nixos-riscv/ox-plic.dts
Rodrigo Arias Mallo 7b9eb7366e Remove unused PMEM regions
Boots until the init, then fails with:

[   42.561840] Freeing unused kernel image (initmem) memory: 2448K
[   42.572360] Run /init as init process
[   42.577400]   with arguments:
[   42.581780]     /init
[   42.584520]   with environment:
[   42.589320]     HOME=/
[   42.592140]     TERM=linux
[   42.637580] init[1]: unhandled signal 4 code 0x1 at 0x0000003f966980d8 in ld-linux-riscv64-lp64d.so.1[3f96683000+23000]
[   42.650580] CPU: 0 PID: 1 Comm: init Not tainted 6.1.62 #1-NixOS
[   42.657720] Hardware name: Barcelona Supercomputing Center - Lagarto Ox (NixOS) (DT)
[   42.666760] epc : 0000003f966980d8 ra : 0000000000000000 sp : 0000003fe5c95db0
[   42.675040]  gp : ffffffff8197ea48 tp : 0000000000000000 t0 : 0000000000000000
[   42.683320]  t1 : 0000000000000000 t2 : 0000000000000000 s0 : 0000000000000000
[   42.691600]  s1 : 0000000000000000 a0 : 0000000000000000 a1 : 0000000000000000
[   42.699880]  a2 : 0000000000000000 a3 : 0000000000000000 a4 : 0000000000000000
[   42.708160]  a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000000000000
[   42.716420]  s2 : 0000000000000000 s3 : 0000000000000000 s4 : 0000000000000000
[   42.724700]  s5 : 0000000000000000 s6 : 0000000000000000 s7 : 0000000000000000
[   42.733380]  s8 : 0000000000000000 s9 : 0000000000000000 s10: 0000000000000000
[   42.741660]  s11: 0000000000000000 t3 : 0000000000000000 t4 : 0000000000000000
[   42.749920]  t5 : 0000000000000000 t6 : 0000000000000000
[   42.756440] status: 0000000200004020 badaddr: 0000000000010513 cause: 0000000000000002
[   42.767620] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004
[   42.775720] CPU: 0 PID: 1 Comm: init Not tainted 6.1.62 #1-NixOS
[   42.782320] Hardware name: Barcelona Supercomputing Center - Lagarto Ox (NixOS) (DT)
[   42.790460] Call Trace:
[   42.793380] [<ffffffff800070c4>] dump_backtrace+0x38/0x48
[   42.799520] [<ffffffff809f063c>] show_stack+0x50/0x68
[   42.805280] [<ffffffff809fd1f8>] dump_stack_lvl+0x60/0x84
[   42.811400] [<ffffffff809fd23c>] dump_stack+0x20/0x30
[   42.817140] [<ffffffff809f0918>] panic+0x160/0x390
[   42.822620] [<ffffffff80020184>] do_exit+0xa70/0xa78
[   42.828260] [<ffffffff800203a4>] do_group_exit+0x44/0xb0
[   42.834240] [<ffffffff80031eec>] get_signal+0x9b4/0xa00
[   42.840140] [<ffffffff80005ca0>] do_work_pending+0x18c/0x610
[   42.846480] [<ffffffff80003880>] resume_userspace_slow+0x10/0x14
[   42.853420] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004 ]---
2024-06-28 15:08:24 +02:00

