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https://github.com/AsahiLinux/u-boot
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fc7220f0c4
Current code assumes that the vector base address is always at 0x0. However, this value is configurable for MicroBlaze using the CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR Kconfig option. Update the reset routines to branch to this location instead. Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> Link: https://lore.kernel.org/r/20211130163358.2531677-10-ovidiu.panait@windriver.com Signed-off-by: Michal Simek <michal.simek@xilinx.com>
32 lines
724 B
C
32 lines
724 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018 Xilinx, Inc. - Michal Simek
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <sysreset.h>
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#include <linux/err.h>
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#include <linux/stringify.h>
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static int microblaze_sysreset_request(struct udevice *dev,
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enum sysreset_t type)
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{
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puts("Microblaze soft reset sysreset\n");
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__asm__ __volatile__ (
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"mts rmsr, r0;" \
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"brai " __stringify(CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR));
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return -EINPROGRESS;
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}
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static struct sysreset_ops microblaze_sysreset = {
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.request = microblaze_sysreset_request,
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};
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U_BOOT_DRIVER(sysreset_microblaze) = {
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.id = UCLASS_SYSRESET,
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.name = "mb_soft_reset",
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.ops = µblaze_sysreset,
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};
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