kernel_samsung_a34x-permissive/drivers/misc/mediatek/m4u/mt6768/m4u_reg.h

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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#ifndef _MT_M4U_REG_H__
#define _MT_M4U_REG_H__
/* mau related */
#define MAU_NR_PER_M4U_SLAVE 1
/* #include "mach/mt_reg_base.h" */
/* ================================================= */
/* common macro definitions */
#define F_VAL(val, msb, lsb) (((val)&((1<<(msb-lsb+1))-1))<<lsb)
#define F_VAL_L(val, msb, lsb) (((val)&((1L<<(msb-lsb+1))-1))<<lsb)
#define F_MSK(msb, lsb) F_VAL(0xffffffff, msb, lsb)
#define F_MSK_L(msb, lsb) F_VAL_L(0xffffffffffffffffL, msb, lsb)
#define F_BIT_SET(bit) (1<<(bit))
#define F_BIT_VAL(val, bit) ((!!(val))<<(bit))
#define F_MSK_SHIFT(regval, msb, lsb) (((regval)&F_MSK(msb, lsb))>>lsb)
/* ===================================================== */
/* M4U register definition */
/* ===================================================== */
#define REG_MMUg_PT_BASE (0x0)
#define F_MMUg_PT_VA_MSK 0xffffff80
#define REG_MMUg_PT_BASE_SEC (0x4)
#define F_MMUg_PT_VA_MSK_SEC 0xffffff80
#define F_PGD_REG_BIT32 F_BIT_SET(0)
#define F_PGD_REG_BIT33 F_BIT_SET(1)
#define REG_MMU_PROG_EN 0x10
#define F_MMU0_PROG_EN 0x1
#define F_MMU1_PROG_EN 0x2
#define REG_MMU_PROG_VA (0x14)
#define F_PROG_VA_LOCK_BIT (1<<11)
#define F_PROG_VA_LAYER_BIT F_BIT_SET(9)
#define F_PROG_VA_SIZE16X_BIT F_BIT_SET(8)
#define F_PROG_VA_SECURE_BIT (1<<7)
#define F_PROG_VA_MASK 0xfffff000
#define REG_MMU_PROG_DSC (0x18)
#define REG_MMU_INVLD (0x20)
#define F_MMU_INV_ALL (0x2)
#define F_MMU_INV_RANGE (0x1)
#define REG_MMU_INVLD_SA (0x24)
#define REG_MMU_INVLD_EA (0x28)
#define REG_MMU_INVLD_SEC (0x2c)
#define F_MMU_INV_SEC_RANGE (0x1)
#define REG_MMU_INVLD_SA_SEC (0x30)
#define REG_MMU_INVLD_EA_SEC (0x34)
#define REG_INVLID_SEL (0x38)
#define F_MMU_INV_EN_L2 (1<<1)
#define F_MMU_INV_EN_L1 (1<<0)
#define REG_INVLID_SEL_SEC (0x3c)
#define F_MMU_INV_SEC_ABORT_WR (1<<18)
#define F_MMU_INV_SEC_ABORT_ADDR (0x3ffc0)
#define F_MMU_INV_SEC_DBG (1<<5)
#define F_MMU_INV_SEC_INV_INT_EN (1<<4)
#define F_MMU_INV_SEC_INV_INT_CLR (1<<3)
#define F_MMU_INV_SEC_INV_DONE (1<<2)
#define F_MMU_INV_SEC_EN_L2 (1<<1)
#define F_MMU_INV_SEC_EN_L1 (1<<0)
#define REG_MMU_SEC_ABORT_INFO (0x40)
#define F_MMU_M4U_DOMAIN_ABORT F_BIT_VAL(en, 31)
#define F_MMU_SEC_ABORT_DOMAIN F_MSK_SHIFT(regval, 20, 16)
#define F_MMU_SEC_ABORT_ID F_MSK_SHIFT(regval, 15, 0)
#define REG_MMU_DUMMY (0x44)
#define F_REG_MMU_IDLE_ENABLE F_BIT_SET(0)
