root/drivers/bus/omap_l3_smx.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * OMAP3XXX L3 Interconnect Driver header
 *
 * Copyright (C) 2011 Texas Corporation
 *      Felipe Balbi <balbi@ti.com>
 *      Santosh Shilimkar <santosh.shilimkar@ti.com>
 *      sricharan <r.sricharan@ti.com>
 */
#ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
#define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H

/* Register definitions. All 64-bit wide */
#define L3_COMPONENT                    0x000
#define L3_CORE                         0x018
#define L3_AGENT_CONTROL                0x020
#define L3_AGENT_STATUS                 0x028
#define L3_ERROR_LOG                    0x058

#define L3_ERROR_LOG_MULTI              (1 << 31)
#define L3_ERROR_LOG_SECONDARY          (1 << 30)

#define L3_ERROR_LOG_ADDR               0x060

/* Register definitions for Sideband Interconnect */
#define L3_SI_CONTROL                   0x020
#define L3_SI_FLAG_STATUS_0             0x510

static const u64 shift = 1;

#define L3_STATUS_0_MPUIA_BRST          (shift << 0)
#define L3_STATUS_0_MPUIA_RSP           (shift << 1)
#define L3_STATUS_0_MPUIA_INBAND        (shift << 2)
#define L3_STATUS_0_IVAIA_BRST          (shift << 6)
#define L3_STATUS_0_IVAIA_RSP           (shift << 7)
#define L3_STATUS_0_IVAIA_INBAND        (shift << 8)
#define L3_STATUS_0_SGXIA_BRST          (shift << 9)
#define L3_STATUS_0_SGXIA_RSP           (shift << 10)
#define L3_STATUS_0_SGXIA_MERROR        (shift << 11)
#define L3_STATUS_0_CAMIA_BRST          (shift << 12)
#define L3_STATUS_0_CAMIA_RSP           (shift << 13)
#define L3_STATUS_0_CAMIA_INBAND        (shift << 14)
#define L3_STATUS_0_DISPIA_BRST         (shift << 15)
#define L3_STATUS_0_DISPIA_RSP          (shift << 16)
#define L3_STATUS_0_DMARDIA_BRST        (shift << 18)
#define L3_STATUS_0_DMARDIA_RSP         (shift << 19)
#define L3_STATUS_0_DMAWRIA_BRST        (shift << 21)
#define L3_STATUS_0_DMAWRIA_RSP         (shift << 22)
#define L3_STATUS_0_USBOTGIA_BRST       (shift << 24)
#define L3_STATUS_0_USBOTGIA_RSP        (shift << 25)
#define L3_STATUS_0_USBOTGIA_INBAND     (shift << 26)
#define L3_STATUS_0_USBHOSTIA_BRST      (shift << 27)
#define L3_STATUS_0_USBHOSTIA_INBAND    (shift << 28)
#define L3_STATUS_0_SMSTA_REQ           (shift << 48)
#define L3_STATUS_0_GPMCTA_REQ          (shift << 49)
#define L3_STATUS_0_OCMRAMTA_REQ        (shift << 50)
#define L3_STATUS_0_OCMROMTA_REQ        (shift << 51)
#define L3_STATUS_0_IVATA_REQ           (shift << 54)
#define L3_STATUS_0_SGXTA_REQ           (shift << 55)
#define L3_STATUS_0_SGXTA_SERROR        (shift << 56)
#define L3_STATUS_0_GPMCTA_SERROR       (shift << 57)
#define L3_STATUS_0_L4CORETA_REQ        (shift << 58)
#define L3_STATUS_0_L4PERTA_REQ         (shift << 59)
#define L3_STATUS_0_L4EMUTA_REQ         (shift << 60)
#define L3_STATUS_0_MAD2DTA_REQ         (shift << 61)

#define L3_STATUS_0_TIMEOUT_MASK        (L3_STATUS_0_MPUIA_BRST         \
                                        | L3_STATUS_0_MPUIA_RSP         \
                                        | L3_STATUS_0_IVAIA_BRST        \
                                        | L3_STATUS_0_IVAIA_RSP         \
                                        | L3_STATUS_0_SGXIA_BRST        \
                                        | L3_STATUS_0_SGXIA_RSP         \
                                        | L3_STATUS_0_CAMIA_BRST        \
                                        | L3_STATUS_0_CAMIA_RSP         \
                                        | L3_STATUS_0_DISPIA_BRST       \
                                        | L3_STATUS_0_DISPIA_RSP        \
                                        | L3_STATUS_0_DMARDIA_BRST      \
                                        | L3_STATUS_0_DMARDIA_RSP       \
                                        | L3_STATUS_0_DMAWRIA_BRST      \
                                        | L3_STATUS_0_DMAWRIA_RSP       \
                                        | L3_STATUS_0_USBOTGIA_BRST     \
                                        | L3_STATUS_0_USBOTGIA_RSP      \
                                        | L3_STATUS_0_USBHOSTIA_BRST    \
                                        | L3_STATUS_0_SMSTA_REQ         \
                                        | L3_STATUS_0_GPMCTA_REQ        \
                                        | L3_STATUS_0_OCMRAMTA_REQ      \
                                        | L3_STATUS_0_OCMROMTA_REQ      \
                                        | L3_STATUS_0_IVATA_REQ         \
                                        | L3_STATUS_0_SGXTA_REQ         \
                                        | L3_STATUS_0_L4CORETA_REQ      \
                                        | L3_STATUS_0_L4PERTA_REQ       \
                                        | L3_STATUS_0_L4EMUTA_REQ       \
                                        | L3_STATUS_0_MAD2DTA_REQ)

#define L3_SI_FLAG_STATUS_1             0x530

#define L3_STATUS_1_MPU_DATAIA          (1 << 0)
#define L3_STATUS_1_DAPIA0              (1 << 3)
#define L3_STATUS_1_DAPIA1              (1 << 4)
#define L3_STATUS_1_IVAIA               (1 << 6)

#define L3_PM_ERROR_LOG                 0x020
#define L3_PM_CONTROL                   0x028
#define L3_PM_ERROR_CLEAR_SINGLE        0x030
#define L3_PM_ERROR_CLEAR_MULTI         0x038
#define L3_PM_REQ_INFO_PERMISSION(n)    (0x048 + (0x020 * n))
#define L3_PM_READ_PERMISSION(n)        (0x050 + (0x020 * n))
#define L3_PM_WRITE_PERMISSION(n)       (0x058 + (0x020 * n))
#define L3_PM_ADDR_MATCH(n)             (0x060 + (0x020 * n))

/* L3 error log bit fields. Common for IA and TA */
#define L3_ERROR_LOG_CODE               24
#define L3_ERROR_LOG_INITID             8
#define L3_ERROR_LOG_CMD                0

/* L3 agent status bit fields. */
#define L3_AGENT_STATUS_CLEAR_IA        0x10000000
#define L3_AGENT_STATUS_CLEAR_TA        0x01000000

#define OMAP34xx_IRQ_L3_APP             10
#define L3_APPLICATION_ERROR            0x0
#define L3_DEBUG_ERROR                  0x1

enum omap3_l3_initiator_id {
        /* LCD has 1 ID */
        OMAP_L3_LCD = 29,
        /* SAD2D has 1 ID */
        OMAP_L3_SAD2D = 28,
        /* MPU has 5 IDs */
        OMAP_L3_IA_MPU_SS_1 = 27,
        OMAP_L3_IA_MPU_SS_2 = 26,
        OMAP_L3_IA_MPU_SS_3 = 25,
        OMAP_L3_IA_MPU_SS_4 = 24,
        OMAP_L3_IA_MPU_SS_5 = 23,
        /* IVA2.2 SS has 3 IDs*/
        OMAP_L3_IA_IVA_SS_1 = 22,
        OMAP_L3_IA_IVA_SS_2 = 21,
        OMAP_L3_IA_IVA_SS_3 = 20,
        /* IVA 2.2 SS DMA has 6 IDS */
        OMAP_L3_IA_IVA_SS_DMA_1 = 19,
        OMAP_L3_IA_IVA_SS_DMA_2 = 18,
        OMAP_L3_IA_IVA_SS_DMA_3 = 17,
        OMAP_L3_IA_IVA_SS_DMA_4 = 16,
        OMAP_L3_IA_IVA_SS_DMA_5 = 15,
        OMAP_L3_IA_IVA_SS_DMA_6 = 14,
        /* SGX has 1 ID */
        OMAP_L3_IA_SGX = 13,
        /* CAM has 3 ID */
        OMAP_L3_IA_CAM_1 = 12,
        OMAP_L3_IA_CAM_2 = 11,
        OMAP_L3_IA_CAM_3 = 10,
        /* DAP has 1 ID */
        OMAP_L3_IA_DAP = 9,
        /* SDMA WR has 2 IDs */
        OMAP_L3_SDMA_WR_1 = 8,
        OMAP_L3_SDMA_WR_2 = 7,
        /* SDMA RD has 4 IDs */
        OMAP_L3_SDMA_RD_1 = 6,
        OMAP_L3_SDMA_RD_2 = 5,
        OMAP_L3_SDMA_RD_3 = 4,
        OMAP_L3_SDMA_RD_4 = 3,
        /* HSUSB OTG has 1 ID */
        OMAP_L3_USBOTG = 2,
        /* HSUSB HOST has 1 ID */
        OMAP_L3_USBHOST = 1,
};

