[Blackfin] arch: Fix bug to Enable kernel to build for bf548 with PM.

[karo-tx-linux.git] / arch / blackfin / mach-common / dpmc.S

diff --git a/arch/blackfin/mach-common/dpmc.S b/arch/blackfin/mach-common/dpmc.S
index 39fbc2861107b53b90d9641e68973434d7a63a47..301ac1b6681f9b938e5001e20a9283dafbce11e3 100644 (file)
--- a/arch/blackfin/mach-common/dpmc.S
+++ b/arch/blackfin/mach-common/dpmc.S
@@ -38,6 +38,9 @@ ENTRY(_unmask_wdog_wakeup_evt)
 #if defined(CONFIG_BF561)
        P0.H = hi(SICA_IWR1);
        P0.L = lo(SICA_IWR1);
+#elif defined(CONFIG_BF54x) || defined(CONFIG_BF52x)
+       P0.h = HI(SIC_IWR0);
+       P0.l = LO(SIC_IWR0);
 #else
        P0.h = HI(SIC_IWR);
        P0.l = LO(SIC_IWR);
@@ -236,7 +239,7 @@ ENTRY(_deep_sleep)
 
        call _set_sic_iwr;
 
-       call _set_sdram_srfs;
+       call _set_dram_srfs;
 
        /* Clear all the interrupts,bits sticky */
        R0 = 0xFFFF (Z);
@@ -253,7 +256,7 @@ ENTRY(_deep_sleep)
        SSYNC;
        IDLE;
 
-       call _unset_sdram_srfs;
+       call _unset_dram_srfs;
 
        call _test_pll_locked;
 
@@ -285,7 +288,7 @@ ENTRY(_sleep_deeper)
        P3 = R0;
        R0 = IWR_ENABLE(0);
        call _set_sic_iwr;
-       call _set_sdram_srfs;
+       call _set_dram_srfs;
 
        /* Clear all the interrupts,bits sticky */
        R0 = 0xFFFF (Z);
@@ -360,7 +363,7 @@ ENTRY(_sleep_deeper)
        IDLE;
        call _test_pll_locked;
 
-       call _unset_sdram_srfs;
+       call _unset_dram_srfs;
 
        STI R4;
 
@@ -368,25 +371,47 @@ ENTRY(_sleep_deeper)
        ( R7:0, P5:0 ) = [SP++];
        RTS;
 
-ENTRY(_set_sdram_srfs)
-       /*  set the sdram to self refresh mode */
+ENTRY(_set_dram_srfs)
+       /*  set the dram to self refresh mode */
+#if defined(CONFIG_BF54x)
+       P0.H = hi(EBIU_RSTCTL);
+       P0.L = lo(EBIU_RSTCTL);
+       R2 = [P0];
+       R3.H = hi(SRREQ);
+       R3.L = lo(SRREQ);
+#else
        P0.H = hi(EBIU_SDGCTL);
        P0.L = lo(EBIU_SDGCTL);
        R2 = [P0];
        R3.H = hi(SRFS);
        R3.L = lo(SRFS);
+#endif
        R2 = R2|R3;
        [P0] = R2;
        ssync;
+#if defined(CONFIG_BF54x)
+.LSRR_MODE:
+       R2 = [P0];
+       CC = BITTST(R2, 4);
+       if !CC JUMP .LSRR_MODE;
+#endif
        RTS;
 
-ENTRY(_unset_sdram_srfs)
-       /*  set the sdram out of self refresh mode */
+ENTRY(_unset_dram_srfs)
+       /*  set the dram out of self refresh mode */
+#if defined(CONFIG_BF54x)
+       P0.H = hi(EBIU_RSTCTL);
+       P0.L = lo(EBIU_RSTCTL);
+       R2 = [P0];
+       R3.H = hi(SRREQ);
+       R3.L = lo(SRREQ);
+#else
        P0.H = hi(EBIU_SDGCTL);
        P0.L = lo(EBIU_SDGCTL);
        R2 = [P0];
        R3.H = hi(SRFS);
        R3.L = lo(SRFS);
+#endif
        R3 = ~R3;
        R2 = R2&R3;
        [P0] = R2;
@@ -394,8 +419,13 @@ ENTRY(_unset_sdram_srfs)
        RTS;
 
 ENTRY(_set_sic_iwr)
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x)
+       P0.H = hi(SIC_IWR0);
+       P0.L = lo(SIC_IWR0);
+#else
        P0.H = hi(SIC_IWR);
        P0.L = lo(SIC_IWR);
+#endif
        [P0] = R0;
        SSYNC;
        RTS;