root/sys/arch/arm/marvell/mvsocreg.h
/*      $NetBSD: mvsocreg.h,v 1.14 2025/01/07 18:27:26 andvar Exp $     */
/*
 * Copyright (c) 2007, 2008 KIYOHARA Takashi
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _MVSOCREG_H_
#define _MVSOCREG_H_

#define MVSOC_UNITID_MASK               0xf
#define MVSOC_UNITID_DDR                0x0     /* DDR registers */
#define MVSOC_UNITID_DEVBUS             0x1     /* Device Bus registers */
#define MVSOC_UNITID_MLMB               0x2     /* Mbus-L to Mbus Bridge reg */
#define MVSOC_UNITID_PEX                0x4     /* PCI Express Interface reg */


#define MVSOC_INTERREGS_SIZE            0x00100000      /* 1 MB */


/*
 * Physical address of integrated peripherals
 */

#define UNITID2PHYS(uid)        ((MVSOC_UNITID_ ## uid) << 16)

/*
 * DDR SDRAM Controller Registers
 */
#define MVSOC_DDR_BASE          (UNITID2PHYS(DDR))      /* 0x00000 */

/* DDR SDRAM Controller Address Decode Registers */
#define MVSOC_DSC_BASE                  0x01500 /* DDR SDRAM Ctrl Addr Reg */
#define MVSOC_DSC_NCS                   4
#define MVSOC_DSC_CSBAR(x)              ((x) * 8)
#define MVSOC_DSC_CSBAR_BASE_MASK       0xff000000
#define MVSOC_DSC_CSSR(x)               ((x) * 8 + 4)
#define MVSOC_DSC_CSSR_WINEN            0x00000001
#define MVSOC_DSC_CSSR_SIZE_MASK        0xff000000

/*
 * Device Bus
 */
#define MVSOC_DEVBUS_BASE       (UNITID2PHYS(DEVBUS))   /* 0x10000 */

/*
 * General Purpose Port Registers
 */
#define MVSOC_GPP_BASE          (MVSOC_DEVBUS_BASE + 0x0100)

/*
 * Two-Wire Serial Interface Registers
 */
#define MVSOC_TWSI_BASE         (MVSOC_DEVBUS_BASE + 0x1000)

/*
 * UART Interface Registers
 */
                                /* NS16550 compatible */
#define MVSOC_COM0_BASE         (MVSOC_DEVBUS_BASE + 0x2000)
#define MVSOC_COM1_BASE         (MVSOC_DEVBUS_BASE + 0x2100)

/*
 * Mbus-L to Mbus Bridge Registers
 */
#define MVSOC_MLMB_BASE         (UNITID2PHYS(MLMB))     /* 0x20000 */

/* CPU Address Map Registers */
#define MVSOC_MLMB_WCR(w)                 ((w) < 8 ? ((w) << 4) + 0x0 :\
                                                     (((w) - 8) << 3) + 0x90)
#define MVSOC_MLMB_WCR_WINEN                    (1 << 0)
#define MVSOC_MLMB_WCR_SYNC                     (1 << 1) /* sync barrier */
#define MVSOC_MLMB_WCR_TARGET(t)                (((t) & 0xf) << 4)
#define MVSOC_MLMB_WCR_GET_TARGET(reg)          (((reg) >> 4) & 0xf)
#define MVSOC_MLMB_WCR_ATTR(a)                  (((a) & 0xff) << 8)
#define MVSOC_MLMB_WCR_GET_ATTR(reg)            (((reg) >> 8) & 0xff)
#define MVSOC_MLMB_WCR_SIZE_MASK                0xffff0000
#define MVSOC_MLMB_WCR_SIZE(s)            (((s) - 1) & MVSOC_MLMB_WCR_SIZE_MASK)
#define MVSOC_MLMB_WCR_GET_SIZE(reg) \
    (((reg) & MVSOC_MLMB_WCR_SIZE_MASK) + (1 << 16))
#define MVSOC_MLMB_WBR(w)                 ((w) < 8 ? ((w) << 4) + 0x4 :\
                                                     (((w) - 8) << 3) + 0x94)
#define MVSOC_MLMB_WBR_BASE_MASK                0xffff0000
#define MVSOC_MLMB_WBR_GET_BASE(reg)            (reg & MVSOC_MLMB_WBR_BASE_MASK)
#define MVSOC_MLMB_WRLR(w)                (((w) << 4) + 0x8)
#define MVSOC_MLMB_WRLR_REMAP_MASK              0xffff0000
#define MVSOC_MLMB_WRLR_GET_REMAP(reg) \
    (reg & MVSOC_MLMB_WRLR_REMAP_MASK)
#define MVSOC_MLMB_WRHR(w)                (((w) << 4) + 0xc)
#define MVSOC_MLMB_IRBAR                  0x080 /* Internal regs Base Address */
#define MVSOC_MLMB_IRBAR_BASE_MASK              0xfff00000