153 lines
4.4 KiB
Plaintext

/dts-v1/;
/ {
#address-cells = <0x00000002>;
#size-cells = <0x00000002>;
compatible = "riscv,rv64i";
model = "Barcelona Supercomputing Center - Lagarto Ox (NixOS)";
chosen {
bootargs = "earlyprintk ignore_loglevel earlycon=sbi console=hvc0 root=/dev/pmem0p1 ro init=/bin/bash";
};
cpus {
#address-cells = <0x00000001>;
#size-cells = <0x00000000>;
timebase-frequency = <0x0000c350>;
CPU0: cpu@0 {
clock-frequency = <0x02FAF080>;
device_type = "cpu";
reg = <0x00000000>;
status = "okay";
compatible = "riscv";
riscv,isa = "rv64imafd";
mmu-type = "riscv,sv39";
tlb-split;
phandle = <0x00000004>;
L3: interrupt-controller {
#interrupt-cells = <0x00000001>;
interrupt-controller;
compatible = "riscv,cpu-intc";
phandle = <0x00000005>;
};
};
};
/* Memory layout:
*
* [0x0_6000_0000, 0x0_7000_0000) -> DMA pool (256 MiB)
* [0x0_7000_0000, 0x0_8000_0000) -> DMA pool (256 MiB)
* [0x0_8000_0000, 0x1_bff0_0000) -> RAM memory (~5 GiB)
* [0x1_bff0_0000, 0x2_8000_0000) -> PMEM (3 GiB)
*/
memory@80000000 {
device_type = "memory";
reg = <0x00000000 0x80000000 0x00000001 0x3ff00000>;
};
reserved-memory {
#address-cells = <0x00000002>;
#size-cells = <0x00000002>;
ranges;
eth_pool: dma_pool@60000000 {
reg = <0x00000000 0x60000000 0x00000000 0x10000000>;
compatible = "shared-dma-pool";
phandle = <0x00000001>;
};
onic_pool: dma_pool@70000000 {
reg = <0x00000000 0x70000000 0x00000000 0x10000000>;
compatible = "shared-dma-pool";
phandle = <0x00000006>;
};
};
eth0_clk: eth0_clk {
compatible = "fixed-clock";
#clock-cells = <0x00000000>;
clock-frequency = <0x09502f90>;
phandle = <0x00000002>;
};
pmem@1bff00000 {
/* volatile; This property indicates that this region is
* actually backed by non-persistent memory. This lets the OS
* know that it may skip the cache flushes required to ensure
* data is made persistent after a write. */
volatile;
compatible = "pmem-region";
reg = <0x00000001 0xbff00000 0x00000000 0xc0100000>;
};
soc {
#address-cells = <0x00000002>;
#size-cells = <0x00000002>;
compatible = "BSC,Lagarto-ox-soc", "simple-bus";
ranges;
SERIAL: serial@40001000 {
compatible = "ns16550";
reg = <0x0 0x40001000 0x0 0x00000100>;
interrupts = <0>;
/*port-number = <0>;*/
reg-shift = <2>;
clock-frequency = <50000000>;
current-speed = <115200>;
status = "okay";
phandle = <0x00000007>;
};
ethernet0 {
xlnx,rxmem = <0x000005f2>;
carv,mtu = <0x000005dc>;
carv,no-mac;
device_type = "network";
local-mac-address = [02 05 00 01 00 05];
axistream-connected = <0x000000fe>;
compatible = "xlnx,xxv-ethernet-1.0-carv";
memory-region = <&eth_pool>;
};
dma@40400000 {
xlnx,include-dre;
phandle = <0x000000fe>;
#dma-cells = <0x00000001>;
compatible = "xlnx,axi-dma-1.00.a";
clock-names = "s_axi_lite_aclk", "m_axi_mm2s_aclk", "m_axi_s2mm_aclk", "m_axi_sg_aclk";
clocks = <&eth0_clk>, <&eth0_clk>, <&eth0_clk>, <&eth0_clk>;
reg = <0x00000000 0x40400000 0x00000000 0x00400000>;
interrupt-names = "mm2s_introut", "s2mm_introut";
interrupt-parent = <&PLIC0>;
interrupts = <0x00000002 0x00000003>;
xlnx,addrwidth = <0x00000028>;
xlnx,include-sg;
xlnx,sg-length-width = <0x00000017>;
dma-channel@40400000 {
compatible = "xlnx,axi-dma-mm2s-channel";
dma-channels = <0x00000000>;
interrupts = <0x00000002>;
xlnx,datawidth = <0x00000040>;
xlnx,device-id = <0x00000000>;
xlnx,include-dre;
};
dma-channel@40400030 {
compatible = "xlnx,axi-dma-s2mm-channel";
dma-channels = <0x00000001>;
interrupts = <0x00000003>;
xlnx,datawidth = <0x00000040>;
xlnx,device-id = <0x00000000>;
xlnx,include-dre;
};
};
clint@40002000 {
reg-names = "control";
interrupts-extended =
<&CPU0 0x3>, <&CPU0 0x7>,
<&L3 0x3>, <&L3 0x7>,
<&onic_pool 0x3>, <&onic_pool 0x7>,
<&SERIAL 0x3>, <&SERIAL 0x7>;
compatible = "riscv,clint0";
#interrupt-cells = <0x00000001>;
reg = <0x00000000 0x40002000 0x00000000 0x000c0000>;
};
PLIC0: plic@40800000 {
#interrupt-cells = <1>;
compatible = "riscv,plic0";
interrupt-controller;
interrupts-extended = <&L3 3 &L3 7>;
reg = < 0x00000000 0x40800000 0x00000000 0x00400000>;
riscv,ndev = <0x00000003>;
riscv,max-priority = <0x00000007>;
phandle = <0x00000003>;
};
};
};