From 93f89519fd31c21e5d606faf4091f5905db38412 Mon Sep 17 00:00:00 2001 From: Steven Miao Date: Wed, 16 May 2012 18:26:10 +0800 Subject: [PATCH] blackfin: bf60x: add power management support Add bf60x cpu pm callbacks and change blackfin pm framework to support bf60x. Signed-off-by: Steven Miao Signed-off-by: Bob Liu --- arch/blackfin/include/asm/dpmc.h | 632 +++++++++++++++++++++++++++++ arch/blackfin/include/asm/pm.h | 32 ++ arch/blackfin/mach-bf609/hibernate.S | 62 +++ arch/blackfin/mach-bf609/include/mach/pm.h | 21 + arch/blackfin/mach-bf609/pm.c | 310 ++++++++++++++ arch/blackfin/mach-common/Makefile | 5 +- arch/blackfin/mach-common/dpmc_modes.S | 604 +-------------------------- arch/blackfin/mach-common/pm.c | 34 +- 8 files changed, 1105 insertions(+), 595 deletions(-) create mode 100644 arch/blackfin/include/asm/pm.h create mode 100644 arch/blackfin/mach-bf609/hibernate.S create mode 100644 arch/blackfin/mach-bf609/include/mach/pm.h create mode 100644 arch/blackfin/mach-bf609/pm.c diff --git a/arch/blackfin/include/asm/dpmc.h b/arch/blackfin/include/asm/dpmc.h index c4ec959dad78..b47399cda6ed 100644 --- a/arch/blackfin/include/asm/dpmc.h +++ b/arch/blackfin/include/asm/dpmc.h @@ -9,6 +9,637 @@ #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_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; + [--sp] = CYCLES; + [--sp] = CYCLES2; + [--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++]; + CYCLES2 = [sp++]; + CYCLES = [sp++]; + 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_AMBCTL + 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) + PM_POP(1, ICPLB_ADDR11) + PM_POP(0, ICPLB_ADDR10) + PM_POP_SYNC(13) + PM_POP(13, ICPLB_ADDR9) + PM_POP(12, ICPLB_ADDR8) + PM_POP(11, ICPLB_ADDR7) + PM_POP(10, ICPLB_ADDR6) + PM_POP(9, ICPLB_ADDR5) + PM_POP(8, ICPLB_ADDR4) + PM_POP(7, ICPLB_ADDR3) + PM_POP(6, ICPLB_ADDR2) + PM_POP(5, ICPLB_ADDR1) + PM_POP(4, ICPLB_ADDR0) + + /* DCPLB Data */ + FP = I2; + PM_POP(3, DCPLB_DATA15) + PM_POP(2, DCPLB_DATA14) + PM_POP(1, DCPLB_DATA13) + PM_POP(0, DCPLB_DATA12) + PM_POP_SYNC(13) + PM_POP(13, DCPLB_DATA11) + PM_POP(12, DCPLB_DATA10) + PM_POP(11, DCPLB_DATA9) + PM_POP(10, DCPLB_DATA8) + PM_POP(9, DCPLB_DATA7) + PM_POP(8, DCPLB_DATA6) + PM_POP(7, DCPLB_DATA5) + PM_POP(6, DCPLB_DATA4) + PM_POP(5, DCPLB_DATA3) + PM_POP(4, DCPLB_DATA2) + PM_POP(3, DCPLB_DATA1) + PM_POP(2, DCPLB_DATA0) + + /* DCPLB Addr */ + FP = I1; + PM_POP(1, DCPLB_ADDR15) + PM_POP(0, DCPLB_ADDR14) + PM_POP_SYNC(13) + PM_POP(13, DCPLB_ADDR13) + PM_POP(12, DCPLB_ADDR12) + PM_POP(11, DCPLB_ADDR11) + PM_POP(10, DCPLB_ADDR10) + PM_POP(9, DCPLB_ADDR9) + PM_POP(8, DCPLB_ADDR8) + PM_POP(7, DCPLB_ADDR7) + PM_POP(6, DCPLB_ADDR6) + PM_POP(5, DCPLB_ADDR5) + PM_POP(4, DCPLB_ADDR4) + PM_POP(3, DCPLB_ADDR3) + PM_POP(2, DCPLB_ADDR2) + PM_POP(1, DCPLB_ADDR1) + PM_POP(0, DCPLB_ADDR0) + + + /* Misc non-contiguous registers */ + + /* icache & dcache will enable later + drop IMEM_CONTROL, DMEM_CONTROL pop + */ + FP = I0; + PM_POP_SYNC(2) + PM_CORE_POP(2, TBUFCTL) + PM_CORE_POP(1, IMEM_CONTROL) + PM_CORE_POP(0, DMEM_CONTROL) + + /* Core Timer */ + FP = B3; + R0 = 0x1; + [FP - 0xC] = R0; + + PM_POP_SYNC(13) + FP = B3; + PM_POP(13, TCOUNT) + PM_POP(12, TSCALE) + PM_POP(11, TPERIOD) + PM_POP(10, TCNTL) + + /* CEC */ + FP = B2; + PM_POP(9, IPRIO) + PM_POP(8, ILAT) + FP += -4; /* IPEND */ + PM_POP(7, IMASK) + + /* Event Vectors */ + FP = B1; + PM_POP(6, EVT15) + PM_POP(5, EVT14) + PM_POP(4, EVT13) + PM_POP(3, EVT12) + PM_POP(2, EVT11) + PM_POP(1, EVT10) + PM_POP(0, EVT9) + PM_POP_SYNC(5) + PM_POP(5, EVT8) + PM_POP(4, EVT7) + PM_POP(3, EVT6) + PM_POP(2, EVT5) + FP += -4; /* EVT4 */ + PM_POP(1, EVT3) + PM_POP(0, EVT2) + .endm +#endif + #include /* PLL_CTL Masks */ @@ -114,6 +745,7 @@ #define USBWE 0x0800 /* Enable USB Wakeup From Hibernate */ #endif + #ifndef __ASSEMBLY__ void sleep_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2); diff --git a/arch/blackfin/include/asm/pm.h b/arch/blackfin/include/asm/pm.h new file mode 100644 index 000000000000..da63b46e0c68 --- /dev/null +++ b/arch/blackfin/include/asm/pm.h @@ -0,0 +1,32 @@ +/* + * Blackfin bf609 power management + * + * Copyright 2011 Analog Devices Inc. + * + * Licensed under the GPL-2 + */ + +#ifndef __PM_H__ +#define __PM_H__ + +#include +#include + +struct bfin_cpu_pm_fns { + void (*save)(unsigned long *); + void (*restore)(unsigned long *); + int (*valid)(suspend_state_t state); + void (*enter)(suspend_state_t state); + int (*prepare)(void); + void (*finish)(void); +}; + +extern struct bfin_cpu_pm_fns *bfin_cpu_pm; + +# ifdef CONFIG_BFIN_COREB +void bfin_coreb_start(void); +void bfin_coreb_stop(void); +void bfin_coreb_reset(void); +# endif + +#endif diff --git a/arch/blackfin/mach-bf609/hibernate.S b/arch/blackfin/mach-bf609/hibernate.S new file mode 100644 index 000000000000..baedd6e6abf4 --- /dev/null +++ b/arch/blackfin/mach-bf609/hibernate.S @@ -0,0 +1,62 @@ +#include +#include +#include + +#define PM_STACK (COREA_L1_SCRATCH_START + L1_SCRATCH_LENGTH - 12) + +.section .l1.text +ENTRY(_enter_hibernate) + /* switch stack to L1 scratch, prepare for ddr srfr */ + P0.H = HI(PM_STACK); + P0.L = LO(PM_STACK); + SP = P0; + + call _bf609_ddr_sr; + call _bfin_hibernate_syscontrol; + + P0.H = HI(DPM0_RESTORE4); + P0.L = LO(DPM0_RESTORE4); + P1.H = _bf609_pm_data; + P1.L = _bf609_pm_data; + [P0] = P1; + + P0.H = HI(DPM0_CTL); + P0.L = LO(DPM0_CTL); + R3.H = HI(0x00000010); + R3.L = LO(0x00000010); + [P0] = R3; + + SSYNC; +ENDPROC(_enter_hibernate_mode) + +.section .text +ENTRY(_bf609_hibernate) + bfin_cpu_reg_save; + bfin_core_mmr_save; + + P0.H = _bf609_pm_data; + P0.L = _bf609_pm_data; + R1.H = 0xDEAD; + R1.L = 0xBEEF; + R2.H = .Lpm_resume_here; + R2.L = .Lpm_resume_here; + [P0++] = R1; + [P0++] = R2; + [P0++] = SP; + + P1.H = _enter_hibernate; + P1.L = _enter_hibernate; + + call (P1); +.Lpm_resume_here: + + bfin_core_mmr_restore; + bfin_cpu_reg_restore; + + [--sp] = RETI; /* Clear Global Interrupt Disable */ + SP += 4; + + RTS; + +ENDPROC(_bf609_hibernate) + diff --git