1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2013, Google Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 2011
5*4882a593Smuzhiyun * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
6*4882a593Smuzhiyun * - Added prep subcommand support
7*4882a593Smuzhiyun * - Reorganized source - modeled after powerpc version
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * (C) Copyright 2002
10*4882a593Smuzhiyun * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
11*4882a593Smuzhiyun * Marius Groeger <mgroeger@sysgo.de>
12*4882a593Smuzhiyun *
13*4882a593Smuzhiyun * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
14*4882a593Smuzhiyun *
15*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
16*4882a593Smuzhiyun */
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include <common.h>
19*4882a593Smuzhiyun #include <fdt_support.h>
20*4882a593Smuzhiyun #ifdef CONFIG_ARMV7_NONSEC
21*4882a593Smuzhiyun #include <asm/armv7.h>
22*4882a593Smuzhiyun #endif
23*4882a593Smuzhiyun #include <asm/psci.h>
24*4882a593Smuzhiyun #include <asm/spin_table.h>
25*4882a593Smuzhiyun #include <bidram.h>
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun #ifdef CONFIG_FMAN_ENET
fdt_update_ethernet_dt(void * blob)30*4882a593Smuzhiyun __weak int fdt_update_ethernet_dt(void *blob)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun return 0;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun #endif
35*4882a593Smuzhiyun
board_fdt_fixup(void * blob)36*4882a593Smuzhiyun __weak int board_fdt_fixup(void *blob)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
arch_fixup_fdt(void * blob)41*4882a593Smuzhiyun int arch_fixup_fdt(void *blob)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun int ret = 0;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun ret = board_fdt_fixup(blob);
46*4882a593Smuzhiyun if (ret)
47*4882a593Smuzhiyun return ret;
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun /* Show "/reserved-memory" */
50*4882a593Smuzhiyun boot_mem_rsv_regions(NULL, blob);
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT)
53*4882a593Smuzhiyun bd_t *bd = gd->bd;
54*4882a593Smuzhiyun int bank;
55*4882a593Smuzhiyun u64 start[CONFIG_NR_DRAM_BANKS];
56*4882a593Smuzhiyun u64 size[CONFIG_NR_DRAM_BANKS];
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun #ifdef CONFIG_BIDRAM
59*4882a593Smuzhiyun bidram_fixup();
60*4882a593Smuzhiyun #endif
61*4882a593Smuzhiyun for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
62*4882a593Smuzhiyun start[bank] = bd->bi_dram[bank].start;
63*4882a593Smuzhiyun size[bank] = bd->bi_dram[bank].size;
64*4882a593Smuzhiyun if (size[bank] == 0)
65*4882a593Smuzhiyun continue;
66*4882a593Smuzhiyun #ifdef CONFIG_ARCH_FIXUP_FDT_MEMORY
67*4882a593Smuzhiyun printf("Adding bank: 0x%08llx - 0x%08llx (size: 0x%08llx)\n",
68*4882a593Smuzhiyun start[bank], start[bank] + size[bank], size[bank]);
69*4882a593Smuzhiyun #endif
70*4882a593Smuzhiyun #ifdef CONFIG_ARMV7_NONSEC
71*4882a593Smuzhiyun ret = armv7_apply_memory_carveout(&start[bank], &size[bank]);
72*4882a593Smuzhiyun if (ret)
73*4882a593Smuzhiyun return ret;
74*4882a593Smuzhiyun #endif
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun #ifdef CONFIG_OF_LIBFDT
78*4882a593Smuzhiyun ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
79*4882a593Smuzhiyun if (ret)
80*4882a593Smuzhiyun return ret;
81*4882a593Smuzhiyun #endif
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun #ifdef CONFIG_ARMV8_SPIN_TABLE
84*4882a593Smuzhiyun ret = spin_table_update_dt(blob);
85*4882a593Smuzhiyun if (ret)
86*4882a593Smuzhiyun return ret;
87*4882a593Smuzhiyun #endif
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \
90*4882a593Smuzhiyun defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
91*4882a593Smuzhiyun ret = psci_update_dt(blob);
92*4882a593Smuzhiyun if (ret)
93*4882a593Smuzhiyun return ret;
94*4882a593Smuzhiyun #endif
95*4882a593Smuzhiyun #endif
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun #ifdef CONFIG_FMAN_ENET
98*4882a593Smuzhiyun ret = fdt_update_ethernet_dt(blob);
99*4882a593Smuzhiyun if (ret)
100*4882a593Smuzhiyun return ret;
101*4882a593Smuzhiyun #endif
102*4882a593Smuzhiyun return 0;
103*4882a593Smuzhiyun }
104