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
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.6 KiB
57 lines
1.6 KiB
/*
|
|
* From coreboot file of same name
|
|
*
|
|
* Copyright (C) 2008-2009 coresystems GmbH
|
|
* Copyright (C) 2014 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/msr.h>
|
|
#include <asm/io.h>
|
|
#include <asm/lapic.h>
|
|
#include <asm/post.h>
|
|
|
|
void lapic_setup(void)
|
|
{
|
|
#if NEED_LAPIC == 1
|
|
/* Only Pentium Pro and later have those MSR stuff */
|
|
debug("Setting up local apic: ");
|
|
|
|
/* Enable the local apic */
|
|
enable_lapic();
|
|
|
|
/*
|
|
* Set Task Priority to 'accept all'.
|
|
*/
|
|
lapic_write_around(LAPIC_TASKPRI,
|
|
lapic_read_around(LAPIC_TASKPRI) & ~LAPIC_TPRI_MASK);
|
|
|
|
/* Put the local apic in virtual wire mode */
|
|
lapic_write_around(LAPIC_SPIV, (lapic_read_around(LAPIC_SPIV) &
|
|
~(LAPIC_VECTOR_MASK)) | LAPIC_SPIV_ENABLE);
|
|
lapic_write_around(LAPIC_LVT0, (lapic_read_around(LAPIC_LVT0) &
|
|
~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
|
|
LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
|
|
LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
|
|
LAPIC_DELIVERY_MODE_MASK)) |
|
|
(LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
|
|
LAPIC_DELIVERY_MODE_EXTINT));
|
|
lapic_write_around(LAPIC_LVT1, (lapic_read_around(LAPIC_LVT1) &
|
|
~(LAPIC_LVT_MASKED | LAPIC_LVT_LEVEL_TRIGGER |
|
|
LAPIC_LVT_REMOTE_IRR | LAPIC_INPUT_POLARITY |
|
|
LAPIC_SEND_PENDING | LAPIC_LVT_RESERVED_1 |
|
|
LAPIC_DELIVERY_MODE_MASK)) |
|
|
(LAPIC_LVT_REMOTE_IRR | LAPIC_SEND_PENDING |
|
|
LAPIC_DELIVERY_MODE_NMI));
|
|
|
|
debug("apic_id: 0x%02lx, ", lapicid());
|
|
#else /* !NEED_LLAPIC */
|
|
/* Only Pentium Pro and later have those MSR stuff */
|
|
debug("Disabling local apic: ");
|
|
disable_lapic();
|
|
#endif /* !NEED_LAPIC */
|
|
debug("done.\n");
|
|
post_code(POST_LAPIC);
|
|
}
|
|
|