#include <asm/armv8/mmu.h>
#include <asm/io.h>
#include <asm/arch-fsl-lsch3/immap_lsch3.h>
+#include <fsl-mc/fsl_mc.h>
#include "cpu.h"
#include "mp.h"
#include "speed.h"
-#include <fsl_mc.h>
DECLARE_GLOBAL_DATA_PTR;
#include <asm/io.h>
#include <fdt_support.h>
#include <libfdt.h>
-#include <fsl_mc.h>
+#include <fsl-mc/fsl_mc.h>
#include <environment.h>
DECLARE_GLOBAL_DATA_PTR;
{
int offset;
- offset = fdt_path_offset(fdt, "/fsl,dprc@0");
+ offset = fdt_path_offset(fdt, "/fsl-mc");
+
+ /*
+ * TODO: Remove this when backward compatibility
+ * with old DT node (fsl,dprc@0) is no longer needed.
+ */
+ if (offset < 0)
+ offset = fdt_path_offset(fdt, "/fsl,dprc@0");
+
+ if (offset < 0) {
+ printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
+ __func__, offset);
+ return;
+ }
+
if (get_mc_boot_status() == 0)
fdt_status_okay(fdt, offset);
else
obj-$(CONFIG_XILINX_LL_TEMAC) += xilinx_ll_temac.o xilinx_ll_temac_mdio.o \
xilinx_ll_temac_fifo.o xilinx_ll_temac_sdma.o
obj-$(CONFIG_ZYNQ_GEM) += zynq_gem.o
-obj-$(CONFIG_FSL_MC_ENET) += fsl_mc/
+obj-$(CONFIG_FSL_MC_ENET) += fsl-mc/
obj-$(CONFIG_VSC9953) += vsc9953.o
--- /dev/null
+#
+# Copyright 2014 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+# Layerscape MC driver
+obj-y += mc.o \
+ mc_sys.o \
+ dpmng.o
--- /dev/null
+/* Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <fsl-mc/fsl_mc_sys.h>
+#include <fsl-mc/fsl_mc_cmd.h>
+#include <fsl-mc/fsl_dpmng.h>
+#include "fsl_dpmng_cmd.h"
+
+int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info)
+{
+ struct mc_command cmd = { 0 };
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION,
+ MC_CMD_PRI_LOW, 0);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ DPMNG_RSP_GET_VERSION(cmd, mc_ver_info);
+
+ return 0;
+}
+
+int dpmng_reset_aiop(struct fsl_mc_io *mc_io, int container_id,
+ int aiop_tile_id)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPMNG_CMDID_RESET_AIOP,
+ MC_CMD_PRI_LOW, 0);
+ DPMNG_CMD_RESET_AIOP(cmd, container_id, aiop_tile_id);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+int dpmng_load_aiop(struct fsl_mc_io *mc_io,
+ int container_id,
+ int aiop_tile_id,
+ uint64_t img_iova,
+ uint32_t img_size)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPMNG_CMDID_LOAD_AIOP,
+ MC_CMD_PRI_LOW,
+ 0);
+ DPMNG_CMD_LOAD_AIOP(cmd, container_id, aiop_tile_id, img_size,
+ img_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+int dpmng_run_aiop(struct fsl_mc_io *mc_io,
+ int container_id,
+ int aiop_tile_id,
+ const struct dpmng_aiop_run_cfg *cfg)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPMNG_CMDID_RUN_AIOP,
+ MC_CMD_PRI_LOW,
+ 0);
+ DPMNG_CMD_RUN_AIOP(cmd, container_id, aiop_tile_id, cfg);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+int dpmng_reset_mc_portal(struct fsl_mc_io *mc_io)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPMNG_CMDID_RESET_MC_PORTAL,
+ MC_CMD_PRI_LOW,
+ 0);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
--- /dev/null
+/* Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef __FSL_DPMNG_CMD_H
+#define __FSL_DPMNG_CMD_H
+
+/* Command IDs */
+#define DPMNG_CMDID_GET_VERSION 0x831
+#define DPMNG_CMDID_RESET_AIOP 0x832
+#define DPMNG_CMDID_LOAD_AIOP 0x833
+#define DPMNG_CMDID_RUN_AIOP 0x834
+#define DPMNG_CMDID_RESET_MC_PORTAL 0x835
+
+/* cmd, param, offset, width, type, arg_name */
+#define DPMNG_RSP_GET_VERSION(cmd, mc_ver_info) \
+do { \
+ MC_RSP_OP(cmd, 0, 0, 32, uint32_t, mc_ver_info->revision); \
+ MC_RSP_OP(cmd, 0, 32, 32, uint32_t, mc_ver_info->major); \
+ MC_RSP_OP(cmd, 1, 0, 32, uint32_t, mc_ver_info->minor); \
+} while (0)
+
+/* cmd, param, offset, width, type, arg_name */
+#define DPMNG_CMD_RESET_AIOP(cmd, container_id, aiop_tile_id) \
+do { \
+ MC_CMD_OP(cmd, 0, 0, 32, int, aiop_tile_id); \
+ MC_CMD_OP(cmd, 0, 32, 32, int, container_id); \
+} while (0)
+
+/* cmd, param, offset, width, type, arg_name */
+#define DPMNG_CMD_LOAD_AIOP(cmd, container_id, aiop_tile_id, img_size, \
+ img_iova) \
+do { \
+ MC_CMD_OP(cmd, 0, 0, 32, int, aiop_tile_id); \
+ MC_CMD_OP(cmd, 0, 32, 32, int, container_id); \
+ MC_CMD_OP(cmd, 1, 0, 32, uint32_t, img_size); \
+ MC_CMD_OP(cmd, 2, 0, 64, uint64_t, img_iova); \
+} while (0)
+
+/* cmd, param, offset, width, type, arg_name */
+#define DPMNG_CMD_RUN_AIOP(cmd, container_id, aiop_tile_id, cfg) \
+do { \
+ MC_CMD_OP(cmd, 0, 0, 32, int, aiop_tile_id); \
+ MC_CMD_OP(cmd, 0, 32, 32, int, container_id); \
+ MC_CMD_OP(cmd, 1, 0, 32, uint32_t, cfg->cores_mask); \
+ MC_CMD_OP(cmd, 2, 0, 64, uint64_t, cfg->options); \
+} while (0)
+
+#endif /* __FSL_DPMNG_CMD_H */
--- /dev/null
+/*
+ * 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_dpmng.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+static int mc_boot_status;
+
+/**
+ * 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);
+ 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;
+}
+
+int mc_init(bd_t *bis)
+{
+ int error = 0;
+ int timeout = 200000;
+ 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;
+ const void *raw_image_addr;
+ size_t raw_image_size = 0;
+ struct fsl_mc_io mc_io;
+ int portal_id;
+ struct mc_version mc_ver_info;
+
+ /*
+ * 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;
+ }
+
+ /*
+ * 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();
+
+ 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);
+
+ /*
+ * 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");
+ 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;
+ 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;
+ 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);
+
+ /*
+ * Tell MC where the MC Firmware image was loaded in DDR:
+ */
+ out_le32(&mc_ccsr_regs->reg_mcfbalr, (u32)mc_ram_addr);
+ out_le32(&mc_ccsr_regs->reg_mcfbahr, (u32)((u64)mc_ram_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.
+ */
+ out_le32(&mc_ccsr_regs->reg_gsr, (u32)(mc_dpl_offset >> 2));
+
+ 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);
+ 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;
+ 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
+ * DPL
+ */
+ portal_id = 0;
+
+ /*
+ * Check that the MC firmware is responding portal commands:
+ */
+ 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);
+
+ error = mc_get_version(&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,
+ mc_fw_boot_status);
+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.
+ *
+ * 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;
+}
--- /dev/null
+/*
+ * Freescale Layerscape MC I/O wrapper
+ *
+ * Copyright (C) 2014 Freescale Semiconductor, Inc.
