On Tue, 26 Nov 2019 19:57:50 +0800 Du Huanpeng <duhuanpeng@xxxxxxxxxxx> wrote: > Hello, I find there are some macros about loongson's CPU and SoC, > > $ vim barebox/arch/mips/Kconfig > > 174 config CPU_LOONGSON1B > 175 bool "Loongson 1B" > 176 depends on SYS_HAS_CPU_LOONGSON1B > 177 select CPU_LOONGSON1 > 178 help > 179 The Loongson 1B is a 32-bit SoC, which implements the MIPS32 > 180 release 2 instruction set. > > Here I want to list some Chips from this page: > http://www.loongson.cn/product/ > > NAME CPU Core(s) > > The loongson 3, for series/server & desktop > 3A3000/3B3000 GS464E 64bit x4 > 3A2000/3B2000 GS464E 64bit x4 > 3B1500 GS464 64bit x8 > 3A1000 GS464 64bit x4 > > The loongson 2, for series/low power > 2K1000 GS264 64bit x2 > 2F GS464 64bit x1 > 2H GS464 64bit x1 > > The loongson 1, for series/embeded > 1C101 GS132R 32bit ? > 1D GS132 32bit ? > 1C GS232 32bit x1 > 1B GS232 32bit x1 <-- loongson 1b > 1A GS232 32bit x1 > > the CPU name of LOONGSON1B is socalled GS232, shall we > > change CPU_LOONGSON1 to CPU_GS232? > > here is a introduce for GS232 in Chinese: > - - - - > 龙芯 232 核是一款实现 MIPS32 兼容且支持 EJTAG 调试的双发射处理器，通过采用转移 > 预测、寄存器重命名、乱序发射、路预测的指令 CACHE、非阻塞的数据 CACHE、写合并收集 > 等技术来提高流水线的效率。 > - - - - > base on this description, is it compact with MIPS32. > > for loongson's other cores, shall we define some macro: > > > CONFIG_CPU_GS232 > CONFIG_CPU_GS264 > CONFIG_CPU_GS464 The name CPU_LOONGSON1B is used in the linux kernel. Please keep barebox macro name in sync with linux kernel. -- Best regards, Antony Pavlov _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
