Use correct spelling of "U-Boot"

[people/ms/u-boot.git] / drivers / net / fsl-mc / mc.c

/*
 * Copyright (C) 2014 Freescale Semiconductor
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */
#include <common.h>
#include <errno.h>
#include <linux/bug.h>
#include <asm/io.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <fsl-mc/fsl_mc.h>
#include <fsl-mc/fsl_mc_sys.h>
#include <fsl-mc/fsl_mc_private.h>
#include <fsl-mc/fsl_dpmng.h>
#include <fsl-mc/fsl_dprc.h>
#include <fsl-mc/fsl_dpio.h>
#include <fsl-mc/fsl_dpni.h>
#include <fsl-mc/fsl_qbman_portal.h>
#include <fsl-mc/ldpaa_wriop.h>

#define MC_RAM_BASE_ADDR_ALIGNMENT  (512UL * 1024 * 1024)
#define MC_RAM_BASE_ADDR_ALIGNMENT_MASK (~(MC_RAM_BASE_ADDR_ALIGNMENT - 1))
#define MC_RAM_SIZE_ALIGNMENT       (256UL * 1024 * 1024)

#define MC_MEM_SIZE_ENV_VAR     "mcmemsize"
#define MC_BOOT_TIMEOUT_ENV_VAR "mcboottimeout"

DECLARE_GLOBAL_DATA_PTR;
static int mc_boot_status = -1;
static int mc_dpl_applied = -1;
#ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
static int mc_aiop_applied = -1;
#endif
struct fsl_mc_io *root_mc_io = NULL;
struct fsl_mc_io *dflt_mc_io = NULL; /* child container */
uint16_t root_dprc_handle = 0;
uint16_t dflt_dprc_handle = 0;
int child_dprc_id;
struct fsl_dpbp_obj *dflt_dpbp = NULL;
struct fsl_dpio_obj *dflt_dpio = NULL;
struct fsl_dpni_obj *dflt_dpni = NULL;

#ifdef DEBUG
void dump_ram_words(const char *title, void *addr)
{
        int i;
        uint32_t *words = addr;

        printf("Dumping beginning of %s (%p):\n", title, addr);
        for (i = 0; i < 16; i++)
                printf("%#x ", words[i]);

        printf("\n");
}

void dump_mc_ccsr_regs(struct mc_ccsr_registers __iomem *mc_ccsr_regs)
{
        printf("MC CCSR registers:\n"
                "reg_gcr1 %#x\n"
                "reg_gsr %#x\n"
                "reg_sicbalr %#x\n"
                "reg_sicbahr %#x\n"
                "reg_sicapr %#x\n"
                "reg_mcfbalr %#x\n"
                "reg_mcfbahr %#x\n"
                "reg_mcfapr %#x\n"
                "reg_psr %#x\n",
                mc_ccsr_regs->reg_gcr1,
                mc_ccsr_regs->reg_gsr,
                mc_ccsr_regs->reg_sicbalr,
                mc_ccsr_regs->reg_sicbahr,
                mc_ccsr_regs->reg_sicapr,
                mc_ccsr_regs->reg_mcfbalr,
                mc_ccsr_regs->reg_mcfbahr,
                mc_ccsr_regs->reg_mcfapr,
                mc_ccsr_regs->reg_psr);
}
#else

#define dump_ram_words(title, addr)
#define dump_mc_ccsr_regs(mc_ccsr_regs)

#endif /* DEBUG */

#ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
/**
 * Copying MC firmware or DPL image to DDR
 */
static int mc_copy_image(const char *title,
                         u64 image_addr, u32 image_size, u64 mc_ram_addr)
{
        debug("%s copied to address %p\n", title, (void *)mc_ram_addr);
        memcpy((void *)mc_ram_addr, (void *)image_addr, image_size);
        flush_dcache_range(mc_ram_addr, mc_ram_addr + image_size);
        return 0;
}

/**
 * MC firmware FIT image parser checks if the image is in FIT
 * format, verifies integrity of the image and calculates
 * raw image address and size values.
 * Returns 0 on success and a negative errno on error.
 * task fail.
 **/
int parse_mc_firmware_fit_image(u64 mc_fw_addr,
                                const void **raw_image_addr,
                                size_t *raw_image_size)
{
        int format;
        void *fit_hdr;
        int node_offset;
        const void *data;
        size_t size;
        const char *uname = "firmware";

        fit_hdr = (void *)mc_fw_addr;

        /* Check if Image is in FIT format */
        format = genimg_get_format(fit_hdr);

        if (format != IMAGE_FORMAT_FIT) {
                printf("fsl-mc: ERR: Bad firmware image (not a FIT image)\n");
                return -EINVAL;
        }

        if (!fit_check_format(fit_hdr)) {
                printf("fsl-mc: ERR: Bad firmware image (bad FIT header)\n");
                return -EINVAL;
        }

        node_offset = fit_image_get_node(fit_hdr, uname);

        if (node_offset < 0) {
                printf("fsl-mc: ERR: Bad firmware image (missing subimage)\n");
                return -ENOENT;
        }