+ * Author: German Rivera <German.Rivera@freescale.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <fsl-mc/fsl_mc_sys.h>
+#include <fsl-mc/fsl_mc_cmd.h>
+#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+
+#define MC_CMD_HDR_READ_CMDID(_hdr) \
+ ((uint16_t)u64_dec((_hdr), MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S))
+
+/**
+ * mc_send_command - Send MC command and wait for response
+ *
+ * @mc_io: Pointer to MC I/O object to be used
+ * @cmd: MC command buffer. On input, it contains the command to send to the MC.
+ * On output, it contains the response from the MC if any.
+ *
+ * Depending on the sharing option specified when creating the MC portal
+ * wrapper, this function will use a spinlock or mutex to ensure exclusive
+ * access to the MC portal from the point when the command is sent until a
+ * response is received from the MC.
+ */
+int mc_send_command(struct fsl_mc_io *mc_io,
+ struct mc_command *cmd)
+{
+ enum mc_cmd_status status;
+ int timeout = 2000;
+
+ mc_write_command(mc_io->mmio_regs, cmd);
+
+ for ( ; ; ) {
+ status = mc_read_response(mc_io->mmio_regs, cmd);
+ if (status != MC_CMD_STATUS_READY)
+ break;
+
+ if (--timeout == 0) {
+ printf("Error: Timeout waiting for MC response\n");
+ return -ETIMEDOUT;
+ }
+
+ udelay(500);
+ }
+
+ if (status != MC_CMD_STATUS_OK) {
+ printf("Error: MC command failed (portal: %p, obj handle: %#x, command: %#x, status: %#x)\n",
+ mc_io->mmio_regs,
+ (unsigned int)MC_CMD_HDR_READ_AUTHID(cmd->header),
+ (unsigned int)MC_CMD_HDR_READ_CMDID(cmd->header),
+ (unsigned int)status);
+
+ return -EIO;
+ }
+
+ return 0;
+}
+++ /dev/null
-#
-# Copyright 2014 Freescale Semiconductor, Inc.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-# Layerscape MC driver
-obj-y += mc.o
+++ /dev/null
-/*
- * Copyright (C) 2014 Freescale Semiconductor
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-#include <errno.h>
-#include <asm/io.h>
-#include <fsl_mc.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-static int mc_boot_status;
-
-/**
- * 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);
- 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 if success and 1 if any of the above mentioned
- * 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) {
- debug("Not a FIT image\n");
- return 1;
- }
-
- if (!fit_check_format(fit_hdr)) {
- debug("Bad FIT image format\n");
- return 1;
- }
-
- node_offset = fit_image_get_node(fit_hdr, uname);
-
- if (node_offset < 0) {
- debug("Can not find %s subimage\n", uname);
- return 1;
- }
-
- /* Verify MC firmware image */
- if (!(fit_image_verify(fit_hdr, node_offset))) {
- debug("Bad MC firmware hash");
- return 1;
- }
-
- /* 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;
-}
-
-int mc_init(bd_t *bis)
-{
- int error = 0;
- int timeout = 200000;
- 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 *fdt_hdr;
- int dpl_size;
- const void *raw_image_addr;
- size_t raw_image_size = 0;
-
- BUILD_BUG_ON(CONFIG_SYS_LS_MC_FW_LENGTH % 4 != 0);
-
- /*
- * 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;
- }
-
- /*
- * 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();
-
- 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);
-
- /*
- * 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_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;
- goto out;
- }
-#endif
-
- /* Check if DPL image is in NOR flash */
-#ifdef CONFIG_SYS_LS_MC_DPL_IN_NOR
- fdt_hdr = (void *)CONFIG_SYS_LS_MC_DPL_ADDR;
-#else
-#error "No CONFIG_SYS_LS_MC_DPL_IN_xxx defined"
-#endif
-
- dpl_size = fdt_totalsize(fdt_hdr);
-
- /*
- * Load the MC DPL blob at the far end of the MC private DRAM block:
- */
- mc_copy_image(
- "MC DPL blob",
- (u64)fdt_hdr,
- dpl_size,
- mc_ram_addr + mc_dpl_offset);
-
- debug("mc_ccsr_regs %p\n", mc_ccsr_regs);
-
- /*
- * Tell MC where the MC Firmware image was loaded in DDR:
- */
- out_le32(&mc_ccsr_regs->reg_mcfbalr, (u32)mc_ram_addr);
- out_le32(&mc_ccsr_regs->reg_mcfbahr, (u32)((u64)mc_ram_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.
