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 Sequoia
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Valentine Barshak <vbarshak@ru.mvista.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright 2007 MontaVista Software, Inc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Copyright IBM Corporation, 2007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * Copyright IBM Corporation, 2007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <stdarg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <stddef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "types.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "elf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "string.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "stdio.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "page.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "ops.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "dcr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "4xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include "44x.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include "cuboot.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define TARGET_4xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define TARGET_44x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include "ppcboot.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static bd_t bd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static void sequoia_fixups(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	unsigned long sysclk = 33333333;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	ibm4xx_denali_fixup_memsize();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)                    unsigned long r6, unsigned long r7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	CUBOOT_INIT();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	platform_ops.fixups = sequoia_fixups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	platform_ops.exit = ibm44x_dbcr_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	fdt_init(_dtb_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	serial_console_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }