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wdenk0157ced2002-10-21 17:04:47 +00001/*
Wolfgang Denkf710efd2010-07-24 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 Denkd79de1d2013-07-08 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 Glass3ac47d72012-12-13 20:48:30 +000010
SRICHARAN R4af19882013-04-24 00:41:23 +000011#ifdef CONFIG_OMAP
12#include <asm/omap_boot.h>
13#endif
14
Simon Glass3ac47d72012-12-13 20:48:30 +000015/* Architecture-specific global data */
16struct arch_global_data {
Simon Glass9e247d12012-12-13 20:49:05 +000017#if defined(CONFIG_FSL_ESDHC)
18 u32 sdhc_clk;
19#endif
Zhao Qiang5ad93952014-09-25 13:52:25 +080020
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 Glasse61accc2012-12-13 20:48:31 +000028#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 Glass6ed6e032012-12-13 20:48:32 +000037 /* "static data" needed by most of timer.c on ARM platforms */
38 unsigned long timer_rate_hz;
Simon Glass8ca15202012-12-13 20:48:33 +000039 unsigned long tbu;
Simon Glass2655ee12012-12-13 20:48:34 +000040 unsigned long tbl;
Simon Glassa848da52012-12-13 20:48:35 +000041 unsigned long lastinc;
Simon Glass9cbe003a2012-12-13 20:48:36 +000042 unsigned long long timer_reset_value;
Simon Glass6b4ee152012-12-13 20:48:39 +000043#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
44 unsigned long tlb_addr;
45 unsigned long tlb_size;
46#endif
SRICHARAN R4af19882013-04-24 00:41:23 +000047
48#ifdef CONFIG_OMAP
49 struct omap_boot_parameters omap_boot_params;
50#endif
Simon Glass3ac47d72012-12-13 20:48:30 +000051};
52
Simon Glass6878cd12012-12-13 20:49:14 +000053#include <asm-generic/global_data.h>
wdenk0157ced2002-10-21 17:04:47 +000054
Jeroen Hofstee43614d12014-07-30 21:54:52 +020055#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
David Feng85fd5f12013-12-14 11:47:35 +080079#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
Jeroen Hofstee43614d12014-07-30 21:54:52 +020084#endif
wdenk0157ced2002-10-21 17:04:47 +000085
86#endif /* __ASM_GBL_DATA_H */