The BCM963xx has multiple nvram variants across different SoCs with
additional checksum fields added whenever the size of the nvram was
extended.

Signed-off-by: Simon Arlott <si...@fire.lp0.eu>
---
v2: Use external struct bcm963xx_nvram definition for bcm963268part.

 MAINTAINERS                         |  1 +
 include/uapi/linux/bcm963xx_nvram.h | 39 +++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 include/uapi/linux/bcm963xx_nvram.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 1354720..5d2272c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2396,6 +2396,7 @@ F:        drivers/irqchip/irq-brcmstb*
 F:     drivers/power/bcm6358*
 F:     drivers/reset/bcm/reset-bcm6345*
 F:     include/linux/bcm63xx_wdt.h
+F:     include/uapi/linux/bcm963xx_nvram.h
 
 BROADCOM TG3 GIGABIT ETHERNET DRIVER
 M:     Prashant Sreedharan <prash...@broadcom.com>
diff --git a/include/uapi/linux/bcm963xx_nvram.h 
b/include/uapi/linux/bcm963xx_nvram.h
new file mode 100644
index 0000000..470a4b9
--- /dev/null
+++ b/include/uapi/linux/bcm963xx_nvram.h
@@ -0,0 +1,39 @@
+#ifndef _UAPI__LINUX_BCM963XX_NVRAM_H__
+#define _UAPI__LINUX_BCM963XX_NVRAM_H__
+
+#include <linux/sizes.h>
+#include <linux/types.h>
+#include <linux/if_ether.h>
+
+#define BCM963XX_NVRAM_V4_SIZE         300
+#define BCM963XX_NVRAM_V5_SIZE         (1 * SZ_1K)
+#define BCM963XX_NVRAM_V6_SIZE         BCM963XX_NVRAM_V5_SIZE
+#define BCM963XX_NVRAM_V7_SIZE         (3 * SZ_1K)
+
+#define BCM963XX_NVRAM_NR_PARTS                5
+
+struct bcm963xx_nvram {
+       u32     version;
+       char    bootline[256];
+       char    name[16];
+       u32     main_tp_number;
+       u32     psi_size;
+       u32     mac_addr_count;
+       u8      mac_addr_base[ETH_ALEN];
+       u8      __reserved1[2];
+       u32     checksum_v4;
+
+       u8      __reserved2[292];
+       u32     nand_part_offset[BCM963XX_NVRAM_NR_PARTS];
+       u32     nand_part_size[BCM963XX_NVRAM_NR_PARTS];
+       u8      __reserved3[388];
+       union {
+               u32     checksum_v5;
+               u32     checksum_v6;
+       };
+
+       u8      __reserved4[2044];
+       u32     checksum_v7;
+} __packed;
+
+#endif /* _UAPI__LINUX_BCM963XX_NVRAM_H__ */
-- 
2.1.4

-- 
Simon Arlott
--
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