        /* Verify MC firmware image */
        if (!(fit_image_verify(fit_hdr, node_offset))) {
                printf("fsl-mc: ERR: Bad firmware image (bad CRC)\n");
                return -EINVAL;
        }

        /* Get address and size of raw image */
        fit_image_get_data(fit_hdr, node_offset, &data, &size);

        *raw_image_addr = data;
        *raw_image_size = size;

        return 0;
}
#endif

/*
 * Calculates the values to be used to specify the address range
 * for the MC private DRAM block, in the MCFBALR/MCFBAHR registers.
 * It returns the highest 512MB-aligned address within the given
 * address range, in '*aligned_base_addr', and the number of 256 MiB
 * blocks in it, in 'num_256mb_blocks'.
 */
static int calculate_mc_private_ram_params(u64 mc_private_ram_start_addr,
                                           size_t mc_ram_size,
                                           u64 *aligned_base_addr,
                                           u8 *num_256mb_blocks)
{
        u64 addr;
        u16 num_blocks;

        if (mc_ram_size % MC_RAM_SIZE_ALIGNMENT != 0) {
                printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
                       mc_ram_size);
                return -EINVAL;
        }

        num_blocks = mc_ram_size / MC_RAM_SIZE_ALIGNMENT;
        if (num_blocks < 1 || num_blocks > 0xff) {
                printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
                       mc_ram_size);
                return -EINVAL;
        }

        addr = (mc_private_ram_start_addr + mc_ram_size - 1) &
                MC_RAM_BASE_ADDR_ALIGNMENT_MASK;

        if (addr < mc_private_ram_start_addr) {
                printf("fsl-mc: ERROR: bad start address %#llx\n",
                       mc_private_ram_start_addr);
                return -EFAULT;
        }

        *aligned_base_addr = addr;
        *num_256mb_blocks = num_blocks;
        return 0;
}

static int mc_fixup_dpc(u64 dpc_addr)
{
        void *blob = (void *)dpc_addr;
        int nodeoffset;

        /* delete any existing ICID pools */
        nodeoffset = fdt_path_offset(blob, "/resources/icid_pools");
        if (fdt_del_node(blob, nodeoffset) < 0)
                printf("\nfsl-mc: WARNING: could not delete ICID pool\n");

        /* add a new pool */
        nodeoffset = fdt_path_offset(blob, "/resources");
        if (nodeoffset < 0) {
                printf("\nfsl-mc: ERROR: DPC is missing /resources\n");
                return -EINVAL;
        }
        nodeoffset = fdt_add_subnode(blob, nodeoffset, "icid_pools");
        nodeoffset = fdt_add_subnode(blob, nodeoffset, "icid_pool@0");
        do_fixup_by_path_u32(blob, "/resources/icid_pools/icid_pool@0",
                             "base_icid", FSL_DPAA2_STREAM_ID_START, 1);
        do_fixup_by_path_u32(blob, "/resources/icid_pools/icid_pool@0",
                             "num",
                             FSL_DPAA2_STREAM_ID_END -
                             FSL_DPAA2_STREAM_ID_START + 1, 1);

        flush_dcache_range(dpc_addr, dpc_addr + fdt_totalsize(blob));

        return 0;
}

static int load_mc_dpc(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpc_addr)
{
        u64 mc_dpc_offset;
#ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
        int error;
        void *dpc_fdt_hdr;
        int dpc_size;
#endif

#ifdef CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET
        BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET & 0x3) != 0 ||
                     CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET > 0xffffffff);

        mc_dpc_offset = CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET;
#else
#error "CONFIG_SYS_LS_MC_DRAM_DPC_OFFSET not defined"
#endif

        /*
         * Load the MC DPC blob in the MC private DRAM block:
         */
#ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
        printf("MC DPC is preloaded to %#llx\n", mc_ram_addr + mc_dpc_offset);
#else
        /*
         * Get address and size of the DPC blob stored in flash:
         */
        dpc_fdt_hdr = (void *)mc_dpc_addr;

        error = fdt_check_header(dpc_fdt_hdr);
        if (error != 0) {
                /*
                 * Don't return with error here, since the MC firmware can
                 * still boot without a DPC
                 */
                printf("\nfsl-mc: WARNING: No DPC image found");
                return 0;
        }

        dpc_size = fdt_totalsize(dpc_fdt_hdr);
        if (dpc_size > CONFIG_SYS_LS_MC_DPC_MAX_LENGTH) {
                printf("\nfsl-mc: ERROR: Bad DPC image (too large: %d)\n",
                       dpc_size);
                return -EINVAL;
        }

        mc_copy_image("MC DPC blob",
                      (u64)dpc_fdt_hdr, dpc_size, mc_ram_addr + mc_dpc_offset);
#endif /* not defined CONFIG_SYS_LS_MC_DPC_IN_DDR */

        if (mc_fixup_dpc(mc_ram_addr + mc_dpc_offset))
                return -EINVAL;

        dump_ram_words("DPC", (void *)(mc_ram_addr + mc_dpc_offset));
        return 0;
}

static int load_mc_dpl(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpl_addr)
{
        u64 mc_dpl_offset;
#ifndef CONFIG_SYS_LS_MC_DPL_IN_DDR
        int error;
        void *dpl_fdt_hdr;
        int dpl_size;
#endif