- */
- out_le32(&mc_ccsr_regs->reg_gsr, (u32)(mc_dpl_offset >> 2));
-
- /*
- * 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("%s: timeout booting management complex firmware\n",
- __func__);
-
- /* TODO: Get an error status from an MC CCSR register */
- error = -ETIMEDOUT;
- goto out;
- }
-
- printf("Management complex booted (boot status: %#x)\n",
- mc_fw_boot_status);
-
- 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.
- */
- }
-
-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.
- *
- * 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;
-}
#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE (512UL * 1024 * 1024)
#define CONFIG_SYS_LS_MC_FW_IN_NOR
#define CONFIG_SYS_LS_MC_FW_ADDR 0x580200000ULL
-/* TODO Actual FW length needs to be determined at runtime from FW header */
-#define CONFIG_SYS_LS_MC_FW_LENGTH (4U * 1024 * 1024)
#define CONFIG_SYS_LS_MC_DPL_IN_NOR
#define CONFIG_SYS_LS_MC_DPL_ADDR 0x5806C0000ULL
/* TODO Actual DPL max length needs to be confirmed with the MC FW team */
-#define CONFIG_SYS_LS_MC_DPL_LENGTH 4096
+#define CONFIG_SYS_LS_MC_DPL_MAX_LENGTH (256 * 1024)
#define CONFIG_SYS_LS_MC_DRAM_DPL_OFFSET 0xe00000
/* Carve the MC private DRAM block from the end of DRAM */
--- /dev/null
+/* Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+/*!
+ * @file fsl_dpmng.h
+ * @brief Management Complex General API
+ */
+
+#ifndef __FSL_DPMNG_H
+#define __FSL_DPMNG_H
+
+/*!
+ * @Group grp_dpmng Management Complex General API
+ *
+ * @brief Contains general API for the Management Complex firmware
+ * @{
+ */
+
+struct fsl_mc_io;
+
+/**
+ * @brief Management Complex firmware version information
+ */
+#define MC_VER_MAJOR 4
+#define MC_VER_MINOR 0
+
+struct mc_version {
+ uint32_t major;
+ /*!< Major version number: incremented on API compatibility changes */
+ uint32_t minor;
+ /*!< Minor version number: incremented on API additions (that are
+ * backward compatible); reset when major version is incremented
+ */
+ uint32_t revision;
+ /*!< Internal revision number: incremented on implementation changes
+ * and/or bug fixes that have no impact on API
+ */
+};
+
+/**
+ * @brief Retrieves the Management Complex firmware version information
+ *
+ * @param[in] mc_io Pointer to opaque I/O object
+ * @param[out] mc_ver_info Pointer to version information structure
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info);
+
+/**
+ * @brief Resets an AIOP tile
+ *
+ * @param[in] mc_io Pointer to opaque I/O object
+ * @param[in] container_id AIOP container ID
+ * @param[in] aiop_tile_id AIOP tile ID to reset
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpmng_reset_aiop(struct fsl_mc_io *mc_io,
+ int container_id,
+ int aiop_tile_id);
+
+/**
+ * @brief Loads an image to AIOP tile
+ *
+ * @param[in] mc_io Pointer to opaque I/O object
+ * @param[in] container_id AIOP container ID
+ * @param[in] aiop_tile_id AIOP tile ID to reset
+ * @param[in] img_iova I/O virtual address of AIOP ELF image
+ * @param[in] img_size Size of AIOP ELF image in memory (in bytes)
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpmng_load_aiop(struct fsl_mc_io *mc_io,
+ int container_id,
+ int aiop_tile_id,
+ uint64_t img_iova,
+ uint32_t img_size);
+
+/**
+ * @brief AIOP run configuration
+ */
+struct dpmng_aiop_run_cfg {
+ uint32_t cores_mask;
+ /*!< Mask of AIOP cores to run (core 0 in most significant bit) */
+ uint64_t options;
+ /*!< Execution options (currently none defined) */
+};
+
+/**
+ * @brief Starts AIOP tile execution
+ *
+ * @param[in] mc_io Pointer to MC portal's I/O object
+ * @param[in] container_id AIOP container ID
+ * @param[in] aiop_tile_id AIOP tile ID to reset
+ * @param[in] cfg AIOP run configuration
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpmng_run_aiop(struct fsl_mc_io *mc_io,
+ int container_id,
+ int aiop_tile_id,
+ const struct dpmng_aiop_run_cfg *cfg);
+
+/**
+ * @brief Resets MC portal
+ *
+ * This function closes all object handles (tokens) that are currently
+ * open in the MC portal on which the command is submitted. This allows
+ * cleanup of stale handles that belong to non-functional user processes.
