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/* Copyright 2021 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* SCP UART module for MT8192 specific */
#include "uart_regs.h"
/*
* UARTN == 0, SCP UART0
* UARTN == 1, SCP UART1
* UARTN == 2, AP UART1
*/
#define UARTN CONFIG_UART_CONSOLE
void uart_init_pinmux(void)
{
#if UARTN == 0
SCP_UART_CK_SEL |= UART0_CK_SEL_VAL(UART_CK_SEL_ULPOSC);
SCP_SET_CLK_CG |= CG_UART0_MCLK | CG_UART0_BCLK | CG_UART0_RST;
/* set AP GPIO164 and GPIO165 to alt func 3 */
AP_GPIO_MODE20_CLR = 0x00770000;
AP_GPIO_MODE20_SET = 0x00330000;
#elif UARTN == 1
SCP_UART_CK_SEL |= UART1_CK_SEL_VAL(UART_CK_SEL_ULPOSC);
SCP_SET_CLK_CG |= CG_UART1_MCLK | CG_UART1_BCLK | CG_UART1_RST;
#endif
}
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