mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 21:16:50 +07:00
b886d83c5b
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 of the license extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 315 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Armijn Hemel <armijn@tjaldur.nl> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190531190115.503150771@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* 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 0xBFFFFFFF
|
|
#define IMR_WRITE_ACCESS_ALL 0xFFFFFFFF
|
|
|
|
/* Number of IMRs provided by Quark X1000 SoC */
|
|
#define QUARK_X1000_IMR_MAX 0x08
|
|
#define QUARK_X1000_IMR_REGBASE 0x40
|
|
|
|
/* IMR alignment bits - only bits 31:10 are checked for IMR validity */
|
|
#define IMR_ALIGN 0x400
|
|
#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 */
|