diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/mach-ath79/include/mach/pbl_macros.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/mips/mach-ath79/include/mach/pbl_macros.h b/arch/mips/mach-ath79/include/mach/pbl_macros.h index c00dd28f5a..810f49d860 100644 --- a/arch/mips/mach-ath79/include/mach/pbl_macros.h +++ b/arch/mips/mach-ath79/include/mach/pbl_macros.h @@ -179,4 +179,48 @@ | AR933X_GPIO_FUNC_RSRV15, GPIO_FUNC .endm +.macro hornet_mips24k_cp0_setup + .set push + .set noreorder + + /* + * Clearing CP0 registers - This is generally required for the MIPS-24k + * core used by Atheros. + */ + mtc0 zero, CP0_INDEX + mtc0 zero, CP0_ENTRYLO0 + mtc0 zero, CP0_ENTRYLO1 + mtc0 zero, CP0_CONTEXT + mtc0 zero, CP0_PAGEMASK + mtc0 zero, CP0_WIRED + mtc0 zero, CP0_INFO + mtc0 zero, CP0_COUNT + mtc0 zero, CP0_ENTRYHI + mtc0 zero, CP0_COMPARE + + li t0, ST0_CU0 | ST0_ERL + mtc0 t0, CP0_STATUS + + mtc0 zero, CP0_CAUSE + mtc0 zero, CP0_EPC + + li t0, CONF_CM_UNCACHED + mtc0 t0, CP0_CONFIG + + mtc0 zero, CP0_LLADDR + mtc0 zero, CP0_WATCHLO + mtc0 zero, CP0_WATCHHI + mtc0 zero, CP0_XCONTEXT + mtc0 zero, CP0_FRAMEMASK + mtc0 zero, CP0_DIAGNOSTIC + mtc0 zero, CP0_DEBUG + mtc0 zero, CP0_DEPC + mtc0 zero, CP0_PERFORMANCE + mtc0 zero, CP0_ECC + mtc0 zero, CP0_CACHEERR + mtc0 zero, CP0_TAGLO + + .set pop +.endm + #endif /* __ASM_MACH_ATH79_PBL_MACROS_H */ |