Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Motload compatibility for the Emerson/Artesyn MVME7100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Author: Alessio Igor Bogani <alessio.bogani@elettra.eu>
^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_86xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define TARGET_HAS_ETH1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define TARGET_HAS_ETH2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define TARGET_HAS_ETH3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "ppcboot.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static bd_t bd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) BSS_STACK(16384);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static void mvme7100_fixups(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	void *devp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	unsigned long busfreq = bd.bi_busfreq * 1000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	dt_fixup_cpu_clocks(bd.bi_intfreq * 1000000, busfreq / 4, busfreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	devp = finddevice("/soc@f1000000");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	if (devp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		setprop(devp, "bus-frequency", &busfreq, sizeof(busfreq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	devp = finddevice("/soc/serial@4500");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	if (devp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		setprop(devp, "clock-frequency", &busfreq, sizeof(busfreq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr);
^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) void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 		   unsigned long r6, unsigned long r7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	CUBOOT_INIT();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	fdt_init(_dtb_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	serial_console_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	platform_ops.fixups = mvme7100_fixups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }