| /* | |
| * imr.h: Isolated Memory Region API | |
| * | |
| * Copyright(c) 2013 Intel Corporation. | |
| * Copyright(c) 2015 Bryan O'Donoghue <pure.logic@nexus-software.ie> | |
| * | |
| * 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. | |
| */ | |
| #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 */ |