[参考译文] AM62P-Q1：当 soc 模型从 am62p54更改为 am62p52时、需要对 Processor SDK Linux 进行哪些更改？

我已经从 k3-am62p5.dtsi 中删除了 core2和 core3。

--- a/arch/arm64/boot/dts/ti/A66_emmc_mem1G/k3-am62p5.dtsi
+++ b/arch/arm64/boot/dts/ti/A66_emmc_mem1G/k3-am62p5.dtsi
@@ -24,14 +24,6 @@
 				core1 {
 					cpu = <&cpu1>;
 				};
-
-				core2 {
-					cpu = <&cpu2>;
-				};
-
-				core3 {
-					cpu = <&cpu3>;
-				};
 			};
 		};
 
@@ -66,38 +58,6 @@
 			operating-points-v2 = <&a53_opp_table>;
 			clocks = <&k3_clks 136 0>;
 		};
-
-		cpu2: cpu@2 {
-			compatible = "arm,cortex-a53";
-			reg = <0x002>;
-			device_type = "cpu";
-			enable-method = "psci";
-			i-cache-size = <0x8000>;
-			i-cache-line-size = <64>;
-			i-cache-sets = <256>;
-			d-cache-size = <0x8000>;
-			d-cache-line-size = <64>;
-			d-cache-sets = <128>;
-			next-level-cache = <&l2_0>;
-			operating-points-v2 = <&a53_opp_table>;
-			clocks = <&k3_clks 137 0>;
-		};
-
-		cpu3: cpu@3 {
-			compatible = "arm,cortex-a53";
-			reg = <0x003>;
-			device_type = "cpu";
-			enable-method = "psci";
-			i-cache-size = <0x8000>;
-			i-cache-line-size = <64>;
-			i-cache-sets = <256>;
-			d-cache-size = <0x8000>;
-			d-cache-line-size = <64>;
-			d-cache-sets = <128>;
-			next-level-cache = <&l2_0>;
-			operating-points-v2 = <&a53_opp_table>;
-			clocks = <&k3_clks 138 0>;
-		};
 	};

am62p52打印某些内核错误、而 am62p54未：

Internal error: synchronous external abort: 0000000096000010 [#1] PREEMPT SMP
Modules linked in: rti_wdt(+) sa2ul sha256_generic libsha256 authenc wave5 v4l2_mem2mem mcrc64 max96755r max96724
CPU: 1 PID: 92 Comm: (udev-worker) Not tainted 6.6.32+ #1
Hardware name: Texas Instruments AM62P5 SK (DT)
pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : rti_wdt_probe+0x12c/0x5c0 [rti_wdt]
lr : rti_wdt_probe+0x114/0x5c0 [rti_wdt]
sp : ffff80008116b810
x29: ffff80008116b860 x28: 0000000000000000 x27: 0000000000000000
x26: ffff800080d806a8 x25: ffff0000016435a8 x24: 0000000000000038
x23: ffff000000147800 x22: ffff00000155e690 x21: ffff000000147810
x20: ffff80008116d090 x19: ffff00000155e680 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: ffff80008116dfff
x11: 0000000000002000 x10: ffff00003ffff010 x9 : 0000000000000100
x8 : ffff80008116d000 x7 : ffff00003ffff018 x6 : 00007fff8ceb3000
x5 : 000000000e021000 x4 : ffff000000147a10 x3 : ffff000001643e40
x2 : ffff000001643f00 x1 : ffff00000165f2c0 x0 : ffff80008116d000
Call trace:
 rti_wdt_probe+0x12c/0x5c0 [rti_wdt]
 platform_probe+0x68/0xc4
 really_probe+0x148/0x2b0
 __driver_probe_device+0x78/0x12c
 driver_probe_device+0xd8/0x15c
 __driver_attach+0x90/0x19c
 bus_for_each_dev+0x7c/0xdc
 driver_attach+0x24/0x30
 bus_add_driver+0xe8/0x1f8
 driver_register+0x5c/0x124
 __platform_driver_register+0x28/0x34
 rti_wdt_driver_init+0x20/0x1000 [rti_wdt]
 do_one_initcall+0x80/0x1c8
 do_init_module+0x58/0x1d8
 load_module+0x1c74/0x1d00
 init_module_from_file+0x88/0xcc
 __arm64_sys_finit_module+0x1dc/0x2e4
 invoke_syscall.constprop.0+0x50/0xec
 do_el0_svc+0xa8/0xc4
 el0_svc+0x2c/0x84
 el0t_64_sync_handler+0x120/0x12c
 el0t_64_sync+0x190/0x194
Code: b140041f 540010a8 91024014 a9096bf9 (b9400294) 
---[ end trace 0000000000000000 ]---