zephyr/soc/arm/ti_lm3s6965/soc_config.c

64 lines
1.2 KiB
C

/*
* Copyright (c) 2015 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file Board config file
*/
#include <zephyr/device.h>
#include <zephyr/init.h>
#include <zephyr/kernel.h>
#include "soc.h"
#ifdef CONFIG_UART_STELLARIS
#include <zephyr/drivers/uart.h>
#define RCGC1 (*((volatile uint32_t *)0x400FE104))
#define RCGC1_UART0_EN 0x00000001
#define RCGC1_UART1_EN 0x00000002
#define RCGC1_UART2_EN 0x00000004
static int uart_stellaris_init(void)
{
#ifdef CONFIG_UART_STELLARIS_PORT_0
RCGC1 |= RCGC1_UART0_EN;
#endif
#ifdef CONFIG_UART_STELLARIS_PORT_1
RCGC1 |= RCGC1_UART1_EN;
#endif
#ifdef CONFIG_UART_STELLARIS_PORT_2
RCGC1 |= RCGC1_UART2_EN;
#endif
return 0;
}
SYS_INIT(uart_stellaris_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
#endif /* CONFIG_UART_STELLARIS */
#ifdef CONFIG_ETH_STELLARIS
#define RCGC2 (*((volatile uint32_t *)0x400FE108))
#define RCGC2_PHY_EN 0x40000000
#define RCGC2_EMAC_EN 0x10000000
static int eth_stellaris_init(void)
{
RCGC2 |= (RCGC2_PHY_EN | RCGC2_EMAC_EN);
return 0;
}
SYS_INIT(eth_stellaris_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
#endif /* CONFIG_ETH_STELLARIS */