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authorMike Frysinger <vapier.adi@gmail.com>2008-08-14 15:05:01 +0800
committerBryan Wu <cooloney@kernel.org>2008-08-14 15:05:01 +0800
commit95a86b5e51139a199d081b6b108e761966d914ef (patch)
tree5eb44da84ab8d13e3362fa7d04eb450438785500
parentc991dd92ab150c0b4ba531105aad5612bb0dafba (diff)
Blackfin arch: clear EMAC_SYSTAT during IRQ init rather than early head.S as we dont need it setup that early
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
-rw-r--r--arch/blackfin/mach-bf527/head.S9
-rw-r--r--arch/blackfin/mach-bf537/head.S9
-rw-r--r--arch/blackfin/mach-common/ints-priority.c5
3 files changed, 5 insertions, 18 deletions
diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S
index 2cc46f8fa9a..fa4b18eddf6 100644
--- a/arch/blackfin/mach-bf527/head.S
+++ b/arch/blackfin/mach-bf527/head.S
@@ -40,15 +40,6 @@
__INIT
ENTRY(_mach_early_start)
-#if defined(CONFIG_BF527)
- p0.h = hi(EMAC_SYSTAT);
- p0.l = lo(EMAC_SYSTAT);
- R0.h = 0xFFFF; /* Clear EMAC Interrupt Status bits */
- R0.l = 0xFFFF;
- [P0] = R0;
- SSYNC;
-#endif
-
/* Initialise UART - when booting from u-boot, the UART is not disabled
* so if we dont initalize here, our serial console gets hosed */
p0.h = hi(UART1_LCR);
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index c02c8ce2d96..ba81b779511 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -54,15 +54,6 @@ ENTRY(_mach_early_start)
W[P0] = R0.L;
SSYNC;
-#if !defined(CONFIG_BF534)
- p0.h = hi(EMAC_SYSTAT);
- p0.l = lo(EMAC_SYSTAT);
- R0.h = 0xFFFF; /* Clear EMAC Interrupt Status bits */
- R0.l = 0xFFFF;
- [P0] = R0;
- SSYNC;
-#endif
-
/* Initialise UART - when booting from u-boot, the UART is not disabled
* so if we dont initalize here, our serial console gets hosed */
p0.h = hi(BFIN_UART_LCR);
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 7f9df4ee734..62f8883a5c2 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -983,6 +983,11 @@ int __init init_arch_irq(void)
local_irq_disable();
+#if defined(CONFIG_BF527) || defined(CONFIG_BF536) || defined(CONFIG_BF537)
+ /* Clear EMAC Interrupt Status bits so we can demux it later */
+ bfin_write_EMAC_SYSTAT(-1);
+#endif
+
#ifdef CONFIG_BF54x
# ifdef CONFIG_PINTx_REASSIGN
pint[0]->assign = CONFIG_PINT0_ASSIGN;