Upgrade Manage Complex (MC) flib API to 0.5.2. Rename directory fsl_mc to fsl-mc. Change the fsl-mc node in Linux device tree from "fsl,dprcr" to "fsl-mc". Print MC version info when appropriate. Signed-off-by: J. German Rivera <German.Rivera@freescale.com> Signed-off-by: Lijun Pan <Lijun.Pan@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>master
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/* Copyright 2014 Freescale Semiconductor Inc.
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <fsl-mc/fsl_mc_sys.h> |
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#include <fsl-mc/fsl_mc_cmd.h> |
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#include <fsl-mc/fsl_dpmng.h> |
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#include "fsl_dpmng_cmd.h" |
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int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info) |
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{ |
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struct mc_command cmd = { 0 }; |
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int err; |
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/* prepare command */ |
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cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION, |
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MC_CMD_PRI_LOW, 0); |
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/* send command to mc*/ |
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err = mc_send_command(mc_io, &cmd); |
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if (err) |
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return err; |
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/* retrieve response parameters */ |
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DPMNG_RSP_GET_VERSION(cmd, mc_ver_info); |
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return 0; |
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} |
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int dpmng_reset_aiop(struct fsl_mc_io *mc_io, int container_id, |
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int aiop_tile_id) |
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{ |
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struct mc_command cmd = { 0 }; |
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/* prepare command */ |
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cmd.header = mc_encode_cmd_header(DPMNG_CMDID_RESET_AIOP, |
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MC_CMD_PRI_LOW, 0); |
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DPMNG_CMD_RESET_AIOP(cmd, container_id, aiop_tile_id); |
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/* send command to mc*/ |
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return mc_send_command(mc_io, &cmd); |
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} |
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int dpmng_load_aiop(struct fsl_mc_io *mc_io, |
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int container_id, |
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int aiop_tile_id, |
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uint64_t img_iova, |
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uint32_t img_size) |
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{ |
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struct mc_command cmd = { 0 }; |
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/* prepare command */ |
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cmd.header = mc_encode_cmd_header(DPMNG_CMDID_LOAD_AIOP, |
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MC_CMD_PRI_LOW, |
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0); |
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DPMNG_CMD_LOAD_AIOP(cmd, container_id, aiop_tile_id, img_size, |
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img_iova); |
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/* send command to mc*/ |
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return mc_send_command(mc_io, &cmd); |
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} |
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int dpmng_run_aiop(struct fsl_mc_io *mc_io, |
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int container_id, |
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int aiop_tile_id, |
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const struct dpmng_aiop_run_cfg *cfg) |
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{ |
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struct mc_command cmd = { 0 }; |
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/* prepare command */ |
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cmd.header = mc_encode_cmd_header(DPMNG_CMDID_RUN_AIOP, |
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MC_CMD_PRI_LOW, |
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0); |
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DPMNG_CMD_RUN_AIOP(cmd, container_id, aiop_tile_id, cfg); |
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/* send command to mc*/ |
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return mc_send_command(mc_io, &cmd); |
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} |
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int dpmng_reset_mc_portal(struct fsl_mc_io *mc_io) |
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{ |
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struct mc_command cmd = { 0 }; |
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/* prepare command */ |
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cmd.header = mc_encode_cmd_header(DPMNG_CMDID_RESET_MC_PORTAL, |
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MC_CMD_PRI_LOW, |
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0); |
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/* send command to mc*/ |
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return mc_send_command(mc_io, &cmd); |
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} |
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/* Copyright 2014 Freescale Semiconductor Inc.
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#ifndef __FSL_DPMNG_CMD_H |
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#define __FSL_DPMNG_CMD_H |
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/* Command IDs */ |
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#define DPMNG_CMDID_GET_VERSION 0x831 |
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#define DPMNG_CMDID_RESET_AIOP 0x832 |
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#define DPMNG_CMDID_LOAD_AIOP 0x833 |
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#define DPMNG_CMDID_RUN_AIOP 0x834 |
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#define DPMNG_CMDID_RESET_MC_PORTAL 0x835 |
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/* cmd, param, offset, width, type, arg_name */ |
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#define DPMNG_RSP_GET_VERSION(cmd, mc_ver_info) \ |
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do { \
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MC_RSP_OP(cmd, 0, 0, 32, uint32_t, mc_ver_info->revision); \
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MC_RSP_OP(cmd, 0, 32, 32, uint32_t, mc_ver_info->major); \
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MC_RSP_OP(cmd, 1, 0, 32, uint32_t, mc_ver_info->minor); \
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} while (0) |
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/* cmd, param, offset, width, type, arg_name */ |
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#define DPMNG_CMD_RESET_AIOP(cmd, container_id, aiop_tile_id) \ |
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do { \
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MC_CMD_OP(cmd, 0, 0, 32, int, aiop_tile_id); \
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MC_CMD_OP(cmd, 0, 32, 32, int, container_id); \
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} while (0) |
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/* cmd, param, offset, width, type, arg_name */ |
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#define DPMNG_CMD_LOAD_AIOP(cmd, container_id, aiop_tile_id, img_size, \ |
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img_iova) \
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do { \
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MC_CMD_OP(cmd, 0, 0, 32, int, aiop_tile_id); \
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MC_CMD_OP(cmd, 0, 32, 32, int, container_id); \
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MC_CMD_OP(cmd, 1, 0, 32, uint32_t, img_size); \
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MC_CMD_OP(cmd, 2, 0, 64, uint64_t, img_iova); \
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} while (0) |
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/* cmd, param, offset, width, type, arg_name */ |
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#define DPMNG_CMD_RUN_AIOP(cmd, container_id, aiop_tile_id, cfg) \ |
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do { \
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MC_CMD_OP(cmd, 0, 0, 32, int, aiop_tile_id); \
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MC_CMD_OP(cmd, 0, 32, 32, int, container_id); \
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MC_CMD_OP(cmd, 1, 0, 32, uint32_t, cfg->cores_mask); \
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MC_CMD_OP(cmd, 2, 0, 64, uint64_t, cfg->options); \
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} while (0) |
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#endif /* __FSL_DPMNG_CMD_H */ |
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/*
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* Freescale Layerscape MC I/O wrapper |
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* |
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* Copyright (C) 2014 Freescale Semiconductor, Inc. |
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* Author: German Rivera <German.Rivera@freescale.com> |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <fsl-mc/fsl_mc_sys.h> |
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#include <fsl-mc/fsl_mc_cmd.h> |
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#include <common.h> |
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#include <errno.h> |
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#include <asm/io.h> |
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#define MC_CMD_HDR_READ_CMDID(_hdr) \ |
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((uint16_t)u64_dec((_hdr), MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S)) |
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/**
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* mc_send_command - Send MC command and wait for response |
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* |
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* @mc_io: Pointer to MC I/O object to be used |
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* @cmd: MC command buffer. On input, it contains the command to send to the MC. |
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* On output, it contains the response from the MC if any. |
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* |
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* Depending on the sharing option specified when creating the MC portal |
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* wrapper, this function will use a spinlock or mutex to ensure exclusive |
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* access to the MC portal from the point when the command is sent until a |
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* response is received from the MC. |
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*/ |
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int mc_send_command(struct fsl_mc_io *mc_io, |
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struct mc_command *cmd) |
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{ |
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enum mc_cmd_status status; |
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int timeout = 2000; |
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mc_write_command(mc_io->mmio_regs, cmd); |
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for ( ; ; ) { |
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status = mc_read_response(mc_io->mmio_regs, cmd); |
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if (status != MC_CMD_STATUS_READY) |
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break; |
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if (--timeout == 0) { |
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printf("Error: Timeout waiting for MC response\n"); |
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return -ETIMEDOUT; |
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} |
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udelay(500); |
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} |
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if (status != MC_CMD_STATUS_OK) { |
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printf("Error: MC command failed (portal: %p, obj handle: %#x, command: %#x, status: %#x)\n", |
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mc_io->mmio_regs, |
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(unsigned int)MC_CMD_HDR_READ_AUTHID(cmd->header), |
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(unsigned int)MC_CMD_HDR_READ_CMDID(cmd->header), |
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(unsigned int)status); |
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return -EIO; |
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} |
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return 0; |
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} |
@ -0,0 +1,121 @@ |
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/* Copyright 2014 Freescale Semiconductor Inc.
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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/*!
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* @file fsl_dpmng.h |
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* @brief Management Complex General API |
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*/ |
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#ifndef __FSL_DPMNG_H |
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#define __FSL_DPMNG_H |
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/*!
