xref: /openbmc/u-boot/board/opalkelly/zynq/zynq-syzygy-hub/ps7_init_gpl.c (revision a8ea299c)

/******************************************************************************
* (c) Copyright 2010-2014 Xilinx, Inc. All rights reserved.
* (c) Copyright 2017 Opal Kelly Inc.
*
* SPDX-License-Identifier: GPL-2.0+
 *****************************************************************************/

#include "ps7_init_gpl.h"
#include "asm/io.h"

unsigned long ps7_pll_init_data_3_0[] = {
	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
	EMIT_MASKWRITE(0XF8000110, 0x003FFFF0U, 0x001772C0U),
	EMIT_MASKWRITE(0XF8000100, 0x0007F000U, 0x0001A000U),
	EMIT_MASKWRITE(0XF8000100, 0x00000010U, 0x00000010U),
	EMIT_MASKWRITE(0XF8000100, 0x00000001U, 0x00000001U),
	EMIT_MASKWRITE(0XF8000100, 0x00000001U, 0x00000000U),
	EMIT_MASKPOLL(0XF800010C, 0x00000001U),
	EMIT_MASKWRITE(0XF8000100, 0x00000010U, 0x00000000U),
	EMIT_MASKWRITE(0XF8000120, 0x1F003F30U, 0x1F000200U),
	EMIT_MASKWRITE(0XF8000114, 0x003FFFF0U, 0x001DB2C0U),
	EMIT_MASKWRITE(0XF8000104, 0x0007F000U, 0x00015000U),
	EMIT_MASKWRITE(0XF8000104, 0x00000010U, 0x00000010U),
	EMIT_MASKWRITE(0XF8000104, 0x00000001U, 0x00000001U),
	EMIT_MASKWRITE(0XF8000104, 0x00000001U, 0x00000000U),
	EMIT_MASKPOLL(0XF800010C, 0x00000002U),
	EMIT_MASKWRITE(0XF8000104, 0x00000010U, 0x00000000U),
	EMIT_MASKWRITE(0XF8000124, 0xFFF00003U, 0x0C200003U),
	EMIT_MASKWRITE(0XF8000118, 0x003FFFF0U, 0x001F42C0U),
	EMIT_MASKWRITE(0XF8000108, 0x0007F000U, 0x00014000U),
	EMIT_MASKWRITE(0XF8000108, 0x00000010U, 0x00000010U),
	EMIT_MASKWRITE(0XF8000108, 0x00000001U, 0x00000001U),
	EMIT_MASKWRITE(0XF8000108, 0x00000001U, 0x00000000U),
	EMIT_MASKPOLL(0XF800010C, 0x00000004U),
	EMIT_MASKWRITE(0XF8000108, 0x00000010U, 0x00000000U),
	EMIT_WRITE(0XF8000004, 0x0000767BU),
	EMIT_EXIT(),
};

unsigned long ps7_clock_init_data_3_0[] = {
	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
	EMIT_MASKWRITE(0XF8000128, 0x03F03F01U, 0x00203401U),
	EMIT_MASKWRITE(0XF8000138, 0x00000011U, 0x00000001U),
	EMIT_MASKWRITE(0XF8000140, 0x03F03F71U, 0x00100801U),
	EMIT_MASKWRITE(0XF800014C, 0x00003F31U, 0x00000501U),
	EMIT_MASKWRITE(0XF8000150, 0x00003F33U, 0x00000A01U),
	EMIT_MASKWRITE(0XF8000154, 0x00003F33U, 0x00000A01U),
	EMIT_MASKWRITE(0XF8000168, 0x00003F31U, 0x00000501U),
	EMIT_MASKWRITE(0XF8000170, 0x03F03F30U, 0x00400500U),
	EMIT_MASKWRITE(0XF80001C4, 0x00000001U, 0x00000001U),
	EMIT_MASKWRITE(0XF800012C, 0x01FFCCCDU, 0x01DC044DU),
	EMIT_WRITE(0XF8000004, 0x0000767BU),
	EMIT_EXIT(),
};

unsigned long ps7_ddr_init_data_3_0[] = {
	EMIT_MASKWRITE(0XF8006000, 0x0001FFFFU, 0x00000080U),
	EMIT_MASKWRITE(0XF8006004, 0x0007FFFFU, 0x00001081U),
	EMIT_MASKWRITE(0XF8006008, 0x03FFFFFFU, 0x03C0780FU),
	EMIT_MASKWRITE(0XF800600C, 0x03FFFFFFU, 0x02001001U),
	EMIT_MASKWRITE(0XF8006010, 0x03FFFFFFU, 0x00014001U),
	EMIT_MASKWRITE(0XF8006014, 0x001FFFFFU, 0x0004281AU),
	EMIT_MASKWRITE(0XF8006018, 0xF7FFFFFFU, 0x44E458D2U),
	EMIT_MASKWRITE(0XF800601C, 0xFFFFFFFFU, 0x720238E5U),
	EMIT_MASKWRITE(0XF8006020, 0x7FDFFFFCU, 0x270872D0U),
	EMIT_MASKWRITE(0XF8006024, 0x0FFFFFC3U, 0x00000000U),
	EMIT_MASKWRITE(0XF8006028, 0x00003FFFU, 0x00002007U),
	EMIT_MASKWRITE(0XF800602C, 0xFFFFFFFFU, 0x00000008U),
	EMIT_MASKWRITE(0XF8006030, 0xFFFFFFFFU, 0x00040930U),
	EMIT_MASKWRITE(0XF8006034, 0x13FF3FFFU, 0x000116D4U),
	EMIT_MASKWRITE(0XF8006038, 0x00000003U, 0x00000000U),
	EMIT_MASKWRITE(0XF800603C, 0x000FFFFFU, 0x00000777U),
	EMIT_MASKWRITE(0XF8006040, 0xFFFFFFFFU, 0xFFF00000U),
	EMIT_MASKWRITE(0XF8006044, 0x0FFFFFFFU, 0x0F666666U),
	EMIT_MASKWRITE(0XF8006048, 0x0003F03FU, 0x0003C008U),
	EMIT_MASKWRITE(0XF8006050, 0xFF0F8FFFU, 0x77010800U),
	EMIT_MASKWRITE(0XF8006058, 0x00010000U, 0x00000000U),
	EMIT_MASKWRITE(0XF800605C, 0x0000FFFFU, 0x00005003U),
	EMIT_MASKWRITE(0XF8006060, 0x000017FFU, 0x0000003EU),
	EMIT_MASKWRITE(0XF8006064, 0x00021FE0U, 0x00020000U),
	EMIT_MASKWRITE(0XF8006068, 0x03FFFFFFU, 0x00284141U),
	EMIT_MASKWRITE(0XF800606C, 0x0000FFFFU, 0x00001610U),
	EMIT_MASKWRITE(0XF8006078, 0x03FFFFFFU, 0x00466111U),
	EMIT_MASKWRITE(0XF800607C, 0x000FFFFFU, 0x00032222U),
	EMIT_MASKWRITE(0XF80060A4, 0xFFFFFFFFU, 0x10200802U),
	EMIT_MASKWRITE(0XF80060A8, 0x0FFFFFFFU, 0x0690CB73U),
	EMIT_MASKWRITE(0XF80060AC, 0x000001FFU, 0x000001FEU),
	EMIT_MASKWRITE(0XF80060B0, 0x1FFFFFFFU, 0x1CFFFFFFU),
	EMIT_MASKWRITE(0XF80060B4, 0x00000200U, 0x00000200U),
	EMIT_MASKWRITE(0XF80060B8, 0x01FFFFFFU, 0x00200066U),
	EMIT_MASKWRITE(0XF80060C4, 0x00000003U, 0x00000000U),
	EMIT_MASKWRITE(0XF80060C8, 0x000000FFU, 0x00000000U),
	EMIT_MASKWRITE(0XF80060DC, 0x00000001U, 0x00000000U),
	EMIT_MASKWRITE(0XF80060F0, 0x0000FFFFU, 0x00000000U),
	EMIT_MASKWRITE(0XF80060F4, 0x0000000FU, 0x00000008U),
	EMIT_MASKWRITE(0XF8006114, 0x000000FFU, 0x00000000U),
	EMIT_MASKWRITE(0XF8006118, 0x7FFFFFCFU, 0x40000001U),
