On the origial Malta boards the REVISION register is accessible at the 0x1fc00010 address. The contents of this register gives information about the revision of the Malta and Core Boards.
This register is used by the Linux kernel to identify the actual board it is running on. However the register is not emulated properly by Qemu, so put a hardcoded value into the flash to make Linux work.
Signed-off-by: Gabor Juhos juhosg@openwrt.org Cc: Daniel Schwierzeck daniel.schwierzeck@googlemail.com --- Changes since RFC: --- --- arch/mips/cpu/mips32/start.S | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S index 9c1b2f7..7b42716 100644 --- a/arch/mips/cpu/mips32/start.S +++ b/arch/mips/cpu/mips32/start.S @@ -78,6 +78,12 @@ _start: */ .word CONFIG_SYS_XWAY_EBU_BOOTCFG .word 0x00000000 +#elif defined(CONFIG_QEMU_MALTA) + /* + * Linux expects the Board ID here. + */ + .word 0x00000420 # 0x420 (Malta Board with CoreLV) + .word 0x00000000 #else RVECENT(romReserved,2) #endif