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)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  Copyright (C) 2013 John Crispin <john@phrozen.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/of_fdt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/bootinfo.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm/addrspace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/mach-ralink/ralink_regs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct ralink_soc_info soc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct rt2880_pmx_group *rt2880_pinmux_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) enum ralink_soc_type ralink_soc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) EXPORT_SYMBOL_GPL(ralink_soc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) const char *get_system_type(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	return soc_info.sys_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static __init void prom_init_cmdline(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	int argc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	char **argv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	       (unsigned int)fw_arg0, (unsigned int)fw_arg1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	       (unsigned int)fw_arg2, (unsigned int)fw_arg3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	argc = fw_arg0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	argv = (char **) KSEG1ADDR(fw_arg1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	if (!argv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		pr_debug("argv=%p is invalid, skipping\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		       argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 		return;
^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) 	for (i = 0; i < argc; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 		char *p = (char *) KSEG1ADDR(argv[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		if (CPHYSADDR(p) && *p) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 			pr_debug("argv[%d]: %s\n", i, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 			strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 			strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) void __init prom_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	prom_soc_init(&soc_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	pr_info("SoC Type: %s\n", get_system_type());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	prom_init_cmdline();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) void __init prom_free_prom_memory(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }