42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* Copyright (C) 2015 Pengutronix, Uwe Kleine-König <kernel@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <asm/barebox-arm.h>
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#include <asm/barebox-arm-head.h>
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#include <asm/io.h>
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#include <mach/lowlevel.h>
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extern char __dtb_armada_xp_rn2120_bb_start[];
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ENTRY_FUNCTION(start_netgear_rn2120, r0, r1, r2)
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{
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void *fdt;
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arm_cpu_lowlevel_init();
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/*
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* This is necessary to allow the machine to draw more power. Probably
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* connected to a TI TPS65251. Without this resetting a phy makes the
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* SoC reset.
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* This is effectively gpio_direction_output(42, 1);
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*/
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writel((1 << 10) | readl((void *)0xd0018140), (void *)0xd0018140);
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writel(~(1 << 10) & readl((void *)0xd0018144), (void *)0xd0018144);
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fdt = __dtb_armada_xp_rn2120_bb_start -
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get_runtime_offset();
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mvebu_barebox_entry(fdt);
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}
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