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Blackfin arch: clear EMAC_SYSTAT during IRQ init rather than early head.S as we dont need it setup that early

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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2008-08-14 15:05:01 +08:00 committed by Bryan Wu
parent c991dd92ab
commit 95a86b5e51
3 changed files with 5 additions and 18 deletions
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9
arch/blackfin/mach-bf527/head.S
View File

@ -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);

9
arch/blackfin/mach-bf537/head.S
View File

@ -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);

5
arch/blackfin/mach-common/ints-priority.c
View File

@ -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;