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4a21192e27
This allows microwatt's kernel to be built with an embedded device tree. Load to arch/powerpc/boot/dtbImage.microwatt to 0x500000: mw_debug -b fpga stop load arch/powerpc/boot/dtbImage.microwatt 500000 start Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/YMwX19wym3kQ7guu@thinks.paulus.ozlabs.org
24 lines
549 B
C
24 lines
549 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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#include <stddef.h>
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#include "stdio.h"
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#include "types.h"
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#include "io.h"
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#include "ops.h"
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BSS_STACK(8192);
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void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)
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{
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unsigned long heapsize = 16*1024*1024 - (unsigned long)_end;
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/*
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* Disable interrupts and turn off MSR_RI, since we'll
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* shortly be overwriting the interrupt vectors.
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*/
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__asm__ volatile("mtmsrd %0,1" : : "r" (0));
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simple_alloc_init(_end, heapsize, 32, 64);
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fdt_init(_dtb_start);
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serial_console_init();
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}
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