]> git.ipfire.org Git - people/ms/u-boot.git/blame - arch/arm/include/asm/global_data.h
driver/ddr/fsl: Add workround for erratumn A008514
[people/ms/u-boot.git] / arch / arm / include / asm / global_data.h
CommitLineData
0157cedb 1/*
91a76751 2 * (C) Copyright 2002-2010
0157cedb
WD
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
1a459660 5 * SPDX-License-Identifier: GPL-2.0+
0157cedb
WD
6 */
7
8#ifndef __ASM_GBL_DATA_H
9#define __ASM_GBL_DATA_H
5cb48582 10
fda06812
S
11#ifdef CONFIG_OMAP
12#include <asm/omap_boot.h>
13#endif
14
5cb48582
SG
15/* Architecture-specific global data */
16struct arch_global_data {
e9adeca3
SG
17#if defined(CONFIG_FSL_ESDHC)
18 u32 sdhc_clk;
19#endif
93d33204
ZQ
20
21#if defined(CONFIG_U_QE)
22 u32 qe_clk;
23 u32 brg_clk;
24 uint mp_alloc_base;
25 uint mp_alloc_top;
26#endif /* CONFIG_U_QE */
27
f47e6ecd
SG
28#ifdef CONFIG_AT91FAMILY
29 /* "static data" needed by at91's clock.c */
30 unsigned long cpu_clk_rate_hz;
31 unsigned long main_clk_rate_hz;
32 unsigned long mck_rate_hz;
33 unsigned long plla_rate_hz;
34 unsigned long pllb_rate_hz;
35 unsigned long at91_pllb_usb_init;
36#endif
b339051c
SG
37 /* "static data" needed by most of timer.c on ARM platforms */
38 unsigned long timer_rate_hz;
8ff43b03 39 unsigned long tbu;
66ee6923 40 unsigned long tbl;
582601da 41 unsigned long lastinc;
5f70714c 42 unsigned long long timer_reset_value;
34fd5d25
SG
43#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
44 unsigned long tlb_addr;
45 unsigned long tlb_size;
46#endif
fda06812
S
47
48#ifdef CONFIG_OMAP
49 struct omap_boot_parameters omap_boot_params;
50#endif
5cb48582
SG
51};
52
baa1e536 53#include <asm-generic/global_data.h>
0157cedb 54
c65a2abb
JH
55#ifdef __clang__
56
57#define DECLARE_GLOBAL_DATA_PTR
58#define gd get_gd()
59
60static inline gd_t *get_gd(void)
61{
62 gd_t *gd_ptr;
63
64#ifdef CONFIG_ARM64
65 /*
66 * Make will already error that reserving x18 is not supported at the
67 * time of writing, clang: error: unknown argument: '-ffixed-x18'
68 */
69 __asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr));
70#else
71 __asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr));
72#endif
73
74 return gd_ptr;
75}
76
77#else
78
0ae76531
DF
79#ifdef CONFIG_ARM64
80#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18")
81#else
82#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9")
83#endif
c65a2abb 84#endif
0157cedb
WD
85
86#endif /* __ASM_GBL_DATA_H */