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-rw-r--r--arch/blackfin/mach-bf609/dpm.S158
1 files changed, 0 insertions, 158 deletions
diff --git a/arch/blackfin/mach-bf609/dpm.S b/arch/blackfin/mach-bf609/dpm.S
deleted file mode 100644
index fcb8f688a8b2..000000000000
--- a/arch/blackfin/mach-bf609/dpm.S
+++ /dev/null
@@ -1,158 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/linkage.h>
-#include <asm/blackfin.h>
-#include <asm/dpmc.h>
-
-#include <asm/context.S>
-
-#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);
-
- bfin_init_pm_bench_cycles;
-
- [P0] = R3;
-
- SSYNC;
-ENDPROC(_enter_hibernate)
-
-/* DPM wake up interrupt won't wake up core on bf60x if its core IMASK
- * is disabled. This behavior differ from bf5xx serial processor.
- */
-ENTRY(_dummy_deepsleep)
- [--sp] = SYSCFG;
- [--sp] = (R7:0,P5:0);
- cli r0;
-
- /* get wake up interrupt ID */
- P0.l = LO(SEC_SCI_BASE + SEC_CSID);
- P0.h = HI(SEC_SCI_BASE + SEC_CSID);
- R0 = [P0];
-
- /* ACK wake up interrupt in SEC */
- P1.l = LO(SEC_END);
- P1.h = HI(SEC_END);
-
- [P1] = R0;
- SSYNC;
-
- /* restore EVT 11 entry */
- p0.h = hi(EVT11);
- p0.l = lo(EVT11);
- p1.h = _evt_evt11;
- p1.l = _evt_evt11;
-
- [p0] = p1;
- SSYNC;
-
- (R7:0,P5:0) = [sp++];
- SYSCFG = [sp++];
- RTI;
-ENDPROC(_dummy_deepsleep)
-
-ENTRY(_enter_deepsleep)
- LINK 0xC;
- [--sp] = (R7:0,P5:0);
-
- /* Change EVT 11 entry to dummy handler for wake up event */
- p0.h = hi(EVT11);
- p0.l = lo(EVT11);
- p1.h = _dummy_deepsleep;
- p1.l = _dummy_deepsleep;
-
- [p0] = p1;
-
- P0.H = HI(PM_STACK);
- P0.L = LO(PM_STACK);
-
- EX_SCRATCH_REG = SP;
- SP = P0;
-
- SSYNC;
-
- /* should put ddr to self refresh mode before sleep */
- call _bf609_ddr_sr;
-
- /* Set DPM controller to deep sleep mode */
- P0.H = HI(DPM0_CTL);
- P0.L = LO(DPM0_CTL);
- R3.H = HI(0x00000008);
- R3.L = LO(0x00000008);
- [P0] = R3;
- CSYNC;
-
- /* Enable evt 11 in IMASK before idle, otherwise core doesn't wake up. */
- r0.l = 0x800;
- r0.h = 0;
- sti r0;
- SSYNC;
-
- bfin_init_pm_bench_cycles;
-
- /* Fall into deep sleep in idle*/
- idle;
- SSYNC;
-
- /* Restore PLL after wake up from deep sleep */
- call _bf609_resume_ccbuf;
-
- /* turn ddr out of self refresh mode */
- call _bf609_ddr_sr_exit;
-
- SP = EX_SCRATCH_REG;
-
- (R7:0,P5:0) = [SP++];
- UNLINK;
- RTS;
-ENDPROC(_enter_deepsleep)
-
-.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)
-