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authorRobin Getz <rgetz@blackfin.uclinux.org>2008-10-13 11:37:34 +0800
committerBryan Wu <cooloney@kernel.org>2008-10-13 11:37:34 +0800
commit71de1f8a6365ea65346881e526132563d93696d1 (patch)
treec15705934dbbece64b6c570123d38cce3c57091b /arch/blackfin
parente9fae189caae7c1cf306e30f5b67c6d226ed69cf (diff)
downloadop-kernel-dev-71de1f8a6365ea65346881e526132563d93696d1.zip
op-kernel-dev-71de1f8a6365ea65346881e526132563d93696d1.tar.gz
Blackfin arch: make sure we include the fix for SPORT hysteresis when reprogramming clocks
As pointed out by Appalayagari Sreedhar, make sure we include the fix for SPORT hysteresis when reprogramming clocks. Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/mach-bf527/head.S3
-rw-r--r--arch/blackfin/mach-bf533/head.S3
-rw-r--r--arch/blackfin/mach-bf537/head.S3
-rw-r--r--arch/blackfin/mach-bf548/head.S3
-rw-r--r--arch/blackfin/mach-bf561/head.S3
5 files changed, 15 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S
index 28c4861..6588170 100644
--- a/arch/blackfin/mach-bf527/head.S
+++ b/arch/blackfin/mach-bf527/head.S
@@ -87,6 +87,9 @@ ENTRY(_start_dma_code)
r1 = PLL_BYPASS; /* Bypass the PLL? */
r1 = r1 << 8; /* Shift it over */
r0 = r1 | r0; /* add them all together */
+#ifdef ANOMALY_05000265
+ r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */
+#endif
p0.h = hi(PLL_CTL);
p0.l = lo(PLL_CTL); /* Load the address */
diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S
index 01b2b7e..619685b 100644
--- a/arch/blackfin/mach-bf533/head.S
+++ b/arch/blackfin/mach-bf533/head.S
@@ -78,6 +78,9 @@ ENTRY(_start_dma_code)
r1 = PLL_BYPASS; /* Bypass the PLL? */
r1 = r1 << 8; /* Shift it over */
r0 = r1 | r0; /* add them all together */
+#ifdef ANOMALY_05000265
+ r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */
+#endif
p0.h = hi(PLL_CTL);
p0.l = lo(PLL_CTL); /* Load the address */
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index 12eb5cc..559a7ee 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -87,6 +87,9 @@ ENTRY(_start_dma_code)
r1 = PLL_BYPASS; /* Bypass the PLL? */
r1 = r1 << 8; /* Shift it over */
r0 = r1 | r0; /* add them all together */
+#ifdef ANOMALY_05000265
+ r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */
+#endif
p0.h = hi(PLL_CTL);
p0.l = lo(PLL_CTL); /* Load the address */
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index b062816..051b05c 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -94,6 +94,9 @@ ENTRY(_start_dma_code)
r1 = PLL_BYPASS; /* Bypass the PLL? */
r1 = r1 << 8; /* Shift it over */
r0 = r1 | r0; /* add them all together */
+#ifdef ANOMALY_05000265
+ r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */
+#endif
p0.h = hi(PLL_CTL);
p0.l = lo(PLL_CTL); /* Load the address */
diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S
index 75ea6a9..0b28137 100644
--- a/arch/blackfin/mach-bf561/head.S
+++ b/arch/blackfin/mach-bf561/head.S
@@ -77,6 +77,9 @@ ENTRY(_start_dma_code)
r1 = PLL_BYPASS; /* Bypass the PLL? */
r1 = r1 << 8; /* Shift it over */
r0 = r1 | r0; /* add them all together */
+#ifdef ANOMALY_05000265
+ r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */
+#endif
p0.h = hi(PLL_CTL);
p0.l = lo(PLL_CTL); /* Load the address */
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