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yaml
---
r: 113781
b: refs/heads/master
c: 6d0b8c9
h: refs/heads/master
i:
  113779: 75eee71
v: v3
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Mike Frysinger authored and Bryan Wu committed Oct 10, 2008
1 parent 1a1f20c commit deb0d48
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Showing 2 changed files with 5 additions and 46 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f5623a3cf27284f5121296dec847a8f75e5d0691
refs/heads/master: 6d0b8c993dc0a26fe7a9ee8b839d1964bd0debd4
49 changes: 4 additions & 45 deletions trunk/arch/blackfin/mach-bf548/head.S
Original file line number Diff line number Diff line change
Expand Up @@ -73,25 +73,19 @@ ENTRY(_start_dma_code)
w[p0] = r0.l;
ssync;

#if defined(CONFIG_BF54x)
/* enable self refresh via SRREQ */
P2.H = hi(EBIU_RSTCTL);
P2.L = lo(EBIU_RSTCTL);
R0 = [P2];
BITSET (R0, 3);
#else
P2.H = hi(EBIU_SDGCTL);
P2.L = lo(EBIU_SDGCTL);
R0 = [P2];
BITSET (R0, 24);
#endif
[P2] = R0;
SSYNC;
#if defined(CONFIG_BF54x)

/* wait for SRACK bit to be set */
.LSRR_MODE:
R0 = [P2];
CC = BITTST(R0, 4);
if !CC JUMP .LSRR_MODE;
#endif

r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */
r0 = r0 << 9; /* Shift it over, */
Expand Down Expand Up @@ -123,7 +117,7 @@ ENTRY(_start_dma_code)
w[p0] = r0.l;
ssync;

#if defined(CONFIG_BF54x)
/* disable self refresh by clearing SRREQ */
P2.H = hi(EBIU_RSTCTL);
P2.L = lo(EBIU_RSTCTL);
R0 = [P2];
Expand Down Expand Up @@ -155,41 +149,6 @@ ENTRY(_start_dma_code)
r0.h = hi(mem_DDRCTL2);
[p0] = r0;
ssync;
#else
p0.l = lo(EBIU_SDRRC);
p0.h = hi(EBIU_SDRRC);
r0 = mem_SDRRC;
w[p0] = r0.l;
ssync;

p0.l = LO(EBIU_SDBCTL);
p0.h = HI(EBIU_SDBCTL); /* SDRAM Memory Bank Control Register */
r0 = mem_SDBCTL;
w[p0] = r0.l;
ssync;

P2.H = hi(EBIU_SDGCTL);
P2.L = lo(EBIU_SDGCTL);
R0 = [P2];
BITCLR (R0, 24);
p0.h = hi(EBIU_SDSTAT);
p0.l = lo(EBIU_SDSTAT);
r2.l = w[p0];
cc = bittst(r2,3);
if !cc jump .Lskip;
NOP;
BITSET (R0, 23);
.Lskip:
[P2] = R0;
SSYNC;

R0.L = lo(mem_SDGCTL);
R0.H = hi(mem_SDGCTL);
R1 = [p2];
R1 = R1 | R0;
[P2] = R1;
SSYNC;
#endif

RTS;
ENDPROC(_start_dma_code)
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