--- zzzz-none-000/linux-4.4.271/arch/arm/include/asm/prom.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/arch/arm/include/asm/prom.h	2023-04-19 10:22:27.000000000 +0000
@@ -26,4 +26,31 @@
 static inline void arm_dt_init_cpu_maps(void) { }
 
 #endif /* CONFIG_OF */
+
+/* AVM non-dt work-arounds follow */
+
+#if defined(CONFIG_ARCH_QCOM)
+#include <linux/kernel.h>
+#include <linux/printk.h>
+#define prom_printf early_printk
+#else
+extern void prom_printf(const char *fmt, ...);
+#endif
+extern char *prom_getcmdline(void);
+extern char *prom_getenv(char *name);
+
+
+
+extern char *arm_get_machine_name(void);
+extern void arm_set_machine_name(const char *name);
+/* Memory descriptor management. */
+#define PROM_MAX_PMEMBLOCKS    32
+struct prom_pmemblock {
+	unsigned long base; /* Within KSEG0. */
+	unsigned int size;  /* In bytes. */
+	unsigned int type;  /* free or prom memory */
+};
+
+
+#include <asm/prealloc_memory.h>
 #endif /* ASMARM_PROM_H */