add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

 u-boot/arch/arm/lib/crt0_64.S
..
..
@@ -66,42 +66,6 @@
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  */
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 ENTRY(_main)
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-	/*
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-	 * Enable instruction cache (if required), stack pointer,
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-	 * data access alignment checks and SError.
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-	 */
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-#ifdef CONFIG_SPL_BUILD
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-	mov x1, #CR_I
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-#else
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-	mov x1, #0
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-#endif
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-	switch_el x2, 3f, 2f, 1f
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-3:	mrs	x0, sctlr_el3
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-	orr	x0, x0, x1
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-	msr	sctlr_el3, x0
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-#ifndef CONFIG_SUPPORT_USBPLUG
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-	msr	daifclr, #4			/* Enable SError. SCR_EL3.EA=1 was already set in start.S */
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-#endif
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-	b	0f
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-2:	mrs	x0, sctlr_el2
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-	orr	x0, x0, x1
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-	msr	sctlr_el2, x0
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-
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-	mrs	x0, hcr_el2
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-	orr	x0, x0, #HCR_EL2_TGE
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-	orr	x0, x0, #HCR_EL2_AMO
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-#if CONFIG_IS_ENABLED(IRQ)
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-	orr	x0, x0, #HCR_EL2_IMO
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-#endif
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-	msr	hcr_el2, x0
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-	msr	daifclr, #4
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-	b	0f
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-1:	mrs	x0, sctlr_el1
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-	orr	x0, x0, x1
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-	msr	sctlr_el1, x0
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-	msr	daifclr, #4
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-0:
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-	isb
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 /*
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  * Set up initial C runtime environment and call board_init_f(0).