Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/arch/powerpc/boot/cuboot-taishan.c b/arch/powerpc/boot/cuboot-taishan.c
new file mode 100644
index 0000000000..3d40670b24
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-taishan.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Old U-boot compatibility for Taishan
+ *
+ * Author: Hugh Blemings <hugh@au.ibm.com>
+ *
+ * Copyright 2007 Hugh Blemings, IBM Corporation.
+ *   Based on cuboot-ebony.c which is:
+ * Copyright 2007 David Gibson, IBM Corporation.
+ *   Based on cuboot-83xx.c, which is:
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "cuboot.h"
+#include "reg.h"
+#include "dcr.h"
+#include "4xx.h"
+
+#define TARGET_4xx
+#define TARGET_44x
+#define TARGET_440GX
+#include "ppcboot.h"
+
+static bd_t bd;
+
+BSS_STACK(4096);
+
+static void taishan_fixups(void)
+{
+	/* FIXME: sysclk should be derived by reading the FPGA
+	   registers */
+	unsigned long sysclk = 33000000;
+
+	ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000);
+
+	ibm4xx_sdram_fixup_memsize();
+
+	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
+	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
+
+	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+		   unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+
+	platform_ops.fixups = taishan_fixups;
+	fdt_init(_dtb_start);
+	serial_console_init();
+}