	EMIT_MASKWRITE(0XF800611C, 0x7FFFFFCFU, 0x40000001U),
	EMIT_MASKWRITE(0XF8006120, 0x7FFFFFCFU, 0x40000001U),
	EMIT_MASKWRITE(0XF8006124, 0x7FFFFFCFU, 0x40000001U),
	EMIT_MASKWRITE(0XF800612C, 0x000FFFFFU, 0x00029000U),
	EMIT_MASKWRITE(0XF8006130, 0x000FFFFFU, 0x00029000U),
	EMIT_MASKWRITE(0XF8006134, 0x000FFFFFU, 0x00029000U),
	EMIT_MASKWRITE(0XF8006138, 0x000FFFFFU, 0x00029000U),
	EMIT_MASKWRITE(0XF8006140, 0x000FFFFFU, 0x00000035U),
	EMIT_MASKWRITE(0XF8006144, 0x000FFFFFU, 0x00000035U),
	EMIT_MASKWRITE(0XF8006148, 0x000FFFFFU, 0x00000035U),
	EMIT_MASKWRITE(0XF800614C, 0x000FFFFFU, 0x00000035U),
	EMIT_MASKWRITE(0XF8006154, 0x000FFFFFU, 0x00000080U),
	EMIT_MASKWRITE(0XF8006158, 0x000FFFFFU, 0x00000080U),
	EMIT_MASKWRITE(0XF800615C, 0x000FFFFFU, 0x00000080U),
	EMIT_MASKWRITE(0XF8006160, 0x000FFFFFU, 0x00000080U),
	EMIT_MASKWRITE(0XF8006168, 0x001FFFFFU, 0x000000F9U),
	EMIT_MASKWRITE(0XF800616C, 0x001FFFFFU, 0x000000F9U),
	EMIT_MASKWRITE(0XF8006170, 0x001FFFFFU, 0x000000F9U),
	EMIT_MASKWRITE(0XF8006174, 0x001FFFFFU, 0x000000F9U),
	EMIT_MASKWRITE(0XF800617C, 0x000FFFFFU, 0x000000C0U),
	EMIT_MASKWRITE(0XF8006180, 0x000FFFFFU, 0x000000C0U),
	EMIT_MASKWRITE(0XF8006184, 0x000FFFFFU, 0x000000C0U),
	EMIT_MASKWRITE(0XF8006188, 0x000FFFFFU, 0x000000C0U),
	EMIT_MASKWRITE(0XF8006190, 0x6FFFFEFEU, 0x00040080U),
	EMIT_MASKWRITE(0XF8006194, 0x000FFFFFU, 0x0001FC82U),
	EMIT_MASKWRITE(0XF8006204, 0xFFFFFFFFU, 0x00000000U),
	EMIT_MASKWRITE(0XF8006208, 0x000703FFU, 0x000003FFU),
	EMIT_MASKWRITE(0XF800620C, 0x000703FFU, 0x000003FFU),
	EMIT_MASKWRITE(0XF8006210, 0x000703FFU, 0x000003FFU),
	EMIT_MASKWRITE(0XF8006214, 0x000703FFU, 0x000003FFU),
	EMIT_MASKWRITE(0XF8006218, 0x000F03FFU, 0x000003FFU),
	EMIT_MASKWRITE(0XF800621C, 0x000F03FFU, 0x000003FFU),
	EMIT_MASKWRITE(0XF8006220, 0x000F03FFU, 0x000003FFU),
	EMIT_MASKWRITE(0XF8006224, 0x000F03FFU, 0x000003FFU),
	EMIT_MASKWRITE(0XF80062A8, 0x00000FF5U, 0x00000000U),
	EMIT_MASKWRITE(0XF80062AC, 0xFFFFFFFFU, 0x00000000U),
	EMIT_MASKWRITE(0XF80062B0, 0x003FFFFFU, 0x00005125U),
	EMIT_MASKWRITE(0XF80062B4, 0x0003FFFFU, 0x000012A8U),
	EMIT_MASKPOLL(0XF8000B74, 0x00002000U),
	EMIT_MASKWRITE(0XF8006000, 0x0001FFFFU, 0x00000081U),
	EMIT_MASKPOLL(0XF8006054, 0x00000007U),
	EMIT_EXIT(),
};

