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f58fc34a2b
u-boot/arch/riscv/lib
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Bin Meng f58fc34a2b riscv: Add basic support for SBI v0.2 
The SBI v0.2 introduces a base extension which is backward compatible
with v0.1. Implement all helper functions and minimum required SBI
calls from v0.2 for now. All other base extension function will be
added later as per need.

As v0.2 calling convention is backward compatible with v0.1, remove
the v0.1 helper functions and just use v0.2 calling convention.

Add a new Kconfig options CONFIG_SBI for the new SBI v0.2 codes, and
let CONFIG_SBI_IPI depend on it.

This commit is inspired from Linux kernel patch:
https://patchwork.kernel.org/patch/11407363/

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
2020-03-17 11:29:54 +08:00
..
andes_plic.c dm: core: Require users of devres to include the header 2020-02-05 19:33:46 -07:00
andes_plmt.c dm: core: Require users of devres to include the header 2020-02-05 19:33:46 -07:00
asm-offsets.c riscv: Introduce CONFIG_XIP to support booting from flash 2019-05-09 16:46:46 +08:00
boot.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bootm.c common: Move hang() to the same header as panic() 2020-01-17 17:53:40 -05:00
cache.c common: Move some cache and MMU functions out of common.h 2019-12-02 18:23:55 -05:00
crt0_riscv_efi.S efi_loader: use predefined constants in crt0_*_efi.S 2019-07-16 22:17:14 +00:00
elf_riscv32_efi.lds SPDX: Convert single license tags to Linux Kernel style 2018-05-29 14:44:21 +08:00
elf_riscv64_efi.lds SPDX: Convert single license tags to Linux Kernel style 2018-05-29 14:44:21 +08:00
image.c RISC-V: Align boot image header with Linux 2019-10-18 09:04:19 +08:00
interrupts.c riscv: Add option to print registers on exception 2020-02-10 14:51:08 +08:00
Makefile riscv: Add basic support for SBI v0.2 2020-03-17 11:29:54 +08:00
mkimage_fit_opensbi.sh riscv: add a generic FIT generator script 2019-08-26 16:07:42 +08:00
rdtime.c riscv: Implement riscv_get_time() API using rdtime instruction 2018-12-18 09:56:27 +08:00
reloc_riscv_efi.c riscv: Remove unused _relocate arguments 2018-07-19 16:31:37 -04:00
reset.c common: Move hang() to the same header as panic() 2020-01-17 17:53:40 -05:00
sbi_ipi.c riscv: Avoid calling sbi_clear_ipi() 2020-03-17 11:29:40 +08:00
sbi.c riscv: Add basic support for SBI v0.2 2020-03-17 11:29:54 +08:00
setjmp.S riscv: rename CPU_RISCV_32/64 to match architecture names ARCH_RV32I/64I 2018-11-26 13:57:29 +08:00
sifive_clint.c dm: core: Require users of devres to include the header 2020-02-05 19:33:46 -07:00
smp.c riscv: add option to wait for ack from secondary harts in smp functions 2019-12-10 08:23:10 +08:00
spl.c common: Move hang() to the same header as panic() 2020-01-17 17:53:40 -05:00