[POWERPC] bootwrapper: Add PlanetCore firmware support

This is a library that board code can use to extract information from the
PlanetCore configuration keys.  PlanetCore is used on various boards from
Embedded Planet.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/powerpc/boot/planetcore.h b/arch/powerpc/boot/planetcore.h
new file mode 100644
index 000000000000..0d4094f1771c
--- /dev/null
+++ b/arch/powerpc/boot/planetcore.h
@@ -0,0 +1,49 @@
+#ifndef _PPC_BOOT_PLANETCORE_H_
+#define _PPC_BOOT_PLANETCORE_H_
+
+#include "types.h"
+
+#define PLANETCORE_KEY_BOARD_TYPE   "BO"
+#define PLANETCORE_KEY_BOARD_REV    "BR"
+#define PLANETCORE_KEY_MB_RAM       "D1"
+#define PLANETCORE_KEY_MAC_ADDR     "EA"
+#define PLANETCORE_KEY_FLASH_SPEED  "FS"
+#define PLANETCORE_KEY_IP_ADDR      "IP"
+#define PLANETCORE_KEY_KB_NVRAM     "NV"
+#define PLANETCORE_KEY_PROCESSOR    "PR"
+#define PLANETCORE_KEY_PROC_VARIANT "PV"
+#define PLANETCORE_KEY_SERIAL_BAUD  "SB"
+#define PLANETCORE_KEY_SERIAL_PORT  "SP"
+#define PLANETCORE_KEY_SWITCH       "SW"
+#define PLANETCORE_KEY_TEMP_OFFSET  "TC"
+#define PLANETCORE_KEY_TARGET_IP    "TIP"
+#define PLANETCORE_KEY_CRYSTAL_HZ   "XT"
+
+/* Prepare the table for processing, by turning all newlines
+ * into NULL bytes.
+ */
+void planetcore_prepare_table(char *table);
+
+/* Return the value associated with a given key in text,
+ * decimal, or hex format.
+ *
+ * Returns zero/NULL on failure, non-zero on success.
+ */
+const char *planetcore_get_key(const char *table, const char *key);
+int planetcore_get_decimal(const char *table, const char *key, u64 *val);
+int planetcore_get_hex(const char *table, const char *key, u64 *val);
+
+/* Updates the device tree local-mac-address properties based
+ * on the EA tag.
+ */
+void planetcore_set_mac_addrs(const char *table);
+
+/* Sets the linux,stdout-path in the /chosen node.  This requires the
+ * linux,planetcore-label property in each serial node.
+ */
+void planetcore_set_stdout_path(const char *table);
+
+/* Sets the current-speed property in the serial node. */
+void planetcore_set_serial_speed(const char *table);
+
+#endif