upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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45 lines
896 B
45 lines
896 B
/*
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* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/pnp_def.h>
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static void pnp_enter_conf_state(u16 dev)
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{
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u16 port = dev >> 8;
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outb(0x55, port);
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}
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static void pnp_exit_conf_state(u16 dev)
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{
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u16 port = dev >> 8;
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outb(0xaa, port);
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}
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void lpc47m_enable_serial(uint dev, uint iobase, uint irq)
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{
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pnp_enter_conf_state(dev);
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pnp_set_logical_device(dev);
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pnp_set_enable(dev, 0);
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pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
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pnp_set_irq(dev, PNP_IDX_IRQ0, irq);
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pnp_set_enable(dev, 1);
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pnp_exit_conf_state(dev);
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}
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void lpc47m_enable_kbc(uint dev, uint irq0, uint irq1)
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{
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pnp_enter_conf_state(dev);
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pnp_set_logical_device(dev);
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pnp_set_enable(dev, 0);
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pnp_set_irq(dev, PNP_IDX_IRQ0, irq0);
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pnp_set_irq(dev, PNP_IDX_IRQ1, irq1);
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pnp_set_enable(dev, 1);
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pnp_exit_conf_state(dev);
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}
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