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authorOlof Johansson <olof@lixom.net>2019-12-05 13:16:58 -0800
committerOlof Johansson <olof@lixom.net>2019-12-05 13:18:54 -0800
commit942e6f8a8314e5550e254519dfba4ccd5170421d (patch)
tree75ec655b440fbc1c454247af38b5596dd8c78de9 /arch/mips/loongson2ef/common/machtype.c
parent336bab731be76a90291697e51d2aed0ad67d7cb5 (diff)
parentb08baef02b26cf7c2123e4a24a2fa1fb7a593ffb (diff)
Merge mainline/master into arm/fixes
This brings in the mainline tree right after armsoc contents was merged this release cycle, so that we can re-run savedefconfig, etc. Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/mips/loongson2ef/common/machtype.c')
-rw-r--r--arch/mips/loongson2ef/common/machtype.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/mips/loongson2ef/common/machtype.c b/arch/mips/loongson2ef/common/machtype.c
new file mode 100644
index 000000000000..82f6de49f20f
--- /dev/null
+++ b/arch/mips/loongson2ef/common/machtype.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2009 Lemote Inc.
+ * Author: Wu Zhangjin, wuzhangjin@gmail.com
+ *
+ * Copyright (c) 2009 Zhang Le <r0bertz@gentoo.org>
+ */
+#include <linux/errno.h>
+#include <asm/bootinfo.h>
+
+#include <loongson.h>
+#include <machine.h>
+
+/* please ensure the length of the machtype string is less than 50 */
+#define MACHTYPE_LEN 50
+
+static const char *system_types[] = {
+ [MACH_LOONGSON_UNKNOWN] = "unknown loongson machine",
+ [MACH_LEMOTE_FL2E] = "lemote-fuloong-2e-box",
+ [MACH_LEMOTE_FL2F] = "lemote-fuloong-2f-box",
+ [MACH_LEMOTE_ML2F7] = "lemote-mengloong-2f-7inches",
+ [MACH_LEMOTE_YL2F89] = "lemote-yeeloong-2f-8.9inches",
+ [MACH_DEXXON_GDIUM2F10] = "dexxon-gdium-2f",
+ [MACH_LEMOTE_NAS] = "lemote-nas-2f",
+ [MACH_LEMOTE_LL2F] = "lemote-lynloong-2f",
+ [MACH_LOONGSON_END] = NULL,
+};
+
+const char *get_system_type(void)
+{
+ return system_types[mips_machtype];
+}
+
+void __weak __init mach_prom_init_machtype(void)
+{
+}
+
+void __init prom_init_machtype(void)
+{
+ char *p, str[MACHTYPE_LEN + 1];
+ int machtype = MACH_LEMOTE_FL2E;
+
+ mips_machtype = LOONGSON_MACHTYPE;
+
+ p = strstr(arcs_cmdline, "machtype=");
+ if (!p) {
+ mach_prom_init_machtype();
+ return;
+ }
+ p += strlen("machtype=");
+ strncpy(str, p, MACHTYPE_LEN);
+ str[MACHTYPE_LEN] = '\0';
+ p = strstr(str, " ");
+ if (p)
+ *p = '\0';
+
+ for (; system_types[machtype]; machtype++)
+ if (strstr(system_types[machtype], str)) {
+ mips_machtype = machtype;
+ break;
+ }
+}