diff options
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/dts/ae350-u-boot.dtsi | 52 | ||||
| -rw-r--r-- | arch/riscv/dts/ae350_32.dts | 9 | ||||
| -rw-r--r-- | arch/riscv/dts/ae350_64.dts | 7 | ||||
| -rw-r--r-- | arch/riscv/lib/andes_plic.c | 4 |
4 files changed, 64 insertions, 8 deletions
diff --git a/arch/riscv/dts/ae350-u-boot.dtsi b/arch/riscv/dts/ae350-u-boot.dtsi new file mode 100644 index 00000000000..0d4201cfae9 --- /dev/null +++ b/arch/riscv/dts/ae350-u-boot.dtsi @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) + +/ { + cpus { + u-boot,dm-spl; + CPU0: cpu@0 { + u-boot,dm-spl; + CPU0_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + CPU1: cpu@1 { + u-boot,dm-spl; + CPU1_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + CPU2: cpu@2 { + u-boot,dm-spl; + CPU2_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + CPU3: cpu@3 { + u-boot,dm-spl; + CPU3_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + }; + + memory@0 { + u-boot,dm-spl; + }; + + soc { + u-boot,dm-spl; + + plic1: interrupt-controller@e6400000 { + u-boot,dm-spl; + }; + + plmt0@e6000000 { + u-boot,dm-spl; + }; + }; + + serial0: serial@f0300000 { + u-boot,dm-spl; + }; + +}; diff --git a/arch/riscv/dts/ae350_32.dts b/arch/riscv/dts/ae350_32.dts index a0ab5e9be22..083f676333d 100644 --- a/arch/riscv/dts/ae350_32.dts +++ b/arch/riscv/dts/ae350_32.dts @@ -1,6 +1,9 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) + /dts-v1/; #include "binman.dtsi" +#include "ae350-u-boot.dtsi" / { #address-cells = <1>; @@ -14,7 +17,7 @@ }; chosen { - bootargs = "console=ttyS0,38400n8 debug loglevel=7"; + bootargs = "console=ttyS0,38400n8 debug loglevel=7"; stdout-path = "uart0:38400n8"; }; @@ -133,8 +136,7 @@ plic0: interrupt-controller@e4000000 { compatible = "riscv,plic0"; - #address-cells = <1>; - #interrupt-cells = <1>; + #interrupt-cells = <2>; interrupt-controller; reg = <0xe4000000 0x2000000>; riscv,ndev=<71>; @@ -146,7 +148,6 @@ plic1: interrupt-controller@e6400000 { compatible = "riscv,plic1"; - #address-cells = <1>; #interrupt-cells = <1>; interrupt-controller; reg = <0xe6400000 0x400000>; diff --git a/arch/riscv/dts/ae350_64.dts b/arch/riscv/dts/ae350_64.dts index f654f4809a2..74cff9122d4 100644 --- a/arch/riscv/dts/ae350_64.dts +++ b/arch/riscv/dts/ae350_64.dts @@ -1,6 +1,9 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) + /dts-v1/; #include "binman.dtsi" +#include "ae350-u-boot.dtsi" / { #address-cells = <2>; @@ -14,7 +17,7 @@ }; chosen { - bootargs = "console=ttyS0,38400n8 debug loglevel=7"; + bootargs = "console=ttyS0,38400n8 debug loglevel=7"; stdout-path = "uart0:38400n8"; }; @@ -133,7 +136,6 @@ plic0: interrupt-controller@e4000000 { compatible = "riscv,plic0"; - #address-cells = <2>; #interrupt-cells = <2>; interrupt-controller; reg = <0x0 0xe4000000 0x0 0x2000000>; @@ -146,7 +148,6 @@ plic1: interrupt-controller@e6400000 { compatible = "riscv,plic1"; - #address-cells = <2>; #interrupt-cells = <2>; interrupt-controller; reg = <0x0 0xe6400000 0x0 0x400000>; diff --git a/arch/riscv/lib/andes_plic.c b/arch/riscv/lib/andes_plic.c index 221a5fe324e..5e113ee8c94 100644 --- a/arch/riscv/lib/andes_plic.c +++ b/arch/riscv/lib/andes_plic.c @@ -105,9 +105,11 @@ int riscv_clear_ipi(int hart) int riscv_get_ipi(int hart, int *pending) { + unsigned int ipi = (SEND_IPI_TO_HART(hart) << (8 * gd->arch.boot_hart)); + *pending = readl((void __iomem *)PENDING_REG(gd->arch.plic, gd->arch.boot_hart)); - *pending = !!(*pending & SEND_IPI_TO_HART(hart)); + *pending = !!(*pending & ipi); return 0; } |