/* SPDX-License-Identifier: GPL-2.0-only */
/*
* imr . h : Isolated Memory Region API
*
* Copyright ( c ) 2013 Intel Corporation .
* Copyright ( c ) 2015 Bryan O ' Donoghue < pure . logic @ nexus - software . ie >
*/
#ifndef _IMR_H
#define _IMR_H
#include <linux/types.h>
/*
* IMR agent access mask bits
* See section 12 . 7 . 4 . 7 from quark - x1000 - datasheet . pdf for register
* definitions .
*/
#define IMR_ESRAM_FLUSH BIT(31 )
#define IMR_CPU_SNOOP BIT(30 ) /* Applicable only to write */
#define IMR_RMU BIT(29 )
#define IMR_VC1_SAI_ID3 BIT(15 )
#define IMR_VC1_SAI_ID2 BIT(14 )
#define IMR_VC1_SAI_ID1 BIT(13 )
#define IMR_VC1_SAI_ID0 BIT(12 )
#define IMR_VC0_SAI_ID3 BIT(11 )
#define IMR_VC0_SAI_ID2 BIT(10 )
#define IMR_VC0_SAI_ID1 BIT(9 )
#define IMR_VC0_SAI_ID0 BIT(8 )
#define IMR_CPU_0 BIT(1 ) /* SMM mode */
#define IMR_CPU BIT(0 ) /* Non SMM mode */
#define IMR_ACCESS_NONE 0
/*
* Read / Write access - all bits here include some reserved bits
* These are the values firmware uses and are accepted by hardware .
* The kernel defines read / write access - all in the same way as firmware
* in order to have a consistent and crisp definition across firmware ,
* bootloader and kernel .
*/
#define IMR_READ_ACCESS_ALL 0 xBFFFFFFF
#define IMR_WRITE_ACCESS_ALL 0 xFFFFFFFF
/* Number of IMRs provided by Quark X1000 SoC */
#define QUARK_X1000_IMR_MAX 0 x08
#define QUARK_X1000_IMR_REGBASE 0 x40
/* IMR alignment bits - only bits 31:10 are checked for IMR validity */
#define IMR_ALIGN 0 x400
#define IMR_MASK (IMR_ALIGN - 1 )
int imr_add_range(phys_addr_t base, size_t size,
unsigned int rmask, unsigned int wmask);
int imr_remove_range(phys_addr_t base, size_t size);
#endif /* _IMR_H */
Messung V0.5 in Prozent C=84 H=100 G=92
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