| | 1 | /* |
| | 2 | * (C) Copyright 2002-2010 |
| | 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| | 4 | * |
| | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| | 6 | */ |
| | 7 | |
| | 8 | #ifndef __ASM_GBL_DATA_H |
| | 9 | #define __ASM_GBL_DATA_H |
| | 10 | |
| | 11 | /* Architecture-specific global data */ |
| | 12 | struct arch_global_data { |
| | 13 | #if defined(CONFIG_FSL_ESDHC) |
| | 14 | u32 sdhc_clk; |
| | 15 | #endif |
| | 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 | |
| | 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 |
| | 33 | /* "static data" needed by most of timer.c on ARM platforms */ |
| | 34 | unsigned long timer_rate_hz; |
| | 35 | unsigned long tbu; |
| | 36 | unsigned long tbl; |
| | 37 | unsigned long lastinc; |
| | 38 | unsigned long long timer_reset_value; |
| | 39 | #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) |
| | 40 | unsigned long tlb_addr; |
| | 41 | unsigned long tlb_size; |
| | 42 | #if defined(CONFIG_ARM64) |
| | 43 | unsigned long tlb_fillptr; |
| | 44 | unsigned long tlb_emerg; |
| | 45 | #endif |
| | 46 | #endif |
| | 47 | #ifdef CONFIG_SYS_MEM_RESERVE_SECURE |
| | 48 | #define MEM_RESERVE_SECURE_SECURED 0x1 |
| | 49 | #define MEM_RESERVE_SECURE_MAINTAINED 0x2 |
| | 50 | #define MEM_RESERVE_SECURE_ADDR_MASK (~0x3) |
| | 51 | /* |
| | 52 | * Secure memory addr |
| | 53 | * This variable needs maintenance if the RAM base is not zero, |
| | 54 | * or if RAM splits into non-consecutive banks. It also has a |
| | 55 | * flag indicating the secure memory is marked as secure by MMU. |
| | 56 | * Flags used: 0x1 secured |
| | 57 | * 0x2 maintained |
| | 58 | */ |
| | 59 | phys_addr_t secure_ram; |
| | 60 | unsigned long tlb_allocated; |
| | 61 | #endif |
| | 62 | #ifdef CONFIG_RESV_RAM |
| | 63 | /* |
| | 64 | * Reserved RAM for memory resident, eg. Management Complex (MC) |
| | 65 | * driver which continues to run after U-Boot exits. |
| | 66 | */ |
| | 67 | phys_addr_t resv_ram; |
| | 68 | #endif |
| | 69 | |
| | 70 | #ifdef CONFIG_ARCH_OMAP2PLUS |
| | 71 | u32 omap_boot_device; |
| | 72 | u32 omap_boot_mode; |
| | 73 | u8 omap_ch_flags; |
| | 74 | #endif |
| | 75 | #if defined(CONFIG_FSL_LSCH3) && defined(CONFIG_SYS_FSL_HAS_DP_DDR) |
| | 76 | unsigned long mem2_clk; |
| | 77 | #endif |
| | 78 | }; |
| | 79 | |
| | 80 | #include <asm-generic/global_data.h> |
| | 81 | |
| | 82 | #ifdef __clang__ |
| | 83 | |
| | 84 | #define DECLARE_GLOBAL_DATA_PTR |
| | 85 | #define gd get_gd() |
| | 86 | |
| | 87 | static inline gd_t *get_gd(void) |
| | 88 | { |
| | 89 | gd_t *gd_ptr; |
| | 90 | |
| | 91 | #ifdef CONFIG_ARM64 |
| | 92 | /* |
| | 93 | * Make will already error that reserving x18 is not supported at the |
| | 94 | * time of writing, clang: error: unknown argument: '-ffixed-x18' |
| | 95 | */ |
| | 96 | __asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr)); |
| | 97 | #else |
| | 98 | __asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr)); |
| | 99 | #endif |
| | 100 | |
| | 101 | return gd_ptr; |
| | 102 | } |
| | 103 | |
| | 104 | #else |
| | 105 | |
| | 106 | #ifdef CONFIG_ARM64 |
| | 107 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18") |
| | 108 | #else |
| | 109 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9") |
| | 110 | #endif |
| | 111 | #endif |
| | 112 | |
| | 113 | #endif /* __ASM_GBL_DATA_H */ |
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