#define REG_MMU_STANDARD_AXI_MODE (0x48)
#define REG_MMU_PRIORITY (0x4c)
#define F_MMU1_COMMAND_GROUPING_EN F_BIT_SET(4)
#define F_MMU0_COMMAND_GROUPING_EN F_BIT_SET(3)
#define F_MMU_RS_FULL_ULTRA_EN F_BIT_SET(2)
#define F_MMU_AUTO_PF_ULTRA_BIT F_BIT_SET(1)
#define F_MMU_TABLE_WALK_ULTRA_BIT F_BIT_SET(0)
#define REG_MMU_DCM_DIS (0x50)
#define F_MMU_MTLB_LOGIC_STALL_DUMMY F_BIT_SET(15)
#define F_MMU_MTLB_LOGIC_STALL_DCM F_BIT_SET(14)
#define F_MMU_RS_ENTRY_STALL_DCM F_BIT_SET(13)
#define F_MMU_FIFO_ENTRY_STALL_DCM F_BIT_SET(12)
#define F_MMU_SLICE_ENTRY_STALL_DCM F_BIT_SET(11)
#define F_MMU_ULTRA_SLICE_STALL_ENTRY_DCM F_BIT_SET(10)
#define F_MMU_L2_LOGIC_STALL_DCM F_BIT_SET(9)
#define F_MMU_TOP_STALL_DCM F_BIT_SET(8)
#define F_MMU_APB_DCM F_BIT_SET(7)
#define F_MMU_MTLB_LOGIC_DCM F_BIT_SET(6)
#define F_MMU_RS_ENTRY_DCM F_BIT_SET(5)
#define F_MMU_FIFO_ENTRY_DCM F_BIT_SET(4)
#define F_MMU_SLICE_ENTRY_DCM F_BIT_SET(3)
#define F_MMU_ULTRA_SLICE_ENTRY_DCM F_BIT_SET(2)
#define F_MMU_L2_LOGIC_DCM F_BIT_SET(1)
#define F_MMU_TOP_DCM F_BIT_SET(0)
#define REG_MMU_WR_LEN (0x54)
#define F_MMU_WR_THROT_DIS(sel) F_VAL(sel, 11, 10)
#define F_MMU_MMU1_WRITE_LEN F_MSK(9, 5)
#define F_MMU_MMU0_WRITE_LEN F_MSK(4, 0)
#define REG_MMU_HW_DEBUG (0x58)
#define F_MMU_HW_DBG_L2_SCAN_ALL F_BIT_SET(1)
#define F_MMU_HW_DBG_PFQ_BRDCST F_BIT_SET(0)
#define REG_MMU_NON_BLOCKING_DIS 0x5C
#define F_MMU_MMU1_HALF_ENTRY_MODE F_BIT_SET(3)
#define F_MMU_MMU0_HALF_ENTRY_MODE F_BIT_SET(2)
#define F_MMU_MMU1_BLOCKING_MODE F_BIT_SET(1)
#define F_MMU_MMU0_BLOCKING_MODE F_BIT_SET(0)
#define REG_MMU_LEGACY_4KB_MODE (0x60)
#define REG_MMU_DBG0 (0X64)
#define REG_MMU_DBG1 (0x68)
#define REG_MMU_DBG2 (0x6c)
#define REG_MMU_SMI_COMMON_DBG0 (0x78)
#define REG_MMU_SMI_COMMON_DBG1 (0x7c)
#define REG_MMU_MMU_COHERENCE_EN (0x80)
#define REG_MMU_IN_ORDER_WR_EN (0x84)
#define REG_MMU_MMU_TABLE_WALK_DIS (0x88)
#define REG_MMU_MMU_MTLB_RESERVE_MODE_DIS (0x8c)
#define REG_MMU_READ_ENTRY 0x100
#define F_READ_ENTRY_EN F_BIT_SET(31)
#define F_READ_ENTRY_VICT_TLB_SEL F_BIT_SET(30)
#define F_READ_ENTRY_MM0_MAIN F_BIT_SET(27)
#define F_READ_ENTRY_MMx_MAIN(id) F_BIT_SET(27+id)
#define F_READ_ENTRY_PFH F_BIT_SET(26)
#define F_READ_ENTRY_MMU1_IDX(idx) F_VAL(idx, 24, 19)
#define F_READ_ENTRY_MAIN_IDX(idx) F_VAL(idx, 16, 12)
#define F_READ_ENTRY_PFH_IDX(idx) F_VAL(idx, 10, 5)
#define F_READ_ENTRY_PFH_HI_LO(high) F_VAL(high, 4, 4)
#define F_READ_ENTRY_PFH_PAGE_IDX(idx) F_VAL(idx, 3, 2)