unsigned long ps7_mio_init_data_3_0[] = {
	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
	EMIT_MASKWRITE(0XF8000B40, 0x00000FFFU, 0x00000600U),
	EMIT_MASKWRITE(0XF8000B44, 0x00000FFFU, 0x00000600U),
	EMIT_MASKWRITE(0XF8000B48, 0x00000FFFU, 0x00000672U),
	EMIT_MASKWRITE(0XF8000B4C, 0x00000FFFU, 0x00000672U),
	EMIT_MASKWRITE(0XF8000B50, 0x00000FFFU, 0x00000674U),
	EMIT_MASKWRITE(0XF8000B54, 0x00000FFFU, 0x00000674U),
	EMIT_MASKWRITE(0XF8000B58, 0x00000FFFU, 0x00000600U),
	EMIT_MASKWRITE(0XF8000B5C, 0xFFFFFFFFU, 0x0018C61CU),
	EMIT_MASKWRITE(0XF8000B60, 0xFFFFFFFFU, 0x00F9861CU),
	EMIT_MASKWRITE(0XF8000B64, 0xFFFFFFFFU, 0x00F9861CU),
	EMIT_MASKWRITE(0XF8000B68, 0xFFFFFFFFU, 0x00F9861CU),
	EMIT_MASKWRITE(0XF8000B6C, 0x00007FFFU, 0x00000260U),
	EMIT_MASKWRITE(0XF8000B70, 0x00000001U, 0x00000001U),
	EMIT_MASKWRITE(0XF8000B70, 0x00000021U, 0x00000020U),
	EMIT_MASKWRITE(0XF8000B70, 0x07FEFFFFU, 0x00000823U),
	EMIT_MASKWRITE(0XF8000700, 0x00003FFFU, 0x00001600U),
	EMIT_MASKWRITE(0XF8000704, 0x00003FFFU, 0x00001602U),
	EMIT_MASKWRITE(0XF8000708, 0x00003FFFU, 0x00000602U),
	EMIT_MASKWRITE(0XF800070C, 0x00003FFFU, 0x00000602U),
	EMIT_MASKWRITE(0XF8000710, 0x00003FFFU, 0x00000602U),
	EMIT_MASKWRITE(0XF8000714, 0x00003FFFU, 0x00000602U),
	EMIT_MASKWRITE(0XF8000718, 0x00003FFFU, 0x00000602U),
	EMIT_MASKWRITE(0XF800071C, 0x00003FFFU, 0x00000600U),
	EMIT_MASKWRITE(0XF8000720, 0x00003FFFU, 0x00000600U),
	EMIT_MASKWRITE(0XF8000724, 0x00003FFFU, 0x00001600U),
	EMIT_MASKWRITE(0XF8000728, 0x00003FFFU, 0x00001600U),
	EMIT_MASKWRITE(0XF800072C, 0x00003FFFU, 0x00001600U),
	EMIT_MASKWRITE(0XF8000730, 0x00003FFFU, 0x00001640U),
	EMIT_MASKWRITE(0XF8000734, 0x00003FFFU, 0x00001640U),
	EMIT_MASKWRITE(0XF8000738, 0x00003FFFU, 0x000016E1U),
	EMIT_MASKWRITE(0XF800073C, 0x00003FFFU, 0x000016E0U),
	EMIT_MASKWRITE(0XF8000740, 0x00003FFFU, 0x00001202U),
	EMIT_MASKWRITE(0XF8000744, 0x00003FFFU, 0x00001202U),
	EMIT_MASKWRITE(0XF8000748, 0x00003FFFU, 0x00001202U),
	EMIT_MASKWRITE(0XF800074C, 0x00003FFFU, 0x00001202U),
	EMIT_MASKWRITE(0XF8000750, 0x00003FFFU, 0x00001202U),
	EMIT_MASKWRITE(0XF8000754, 0x00003FFFU, 0x00001202U),
	EMIT_MASKWRITE(0XF8000758, 0x00003FFFU, 0x00001203U),
	EMIT_MASKWRITE(0XF800075C, 0x00003FFFU, 0x00001203U),
	EMIT_MASKWRITE(0XF8000760, 0x00003FFFU, 0x00001203U),
	EMIT_MASKWRITE(0XF8000764, 0x00003FFFU, 0x00001203U),
	EMIT_MASKWRITE(0XF8000768, 0x00003FFFU, 0x00001203U),
	EMIT_MASKWRITE(0XF800076C, 0x00003FFFU, 0x00001203U),
	EMIT_MASKWRITE(0XF8000770, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF8000774, 0x00003FFFU, 0x00001205U),
	EMIT_MASKWRITE(0XF8000778, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF800077C, 0x00003FFFU, 0x00001205U),
	EMIT_MASKWRITE(0XF8000780, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF8000784, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF8000788, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF800078C, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF8000790, 0x00003FFFU, 0x00001205U),
	EMIT_MASKWRITE(0XF8000794, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF8000798, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF800079C, 0x00003FFFU, 0x00001204U),
	EMIT_MASKWRITE(0XF80007A0, 0x00003FFFU, 0x00001280U),
	EMIT_MASKWRITE(0XF80007A4, 0x00003FFFU, 0x00001280U),
	EMIT_MASKWRITE(0XF80007A8, 0x00003FFFU, 0x00001280U),
	EMIT_MASKWRITE(0XF80007AC, 0x00003FFFU, 0x00001280U),
	EMIT_MASKWRITE(0XF80007B0, 0x00003FFFU, 0x00001280U),
	EMIT_MASKWRITE(0XF80007B4, 0x00003FFFU, 0x00001280U),
	EMIT_MASKWRITE(0XF80007B8, 0x00003F01U, 0x00001201U),
	EMIT_MASKWRITE(0XF80007BC, 0x00003FFFU, 0x00001200U),
	EMIT_MASKWRITE(0XF80007C0, 0x00003FFFU, 0x00001200U),
	EMIT_MASKWRITE(0XF80007C4, 0x00003FFFU, 0x00001200U),
	EMIT_MASKWRITE(0XF80007C8, 0x00003FFFU, 0x00001200U),
	EMIT_MASKWRITE(0XF80007CC, 0x00003FFFU, 0x00001200U),
	EMIT_MASKWRITE(0XF80007D0, 0x00003FFFU, 0x00001280U),
	EMIT_MASKWRITE(0XF80007D4, 0x00003FFFU, 0x00001280U),
	EMIT_MASKWRITE(0XF8000830, 0x003F003FU, 0x002E0037U),
	EMIT_WRITE(0XF8000004, 0x0000767BU),
	EMIT_EXIT(),
};

