diff options
Diffstat (limited to 'drivers/net/fsl-mc/mc.c')
-rw-r--r-- | drivers/net/fsl-mc/mc.c | 702 |
1 files changed, 589 insertions, 113 deletions
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c index 74b0085301..c5c44bcab0 100644 --- a/drivers/net/fsl-mc/mc.c +++ b/drivers/net/fsl-mc/mc.c @@ -3,16 +3,75 @@ * * 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 */ @@ -21,6 +80,7 @@ static int mc_copy_image(const char *title, { 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; } @@ -82,23 +142,254 @@ int parse_mc_firmware_fit_image(const void **raw_image_addr, 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; +} -int mc_init(bd_t *bis) +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 timeout = 200000; + int portal_id = 0; struct mc_ccsr_registers __iomem *mc_ccsr_regs = MC_CCSR_BASE_ADDR; u64 mc_ram_addr; - u64 mc_dpl_offset; u32 reg_gsr; - u32 mc_fw_boot_status; - void *dpl_fdt_hdr; - int dpl_size; + u32 reg_mcfbalr; +#ifndef CONFIG_SYS_LS_MC_FW_IN_DDR const void *raw_image_addr; size_t raw_image_size = 0; - struct fsl_mc_io mc_io; - int portal_id; +#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 @@ -112,6 +403,20 @@ int mc_init(bd_t *bis) 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, @@ -127,6 +432,9 @@ int mc_init(bd_t *bis) 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; @@ -135,83 +443,34 @@ int mc_init(bd_t *bis) */ mc_copy_image("MC Firmware", (u64)raw_image_addr, raw_image_size, mc_ram_addr); - - /* - * 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 + dump_ram_words("firmware", (void *)mc_ram_addr); - error = fdt_check_header(dpl_fdt_hdr); - if (error != 0) { - printf("fsl-mc: ERROR: Bad DPL image (bad header)\n"); - goto out; - } - - 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); - error = -EINVAL; + error = load_mc_dpc(mc_ram_addr, mc_ram_size); + if (error != 0) goto out; - } - /* - * Calculate offset in the MC private DRAM block at which the MC DPL - * blob is to be placed: - */ -#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 - mc_dpl_offset = mc_get_dram_block_size() - - roundup(CONFIG_SYS_LS_MC_DPL_MAX_LENGTH, 4096); - - if ((mc_dpl_offset & 0x3) != 0 || mc_dpl_offset > 0xffffffff) { - printf("%s: Invalid MC DPL offset: %llu\n", - __func__, mc_dpl_offset); - error = -EINVAL; + error = load_mc_dpl(mc_ram_addr, mc_ram_size); + if (error != 0) goto out; - } -#endif - - /* - * Load the MC DPL blob at the far end of the MC private DRAM block: - * - * TODO: Should we place the DPL at a different location to match - * assumptions of MC firmware about its memory layout? - */ - mc_copy_image("MC DPL blob", - (u64)dpl_fdt_hdr, dpl_size, mc_ram_addr + mc_dpl_offset); debug("mc_ccsr_regs %p\n", mc_ccsr_regs); + dump_mc_ccsr_regs(mc_ccsr_regs); /* - * Tell MC where the MC Firmware image was loaded in DDR: + * Tell MC what is the address range of the DRAM block assigned to it: */ - out_le32(&mc_ccsr_regs->reg_mcfbalr, (u32)mc_ram_addr); - out_le32(&mc_ccsr_regs->reg_mcfbahr, (u32)((u64)mc_ram_addr >> 32)); + 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 MC where the DPL blob was loaded in DDR, by indicating - * its offset relative to the beginning of the DDR block - * allocated to the MC firmware. The MC firmware is responsible - * for checking that there is no overlap between the DPL blob - * and the runtime heap and stack of the MC firmware itself. - * - * NOTE: bits [31:2] of this offset need to be stored in bits [29:0] of - * the GSR MC CCSR register. So, this offset is assumed to be 4-byte - * aligned. - * Care must be taken not to write 1s into bits 31 and 30 of the GSR in - * this case as the SoC COP or PIC will be signaled. + * Tell the MC that we want delayed DPL deployment. */ - out_le32(&mc_ccsr_regs->reg_gsr, (u32)(mc_dpl_offset >> 2)); + out_le32(&mc_ccsr_regs->reg_gsr, 0xDD00); printf("\nfsl-mc: Booting Management Complex ...\n"); @@ -219,38 +478,9 @@ int mc_init(bd_t *bis) * 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); - dmb(); - debug("Polling mc_ccsr_regs->reg_gsr ...\n"); - - for (;;) { - 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; - - udelay(1000); /* throttle polling */ - if (timeout-- <= 0) - break; - } - - if (timeout <= 0) { - printf("fsl-mc: timeout booting management complex firmware\n"); - - /* TODO: Get an error status from an MC CCSR register */ - error = -ETIMEDOUT; + error = wait_for_mc(true, ®_gsr); + if (error != 0) goto out; - } - - 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("fsl-mc: WARNING: Firmware booted with error (GSR: %#x)\n", - reg_gsr); - } /* * TODO: need to obtain the portal_id for the root container from the @@ -259,13 +489,20 @@ int mc_init(bd_t *bis) portal_id = 0; /* - * Check that the MC firmware is responding portal commands: + * Initialize the global default MC portal + * And check that the MC firmware is responding portal commands: */ - mc_io.mmio_regs = SOC_MC_PORTAL_ADDR(portal_id); + 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, mc_io.mmio_regs); + portal_id, dflt_mc_io->mmio_regs); - error = mc_get_version(&mc_io, &mc_ver_info); + 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); @@ -282,7 +519,16 @@ int mc_init(bd_t *bis) 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, - mc_fw_boot_status); + 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, ®_gsr); + if (error != 0) + goto out; out: if (error != 0) mc_boot_status = -error; @@ -299,12 +545,242 @@ int get_mc_boot_status(void) /** * Return the actual size of the MC private DRAM block. - * - * NOTE: For now this function always returns the minimum required size, - * However, in the future, the actual size may be obtained from an environment - * variable. */ unsigned long mc_get_dram_block_size(void) { - return CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE; + 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); } |