#define F_READ_ENTRY_PFH_WAY(way) F_VAL(way, 1, 0)
#define REG_MMU_DES_RDATA (0x104)
#define REG_MMU_PFH_TAG_RDATA (0x108)
#define F_PFH_TAG_VA_GET(mmu, tag) \
((mmu == 0)?F_MMU0_PFH_TAG_VA_GET(tag) : F_MMU1_PFH_TAG_VA_GET(tag))
#define F_MMU0_PFH_TAG_VA_GET(tag) \
(F_MSK_SHIFT(tag, 14, 4)<<(MMU_SET_MSB_OFFSET(0)+1))
#define F_MMU1_PFH_TAG_VA_GET(tag) \
(F_MSK_SHIFT(tag, 14, 4)<<(MMU_SET_MSB_OFFSET(1)+1))
#define F_MMU_PFH_TAG_VA_LAYER0_MSK(mmu) \
((mmu == 0)?F_MSK(31, 28):F_MSK(31, 28))
#define F_PFH_TAG_LAYER_BIT F_BIT_SET(3)
/* this bit is always 0 -- cost down. */
#define F_PFH_TAG_16X_BIT F_BIT_SET(2)
#define F_PFH_TAG_SEC_BIT F_BIT_SET(1)
#define F_PFH_TAG_AUTO_PFH F_BIT_SET(0)
#define REG_MMU_VICT_VLD 0x10c
#define F_MMU_VICT_VLD_BIT(way) F_BIT_SET((way)&0xf)
/* tag related macro */
#define MMU0_SET_ORDER (6)
#define MMU1_SET_ORDER (6)
#define MMU_SET_ORDER(mmu) ((mmu == 0) ? MMU0_SET_ORDER : MMU1_SET_ORDER)
#define MMU_SET_NR(mmu) (1<<MMU_SET_ORDER(mmu))
#define MMU_SET_LSB_OFFSET (15)
#define MMU_SET_MSB_OFFSET(mmu) (MMU_SET_LSB_OFFSET+MMU_SET_ORDER(mmu)-1)
#define MMU_PFH_VA_TO_SET(mmu, va) \
F_MSK_SHIFT(va, MMU_SET_MSB_OFFSET(mmu), MMU_SET_LSB_OFFSET)
#define MMU_PAGE_PER_LINE (4)
#define MMU_WAY_NR (4)
#define MMU_PFH_TOTAL_LINE(mmu) (MMU_SET_NR(mmu)*MMU_WAY_NR)
#define REG_MMU_CTRL_REG (0x110)
#define F_MMU_CTRL_VICT_TLB_EN(en) F_BIT_VAL(en, 10)
#define F_MMU_CTRL_HANG_PREVENTION(en) F_BIT_VAL(en, 9)
#define F_MMU_CTRL_INVALID_FIFO_EN(en) F_BIT_VAL(en, 8)
#define F_MMU_CTRL_LAYER2_PFH_DIS(dis) F_BIT_VAL(dis, 7)
#define F_MMU_CTRL_INT_HANG_EN(en) F_BIT_VAL(en, 6)
#define F_MMU_CTRL_TF_PROTECT_SEL(en) F_VAL(en, 5, 4)
#define F_MMU_CTRL_MONITOR_CLR(clr) F_BIT_VAL(clr, 2)
#define F_MMU_CTRL_MONITOR_EN(en) F_BIT_VAL(en, 1)
#define F_MMU_CTRL_PFH_DIS(dis) F_BIT_VAL(dis, 0)
#define REG_MMU_IVRP_PADDR (0x114)
#define F_MMU_IVRP_PA_SET(PA) \
((((unsigned long long)PA) & F_MSK(31, 7)) | \
((((unsigned long long)PA) >> 32) & F_MSK(1, 0)))
#define F_RP_PA_REG_BIT32 F_BIT_SET(0)
#define F_RP_PA_REG_BIT33 F_BIT_SET(1)
#define REG_MMU_INT_L2_CONTROL (0x120)
#define F_INT_L2_CLR_BIT (1<<12)
#define F_INT_L2_MULTI_HIT_FAULT F_BIT_SET(0)
#define F_INT_L2_TABLE_WALK_FAULT F_BIT_SET(1)
#define F_INT_L2_PFH_DMA_FIFO_OVERFLOW F_BIT_SET(2)
#define F_INT_L2_MISS_DMA_FIFO_OVERFLOW F_BIT_SET(3)
#define F_INT_L2_INVALID_DONE F_BIT_SET(4)
#define F_INT_L2_PFH_FIFO_ERROR F_BIT_SET(5)
#define F_INT_L2_MISS_FIFO_ERR F_BIT_SET(6)
#define REG_MMU_INT_MAIN_CONTROL (0x124)