/* CPU Control and Status Registers */
#define MVSOC_MLMB_CPUCR                  0x100 /* CPU Configuration Register */
#define MVSOC_MLMB_CPUCSR                 0x104 /* CPU Control/Status Register*/
#define MVSOC_MLMB_RSTOUTNMASKR           0x108 /* RSTOUTn Mask Register */
#define MVSOC_MLMB_RSTOUTNMASKR_SOFTRSTOUTEN    (1 << 2)
#define MVSOC_MLMB_RSTOUTNMASKR_WDRSTOUTEN      (1 << 1)
#define MVSOC_MLMB_RSTOUTNMASKR_PEXRSTOUTEN     (1 << 0)
#define MVSOC_MLMB_SSRR                   0x10c /* System Soft Reset Register */
#define MVSOC_MLMB_SSRR_SYSTEMSOFTRST           (1 << 0)
#define MVSOC_MLMB_MLMBICR                0x110 /*Mb-L to Mb Bridge Intr Cause*/
#define MVSOC_MLMB_MLMBIMR                0x114 /*Mb-L to Mb Bridge Intr Mask */

#define MVSOC_MLMB_CLKGATING              0x11c /* Clock Gating Control */
#define MVSOC_MLMB_CLKGATING_LNR          (1 << 13) /* Load New Ratio */
#define MVSOC_MLMB_CLKGATING_GPH          (1 << 12) /* Go To Power Half */
#define MVSOC_MLMB_CLKGATING_GPS          (1 << 11) /* Go To Power Save */
#define MVSOC_MLMB_CLKGATING_CR           (1 << 10) /* Production Realignment */
#define MVSOC_MLMB_CLKGATING_BIT(n)       (1 << (n))

#define MVSOC_MLMB_L2CFG                  0x128 /* L2 Cache Config */

#define MVSOC_MLMB_NWIN                   4
#define MVSOC_MLMB_WINBAR(w)              (((w) << 3) + 0x180)
#define MVSOC_MLMB_WINBAR_BASE_MASK             0xff000000
#define MVSOC_MLMB_WINCR(w)               (((w) << 3) + 0x184)
#define MVSOC_MLMB_WINCR_EN                     (1 << 0)
#define MVSOC_MLMB_WINCR_WINCS(x)               (((x) & 0x1c) >> 2)
#define MVSOC_MLMB_WINCR_SIZE_MASK              0xff000000

/* Coherent Fabric(CFU) Control and Status */
#define MVSOC_MLMB_CFU_FAB_CTRL                 0x200
#define MVSOC_MLMB_CFU_FAB_CTRL_PROP_ERR        (0x1 << 8)
#define MVSOC_MLMB_CFU_FAB_CTRL_SNOOP_CPU0      (0x1 << 24)
#define MVSOC_MLMB_CFU_FAB_CTRL_SNOOP_CPU1      (0x1 << 25)
#define MVSOC_MLMB_CFU_FAB_CTRL_SNOOP_CPU2      (0x1 << 26)
#define MVSOC_MLMB_CFU_FAB_CTRL_SNOOP_CPU3      (0x1 << 27)

