diff options
Diffstat (limited to 'chip/mt_scp/rv32i_common/csr.h')
| -rw-r--r-- | chip/mt_scp/rv32i_common/csr.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/chip/mt_scp/rv32i_common/csr.h b/chip/mt_scp/rv32i_common/csr.h deleted file mode 100644 index 7c767d0592..0000000000 --- a/chip/mt_scp/rv32i_common/csr.h +++ /dev/null @@ -1,111 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Control and status register */ - -/* TODO: move to core/riscv-rv32i? */ - -#ifndef __CROS_EC_CSR_H -#define __CROS_EC_CSR_H - -#include "common.h" - -static inline uint32_t read_csr(uint32_t reg) -{ - uint32_t val; - - asm volatile("csrr %0, %1" : "=r"(val) : "i"(reg)); - return val; -} - -static inline void write_csr(uint32_t reg, uint32_t val) -{ - asm volatile ("csrw %0, %1" :: "i"(reg), "r"(val)); -} - -static inline uint32_t set_csr(uint32_t reg, uint32_t bit) -{ - uint32_t val; - - asm volatile ("csrrs %0, %1, %2" : "=r"(val) : "i"(reg), "r"(bit)); - return val; -} - -static inline uint32_t clear_csr(uint32_t reg, uint32_t bit) -{ - uint32_t val; - - asm volatile ("csrrc %0, %1, %2" : "=r"(val) : "i"(reg), "r"(bit)); - return val; -} - -/* VIC */ -#define CSR_VIC_MICAUSE (0x5c0) -#define CSR_VIC_MIEMS (0x5c2) -#define CSR_VIC_MIPEND_G0 (0x5d0) -#define CSR_VIC_MIMASK_G0 (0x5d8) -#define CSR_VIC_MIWAKEUP_G0 (0x5e0) -#define CSR_VIC_MILSEL_G0 (0x5e8) -#define CSR_VIC_MIEMASK_G0 (0x5f0) - -/* centralized control enable */ -#define CSR_MCTREN (0x7c0) -/* I$, D$, ITCM, DTCM, BTB, RAS, VIC, CG, mpu */ -#define CSR_MCTREN_ICACHE BIT(0) -#define CSR_MCTREN_DCACHE BIT(1) -#define CSR_MCTREN_ITCM BIT(2) -#define CSR_MCTREN_DTCM BIT(3) -#define CSR_MCTREN_BTB BIT(4) -#define CSR_MCTREN_RAS BIT(5) -#define CSR_MCTREN_VIC BIT(6) -#define CSR_MCTREN_CG BIT(7) -#define CSR_MCTREN_MPU BIT(8) - -/* MPU */ -#define CSR_MPU_ENTRY_EN (0x9c0) -#define CSR_MPU_LITCM (0x9dc) -#define CSR_MPU_LDTCM (0x9dd) -#define CSR_MPU_HITCM (0x9de) -#define CSR_MPU_HDTCM (0x9df) -#define CSR_MPU_L(n) (0x9e0 + (n)) -#define CSR_MPU_H(n) (0x9f0 + (n)) -/* MPU attributes: set if permitted */ -/* Privilege, machine mode in RISC-V. We don't use the flag because - * we don't separate user / machine mode in EC OS. */ -#define MPU_ATTR_P BIT(5) -/* Readable */ -#define MPU_ATTR_R BIT(6) -/* Writable */ -#define MPU_ATTR_W BIT(7) -/* Cacheable */ -#define MPU_ATTR_C BIT(8) -/* Bufferable */ -#define MPU_ATTR_B BIT(9) - -/* PMU */ -#define CSR_PMU_MPMUCTR (0xbc0) -#define CSR_PMU_MPMUCTR_C BIT(0) -#define CSR_PMU_MPMUCTR_I BIT(1) -#define CSR_PMU_MPMUCTR_H3 BIT(2) -#define CSR_PMU_MPMUCTR_H4 BIT(3) -#define CSR_PMU_MPMUCTR_H5 BIT(4) - -#define CSR_PMU_MCYCLE (0xb00) -#define CSR_PMU_MINSTRET (0xb02) -#define CSR_PMU_MHPMCOUNTER3 (0xb03) -#define CSR_PMU_MHPMCOUNTER4 (0xb04) -#define CSR_PMU_MHPMCOUNTER5 (0xb05) - -#define CSR_PMU_MCYCLEH (0xb80) -#define CSR_PMU_MINSTRETH (0xb82) -#define CSR_PMU_MHPMCOUNTER3H (0xb83) -#define CSR_PMU_MHPMCOUNTER4H (0xb84) -#define CSR_PMU_MHPMCOUNTER5H (0xb85) - -#define CSR_PMU_MHPMEVENT3 (0x323) -#define CSR_PMU_MHPMEVENT4 (0x324) -#define CSR_PMU_MHPMEVENT5 (0x325) - -#endif /* __CROS_EC_CSR_H */ |