/** @file
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Copyright (c) 2016 - 2017, Socionext Inc. All rights reserved.<BR>
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Copyright (c) 2017, Linaro, Ltd. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "ogma_internal.h"
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#include "ogma_basic_access.h"
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/**********************************************************************
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* Function definitions
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**********************************************************************/
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void ogma_set_mac_reg (
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ogma_ctrl_t *ctrl_p,
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ogma_uint32 addr,
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ogma_uint32 value)
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{
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ogma_uint32 cmd;
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ogma_check_clk_supply( ctrl_p, OGMA_CLK_EN_REG_DOM_G);
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/*
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* Argument check is omitted because this function is
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* of private use only.
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*/
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ogma_write_reg( ctrl_p,
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OGMA_REG_ADDR_MAC_DATA,
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value);
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cmd = addr | OGMA_GMAC_CMD_ST_WRITE;
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ogma_write_reg( ctrl_p,
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OGMA_REG_ADDR_MAC_CMD,
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cmd);
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/*
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* Waits until BUSY bit is cleared.
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*/
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while ( ( ogma_read_reg( ctrl_p,
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OGMA_REG_ADDR_MAC_CMD)
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& OGMA_GMAC_CMD_ST_BUSY)
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!= 0) {
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;
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}
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}
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ogma_uint32 ogma_get_mac_reg (
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ogma_ctrl_t *ctrl_p,
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ogma_uint32 addr)
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{
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ogma_uint32 cmd;
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ogma_check_clk_supply( ctrl_p, OGMA_CLK_EN_REG_DOM_G);
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/*
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* Argument check is omitted because this function is
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* of private use only.
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*/
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cmd = addr | OGMA_GMAC_CMD_ST_READ;
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ogma_write_reg( ctrl_p,
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OGMA_REG_ADDR_MAC_CMD,
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cmd);
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/*
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* Waits until BUSY bit is cleared.
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*/
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while ( ( ogma_read_reg( ctrl_p,
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OGMA_REG_ADDR_MAC_CMD)
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& OGMA_GMAC_CMD_ST_BUSY)
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!= 0) {
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;
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}
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return ogma_read_reg( ctrl_p, OGMA_REG_ADDR_MAC_DATA);
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}
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