/*
 * Copyright (c) 2016-2017 Synopsys, Inc. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * @brief Board configuration macros for EM Starter kit board
 *
 * This header file is used to specify and describe board-level
 * aspects for the target.
 */

#ifndef _SOC__H_
#define _SOC__H_

#include <misc/util.h>

/* default system clock */
/* On the EM Starter Kit board, the peripheral bus clock frequency is 50Mhz */
#define SYSCLK_DEFAULT_IOSC_HZ			MHZ(50)


/* ARC EM Core IRQs */
#define IRQ_TIMER0				16
#define IRQ_TIMER1				17

#define IRQ_CORE_DMA_COMPLETE			20
#define IRQ_CORE_DMA_ERROR			21

#ifndef _ASMLANGUAGE

#include <misc/util.h>
#include <drivers/rand32.h>

#define ARCV2_TIMER0_INT_LVL			IRQ_TIMER0
#define ARCV2_TIMER0_INT_PRI			0

#define ARCV2_TIMER1_INT_LVL			IRQ_TIMER1
#define ARCV2_TIMER1_INT_PRI			1

#define CONFIG_ARCV2_TIMER1_INT_LVL		IRQ_TIMER1
#define CONFIG_ARCV2_TIMER1_INT_PRI		1

#define INT_ENABLE_ARC				~(0x00000001 << 8)
#define INT_ENABLE_ARC_BIT_POS			(8)

/* I2C */
/* I2C_0 is on Pmod2 connector */
#define I2C_DW_0_BASE_ADDR			0xF0004000

/* I2C_1 is on Pmod4 connector */
#define I2C_DW_1_BASE_ADDR			0xF0005000

#define I2C_DW_IRQ_FLAGS			0

/* GPIO */
#define GPIO_DW_0_BASE_ADDR			0xF0002000 /* GPIO 0 : PORTA */
#define GPIO_DW_0_BITS				32
#define GPIO_DW_PORT_0_INT_MASK			0 /* n/a */
#define GPIO_DW_0_IRQ_FLAGS			0 /* Defaults */

#define GPIO_DW_1_BASE_ADDR			0xF000200C /* GPIO 1 : PORTB */
#define GPIO_DW_1_BITS				9          /* 9 LEDs on board */
#define GPIO_DW_PORT_1_INT_MASK			0 /* n/a */

#define GPIO_DW_2_BASE_ADDR			0xF0002018 /* GPIO 2 : PORTC */
#define GPIO_DW_2_BITS				32
#define GPIO_DW_PORT_2_INT_MASK			0 /* n/a */

#define GPIO_DW_3_BASE_ADDR			0xF0002024 /* GPIO 3 : PORTD */
#define GPIO_DW_3_BITS				12
#define GPIO_DW_PORT_3_INT_MASK			0 /* n/a */

/* SPI */
#define SPI_DW_SPI_CLOCK			SYSCLK_DEFAULT_IOSC_HZ

#define SPI_DW_PORT_0_REGS			0xF0006000
#define SPI_DW_PORT_1_REGS			0xF0007000

#define SPI_DW_IRQ_FLAGS			0

/*
 * SPI Chip Select Assignments on EM Starter Kit
 *
 *  CS0   Pmod6 - pin 1 - J6
 *  CS1   Pmod5 - pin 1 - J5 & Pmod 6 - pin 7 - J6
 *  CS2   Pmod6 - pin 8 - J6
 *  CS3   SDCard (onboard)
 *  CS4   Internal SPI Slave - loopback
 *  CS5   SPI-Flash (onboard)
 */

/*
 * UARTs: UART0 & UART1 & UART2
 */
#define UART_NS16550_PORT_0_BASE_ADDR		0xF0008000
#define UART_NS16550_PORT_0_CLK_FREQ		SYSCLK_DEFAULT_IOSC_HZ

#define UART_NS16550_PORT_1_BASE_ADDR		0xF0009000
#define UART_NS16550_PORT_1_CLK_FREQ		SYSCLK_DEFAULT_IOSC_HZ

#define UART_NS16550_PORT_2_BASE_ADDR		0xF000A000
#define UART_NS16550_PORT_2_CLK_FREQ		SYSCLK_DEFAULT_IOSC_HZ

#define UART_IRQ_FLAGS				0 /* Default */

/**
 * Peripheral Interrupt Connection Configurations
 */
#ifdef CONFIG_BOARD_EM_STARTERKIT_R23
#define GPIO_DW_0_IRQ				24
#define I2C_DW_0_IRQ				25
#define I2C_DW_1_IRQ				26
#define SPI_DW_PORT_0_IRQ			27
#define SPI_DW_PORT_1_IRQ			28
#define UART_NS16550_PORT_0_IRQ			29
#define UART_NS16550_PORT_1_IRQ			30
#define UART_NS16550_PORT_2_IRQ			31
#else /* CONFIG_BOARD_EM_STARTERKIT_R23 */
#define GPIO_DW_0_IRQ				22
#define I2C_DW_0_IRQ				23
#define I2C_DW_1_IRQ				24
#define SPI_DW_PORT_0_IRQ			25
#define SPI_DW_PORT_1_IRQ			26
#define UART_NS16550_PORT_0_IRQ			27
#define UART_NS16550_PORT_1_IRQ			28
#define UART_NS16550_PORT_2_IRQ			29
#endif /* !CONFIG_BOARD_EM_STARTERKIT_R23 */

#define GPIO_DW_1_IRQ				0	/* can't interrupt */
#define GPIO_DW_2_IRQ				0	/* can't interrupt */
#define GPIO_DW_3_IRQ				0	/* can't interrupt */

#endif /* !_ASMLANGUAGE */

#endif /* _SOC__H_ */