#xscale ixp42x CPU
if { [info exists CHIPNAME] } {
- set _CHIPNAME $CHIPNAME
+ set _CHIPNAME $CHIPNAME
} else {
- set _CHIPNAME ixp42x
+ set _CHIPNAME ixp42x
}
if { [info exists ENDIAN] } {
- set _ENDIAN $ENDIAN
+ set _ENDIAN $ENDIAN
} else {
# this defaults to a bigendian
- set _ENDIAN big
+ set _ENDIAN big
}
-if { [info exists CPUTAPID ] } {
+if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0x19274013
jtag newtap $_CHIPNAME cpu -irlen 7 -ircapture 0x1 -irmask 0x7f -expected-id $_CPUTAPID -expected-id $_CPUTAPID2 -expected-id $_CPUTAPID3 -expected-id $_CPUTAPID4 -expected-id $_CPUTAPID5 -expected-id $_CPUTAPID6
set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME xscale -endian $_ENDIAN -chain-position $_TARGETNAME -variant ixp42x
+target create $_TARGETNAME xscale -endian $_ENDIAN -chain-position $_TARGETNAME
# register constants for IXP42x SDRAM controller
set IXP425_SDRAM_IR_MODE_SET_CAS2_CMD 0x0000
set IXP425_SDRAM_IR_MODE_SET_CAS3_CMD 0x0001
-global IXP42x_SDRAM_CL3
-global IXP42x_SDRAM_CL2
+global IXP42x_SDRAM_CL3
+global IXP42x_SDRAM_CL2
set IXP42x_SDRAM_CL3 0x0008
set IXP42x_SDRAM_CL2 0x0000
-global IXP42x_SDRAM_8MB_2Mx32_1BANK
-global IXP42x_SDRAM_16MB_2Mx32_2BANK
-global IXP42x_SDRAM_16MB_4Mx16_1BANK
-global IXP42x_SDRAM_32MB_4Mx16_2BANK
-global IXP42x_SDRAM_32MB_8Mx16_1BANK
-global IXP42x_SDRAM_64MB_8Mx16_2BANK
-global IXP42x_SDRAM_64MB_16Mx16_1BANK
-global IXP42x_SDRAM_128MB_16Mx16_2BANK
-global IXP42x_SDRAM_128MB_32Mx16_1BANK
-global IXP42x_SDRAM_256MB_32Mx16_2BANK
+global IXP42x_SDRAM_8MB_2Mx32_1BANK
+global IXP42x_SDRAM_16MB_2Mx32_2BANK
+global IXP42x_SDRAM_16MB_4Mx16_1BANK
+global IXP42x_SDRAM_32MB_4Mx16_2BANK
+global IXP42x_SDRAM_32MB_8Mx16_1BANK
+global IXP42x_SDRAM_64MB_8Mx16_2BANK
+global IXP42x_SDRAM_64MB_16Mx16_1BANK
+global IXP42x_SDRAM_128MB_16Mx16_2BANK
+global IXP42x_SDRAM_128MB_32Mx16_1BANK
+global IXP42x_SDRAM_256MB_32Mx16_2BANK
set IXP42x_SDRAM_8MB_2Mx32_1BANK 0x0030
set IXP42x_SDRAM_16MB_2Mx32_2BANK 0x0031
# helper function to init SDRAM on IXP42x.
# SDRAM_CFG: one of IXP42X_SDRAM_xxx
-# REFRESH: refresh counter reload value (integer)
-# CASLAT: 2 or 3
+# REFRESH: refresh counter reload value (integer)
+# CASLAT: 2 or 3
proc ixp42x_init_sdram { SDRAM_CFG REFRESH CASLAT } {
switch $CASLAT {
- 2 {
- set SDRAM_CFG [expr $SDRAM_CFG | $::IXP42x_SDRAM_CL2 ]
- set CASCMD $::IXP425_SDRAM_IR_MODE_SET_CAS2_CMD
+ 2 {
+ set SDRAM_CFG [expr {$SDRAM_CFG | $::IXP42x_SDRAM_CL2} ]
+ set CASCMD $::IXP425_SDRAM_IR_MODE_SET_CAS2_CMD
}
3 {
- set SDRAM_CFG [expr $SDRAM_CFG | $::IXP42x_SDRAM_CL3 ]
- set CASCMD $::IXP425_SDRAM_IR_MODE_SET_CAS3_CMD
+ set SDRAM_CFG [expr {$SDRAM_CFG | $::IXP42x_SDRAM_CL3} ]
+ set CASCMD $::IXP425_SDRAM_IR_MODE_SET_CAS3_CMD
}
default { error [format "unsupported cas latency \"%s\" " $CASLAT] }
}
proc ixp42x_set_bigendian { } {
reg XSCALE_CTRL 0xF8
}
-