+ *
+ * @param[in] mc_io Pointer to MC portal's I/O object
+ *
+ * @returns '0' on Success; Error code otherwise.
+ */
+int dpmng_reset_mc_portal(struct fsl_mc_io *mc_io);
+
+/** @} */
+
+#endif /* __FSL_DPMNG_H */
--- /dev/null
+/*
+ * Copyright (C) 2014 Freescale Semiconductor
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __FSL_MC_H__
+#define __FSL_MC_H__
+
+#include <common.h>
+
+#define MC_CCSR_BASE_ADDR \
+ ((struct mc_ccsr_registers __iomem *)0x8340000)
+
+#define BIT(x) (1 << (x))
+#define GCR1_P1_STOP BIT(31)
+#define GCR1_P2_STOP BIT(30)
+#define GCR1_P1_DE_RST BIT(23)
+#define GCR1_P2_DE_RST BIT(22)
+#define GCR1_M1_DE_RST BIT(15)
+#define GCR1_M2_DE_RST BIT(14)
+#define GCR1_M_ALL_DE_RST (GCR1_M1_DE_RST | GCR1_M2_DE_RST)
+#define GSR_FS_MASK 0x3fffffff
+#define MCFAPR_PL_MASK (0x1 << 18)
+#define MCFAPR_BMT_MASK (0x1 << 17)
+#define MCFAPR_BYPASS_ICID_MASK \
+ (MCFAPR_PL_MASK | MCFAPR_BMT_MASK)
+
+#define SOC_MC_PORTALS_BASE_ADDR ((void __iomem *)0x00080C000000)
+#define SOC_MC_PORTAL_STRIDE 0x10000
+
+#define SOC_MC_PORTAL_ADDR(_portal_id) \
+ ((void __iomem *)((uintptr_t)SOC_MC_PORTALS_BASE_ADDR + \
+ (_portal_id) * SOC_MC_PORTAL_STRIDE))
+
+struct mc_ccsr_registers {
+ u32 reg_gcr1;
+ u32 reserved1;
+ u32 reg_gsr;
+ u32 reserved2;
+ u32 reg_sicbalr;
+ u32 reg_sicbahr;
+ u32 reg_sicapr;
+ u32 reserved3;
+ u32 reg_mcfbalr;
+ u32 reg_mcfbahr;
+ u32 reg_mcfapr;
+ u32 reserved4[0x2f1];
+ u32 reg_psr;
+ u32 reserved5;
+ u32 reg_brr[2];
+ u32 reserved6[0x80];
+ u32 reg_error[];
+};
+
+int mc_init(bd_t *bis);
+
+int get_mc_boot_status(void);
+#endif
--- /dev/null
+/* Copyright 2014 Freescale Semiconductor Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef __FSL_MC_CMD_H
+#define __FSL_MC_CMD_H
+
+#define MC_CMD_NUM_OF_PARAMS 7
+
+#define MAKE_UMASK64(_width) \
+ ((uint64_t)((_width) < 64 ? ((uint64_t)1 << (_width)) - 1 : -1))
+
+static inline uint64_t u64_enc(int lsoffset, int width, uint64_t val)
+{
+ return (uint64_t)(((uint64_t)val & MAKE_UMASK64(width)) << lsoffset);
+}
+static inline uint64_t u64_dec(uint64_t val, int lsoffset, int width)
+{
+ return (uint64_t)((val >> lsoffset) & MAKE_UMASK64(width));
+}
+
+struct mc_command {
+ uint64_t header;
+ uint64_t params[MC_CMD_NUM_OF_PARAMS];
+};
+
+enum mc_cmd_status {
+ MC_CMD_STATUS_OK = 0x0, /*!< Completed successfully */
+ MC_CMD_STATUS_READY = 0x1, /*!< Ready to be processed */
+ MC_CMD_STATUS_AUTH_ERR = 0x3, /*!< Authentication error */
+ MC_CMD_STATUS_NO_PRIVILEGE = 0x4, /*!< No privilege */
+ MC_CMD_STATUS_DMA_ERR = 0x5, /*!< DMA or I/O error */
+ MC_CMD_STATUS_CONFIG_ERR = 0x6, /*!< Configuration error */
+ MC_CMD_STATUS_TIMEOUT = 0x7, /*!< Operation timed out */