#ifdef CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET
        BUILD_BUG_ON((CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET & 0x3) != 0 ||
                     CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET > 0xffffffff);

        mc_dpl_offset = CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET;
#else
#error "CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET not defined"
#endif

        /*
         * Load the MC DPL blob in the MC private DRAM block:
         */
#ifdef CONFIG_SYS_LS_MC_DPL_IN_DDR
        printf("MC DPL is preloaded to %#llx\n", mc_ram_addr + mc_dpl_offset);
#else
        /*
         * Get address and size of the DPL blob stored in flash:
         */
        dpl_fdt_hdr = (void *)mc_dpl_addr;

        error = fdt_check_header(dpl_fdt_hdr);
        if (error != 0) {
                printf("\nfsl-mc: ERROR: Bad DPL image (bad header)\n");
                return error;
        }

        dpl_size = fdt_totalsize(dpl_fdt_hdr);
        if (dpl_size > CONFIG_SYS_LS_MC_DPL_MAX_LENGTH) {
                printf("\nfsl-mc: ERROR: Bad DPL image (too large: %d)\n",
                       dpl_size);
                return -EINVAL;
        }

        mc_copy_image("MC DPL blob",
                      (u64)dpl_fdt_hdr, dpl_size, mc_ram_addr + mc_dpl_offset);
#endif /* not defined CONFIG_SYS_LS_MC_DPL_IN_DDR */

        dump_ram_words("DPL", (void *)(mc_ram_addr + mc_dpl_offset));
        return 0;
}

/**
 * Return the MC boot timeout value in milliseconds
 */
static unsigned long get_mc_boot_timeout_ms(void)
{
        unsigned long timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;

        char *timeout_ms_env_var = getenv(MC_BOOT_TIMEOUT_ENV_VAR);

        if (timeout_ms_env_var) {
                timeout_ms = simple_strtoul(timeout_ms_env_var, NULL, 10);
                if (timeout_ms == 0) {
                        printf("fsl-mc: WARNING: Invalid value for \'"
                               MC_BOOT_TIMEOUT_ENV_VAR
                               "\' environment variable: %lu\n",
                               timeout_ms);

                        timeout_ms = CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS;
                }
        }

        return timeout_ms;
}

#ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
static int load_mc_aiop_img(u64 aiop_fw_addr)
{
        u64 mc_ram_addr = mc_get_dram_addr();
#ifndef CONFIG_SYS_LS_MC_DPC_IN_DDR
        void *aiop_img;
#endif

        /*
         * Load the MC AIOP image in the MC private DRAM block:
         */

#ifdef CONFIG_SYS_LS_MC_DPC_IN_DDR
        printf("MC AIOP is preloaded to %#llx\n", mc_ram_addr +
               CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
#else
        aiop_img = (void *)aiop_fw_addr;
        mc_copy_image("MC AIOP image",
                      (u64)aiop_img, CONFIG_SYS_LS_MC_AIOP_IMG_MAX_LENGTH,
                      mc_ram_addr + CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET);
#endif
        mc_aiop_applied = 0;

        return 0;
}
#endif

static int wait_for_mc(bool booting_mc, u32 *final_reg_gsr)
{
        u32 reg_gsr;
        u32 mc_fw_boot_status;
        unsigned long timeout_ms = get_mc_boot_timeout_ms();
        struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;

        dmb();
        assert(timeout_ms > 0);
        for (;;) {
                udelay(1000);   /* throttle polling */
                reg_gsr = in_le32(&mc_ccsr_regs->reg_gsr);
                mc_fw_boot_status = (reg_gsr & GSR_FS_MASK);
                if (mc_fw_boot_status & 0x1)
                        break;

                timeout_ms--;
                if (timeout_ms == 0)
                        break;
        }

        if (timeout_ms == 0) {
                printf("ERROR: timeout\n");

                /* TODO: Get an error status from an MC CCSR register */
                return -ETIMEDOUT;
        }

        if (mc_fw_boot_status != 0x1) {
                /*
                 * TODO: Identify critical errors from the GSR register's FS
                 * field and for those errors, set error to -ENODEV or other
                 * appropriate errno, so that the status property is set to
                 * failure in the fsl,dprc device tree node.
                 */
                printf("WARNING: Firmware returned an error (GSR: %#x)\n",
                       reg_gsr);
        } else {
                printf("SUCCESS\n");
        }


        *final_reg_gsr = reg_gsr;
        return 0;
}

int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
{
        int error = 0;
        int portal_id = 0;
        struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
        u64 mc_ram_addr = mc_get_dram_addr();
        u32 reg_gsr;
        u32 reg_mcfbalr;
#ifndef CONFIG_SYS_LS_MC_FW_IN_DDR
        const void *raw_image_addr;
        size_t raw_image_size = 0;
#endif
        struct mc_version mc_ver_info;
        u64 mc_ram_aligned_base_addr;
        u8 mc_ram_num_256mb_blocks;
        size_t mc_ram_size = mc_get_dram_block_size();


        error = calculate_mc_private_ram_params(mc_ram_addr,
                                                mc_ram_size,
                                                &mc_ram_aligned_base_addr,
                                                &mc_ram_num_256mb_blocks);
        if (error != 0)
                goto out;

        /*
         * Management Complex cores should be held at reset out of POR.
         * U-Boot should be the first software to touch MC. To be safe,
         * we reset all cores again by setting GCR1 to 0. It doesn't do
         * anything if they are held at reset. After we setup the firmware
         * we kick off MC by deasserting the reset bit for core 0, and
         * deasserting the reset bits for Command Portal Managers.
         * The stop bits are not touched here. They are used to stop the
         * cores when they are active. Setting stop bits doesn't stop the
         * cores from fetching instructions when they are released from
         * reset.
         */
        out_le32(&mc_ccsr_regs->reg_gcr1, 0);
        dmb();

#ifdef CONFIG_SYS_LS_MC_FW_IN_DDR
        printf("MC firmware is preloaded to %#llx\n", mc_ram_addr);
#else
        error = parse_mc_firmware_fit_image(mc_fw_addr, &raw_image_addr,
                                            &raw_image_size);
        if (error != 0)
                goto out;
        /*
         * Load the MC FW at the beginning of the MC private DRAM block:
         */
        mc_copy_image("MC Firmware",
                      (u64)raw_image_addr, raw_image_size, mc_ram_addr);
#endif
        dump_ram_words("firmware", (void *)mc_ram_addr);

        error = load_mc_dpc(mc_ram_addr, mc_ram_size, mc_dpc_addr);
        if (error != 0)
                goto out;

        debug("mc_ccsr_regs %p\n", mc_ccsr_regs);
        dump_mc_ccsr_regs(mc_ccsr_regs);

        /*
         * Tell MC what is the address range of the DRAM block assigned to it:
         */
        reg_mcfbalr = (u32)mc_ram_aligned_base_addr |
                      (mc_ram_num_256mb_blocks - 1);
        out_le32(&mc_ccsr_regs->reg_mcfbalr, reg_mcfbalr);
        out_le32(&mc_ccsr_regs->reg_mcfbahr,
                 (u32)(mc_ram_aligned_base_addr >> 32));
        out_le32(&mc_ccsr_regs->reg_mcfapr, FSL_BYPASS_AMQ);

        /*
         * Tell the MC that we want delayed DPL deployment.
         */
        out_le32(&mc_ccsr_regs->reg_gsr, 0xDD00);

        printf("\nfsl-mc: Booting Management Complex ... ");

        /*
         * Deassert reset and release MC core 0 to run
         */
        out_le32(&mc_ccsr_regs->reg_gcr1, GCR1_P1_DE_RST | GCR1_M_ALL_DE_RST);
        error = wait_for_mc(true, &reg_gsr);
        if (error != 0)
                goto out;

        /*
         * TODO: need to obtain the portal_id for the root container from the
         * DPL
         */
        portal_id = 0;

        /*
         * Initialize the global default MC portal
         * And check that the MC firmware is responding portal commands:
         */
        root_mc_io = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
        if (!root_mc_io) {
                printf(" No memory: malloc() failed\n");
                return -ENOMEM;
        }

        root_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(portal_id);
        debug("Checking access to MC portal of root DPRC container (portal_id %d, portal physical addr %p)\n",
              portal_id, root_mc_io->mmio_regs);

        error = mc_get_version(root_mc_io, MC_CMD_NO_FLAGS, &mc_ver_info);
        if (error != 0) {
                printf("fsl-mc: ERROR: Firmware version check failed (error: %d)\n",
                       error);
                goto out;
        }

        printf("fsl-mc: Management Complex booted (version: %d.%d.%d, boot status: %#x)\n",
               mc_ver_info.major, mc_ver_info.minor, mc_ver_info.revision,
               reg_gsr & GSR_FS_MASK);

out:
        if (error != 0)
                mc_boot_status = error;
        else
                mc_boot_status = 0;

        return error;
}

int mc_apply_dpl(u64 mc_dpl_addr)
{
        struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
        int error = 0;
        u32 reg_gsr;
        u64 mc_ram_addr = mc_get_dram_addr();
        size_t mc_ram_size = mc_get_dram_block_size();

        error = load_mc_dpl(mc_ram_addr, mc_ram_size, mc_dpl_addr);
        if (error != 0)
                return error;

        /*
         * Tell the MC to deploy the DPL:
         */
        out_le32(&mc_ccsr_regs->reg_gsr, 0x0);
        printf("fsl-mc: Deploying data path layout ... ");
        error = wait_for_mc(false, &reg_gsr);

        if (!error)
                mc_dpl_applied = 0;

        return error;
}

int get_mc_boot_status(void)
{
        return mc_boot_status;
}

#ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
int get_aiop_apply_status(void)
{
        return mc_aiop_applied;
}
#endif

int get_dpl_apply_status(void)
{
        return mc_dpl_applied;
}

/**
 * Return the MC address of private DRAM block.
 */
u64 mc_get_dram_addr(void)
{
        u64 mc_ram_addr;

        /*
         * The MC private DRAM block was already carved at the end of DRAM
         * by board_init_f() using CONFIG_SYS_MEM_TOP_HIDE:
         */
        if (gd->bd->bi_dram[1].start) {
                mc_ram_addr =
                        gd->bd->bi_dram[1].start + gd->bd->bi_dram[1].size;
        } else {
                mc_ram_addr =
                        gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
        }

        return mc_ram_addr;
}

/**
 * Return the actual size of the MC private DRAM block.
 */
unsigned long mc_get_dram_block_size(void)
{
        unsigned long dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;

        char *dram_block_size_env_var = getenv(MC_MEM_SIZE_ENV_VAR);

        if (dram_block_size_env_var) {
                dram_block_size = simple_strtoul(dram_block_size_env_var, NULL,
                                                 10);

                if (dram_block_size < CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE) {
                        printf("fsl-mc: WARNING: Invalid value for \'"
                               MC_MEM_SIZE_ENV_VAR
                               "\' environment variable: %lu\n",
                               dram_block_size);

                        dram_block_size = CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE;
                }
        }

        return dram_block_size;
}

int fsl_mc_ldpaa_init(bd_t *bis)
{
        int i;

        for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++)
                if ((wriop_is_enabled_dpmac(i) == 1) &&
                    (wriop_get_phy_address(i) != -1))
                        ldpaa_eth_init(i, wriop_get_enet_if(i));
        return 0;
}

static int dprc_version_check(struct fsl_mc_io *mc_io, uint16_t handle)
{
        struct dprc_attributes attr;
        int error;

        memset(&attr, 0, sizeof(struct dprc_attributes));
        error = dprc_get_attributes(mc_io, MC_CMD_NO_FLAGS, handle, &attr);
        if (error == 0) {
                if ((attr.version.major != DPRC_VER_MAJOR) ||
                    (attr.version.minor != DPRC_VER_MINOR)) {
                        printf("DPRC version mismatch found %u.%u,",
                               attr.version.major,
                               attr.version.minor);
                        printf("supported version is %u.%u\n",
                               DPRC_VER_MAJOR, DPRC_VER_MINOR);
                }
        }
        return error;
}

static int dpio_init(void)
{
        struct qbman_swp_desc p_des;
        struct dpio_attr attr;
        struct dpio_cfg dpio_cfg;
        int err = 0;

        dflt_dpio = (struct fsl_dpio_obj *)malloc(sizeof(struct fsl_dpio_obj));
        if (!dflt_dpio) {
                printf("No memory: malloc() failed\n");
                err = -ENOMEM;
                goto err_malloc;
        }

        dpio_cfg.channel_mode = DPIO_LOCAL_CHANNEL;
        dpio_cfg.num_priorities = 8;

        err = dpio_create(dflt_mc_io, MC_CMD_NO_FLAGS, &dpio_cfg,
                          &dflt_dpio->dpio_handle);
        if (err < 0) {
                printf("dpio_create() failed: %d\n", err);
                err = -ENODEV;
                goto err_create;
        }

        memset(&attr, 0, sizeof(struct dpio_attr));
        err = dpio_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
                                  dflt_dpio->dpio_handle, &attr);
        if (err < 0) {
                printf("dpio_get_attributes() failed: %d\n", err);
                goto err_get_attr;
        }

        if ((attr.version.major != DPIO_VER_MAJOR) ||
            (attr.version.minor != DPIO_VER_MINOR)) {
                printf("DPIO version mismatch found %u.%u,",
                       attr.version.major, attr.version.minor);
                printf("supported version is %u.%u\n",
                       DPIO_VER_MAJOR, DPIO_VER_MINOR);
        }

        dflt_dpio->dpio_id = attr.id;
#ifdef DEBUG
        printf("Init: DPIO id=0x%d\n", dflt_dpio->dpio_id);
#endif
        err = dpio_enable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
        if (err < 0) {
                printf("dpio_enable() failed %d\n", err);
                goto err_get_enable;
        }
        debug("ce_offset=0x%llx, ci_offset=0x%llx, portalid=%d, prios=%d\n",
              attr.qbman_portal_ce_offset,
              attr.qbman_portal_ci_offset,
              attr.qbman_portal_id,
              attr.num_priorities);

        p_des.cena_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
                                        + attr.qbman_portal_ce_offset);
        p_des.cinh_bar = (void *)(SOC_QBMAN_PORTALS_BASE_ADDR
                                        + attr.qbman_portal_ci_offset);

        dflt_dpio->sw_portal = qbman_swp_init(&p_des);
        if (dflt_dpio->sw_portal == NULL) {
                printf("qbman_swp_init() failed\n");
                goto err_get_swp_init;
        }
        return 0;

err_get_swp_init:
        dpio_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
err_get_enable:
        free(dflt_dpio);
err_get_attr:
        dpio_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
        dpio_destroy(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
err_create:
err_malloc:
        return err;
}

static int dpio_exit(void)
{
        int err;

        err = dpio_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
        if (err < 0) {
                printf("dpio_disable() failed: %d\n", err);
                goto err;
        }

        err = dpio_destroy(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
        if (err < 0) {
                printf("dpio_destroy() failed: %d\n", err);
                goto err;
        }

#ifdef DEBUG
        printf("Exit: DPIO id=0x%d\n", dflt_dpio->dpio_id);
#endif

        if (dflt_dpio)
                free(dflt_dpio);

        return 0;
err:
        return err;
}

static int dprc_init(void)
{
        int err, child_portal_id, container_id;
        struct dprc_cfg cfg;
        uint64_t mc_portal_offset;

        /* Open root container */
        err = dprc_get_container_id(root_mc_io, MC_CMD_NO_FLAGS, &container_id);
        if (err < 0) {
                printf("dprc_get_container_id(): Root failed: %d\n", err);
                goto err_root_container_id;
        }

#ifdef DEBUG
        printf("Root container id = %d\n", container_id);
#endif
        err = dprc_open(root_mc_io, MC_CMD_NO_FLAGS, container_id,
                        &root_dprc_handle);
        if (err < 0) {
                printf("dprc_open(): Root Container failed: %d\n", err);
                goto err_root_open;
        }

        if (!root_dprc_handle) {
                printf("dprc_open(): Root Container Handle is not valid\n");
                goto err_root_open;
        }

        err = dprc_version_check(root_mc_io, root_dprc_handle);
        if (err < 0) {
                printf("dprc_version_check() failed: %d\n", err);
                goto err_root_open;
        }

        memset(&cfg, 0, sizeof(struct dprc_cfg));
        cfg.options = DPRC_CFG_OPT_TOPOLOGY_CHANGES_ALLOWED |
                      DPRC_CFG_OPT_OBJ_CREATE_ALLOWED |
                      DPRC_CFG_OPT_ALLOC_ALLOWED;
        cfg.icid = DPRC_GET_ICID_FROM_POOL;
        cfg.portal_id = DPRC_GET_PORTAL_ID_FROM_POOL;
        err = dprc_create_container(root_mc_io, MC_CMD_NO_FLAGS,
                        root_dprc_handle,
                        &cfg,
                        &child_dprc_id,
                        &mc_portal_offset);
        if (err < 0) {
                printf("dprc_create_container() failed: %d\n", err);
                goto err_create;
        }

        dflt_mc_io = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
        if (!dflt_mc_io) {
                err  = -ENOMEM;
                printf(" No memory: malloc() failed\n");
                goto err_malloc;
        }

        child_portal_id = MC_PORTAL_OFFSET_TO_PORTAL_ID(mc_portal_offset);
        dflt_mc_io->mmio_regs = SOC_MC_PORTAL_ADDR(child_portal_id);
#ifdef DEBUG
        printf("MC portal of child DPRC container: %d, physical addr %p)\n",
               child_dprc_id, dflt_mc_io->mmio_regs);
#endif

        err = dprc_open(dflt_mc_io, MC_CMD_NO_FLAGS, child_dprc_id,
                        &dflt_dprc_handle);
        if (err < 0) {
                printf("dprc_open(): Child container failed: %d\n", err);
                goto err_child_open;
        }

        if (!dflt_dprc_handle) {
                printf("dprc_open(): Child container Handle is not valid\n");
                goto err_child_open;
        }

        return 0;
err_child_open:
        free(dflt_mc_io);
err_malloc:
        dprc_destroy_container(root_mc_io, MC_CMD_NO_FLAGS,
                               root_dprc_handle, child_dprc_id);
err_create:
        dprc_close(root_mc_io, MC_CMD_NO_FLAGS, root_dprc_handle);
err_root_open:
err_root_container_id:
        return err;
}

static int dprc_exit(void)
{
        int err;

        err = dprc_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dprc_handle);
        if (err < 0) {
                printf("dprc_close(): Child failed: %d\n", err);
                goto err;
        }

        err = dprc_destroy_container(root_mc_io, MC_CMD_NO_FLAGS,
                                     root_dprc_handle, child_dprc_id);
        if (err < 0) {
                printf("dprc_destroy_container() failed: %d\n", err);
                goto err;
        }

        err = dprc_close(root_mc_io, MC_CMD_NO_FLAGS, root_dprc_handle);
        if (err < 0) {
                printf("dprc_close(): Root failed: %d\n", err);
                goto err;
        }

        if (dflt_mc_io)
                free(dflt_mc_io);

        if (root_mc_io)
                free(root_mc_io);

        return 0;

err:
        return err;
}

static int dpbp_init(void)
{
        int err;
        struct dpbp_attr dpbp_attr;
        struct dpbp_cfg dpbp_cfg;

        dflt_dpbp = (struct fsl_dpbp_obj *)malloc(sizeof(struct fsl_dpbp_obj));
        if (!dflt_dpbp) {
                printf("No memory: malloc() failed\n");
                err = -ENOMEM;
                goto err_malloc;
        }

        dpbp_cfg.options = 512;

        err = dpbp_create(dflt_mc_io, MC_CMD_NO_FLAGS, &dpbp_cfg,
                          &dflt_dpbp->dpbp_handle);

        if (err < 0) {
                err = -ENODEV;
                printf("dpbp_create() failed: %d\n", err);
                goto err_create;
        }

        memset(&dpbp_attr, 0, sizeof(struct dpbp_attr));
        err = dpbp_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
                                  dflt_dpbp->dpbp_handle,
                                  &dpbp_attr);
        if (err < 0) {
                printf("dpbp_get_attributes() failed: %d\n", err);
                goto err_get_attr;
        }

        if ((dpbp_attr.version.major != DPBP_VER_MAJOR) ||
            (dpbp_attr.version.minor != DPBP_VER_MINOR)) {
                printf("DPBP version mismatch found %u.%u,",
                       dpbp_attr.version.major, dpbp_attr.version.minor);
                printf("supported version is %u.%u\n",
                       DPBP_VER_MAJOR, DPBP_VER_MINOR);
        }

        dflt_dpbp->dpbp_attr.id = dpbp_attr.id;
#ifdef DEBUG
        printf("Init: DPBP id=0x%d\n", dflt_dpbp->dpbp_attr.id);
#endif

        err = dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
        if (err < 0) {
                printf("dpbp_close() failed: %d\n", err);
                goto err_close;
        }

        return 0;

err_close:
        free(dflt_dpbp);
err_get_attr:
        dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
        dpbp_destroy(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
err_create:
err_malloc:
        return err;
}

static int dpbp_exit(void)
{
        int err;

        err = dpbp_open(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_attr.id,
                        &dflt_dpbp->dpbp_handle);
        if (err < 0) {
                printf("dpbp_open() failed: %d\n", err);
                goto err;
        }

        err = dpbp_destroy(dflt_mc_io, MC_CMD_NO_FLAGS,
                           dflt_dpbp->dpbp_handle);
        if (err < 0) {
                printf("dpbp_destroy() failed: %d\n", err);
                goto err;
        }

#ifdef DEBUG
        printf("Exit: DPBP id=0x%d\n", dflt_dpbp->dpbp_attr.id);
#endif

        if (dflt_dpbp)
                free(dflt_dpbp);
        return 0;

err:
        return err;
}

static int dpni_init(void)
{
        int err;
        struct dpni_attr dpni_attr;
        uint8_t ext_cfg_buf[256] = {0};
        struct dpni_extended_cfg dpni_extended_cfg;
        struct dpni_cfg dpni_cfg;

        dflt_dpni = (struct fsl_dpni_obj *)malloc(sizeof(struct fsl_dpni_obj));
        if (!dflt_dpni) {
                printf("No memory: malloc() failed\n");
                err = -ENOMEM;
                goto err_malloc;
        }

        memset(&dpni_extended_cfg, 0, sizeof(dpni_extended_cfg));
        err = dpni_prepare_extended_cfg(&dpni_extended_cfg, &ext_cfg_buf[0]);
        if (err < 0) {
                err = -ENODEV;
                printf("dpni_prepare_extended_cfg() failed: %d\n", err);
                goto err_prepare_extended_cfg;
        }

        memset(&dpni_cfg, 0, sizeof(dpni_cfg));
        dpni_cfg.adv.options = DPNI_OPT_UNICAST_FILTER |
                               DPNI_OPT_MULTICAST_FILTER;

        dpni_cfg.adv.ext_cfg_iova = (uint64_t)&ext_cfg_buf[0];
        err = dpni_create(dflt_mc_io, MC_CMD_NO_FLAGS, &dpni_cfg,
                          &dflt_dpni->dpni_handle);

        if (err < 0) {
                err = -ENODEV;
                printf("dpni_create() failed: %d\n", err);
                goto err_create;
        }

        memset(&dpni_attr, 0, sizeof(struct dpni_attr));
        err = dpni_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
                                  dflt_dpni->dpni_handle,
                                  &dpni_attr);
        if (err < 0) {
                printf("dpni_get_attributes() failed: %d\n", err);
                goto err_get_attr;
        }

        if ((dpni_attr.version.major != DPNI_VER_MAJOR) ||
            (dpni_attr.version.minor != DPNI_VER_MINOR)) {
                printf("DPNI version mismatch found %u.%u,",
                       dpni_attr.version.major, dpni_attr.version.minor);
                printf("supported version is %u.%u\n",
                       DPNI_VER_MAJOR, DPNI_VER_MINOR);
        }

        dflt_dpni->dpni_id = dpni_attr.id;
#ifdef DEBUG
        printf("Init: DPNI id=0x%d\n", dflt_dpni->dpni_id);
#endif

        err = dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
        if (err < 0) {
                printf("dpni_close() failed: %d\n", err);
                goto err_close;
        }

        return 0;

err_close:
err_get_attr:
        dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
        dpni_destroy(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
err_create:
err_prepare_extended_cfg:
        free(dflt_dpni);
err_malloc:
        return err;
}

static int dpni_exit(void)
{
        int err;

        err = dpni_open(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_id,
                        &dflt_dpni->dpni_handle);
        if (err < 0) {
                printf("dpni_open() failed: %d\n", err);
                goto err;
        }

        err = dpni_destroy(dflt_mc_io, MC_CMD_NO_FLAGS,
                           dflt_dpni->dpni_handle);
        if (err < 0) {
                printf("dpni_destroy() failed: %d\n", err);
                goto err;
        }

#ifdef DEBUG
        printf("Exit: DPNI id=0x%d\n", dflt_dpni->dpni_id);
#endif

        if (dflt_dpni)
                free(dflt_dpni);
        return 0;

err:
        return err;
}

static int mc_init_object(void)
{
        int err = 0;

        err = dprc_init();
        if (err < 0) {
                printf("dprc_init() failed: %d\n", err);
                goto err;
        }

        err = dpbp_init();
        if (err < 0) {
                printf("dpbp_init() failed: %d\n", err);
                goto err;
        }

        err = dpio_init();
        if (err < 0) {
                printf("dpio_init() failed: %d\n", err);
                goto err;
        }

        err = dpni_init();
        if (err < 0) {
                printf("dpni_init() failed: %d\n", err);
                goto err;
        }

        return 0;
err:
        return err;
}

int fsl_mc_ldpaa_exit(bd_t *bd)
{
        int err = 0;

        if (bd && get_mc_boot_status() == -1)
                return 0;

        if (bd && !get_mc_boot_status() && get_dpl_apply_status() == -1) {
                printf("ERROR: fsl-mc: DPL is not applied\n");
                err = -ENODEV;
                return err;
        }

        if (bd && !get_mc_boot_status() && !get_dpl_apply_status())
                return err;

        err = dpbp_exit();
        if (err < 0) {
                printf("dpbp_exit() failed: %d\n", err);
                goto err;
        }

        err = dpio_exit();
        if (err < 0) {
                printf("dpio_exit() failed: %d\n", err);
                goto err;
        }

        err = dpni_exit();
        if (err < 0) {
                printf("dpni_exit() failed: %d\n", err);
                goto err;
        }

        err = dprc_exit();
        if (err < 0) {
                printf("dprc_exit() failed: %d\n", err);
                goto err;
        }

        return 0;
err:
        return err;
}

static int do_fsl_mc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
        int err = 0;
        if (argc < 3)
                goto usage;

        switch (argv[1][0]) {
        case 's': {
                        char sub_cmd;
                        u64 mc_fw_addr, mc_dpc_addr;
#ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
                        u64 aiop_fw_addr;
#endif

                        sub_cmd = argv[2][0];
                        switch (sub_cmd) {
                        case 'm':
                                if (argc < 5)
                                        goto usage;

                                if (get_mc_boot_status() == 0) {
                                        printf("fsl-mc: MC is already booted");
                                        printf("\n");
                                        return err;
                                }
                                mc_fw_addr = simple_strtoull(argv[3], NULL, 16);
                                mc_dpc_addr = simple_strtoull(argv[4], NULL,
                                                              16);

                                if (!mc_init(mc_fw_addr, mc_dpc_addr))
                                        err = mc_init_object();
                                break;

#ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET
                        case 'a':
                                if (argc < 4)
                                        goto usage;
                                if (get_aiop_apply_status() == 0) {
                                        printf("fsl-mc: AIOP FW is already");
                                        printf(" applied\n");
                                        return err;
                                }

                                aiop_fw_addr = simple_strtoull(argv[3], NULL,
                                                               16);

                                err = load_mc_aiop_img(aiop_fw_addr);
                                if (!err)
                                        printf("fsl-mc: AIOP FW applied\n");
                                break;
#endif
                        default:
                                printf("Invalid option: %s\n", argv[2]);
                                goto usage;

                                break;
                        }
                }
                break;

        case 'a': {
                        u64 mc_dpl_addr;

                        if (argc < 4)
                                goto usage;

                        if (get_dpl_apply_status() == 0) {
                                printf("fsl-mc: DPL already applied\n");
                                return err;
                        }

                        mc_dpl_addr = simple_strtoull(argv[3], NULL,
                                                              16);

                        if (get_mc_boot_status() != 0) {
                                printf("fsl-mc: Deploying data path layout ..");
                                printf("ERROR (MC is not booted)\n");
                                return -ENODEV;
                        }

                        if (!fsl_mc_ldpaa_exit(NULL))
                                err = mc_apply_dpl(mc_dpl_addr);
                        break;
                }
        default:
                printf("Invalid option: %s\n", argv[1]);
                goto usage;
                break;
        }
        return err;
 usage:
        return CMD_RET_USAGE;
}

U_BOOT_CMD(
        fsl_mc,  CONFIG_SYS_MAXARGS,  1,   do_fsl_mc,
        "DPAA2 command to manage Management Complex (MC)",
        "start mc [FW_addr] [DPC_addr] - Start Management Complex\n"
        "fsl_mc apply DPL [DPL_addr] - Apply DPL file\n"
        "fsl_mc start aiop [FW_addr] - Start AIOP\n"
);