It was present only to support the sun4, sun4c boxes which
do not have the "compatible" property in the root-node
of the device tree.
Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
---
arch/sparc/kernel/head_32.S | 50 +++++++-----------------------------------
1 files changed, 9 insertions(+), 41 deletions(-)
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S
index 56e32a2..17e00c1 100644
--- a/arch/sparc/kernel/head_32.S
+++ b/arch/sparc/kernel/head_32.S
@@ -26,11 +26,9 @@
#include <asm/pgtsrmmu.h> /* SRMMU_PGDIR_SHIFT */
.data
-/*
- * The following are used with the prom_vector node-ops to figure out
- * the cpu-type
+/* The following are used with the prom_vector node-ops to figure out
+ * the cpu-type
*/
-
.align 4
cputyp:
.word 1
@@ -38,27 +36,12 @@ cputyp:
.align 4
.globl cputypval
cputypval:
- .asciz "sun4c"
+ .asciz "sun4m"
.ascii " "
-cputypvalend:
-cputypvallen = cputypvar - cputypval
-
+/* Tested on SS-5, SS-10 */
.align 4
-/*
- * Sun people can't spell worth damn. "compatability" indeed.
- * At least we *know* we can't spell, and use a spell-checker.
- */
-
-/* Uh, actually Linus it is I who cannot spell. Too much murky
- * Sparc assembly will do this to ya.
- */
cputypvar:
- .asciz "compatability"
-
-/* Tested on SS-5, SS-10. Probably someone at Sun applied a spell-checker. */
- .align 4
-cputypvar_sun4m:
.asciz "compatible"
.align 4
@@ -677,10 +660,10 @@ execute_in_high_mem:
/* Get the machine type via the mysterious romvec node operations. */
- add %g7, 0x1c, %l1
+ add %g7, 0x1c, %l1
ld [%l1], %l0
ld [%l0], %l0
- call %l0
+ call %l0
or %g0, %g0, %o0 ! next_node(0) = first_node
or %o0, %g0, %g6
@@ -688,28 +671,13 @@ execute_in_high_mem:
or %o1, %lo(cputypvar), %o1
sethi %hi(cputypval), %o2 ! information, the string
or %o2, %lo(cputypval), %o2
- ld [%l1], %l0 ! 'compatibility' tells
+ ld [%l1], %l0 ! 'compatible' tells
ld [%l0 + 0xc], %l0 ! that we want 'sun4x' where
- call %l0 ! x is one of '', 'c', 'm',
- nop ! 'd' or 'e'. %o2 holds pointer
+ call %l0 ! x is one of 'm', 'd' or 'e'.
+ nop ! %o2 holds pointer
! to a buf where above string
! will get stored by the prom.
- subcc %o0, %g0, %g0
- bpos got_prop ! Got the property
- nop
-
- or %g6, %g0, %o0
- sethi %hi(cputypvar_sun4m), %o1
- or %o1, %lo(cputypvar_sun4m), %o1
- sethi %hi(cputypval), %o2
- or %o2, %lo(cputypval), %o2
- ld [%l1], %l0
- ld [%l0 + 0xc], %l0
- call %l0
- nop
-
-got_prop:
#ifdef CONFIG_SPARC_LEON
/* no cpu-type check is needed, it is a SPARC-LEON */
--
1.6.0.6
--
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