xref: /rk3399_rockchip-uboot/arch/arm/lib/bootm-fdt.c (revision 984a3c8777071700a5935758d0d542e7b3f97bb0)
16caa1956SSimon Glass /*
26caa1956SSimon Glass  * Copyright (c) 2013, Google Inc.
36caa1956SSimon Glass  *
46caa1956SSimon Glass  * Copyright (C) 2011
56caa1956SSimon Glass  * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
66caa1956SSimon Glass  *  - Added prep subcommand support
76caa1956SSimon Glass  *  - Reorganized source - modeled after powerpc version
86caa1956SSimon Glass  *
96caa1956SSimon Glass  * (C) Copyright 2002
106caa1956SSimon Glass  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
116caa1956SSimon Glass  * Marius Groeger <mgroeger@sysgo.de>
126caa1956SSimon Glass  *
136caa1956SSimon Glass  * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
146caa1956SSimon Glass  *
151a459660SWolfgang Denk  * SPDX-License-Identifier:	GPL-2.0+
166caa1956SSimon Glass  */
176caa1956SSimon Glass 
186caa1956SSimon Glass #include <common.h>
196caa1956SSimon Glass #include <fdt_support.h>
204588d61aSTom Rini #ifdef CONFIG_ARMV7_NONSEC
21d6b72da0SJan Kiszka #include <asm/armv7.h>
224588d61aSTom Rini #endif
23dd09f7e7STom Rini #include <asm/psci.h>
246b6024eaSMasahiro Yamada #include <asm/spin_table.h>
256caa1956SSimon Glass 
266caa1956SSimon Glass DECLARE_GLOBAL_DATA_PTR;
276caa1956SSimon Glass 
28e29607edSMa Haijun int arch_fixup_fdt(void *blob)
296caa1956SSimon Glass {
30*984a3c87SB, Ravi 	int ret = 0;
31*984a3c87SB, Ravi #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT)
326caa1956SSimon Glass 	bd_t *bd = gd->bd;
33*984a3c87SB, Ravi 	int bank;
346caa1956SSimon Glass 	u64 start[CONFIG_NR_DRAM_BANKS];
356caa1956SSimon Glass 	u64 size[CONFIG_NR_DRAM_BANKS];
366caa1956SSimon Glass 
376caa1956SSimon Glass 	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
386caa1956SSimon Glass 		start[bank] = bd->bi_dram[bank].start;
396caa1956SSimon Glass 		size[bank] = bd->bi_dram[bank].size;
40d6b72da0SJan Kiszka #ifdef CONFIG_ARMV7_NONSEC
41d6b72da0SJan Kiszka 		ret = armv7_apply_memory_carveout(&start[bank], &size[bank]);
42d6b72da0SJan Kiszka 		if (ret)
43d6b72da0SJan Kiszka 			return ret;
44d6b72da0SJan Kiszka #endif
456caa1956SSimon Glass 	}
466caa1956SSimon Glass 
47*984a3c87SB, Ravi #ifdef CONFIG_OF_LIBFDT
48e771a3d5SMarc Zyngier 	ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
49e771a3d5SMarc Zyngier 	if (ret)
50e771a3d5SMarc Zyngier 		return ret;
51*984a3c87SB, Ravi #endif
52e771a3d5SMarc Zyngier 
536b6024eaSMasahiro Yamada #ifdef CONFIG_ARMV8_SPIN_TABLE
546b6024eaSMasahiro Yamada 	ret = spin_table_update_dt(blob);
556b6024eaSMasahiro Yamada 	if (ret)
566b6024eaSMasahiro Yamada 		return ret;
576b6024eaSMasahiro Yamada #endif
586b6024eaSMasahiro Yamada 
599a561753Smacro.wave.z@gmail.com #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \
60daa92644SHou Zhiqiang 	defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
61dd09f7e7STom Rini 	ret = psci_update_dt(blob);
626441e3deSMasahiro Yamada 	if (ret)
63e771a3d5SMarc Zyngier 		return ret;
646441e3deSMasahiro Yamada #endif
65*984a3c87SB, Ravi #endif
666441e3deSMasahiro Yamada 
676441e3deSMasahiro Yamada 	return 0;
686caa1956SSimon Glass }
69