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https://github.com/brain-hackers/u-boot-brain
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3ad0d26878
Share configs in mx7 to skip low level init if we are in the case where OPTEE is loaded already (maybe by ARM Trusted Firmware) and that most of the low level initialization is already done and that we may/should skip it doing them here. Fix the definition detection with size detection to decide whether to skip it. Signed-off-by: Jun Nie <jun.nie@linaro.org> Reviewed-by: Fabio Estevam <festevam@gmail.com>
69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2015 Freescale Semiconductor, Inc.
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*
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* Configuration settings for the Freescale i.MX7.
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*/
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#ifndef __MX7_COMMON_H
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#define __MX7_COMMON_H
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#include <linux/sizes.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/mach-imx/gpio.h>
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#ifndef CONFIG_MX7
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#define CONFIG_MX7
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#endif
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/* Timer settings */
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#define CONFIG_MXC_GPT_HCLK
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#define CONFIG_SC_TIMER_CLK 8000000 /* 8Mhz */
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#define COUNTER_FREQUENCY CONFIG_SC_TIMER_CLK
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#define CONFIG_SYS_FSL_CLK
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#define CONFIG_SYS_BOOTM_LEN 0x1000000
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/* Enable iomux-lpsr support */
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#define CONFIG_IOMUX_LPSR
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#define CONFIG_LOADADDR 0x80800000
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/* allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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/* Miscellaneous configurable options */
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#define CONFIG_SYS_CBSIZE 512
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#define CONFIG_SYS_MAXARGS 32
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/* UART */
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#define CONFIG_MXC_UART
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/* MMC */
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#define CONFIG_FSL_USDHC
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#define CONFIG_ARMV7_SECURE_BASE 0x00900000
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#define CONFIG_ARMV7_PSCI_1_0
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/* Secure boot (HAB) support */
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#ifdef CONFIG_SECURE_BOOT
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#define CONFIG_CSF_SIZE 0x4000
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#ifdef CONFIG_SPL_BUILD
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#define CONFIG_SPL_DRIVERS_MISC_SUPPORT
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#endif
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#endif
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/*
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* If we have defined the OPTEE ram size and not OPTEE it means that we were
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* launched by OPTEE, because of that we shall skip all the low level
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* initialization since it was already done by ATF or OPTEE
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*/
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#if (CONFIG_OPTEE_TZDRAM_SIZE != 0)
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#ifndef CONFIG_OPTEE
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#endif
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#endif
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#endif
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