diff options
| author |   Paul Mackerras <paulus@ozlabs.org> | 2025-01-31 17:28:04 +1100 |
|---|---|---|
| committer |   Madhavan Srinivasan <maddy@linux.ibm.com> | 2025-02-26 21:16:48 +0530 |
| commit | 78099fe1e3b5b72d4627f360b59a3470b1547bad (patch) | |
| tree | ea0d2ccdf3bf26c6b3a958246f50f0665f124a06 | |
| parent | powerpc/microwatt: Select COMMON_CLK in order to get the clock framework (diff) | |
| download | wireguard-linux-78099fe1e3b5b72d4627f360b59a3470b1547bad.tar.xz wireguard-linux-78099fe1e3b5b72d4627f360b59a3470b1547bad.zip | |
powerpc/microwatt: Device-tree updates
Microwatt now implements ISA v3.1 (SFFS compliancy subset), including
prefixed instructions, scv/rfscv, and the FSCR, HFSCR, TAR, and CTRL
registers. The privileged mode of operation is now hypervisor mode
and there is no privileged non-hypervisor mode; the MSR[HV] bit is
forced to 1.
Besides updating the ibm,powerpc-cpu-features property to reflect the
above, this also makes the following changes relating to peripheral
devices:
- Add gpio controller.
- Remove high-speed property from SD controller, for the case where
the interface is connected through 200 ohm protection resisters.
- Put an alias for the ethernet in /chosen.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/Z5xtdGSacrWz7swi@thinks.paulus.ozlabs.org
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/boot/dts/microwatt.dts | 73 |
1 files changed, 62 insertions, 11 deletions
diff --git a/arch/powerpc/boot/dts/microwatt.dts b/arch/powerpc/boot/dts/microwatt.dts index 269e930b3b0b..833d22822189 100644 --- a/arch/powerpc/boot/dts/microwatt.dts +++ b/arch/powerpc/boot/dts/microwatt.dts @@ -1,4 +1,5 @@ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> / { #size-cells = <0x02>; @@ -8,6 +9,7 @@ aliases { serial0 = &UART0; + ethernet = &enet0; }; reserved-memory { @@ -35,40 +37,79 @@ ibm,powerpc-cpu-features { display-name = "Microwatt"; - isa = <3000>; + isa = <3010>; device_type = "cpu-features"; compatible = "ibm,powerpc-cpu-features"; mmu-radix { isa = <3000>; - usable-privilege = <2>; + usable-privilege = <6>; + os-support = <0>; }; little-endian { - isa = <2050>; - usable-privilege = <3>; + isa = <0>; + usable-privilege = <7>; + os-support = <0>; hwcap-bit-nr = <1>; }; cache-inhibited-large-page { - isa = <2040>; - usable-privilege = <2>; + isa = <0>; + usable-privilege = <6>; + os-support = <0>; }; fixed-point-v3 { isa = <3000>; - usable-privilege = <3>; + usable-privilege = <7>; }; no-execute { - isa = <2010>; + isa = <0x00>; usable-privilege = <2>; + os-support = <0>; }; floating-point { + hfscr-bit-nr = <0>; hwcap-bit-nr = <27>; isa = <0>; - usable-privilege = <3>; + usable-privilege = <7>; + hv-support = <1>; + os-support = <0>; + }; + + prefixed-instructions { + hfscr-bit-nr = <13>; + fscr-bit-nr = <13>; + isa = <3010>; + usable-privilege = <7>; + os-support = <1>; + hv-support = <1>; + }; + + tar { + hfscr-bit-nr = <8>; + fscr-bit-nr = <8>; + isa = <2070>; + usable-privilege = <7>; + os-support = <1>; + hv-support = <1>; + hwcap-bit-nr = <58>; + }; + + control-register { + isa = <0>; + usable-privilege = <7>; + }; + + system-call-vectored { + isa = <3000>; + usable-privilege = <7>; + os-support = <1>; + fscr-bit-nr = <12>; + hwcap-bit-nr = <52>; }; }; @@ -138,7 +179,18 @@ interrupts = <0x10 0x1>; }; - ethernet@8020000 { + gpio: gpio@7000 { + device_type = "gpio"; + compatible = "faraday,ftgpio010"; + gpio-controller; + #gpio-cells = <2>; + reg = <0x7000 0x80>; + interrupts = <0x14 1>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + enet0: ethernet@8020000 { compatible = "litex,liteeth"; reg = <0x8021000 0x100 0x8020800 0x100 @@ -160,7 +212,6 @@ reg-names = "phy", "core", "reader", "writer", "irq"; bus-width = <4>; interrupts = <0x13 1>; - cap-sd-highspeed; clocks = <&sys_clk>; }; }; |