1
0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-11 09:03:08 +02:00
openwrt-xburst/target/linux/brcm47xx/patches-3.3/400-arch-bcm47xx.patch
hauke 5ce0dd5cbe brcm47xx: fix nvram read out on devices with serial flash
detect nvram on Linksys E3200


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31790 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-05-18 16:04:10 +00:00

57 lines
1.3 KiB
Diff

--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -274,3 +274,30 @@ int nvram_getenv(char *name, char *val,
return NVRAM_ERR_ENVNOTFOUND;
}
EXPORT_SYMBOL(nvram_getenv);
+
+char *nvram_get(const char *name)
+{
+ char *var, *value, *end, *eq;
+
+ if (!name)
+ return NULL;
+
+ if (!nvram_buf[0])
+ early_nvram_init();
+
+ /* Look for name=value and return value */
+ var = &nvram_buf[sizeof(struct nvram_header)];
+ end = nvram_buf + sizeof(nvram_buf) - 2;
+ end[0] = end[1] = '\0';
+ for (; *var; var = value + strlen(value) + 1) {
+ eq = strchr(var, '=');
+ if (!eq)
+ break;
+ value = eq + 1;
+ if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
+ return value;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(nvram_get);
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -379,3 +379,20 @@ static int __init bcm47xx_register_flash
return -1;
}
fs_initcall(bcm47xx_register_flash);
+
+static int __init bcm47xx_register_gpiodev(void)
+{
+ static struct resource res = {
+ .start = 0xFFFFFFFF,
+ };
+ struct platform_device *pdev;
+
+ pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
+ if (!pdev) {
+ printk(KERN_ERR "bcm47xx: GPIODEV init failed\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+device_initcall(bcm47xx_register_gpiodev);