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Commit | Line | Data |
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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 SG |
10 | |
11 | /* Architecture-specific global data */ | |
12 | struct arch_global_data { | |
e9adeca3 SG |
13 | #if defined(CONFIG_FSL_ESDHC) |
14 | u32 sdhc_clk; | |
15 | #endif | |
93d33204 ZQ |
16 | |
17 | #if defined(CONFIG_U_QE) | |
18 | u32 qe_clk; | |
19 | u32 brg_clk; | |
20 | uint mp_alloc_base; | |
21 | uint mp_alloc_top; | |
22 | #endif /* CONFIG_U_QE */ | |
23 | ||
f47e6ecd SG |
24 | #ifdef CONFIG_AT91FAMILY |
25 | /* "static data" needed by at91's clock.c */ | |
26 | unsigned long cpu_clk_rate_hz; | |
27 | unsigned long main_clk_rate_hz; | |
28 | unsigned long mck_rate_hz; | |
29 | unsigned long plla_rate_hz; | |
30 | unsigned long pllb_rate_hz; | |
31 | unsigned long at91_pllb_usb_init; | |
32 | #endif | |
b339051c SG |
33 | /* "static data" needed by most of timer.c on ARM platforms */ |
34 | unsigned long timer_rate_hz; | |
8ff43b03 | 35 | unsigned long tbu; |
66ee6923 | 36 | unsigned long tbl; |
582601da | 37 | unsigned long lastinc; |
5f70714c | 38 | unsigned long long timer_reset_value; |
34fd5d25 SG |
39 | #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) |
40 | unsigned long tlb_addr; | |
41 | unsigned long tlb_size; | |
42 | #endif | |
fda06812 | 43 | |
60c7c30a PK |
44 | #ifdef CONFIG_OMAP_COMMON |
45 | u32 omap_boot_device; | |
46 | u32 omap_boot_mode; | |
47 | u8 omap_ch_flags; | |
fda06812 | 48 | #endif |
b87e6f88 YS |
49 | #ifdef CONFIG_FSL_LSCH3 |
50 | unsigned long mem2_clk; | |
51 | #endif | |
5cb48582 SG |
52 | }; |
53 | ||
baa1e536 | 54 | #include <asm-generic/global_data.h> |
0157cedb | 55 | |
c65a2abb JH |
56 | #ifdef __clang__ |
57 | ||
58 | #define DECLARE_GLOBAL_DATA_PTR | |
59 | #define gd get_gd() | |
60 | ||
61 | static inline gd_t *get_gd(void) | |
62 | { | |
63 | gd_t *gd_ptr; | |
64 | ||
65 | #ifdef CONFIG_ARM64 | |
66 | /* | |
67 | * Make will already error that reserving x18 is not supported at the | |
68 | * time of writing, clang: error: unknown argument: '-ffixed-x18' | |
69 | */ | |
70 | __asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr)); | |
71 | #else | |
72 | __asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr)); | |
73 | #endif | |
74 | ||
75 | return gd_ptr; | |
76 | } | |
77 | ||
78 | #else | |
79 | ||
0ae76531 DF |
80 | #ifdef CONFIG_ARM64 |
81 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18") | |
82 | #else | |
83 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9") | |
84 | #endif | |
c65a2abb | 85 | #endif |
0157cedb WD |
86 | |
87 | #endif /* __ASM_GBL_DATA_H */ |