a/arch/blackfin/mach-bf609/include/mach/pm.h b/arch/blackfin/mach-bf609/include/mach/pm.h new file mode 100644 index 000000000000..036d9bdc889e --- /dev/null +++ b/arch/blackfin/mach-bf609/include/mach/pm.h @@ -0,0 +1,21 @@ +/* + * Blackfin bf609 power management + * + * Copyright 2011 Analog Devices Inc. + * + * Licensed under the GPL-2 + */ + +#ifndef __MACH_BF609_PM_H__ +#define __MACH_BF609_PM_H__ + +#include + +int bfin609_pm_enter(suspend_state_t state); +int bf609_pm_prepare(void); +void bf609_pm_finish(void); + +void bf609_hibernate(void); +void bfin_sec_raise_irq(unsigned int sid); +void coreb_enable(void); +#endif diff --git a/arch/blackfin/mach-bf609/pm.c b/arch/blackfin/mach-bf609/pm.c new file mode 100644 index 000000000000..bbc5a79b5e22 --- /dev/null +++ b/arch/blackfin/mach-bf609/pm.c @@ -0,0 +1,310 @@ +/* + * Blackfin bf609 power management + * + * Copyright 2011 Analog Devices Inc. + * + * Licensed under the GPL-2 + */ + +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include + +/***********************************************************/ +/* */ +/* Wakeup Actions for DPM_RESTORE */ +/* */ +/***********************************************************/ +#define BITP_ROM_WUA_CHKHDR 24 +#define BITP_ROM_WUA_DDRLOCK 7 +#define BITP_ROM_WUA_DDRDLLEN 6 +#define BITP_ROM_WUA_DDR 5 +#define BITP_ROM_WUA_CGU 4 +#define BITP_ROM_WUA_MEMBOOT 2 +#define BITP_ROM_WUA_EN 1 + +#define BITM_ROM_WUA_CHKHDR (0xFF000000) +#define ENUM_ROM_WUA_CHKHDR_AD 0xAD000000 + +#define BITM_ROM_WUA_DDRLOCK (0x00000080) +#define BITM_ROM_WUA_DDRDLLEN (0x00000040) +#define BITM_ROM_WUA_DDR (0x00000020) +#define BITM_ROM_WUA_CGU (0x00000010) +#define BITM_ROM_WUA_MEMBOOT (0x00000002) +#define BITM_ROM_WUA_EN (0x00000001) + +/***********************************************************/ +/* */ +/* Syscontrol */ +/* */ +/***********************************************************/ +#define BITP_ROM_SYSCTRL_CGU_LOCKINGEN 28 /* unlocks CGU_CTL register */ +#define BITP_ROM_SYSCTRL_WUA_OVERRIDE 24 +#define BITP_ROM_SYSCTRL_WUA_DDRDLLEN 20 /* Saves the DDR DLL and PADS registers to the DPM registers */ +#define BITP_ROM_SYSCTRL_WUA_DDR 19 /* Saves the DDR registers to the DPM registers */ +#define BITP_ROM_SYSCTRL_WUA_CGU 18 /* Saves the CGU registers into DPM registers */ +#define BITP_ROM_SYSCTRL_WUA_DPMWRITE 17 /* Saves the Syscontrol structure structure contents into DPM registers */ +#define BITP_ROM_SYSCTRL_WUA_EN 16 /* reads current PLL and DDR configuration into structure */ +#define BITP_ROM_SYSCTRL_DDR_WRITE 13 /* writes the DDR registers from Syscontrol structure for wakeup initialization of DDR */ +#define BITP_ROM_SYSCTRL_DDR_READ 12 /* Read the DDR registers into the Syscontrol structure for storing prior to hibernate */ +#define BITP_ROM_SYSCTRL_CGU_AUTODIS 11 /* Disables auto handling of UPDT and ALGN fields */ +#define BITP_ROM_SYSCTRL_CGU_CLKOUTSEL 7 /* access CGU_CLKOUTSEL register */ +#define BITP_ROM_SYSCTRL_CGU_DIV 6 /* access CGU_DIV register */ +#define BITP_ROM_SYSCTRL_CGU_STAT 