mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-19 05:38:00 +00:00
59 lines
1.7 KiB
Diff
59 lines
1.7 KiB
Diff
From bda508f975d1372568a4fc9862be501a6176fd46 Mon Sep 17 00:00:00 2001
|
|
From: Jonas Gorski <jogo@openwrt.org>
|
|
Date: Sat, 12 May 2012 23:04:17 +0200
|
|
Subject: [PATCH v2 2/3] MIPS: BCM63XX: export PSI size from nvram
|
|
|
|
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
|
|
---
|
|
arch/mips/bcm63xx/nvram.c | 13 +++++++++++++
|
|
arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h | 7 +++++++
|
|
2 files changed, 20 insertions(+)
|
|
|
|
--- a/arch/mips/bcm63xx/nvram.c
|
|
+++ b/arch/mips/bcm63xx/nvram.c
|
|
@@ -15,6 +15,7 @@
|
|
#include <linux/export.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/if_ether.h>
|
|
+#include <linux/sizes.h>
|
|
|
|
#include <bcm63xx_nvram.h>
|
|
|
|
@@ -35,6 +36,8 @@ struct bcm963xx_nvram {
|
|
u32 checksum_high;
|
|
};
|
|
|
|
+#define BCM63XX_DEFAULT_PSI_SIZE SZ_64K
|
|
+
|
|
static struct bcm963xx_nvram nvram;
|
|
static int mac_addr_used;
|
|
|
|
@@ -104,3 +107,13 @@ int bcm63xx_nvram_get_mac_address(u8 *ma
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(bcm63xx_nvram_get_mac_address);
|
|
+
|
|
+unsigned int bcm63xx_nvram_get_psi_size(void)
|
|
+{
|
|
+ /* max is 64k, but some vendors use higher values */
|
|
+ if (nvram.psi_size > 0 && nvram.psi_size <= 512)
|
|
+ return nvram.psi_size * SZ_1K;
|
|
+
|
|
+ return BCM63XX_DEFAULT_PSI_SIZE;
|
|
+}
|
|
+EXPORT_SYMBOL(bcm63xx_nvram_get_psi_size);
|
|
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
|
|
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
|
|
@@ -30,4 +30,11 @@ u8 *bcm63xx_nvram_get_name(void);
|
|
*/
|
|
int bcm63xx_nvram_get_mac_address(u8 *mac);
|
|
|
|
+/**
|
|
+ * bcm63xx_nvram_get_psi_size() - returns the size of the PSI area
|
|
+ *
|
|
+ * Returns the size of the Persitent Storage Information area in bytes.
|
|
+ */
|
|
+unsigned int bcm63xx_nvram_get_psi_size(void);
|
|
+
|
|
#endif /* BCM63XX_NVRAM_H */
|