Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Old U-boot compatibility for 83xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Author: Scott Wood <scottwood@freescale.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright (c) 2007 Freescale Semiconductor, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "ops.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "stdio.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "cuboot.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define TARGET_83xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "ppcboot.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) static bd_t bd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static void platform_fixups(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	void *soc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	/* Unfortunately, the specific model number is encoded in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	 * soc node name in existing dts files -- once that is fixed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	 * this can do a simple path lookup.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	soc = find_node_by_devtype(NULL, "soc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	if (soc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		void *serial = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		setprop(soc, "bus-frequency", &bd.bi_busfreq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		        sizeof(bd.bi_busfreq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		while ((serial = find_node_by_devtype(serial, "serial"))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 			if (get_parent(serial) != soc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 			setprop(serial, "clock-frequency", &bd.bi_busfreq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 			        sizeof(bd.bi_busfreq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)                    unsigned long r6, unsigned long r7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	CUBOOT_INIT();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	fdt_init(_dtb_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	serial_console_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	platform_ops.fixups = platform_fixups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }