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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/powerpc/boot/ep88xc.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/boot/ep88xc.c')
-rw-r--r--arch/powerpc/boot/ep88xc.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/powerpc/boot/ep88xc.c b/arch/powerpc/boot/ep88xc.c
new file mode 100644
index 000000000..1c277a13b
--- /dev/null
+++ b/arch/powerpc/boot/ep88xc.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Embedded Planet EP88xC with PlanetCore firmware
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "planetcore.h"
+#include "mpc8xx.h"
+
+static char *table;
+static u64 mem_size;
+
+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;
+ }
+
+ mpc885_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;
+}