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cpu/vexriscv: fix flush_cpu_icache, remove workaround on boot.c.

This commit is contained in:
Florent Kermarrec 2020-05-02 20:07:52 +02:00
parent 97e534d0b6
commit b02053357c
2 changed files with 1 additions and 4 deletions
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2
litex/soc/cores/cpu/vexriscv/system.h
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@ -10,7 +10,7 @@ extern "C" {
__attribute__((unused)) static void flush_cpu_icache(void) __attribute__((unused)) static void flush_cpu_icache(void)
{ {
asm volatile( asm volatile(
".word(0x400F)\n" ".word(0x100F)\n"
"nop\n" "nop\n"
"nop\n" "nop\n"
"nop\n" "nop\n"

3
litex/soc/software/bios/boot.c
View File

@ -43,10 +43,7 @@ static void __attribute__((noreturn)) boot(unsigned long r1, unsigned long r2, u
irq_setmask(0); irq_setmask(0);
irq_setie(0); irq_setie(0);
#endif #endif
/* FIXME: understand why flushing icache on Vexriscv make boot fail */
#ifndef __vexriscv__
flush_cpu_icache(); flush_cpu_icache();
#endif
flush_cpu_dcache(); flush_cpu_dcache();
#ifdef CONFIG_L2_SIZE #ifdef CONFIG_L2_SIZE
flush_l2_cache(); flush_l2_cache();