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/* SPDX-License-Identifier: BSD-1-Clause */
/*
* Copyright (c) 2013, Atmel Corporation
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*/
#include <io.h>
#include <mach/at91/tz_matrix.h>
#include <mach/at91/matrix.h>
static inline void matrix_write(void __iomem *base,
unsigned int offset,
const unsigned int value)
{
writel(value, base + offset);
}
static inline unsigned int matrix_read(void __iomem *base, unsigned int offset)
{
return readl(base + offset);
}
void at91_matrix_write_protect_enable(void __iomem *matrix_base)
{
matrix_write(matrix_base, MATRIX_WPMR,
MATRIX_WPMR_WPKEY_PASSWD | MATRIX_WPMR_WPEN_ENABLE);
}
void at91_matrix_write_protect_disable(void __iomem *matrix_base)
{
matrix_write(matrix_base, MATRIX_WPMR, MATRIX_WPMR_WPKEY_PASSWD);
}
void at91_matrix_configure_slave_security(void __iomem *matrix_base,
unsigned int slave,
unsigned int srtop_setting,
unsigned int srsplit_setting,
unsigned int ssr_setting)
{
matrix_write(matrix_base, MATRIX_SSR(slave), ssr_setting);
matrix_write(matrix_base, MATRIX_SRTSR(slave), srtop_setting);
matrix_write(matrix_base, MATRIX_SASSR(slave), srsplit_setting);
}
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