c8e4a56f00
Uses the target/debugconfig.h file pattern laid down before, which is a bit long in the tooth but for the moment still helps us separate target from platform.
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
// Copyright (c) 2020 Brian Swetland
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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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#include <platform.h>
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#include <arch/arm/cm.h>
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#include <target/debugconfig.h>
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#include <hardware/clocks.h>
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#include <hardware/gpio.h>
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#include <hardware/uart.h>
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#include <hardware/resets.h>
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extern void* vectab;
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void platform_early_init(void) {
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// initialize the clock tree.
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// gets clock values from defines in SDK at
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// external/platform/pico/rp2040/hardware_regs/include/hardware/platform_defs.h
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clocks_init();
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// start the systick timer
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arm_cm_systick_init(125000000);
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// unreset everything
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unreset_block_wait(RESETS_RESET_BITS);
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// target defines drive how we configure the debug uart
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uart_init(DEBUG_UART, 115200);
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gpio_set_function(DEBUG_UART_GPIOA, GPIO_FUNC_UART);
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gpio_set_function(DEBUG_UART_GPIOB, GPIO_FUNC_UART);
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uart_puts(DEBUG_UART, "Hello World!\n");
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}
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void platform_init(void) {
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}
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bool running_on_fpga(void) {
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return false;
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}
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