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 85xx
^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_85xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define TARGET_HAS_ETH3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "ppcboot.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static bd_t bd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static void platform_fixups(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	void *soc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	/* Unfortunately, the specific model number is encoded in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	 * soc node name in existing dts files -- once that is fixed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	 * this can do a simple path lookup.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	soc = find_node_by_devtype(NULL, "soc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	if (soc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		void *serial = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		setprop(soc, "bus-frequency", &bd.bi_busfreq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		        sizeof(bd.bi_busfreq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		while ((serial = find_node_by_devtype(serial, "serial"))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 			if (get_parent(serial) != soc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 			setprop(serial, "clock-frequency", &bd.bi_busfreq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 			        sizeof(bd.bi_busfreq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)                    unsigned long r6, unsigned long r7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	CUBOOT_INIT();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	fdt_init(_dtb_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	serial_console_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	platform_ops.fixups = platform_fixups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }