u-boot/drivers/net/fsl-mc/mc.c

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/*
* Copyright (C) 2014 Freescale Semiconductor
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <errno.h>
#include <asm/io.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_debug_server.h>
#include <fsl-mc/fsl_dprc.h>
#include <fsl-mc/fsl_dpio.h>
#include <fsl-mc/fsl_qbman_portal.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;
struct fsl_mc_io *dflt_mc_io = NULL;
uint16_t dflt_dprc_handle = 0;
struct fsl_dpbp_obj *dflt_dpbp = NULL;
struct fsl_dpio_obj *dflt_dpio = NULL;
uint16_t dflt_dpio_handle = 0;
#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(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";
/* Check if the image is in NOR flash */
#ifdef CONFIG_SYS_LS_MC_FW_IN_NOR
fit_hdr = (void *)CONFIG_SYS_LS_MC_FW_ADDR;
#else
#error "No CONFIG_SYS_LS_MC_FW_IN_xxx defined"
#endif
/* Check if Image is in FIT format */
format = genimg_get_format(fit_hdr);
if (format != IMAGE_FORMAT_FIT) {
printf("fsl-mc: ERROR: Bad firmware image (not a FIT image)\n");
return -EINVAL;
}
if (!fit_check_format(fit_hdr)) {
printf("fsl-mc: ERROR: 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: ERROR: Bad firmware image (missing subimage)\n");
return -ENOENT;
}
/* Verify MC firmware image */
if (!(fit_image_verify(fit_hdr, node_offset))) {
printf("fsl-mc: ERROR: 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 load_mc_dpc(u64 mc_ram_addr, size_t mc_ram_size)
{
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:
*/
#ifdef CONFIG_SYS_LS_MC_DPC_IN_NOR
dpc_fdt_hdr = (void *)CONFIG_SYS_LS_MC_DPC_ADDR;
#else
#error "No CONFIG_SYS_LS_MC_DPC_IN_xxx defined"
#endif
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("fsl-mc: WARNING: No DPC image found\n");
return 0;
}
dpc_size = fdt_totalsize(dpc_fdt_hdr);
if (dpc_size > CONFIG_SYS_LS_MC_DPC_MAX_LENGTH) {
printf("fsl-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 */
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_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:
*/
#ifdef CONFIG_SYS_LS_MC_DPL_IN_NOR
dpl_fdt_hdr = (void *)CONFIG_SYS_LS_MC_DPL_ADDR;
#else
#error "No CONFIG_SYS_LS_MC_DPL_IN_xxx defined"
#endif
error = fdt_check_header(dpl_fdt_hdr);
if (error != 0) {
printf("fsl-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("fsl-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;
}
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();
debug("Polling mc_ccsr_regs->reg_gsr ...\n");
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) {
if (booting_mc)
printf("fsl-mc: timeout booting management complex firmware\n");
else
printf("fsl-mc: timeout deploying data path layout\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.
*/
if (booting_mc) {
printf("fsl-mc: WARNING: Firmware booted with error (GSR: %#x)\n",
reg_gsr);
} else {
printf("fsl-mc: WARNING: Data path layout deployed with error (GSR: %#x)\n",
reg_gsr);
}
}
*final_reg_gsr = reg_gsr;
return 0;
}
int mc_init(void)
{
int error = 0;
int portal_id = 0;
struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR;
u64 mc_ram_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();
/*
* 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;
}
#ifdef CONFIG_FSL_DEBUG_SERVER
/*
* FIXME: I don't think this is right. See get_dram_size_to_hide()
*/
mc_ram_addr -= debug_server_get_dram_block_size();
#endif
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(&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);
if (error != 0)
goto out;
error = load_mc_dpl(mc_ram_addr, mc_ram_size);
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, MCFAPR_BYPASS_ICID_MASK);
/*
* Tell the MC that we want delayed DPL deployment.
*/
out_le32(&mc_ccsr_regs->reg_gsr, 0xDD00);
printf("\nfsl-mc: Booting Management Complex ...\n");
/*
* 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:
*/
dflt_mc_io = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io));
if (!dflt_mc_io) {
printf(" No memory: malloc() failed\n");
return -ENOMEM;
}
dflt_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, dflt_mc_io->mmio_regs);
error = mc_get_version(dflt_mc_io, &mc_ver_info);
if (error != 0) {
printf("fsl-mc: ERROR: Firmware version check failed (error: %d)\n",
error);
goto out;
}
if (MC_VER_MAJOR != mc_ver_info.major)
printf("fsl-mc: ERROR: Firmware major version mismatch (found: %d, expected: %d)\n",
mc_ver_info.major, MC_VER_MAJOR);
if (MC_VER_MINOR != mc_ver_info.minor)
printf("fsl-mc: WARNING: Firmware minor version mismatch (found: %d, expected: %d)\n",
mc_ver_info.minor, MC_VER_MINOR);
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);
/*
* Tell the MC to deploy the DPL:
*/
out_le32(&mc_ccsr_regs->reg_gsr, 0x0);
printf("\nfsl-mc: Deploying data path layout ...\n");
error = wait_for_mc(false, &reg_gsr);
if (error != 0)
goto out;
out:
if (error != 0)
mc_boot_status = -error;
else
mc_boot_status = 0;
return error;
}
int get_mc_boot_status(void)
{
return mc_boot_status;
}
/**
* 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 dpio_init(struct dprc_obj_desc obj_desc)
{
struct qbman_swp_desc p_des;
struct dpio_attr attr;
int err = 0;
dflt_dpio = (struct fsl_dpio_obj *)malloc(sizeof(struct fsl_dpio_obj));
if (!dflt_dpio) {
printf(" No memory: malloc() failed\n");
return -ENOMEM;
}
dflt_dpio->dpio_id = obj_desc.id;
err = dpio_open(dflt_mc_io, obj_desc.id, &dflt_dpio_handle);
if (err) {
printf("dpio_open() failed\n");
goto err_open;
}
err = dpio_get_attributes(dflt_mc_io, dflt_dpio_handle, &attr);
if (err) {
printf("dpio_get_attributes() failed %d\n", err);
goto err_get_attr;
}
err = dpio_enable(dflt_mc_io, dflt_dpio_handle);
if (err) {
printf("dpio_enable() failed %d\n", err);
goto err_get_enable;
}
debug("ce_paddr=0x%llx, ci_paddr=0x%llx, portalid=%d, prios=%d\n",
attr.qbman_portal_ce_paddr,
attr.qbman_portal_ci_paddr,
attr.qbman_portal_id,
attr.num_priorities);
p_des.cena_bar = (void *)attr.qbman_portal_ce_paddr;
p_des.cinh_bar = (void *)attr.qbman_portal_ci_paddr;
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:
err_get_enable:
dpio_disable(dflt_mc_io, dflt_dpio_handle);
err_get_attr:
dpio_close(dflt_mc_io, dflt_dpio_handle);
err_open:
free(dflt_dpio);
return err;
}
int dpbp_init(struct dprc_obj_desc obj_desc)
{
dflt_dpbp = (struct fsl_dpbp_obj *)malloc(sizeof(struct fsl_dpbp_obj));
if (!dflt_dpbp) {
printf(" No memory: malloc() failed\n");
return -ENOMEM;
}
dflt_dpbp->dpbp_attr.id = obj_desc.id;
return 0;
}
int dprc_init_container_obj(struct dprc_obj_desc obj_desc, uint16_t dprc_handle)
{
int error = 0, state = 0;
struct dprc_endpoint dpni_endpoint, dpmac_endpoint;
if (!strcmp(obj_desc.type, "dpbp")) {
if (!dflt_dpbp) {
error = dpbp_init(obj_desc);
if (error < 0)
printf("dpbp_init failed\n");
}
} else if (!strcmp(obj_desc.type, "dpio")) {
if (!dflt_dpio) {
error = dpio_init(obj_desc);
if (error < 0)
printf("dpio_init failed\n");
}
} else if (!strcmp(obj_desc.type, "dpni")) {
strcpy(dpni_endpoint.type, obj_desc.type);
dpni_endpoint.id = obj_desc.id;
error = dprc_get_connection(dflt_mc_io, dprc_handle,
&dpni_endpoint, &dpmac_endpoint, &state);
if (!strcmp(dpmac_endpoint.type, "dpmac"))
error = ldpaa_eth_init(obj_desc);
if (error < 0)
printf("ldpaa_eth_init failed\n");
}
return error;
}
int dprc_scan_container_obj(uint16_t dprc_handle, char *obj_type, int i)
{
int error = 0;
struct dprc_obj_desc obj_desc;
memset((void *)&obj_desc, 0x00, sizeof(struct dprc_obj_desc));
error = dprc_get_obj(dflt_mc_io, dprc_handle,
i, &obj_desc);
if (error < 0) {
printf("dprc_get_obj(i=%d) failed: %d\n",
i, error);
return error;
}
if (!strcmp(obj_desc.type, obj_type)) {
debug("Discovered object: type %s, id %d, req %s\n",
obj_desc.type, obj_desc.id, obj_type);
error = dprc_init_container_obj(obj_desc, dprc_handle);
if (error < 0) {
printf("dprc_init_container_obj(i=%d) failed: %d\n",
i, error);
return error;
}
}
return error;
}
int fsl_mc_ldpaa_init(bd_t *bis)
{
int i, error = 0;
int dprc_opened = 0, container_id;
int num_child_objects = 0;
error = mc_init();
if (error < 0)
goto error;
error = dprc_get_container_id(dflt_mc_io, &container_id);
if (error < 0) {
printf("dprc_get_container_id() failed: %d\n", error);
goto error;
}
debug("fsl-mc: Container id=0x%x\n", container_id);
error = dprc_open(dflt_mc_io, container_id, &dflt_dprc_handle);
if (error < 0) {
printf("dprc_open() failed: %d\n", error);
goto error;
}
dprc_opened = true;
error = dprc_get_obj_count(dflt_mc_io,
dflt_dprc_handle,
&num_child_objects);
if (error < 0) {
printf("dprc_get_obj_count() failed: %d\n", error);
goto error;
}
debug("Total child in container %d = %d\n", container_id,
num_child_objects);
if (num_child_objects != 0) {
/*
* Discover objects currently in the DPRC container in the MC:
*/
for (i = 0; i < num_child_objects; i++)
error = dprc_scan_container_obj(dflt_dprc_handle,
"dpbp", i);
for (i = 0; i < num_child_objects; i++)
error = dprc_scan_container_obj(dflt_dprc_handle,
"dpio", i);
for (i = 0; i < num_child_objects; i++)
error = dprc_scan_container_obj(dflt_dprc_handle,
"dpni", i);
}
error:
if (dprc_opened)
dprc_close(dflt_mc_io, dflt_dprc_handle);
return error;
}
void fsl_mc_ldpaa_exit(bd_t *bis)
{
int err;
if (get_mc_boot_status() == 0) {
err = dpio_disable(dflt_mc_io, dflt_dpio_handle);
if (err < 0) {
printf("dpio_disable() failed: %d\n", err);
return;
}
err = dpio_reset(dflt_mc_io, dflt_dpio_handle);
if (err < 0) {
printf("dpio_reset() failed: %d\n", err);
return;
}
err = dpio_close(dflt_mc_io, dflt_dpio_handle);
if (err < 0) {
printf("dpio_close() failed: %d\n", err);
return;
}
free(dflt_dpio);
free(dflt_dpbp);
}
if (dflt_mc_io)
free(dflt_mc_io);
}