/*
 * Copyright (c) Xilinx, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifdef __cplusplus
extern "C" {
#endif

/*typedef unsigned int  u32; */

/** do we need to make this name more unique ? **/
/*extern u32 ps7_init_data[]; */
extern unsigned long *ps7_ddr_init_data;
extern unsigned long *ps7_mio_init_data;
extern unsigned long *ps7_pll_init_data;
extern unsigned long *ps7_clock_init_data;
extern unsigned long *ps7_peripherals_init_data;

#define OPCODE_EXIT       0U
#define OPCODE_CLEAR      1U
#define OPCODE_WRITE      2U
#define OPCODE_MASKWRITE  3U
#define OPCODE_MASKPOLL   4U
#define OPCODE_MASKDELAY  5U
#define NEW_PS7_ERR_CODE 1

/* Encode number of arguments in last nibble */
#define EMIT_EXIT()                   ((OPCODE_EXIT      << 4) | 0)
#define EMIT_CLEAR(addr)              ((OPCODE_CLEAR     << 4) | 1) , addr
#define EMIT_WRITE(addr, val)          ((OPCODE_WRITE     << 4) | 2) , addr, val
#define EMIT_MASKWRITE(addr, mask, val) ((OPCODE_MASKWRITE << 4) | 3) , addr, mask, val
#define EMIT_MASKPOLL(addr, mask)      ((OPCODE_MASKPOLL  << 4) | 2) , addr, mask
#define EMIT_MASKDELAY(addr, mask)      ((OPCODE_MASKDELAY << 4) | 2) , addr, mask

/* Returns codes  of PS7_Init */
#define PS7_INIT_SUCCESS   (0)	/* 0 is success in good old C */
#define PS7_INIT_CORRUPT   (1)	/* 1 the data is corrupted, and slcr reg are in corrupted state now */
#define PS7_INIT_TIMEOUT   (2)	/* 2 when a poll operation timed out */
#define PS7_POLL_FAILED_DDR_INIT (3)	/* 3 when a poll operation timed out for ddr init */
#define PS7_POLL_FAILED_DMA      (4)	/* 4 when a poll operation timed out for dma done bit */
#define PS7_POLL_FAILED_PLL      (5)	/* 5 when a poll operation timed out for pll sequence init */

/* Silicon Versions */
#define PCW_SILICON_VERSION_1 0
#define PCW_SILICON_VERSION_2 1
#define PCW_SILICON_VERSION_3 2

/* This flag to be used by FSBL to check whether ps7_post_config() proc exixts */
#define PS7_POST_CONFIG

/* Freq of all peripherals */

#define APU_FREQ  650000000
#define DDR_FREQ  525000000
#define DCI_FREQ  10096154
#define QSPI_FREQ  200000000
#define SMC_FREQ  10000000
#define ENET0_FREQ  125000000
#define ENET1_FREQ  10000000
#define USB0_FREQ  60000000
#define USB1_FREQ  60000000
#define SDIO_FREQ  50000000
#define UART_FREQ  100000000
#define SPI_FREQ  10000000
#define I2C_FREQ  108333336
#define WDT_FREQ  108333336
#define TTC_FREQ  50000000
#define CAN_FREQ  10000000
#define PCAP_FREQ  200000000
#define TPIU_FREQ  200000000
#define FPGA0_FREQ  100000000
#define FPGA1_FREQ  142857132
#define FPGA2_FREQ  200000000
#define FPGA3_FREQ  50000000


/* For delay calculation using global registers*/
#define SCU_GLOBAL_TIMER_COUNT_L32	0xF8F00200
#define SCU_GLOBAL_TIMER_COUNT_U32	0xF8F00204
#define SCU_GLOBAL_TIMER_CONTROL	0xF8F00208
#define SCU_GLOBAL_TIMER_AUTO_INC	0xF8F00218

int ps7_config(unsigned long *);
int ps7_init(void);
int ps7_post_config(void);
int ps7_debug(void);
char *getPS7MessageInfo(unsigned key);

void perf_start_clock(void);
void perf_disable_clock(void);
void perf_reset_clock(void);
void perf_reset_and_start_timer(void);
int get_number_of_cycles_for_delay(unsigned int delay);
#ifdef __cplusplus
}
#endif