/*
 * Copyright (C) 2010 Albert ARIBAUD <albert.u.boot@aribaud.net>
 *
 * Based on original Kirorion5x_ood support which is
 * (C) Copyright 2009
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */

#ifndef _ORION5X_CPU_H
#define _ORION5X_CPU_H

#include <asm/system.h>

#ifndef __ASSEMBLY__

#define ORION5X_CPU_WIN_CTRL_DATA(size, target, attr, en) (en | (target << 4) \
                        | (attr << 8) | (orion5x_winctrl_calcsize(size) << 16))

#define ORION5XGBE_PORT_SERIAL_CONTROL1_REG(_x) \
                ((_x ? ORION5X_EGIGA0_BASE : ORION5X_EGIGA1_BASE) + 0x44c)

enum memory_bank {
        BANK0,
        BANK1,
        BANK2,
        BANK3
};

enum orion5x_cpu_winen {
        ORION5X_WIN_DISABLE,
        ORION5X_WIN_ENABLE
};

enum orion5x_cpu_target {
        ORION5X_TARGET_DRAM = 0,
        ORION5X_TARGET_DEVICE = 1,
        ORION5X_TARGET_PCI = 3,
        ORION5X_TARGET_PCIE = 4,
        ORION5X_TARGET_SASRAM = 9
};

enum orion5x_cpu_attrib {
        ORION5X_ATTR_DRAM_CS0 = 0x0e,
        ORION5X_ATTR_DRAM_CS1 = 0x0d,
        ORION5X_ATTR_DRAM_CS2 = 0x0b,
        ORION5X_ATTR_DRAM_CS3 = 0x07,
        ORION5X_ATTR_PCI_MEM = 0x59,
        ORION5X_ATTR_PCI_IO = 0x51,
        ORION5X_ATTR_PCIE_MEM = 0x59,
        ORION5X_ATTR_PCIE_IO = 0x51,
        ORION5X_ATTR_SASRAM = 0x00,
        ORION5X_ATTR_DEV_CS0 = 0x1e,
        ORION5X_ATTR_DEV_CS1 = 0x1d,
        ORION5X_ATTR_DEV_CS2 = 0x1b,
        ORION5X_ATTR_BOOTROM = 0x0f
};

/*
 * Device Address MAP BAR values
 *
 * All addresses and sizes not defined by board code
 * will be given default values here.
 */

#if !defined (ORION5X_ADR_PCIE_MEM)
#define ORION5X_ADR_PCIE_MEM    0x90000000
#endif

#if !defined (ORION5X_ADR_PCIE_MEM_REMAP_LO)
#define ORION5X_ADR_PCIE_MEM_REMAP_LO   0x90000000
#endif

#if !defined (ORION5X_ADR_PCIE_MEM_REMAP_HI)
#define ORION5X_ADR_PCIE_MEM_REMAP_HI   0
#endif

#if !defined (ORION5X_SZ_PCIE_MEM)
#define ORION5X_SZ_PCIE_MEM     (128*1024*1024)
#endif

#if !defined (ORION5X_ADR_PCIE_IO)
#define ORION5X_ADR_PCIE_IO     0xf0000000
#endif

#if !defined (ORION5X_ADR_PCIE_IO_REMAP_LO)
#define ORION5X_ADR_PCIE_IO_REMAP_LO    0x90000000
#endif

#if !defined (ORION5X_ADR_PCIE_IO_REMAP_HI)
#define ORION5X_ADR_PCIE_IO_REMAP_HI    0
#endif

#if !defined (ORION5X_SZ_PCIE_IO)
#define ORION5X_SZ_PCIE_IO      (64*1024)
#endif

#if !defined (ORION5X_ADR_PCI_MEM)
#define ORION5X_ADR_PCI_MEM     0x98000000
#endif

#if !defined (ORION5X_SZ_PCI_MEM)
#define ORION5X_SZ_PCI_MEM      (128*1024*1024)
#endif

#if !defined (ORION5X_ADR_PCI_IO)
#define ORION5X_ADR_PCI_IO      0xf0100000
#endif

#if !defined (ORION5X_SZ_PCI_IO)
#define ORION5X_SZ_PCI_IO       (64*1024)
#endif

#if !defined (ORION5X_ADR_DEV_CS0)
#define ORION5X_ADR_DEV_CS0     0xfa000000
#endif

#if !defined (ORION5X_SZ_DEV_CS0)
#define ORION5X_SZ_DEV_CS0      (2*1024*1024)
#endif

#if !defined (ORION5X_ADR_DEV_CS1)
#define ORION5X_ADR_DEV_CS1     0xf8000000
#endif

#if !defined (ORION5X_SZ_DEV_CS1)
#define ORION5X_SZ_DEV_CS1      (32*1024*1024)
#endif

#if !defined (ORION5X_ADR_DEV_CS2)
#define ORION5X_ADR_DEV_CS2     0xfa800000
#endif

#if !defined (ORION5X_SZ_DEV_CS2)
#define ORION5X_SZ_DEV_CS2      (1*1024*1024)
#endif

#if !defined (ORION5X_ADR_BOOTROM)
#define ORION5X_ADR_BOOTROM     0xFFF80000
#endif

#if !defined (ORION5X_SZ_BOOTROM)
#define ORION5X_SZ_BOOTROM      (512*1024)
#endif

/*
 * PCIE registers are used for SoC device ID and revision
 */
#define PCIE_DEV_ID_OFF         (ORION5X_REG_PCIE_BASE + 0x0000)
#define PCIE_DEV_REV_OFF        (ORION5X_REG_PCIE_BASE + 0x0008)

/*
 * The following definitions are intended for identifying
 * the real device and revision on which u-boot is running
 * even if it was compiled only for a specific one. Thus,
 * these constants must not be considered chip-specific.
 */

/* Orion-1 (88F5181) and Orion-VoIP (88F5181L) */
#define MV88F5181_DEV_ID        0x5181
#define MV88F5181_REV_B1        3
#define MV88F5181L_REV_A0       8
#define MV88F5181L_REV_A1       9
/* Orion-NAS (88F5182) */
#define MV88F5182_DEV_ID        0x5182
#define MV88F5182_REV_A2        2
/* Orion-2 (88F5281) */
#define MV88F5281_DEV_ID        0x5281
#define MV88F5281_REV_D0        4
#define MV88F5281_REV_D1        5
#define MV88F5281_REV_D2        6
/* Orion-1-90 (88F6183) */
#define MV88F6183_DEV_ID        0x6183
#define MV88F6183_REV_B0        3

/*
 * read feroceon core extra feature register
 * using co-proc instruction
 */
static inline unsigned int readfr_extra_feature_reg(void)
{
        unsigned int val;
        asm volatile ("mrc p15, 1, %0, c15, c1, 0 @ readfr exfr" : "=r"
                        (val) : : "cc");
        return val;
}

/*
 * write feroceon core extra feature register
 * using co-proc instruction
 */
static inline void writefr_extra_feature_reg(unsigned int val)
{
        asm volatile ("mcr p15, 1, %0, c15, c1, 0 @ writefr exfr" : : "r"
                        (val) : "cc");
        isb();
}

/*
 * AHB to Mbus Bridge Registers
 * Source: 88F5182 User Manual, Appendix A, section A.4
 * Note: only windows 0 and 1 have remap capability.
 */
struct orion5x_win_registers {
        u32 ctrl;
        u32 base;
        u32 remap_lo;
        u32 remap_hi;
};

/*
 * CPU control and status Registers
 * Source: 88F5182 User Manual, Appendix A, section A.4
 */
struct orion5x_cpu_registers {
        u32 config;     /*0x20100 */
        u32 ctrl_stat;  /*0x20104 */
        u32 rstoutn_mask; /* 0x20108 */
        u32 sys_soft_rst; /* 0x2010C */
        u32 ahb_mbus_cause_irq; /* 0x20110 */
        u32 ahb_mbus_mask_irq; /* 0x20114 */
};

/*
 * DDR SDRAM Controller Address Decode Registers
 * Source: 88F5182 User Manual, Appendix A, section A.5.1
 */
struct orion5x_ddr_addr_decode_registers {
        u32 base;
        u32 size;
};

/*
 * functions
 */
u32 orion5x_device_id(void);
u32 orion5x_device_rev(void);
unsigned int orion5x_winctrl_calcsize(unsigned int sizeval);
void timer_init_r(void);
#endif /* __ASSEMBLY__ */
#endif /* _ORION5X_CPU_H */