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-rw-r--r--qemu/roms/u-boot/post/board/pdm360ng/Makefile8
-rw-r--r--qemu/roms/u-boot/post/board/pdm360ng/coproc_com.c78
2 files changed, 86 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/post/board/pdm360ng/Makefile b/qemu/roms/u-boot/post/board/pdm360ng/Makefile
new file mode 100644
index 000000000..9aa96a1f6
--- /dev/null
+++ b/qemu/roms/u-boot/post/board/pdm360ng/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2010 DENX Software Engineering
+# Anatolij Gustschin, agust@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += coproc_com.o
diff --git a/qemu/roms/u-boot/post/board/pdm360ng/coproc_com.c b/qemu/roms/u-boot/post/board/pdm360ng/coproc_com.c
new file mode 100644
index 000000000..e11b69bdc
--- /dev/null
+++ b/qemu/roms/u-boot/post/board/pdm360ng/coproc_com.c
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2010 DENX Software Engineering,
+ * Anatolij Gustschin, agust@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * Co-Processor communication POST
+ */
+#include <common.h>
+#include <post.h>
+#include <serial.h>
+
+/*
+ * Actually the termination sequence of the coprocessor
+ * commands is "\r\n" (CR LF), but here we use a side effect of
+ * the putc() routine of the serial driver which checks for LF
+ * and sends CR before sending LF. Therefore the termination
+ * sequence in the command below is only "\n".
+ * "alive" string is the coprocessor response for ping command
+ * and not a command, therefore it is terminated with "\r\n".
+ */
+char alive[] = "$AL;38\r\n";
+char ping[] = "$PI;2C\n";
+
+int coprocessor_post_test(int flags)
+{
+ struct stdio_dev *cop_port;
+ int ret;
+ char buf[10];
+
+ /* Test IO Coprocessor communication */
+ cop_port = open_port(4, CONFIG_SYS_PDM360NG_COPROC_BAUDRATE);
+ if (!cop_port)
+ return -1;
+
+ write_port(cop_port, ping);
+ udelay(CONFIG_SYS_PDM360NG_COPROC_READ_DELAY);
+
+ memset(buf, 0, sizeof(buf));
+ ret = read_port(cop_port, buf, sizeof(buf));
+ close_port(4);
+ if (ret <= 0) {
+ post_log("Error: Can't read IO Coprocessor port.\n");
+ return -1;
+ }
+
+ if (strcmp(buf, alive)) {
+ post_log("Error: IO-Cop. resp.: %s\n", buf);
+ return -1;
+ }
+
+ /* Test WD Coprocessor communication */
+ cop_port = open_port(1, CONFIG_SYS_PDM360NG_COPROC_BAUDRATE);
+ if (!cop_port) {
+ post_log("Error: Can't open WD Coprocessor port.\n");
+ return -1;
+ }
+
+ write_port(cop_port, ping);
+ udelay(CONFIG_SYS_PDM360NG_COPROC_READ_DELAY);
+
+ memset(buf, 0, sizeof(buf));
+ ret = read_port(cop_port, buf, sizeof(buf));
+ close_port(1);
+ if (ret <= 0) {
+ post_log("Error: Can't read WD Coprocessor port.\n");
+ return -1;
+ }
+
+ if (strcmp(buf, alive)) {
+ post_log("Error: WD-Cop. resp.: %s\n", buf);
+ return -1;
+ }
+
+ return 0;
+}