/* Coherent Fabiric Configuration */
#define MVSOC_MLMB_CFU_FAB_CFG                  0x204

/* CFU IO Event Affinity */
#define MVSOC_MLMB_CFU_EVA                      0x208

/* CFU IO Snoop Affinity */
#define MVSOC_MLMB_CFU_IOA                      0x20c

/* CFU Configuration XXX: changed in ARMADA 370 */ 
#define MVSOC_MLMB_CFU_CFG                      0x228
#define MVSOC_MLMB_CFU_CFG_L2_NOTIFY            (0x1 << 16)

/* CIB registers offsets */
#define MVSOC_MLMB_CIB_CTRL_CFG                 0x280
#define MVSOC_MLMB_CIB_CTRL_CFG_WB_EN           (0x1 << 0)
#define MVSOC_MLMB_CIB_CTRL_CFG_STOP            (0x1 << 9)
#define MVSOC_MLMB_CIB_CTRL_CFG_IGN_SHARE       (0x2 << 10)
#define MVSOC_MLMB_CIB_CTRL_CFG_EMPTY           (0x1 << 13)

/* CIB barrier register */
#define MVSOC_MLMB_CIB_BARRIER(cpu)             (0x1810 + 0x100 * (cpu))
#define MVSOC_MLMB_CIB_BARRIER_TRIGGER          (0x1 << 0)

#define MVSOC_TMR_BASE          (MVSOC_MLMB_BASE + 0x0300)

/* CPU Doorbell Registers */
#define MVSOC_MLMB_H2CDR                  0x400 /* Host-to-CPU Doorbell */
#define MVSOC_MLMB_H2CDMR                 0x404 /* Host-to-CPU Doorbell Mask */
#define MVSOC_MLMB_C2HDR                  0x408 /* CPU-to-Host Doorbell */
#define MVSOC_MLMB_C2HDMR                 0x40c /* CPU-to-Host Doorbell Mask */

/* Local to System Bridge Interrupt {Cause,Mask} Register bits */
#define MVSOC_MLMB_MLMBI_CPUSELFINT             0
#define MVSOC_MLMB_MLMBI_CPUTIMER0INTREQ        1
#define MVSOC_MLMB_MLMBI_CPUTIMER1INTREQ        2
#define MVSOC_MLMB_MLMBI_CPUWDTIMERINTREQ       3
#define MVSOC_MLMB_MLMBI_ACCESSERR              4
#define MVSOC_MLMB_MLMBI_BIT64ERR               5
#define MVSOC_MLMB_MLMBI_CPUTIMER2INTREQ        6
#define MVSOC_MLMB_MLMBI_CPUTIMER3INTREQ        7

#define MVSOC_MLMB_MLMBI_NIRQ                   8

/*
 * PCI-Express Interface Registers
 */
#define MVSOC_PEX_BASE          (UNITID2PHYS(PEX))      /* 0x40000 */


/*
 * AXI's DDR Controller Registers
 *   used by Dove only ???
 */

/* DDR SDRAM Controller Address Decode Registers */
#define MVSOC_AXI_NCS                   2
#define MVSOC_AXI_MMAP1(cs)             (((cs) << 4) + 0x100)
#define MVSOC_AXI_MMAP1_STARTADDRESS(v) ((v) & 0xff800000)
#define MVSOC_AXI_MMAP1_AREALENGTH(v)   (0x10000 << (((v) & 0xf0000) >> 16))
#define MVSOC_AXI_MMAP1_ADDRESSMASK     (0x1ff << 7)
#define MVSOC_AXI_MMAP1_VALID           (1 << 0)

#endif  /* _MVSOCREG_H_ */