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wdenk0157ced2002-10-21 17:04:47 +00001/*
Wolfgang Denk91a76752010-07-24 20:22:02 +02002 * (C) Copyright 2002-2010
wdenk0157ced2002-10-21 17:04:47 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenk0157ced2002-10-21 17:04:47 +00006 */
7
8#ifndef __ASM_GBL_DATA_H
9#define __ASM_GBL_DATA_H
Simon Glass5cb48582012-12-13 20:48:30 +000010
11/* Architecture-specific global data */
12struct arch_global_data {
Simon Glasse9adeca2012-12-13 20:49:05 +000013#if defined(CONFIG_FSL_ESDHC)
14 u32 sdhc_clk;
15#endif
Zhao Qiang93d33202014-09-25 13:52:25 +080016
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 Glassf47e6ec2012-12-13 20:48:31 +000024#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 Glassb3390512012-12-13 20:48:32 +000033 /* "static data" needed by most of timer.c on ARM platforms */
34 unsigned long timer_rate_hz;
Simon Glass8ff43b02012-12-13 20:48:33 +000035 unsigned long tbu;
Simon Glass66ee6922012-12-13 20:48:34 +000036 unsigned long tbl;
Simon Glass582601d2012-12-13 20:48:35 +000037 unsigned long lastinc;
Simon Glass5f707142012-12-13 20:48:36 +000038 unsigned long long timer_reset_value;
Simon Glass34fd5d22012-12-13 20:48:39 +000039#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
40 unsigned long tlb_addr;
Sergey Temerkhanov94f7ff32015-10-14 09:55:45 -070041#if defined(CONFIG_SYS_FULL_VA)
42 unsigned long pmd_addr[CONFIG_SYS_PTL1_ENTRIES];
43#endif
Simon Glass34fd5d22012-12-13 20:48:39 +000044 unsigned long tlb_size;
45#endif
SRICHARAN Rfda06812013-04-24 00:41:23 +000046
Paul Kocialkowski60c7c302015-07-15 16:02:19 +020047#ifdef CONFIG_OMAP_COMMON
48 u32 omap_boot_device;
49 u32 omap_boot_mode;
50 u8 omap_ch_flags;
SRICHARAN Rfda06812013-04-24 00:41:23 +000051#endif
Prabhakar Kushwaha44937212015-11-09 16:42:07 +053052#if defined(CONFIG_FSL_LSCH3) && defined(CONFIG_SYS_FSL_HAS_DP_DDR)
York Sunb87e6f82015-01-06 13:18:49 -080053 unsigned long mem2_clk;
54#endif
Simon Glass5cb48582012-12-13 20:48:30 +000055};
56
Simon Glassbaa1e532012-12-13 20:49:14 +000057#include <asm-generic/global_data.h>
wdenk0157ced2002-10-21 17:04:47 +000058
Jeroen Hofsteec65a2ab2014-07-30 21:54:52 +020059#ifdef __clang__
60
61#define DECLARE_GLOBAL_DATA_PTR
62#define gd get_gd()
63
64static inline gd_t *get_gd(void)
65{
66 gd_t *gd_ptr;
67
68#ifdef CONFIG_ARM64
69 /*
70 * Make will already error that reserving x18 is not supported at the
71 * time of writing, clang: error: unknown argument: '-ffixed-x18'
72 */
73 __asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr));
74#else
75 __asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr));
76#endif
77
78 return gd_ptr;
79}
80
81#else
82
David Feng0ae76532013-12-14 11:47:35 +080083#ifdef CONFIG_ARM64
84#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18")
85#else
86#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9")
87#endif
Jeroen Hofsteec65a2ab2014-07-30 21:54:52 +020088#endif
wdenk0157ced2002-10-21 17:04:47 +000089
90#endif /* __ASM_GBL_DATA_H */