unsigned long ps7_peripherals_init_data_3_0[] = {
	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
	EMIT_MASKWRITE(0XF8000B48, 0x00000180U, 0x00000180U),
	EMIT_MASKWRITE(0XF8000B4C, 0x00000180U, 0x00000180U),
	EMIT_MASKWRITE(0XF8000B50, 0x00000180U, 0x00000180U),
	EMIT_MASKWRITE(0XF8000B54, 0x00000180U, 0x00000180U),
	EMIT_WRITE(0XF8000004, 0x0000767BU),
	EMIT_MASKWRITE(0XE0000034, 0x000000FFU, 0x00000006U),
	EMIT_MASKWRITE(0XE0000018, 0x0000FFFFU, 0x0000007CU),
	EMIT_MASKWRITE(0XE0000000, 0x000001FFU, 0x00000017U),
	EMIT_MASKWRITE(0XE0000004, 0x000003FFU, 0x00000020U),
	EMIT_MASKWRITE(0XE000D000, 0x00080000U, 0x00080000U),
	EMIT_MASKWRITE(0XF8007000, 0x20000000U, 0x00000000U),
	EMIT_MASKWRITE(0XE000A244, 0x003FFFFFU, 0x00088000U),
	EMIT_MASKWRITE(0XE000A008, 0xFFFFFFFFU, 0x7FFF8000U),
	EMIT_MASKWRITE(0XE000A248, 0x003FFFFFU, 0x00088000U),
	EMIT_MASKWRITE(0XE000A008, 0xFFFFFFFFU, 0x7FFF0000U),
	EMIT_MASKDELAY(0XF8F00200, 1),
	EMIT_MASKWRITE(0XE000A008, 0xFFFFFFFFU, 0x7FFF8000U),
	EMIT_MASKDELAY(0XF8F00200, 1),
	EMIT_MASKWRITE(0XE000A244, 0x003FFFFFU, 0x00088000U),
	EMIT_MASKWRITE(0XE000A00C, 0x003F003FU, 0x00370008U),
	EMIT_MASKWRITE(0XE000A248, 0x003FFFFFU, 0x00088000U),
	EMIT_MASKWRITE(0XE000A00C, 0x003F003FU, 0x00370000U),
	EMIT_MASKDELAY(0XF8F00200, 1),
	EMIT_MASKWRITE(0XE000A00C, 0x003F003FU, 0x00370008U),
	EMIT_MASKDELAY(0XF8F00200, 1),
	EMIT_MASKDELAY(0XF8F00200, 1),
	EMIT_MASKDELAY(0XF8F00200, 1),
	EMIT_EXIT(),
};