+ MC_CMD_STATUS_NO_RESOURCE = 0x8, /*!< No resources */
+ MC_CMD_STATUS_NO_MEMORY = 0x9, /*!< No memory available */
+ MC_CMD_STATUS_BUSY = 0xA, /*!< Device is busy */
+ MC_CMD_STATUS_UNSUPPORTED_OP = 0xB, /*!< Unsupported operation */
+ MC_CMD_STATUS_INVALID_STATE = 0xC /*!< Invalid state */
+};
+
+#define MC_CMD_HDR_CMDID_O 52 /* Command ID field offset */
+#define MC_CMD_HDR_CMDID_S 12 /* Command ID field size */
+#define MC_CMD_HDR_AUTHID_O 38 /* Authentication ID field offset */
+#define MC_CMD_HDR_AUTHID_S 10 /* Authentication ID field size */
+#define MC_CMD_HDR_STATUS_O 16 /* Status field offset */
+#define MC_CMD_HDR_STATUS_S 8 /* Status field size*/
+#define MC_CMD_HDR_PRI_O 15 /* Priority field offset */
+#define MC_CMD_HDR_PRI_S 1 /* Priority field size */
+
+#define MC_CMD_HDR_READ_STATUS(_hdr) \
+ ((enum mc_cmd_status)u64_dec((_hdr), \
+ MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S))
+
+#define MC_CMD_HDR_READ_AUTHID(_hdr) \
+ ((uint16_t)u64_dec((_hdr), MC_CMD_HDR_AUTHID_O, MC_CMD_HDR_AUTHID_S))
+
+#define MC_CMD_PRI_LOW 0 /*!< Low Priority command indication */
+#define MC_CMD_PRI_HIGH 1 /*!< High Priority command indication */
+
+#define MC_CMD_OP(_cmd, _param, _offset, _width, _type, _arg) \
+ ((_cmd).params[_param] |= u64_enc((_offset), (_width), _arg))
+
+#define MC_RSP_OP(_cmd, _param, _offset, _width, _type, _arg) \
+ (_arg = (_type)u64_dec(_cmd.params[_param], (_offset), (_width)))
+
+static inline uint64_t mc_encode_cmd_header(uint16_t cmd_id,
+ uint8_t priority,
+ uint16_t auth_id)
+{
+ uint64_t hdr;
+
+ hdr = u64_enc(MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S, cmd_id);
+ hdr |= u64_enc(MC_CMD_HDR_AUTHID_O, MC_CMD_HDR_AUTHID_S, auth_id);
+ hdr |= u64_enc(MC_CMD_HDR_PRI_O, MC_CMD_HDR_PRI_S, priority);
+ hdr |= u64_enc(MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S,
+ MC_CMD_STATUS_READY);
+
+ return hdr;
+}
+
+/**
+ * mc_write_command - writes a command to a Management Complex (MC) portal
+ *
+ * @portal: pointer to an MC portal
+ * @cmd: pointer to a filled command
+ */
+static inline void mc_write_command(struct mc_command __iomem *portal,
+ struct mc_command *cmd)
+{
+ int i;
+
+ /* copy command parameters into the portal */
+ for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++)
+ writeq(cmd->params[i], &portal->params[i]);
+
+ /* submit the command by writing the header */
+ writeq(cmd->header, &portal->header);
+}
+
+/**
+ * mc_read_response - reads the response for the last MC command from a
+ * Management Complex (MC) portal
+ *
+ * @portal: pointer to an MC portal
+ * @resp: pointer to command response buffer
+ *
+ * Returns MC_CMD_STATUS_OK on Success; Error code otherwise.
