bootmode;
+
+	if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
+		return 0;
+	}
+
+	bootmode = word & 0xFF;
+
+	if (last_test && (bootmode & POST_POWERTEST)) {
+		*last_test = (word >> 8) & 0xFF;
+	}
+
+	return bootmode;
+}
+
+void post_bootmode_clear (void)
+{
+	post_word_store (0);
+}
+
+static void post_bootmode_test_on (unsigned int last_test)
+{
+	unsigned long word = post_word_load ();
+
+	word |= POST_POWERTEST;
+
+	word |= (last_test & 0xFF) << 8;
+
+	post_word_store (word);
+}
+
+static void post_bootmode_test_off (void)
+{
+	unsigned long word = post_word_load ();
+
+	word &= ~POST_POWERTEST;
+
+	post_word_store (word);
+}
+
+static void post_get_flags (int *test_flags)
+{
+	int flag[] = { POST_POWERON, POST_POWERNORMAL, POST_POWERFAIL };
+	char *var[] = { "post_poweron", "post_normal", "post_shutdown" };
+	int varnum = sizeof (var) / sizeof (var[0]);
+	char list[128];			/* long enough for POST list */
+	char *name;
+	char *s;
+	int last;
+	int i, j;
+
+	for (j = 0; j < post_list_size; j++) {
+		test_flags[j] = post_list[j].flags;
+	}
+
+	for (i = 0; i < varnum; i++) {
+		if (getenv_r (var[i], list, sizeof (list)) <= 0)
+			continue;
+
+		for (j = 0; j < post_list_size; j++) {
+			test_flags[j] &= ~flag[i];
+		}
+
+		last = 0;
+		name = list;
+		while (!last) {
+			while (*name && *name == ' ')
+				name++;
+			if (*name == 0)
+				break;
+			s = name + 1;
+			while (*s && *s != ' ')
+				s++;
+			if (*s == 0)
+				last = 1;
+			else
+				*s = 0;
+
+			for (j = 0; j < post_list_size; j++) {
+				if (strcmp (post_list[j].cmd, name) == 0) {
+					test_flags[j] |= flag[i];
+					break;
+				}
+			}
+
+			if (j == post_list_size) {
+				printf ("No such test: %s\n", name);
+			}
+
+			name = s + 1;
+		}
+	}
+}
+
+static int post_run_single (struct post_test *test,
+				int test_flags, int flags, unsigned int i)
+{
+	if ((flags & test_flags & POST_ALWAYS) &&
+		(flags & test_flags & POST_MEM)) {
+		WATCHDOG_RESET ();
+
+		if (!(flags & POST_REBOOT)) {
+			if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
+				post_bootmode_test_on (i);
+			}
+
+			post_log ("START %s\n", test->cmd);
+		}
+
+		if ((*test->test) (flags) != 0)
+			post_log ("FAILED\n");
+		else
+			post_log ("PASSED\n");
+
+		if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
+			post_bootmode_test_off ();
+		}
+
+		return 0;
+	} else {
+		return -1;
+	}
+}
+
+int post_run (char *name, int flags)
+{
+	unsigned int i;
+	int test_flags[POST_MAX_NUMBER];
+
+	post_get_flags (test_flags);
+
+	if (name == NULL) {
+		unsigned int last;
+
+		if (post_bootmode_get (&last) & POST_POWERTEST) {
+			if (last < post_list_size &&
+				(flags & test_flags[last] & POST_ALWAYS) &&
+				(flags & test_flags[last] & POST_MEM)) {
+
+				post_run_single (post_list + last, test_flags[last],
+								 flags | POST_REBOOT, last);
+
+				for (i = last + 1; i < post_list_size; i++) {
+					post_run_single (post_list + i, test_flags[i],
+									 flags, i);
+				}
+			}
+		} else {
+			for (i = 0; i < post_list_size; i++) {
+				post_run_single (post_list + i, test_flags[i], flags,
+								 i);
+			}
+		}
+
+		return 0;
+	} else {
+		for (i = 0; i < post_list_size; i++) {
+			if (strcmp (post_list[i].cmd, name) == 0)
+				break;
+		}
+
+		if (i < post_list_size) {
+			return post_run_single (post_list + i,
+						test_flags[i],
+						flags, i);
+		} else {
+			return -1;
+		}
+	}
+}
+
+static int post_info_single (struct post_test *test, int full)
+{
+	if (test->flags & POST_MANUAL) {
+		if (full)
+			printf ("%s - %s\n"
+				"  %s\n", test->cmd, test->name, test->desc);
+		else
+			printf ("  %-15s - %s\n", test->cmd, test->name);
+
+		return 0;
+	} else {
+		return -1;
+	}
+}
+
+int post_info (char *name)
+{
+	unsigned int i;
+
+	if (name == NULL) {
+		for (i = 0; i < post_list_size; i++) {
+			post_info_single (post_list + i, 0);
+		}
+
+		return 0;
+	} else {
+		for (i = 0; i < post_list_size; i++) {
+			if (strcmp (post_list[i].cmd, name) == 0)
+				break;
+		}
+
+		if (i < post_list_size) {
+			return post_info_single (post_list + i, 1);
+		} else {
+			return -1;
+		}
+	}
+}
+
+int post_log (char *format, ...)
+{
+	va_list args;
+	uint i;
+	char printbuffer[CFG_PBSIZE];
+
+	va_start (args, format);
+
+	/* For this to work, printbuffer must be larger than
+	 * anything we ever want to print.
+	 */
+	i = vsprintf (printbuffer, format, args);
+	va_end (args);
+
+	/* Send to the stdout file */
+	puts (printbuffer);
+
+	return 0;
+}
+
+void post_reloc (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	unsigned int i;
+
+	/*
+	 * We have to relocate the test table manually
+	 */
+	for (i = 0; i < post_list_size; i++) {
+		ulong addr;
+		struct post_test *test = post_list + i;
+
+		if (test->name) {
+			addr = (ulong) (test->name) + gd->reloc_off;
+			test->name = (char *) addr;
+		}
+
+		if (test->cmd) {
+			addr = (ulong) (test->cmd) + gd->reloc_off;
+			test->cmd = (char *) addr;
+		}
+
+		if (test->desc) {
+			addr = (ulong) (test->desc) + gd->reloc_off;
+			test->desc = (char *) addr;
+		}
+
+		if (test->test) {
+			addr = (ulong) (test->test) + gd->reloc_off;
+			test->test = (int (*)(int flags)) addr;
+		}
+	}
+}
+
+#endif /* CONFIG_POST */