Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * License.  See the file "COPYING" in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2003 Keith M Wesolowski
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright (C) 2005 Ilya A. Volynets (Total Knowledge)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/memblock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <asm/ip32/crime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/bootinfo.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) extern void crime_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) void __init prom_meminit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	u64 base, size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	int bank;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	crime_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	for (bank=0; bank < CRIME_MAXBANKS; bank++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		u64 bankctl = crime->bank_ctrl[bank];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		base = (bankctl & CRIME_MEM_BANK_CONTROL_ADDR) << 25;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		if (bank != 0 && base == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		size = (bankctl & CRIME_MEM_BANK_CONTROL_SDRAM_SIZE) ? 128 : 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		size <<= 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		if (base + size > (256 << 20))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 			base += CRIME_HI_MEM_BASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		printk("CRIME MC: bank %u base 0x%016Lx size %LuMiB\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 			bank, base, size >> 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		memblock_add(base, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) void __init prom_free_prom_memory(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }