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gerrit.cesnet.cz / github / trini / u-boot / 301c1283797ab773a019f8cdb98c4bf900dde07d / . / arch / arm / include / asm / global_data.h
blob: bb24f33d0d8816c089ba344d332ae40ed8c7002b [file] [log] [blame]
wdenk0157ced2002-10-21 17:04:47 +0000[diff] [blame]1/*
Wolfgang Denk91a76752010-07-24 20:22:02 +0200[diff] [blame]2 * (C) Copyright 2002-2010
wdenk0157ced2002-10-21 17:04:47 +0000[diff] [blame]3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]5 * SPDX-License-Identifier: GPL-2.0+
wdenk0157ced2002-10-21 17:04:47 +0000[diff] [blame]6 */
7
8#ifndef __ASM_GBL_DATA_H
9#define __ASM_GBL_DATA_H
Simon Glass5cb48582012-12-13 20:48:30 +0000[diff] [blame]10
SRICHARAN Rfda06812013-04-24 00:41:23 +0000[diff] [blame]11#ifdef CONFIG_OMAP
12#include <asm/omap_boot.h>
13#endif
14
Simon Glass5cb48582012-12-13 20:48:30 +0000[diff] [blame]15/* Architecture-specific global data */
16struct arch_global_data {
Simon Glasse9adeca2012-12-13 20:49:05 +0000[diff] [blame]17#if defined(CONFIG_FSL_ESDHC)
18 u32 sdhc_clk;
19#endif
Zhao Qiang93d33202014-09-25 13:52:25 +0800[diff] [blame]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
Simon Glassf47e6ec2012-12-13 20:48:31 +0000[diff] [blame]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
Simon Glassb3390512012-12-13 20:48:32 +0000[diff] [blame]37 /* "static data" needed by most of timer.c on ARM platforms */
38 unsigned long timer_rate_hz;
Simon Glass8ff43b02012-12-13 20:48:33 +0000[diff] [blame]39 unsigned long tbu;
Simon Glass66ee6922012-12-13 20:48:34 +0000[diff] [blame]40 unsigned long tbl;
Simon Glass582601d2012-12-13 20:48:35 +0000[diff] [blame]41 unsigned long lastinc;
Simon Glass5f707142012-12-13 20:48:36 +0000[diff] [blame]42 unsigned long long timer_reset_value;
Simon Glass34fd5d22012-12-13 20:48:39 +0000[diff] [blame]43#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
44 unsigned long tlb_addr;
45 unsigned long tlb_size;
46#endif
SRICHARAN Rfda06812013-04-24 00:41:23 +0000[diff] [blame]47
48#ifdef CONFIG_OMAP
49 struct omap_boot_parameters omap_boot_params;
50#endif
York Sunb87e6f82015-01-06 13:18:49 -0800[diff] [blame]51#ifdef CONFIG_FSL_LSCH3
52 unsigned long mem2_clk;
53#endif
Simon Glass5cb48582012-12-13 20:48:30 +0000[diff] [blame]54};
55
Simon Glassbaa1e532012-12-13 20:49:14 +0000[diff] [blame]56#include <asm-generic/global_data.h>
wdenk0157ced2002-10-21 17:04:47 +0000[diff] [blame]57
Jeroen Hofsteec65a2ab2014-07-30 21:54:52 +0200[diff] [blame]58#ifdef __clang__
59
60#define DECLARE_GLOBAL_DATA_PTR
61#define gd get_gd()
62
63static inline gd_t *get_gd(void)
64{
65 gd_t *gd_ptr;
66
67#ifdef CONFIG_ARM64
68 /*
69 * Make will already error that reserving x18 is not supported at the
70 * time of writing, clang: error: unknown argument: '-ffixed-x18'
71 */
72 __asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr));
73#else
74 __asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr));
75#endif
76
77 return gd_ptr;
78}
79
80#else
81
David Feng0ae76532013-12-14 11:47:35 +0800[diff] [blame]82#ifdef CONFIG_ARM64
83#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18")
84#else
85#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9")
86#endif
Jeroen Hofsteec65a2ab2014-07-30 21:54:52 +0200[diff] [blame]87#endif
wdenk0157ced2002-10-21 17:04:47 +0000[diff] [blame]88
89#endif /* __ASM_GBL_DATA_H */