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)  * Embedded Planet EP88xC with PlanetCore firmware
^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 "planetcore.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "mpc8xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static char *table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static u64 mem_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static void platform_fixups(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	u64 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	dt_fixup_memory(0, mem_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	planetcore_set_mac_addrs(table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		printf("No PlanetCore crystal frequency key.\r\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	mpc885_fixup_clocks(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)                    unsigned long r6, unsigned long r7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	table = (char *)r3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	planetcore_prepare_table(table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	mem_size *= 1024 * 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	fdt_init(_dtb_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	planetcore_set_stdout_path(table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	serial_console_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	platform_ops.fixups = platform_fixups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }