Restructure POST directory to support of other CPUs, boards, etc.
diff --git a/post/drivers/i2c.c b/post/drivers/i2c.c
new file mode 100644
index 0000000..1b2e644
--- /dev/null
+++ b/post/drivers/i2c.c
@@ -0,0 +1,94 @@
+/*
+ * (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>
+
+#ifdef CONFIG_POST
+
+/*
+ * I2C test
+ *
+ * For verifying the I2C bus, a full I2C bus scanning is performed.
+ *
+ * #ifdef I2C_ADDR_LIST
+ * The test is considered as passed if all the devices and
+ * only the devices in the list are found.
+ * #else [ ! I2C_ADDR_LIST ]
+ * The test is considered as passed if any I2C device is found.
+ * #endif
+ */
+
+#include <post.h>
+#include <i2c.h>
+
+#if CONFIG_POST & CFG_POST_I2C
+
+int i2c_post_test (int flags)
+{
+ unsigned int i;
+ unsigned int good = 0;
+#ifdef I2C_ADDR_LIST
+ unsigned int bad = 0;
+ int j;
+ unsigned char i2c_addr_list[] = I2C_ADDR_LIST;
+ unsigned char i2c_miss_list[] = I2C_ADDR_LIST;
+#endif
+
+ for (i = 0; i < 128; i++) {
+ if (i2c_probe (i) == 0) {
+#ifndef I2C_ADDR_LIST
+ good++;
+#else /* I2C_ADDR_LIST */
+ for (j=0; j<sizeof(i2c_addr_list); ++j) {
+ if (i == i2c_addr_list[j]) {
+ good++;
+ i2c_miss_list[j] = 0xFF;
+ break;
+ }
+ }
+ if (j == sizeof(i2c_addr_list)) {
+ bad++;
+ post_log ("I2C: addr %02X not expected\n",
+ i);
+ }
+#endif /* I2C_ADDR_LIST */
+ }
+ }
+
+#ifndef I2C_ADDR_LIST
+ return good > 0 ? 0 : -1;
+#else /* I2C_ADDR_LIST */
+ if (good != sizeof(i2c_addr_list)) {
+ for (j=0; j<sizeof(i2c_miss_list); ++j) {
+ if (i2c_miss_list[j] != 0xFF) {
+ post_log ("I2C: addr %02X did not respond\n",
+ i2c_miss_list[j]);
+ }
+ }
+ }
+ return ((good == sizeof(i2c_addr_list)) && (bad == 0)) ? 0 : -1;
+#endif
+}
+
+#endif /* CONFIG_POST & CFG_POST_I2C */
+#endif /* CONFIG_POST */