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| /*
| * Copyright (C) 2016 Imagination Technologies
| *
| * SPDX-License-Identifier: GPL-2.0
| */
|
| #include <config.h>
|
| #include <asm/addrspace.h>
| #include <asm/asm.h>
| #include <asm/mipsregs.h>
| #include <asm/regdef.h>
|
| #include "boston-regs.h"
|
| .data
|
| msg_ddr_cal: .ascii "DDR Cal "
| msg_ddr_ok: .ascii "DDR OK "
|
| .text
|
| LEAF(lowlevel_init)
| move s0, ra
|
| PTR_LA a0, msg_ddr_cal
| bal lowlevel_display
|
| PTR_LI t0, BOSTON_PLAT_DDR3STAT
| 1: lw t1, 0(t0)
| andi t1, t1, BOSTON_PLAT_DDR3STAT_CALIB
| beqz t1, 1b
|
| PTR_LA a0, msg_ddr_ok
| bal lowlevel_display
|
| move v0, zero
| jr s0
| END(lowlevel_init)
|
| LEAF(lowlevel_display)
| .set push
| .set noat
| PTR_LI AT, BOSTON_LCD_BASE
| #ifdef CONFIG_64BIT
| ld k1, 0(a0)
| sd k1, 0(AT)
| #else
| lw k1, 0(a0)
| sw k1, 0(AT)
| lw k1, 4(a0)
| sw k1, 4(AT)
| #endif
| .set pop
| 1: jr ra
| END(lowlevel_display)
|
|
