46 lines
817 B
ArmAsm
46 lines
817 B
ArmAsm
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2018 Microsemi Corporation
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*/
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#include <asm/asm.h>
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#include <asm/regdef.h>
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.set noreorder
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.extern vcoreiii_tlb_init
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.extern vcoreiii_ddr_init
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#ifdef CONFIG_SOC_LUTON
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.extern pll_init
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#endif
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LEAF(lowlevel_init)
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/*
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* As we have no stack yet, we can assume the restricted
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* luxury of the sX-registers without saving them
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*/
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/* Modify ra/s0 such we return to physical NOR location */
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li t0, 0x0fffffff
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li t1, CONFIG_SYS_TEXT_BASE
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and s0, ra, t0
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add s0, s0, t1
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jal vcoreiii_tlb_init
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nop
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#ifdef CONFIG_SOC_LUTON
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jal pll_init
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nop
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#endif
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/* Initialize DDR controller to enable stack/gd/heap */
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0:
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jal vcoreiii_ddr_init
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nop
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bnez v0, 0b /* Retry on error */
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nop
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jr s0
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nop
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END(lowlevel_init)
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