5 /* access CGU_STAT register */ +#define BITP_ROM_SYSCTRL_CGU_CTL 4 /* access CGU_CTL register */ +#define BITP_ROM_SYSCTRL_CGU_RTNSTAT 2 /* Update structure STAT field upon error */ +#define BITP_ROM_SYSCTRL_WRITE 1 /* write registers */ +#define BITP_ROM_SYSCTRL_READ 0 /* read registers */ + +#define BITM_ROM_SYSCTRL_CGU_READ (0x00000001) /* Read CGU registers */ +#define BITM_ROM_SYSCTRL_CGU_WRITE (0x00000002) /* Write registers */ +#define BITM_ROM_SYSCTRL_CGU_RTNSTAT (0x00000004) /* Update structure STAT field upon error or after a write operation */ +#define BITM_ROM_SYSCTRL_CGU_CTL (0x00000010) /* Access CGU_CTL register */ +#define BITM_ROM_SYSCTRL_CGU_STAT (0x00000020) /* Access CGU_STAT register */ +#define BITM_ROM_SYSCTRL_CGU_DIV (0x00000040) /* Access CGU_DIV register */ +#define BITM_ROM_SYSCTRL_CGU_CLKOUTSEL (0x00000080) /* Access CGU_CLKOUTSEL register */ +#define BITM_ROM_SYSCTRL_CGU_AUTODIS (0x00000800) /* Disables auto handling of UPDT and ALGN fields */ +#define BITM_ROM_SYSCTRL_DDR_READ (0x00001000) /* Reads the contents of the DDR registers and stores them into the structure */ +#define BITM_ROM_SYSCTRL_DDR_WRITE (0x00002000) /* Writes the DDR registers from the structure, only really intented for wakeup functionality and not for full DDR configuration */ +#define BITM_ROM_SYSCTRL_WUA_EN (0x00010000) /* Wakeup entry or exit opertation enable */ +#define BITM_ROM_SYSCTRL_WUA_DPMWRITE (0x00020000) /* When set indicates a restore of the PLL and DDR is to be performed otherwise a save is required */ +#define BITM_ROM_SYSCTRL_WUA_CGU (0x00040000) /* Only applicable for a PLL and DDR save operation to the DPM, saves the current settings if cleared or the contents of the structure if set */ +#define BITM_ROM_SYSCTRL_WUA_DDR (0x00080000) /* Only applicable for a PLL and DDR save operation to the DPM, saves the current settings if cleared or the contents of the structure if set */ +#define BITM_ROM_SYSCTRL_WUA_DDRDLLEN (0x00100000) /* Enables saving/restoring of the DDR DLLCTL register */ +#define BITM_ROM_SYSCTRL_WUA_OVERRIDE (0x01000000) +#define BITM_ROM_SYSCTRL_CGU_LOCKINGEN (0x10000000) /* Unlocks the CGU_CTL register */ + + +/* Structures for the syscontrol() function */ +struct STRUCT_ROM_SYSCTRL { + uint32_t ulCGU_CTL; + uint32_t ulCGU_STAT; + uint32_t ulCGU_DIV; + uint32_t ulCGU_CLKOUTSEL; + uint32_t ulWUA_Flags; + uint32_t ulWUA_BootAddr; + uint32_t ulWUA_User; + uint32_t ulDDR_CTL; + uint32_t ulDDR_CFG; + uint32_t ulDDR_TR0; + uint32_t ulDDR_TR1; + uint32_t ulDDR_TR2; + uint32_t ulDDR_MR; + uint32_t ulDDR_EMR1; + uint32_t ulDDR_EMR2; + uint32_t ulDDR_PADCTL; + uint32_t ulDDR_DLLCTL; + uint32_t ulReserved; +}; + +struct bfin_pm_data { + uint32_t magic; + uint32_t resume_addr; + uint32_t sp; +}; + +struct bfin_pm_data bf609_pm_data; + +struct STRUCT_ROM_SYSCTRL configvalues; +uint32_t dactionflags; + +#define FUNC_ROM_SYSCONTROL 0xC8000080 +__attribute__((l1_data)) +static uint32_t (* const bfrom_SysControl)(uint32_t action_flags, struct STRUCT_ROM_SYSCTRL *settings, void *reserved) = (void *)FUNC_ROM_SYSCONTROL; + +__attribute__((l1_text)) +void bfin_cpu_suspend(void) +{ + __asm__ __volatile__( \ + ".align 8;" \ + "idle;" \ + : : \ + ); +} + +__attribute__((l1_text)) +void bfin_deepsleep(unsigned long mask) +{ + uint32_t dpm0_ctl; + + bfin_write32(DPM0_WAKE_EN, 0x10); + bfin_write32(DPM0_WAKE_POL, 0x10); + dpm0_ctl = bfin_read32(DPM0_CTL); + dpm0_ctl = 0x00000008; + bfin_write32(DPM0_CTL, dpm0_ctl); + SSYNC(); + __asm__ __volatile__( \ + ".align 8;" \ + "idle;" \ + : : \ + ); +} + +__attribute__((l1_text)) +void bf609_ddr_sr(void) +{ + uint32_t reg; + + reg = bfin_read_DDR0_CTL(); + reg |= 0x8; + bfin_write_DDR0_CTL(reg); + + while (!(bfin_read_DDR0_STAT() & 0x8)) + continue; +} + +__attribute__((l1_text)) +void bf609_ddr_sr_exit(void) +{ + uint32_t reg; + while (!(bfin_read_DDR0_STAT() & 0x1)) + continue; + + reg = bfin_read_DDR0_CTL(); + reg &= ~0x8; + bfin_write_DDR0_CTL(reg); + + while ((bfin_read_DDR0_STAT() & 0x8)) + continue; +} + +__attribute__((l1_text)) +void bfin_hibernate_syscontrol(void) +{ + configvalues.ulWUA_Flags = (0xAD000000 | BITM_ROM_WUA_EN + | BITM_ROM_WUA_CGU | BITM_ROM_WUA_DDR | BITM_ROM_WUA_DDRDLLEN); + + dactionflags = (BITM_ROM_SYSCTRL_WUA_EN + | BITM_ROM_SYSCTRL_WUA_DPMWRITE | BITM_ROM_SYSCTRL_WUA_CGU + | BITM_ROM_SYSCTRL_WUA_DDR | BITM_ROM_SYSCTRL_WUA_DDRDLLEN); + + bfrom_SysControl(dactionflags, &configvalues, NULL); + + bfin_write32(DPM0_RESTORE5, bfin_read32(DPM0_RESTORE5) | 4); +} + +#ifndef CONFIG_BF60x +# define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1)) +#else +# define SIC_SYSIRQ(irq) ((irq) - IVG15) +#endif +void bfin_hibernate(unsigned long mask) +{ + bfin_write32(DPM0_WAKE_EN, 0x10); + bfin_write32(DPM0_WAKE_POL, 0x10); + bfin_write32(DPM0_PGCNTR, 0x0000FFFF); + bfin_write32(DPM0_HIB_DIS, 0xFFFF); + + printk(KERN_DEBUG "hibernate: restore %x pgcnt %x\n", bfin_read32(DPM0_RESTORE0), bfin_read32(DPM0_PGCNTR)); + + bf609_hibernate(); +} + +void bf609_cpu_pm_enter(suspend_state_t state) +{ + int error; + error = irq_set_irq_wake(255, 1); + if(error < 0) + printk(KERN_DEBUG "Unable to get irq wake\n"); + error = irq_set_irq_wake(231, 1); + if (error < 0) + printk(KERN_DEBUG "Unable to get irq wake\n"); + + if (state == PM_SUSPEND_STANDBY) + bfin_deepsleep(0xffff); + else { + bfin_hibernate(0xffff); + } +} + +int bf609_cpu_pm_prepare(void) +{ + return 0; +} + +void bf609_cpu_pm_finish(void) +{ + +} + +static struct bfin_cpu_pm_fns bf609_cpu_pm = { + .enter = bf609_cpu_pm_enter, + .prepare = bf609_cpu_pm_prepare, + .finish = bf609_cpu_pm_finish, +}; + +static irqreturn_t test_isr(int irq, void *dev_id) +{ + printk(KERN_DEBUG "gpio irq %d\n", irq); + return IRQ_HANDLED; +} + +static irqreturn_t dpm0_isr(int irq, void *dev_id) +{ + uint32_t wake_stat; + + wake_stat = bfin_read32(DPM0_WAKE_STAT); + printk(KERN_DEBUG "enter %s wake stat %08x\n", __func__, wake_stat); + + bfin_write32(DPM0_WAKE_STAT, wake_stat); + return IRQ_HANDLED; +} + +static int __init bf609_init_pm(void) +{ + int irq; + int error; + error = gpio_request(GPIO_PG4, "gpiopg4"); + if (error < 0) { + printk(KERN_DEBUG "failed to request GPIO %d, error %d\n", + GPIO_PG4, error); + } + + irq = gpio_to_irq(GPIO_PG4); + if (irq < 0) { + error = irq; + printk(KERN_DEBUG "Unable to get irq number for GPIO %d, error %d\n", + GPIO_PG4, error); + } + + printk(KERN_DEBUG "%s gpio %d irq %d\n", __func__, GPIO_PG4, irq); + + error = request_irq(irq, test_isr, IRQF_TRIGGER_FALLING | IRQF_NO_SUSPEND, "gpiopg4", NULL); + if(error < 0) + printk(KERN_DEBUG "Unable to get irq\n"); + +#if 1 + irq = gpio_to_irq(GPIO_PE12); + if (irq < 0) { + error = irq; + printk(KERN_DEBUG "Unable to get irq number for GPIO %d, error %d\n", + GPIO_PE12, error); + } + + error = request_irq(irq, test_isr, IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND, "gpiope12", NULL); + if(error < 0) + printk(KERN_DEBUG "Unable to get irq\n"); +#endif + + error = request_irq(IRQ_CGU_EVT, dpm0_isr, IRQF_NO_SUSPEND, "cgu0 event", NULL); + if(error < 0) + printk(KERN_DEBUG "Unable to get irq\n"); + + error = request_irq(IRQ_DPM, dpm0_isr, IRQF_NO_SUSPEND, "dpm0 event", NULL); + if (error < 0) + printk(KERN_DEBUG "Unable to get irq\n"); + + bfin_cpu_pm = &bf609_cpu_pm; + return 0; +} + +late_initcall(bf609_init_pm); diff --git a/arch/blackfin/mach-common/Makefile b/arch/blackfin/mach-common/Makefile index ff299f24aba0..75f0ba29ebb9 100644 --- a/arch/blackfin/mach-common/Makefile +++ b/arch/blackfin/mach-common/Makefile @@ -6,7 +6,10 @@ obj-y := \ cache.o cache-c.o entry.o head.o \ interrupt.o arch_checks.o ints-priority.o -obj-$(CONFIG_PM) += pm.o dpmc_modes.o +obj-$(CONFIG_PM) += pm.o +ifneq ($(CONFIG_BF60x),y) +obj-$(CONFIG_PM) += dpmc_modes.o +endif obj-$(CONFIG_CPU_FREQ) += cpufreq.o obj-$(CONFIG_CPU_VOLTAGE) += dpmc.o obj-$(CONFIG_SMP) += smp.o diff --git a/arch/blackfin/mach-common/dpmc_modes.S b/arch/blackfin/mach-common/dpmc_modes.S index 1c534d298de4..2bec509cd7e2 100644 --- a/arch/blackfin/mach-common/dpmc_modes.S +++ b/arch/blackfin/mach-common/dpmc_modes.S @@ -10,7 +10,7 @@ #include .section .l1.text - +#ifndef CONFIG_BF60x ENTRY(_sleep_mode) [--SP] = (R7:4, P5:3); [--SP] = RETS; @@ -49,6 +49,7 @@ ENTRY(_sleep_mode) (R7:4, P5:3) = [SP++]; RTS; ENDPROC(_sleep_mode) +#endif /* * This func never returns as it puts the part into hibernate, and @@ -58,12 +59,14 @@ ENDPROC(_sleep_mode) * * We accept just one argument -- the value to write to VR_CTL. */ + ENTRY(_hibernate_mode) /* Save/setup the regs we need early for minor pipeline optimization */ R4 = R0; + +#ifndef CONFIG_BF60x P3.H = hi(VR_CTL); P3.L = lo(VR_CTL); - /* Disable all wakeup sources */ R0 = IWR_DISABLE_ALL; R1 = IWR_DISABLE_ALL; @@ -71,6 +74,7 @@ ENTRY(_hibernate_mode) call _set_sic_iwr; call _set_dram_srfs; SSYNC; +#endif /* Finally, we climb into our cave to hibernate */ W[P3] = R4.L; @@ -80,6 +84,7 @@ ENTRY(_hibernate_mode) jump .Lforever; ENDPROC(_hibernate_mode) +#ifndef CONFIG_BF60x