+ */
+static inline enum mc_cmd_status mc_read_response(
+ struct mc_command __iomem *portal,
+ struct mc_command *resp)
+{
+ int i;
+ enum mc_cmd_status status;
+
+ /* Copy command response header from MC portal: */
+ resp->header = readq(&portal->header);
+ status = MC_CMD_HDR_READ_STATUS(resp->header);
+ if (status != MC_CMD_STATUS_OK)
+ return status;
+
+ /* Copy command response data from MC portal: */
+ for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++)
+ resp->params[i] = readq(&portal->params[i]);
+
+ return status;
+}
+
+int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd);
+
+#endif /* __FSL_MC_CMD_H */
--- /dev/null
+/*
+ * Freescale Layerscape Management Complex (MC) Environment-specific code
+ *
+ * Copyright (C) 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _FSL_MC_SYS_H
+#define _FSL_MC_SYS_H
+
+#include <asm/io.h>
+
+struct mc_command;
+
+/*
+ * struct mc_portal_wrapper - MC command portal wrapper object
+ */
+struct fsl_mc_io {
+ struct mc_command __iomem *mmio_regs;
+};
+
+int mc_send_command(struct fsl_mc_io *mc_io,
+ struct mc_command *cmd);
+
+#endif /* _FSL_MC_SYS_H */
+++ /dev/null
-/*
- * Copyright (C) 2014 Freescale Semiconductor
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifndef __FSL_MC_H__
-#define __FSL_MC_H__
-
-#include <common.h>
-
-#define MC_CCSR_BASE_ADDR \
- ((struct mc_ccsr_registers __iomem *)0x8340000)
-
-#define BIT(x) (1 << (x))
-#define GCR1_P1_STOP BIT(31)
-#define GCR1_P2_STOP BIT(30)
-#define GCR1_P1_DE_RST BIT(23)
-#define GCR1_P2_DE_RST BIT(22)
-#define GCR1_M1_DE_RST BIT(15)
-#define GCR1_M2_DE_RST BIT(14)
-#define GCR1_M_ALL_DE_RST (GCR1_M1_DE_RST | GCR1_M2_DE_RST)
-#define GSR_FS_MASK 0x3fffffff
-#define MCFAPR_PL_MASK (0x1 << 18)
-#define MCFAPR_BMT_MASK (0x1 << 17)
-#define MCFAPR_BYPASS_ICID_MASK \
- (MCFAPR_PL_MASK | MCFAPR_BMT_MASK)
-
-#define SOC_MC_PORTALS_BASE_ADDR ((void __iomem *)0x00080C000000)
-#define SOC_MC_PORTAL_STRIDE 0x10000
-
-#define SOC_MC_PORTAL_ADDR(_portal_id) \
- ((void __iomem *)((uintptr_t)SOC_MC_PORTALS_BASE_ADDR + \
- (_portal_id) * SOC_MC_PORTAL_STRIDE))
-
-struct mc_ccsr_registers {
- u32 reg_gcr1;
- u32 reserved1;
- u32 reg_gsr;
- u32 reserved2;
- u32 reg_sicbalr;
- u32 reg_sicbahr;
- u32 reg_sicapr;
- u32 reserved3;
- u32 reg_mcfbalr;
- u32 reg_mcfbahr;
- u32 reg_mcfapr;
- u32 reserved4[0x2f1];
- u32 reg_psr;
- u32 reserved5;
- u32 reg_brr[2];
- u32 reserved6[0x80];
- u32 reg_error[];
-};
-
-int mc_init(bd_t *bis);
-
-int get_mc_boot_status(void);
-#endif
projects / u-boot / commitdiff