From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Fri, 28 Oct 2011 15:43:38 +0100 Subject: [PATCH 10/51] ARM: mach-footbridge: use arm_arch_reset instead of arch_reset In-Reply-To: <1319813059-8914-1-git-send-email-will.deacon@arm.com> References: <1319813059-8914-1-git-send-email-will.deacon@arm.com> Message-ID: <1319813059-8914-11-git-send-email-will.deacon@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch updates mach-footbridge to use arm_arch_reset instead of arch_reset. Signed-off-by: Will Deacon --- arch/arm/mach-footbridge/Makefile | 2 +- arch/arm/mach-footbridge/include/mach/system.h | 46 ---------------- arch/arm/mach-footbridge/reset.c | 69 ++++++++++++++++++++++++ 3 files changed, 70 insertions(+), 47 deletions(-) create mode 100644 arch/arm/mach-footbridge/reset.c diff --git a/arch/arm/mach-footbridge/Makefile b/arch/arm/mach-footbridge/Makefile index 3afb1b2..39821ce 100644 --- a/arch/arm/mach-footbridge/Makefile +++ b/arch/arm/mach-footbridge/Makefile @@ -4,7 +4,7 @@ # Object file lists. -obj-y := common.o dc21285.o dma.o isa-irq.o +obj-y := common.o dc21285.o dma.o isa-irq.o reset.o obj-m := obj-n := obj- := diff --git a/arch/arm/mach-footbridge/include/mach/system.h b/arch/arm/mach-footbridge/include/mach/system.h index 0b29315..0c19392 100644 --- a/arch/arm/mach-footbridge/include/mach/system.h +++ b/arch/arm/mach-footbridge/include/mach/system.h @@ -20,50 +20,4 @@ static inline void arch_idle(void) static inline void arch_reset(char mode, const char *cmd) { - if (mode == 's') { - /* - * Jump into the ROM - */ - cpu_reset(0x41000000); - } else { - if (machine_is_netwinder()) { - /* open up the SuperIO chip - */ - outb(0x87, 0x370); - outb(0x87, 0x370); - - /* aux function group 1 (logical device 7) - */ - outb(0x07, 0x370); - outb(0x07, 0x371); - - /* set GP16 for WD-TIMER output - */ - outb(0xe6, 0x370); - outb(0x00, 0x371); - - /* set a RED LED and toggle WD_TIMER for rebooting - */ - outb(0xc4, 0x338); - } else { - /* - * Force the watchdog to do a CPU reset. - * - * After making sure that the watchdog is disabled - * (so we can change the timer registers) we first - * enable the timer to autoreload itself. Next, the - * timer interval is set really short and any - * current interrupt request is cleared (so we can - * see an edge transition). Finally, TIMER4 is - * enabled as the watchdog. - */ - *CSR_SA110_CNTL &= ~(1 << 13); - *CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE | - TIMER_CNTL_AUTORELOAD | - TIMER_CNTL_DIV16; - *CSR_TIMER4_LOAD = 0x2; - *CSR_TIMER4_CLR = 0; - *CSR_SA110_CNTL |= (1 << 13); - } - } } diff --git a/arch/arm/mach-footbridge/reset.c b/arch/arm/mach-footbridge/reset.c new file mode 100644 index 0000000..f61e559 --- /dev/null +++ b/arch/arm/mach-footbridge/reset.c @@ -0,0 +1,69 @@ +/* + * arch/arm/mach-footbridge/reset.c + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +static void footbridge_arch_reset(char mode, const char *cmd) +{ + if (mode == 's') { + /* + * Jump into the ROM + */ + cpu_reset(0x41000000); + } else { + if (machine_is_netwinder()) { + /* open up the SuperIO chip + */ + outb(0x87, 0x370); + outb(0x87, 0x370); + + /* aux function group 1 (logical device 7) + */ + outb(0x07, 0x370); + outb(0x07, 0x371); + + /* set GP16 for WD-TIMER output + */ + outb(0xe6, 0x370); + outb(0x00, 0x371); + + /* set a RED LED and toggle WD_TIMER for rebooting + */ + outb(0xc4, 0x338); + } else { + /* + * Force the watchdog to do a CPU reset. + * + * After making sure that the watchdog is disabled + * (so we can change the timer registers) we first + * enable the timer to autoreload itself. Next, the + * timer interval is set really short and any + * current interrupt request is cleared (so we can + * see an edge transition). Finally, TIMER4 is + * enabled as the watchdog. + */ + *CSR_SA110_CNTL &= ~(1 << 13); + *CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE | + TIMER_CNTL_AUTORELOAD | + TIMER_CNTL_DIV16; + *CSR_TIMER4_LOAD = 0x2; + *CSR_TIMER4_CLR = 0; + *CSR_SA110_CNTL |= (1 << 13); + } + } +} + +static int __init footbridge_arch_reset_init(void) +{ + arm_arch_reset = footbridge_arch_reset; + return 0; +} +arch_initcall(footbridge_arch_reset_init); -- 1.7.4.1