diff options
| author | Rick Chen <rick@andestech.com> | 2019-04-02 10:56:39 +0300 |
|---|---|---|
| committer | Andes <uboot@andestech.com> | 2019-04-08 04:45:08 +0300 |
| commit | 0d389468e2144f3ba3bdbc566c05c0c05dc14fc6 (patch) | |
| tree | b48b25b552a66db5d7e92dd23bdacf82484ddd41 /arch/riscv/include | |
| parent | d0a8fd3e4d2a5ab19b8f2d27d40dacb4942ba5a4 (diff) | |
| download | u-boot-0d389468e2144f3ba3bdbc566c05c0c05dc14fc6.tar.xz | |
riscv: Add a SYSCON driver for Andestech's PLIC
The Platform-Level Interrupt Controller (PLIC)
block holds memory-mapped claim and pending registers
associated with software interrupt. It is required
for handling IPI.
Signed-off-by: Rick Chen <rick@andestech.com>
Cc: Greentime Hu <greentime@andestech.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/asm/global_data.h | 3 | ||||
| -rw-r--r-- | arch/riscv/include/asm/syscon.h | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/riscv/include/asm/global_data.h b/arch/riscv/include/asm/global_data.h index 80e3165e39..b86791094b 100644 --- a/arch/riscv/include/asm/global_data.h +++ b/arch/riscv/include/asm/global_data.h @@ -18,6 +18,9 @@ struct arch_global_data { #ifdef CONFIG_SIFIVE_CLINT void __iomem *clint; /* clint base address */ #endif +#ifdef CONFIG_ANDES_PLIC + void __iomem *plic; /* plic base address */ +#endif #ifdef CONFIG_SMP struct ipi_data ipi[CONFIG_NR_CPUS]; #endif diff --git a/arch/riscv/include/asm/syscon.h b/arch/riscv/include/asm/syscon.h index d311ee6b45..a086208261 100644 --- a/arch/riscv/include/asm/syscon.h +++ b/arch/riscv/include/asm/syscon.h @@ -8,12 +8,11 @@ /* * System controllers in a RISC-V system - * - * So far only SiFive's Core Local Interruptor (CLINT) is defined. */ enum { RISCV_NONE, RISCV_SYSCON_CLINT, /* Core Local Interruptor (CLINT) */ + RISCV_SYSCON_PLIC, /* Platform Level Interrupt Controller (PLIC) */ }; #endif /* _ASM_SYSCON_H */ |