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* @Group grp_dpmng Management Complex General API |
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* |
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* @brief Contains general API for the Management Complex firmware |
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* @{ |
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*/ |
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struct fsl_mc_io; |
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/**
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* @brief Management Complex firmware version information |
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*/ |
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#define MC_VER_MAJOR 4 |
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#define MC_VER_MINOR 0 |
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struct mc_version { |
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uint32_t major; |
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/*!< Major version number: incremented on API compatibility changes */ |
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uint32_t minor; |
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/*!< Minor version number: incremented on API additions (that are
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* backward compatible); reset when major version is incremented |
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*/ |
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uint32_t revision; |
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/*!< Internal revision number: incremented on implementation changes
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* and/or bug fixes that have no impact on API |
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*/ |
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}; |
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/**
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* @brief Retrieves the Management Complex firmware version information |
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* |
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* @param[in] mc_io Pointer to opaque I/O object |
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* @param[out] mc_ver_info Pointer to version information structure |
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* |
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* @returns '0' on Success; Error code otherwise. |
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*/ |
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int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info); |
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/**
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* @brief Resets an AIOP tile |
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* |
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* @param[in] mc_io Pointer to opaque I/O object |
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* @param[in] container_id AIOP container ID |
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* @param[in] aiop_tile_id AIOP tile ID to reset |
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* |
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* @returns '0' on Success; Error code otherwise. |
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*/ |
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int dpmng_reset_aiop(struct fsl_mc_io *mc_io, |
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int container_id, |
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int aiop_tile_id); |
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/**
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* @brief Loads an image to AIOP tile |
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* |
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* @param[in] mc_io Pointer to opaque I/O object |
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* @param[in] container_id AIOP container ID |
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* @param[in] aiop_tile_id AIOP tile ID to reset |
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* @param[in] img_iova I/O virtual address of AIOP ELF image |
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* @param[in] img_size Size of AIOP ELF image in memory (in bytes) |
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* |
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* @returns '0' on Success; Error code otherwise. |
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*/ |
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int dpmng_load_aiop(struct fsl_mc_io *mc_io, |
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int container_id, |
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int aiop_tile_id, |
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uint64_t img_iova, |
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uint32_t img_size); |
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/**
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* @brief AIOP run configuration |
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*/ |
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struct dpmng_aiop_run_cfg { |
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uint32_t cores_mask; |
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/*!< Mask of AIOP cores to run (core 0 in most significant bit) */ |
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uint64_t options; |
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/*!< Execution options (currently none defined) */ |
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}; |
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/**
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* @brief Starts AIOP tile execution |
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* |
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* @param[in] mc_io Pointer to MC portal's I/O object |
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* @param[in] container_id AIOP container ID |
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* @param[in] aiop_tile_id AIOP tile ID to reset |
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* @param[in] cfg AIOP run configuration |
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* |
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* @returns '0' on Success; Error code otherwise. |
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*/ |
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int dpmng_run_aiop(struct fsl_mc_io *mc_io, |
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int container_id, |
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int aiop_tile_id, |
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const struct dpmng_aiop_run_cfg *cfg); |
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/**
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* @brief Resets MC portal |
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* |
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* This function closes all object handles (tokens) that are currently |
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* open in the MC portal on which the command is submitted. This allows |
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* cleanup of stale handles that belong to non-functional user processes. |
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* |
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* @param[in] mc_io Pointer to MC portal's I/O object |
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* |
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* @returns '0' on Success; Error code otherwise. |
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*/ |
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int dpmng_reset_mc_portal(struct fsl_mc_io *mc_io); |
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/** @} */ |
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#endif /* __FSL_DPMNG_H */ |
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/* Copyright 2014 Freescale Semiconductor Inc.
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#ifndef __FSL_MC_CMD_H |
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#define __FSL_MC_CMD_H |
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#define MC_CMD_NUM_OF_PARAMS 7 |
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#define MAKE_UMASK64(_width) \ |
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((uint64_t)((_width) < 64 ? ((uint64_t)1 << (_width)) - 1 : -1)) |
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static inline uint64_t u64_enc(int lsoffset, int width, uint64_t val) |
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{ |
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return (uint64_t)(((uint64_t)val & MAKE_UMASK64(width)) << lsoffset); |
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} |
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static inline uint64_t u64_dec(uint64_t val, int lsoffset, int width) |
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{ |
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return (uint64_t)((val >> lsoffset) & MAKE_UMASK64(width)); |
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} |
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struct mc_command { |
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uint64_t header; |
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uint64_t params[MC_CMD_NUM_OF_PARAMS]; |
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}; |
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enum mc_cmd_status { |
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MC_CMD_STATUS_OK = 0x0, /*!< Completed successfully */ |
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MC_CMD_STATUS_READY = 0x1, /*!< Ready to be processed */ |
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MC_CMD_STATUS_AUTH_ERR = 0x3, /*!< Authentication error */ |
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MC_CMD_STATUS_NO_PRIVILEGE = 0x4, /*!< No privilege */ |
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MC_CMD_STATUS_DMA_ERR = 0x5, /*!< DMA or I/O error */ |
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MC_CMD_STATUS_CONFIG_ERR = 0x6, /*!< Configuration error */ |
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MC_CMD_STATUS_TIMEOUT = 0x7, /*!< Operation timed out */ |
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MC_CMD_STATUS_NO_RESOURCE = 0x8, /*!< No resources */ |
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MC_CMD_STATUS_NO_MEMORY = 0x9, /*!< No memory available */ |
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MC_CMD_STATUS_BUSY = 0xA, /*!< Device is busy */ |
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MC_CMD_STATUS_UNSUPPORTED_OP = 0xB, /*!< Unsupported operation */ |
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MC_CMD_STATUS_INVALID_STATE = 0xC /*!< Invalid state */ |
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}; |
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#define MC_CMD_HDR_CMDID_O 52 /* Command ID field offset */ |
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#define MC_CMD_HDR_CMDID_S 12 /* Command ID field size */ |
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#define MC_CMD_HDR_AUTHID_O 38 /* Authentication ID field offset */ |
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#define MC_CMD_HDR_AUTHID_S 10 /* Authentication ID field size */ |
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#define MC_CMD_HDR_STATUS_O 16 /* Status field offset */ |
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#define MC_CMD_HDR_STATUS_S 8 /* Status field size*/ |
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#define MC_CMD_HDR_PRI_O 15 /* Priority field offset */ |
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#define MC_CMD_HDR_PRI_S 1 /* Priority field size */ |
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#define MC_CMD_HDR_READ_STATUS(_hdr) \ |
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((enum mc_cmd_status)u64_dec((_hdr), \
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MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S)) |
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#define MC_CMD_HDR_READ_AUTHID(_hdr) \ |
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((uint16_t)u64_dec((_hdr), MC_CMD_HDR_AUTHID_O, MC_CMD_HDR_AUTHID_S)) |
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#define MC_CMD_PRI_LOW 0 /*!< Low Priority command indication */ |
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#define MC_CMD_PRI_HIGH 1 /*!< High Priority command indication */ |
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#define MC_CMD_OP(_cmd, _param, _offset, _width, _type, _arg) \ |
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((_cmd).params[_param] |= u64_enc((_offset), (_width), _arg)) |
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#define MC_RSP_OP(_cmd, _param, _offset, _width, _type, _arg) \ |
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(_arg = (_type)u64_dec(_cmd.params[_param], (_offset), (_width))) |
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static inline uint64_t mc_encode_cmd_header(uint16_t cmd_id, |
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uint8_t priority, |
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uint16_t auth_id) |
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{ |
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uint64_t hdr; |
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hdr = u64_enc(MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S, cmd_id); |
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hdr |= u64_enc(MC_CMD_HDR_AUTHID_O, MC_CMD_HDR_AUTHID_S, auth_id); |
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hdr |= u64_enc(MC_CMD_HDR_PRI_O, MC_CMD_HDR_PRI_S, priority); |
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hdr |= u64_enc(MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S, |
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MC_CMD_STATUS_READY); |
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return hdr; |
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} |
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/**
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* mc_write_command - writes a command to a Management Complex (MC) portal |
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* |
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* @portal: pointer to an MC portal |
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* @cmd: pointer to a filled command |
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*/ |
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static inline void mc_write_command(struct mc_command __iomem *portal, |
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struct mc_command *cmd) |
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{ |
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int i; |
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/* copy command parameters into the portal */ |
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for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++) |
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writeq(cmd->params[i], &portal->params[i]); |
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/* submit the command by writing the header */ |
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writeq(cmd->header, &portal->header); |
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} |
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/**
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* mc_read_response - reads the response for the last MC command from a |
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* Management Complex (MC) portal |
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* |
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* @portal: pointer to an MC portal |
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* @resp: pointer to command response buffer |
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* |
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* Returns MC_CMD_STATUS_OK on Success; Error code otherwise. |
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*/ |
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static inline enum mc_cmd_status mc_read_response( |
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struct mc_command __iomem *portal, |
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struct mc_command *resp) |
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{ |
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int i; |
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enum mc_cmd_status status; |
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/* Copy command response header from MC portal: */ |
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resp->header = readq(&portal->header); |
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status = MC_CMD_HDR_READ_STATUS(resp->header); |
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if (status != MC_CMD_STATUS_OK) |
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return status; |
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/* Copy command response data from MC portal: */ |
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for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++) |
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resp->params[i] = readq(&portal->params[i]); |
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return status; |
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} |
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int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd); |
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#endif /* __FSL_MC_CMD_H */ |
@ -0,0 +1,26 @@ |
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/*
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* Freescale Layerscape Management Complex (MC) Environment-specific code |
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* |
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* Copyright (C) 2014 Freescale Semiconductor, Inc. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#ifndef _FSL_MC_SYS_H |
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#define _FSL_MC_SYS_H |
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#include <asm/io.h> |
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struct mc_command; |
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/*
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* struct mc_portal_wrapper - MC command portal wrapper object |
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*/ |
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struct fsl_mc_io { |
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struct mc_command __iomem *mmio_regs; |
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}; |
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|
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int mc_send_command(struct fsl_mc_io *mc_io, |
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struct mc_command *cmd); |
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|
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#endif /* _FSL_MC_SYS_H */ |
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Reference in new issue