d239adf839
Most of changes were moving around where macros were defined, plus the following: - Remove requirement for floating point on RV64 to support booting monitor core on U54 SoC. - Add support for Debug LEDs on HiFive Unleashed Board
39 lines
912 B
C
39 lines
912 B
C
/*
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* Copyright (c) 2019 Elliot Berman
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*
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* Use of this source code is governed by a MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT
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*/
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#include <target.h>
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#include <arch/arch_ops.h>
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#include <platform/sifive.h>
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static volatile struct {
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volatile uint32_t pwmcfg;
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volatile uint32_t res0;
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volatile uint32_t pwmcount;
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volatile uint32_t res1;
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volatile uint32_t pwms;
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volatile uint32_t res2[3];
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volatile uint32_t pwmcmp[4];
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} *const pwm0_base = (void*)PWM0_BASE;
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void target_early_init(void) {
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pwm0_base->pwmcfg = 0x100f; // enable always and max scaling
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target_set_debug_led(0, false);
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target_set_debug_led(1, false);
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target_set_debug_led(2, false);
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target_set_debug_led(3, false);
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}
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void target_init(void) {
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}
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void target_set_debug_led(unsigned int led, bool on) {
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if(led > 3)
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return;
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pwm0_base->pwmcmp[led] = (0xffff + on) & 0xffff;
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}
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