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- /*
- * Miscellaneous IOCTL commands for Dynamic Power Management Controller Driver
- *
- * Copyright (C) 2004-2009 Analog Device Inc.
- *
- * Licensed under the GPL-2
- */
- #ifndef _BLACKFIN_DPMC_H_
- #define _BLACKFIN_DPMC_H_
- #ifdef __ASSEMBLY__
- #define PM_REG0 R7
- #define PM_REG1 R6
- #define PM_REG2 R5
- #define PM_REG3 R4
- #define PM_REG4 R3
- #define PM_REG5 R2
- #define PM_REG6 R1
- #define PM_REG7 R0
- #define PM_REG8 P5
- #define PM_REG9 P4
- #define PM_REG10 P3
- #define PM_REG11 P2
- #define PM_REG12 P1
- #define PM_REG13 P0
- #define PM_REGSET0 R7:7
- #define PM_REGSET1 R7:6
- #define PM_REGSET2 R7:5
- #define PM_REGSET3 R7:4
- #define PM_REGSET4 R7:3
- #define PM_REGSET5 R7:2
- #define PM_REGSET6 R7:1
- #define PM_REGSET7 R7:0
- #define PM_REGSET8 R7:0, P5:5
- #define PM_REGSET9 R7:0, P5:4
- #define PM_REGSET10 R7:0, P5:3
- #define PM_REGSET11 R7:0, P5:2
- #define PM_REGSET12 R7:0, P5:1
- #define PM_REGSET13 R7:0, P5:0
- #define _PM_PUSH(n, x, w, base) PM_REG##n = w[FP + ((x) - (base))];
- #define _PM_POP(n, x, w, base) w[FP + ((x) - (base))] = PM_REG##n;
- #define PM_PUSH_SYNC(n) [--sp] = (PM_REGSET##n);
- #define PM_POP_SYNC(n) (PM_REGSET##n) = [sp++];
- #define PM_PUSH(n, x) PM_REG##n = [FP++];
- #define PM_POP(n, x) [FP--] = PM_REG##n;
- #define PM_CORE_PUSH(n, x) _PM_PUSH(n, x, , COREMMR_BASE)
- #define PM_CORE_POP(n, x) _PM_POP(n, x, , COREMMR_BASE)
- #define PM_SYS_PUSH(n, x) _PM_PUSH(n, x, , SYSMMR_BASE)
- #define PM_SYS_POP(n, x) _PM_POP(n, x, , SYSMMR_BASE)
- #define PM_SYS_PUSH16(n, x) _PM_PUSH(n, x, w, SYSMMR_BASE)
- #define PM_SYS_POP16(n, x) _PM_POP(n, x, w, SYSMMR_BASE)
- .macro bfin_init_pm_bench_cycles
- #ifdef CONFIG_BFIN_PM_WAKEUP_TIME_BENCH
- R4 = 0;
- CYCLES = R4;
- CYCLES2 = R4;
- R4 = SYSCFG;
- BITSET(R4, 1);
- SYSCFG = R4;
- #endif
- .endm
- .macro bfin_cpu_reg_save
- /*
- * Save the core regs early so we can blow them away when
- * saving/restoring MMR states
- */
- [--sp] = (R7:0, P5:0);
- [--sp] = fp;
- [--sp] = usp;
- [--sp] = i0;
- [--sp] = i1;
- [--sp] = i2;
- [--sp] = i3;
- [--sp] = m0;
- [--sp] = m1;
- [--sp] = m2;
- [--sp] = m3;
- [--sp] = l0;
- [--sp] = l1;
- [--sp] = l2;
- [--sp] = l3;
- [--sp] = b0;
- [--sp] = b1;
- [--sp] = b2;
- [--sp] = b3;