enum omap3_l3_code {
        OMAP_L3_CODE_NOERROR = 0,
        OMAP_L3_CODE_UNSUP_CMD = 1,
        OMAP_L3_CODE_ADDR_HOLE = 2,
        OMAP_L3_CODE_PROTECT_VIOLATION = 3,
        OMAP_L3_CODE_IN_BAND_ERR = 4,
        /* codes 5 and 6 are reserved */
        OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT = 7,
        OMAP_L3_CODE_REQ_TOUT_NO_RESP = 8,
        /* codes 9 - 15 are also reserved */
};

struct omap3_l3 {
        struct device *dev;
        struct clk *ick;

        /* memory base*/
        void __iomem *rt;

        int debug_irq;
        int app_irq;

        /* true when and inband functional error occurs */
        unsigned inband:1;
};

/* offsets for l3 agents in order with the Flag status register */
static unsigned int omap3_l3_app_bases[] = {
        /* MPU IA */
        0x1400,
        0x1400,
        0x1400,
        /* RESERVED */
        0,
        0,
        0,
        /* IVA 2.2 IA */
        0x1800,
        0x1800,
        0x1800,
        /* SGX IA */
        0x1c00,
        0x1c00,
        /* RESERVED */
        0,
        /* CAMERA IA */
        0x5800,
        0x5800,
        0x5800,
        /* DISPLAY IA */
        0x5400,
        0x5400,
        /* RESERVED */
        0,
        /*SDMA RD IA */
        0x4c00,
        0x4c00,
        /* RESERVED */
        0,
        /* SDMA WR IA */
        0x5000,
        0x5000,
        /* RESERVED */
        0,
        /* USB OTG IA */
        0x4400,
        0x4400,
        0x4400,
        /* USB HOST IA */
        0x4000,
        0x4000,
        /* RESERVED */
        0,
        0,
        0,
        0,
        /* SAD2D IA */
        0x3000,
        0x3000,
        0x3000,
        /* RESERVED */
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        /* SMA TA */
        0x2000,
        /* GPMC TA */
        0x2400,
        /* OCM RAM TA */
        0x2800,
        /* OCM ROM TA */
        0x2C00,
        /* L4 CORE TA */
        0x6800,
        /* L4 PER TA */
        0x6c00,
        /* IVA 2.2 TA */
        0x6000,
        /* SGX TA */
        0x6400,
        /* L4 EMU TA */
        0x7000,
        /* GPMC TA */
        0x2400,
        /* L4 CORE TA */
        0x6800,
        /* L4 PER TA */
        0x6c00,
        /* L4 EMU TA */
        0x7000,
        /* MAD2D TA */
        0x3400,
        /* RESERVED */
        0,
        0,
};

static unsigned int omap3_l3_debug_bases[] = {
        /* MPU DATA IA */
        0x1400,
        /* RESERVED */
        0,
        0,
        /* DAP IA */
        0x5c00,
        0x5c00,
        /* RESERVED */
        0,
        /* IVA 2.2 IA */
        0x1800,
        /* REST RESERVED */
};

static u32 *omap3_l3_bases[] = {
        omap3_l3_app_bases,
        omap3_l3_debug_bases,
};

/*
 * REVISIT define __raw_readll/__raw_writell here, but move them to
 * <asm/io.h> at some point
 */
#define __raw_writell(v, a)     (__chk_io_ptr(a), \
                                *(volatile u64 __force *)(a) = (v))
#define __raw_readll(a)         (__chk_io_ptr(a), \
                                *(volatile u64 __force *)(a))

#endif