#define F_INT_TRANSLATION_FAULT(MMU) F_BIT_SET(0+(MMU)*7)
#define F_INT_MAIN_MULTI_HIT_FAULT(MMU) F_BIT_SET(1+(MMU)*7)
#define F_INT_INVALID_PHYSICAL_ADDRESS_FAULT(MMU) F_BIT_SET(2+(MMU)*7)
#define F_INT_ENTRY_REPLACEMENT_FAULT(MMU) F_BIT_SET(3+(MMU)*7)
#define F_INT_TLB_MISS_FAULT(MMU) F_BIT_SET(4+(MMU)*7)
#define F_INT_MISS_FIFO_ERR(MMU) F_BIT_SET(5+(MMU)*7)
#define F_INT_PFH_FIFO_ERR(MMU) F_BIT_SET(6+(MMU)*7)
#define F_INT_MAU(mmu, set) F_BIT_SET(14+(set)+(mmu*4))
#define F_INT_MMU0_MAIN_MSK F_MSK(6, 0)
#define F_INT_MMU1_MAIN_MSK F_MSK(13, 7)
#define F_INT_MMU0_MAU_MSK F_MSK((14 + MAU_NR_PER_M4U_SLAVE - 1), 14)
#define F_INT_MMU1_MAU_MSK \
F_MSK((14 + MAU_NR_PER_M4U_SLAVE * 2 - 1), (14 + MAU_NR_PER_M4U_SLAVE))
#define REG_MMU_CPE_DONE_SEC (0x128)
#define REG_MMU_CPE_DONE (0x12C)
#define REG_MMU_L2_FAULT_ST (0x130)
#define F_INT_L2_MISS_IN_FIFO_ERR F_BIT_SET(8)
#define F_INT_L2_MISS_OUT_FIFO_ERROR F_BIT_SET(7)
#define F_INT_L2_PFH_IN_FIFO_ERROR F_BIT_SET(6)
#define F_INT_L2_PFH_OUT_FIFO_ERROR F_BIT_SET(5)
#define REG_MMU_MAIN_FAULT_ST (0x134)
#define REG_MMU_TBWALK_FAULT_VA (0x138)
#define F_MMU_TBWALK_FAULT_VA_MSK F_MSK(31, 12)
#define F_MMU_TBWALK_FAULT_LAYER(regval) F_MSK_SHIFT(regval, 0, 0)
#define REG_MMU_FAULT_VA(mmu) (0x13c+((mmu)<<3))
#define F_MMU_FAULT_VA_MSK F_MSK(31, 12)
#define F_MMU_FAULT_CATCH_INVPA F_BIT_SET(11)
#define F_MMU_FAULT_CATCH_TF F_BIT_SET(10)
#define F_MMU_FAULT_PA_B33_32 F_MSK(9, 8)
#define F_MMU_FAULT_VA_WRITE_BIT F_BIT_SET(1)
#define F_MMU_FAULT_VA_LAYER_BIT F_BIT_SET(0)
#define REG_MMU_INVLD_PA(mmu) (0x140+((mmu)<<3))
#define REG_MMU_INT_ID(mmu) (0x150+((mmu)<<2))
#define F_MMU0_INT_ID_TF_MSK (~0x3) /* only for MM iommu. */
#define REG_MMU_PF_MSCNT (0x160)
#define REG_MMU_PF_CNT (0x164)
#define REG_MMU_ACC_CNT(mmu) \
(0x168+(((mmu)<<3)|((mmu)<<2))) /* (0x168+((mmu)*12) */
#define REG_MMU_MAIN_MSCNT(mmu) (0x16c+(((mmu)<<3)|((mmu)<<2)))
#define REG_MMU_RS_PERF_CNT(mmu) (0x170+(((mmu)<<3)|((mmu)<<2)))
#define REG_MMU_PFH_VLD_0 (0x180)
#define REG_MMU_PFH_VLD(mmu, set, way) \
(REG_MMU_PFH_VLD_0+(((set)>>5)<<2)+\
((way)<<((mmu == 0)?(MMU0_SET_ORDER - 3):(MMU1_SET_ORDER - 3))))
#define F_MMU_PFH_VLD_BIT(set, way) F_BIT_SET((set%32)&0x1f)
#define MMU01_SQ_OFFSET (0x600-0x300)
#define REG_MMU_SQ_START(mmu, x) \
(0x300+((x)<<3)+((mmu)*MMU01_SQ_OFFSET))
#define F_SQ_VA_MASK F_MSK(31, 20)
#define F_SQ_EN_BIT (1<<19)
/* #define F_SQ_MULTI_ENTRY_VAL(x) (((x)&0xf)<<13) */
#define REG_MMU_SQ_END(mmu, x) (0x304+((x)<<3)+((mmu)*MMU01_SQ_OFFSET))
