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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/powerpc/boot/ep8248e.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/boot/ep8248e.c')
-rw-r--r--arch/powerpc/boot/ep8248e.c55
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 000000000..f57d14d02
--- /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;
+}