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| author | Bin Meng <bmeng.cn@gmail.com> | 2020-03-09 19:35:29 -0700 |
|---|---|---|
| committer | Andes <uboot@andestech.com> | 2020-03-17 11:29:54 +0800 |
| commit | 1e32715602d3da294eaf4e70542c4be65e77a839 (patch) | |
| tree | 0134a5eabca527ed1633db28da8f70116fd9431b /arch/riscv | |
| parent | f58fc34a2b215a80adcf62c6e90793e23d6f915c (diff) | |
| download | u-boot-1e32715602d3da294eaf4e70542c4be65e77a839.zip u-boot-1e32715602d3da294eaf4e70542c4be65e77a839.tar.gz u-boot-1e32715602d3da294eaf4e70542c4be65e77a839.tar.bz2 | |
riscv: Add SBI v0.2 extension definitions
Few v0.1 SBI calls are being replaced by new SBI calls that follows
v0.2 calling convention.
This patch just defines these new extensions.
This commit is inspired from Linux kernel patch:
https://patchwork.kernel.org/patch/11407359/
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/include/asm/sbi.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index fc8637c..6d3114c 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -22,6 +22,9 @@ enum sbi_ext_id { SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7, SBI_EXT_0_1_SHUTDOWN = 0x8, SBI_EXT_BASE = 0x10, + SBI_EXT_TIME = 0x54494D45, + SBI_EXT_IPI = 0x735049, + SBI_EXT_RFENCE = 0x52464E43, }; enum sbi_ext_base_fid { @@ -34,6 +37,20 @@ enum sbi_ext_base_fid { SBI_EXT_BASE_GET_MIMPID, }; +enum sbi_ext_time_fid { + SBI_EXT_TIME_SET_TIMER = 0, +}; + +enum sbi_ext_ipi_fid { + SBI_EXT_IPI_SEND_IPI = 0, +}; + +enum sbi_ext_rfence_fid { + SBI_EXT_RFENCE_REMOTE_FENCE_I = 0, + SBI_EXT_RFENCE_REMOTE_SFENCE_VMA, + SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID, +}; + #define SBI_SPEC_VERSION_DEFAULT 0x1 #define SBI_SPEC_VERSION_MAJOR_SHIFT 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f |