From 95a86b5e51139a199d081b6b108e761966d914ef Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 14 Aug 2008 15:05:01 +0800 Subject: [PATCH] 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 Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/head.S | 9 --------- arch/blackfin/mach-bf537/head.S | 9 --------- arch/blackfin/mach-common/ints-priority.c | 5 +++++ 3 files changed, 5 insertions(+), 18 deletions(-) diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S index 2cc46f8..fa4b18e 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 c02c8ce..ba81b77 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 7f9df4e..62f8883 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; -- 1.8.2.3