ENTRY(_sleep_deeper) [--SP] = (R7:4, P5:3); [--SP] = RETS; @@ -274,329 +279,13 @@ ENTRY(_test_pll_locked) IF !CC JUMP 1b; RTS; ENDPROC(_test_pll_locked) +#endif .section .text - -#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) - ENTRY(_do_hibernate) - /* - * 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; - [--sp] = CYCLES; - [--sp] = CYCLES2; - [--sp] = SYSCFG; - [--sp] = RETX; - [--sp] = SEQSTAT; - [--sp] = r7; - - /* Save first func arg in M3 */ - M3 = R0; - - /* 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 - PM_SYS_PUSH(0, SIC_IMASK) -#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 - - PM_SYS_PUSH16(6, SYSCR) - - PM_SYS_PUSH16(7, EBIU_AMGCTL) - PM_SYS_PUSH(8, EBIU_AMBCTL0) - PM_SYS_PUSH(9, EBIU_AMBCTL1) -#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 - - /* 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); - - /* 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) - - /* Event Vectors */ - FP = B1; - PM_PUSH(8, EVT2) - PM_PUSH(9, EVT3) - FP += 4; /* EVT4 */ - PM_PUSH(10, EVT5) - PM_PUSH(11, EVT6) - PM_PUSH(12, EVT7) - PM_PUSH(13, EVT8) - PM_PUSH_SYNC(13) - 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) + bfin_cpu_reg_save; + bfin_sys_mmr_save; + bfin_core_mmr_save; /* Setup args to hibernate mode early for pipeline optimization */ R0 = M3; @@ -618,274 +307,9 @@ ENTRY(_do_hibernate) .Lpm_resume_here: - /* 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); - - /* Misc non-contiguous registers */ - FP = I0; - PM_POP_SYNC(2) - PM_CORE_POP(2, TBUFCTL) - PM_CORE_POP(1, IMEM_CONTROL) - PM_CORE_POP(0, DMEM_CONTROL) - - /* Core Timer */ - PM_POP_SYNC(13) - FP = B3; - PM_POP(13, TCOUNT) - PM_POP(12, TSCALE) - PM_POP(11, TPERIOD) - PM_POP(10, TCNTL) - - /* CEC */ - FP = B2; - PM_POP(9, IPRIO) - PM_POP(8, ILAT) - FP += -4; /* IPEND */ - PM_POP(7, IMASK) - - /* Event Vectors */ - FP = B1; - PM_POP(6, EVT15) - PM_POP(5, EVT14) - PM_POP(4, EVT13) - PM_POP(3, EVT12) - PM_POP(2, EVT11) - PM_POP(1, EVT10) - PM_POP(0, EVT9) - PM_POP_SYNC(13) - PM_POP(13, EVT8) - PM_POP(12, EVT7) - PM_POP(11, EVT6) - PM_POP(10, EVT5) - FP += -4; /* EVT4 */ - PM_POP(9, EVT3) - PM_POP(8, EVT2) - - /* ICPLB Data */ - FP = B0; - 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) - PM_POP(1, ICPLB_ADDR11) - PM_POP(0, ICPLB_ADDR10) - PM_POP_SYNC(13) - PM_POP(13, ICPLB_ADDR9) - PM_POP(12, ICPLB_ADDR8) - PM_POP(11, ICPLB_ADDR7) - PM_POP(10, ICPLB_ADDR6) - PM_POP(9, ICPLB_ADDR5) - PM_POP(8, ICPLB_ADDR4) - PM_POP(7, ICPLB_ADDR3) - PM_POP(6, ICPLB_ADDR2) - PM_POP(5, ICPLB_ADDR1) - PM_POP(4, ICPLB_ADDR0) - - /* DCPLB Data */ - FP = I2; - PM_POP(3, DCPLB_DATA15) - PM_POP(2, DCPLB_DATA14) - PM_POP(1, DCPLB_DATA13) - PM_POP(0, DCPLB_DATA12) - PM_POP_SYNC(13) - PM_POP(13, DCPLB_DATA11) - PM_POP(12, DCPLB_DATA10) - PM_POP(11, DCPLB_DATA9) - PM_POP(10, DCPLB_DATA8) - PM_POP(9, DCPLB_DATA7) - PM_POP(8, DCPLB_DATA6) - PM_POP(7, DCPLB_DATA5) - PM_POP(6, DCPLB_DATA4) - PM_POP(5, DCPLB_DATA3) - PM_POP(4, DCPLB_DATA2) - PM_POP(3, DCPLB_DATA1) - PM_POP(2, DCPLB_DATA0) - - /* DCPLB Addr */ - FP = I1; - PM_POP(1, DCPLB_ADDR15) - PM_POP(0, DCPLB_ADDR14) - PM_POP_SYNC(13) - PM_POP(13, DCPLB_ADDR13) - PM_POP(12, DCPLB_ADDR12) - PM_POP(11, DCPLB_ADDR11) - PM_POP(10, DCPLB_ADDR10) - PM_POP(9, DCPLB_ADDR9) - PM_POP(8, DCPLB_ADDR8) - PM_POP(7, DCPLB_ADDR7) - PM_POP(6, DCPLB_ADDR6) - PM_POP(5, DCPLB_ADDR5) - PM_POP(4, DCPLB_ADDR4) - PM_POP(3, DCPLB_ADDR3) - PM_POP(2, DCPLB_ADDR2) - PM_POP(1, DCPLB_ADDR1) - PM_POP(0, DCPLB_ADDR0) - - /* 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 - PM_SYS_POP(9, EBIU_AMBCTL1) - PM_SYS_POP(8, EBIU_AMBCTL0) - PM_SYS_POP16(7, EBIU_AMGCTL) - - PM_SYS_POP16(6, SYSCR) - -#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 - PM_SYS_POP(0, SIC_IMASK) -#endif - - /* Restore Core Registers */ - RETI = [sp++]; - SEQSTAT = [sp++]; - RETX = [sp++]; - SYSCFG = [sp++]; - CYCLES2 = [sp++]; - CYCLES = [sp++]; - 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++]; + bfin_core_mmr_restore; + bfin_sys_mmr_restore; + bfin_cpu_reg_restore; [--sp] = RETI; /* Clear Global Interrupt Disable */ SP += 4; diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c index 3c648a077e75..c25c2f1c819c 100644 --- a/arch/blackfin/mach-common/pm.c +++ b/arch/blackfin/mach-common/pm.c @@ -19,20 +19,33 @@ #include #include #include +#include +#ifdef CONFIG_BF60x +struct bfin_cpu_pm_fns *bfin_cpu_pm; +#endif void bfin_pm_suspend_standby_enter(void) { +#ifndef CONFIG_BF60x bfin_pm_standby_setup(); +#endif -#ifdef CONFIG_PM_BFIN_SLEEP_DEEPER - sleep_deeper(bfin_sic_iwr[0], bfin_sic_iwr[1], bfin_sic_iwr[2]); +#ifdef CONFIG_BF60x + bfin_cpu_pm->enter(PM_SUSPEND_STANDBY); #else +# ifdef CONFIG_PM_BFIN_SLEEP_DEEPER + sleep_deeper(bfin_sic_iwr[0], bfin_sic_iwr[1], bfin_sic_iwr[2]); +# else sleep_mode(bfin_sic_iwr[0], bfin_sic_iwr[1], bfin_sic_iwr[2]); +# endif #endif +#ifndef CONFIG_BF60x bfin_pm_standby_restore(); +#endif +#ifndef CONFIG_BF60x #ifdef SIC_IWR0 bfin_write_SIC_IWR0(IWR_DISABLE_ALL); # ifdef SIC_IWR1 @@ -52,6 +65,8 @@ void bfin_pm_suspend_standby_enter(void) #else bfin_write_SIC_IWR(IWR_DISABLE_ALL); #endif + +#endif } int bf53x_suspend_l1_mem(unsigned char *memptr) @@ -83,10 +98,13 @@ int bf53x_resume_l1_mem(unsigned char *memptr) } #if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK) +# ifdef CONFIG_BF60x +__attribute__((l1_text)) +# endif static void flushinv_all_dcache(void) { - u32 way, bank, subbank, set; - u32 status, addr; + register u32 way, bank, subbank, set; + register u32 status, addr; u32 dmem_ctl = bfin_read_DMEM_CONTROL(); for (bank = 0; bank < 2; ++bank) { @@ -133,7 +151,11 @@ int bfin_pm_suspend_mem_enter(void) return -ENOMEM; } +#ifndef CONFIG_BF60x wakeup = bfin_read_VR_CTL() & ~FREQ; +#else + +#endif wakeup |= SCKELOW; #ifdef CONFIG_PM_BFIN_WAKE_PH6 @@ -159,7 +181,11 @@ int bfin_pm_suspend_mem_enter(void) _disable_icplb(); bf53x_suspend_l1_mem(memptr); +#ifndef CONFIG_BF60x do_hibernate(wakeup | vr_wakeup); /* See you later! */ +#else + bfin_cpu_pm->enter(PM_SUSPEND_MEM); +#endif bf53x_resume_l1_mem(memptr); -- 2.11.0