[Blackfin] arch: Add some comments - fix semicolons
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/arch/blackfin/mach-common/dpmc.S b/arch/blackfin/mach-common/dpmc.S
index 301ac1b..b82c096e 100644
--- a/arch/blackfin/mach-common/dpmc.S
+++ b/arch/blackfin/mach-common/dpmc.S
@@ -175,7 +175,7 @@
call _set_sic_iwr;
R0 = 0xFFFF (Z);
- call _set_rtc_istat
+ call _set_rtc_istat;
P0.H = hi(PLL_CTL);
P0.L = lo(PLL_CTL);
@@ -213,7 +213,7 @@
call _set_sic_iwr;
R0 = 0xFFFF (Z);
- call _set_rtc_istat
+ call _set_rtc_istat;
P0.H = hi(VR_CTL);
P0.L = lo(VR_CTL);
@@ -288,23 +288,22 @@
P3 = R0;
R0 = IWR_ENABLE(0);
call _set_sic_iwr;
- call _set_dram_srfs;
+ call _set_dram_srfs; /* Set SDRAM Self Refresh */
/* Clear all the interrupts,bits sticky */
R0 = 0xFFFF (Z);
- call _set_rtc_istat
-
+ call _set_rtc_istat;
P0.H = hi(PLL_DIV);
P0.L = lo(PLL_DIV);
R6 = W[P0](z);
R0.L = 0xF;
- W[P0] = R0.l;
+ W[P0] = R0.l; /* Set Max VCO to SCLK divider */
P0.H = hi(PLL_CTL);
P0.L = lo(PLL_CTL);
R5 = W[P0](z);
R0.L = (CONFIG_MIN_VCO_HZ/CONFIG_CLKIN_HZ) << 9;
- W[P0] = R0.l;
+ W[P0] = R0.l; /* Set Min CLKIN to VCO multiplier */
SSYNC;
IDLE;
@@ -320,29 +319,28 @@
R1 = R1|R2;
R2 = DEPOSIT(R7, R1);
- W[P0] = R2;
+ W[P0] = R2; /* Set Min Core Voltage */
SSYNC;
IDLE;
call _test_pll_locked;
+ R0 = P3;
+ call _set_sic_iwr; /* Set Awake from IDLE */
+
P0.H = hi(PLL_CTL);
P0.L = lo(PLL_CTL);
R0 = W[P0](z);
BITSET (R0, 3);
- W[P0] = R0.L;
-
- R0 = P3;
- call _set_sic_iwr;
-
+ W[P0] = R0.L; /* Turn CCLK OFF */
SSYNC;
IDLE;
call _test_pll_locked;
R0 = IWR_ENABLE(0);
- call _set_sic_iwr;
+ call _set_sic_iwr; /* Set Awake from IDLE PLL */
P0.H = hi(VR_CTL);
P0.L = lo(VR_CTL);
@@ -355,15 +353,15 @@
P0.H = hi(PLL_DIV);
P0.L = lo(PLL_DIV);
- W[P0]= R6;
+ W[P0]= R6; /* Restore CCLK and SCLK divider */
P0.H = hi(PLL_CTL);
P0.L = lo(PLL_CTL);
- w[p0] = R5;
+ w[p0] = R5; /* Restore VCO multiplier */
IDLE;
call _test_pll_locked;
- call _unset_dram_srfs;
+ call _unset_dram_srfs; /* SDRAM Self Refresh Off */
STI R4;