- [--sp] = a0.x;
- [--sp] = a0.w;
- [--sp] = a1.x;
- [--sp] = a1.w;
- [--sp] = LC0;
- [--sp] = LC1;
- [--sp] = LT0;
- [--sp] = LT1;
- [--sp] = LB0;
- [--sp] = LB1;
- /* We can't push RETI directly as that'll change IPEND[4] */
- r7 = RETI;
- [--sp] = RETS;
- [--sp] = ASTAT;
- #ifndef CONFIG_BFIN_PM_WAKEUP_TIME_BENCH
- [--sp] = CYCLES;
- [--sp] = CYCLES2;
- #endif
- [--sp] = SYSCFG;
- [--sp] = RETX;
- [--sp] = SEQSTAT;
- [--sp] = r7;
- /* Save first func arg in M3 */
- M3 = R0;
- .endm
- .macro bfin_cpu_reg_restore
- /* Restore Core Registers */
- RETI = [sp++];
- SEQSTAT = [sp++];
- RETX = [sp++];
- SYSCFG = [sp++];
- #ifndef CONFIG_BFIN_PM_WAKEUP_TIME_BENCH
- CYCLES2 = [sp++];
- CYCLES = [sp++];
- #endif
- ASTAT = [sp++];
- RETS = [sp++];
- LB1 = [sp++];
- LB0 = [sp++];
- LT1 = [sp++];
- LT0 = [sp++];
- LC1 = [sp++];
- LC0 = [sp++];
- a1.w = [sp++];
- a1.x = [sp++];
- a0.w = [sp++];
- a0.x = [sp++];
- b3 = [sp++];
- b2 = [sp++];
- b1 = [sp++];
- b0 = [sp++];
- l3 = [sp++];
- l2 = [sp++];
- l1 = [sp++];
- l0 = [sp++];
- m3 = [sp++];
- m2 = [sp++];
- m1 = [sp++];
- m0 = [sp++];
- i3 = [sp++];
- i2 = [sp++];
- i1 = [sp++];
- i0 = [sp++];
- usp = [sp++];
- fp = [sp++];
- (R7:0, P5:0) = [sp++];
- .endm
- .macro bfin_sys_mmr_save
- /* Save system MMRs */
- FP.H = hi(SYSMMR_BASE);
- FP.L = lo(SYSMMR_BASE);
- #ifdef SIC_IMASK0
- PM_SYS_PUSH(0, SIC_IMASK0)
- PM_SYS_PUSH(1, SIC_IMASK1)
- # ifdef SIC_IMASK2
- PM_SYS_PUSH(2, SIC_IMASK2)
- # endif
- #else
- # ifdef SIC_IMASK
- PM_SYS_PUSH(0, SIC_IMASK)
- # endif
- #endif
- #ifdef SIC_IAR0
- PM_SYS_PUSH(3, SIC_IAR0)
- PM_SYS_PUSH(4, SIC_IAR1)
- PM_SYS_PUSH(5, SIC_IAR2)
- #endif
- #ifdef SIC_IAR3
- PM_SYS_PUSH(6, SIC_IAR3)
- #endif
- #ifdef SIC_IAR4
- PM_SYS_PUSH(7, SIC_IAR4)
- PM_SYS_PUSH(8, SIC_IAR5)
- PM_SYS_PUSH(9, SIC_IAR6)
- #endif
- #ifdef SIC_IAR7
- PM_SYS_PUSH(10, SIC_IAR7)
- #endif
- #ifdef SIC_IAR8
- PM_SYS_PUSH(11, SIC_IAR8)
- PM_SYS_PUSH(12, SIC_IAR9)
- PM_SYS_PUSH(13, SIC_IAR10)
- #endif
- PM_PUSH_SYNC(13)
- #ifdef SIC_IAR11
- PM_SYS_PUSH(0, SIC_IAR11)
- #endif
- #ifdef SIC_IWR
- PM_SYS_PUSH(1, SIC_IWR)
- #endif
- #ifdef SIC_IWR0
- PM_SYS_PUSH(1, SIC_IWR0)
- #endif
- #ifdef SIC_IWR1
- PM_SYS_PUSH(2, SIC_IWR1)
- #endif
- #ifdef SIC_IWR2
- PM_SYS_PUSH(3, SIC_IWR2)
- #endif
- #ifdef PINT0_ASSIGN
- PM_SYS_PUSH(4, PINT0_MASK_SET)
- PM_SYS_PUSH(5, PINT1_MASK_SET)
- PM_SYS_PUSH(6, PINT2_MASK_SET)
- PM_SYS_PUSH(7, PINT3_MASK_SET)
- PM_SYS_PUSH(8, PINT0_ASSIGN)
- PM_SYS_PUSH(9, PINT1_ASSIGN)
- PM_SYS_PUSH(10, PINT2_ASSIGN)
- PM_SYS_PUSH(11, PINT3_ASSIGN)
- PM_SYS_PUSH(12, PINT0_INVERT_SET)
- PM_SYS_PUSH(13, PINT1_INVERT_SET)
- PM_PUSH_SYNC(13)
- PM_SYS_PUSH(0, PINT2_INVERT_SET)
- PM_SYS_PUSH(1, PINT3_INVERT_SET)
- PM_SYS_PUSH(2, PINT0_EDGE_SET)
- PM_SYS_PUSH(3, PINT1_EDGE_SET)
- PM_SYS_PUSH(4, PINT2_EDGE_SET)
- PM_SYS_PUSH(5, PINT3_EDGE_SET)
- #endif
- #ifdef SYSCR
- PM_SYS_PUSH16(6, SYSCR)
- #endif
- #ifdef EBIU_AMGCTL
- PM_SYS_PUSH16(7, EBIU_AMGCTL)
- PM_SYS_PUSH(8, EBIU_AMBCTL0)
- PM_SYS_PUSH(9, EBIU_AMBCTL1)
- #endif
- #ifdef EBIU_FCTL
- PM_SYS_PUSH(10, EBIU_MBSCTL)
- PM_SYS_PUSH(11, EBIU_MODE)
- PM_SYS_PUSH(12, EBIU_FCTL)
- PM_PUSH_SYNC(12)
- #else
- PM_PUSH_SYNC(9)
- #endif
- .endm
- .macro bfin_sys_mmr_restore
- /* Restore System MMRs */
- FP.H = hi(SYSMMR_BASE);
- FP.L = lo(SYSMMR_BASE);
- #ifdef EBIU_FCTL
- PM_POP_SYNC(12)
- PM_SYS_POP(12, EBIU_FCTL)
- PM_SYS_POP(11, EBIU_MODE)
- PM_SYS_POP(10, EBIU_MBSCTL)
- #else
- PM_POP_SYNC(9)
- #endif
- #ifdef EBIU_AMGCTL
- PM_SYS_POP(9, EBIU_AMBCTL1)
- PM_SYS_POP(8, EBIU_AMBCTL0)
- PM_SYS_POP16(7, EBIU_AMGCTL)
- #endif
- #ifdef SYSCR
- PM_SYS_POP16(6, SYSCR)
- #endif
- #ifdef PINT0_ASSIGN
- PM_SYS_POP(5, PINT3_EDGE_SET)
- PM_SYS_POP(4, PINT2_EDGE_SET)
- PM_SYS_POP(3, PINT1_EDGE_SET)
- PM_SYS_POP(2, PINT0_EDGE_SET)
- PM_SYS_POP(1, PINT3_INVERT_SET)
- PM_SYS_POP(0, PINT2_INVERT_SET)
- PM_POP_SYNC(13)
- PM_SYS_POP(13, PINT1_INVERT_SET)
- PM_SYS_POP(12, PINT0_INVERT_SET)
- PM_SYS_POP(11, PINT3_ASSIGN)
- PM_SYS_POP(10, PINT2_ASSIGN)
- PM_SYS_POP(9, PINT1_ASSIGN)
- PM_SYS_POP(8, PINT0_ASSIGN)
- PM_SYS_POP(7, PINT3_MASK_SET)
- PM_SYS_POP(6, PINT2_MASK_SET)
- PM_SYS_POP(5, PINT1_MASK_SET)
- PM_SYS_POP(4, PINT0_MASK_SET)
- #endif
- #ifdef SIC_IWR2
- PM_SYS_POP(3, SIC_IWR2)
- #endif
- #ifdef SIC_IWR1
- PM_SYS_POP(2, SIC_IWR1)
- #endif
- #ifdef SIC_IWR0
- PM_SYS_POP(1, SIC_IWR0)
- #endif
- #ifdef SIC_IWR
- PM_SYS_POP(1, SIC_IWR)
- #endif
- #ifdef SIC_IAR11
- PM_SYS_POP(0, SIC_IAR11)
- #endif
- PM_POP_SYNC(13)
- #ifdef SIC_IAR8
- PM_SYS_POP(13, SIC_IAR10)
- PM_SYS_POP(12, SIC_IAR9)
- PM_SYS_POP(11, SIC_IAR8)
