56 lines
805 B
ArmAsm
56 lines
805 B
ArmAsm
/*
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* Copyright (C) 2016 Imagination Technologies
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#include <config.h>
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#include <asm/addrspace.h>
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#include <asm/asm.h>
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#include <asm/mipsregs.h>
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#include <asm/regdef.h>
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#include "boston-regs.h"
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.data
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msg_ddr_cal: .ascii "DDR Cal "
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msg_ddr_ok: .ascii "DDR OK "
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.text
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LEAF(lowlevel_init)
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move s0, ra
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PTR_LA a0, msg_ddr_cal
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bal lowlevel_display
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PTR_LI t0, BOSTON_PLAT_DDR3STAT
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1: lw t1, 0(t0)
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andi t1, t1, BOSTON_PLAT_DDR3STAT_CALIB
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beqz t1, 1b
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PTR_LA a0, msg_ddr_ok
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bal lowlevel_display
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jr s0
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END(lowlevel_init)
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LEAF(lowlevel_display)
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.set push
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.set noat
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PTR_LI AT, BOSTON_LCD_BASE
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#ifdef CONFIG_64BIT
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ld k1, 0(a0)
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sd k1, 0(AT)
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#else
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lw k1, 0(a0)
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sw k1, 0(AT)
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lw k1, 4(a0)
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sw k1, 4(AT)
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#endif
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.set pop
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jr ra
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END(lowlevel_display)
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