Files
opensbi/platform/thead/c910/platform.h
Liu Yibin c0849cd731 platform: Add T-head C910 initial support
This commit provides basic support for the Thead/C910 platform.

Signed-off-by: Liu Yibin <yibin_liu@c-sky.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
2020-01-02 10:03:23 +05:30

52 lines
1.1 KiB
C

/*
* SPDX-License-Identifier: BSD-2-Clause
*/
#ifndef _C910_PLATFORM_H_
#define _C910_PLATFORM_H_
#define C910_HART_COUNT 16
#define C910_HART_STACK_SIZE 8192
#define SBI_THEAD_FEATURES \
(SBI_PLATFORM_HAS_PMP | \
SBI_PLATFORM_HAS_SCOUNTEREN | \
SBI_PLATFORM_HAS_MCOUNTEREN | \
SBI_PLATFORM_HAS_MFAULTS_DELEGATION)
#define CSR_MCOR 0x7c2
#define CSR_MHCR 0x7c1
#define CSR_MCCR2 0x7c3
#define CSR_MHINT 0x7c5
#define CSR_MXSTATUS 0x7c0
#define CSR_PLIC_BASE 0xfc1
#define CSR_MRMR 0x7c6
#define CSR_MRVBR 0x7c7
#define SBI_EXT_VENDOR_C910_BOOT_OTHER_CORE 0x09000003
#define C910_PLIC_CLINT_OFFSET 0x04000000 /* 64M */
#define C910_PLIC_DELEG_OFFSET 0x001ffffc
#define C910_PLIC_DELEG_ENABLE 0x1
struct c910_regs_struct {
u64 pmpaddr0;
u64 pmpaddr1;
u64 pmpaddr2;
u64 pmpaddr3;
u64 pmpaddr4;
u64 pmpaddr5;
u64 pmpaddr6;
u64 pmpaddr7;
u64 pmpcfg0;
u64 mcor;
u64 mhcr;
u64 mccr2;
u64 mhint;
u64 mxstatus;
u64 plic_base_addr;
u64 clint_base_addr;
};
#endif /* _C910_PLATFORM_H_ */