- #endif
- #ifdef SIC_IAR7
- PM_SYS_POP(10, SIC_IAR7)
- #endif
- #ifdef SIC_IAR6
- PM_SYS_POP(9, SIC_IAR6)
- PM_SYS_POP(8, SIC_IAR5)
- PM_SYS_POP(7, SIC_IAR4)
- #endif
- #ifdef SIC_IAR3
- PM_SYS_POP(6, SIC_IAR3)
- #endif
- #ifdef SIC_IAR0
- PM_SYS_POP(5, SIC_IAR2)
- PM_SYS_POP(4, SIC_IAR1)
- PM_SYS_POP(3, SIC_IAR0)
- #endif
- #ifdef SIC_IMASK0
- # ifdef SIC_IMASK2
- PM_SYS_POP(2, SIC_IMASK2)
- # endif
- PM_SYS_POP(1, SIC_IMASK1)
- PM_SYS_POP(0, SIC_IMASK0)
- #else
- # ifdef SIC_IMASK
- PM_SYS_POP(0, SIC_IMASK)
- # endif
- #endif
- .endm
- .macro bfin_core_mmr_save
- /* Save Core MMRs */
- I0.H = hi(COREMMR_BASE);
- I0.L = lo(COREMMR_BASE);
- I1 = I0;
- I2 = I0;
- I3 = I0;
- B0 = I0;
- B1 = I0;
- B2 = I0;
- B3 = I0;
- I1.L = lo(DCPLB_ADDR0);
- I2.L = lo(DCPLB_DATA0);
- I3.L = lo(ICPLB_ADDR0);
- B0.L = lo(ICPLB_DATA0);
- B1.L = lo(EVT2);
- B2.L = lo(IMASK);
- B3.L = lo(TCNTL);
- /* Event Vectors */
- FP = B1;
- PM_PUSH(0, EVT2)
- PM_PUSH(1, EVT3)
- FP += 4; /* EVT4 */
- PM_PUSH(2, EVT5)
- PM_PUSH(3, EVT6)
- PM_PUSH(4, EVT7)
- PM_PUSH(5, EVT8)
- PM_PUSH_SYNC(5)
- PM_PUSH(0, EVT9)
- PM_PUSH(1, EVT10)
- PM_PUSH(2, EVT11)
- PM_PUSH(3, EVT12)
- PM_PUSH(4, EVT13)
- PM_PUSH(5, EVT14)
- PM_PUSH(6, EVT15)
- /* CEC */
- FP = B2;
- PM_PUSH(7, IMASK)
- FP += 4; /* IPEND */
- PM_PUSH(8, ILAT)
- PM_PUSH(9, IPRIO)
- /* Core Timer */
- FP = B3;
- PM_PUSH(10, TCNTL)
- PM_PUSH(11, TPERIOD)
- PM_PUSH(12, TSCALE)
- PM_PUSH(13, TCOUNT)
- PM_PUSH_SYNC(13)
- /* Misc non-contiguous registers */
- FP = I0;
- PM_CORE_PUSH(0, DMEM_CONTROL);
- PM_CORE_PUSH(1, IMEM_CONTROL);
- PM_CORE_PUSH(2, TBUFCTL);
- PM_PUSH_SYNC(2)
- /* DCPLB Addr */
- FP = I1;
- PM_PUSH(0, DCPLB_ADDR0)
- PM_PUSH(1, DCPLB_ADDR1)
- PM_PUSH(2, DCPLB_ADDR2)
- PM_PUSH(3, DCPLB_ADDR3)
- PM_PUSH(4, DCPLB_ADDR4)
- PM_PUSH(5, DCPLB_ADDR5)
- PM_PUSH(6, DCPLB_ADDR6)
- PM_PUSH(7, DCPLB_ADDR7)
- PM_PUSH(8, DCPLB_ADDR8)
- PM_PUSH(9, DCPLB_ADDR9)
- PM_PUSH(10, DCPLB_ADDR10)
- PM_PUSH(11, DCPLB_ADDR11)
- PM_PUSH(12, DCPLB_ADDR12)
- PM_PUSH(13, DCPLB_ADDR13)
- PM_PUSH_SYNC(13)
- PM_PUSH(0, DCPLB_ADDR14)
- PM_PUSH(1, DCPLB_ADDR15)
- /* DCPLB Data */
- FP = I2;
- PM_PUSH(2, DCPLB_DATA0)
- PM_PUSH(3, DCPLB_DATA1)
- PM_PUSH(4, DCPLB_DATA2)
- PM_PUSH(5, DCPLB_DATA3)
- PM_PUSH(6, DCPLB_DATA4)
- PM_PUSH(7, DCPLB_DATA5)