#define MMU_TOTAL_RS_NR (8)
#define REG_MMU_RSx_VA(mmu, x) (0x380+((x)<<4)+((mmu)*MMU01_SQ_OFFSET))
#define F_MMU_RSx_VA_GET(regval) ((regval)&F_MSK(31, 12))
#define F_MMU_RSx_VA_VALID(regval) F_MSK_SHIFT(regval, 11, 11)
#define REG_MMU_RSx_PA(mmu, x) (0x384+((x)<<4)+((mmu)*MMU01_SQ_OFFSET))
#define F_MMU_RSx_PA_GET(regval) ((regval)&F_MSK(31, 12))
#define REG_MMU_RSx_2ND_BASE(mmu, x) (0x388+((x)<<4)+((mmu)*MMU01_SQ_OFFSET))
#define REG_MMU_RSx_ST(mmu, x) (0x38c+((x)<<4)+((mmu)*MMU01_SQ_OFFSET))
#define F_MMU_RSx_ST_LARB(regval) F_MSK_SHIFT(regval, 25, 23)
#define F_MMU_RSx_ST_PORT(regval) F_MSK_SHIFT(regval, 22, 16)
#define F_MMU_RSx_ST_WRT(regval) F_MSK_SHIFT(regval, 12, 12)
#define F_MMU_RSx_ST_OTHER(regval) F_MSK_SHIFT(regval, 8, 0)
#define REG_MMU_MAIN_TAG(mmu, x) (0x500+((x)<<2)+((mmu)*MMU01_SQ_OFFSET))
#define F_MAIN_TLB_VA_MSK F_MSK(31, 12)
#define F_MAIN_TLB_LOCK_BIT (1<<11)
#define F_MAIN_TLB_VALID_BIT (1<<10)
#define F_MAIN_TLB_LAYER_BIT F_BIT_SET(9)
#define F_MAIN_TLB_16X_BIT F_BIT_SET(8)
#define F_MAIN_TLB_SEC_BIT F_BIT_SET(7)
#define F_MAIN_TLB_INV_DES_BIT (1<<6)
#define F_MAIN_TLB_SQ_EN_BIT (1<<5)
#define F_MAIN_TLB_SQ_INDEX_MSK F_MSK(4, 1)
#define F_MAIN_TLB_SQ_INDEX_GET(regval) F_MSK_SHIFT(regval, 4, 1)
#define REG_MMU_MAU_START(mmu, mau) (0x900+((mau)*0x20)+((mmu)*0xa4))
#define REG_MMU_MAU_START_BIT32(mmu, mau) \
(0x904+((mau)*0x20)+((mmu)*0xa4))
#define REG_MMU_MAU_END(mmu, mau) \
(0x908+((mau)*0x20)+((mmu)*0xa4))
#define REG_MMU_MAU_END_BIT32(mmu, mau) (0x90C+((mau)*0x20)+((mmu)*0xa4))
#define REG_MMU_MAU_LARB_EN(mmu) (0x910+((mmu)*0xa4))
#define F_MAU_LARB_VAL(mau, larb) ((larb)<<(mau*8))
#define F_MAU_LARB_MSK(mau) (0xff<<(mau*8))
#define REG_MMU_MAU_PORT_EN(mmu, mau) (0x914+((mau)*0x20)+((mmu)*0xa4))
#define REG_MMU_MAU_ASSERT_ID(mmu, mau) (0x918+((mau)*0x20)+((mmu)*0xa4))
#define F_MMU_MAU_ASSERT_ID_LARB(regval) F_MSK_SHIFT(regval, 7, 5)
#define F_MMU_MAU_ASSERT_ID_PORT(regval) F_MSK_SHIFT(regval, 4, 0)
#define REG_MMU_MAU_ADDR(mmu, mau) (0x91C+((mau)*0x20)+((mmu)*0xa4))
#define REG_MMU_MAU_ADDR_BIT32(mmu, mau) \
(0x920+((mau)*0x20)+((mmu)*0xa4))
#define REG_MMU_MAU_CLR(mmu) (0x924+((mmu)*0xa4))
#define REG_MMU_MAU_IO(mmu) (0x928+((mmu)*0xa4))
#define F_MAU_BIT_VAL(val, mau) F_BIT_VAL(val, mau)
#define REG_MMU_MAU_RW(mmu) (0x92c+((mmu)*0xa4))
#define REG_MMU_MAU_VA(mmu) (0x930+((mmu)*0xa4))
#define REG_MMU_MAU_ASSERT_ST(mmu) (0x934+((mmu)*0xa4))
#define MMU_TOTAL_PROG_DIST_NR (2)
