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https://github.com/openwrt/openwrt.git
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1122b231f9
This adds support for parsing sprom form nvram for sprom version form 1 to 9. It also adds sprom from nvram support for devices on the bcma bus. SVN-Revision: 30638
57 lines
1.3 KiB
Diff
57 lines
1.3 KiB
Diff
--- a/arch/mips/bcm47xx/nvram.c
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+++ b/arch/mips/bcm47xx/nvram.c
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@@ -198,3 +198,30 @@ int nvram_getenv(char *name, char *val,
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return NVRAM_ERR_ENVNOTFOUND;
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}
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EXPORT_SYMBOL(nvram_getenv);
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+
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+char *nvram_get(const char *name)
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+{
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+ char *var, *value, *end, *eq;
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+
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+ if (!name)
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+ return NULL;
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+
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+ if (!nvram_buf[0])
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+ early_nvram_init();
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+
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+ /* Look for name=value and return value */
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+ var = &nvram_buf[sizeof(struct nvram_header)];
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+ end = nvram_buf + sizeof(nvram_buf) - 2;
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+ end[0] = end[1] = '\0';
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+ for (; *var; var = value + strlen(value) + 1) {
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+ eq = strchr(var, '=');
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+ if (!eq)
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+ break;
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+ value = eq + 1;
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+ if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
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+ return value;
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+ }
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+
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+ return NULL;
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+}
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+EXPORT_SYMBOL(nvram_get);
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--- a/arch/mips/bcm47xx/setup.c
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+++ b/arch/mips/bcm47xx/setup.c
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@@ -351,3 +351,20 @@ static int __init bcm47xx_register_flash
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return -1;
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}
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fs_initcall(bcm47xx_register_flash);
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+
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+static int __init bcm47xx_register_gpiodev(void)
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+{
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+ static struct resource res = {
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+ .start = 0xFFFFFFFF,
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+ };
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+ struct platform_device *pdev;
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+
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+ pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
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+ if (!pdev) {
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+ printk(KERN_ERR "bcm47xx: GPIODEV init failed\n");
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+ return -ENODEV;
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+ }
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+
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+ return 0;
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+}
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+device_initcall(bcm47xx_register_gpiodev);
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