--- zzzz-none-000/linux-4.1.38/arch/arm/kernel/setup.c	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/arch/arm/kernel/setup.c	2020-11-25 10:06:48.000000000 +0000
@@ -57,9 +57,17 @@
 #include <asm/unwind.h>
 #include <asm/memblock.h>
 #include <asm/virt.h>
+#if defined(CONFIG_AVM_ENHANCED)
+#include <asm/mach_avm.h>
+#include <linux/env.h>
+#endif/*--- #if defined(CONFIG_AVM_ENHANCED) ---*/
 
+#ifdef CONFIG_AVM_ENHANCED
+#include <linux/avm_kernel_config.h>
+#endif
 #include "atags.h"
 
+char eva_urlader_env[SZ_16K];
 
 #if defined(CONFIG_FPE_NWFPE) || defined(CONFIG_FPE_FASTFPE)
 char fpe_type[8];
@@ -227,6 +235,26 @@
 	"?(17)",
 };
 
+/* PROM environment functions */
+char *prom_getenv(char *env_name) {
+	/*
+	 * Return a pointer to the given environment variable.  prom_envp
+	 * points to a null terminated array of pointers to variables.
+	 */
+
+	char **var = (char **)eva_urlader_env;
+	int i = strlen(env_name);
+
+	while (*var) {
+		if (strncmp(env_name, *var, i) == 0) {
+			return *(var+1);
+		}
+		var+=2;
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(prom_getenv);
+
 #ifdef CONFIG_CPU_V7M
 static int __get_cpu_architecture(void)
 {
@@ -786,6 +814,9 @@
 		if (kernel_data.start >= res->start &&
 		    kernel_data.end <= res->end)
 			request_resource(res, &kernel_data);
+#if defined(CONFIG_AVM_ENHANCED)
+		module_alloc_bootmem_init(res, __phys_to_virt(SZ_8M));
+#endif/*--- #if defined(CONFIG_AVM_ENHANCED) ---*/
 	}
 
 	if (mdesc->video_start) {
@@ -915,9 +946,22 @@
 	const struct machine_desc *mdesc;
 
 	setup_processor();
+
+#if defined(CONFIG_AVM_ENHANCED) && defined(CONFIG_OF)
+	init_avm_kernel_config();
+	//Erst atags auslesen um da cmdline und memsize rauszuholen
+	mdesc = setup_machine_tags(__atags_pointer, __machine_arch_type);
+	strlcpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE);
+	//danach weitere Werte aus dem eigebetteten Device Tree auslesen
+	//TODO: HWSubrevision auswerten
+	mdesc = setup_machine_fdt(virt_to_phys(avm_kernel_config_device_tree[0]));
+	//printk(KERN_ERR"[%s] %x \n", __func__, (unsigned int)avm_kernel_config_device_tree[0]);
+
+#else
 	mdesc = setup_machine_fdt(__atags_pointer);
 	if (!mdesc)
 		mdesc = setup_machine_tags(__atags_pointer, __machine_arch_type);
+#endif
 	machine_desc = mdesc;
 	machine_name = mdesc->name;
 	dump_stack_set_arch_desc("%s", mdesc->name);
@@ -930,8 +974,10 @@
 	init_mm.end_data   = (unsigned long) _edata;
 	init_mm.brk	   = (unsigned long) _end;
 
+#if !(defined(CONFIG_AVM_ENHANCED) && defined(CONFIG_OF))
 	/* populate cmd_line too for later use, preserving boot_command_line */
 	strlcpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE);
+#endif
 	*cmdline_p = cmd_line;
 
 	parse_early_param();
@@ -1136,3 +1182,8 @@
 	.stop	= c_stop,
 	.show	= c_show
 };
+
+/*--- Kernel-Schnittstellen-Funktion für das LED-Modul ---*/
+enum _led_event { /* DUMMY DEFINITION */ LastEvent = 0 };
+int (*led_event_action)(int, enum _led_event , unsigned int ) = NULL;
+EXPORT_SYMBOL(led_event_action);