Commit graph

5 commits

Author SHA1 Message Date
Rick Chen
f94c44e51e riscv: Add Kconfig to support RISC-V
Add Kconfig and makefile for RISC-V
Also modify MAINTAINERS for it.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
Cc: Padmarao Begari <Padmarao.Begari@microsemi.com>
2018-01-12 08:05:12 -05:00
Rick Chen
6020faf62c riscv: nx25: include: Add header files to support RISC-V
Add header files for RISC-V.
Cache, ptregs, data type and other definitions are included.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
2018-01-12 08:05:12 -05:00
Rick Chen
039ed7c572 riscv: nx25: dts: Add AE250 dts to support RISC-V
AE250 is the Soc using NX25 cpu core base on RISC-V arch.
Details please see the doc/README.ae250.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
2018-01-12 08:05:12 -05:00
Rick Chen
8bbb2909cb riscv: nx25: lib: Add relative lib funcs to support RISC-V
Add makefile, interrupts.c and boot.c,... functions
to support RISC-V arch.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
Cc: Padmarao Begari <Padmarao.Begari@microsemi.com>
2018-01-12 08:05:12 -05:00
Rick Chen
e8e39597a3 riscv: cpu: Add nx25 to support RISC-V
Add Andes nx25 cpu core (called AndesStar V5) to support RISC-V arch

Verifications:
1. startup and relocation ok.
2. boot from rom or ram both ok.
2. timer driver ok.
3. uart driver ok
4. mmc driver ok
5. spi driver ok.
6. 32/64 bit both ok.

Detail verification message please see doc/README.ae250.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
Cc: Padmarao Begari <Padmarao.Begari@microsemi.com>
2018-01-12 08:05:12 -05:00