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git01.mediatek.com / filogic / uboot / 167c8a1003edd6817edc099724bc5a65f0aecf2a / . / arch / arm / include / asm / global_data.h
blob: 4e3ea55e290a19c766017b59241615f7723531d5 [file] [log] [blame]
wdenk0157ced2002-10-21 17:04:47 +0000[diff] [blame]1/*
Wolfgang Denkf710efd2010-07-24 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 Denkd79de1d2013-07-08 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 Glass3ac47d72012-12-13 20:48:30 +0000[diff] [blame]10
11/* Architecture-specific global data */
12struct arch_global_data {
Simon Glass9e247d12012-12-13 20:49:05 +0000[diff] [blame]13#if defined(CONFIG_FSL_ESDHC)
14 u32 sdhc_clk;
15#endif
Zhao Qiang5ad93952014-09-25 13:52:25 +0800[diff] [blame]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
Simon Glasse61accc2012-12-13 20:48:31 +0000[diff] [blame]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
Simon Glass6ed6e032012-12-13 20:48:32 +0000[diff] [blame]33 /* "static data" needed by most of timer.c on ARM platforms */
34 unsigned long timer_rate_hz;
Simon Glass8ca15202012-12-13 20:48:33 +0000[diff] [blame]35 unsigned long tbu;
Simon Glass2655ee12012-12-13 20:48:34 +0000[diff] [blame]36 unsigned long tbl;
Simon Glassa848da52012-12-13 20:48:35 +0000[diff] [blame]37 unsigned long lastinc;
Simon Glass9cbe003a2012-12-13 20:48:36 +0000[diff] [blame]38 unsigned long long timer_reset_value;
Simon Glass6b4ee152012-12-13 20:48:39 +0000[diff] [blame]39#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
40 unsigned long tlb_addr;
41 unsigned long tlb_size;
42#endif
SRICHARAN R4af19882013-04-24 00:41:23 +0000[diff] [blame]43
Paul Kocialkowskid5b76242015-07-15 16:02:19 +0200[diff] [blame]44#ifdef CONFIG_OMAP_COMMON
45 u32 omap_boot_device;
46 u32 omap_boot_mode;
47 u8 omap_ch_flags;
SRICHARAN R4af19882013-04-24 00:41:23 +0000[diff] [blame]48#endif
York Sun1ecab782015-01-06 13:18:49 -0800[diff] [blame]49#ifdef CONFIG_FSL_LSCH3
50 unsigned long mem2_clk;
51#endif
Simon Glass3ac47d72012-12-13 20:48:30 +0000[diff] [blame]52};
53
Simon Glass6878cd12012-12-13 20:49:14 +0000[diff] [blame]54#include <asm-generic/global_data.h>
wdenk0157ced2002-10-21 17:04:47 +0000[diff] [blame]55
Jeroen Hofstee43614d12014-07-30 21:54:52 +0200[diff] [blame]56#ifdef __clang__
57
58#define DECLARE_GLOBAL_DATA_PTR
59#define gd get_gd()
60
61static 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
David Feng85fd5f12013-12-14 11:47:35 +0800[diff] [blame]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
Jeroen Hofstee43614d12014-07-30 21:54:52 +0200[diff] [blame]85#endif
wdenk0157ced2002-10-21 17:04:47 +0000[diff] [blame]86
87#endif /* __ASM_GBL_DATA_H */