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/*-
* Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* NETLOGIC_BSD
* $FreeBSD: release/9.1.0/sys/mips/nlm/hal/cpucontrol.h 225394 2011-09-05 10:45:29Z jchandra $
*/
#ifndef __NLM_HAL_CPUCONTROL_H__
#define __NLM_HAL_CPUCONTROL_H__
#define CPU_BLOCKID_IFU 0
#define CPU_BLOCKID_ICU 1
#define CPU_BLOCKID_IEU 2
#define CPU_BLOCKID_LSU 3
#define CPU_BLOCKID_MMU 4
#define CPU_BLOCKID_PRF 5
#define CPU_BLOCKID_SCH 7
#define CPU_BLOCKID_SCU 8
#define CPU_BLOCKID_FPU 9
#define CPU_BLOCKID_MAP 10
#define LSU_DEFEATURE 0x304
#define LSU_CERRLOG_REGID 0x09
#define SCHED_DEFEATURE 0x700
/* Offsets of interest from the 'MAP' Block */
#define MAP_THREADMODE 0x00
#define MAP_EXT_EBASE_ENABLE 0x04
#define MAP_CCDI_CONFIG 0x08
#define MAP_THRD0_CCDI_STATUS 0x0c
#define MAP_THRD1_CCDI_STATUS 0x10
#define MAP_THRD2_CCDI_STATUS 0x14
#define MAP_THRD3_CCDI_STATUS 0x18
#define MAP_THRD0_DEBUG_MODE 0x1c
#define MAP_THRD1_DEBUG_MODE 0x20
#define MAP_THRD2_DEBUG_MODE 0x24
#define MAP_THRD3_DEBUG_MODE 0x28
#define MAP_MISC_STATE 0x60
#define MAP_DEBUG_READ_CTL 0x64
#define MAP_DEBUG_READ_REG0 0x68
#define MAP_DEBUG_READ_REG1 0x6c
#define MMU_SETUP 0x400
#define MMU_LFSRSEED 0x401
#define MMU_HPW_NUM_PAGE_LVL 0x410
#define MMU_PGWKR_PGDBASE 0x411
#define MMU_PGWKR_PGDSHFT 0x412
#define MMU_PGWKR_PGDMASK 0x413
#define MMU_PGWKR_PUDSHFT 0x414
#define MMU_PGWKR_PUDMASK 0x415
#define MMU_PGWKR_PMDSHFT 0x416
#define MMU_PGWKR_PMDMASK 0x417
#define MMU_PGWKR_PTESHFT 0x418
#define MMU_PGWKR_PTEMASK 0x419
#if !defined(LOCORE) && !defined(__ASSEMBLY__)
#if defined(__mips_n64) || defined(__mips_n32)
static __inline uint64_t
nlm_mfcr(uint32_t reg)
{
uint64_t res;
__asm__ __volatile__(
".set push\n\t"
".set noreorder\n\t"
"move $9, %1\n\t"
".word 0x71280018\n\t" /* mfcr $8, $9 */
"move %0, $8\n\t"
".set pop\n"
: "=r" (res) : "r"(reg)
: "$8", "$9"
);
return (res);
}
static __inline void
nlm_mtcr(uint32_t reg, uint64_t value)
{
__asm__ __volatile__(
".set push\n\t"
".set noreorder\n\t"
"move $8, %0\n"
"move $9, %1\n"
".word 0x71280019\n" /* mtcr $8, $9 */
".set pop\n"
:
: "r" (value), "r" (reg)
: "$8", "$9"
);
}
#else /* !(defined(__mips_n64) || defined(__mips_n32)) */
static __inline__ uint64_t
nlm_mfcr(uint32_t reg)
{
uint32_t hi, lo;
__asm__ __volatile__ (
".set push\n"
".set mips64\n"
"move $8, %2\n"
".word 0x71090018\n"
"nop \n"
"dsra32 %0, $9, 0\n"
"sll %1, $9, 0\n"
".set pop\n"
: "=r"(hi), "=r"(lo)
: "r"(reg) : "$8", "$9");
return (((uint64_t)hi) << 32) | lo;
}
static __inline__ void
nlm_mtcr(uint32_t reg, uint64_t val)
{
uint32_t hi, lo;
hi = val >> 32;
lo = val & 0xffffffff;
__asm__ __volatile__ (
".set push\n"
".set mips64\n"
"move $9, %0\n"
"dsll32 $9, %1, 0\n"
"dsll32 $8, %0, 0\n"
"dsrl32 $9, $9, 0\n"
"or $9, $9, $8\n"
"move $8, %2\n"
".word 0x71090019\n"
"nop \n"
".set pop\n"
: :"r"(hi), "r"(lo), "r"(reg)
: "$8", "$9");
}
#endif /* (defined(__mips_n64) || defined(__mips_n32)) */
/* hashindex_en = 1 to enable hash mode, hashindex_en=0 to disable
* global_mode = 1 to enable global mode, global_mode=0 to disable
* clk_gating = 0 to enable clock gating, clk_gating=1 to disable
*/
static __inline__ void nlm_mmu_setup(int hashindex_en, int global_mode,
int clk_gating)
{
uint32_t mmusetup = 0;
mmusetup |= (hashindex_en << 13);
mmusetup |= (clk_gating << 3);
mmusetup |= (global_mode << 0);
nlm_mtcr(MMU_SETUP, mmusetup);
}
static __inline__ void nlm_mmu_lfsr_seed (int thr0_seed, int thr1_seed,
int thr2_seed, int thr3_seed)
{
uint32_t seed = nlm_mfcr(MMU_LFSRSEED);
seed |= ((thr3_seed & 0x7f) << 23);
seed |= ((thr2_seed & 0x7f) << 16);
seed |= ((thr1_seed & 0x7f) << 7);
seed |= ((thr0_seed & 0x7f) << 0);
nlm_mtcr(MMU_LFSRSEED, seed);
}
#endif /* __ASSEMBLY__ */
#endif /* __NLM_CPUCONTROL_H__ */