mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 02:33:07 +00:00
836b8d4b20
In order to make invalidation by VA more efficient, set the largest
block mapping to 2MB, mapping it onto level-2. This has no material
impact on u-boot's runtime performance, and allows a huge speedup
when cleaning the cache.
Signed-off-by: Marc Zyngier <maz@kernel.org>
[ Paul: pick from the Android tree. Rebase to the upstream ]
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Cc: Tom Rini <trini@konsulko.com>
Link: 417a73581a
149 lines
3.2 KiB
C
149 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2002-2010
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#ifndef __ASM_GBL_DATA_H
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#define __ASM_GBL_DATA_H
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#ifndef __ASSEMBLY__
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#include <config.h>
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#include <asm/types.h>
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#include <linux/types.h>
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/* Architecture-specific global data */
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struct arch_global_data {
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#if defined(CONFIG_FSL_ESDHC) || defined(CONFIG_FSL_ESDHC_IMX)
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u32 sdhc_clk;
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#endif
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#if defined(CONFIG_FSL_ESDHC)
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u32 sdhc_per_clk;
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#endif
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#if defined(CONFIG_U_QE)
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u32 qe_clk;
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u32 brg_clk;
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uint mp_alloc_base;
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uint mp_alloc_top;
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#endif /* CONFIG_U_QE */
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#ifdef CONFIG_AT91FAMILY
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/* "static data" needed by at91's clock.c */
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unsigned long cpu_clk_rate_hz;
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unsigned long main_clk_rate_hz;
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unsigned long mck_rate_hz;
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unsigned long plla_rate_hz;
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unsigned long pllb_rate_hz;
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unsigned long at91_pllb_usb_init;
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#endif
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/* "static data" needed by most of timer.c on ARM platforms */
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unsigned long timer_rate_hz;
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unsigned int tbu;
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unsigned int tbl;
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unsigned long lastinc;
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unsigned long long timer_reset_value;
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#if !(CONFIG_IS_ENABLED(SYS_ICACHE_OFF) && CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
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unsigned long tlb_addr;
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unsigned long tlb_size;
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#if defined(CONFIG_ARM64)
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unsigned long tlb_fillptr;
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unsigned long tlb_emerg;
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unsigned int first_block_level;
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bool has_hafdbs;
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#endif
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#endif
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#ifdef CFG_SYS_MEM_RESERVE_SECURE
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#define MEM_RESERVE_SECURE_SECURED 0x1
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#define MEM_RESERVE_SECURE_MAINTAINED 0x2
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#define MEM_RESERVE_SECURE_ADDR_MASK (~0x3)
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/*
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* Secure memory addr
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* This variable needs maintenance if the RAM base is not zero,
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* or if RAM splits into non-consecutive banks. It also has a
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* flag indicating the secure memory is marked as secure by MMU.
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* Flags used: 0x1 secured
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* 0x2 maintained
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*/
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phys_addr_t secure_ram;
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unsigned long tlb_allocated;
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#endif
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#ifdef CONFIG_RESV_RAM
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/*
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* Reserved RAM for memory resident, eg. Management Complex (MC)
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* driver which continues to run after U-Boot exits.
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*/
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phys_addr_t resv_ram;
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#endif
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#ifdef CONFIG_ARCH_OMAP2PLUS
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u32 omap_boot_device;
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u32 omap_boot_mode;
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u8 omap_ch_flags;
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#endif
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#if defined(CONFIG_FSL_LSCH3) && defined(CONFIG_SYS_FSL_HAS_DP_DDR)
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unsigned long mem2_clk;
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#endif
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#ifdef CONFIG_ARCH_IMX8
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struct udevice *scu_dev;
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#endif
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#ifdef CONFIG_IMX_SENTINEL
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struct udevice *s400_dev;
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u32 soc_rev;
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u32 lifecycle;
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u32 uid[4];
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#endif
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#ifdef CONFIG_ARCH_IMX8ULP
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bool m33_handshake_done;
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#endif
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};
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#include <asm-generic/global_data.h>
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#if defined(__clang__) || defined(LTO_ENABLE)
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#define DECLARE_GLOBAL_DATA_PTR
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#define gd get_gd()
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static inline gd_t *get_gd(void)
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{
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gd_t *gd_ptr;
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#ifdef CONFIG_ARM64
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__asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr));
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#else
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__asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr));
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#endif
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return gd_ptr;
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}
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#else
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#ifdef CONFIG_ARM64
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#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("x18")
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#else
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#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r9")
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#endif
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#endif
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static inline void set_gd(volatile gd_t *gd_ptr)
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{
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#ifdef CONFIG_ARM64
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__asm__ volatile("ldr x18, %0\n" : : "m"(gd_ptr));
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#elif __ARM_ARCH >= 7
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__asm__ volatile("ldr r9, %0\n" : : "m"(gd_ptr));
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#else
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__asm__ volatile("mov r9, %0\n" : : "r"(gd_ptr));
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#endif
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}
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_GBL_DATA_H */
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