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-rw-r--r--target/linux/bcm53xx/files/include/linux/bcm47xx_nvram.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/files/include/linux/bcm47xx_nvram.h b/target/linux/bcm53xx/files/include/linux/bcm47xx_nvram.h
new file mode 100644
index 0000000000..333d32c3f9
--- /dev/null
+++ b/target/linux/bcm53xx/files/include/linux/bcm47xx_nvram.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2005, Broadcom Corporation
+ * Copyright (C) 2006, Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2014 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * 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.
+ */
+
+#ifndef __BCM47XX_NVRAM_H
+#define __BCM47XX_NVRAM_H
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+struct nvram_header {
+ u32 magic;
+ u32 len;
+ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
+ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
+ u32 config_ncdl; /* ncdl values for memc */
+};
+
+#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
+#define NVRAM_VERSION 1
+#define NVRAM_HEADER_SIZE 20
+#define NVRAM_SPACE 0x8000
+
+#define FLASH_MIN 0x00020000 /* Minimum flash size */
+
+#define NVRAM_MAX_VALUE_LEN 255
+#define NVRAM_MAX_PARAM_LEN 64
+
+#ifdef CONFIG_BCM47XX
+int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
+
+int bcm47xx_nvram_gpio_pin(const char *name);
+#else
+static inline int bcm47xx_nvram_getenv(const char *name, char *val,
+ size_t val_len)
+{
+ return -ENXIO;
+}
+
+static inline int bcm47xx_nvram_gpio_pin(const char *name)
+{
+ return -ENXIO;
+}
+#endif
+
+static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
+{
+ if (strchr(buf, ':'))
+ sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
+ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
+ &macaddr[5]);
+ else if (strchr(buf, '-'))
+ sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
+ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
+ &macaddr[5]);
+ else
+ pr_warn("Can not parse mac address: %s\n", buf);
+}
+#endif /* __BCM47XX_NVRAM_H */