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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/mips/emma/common
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/mips/emma/common')
-rw-r--r--arch/mips/emma/common/Makefile10
-rw-r--r--arch/mips/emma/common/prom.c69
2 files changed, 79 insertions, 0 deletions
diff --git a/arch/mips/emma/common/Makefile b/arch/mips/emma/common/Makefile
new file mode 100644
index 000000000..f27d84d19
--- /dev/null
+++ b/arch/mips/emma/common/Makefile
@@ -0,0 +1,10 @@
+#
+# Copyright (C) NEC Electronics Corporation 2005-2006
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+
+obj-$(CONFIG_NEC_MARKEINS) += prom.o
diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c
new file mode 100644
index 000000000..cae42259d
--- /dev/null
+++ b/arch/mips/emma/common/prom.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) NEC Electronics Corporation 2004-2006
+ *
+ * This file is based on the arch/mips/ddb5xxx/common/prom.c
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/emma/emma2rh.h>
+
+const char *get_system_type(void)
+{
+#ifdef CONFIG_NEC_MARKEINS
+ return "NEC EMMA2RH Mark-eins";
+#else
+#error Unknown NEC board
+#endif
+}
+
+/* [jsun@junsun.net] PMON passes arguments in C main() style */
+void __init prom_init(void)
+{
+ int argc = fw_arg0;
+ char **arg = (char **)fw_arg1;
+ int i;
+
+ /* if user passes kernel args, ignore the default one */
+ if (argc > 1)
+ arcs_cmdline[0] = '\0';
+
+ /* arg[0] is "g", the rest is boot parameters */
+ for (i = 1; i < argc; i++) {
+ if (strlen(arcs_cmdline) + strlen(arg[i]) + 1
+ >= sizeof(arcs_cmdline))
+ break;
+ strcat(arcs_cmdline, arg[i]);
+ strcat(arcs_cmdline, " ");
+ }
+
+#ifdef CONFIG_NEC_MARKEINS
+ add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM);
+#else
+#error Unknown NEC board
+#endif
+}
+
+void __init prom_free_prom_memory(void)
+{
+}