unsigned long ps7_post_config_3_0[] = {
	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
	EMIT_MASKWRITE(0XF8000900, 0x0000000FU, 0x0000000FU),
	EMIT_MASKWRITE(0XF8000240, 0xFFFFFFFFU, 0x00000000U),
	EMIT_WRITE(0XF8000004, 0x0000767BU),
	EMIT_EXIT(),
};


unsigned long ps7_reset_apu_3_0[] = {
	EMIT_MASKWRITE(0xF8000244, 0x00000022U, 0x00000022U),
	EMIT_EXIT(),
};

#define PS7_MASK_POLL_TIME 100000000

static inline void iowrite(unsigned long val, unsigned long addr)
{
	__raw_writel(val, addr);
}

static inline unsigned long ioread(unsigned long addr)
{
	return __raw_readl(addr);
}

int ps7_config(unsigned long *ps7_config_init)
{
	unsigned long *ptr = ps7_config_init;

	unsigned long opcode;	/* current instruction .. */
	unsigned long args[16];	/* no opcode has so many args ... */
	int numargs;		/* number of arguments of this instruction */
	int j;			/* general purpose index */

	unsigned long addr;
	unsigned long val, mask;

	int finish = -1;	/* loop while this is negative ! */
	int i = 0;		/* Timeout variable */

	while (finish < 0) {
		numargs = ptr[0] & 0xF;
		opcode = ptr[0] >> 4;

		for (j = 0; j < numargs; j++)
			args[j] = ptr[j + 1];
		ptr += numargs + 1;

		switch (opcode) {
		case OPCODE_EXIT:
			finish = PS7_INIT_SUCCESS;
			break;

		case OPCODE_WRITE:
			addr = args[0];
			val = args[1];
			iowrite(val, addr);
			break;

		case OPCODE_MASKWRITE:
			addr = args[0];
			mask = args[1];
			val = args[2];
			iowrite((val & mask) | (ioread(addr) & ~mask) , addr);
			break;

		case OPCODE_MASKPOLL:
			addr = args[0];
			mask = args[1];
			i = 0;
			while (!(ioread(addr) & mask)) {
				if (i == PS7_MASK_POLL_TIME) {
					finish = PS7_INIT_TIMEOUT;
					break;
				}
				i++;
			}
			break;
		case OPCODE_MASKDELAY:
			addr = args[0];
			mask = args[1];
			int delay = get_number_of_cycles_for_delay(mask);
			perf_reset_and_start_timer();
			while (ioread(addr) < delay)
				;
			break;
		default:
			finish = PS7_INIT_CORRUPT;
			break;
		}
	}
	return finish;
}

int ps7_post_config(void)
{
	return ps7_config(ps7_post_config_3_0);
}

int ps7_init(void)
{
	int ret;

	ret = ps7_config(ps7_reset_apu_3_0);
	if (ret != PS7_INIT_SUCCESS)
		return ret;

	ret = ps7_config(ps7_mio_init_data_3_0);
	if (ret != PS7_INIT_SUCCESS)
		return ret;

	ret = ps7_config(ps7_pll_init_data_3_0);
	if (ret != PS7_INIT_SUCCESS)
		return ret;

	ret = ps7_config(ps7_clock_init_data_3_0);
	if (ret != PS7_INIT_SUCCESS)
		return ret;

	ret = ps7_config(ps7_ddr_init_data_3_0);
	if (ret != PS7_INIT_SUCCESS)
		return ret;

	ret = ps7_config(ps7_peripherals_init_data_3_0);
	if (ret != PS7_INIT_SUCCESS)
		return ret;
	return PS7_INIT_SUCCESS;
}

/* For delay calculation using global timer */

/* start timer */
void perf_start_clock(void)
{
	iowrite((1 << 0) | /* Timer Enable */
		(1 << 3) | /* Auto-increment */
		(0 << 8),  /* Pre-scale */
		SCU_GLOBAL_TIMER_CONTROL);
}

/* stop timer and reset timer count regs */
void perf_reset_clock(void)
{
	perf_disable_clock();
	iowrite(0, SCU_GLOBAL_TIMER_COUNT_L32);
	iowrite(0, SCU_GLOBAL_TIMER_COUNT_U32);
}

/* Compute mask for given delay in miliseconds*/
int get_number_of_cycles_for_delay(unsigned int delay)
{
	return APU_FREQ * delay / (2 * 1000);
}

/* stop timer */
void perf_disable_clock(void)
{
	iowrite(0, SCU_GLOBAL_TIMER_CONTROL);
}

void perf_reset_and_start_timer(void)
{
	perf_reset_clock();
	perf_start_clock();
}