- PM_PUSH(8, DCPLB_DATA6)
- PM_PUSH(9, DCPLB_DATA7)
- PM_PUSH(10, DCPLB_DATA8)
- PM_PUSH(11, DCPLB_DATA9)
- PM_PUSH(12, DCPLB_DATA10)
- PM_PUSH(13, DCPLB_DATA11)
- PM_PUSH_SYNC(13)
- PM_PUSH(0, DCPLB_DATA12)
- PM_PUSH(1, DCPLB_DATA13)
- PM_PUSH(2, DCPLB_DATA14)
- PM_PUSH(3, DCPLB_DATA15)
- /* ICPLB Addr */
- FP = I3;
- PM_PUSH(4, ICPLB_ADDR0)
- PM_PUSH(5, ICPLB_ADDR1)
- PM_PUSH(6, ICPLB_ADDR2)
- PM_PUSH(7, ICPLB_ADDR3)
- PM_PUSH(8, ICPLB_ADDR4)
- PM_PUSH(9, ICPLB_ADDR5)
- PM_PUSH(10, ICPLB_ADDR6)
- PM_PUSH(11, ICPLB_ADDR7)
- PM_PUSH(12, ICPLB_ADDR8)
- PM_PUSH(13, ICPLB_ADDR9)
- PM_PUSH_SYNC(13)
- PM_PUSH(0, ICPLB_ADDR10)
- PM_PUSH(1, ICPLB_ADDR11)
- PM_PUSH(2, ICPLB_ADDR12)
- PM_PUSH(3, ICPLB_ADDR13)
- PM_PUSH(4, ICPLB_ADDR14)
- PM_PUSH(5, ICPLB_ADDR15)
- /* ICPLB Data */
- FP = B0;
- PM_PUSH(6, ICPLB_DATA0)
- PM_PUSH(7, ICPLB_DATA1)
- PM_PUSH(8, ICPLB_DATA2)
- PM_PUSH(9, ICPLB_DATA3)
- PM_PUSH(10, ICPLB_DATA4)
- PM_PUSH(11, ICPLB_DATA5)
- PM_PUSH(12, ICPLB_DATA6)
- PM_PUSH(13, ICPLB_DATA7)
- PM_PUSH_SYNC(13)
- PM_PUSH(0, ICPLB_DATA8)
- PM_PUSH(1, ICPLB_DATA9)
- PM_PUSH(2, ICPLB_DATA10)
- PM_PUSH(3, ICPLB_DATA11)
- PM_PUSH(4, ICPLB_DATA12)
- PM_PUSH(5, ICPLB_DATA13)
- PM_PUSH(6, ICPLB_DATA14)
- PM_PUSH(7, ICPLB_DATA15)
- PM_PUSH_SYNC(7)
- .endm
- .macro bfin_core_mmr_restore
- /* Restore Core MMRs */
- I0.H = hi(COREMMR_BASE);
- I0.L = lo(COREMMR_BASE);
- I1 = I0;
- I2 = I0;
- I3 = I0;
- B0 = I0;
- B1 = I0;
- B2 = I0;
- B3 = I0;
- I1.L = lo(DCPLB_ADDR15);
- I2.L = lo(DCPLB_DATA15);
- I3.L = lo(ICPLB_ADDR15);
- B0.L = lo(ICPLB_DATA15);
- B1.L = lo(EVT15);
- B2.L = lo(IPRIO);
- B3.L = lo(TCOUNT);
- /* ICPLB Data */
- FP = B0;
- PM_POP_SYNC(7)
- PM_POP(7, ICPLB_DATA15)
- PM_POP(6, ICPLB_DATA14)
- PM_POP(5, ICPLB_DATA13)
- PM_POP(4, ICPLB_DATA12)
- PM_POP(3, ICPLB_DATA11)
- PM_POP(2, ICPLB_DATA10)
- PM_POP(1, ICPLB_DATA9)
- PM_POP(0, ICPLB_DATA8)
- PM_POP_SYNC(13)
- PM_POP(13, ICPLB_DATA7)
- PM_POP(12, ICPLB_DATA6)
- PM_POP(11, ICPLB_DATA5)
- PM_POP(10, ICPLB_DATA4)
- PM_POP(9, ICPLB_DATA3)
- PM_POP(8, ICPLB_DATA2)
- PM_POP(7, ICPLB_DATA1)
- PM_POP(6, ICPLB_DATA0)
- /* ICPLB Addr */
- FP = I3;
- PM_POP(5, ICPLB_ADDR15)
- PM_POP(4, ICPLB_ADDR14)
- PM_POP(3, ICPLB_ADDR13)
- PM_POP(2, ICPLB_ADDR12)
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