xref: /OK3568_Linux_fs/kernel/arch/mips/sgi-ip22/Platform (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#
2*4882a593Smuzhiyun# SGI IP22 (Indy/Indigo2)
3*4882a593Smuzhiyun#
4*4882a593Smuzhiyun# Set the load address to >= 0xffffffff88069000 if you want to leave space for
5*4882a593Smuzhiyun# symmon, 0xffffffff80002000 for production kernels.  Note that the value must
6*4882a593Smuzhiyun# be aligned to a multiple of the kernel stack size or the handling of the
7*4882a593Smuzhiyun# current variable will break so for 64-bit kernels we have to raise the start
8*4882a593Smuzhiyun# address by 8kb.
9*4882a593Smuzhiyun#
10*4882a593Smuzhiyuncflags-$(CONFIG_SGI_IP22)	+= -I$(srctree)/arch/mips/include/asm/mach-ip22
11*4882a593Smuzhiyunifdef CONFIG_32BIT
12*4882a593Smuzhiyunload-$(CONFIG_SGI_IP22)		+= 0xffffffff88002000
13*4882a593Smuzhiyunendif
14*4882a593Smuzhiyunifdef CONFIG_64BIT
15*4882a593Smuzhiyunload-$(CONFIG_SGI_IP22)		+= 0xffffffff88004000
16*4882a593Smuzhiyunendif
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun#
19*4882a593Smuzhiyun# SGI IP28 (Indigo2 R10k)
20*4882a593Smuzhiyun#
21*4882a593Smuzhiyun# Set the load address to >= 0xa800000020080000 if you want to leave space for
22*4882a593Smuzhiyun# symmon, 0xa800000020004000 for production kernels ?  Note that the value must
23*4882a593Smuzhiyun# be 16kb aligned or the handling of the current variable will break.
24*4882a593Smuzhiyun# Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys
25*4882a593Smuzhiyun#
26*4882a593Smuzhiyunifdef CONFIG_SGI_IP28
27*4882a593Smuzhiyun  ifeq ($(call cc-option-yn,-march=r10000 -mr10k-cache-barrier=store), n)
28*4882a593Smuzhiyun      $(error gcc doesn't support needed option -mr10k-cache-barrier=store)
29*4882a593Smuzhiyun  endif
30*4882a593Smuzhiyunendif
31*4882a593Smuzhiyuncflags-$(CONFIG_SGI_IP28)	+= -mr10k-cache-barrier=store -I$(srctree)/arch/mips/include/asm/mach-ip28
32*4882a593Smuzhiyunload-$(CONFIG_SGI_IP28)		+= 0xa800000020004000
33