[PATCH linux-next (v2) 1/3] MIPS: bcm963xx: Add nvram structure
Simon Arlott
simon at fire.lp0.eu
Thu Dec 10 15:04:27 PST 2015
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 <simon at 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 <prashant at 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
More information about the linux-mtd
mailing list