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Commit | Line | Data |
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2f16ac9d AB |
1 | /* |
2 | * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved. | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
8 | #include <asm/arcregs.h> | |
9 | #include <asm/cache.h> | |
10 | ||
11 | DECLARE_GLOBAL_DATA_PTR; | |
12 | ||
13 | int arch_cpu_init(void) | |
14 | { | |
2f16ac9d AB |
15 | timer_init(); |
16 | ||
17 | /* In simulation (ISS) "CHIPID" and "ARCNUM" are all "ff" */ | |
18 | if ((read_aux_reg(ARC_AUX_IDENTITY) & 0xffffff00) == 0xffffff00) | |
19 | gd->arch.running_on_hw = 0; | |
20 | else | |
21 | gd->arch.running_on_hw = 1; | |
22 | ||
23 | gd->cpu_clk = CONFIG_SYS_CLK_FREQ; | |
24 | gd->ram_size = CONFIG_SYS_SDRAM_SIZE; | |
25 | ||
26 | return 0; | |
27 | } | |
28 | ||
29 | int arch_early_init_r(void) | |
30 | { | |
31 | gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; | |
32 | gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; | |
33 | return 0; | |
34 | } |