#define REG_MMU_PROG_DIST(dist, slave) (0xb00 + 0x100*slave + ((dist)<<2))
#define F_PF_ID_COMP_SEL(sel) F_BIT_VAL(sel, 16)
#define F_PF_DIR(dir) F_BIT_VAL(dir, 15)
#define F_PF_DIST_MSB (14)
#define F_PF_DIST_LSB (11)
#define F_PF_ID(larb, port, mm_id) ((larb) << 7 | ((port) << 2) | mm_id)
#define F_PF_ID_MSB (10)
#define F_PF_ID_LSB (1)
#define F_PF_EN(en) F_BIT_VAL(en, 0)
#define REG_MMU_SMI_ASYNC_CFG (0xb80)
/* ================================================================ */
/* SMI larb */
/* ================================================================ */
#define SMI_LARB_NON_SEC_CONx(larb_port) (0x380 + ((larb_port)<<2))
#define F_SMI_NON_SEC_MMU_EN(en) F_BIT_VAL(en, 0)
#define F_SMI_MMU_EN F_BIT_SET(0)
#define F_SMI_DOMN(domain) F_VAL(domain, 8, 4)
#define F_SMI_BIT32 F_MSK(15, 8)
#define SMI_COMMON_LARB_BUS_SEL (0x220)
#define F_SMI_LARB_BUS(larb, bus) F_VAL(bus, (larb * 2 + 1), (larb * 2))
/* ========================================================================= */
/* peripheral system */
/* ========================================================================= */
#define REG_PERIAXI_BUS_CTL3 (0x208)
#define F_PERI_MMU_EN(port, en) ((en)<<((port)))
#include <sync_write.h>
static inline unsigned int COM_ReadReg32(unsigned long addr)
{
return ioread32((void *)addr);
}
static inline void COM_WriteReg32(unsigned long addr, unsigned int Val)
{
mt_reg_sync_writel(Val, (void *)addr);
}
static inline unsigned int M4U_ReadReg32(
unsigned long M4uBase, unsigned int Offset)
{
unsigned int val;
val = COM_ReadReg32((M4uBase + Offset));
return val;
}
static inline void M4U_WriteReg32(unsigned long M4uBase,
unsigned int Offset, unsigned int Val)
{
COM_WriteReg32((M4uBase + Offset), Val);
}
static inline unsigned int m4uHw_set_field(unsigned long M4UBase,
unsigned int Reg, unsigned int bit_width, unsigned int shift,
unsigned int value) {
unsigned int mask = ((1 << bit_width) - 1) << shift;
unsigned int old;
value = (value << shift) & mask;
old = M4U_ReadReg32(M4UBase, Reg);
M4U_WriteReg32(M4UBase, Reg, (old & (~mask)) | value);
return (old & mask) >> shift;
}
static inline void m4uHw_set_field_by_mask(
unsigned long M4UBase, unsigned int reg,
unsigned long mask, unsigned int val)
{
unsigned int regval;
regval = M4U_ReadReg32(M4UBase, reg);
regval = (regval & (~mask)) | val;
M4U_WriteReg32(M4UBase, reg, regval);
}
static inline unsigned int m4uHw_get_field_by_mask(
unsigned long M4UBase, unsigned int reg,
unsigned int mask)
{
return M4U_ReadReg32(M4UBase, reg) & mask;
}
#endif