xref: /linux/arch/mips/sgi-ip22/Platform (revision b9dbdce11b0c961d5cf22488ee059f2f9d930431)
1*b9dbdce1SRalf Baechle#
2*b9dbdce1SRalf Baechle# SGI IP22 (Indy/Indigo2)
3*b9dbdce1SRalf Baechle#
4*b9dbdce1SRalf Baechle# Set the load address to >= 0xffffffff88069000 if you want to leave space for
5*b9dbdce1SRalf Baechle# symmon, 0xffffffff80002000 for production kernels.  Note that the value must
6*b9dbdce1SRalf Baechle# be aligned to a multiple of the kernel stack size or the handling of the
7*b9dbdce1SRalf Baechle# current variable will break so for 64-bit kernels we have to raise the start
8*b9dbdce1SRalf Baechle# address by 8kb.
9*b9dbdce1SRalf Baechle#
10*b9dbdce1SRalf Baechleplatform-$(CONFIG_SGI_IP22)		+= sgi-ip22/
11*b9dbdce1SRalf Baechlecflags-$(CONFIG_SGI_IP22)	+= -I$(srctree)/arch/mips/include/asm/mach-ip22
12*b9dbdce1SRalf Baechleifdef CONFIG_32BIT
13*b9dbdce1SRalf Baechleload-$(CONFIG_SGI_IP22)		+= 0xffffffff88002000
14*b9dbdce1SRalf Baechleendif
15*b9dbdce1SRalf Baechleifdef CONFIG_64BIT
16*b9dbdce1SRalf Baechleload-$(CONFIG_SGI_IP22)		+= 0xffffffff88004000
17*b9dbdce1SRalf Baechleendif
18*b9dbdce1SRalf Baechle
19*b9dbdce1SRalf Baechle#
20*b9dbdce1SRalf Baechle# SGI IP28 (Indigo2 R10k)
21*b9dbdce1SRalf Baechle#
22*b9dbdce1SRalf Baechle# Set the load address to >= 0xa800000020080000 if you want to leave space for
23*b9dbdce1SRalf Baechle# symmon, 0xa800000020004000 for production kernels ?  Note that the value must
24*b9dbdce1SRalf Baechle# be 16kb aligned or the handling of the current variable will break.
25*b9dbdce1SRalf Baechle# Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys
26*b9dbdce1SRalf Baechle#
27*b9dbdce1SRalf Baechleifdef CONFIG_SGI_IP28
28*b9dbdce1SRalf Baechle  ifeq ($(call cc-option-yn,-mr10k-cache-barrier=store), n)
29*b9dbdce1SRalf Baechle      $(error gcc doesn't support needed option -mr10k-cache-barrier=store)
30*b9dbdce1SRalf Baechle  endif
31*b9dbdce1SRalf Baechleendif
32*b9dbdce1SRalf Baechleplatform-$(CONFIG_SGI_IP28)		+= sgi-ip22/
33*b9dbdce1SRalf Baechlecflags-$(CONFIG_SGI_IP28)	+= -mr10k-cache-barrier=store -I$(srctree)/arch/mips/include/asm/mach-ip28
34*b9dbdce1SRalf Baechleload-$(CONFIG_SGI_IP28)		+= 0xa800000020004000
35