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// SPDX-License-Identifier: GPL-2.0-only
#include <common.h>
#include <io.h>
#include <mach/omap/am3xxx-silicon.h>
/* UART Defines */
#define UART_SYSCFG_OFFSET 0x54
#define UART_SYSSTS_OFFSET 0x58
#define UART_CLK_RUNNING_MASK 0x1
#define UART_RESET (0x1 << 1)
#define UART_SMART_IDLE_EN (0x1 << 0x3)
void am3xxx_uart_soft_reset(void __iomem *uart_base)
{
int reg;
reg = readl(uart_base + UART_SYSCFG_OFFSET);
reg |= UART_RESET;
writel(reg, (uart_base + UART_SYSCFG_OFFSET));
while ((readl(uart_base + UART_SYSSTS_OFFSET) &
UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
;
/* Disable smart idle */
reg = readl((uart_base + UART_SYSCFG_OFFSET));
reg |= UART_SMART_IDLE_EN;
writel(reg, (uart_base + UART_SYSCFG_OFFSET));
}
void am33xx_uart_soft_reset(void __iomem *uart_base)
__alias(am3xxx_uart_soft_reset);
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