[POWERPC] 82xx: Embedded Planet EP8248E support

This board is also resold by Freescale under the names
"QUICCStart MPC8248 Evaluation System" and "CWH-PPC-8248N-VE".

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/arch/powerpc/boot/ep8248e.c b/arch/powerpc/boot/ep8248e.c
new file mode 100644
index 000000000000..f57d14d0272b
--- /dev/null
+++ b/arch/powerpc/boot/ep8248e.c
@@ -0,0 +1,55 @@
+/*
+ * Embedded Planet EP8248E with PlanetCore firmware
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "planetcore.h"
+#include "pq2.h"
+
+static char *table;
+static u64 mem_size;
+
+#include <io.h>
+
+static void platform_fixups(void)
+{
+        u64 val;
+
+        dt_fixup_memory(0, mem_size);
+        planetcore_set_mac_addrs(table);
+
+        if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
+                printf("No PlanetCore crystal frequency key.\r\n");
+                return;
+        }
+
+        pq2_fixup_clocks(val);
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                   unsigned long r6, unsigned long r7)
+{
+        table = (char *)r3;
+        planetcore_prepare_table(table);
+
+        if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
+                return;
+
+        mem_size *= 1024 * 1024;
+        simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
+
+        fdt_init(_dtb_start);
+
+        planetcore_set_stdout_path(table);
+        serial_console_init();
+        platform_ops.fixups = platform_fixups;
+}