diff options
Diffstat (limited to 'include/asm-arm/arch-ns9xxx')
-rw-r--r-- | include/asm-arm/arch-ns9xxx/clock.h | 71 | ||||
-rw-r--r-- | include/asm-arm/arch-ns9xxx/entry-macro.S | 4 | ||||
-rw-r--r-- | include/asm-arm/arch-ns9xxx/irqs.h | 67 | ||||
-rw-r--r-- | include/asm-arm/arch-ns9xxx/processor-ns9360.h | 32 | ||||
-rw-r--r-- | include/asm-arm/arch-ns9xxx/regs-sys-common.h | 31 | ||||
-rw-r--r-- | include/asm-arm/arch-ns9xxx/regs-sys-ns9360.h (renamed from include/asm-arm/arch-ns9xxx/regs-sys.h) | 25 | ||||
-rw-r--r-- | include/asm-arm/arch-ns9xxx/system.h | 17 |
7 files changed, 113 insertions, 134 deletions
diff --git a/include/asm-arm/arch-ns9xxx/clock.h b/include/asm-arm/arch-ns9xxx/clock.h deleted file mode 100644 index b943d3a92a1..00000000000 --- a/include/asm-arm/arch-ns9xxx/clock.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * include/asm-arm/arch-ns9xxx/clock.h - * - * Copyright (C) 2007 by Digi International Inc. - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ -#ifndef __ASM_ARCH_CLOCK_H -#define __ASM_ARCH_CLOCK_H - -#include <asm/arch-ns9xxx/regs-sys.h> - -#define CRYSTAL 29491200 /* Hz */ - -/* The HRM calls this value f_vco */ -static inline u32 ns9xxx_systemclock(void) __attribute__((const)); -static inline u32 ns9xxx_systemclock(void) -{ - u32 pll = __raw_readl(SYS_PLL); - - /* - * The system clock should be a multiple of HZ * TIMERCLOCKSELECT (in - * time.c). - * - * The following values are given: - * - TIMERCLOCKSELECT == 2^i for an i in {0 .. 6} - * - CRYSTAL == 29491200 == 2^17 * 3^2 * 5^2 - * - ND in {0 .. 31} - * - FS in {0 .. 3} - * - * Assuming the worst, we consider: - * - TIMERCLOCKSELECT == 64 - * - ND == 0 - * - FS == 3 - * - * So HZ should be a divisor of: - * (CRYSTAL * (ND + 1) >> FS) / TIMERCLOCKSELECT - * == (2^17 * 3^2 * 5^2 * 1 >> 3) / 64 - * == 2^8 * 3^2 * 5^2 - * == 57600 - * - * Currently HZ is defined to be 100 for this platform. - * - * Fine. - */ - return CRYSTAL * (REGGETIM(pll, SYS_PLL, ND) + 1) - >> REGGETIM(pll, SYS_PLL, FS); -} - -static inline u32 ns9xxx_cpuclock(void) __attribute__((const)); -static inline u32 ns9xxx_cpuclock(void) -{ - return ns9xxx_systemclock() / 2; -} - -static inline u32 ns9xxx_ahbclock(void) __attribute__((const)); -static inline u32 ns9xxx_ahbclock(void) -{ - return ns9xxx_systemclock() / 4; -} - -static inline u32 ns9xxx_bbusclock(void) __attribute__((const)); -static inline u32 ns9xxx_bbusclock(void) -{ - return ns9xxx_systemclock() / 8; -} - -#endif /* ifndef __ASM_ARCH_CLOCK_H */ diff --git a/include/asm-arm/arch-ns9xxx/entry-macro.S b/include/asm-arm/arch-ns9xxx/entry-macro.S index 5c706dd2379..89a21c53046 100644 --- a/include/asm-arm/arch-ns9xxx/entry-macro.S +++ b/include/asm-arm/arch-ns9xxx/entry-macro.S @@ -1,7 +1,7 @@ /* * include/asm-arm/arch-ns9xxx/entry-macro.S * - * Copyright (C) 2006 by Digi International Inc. + * Copyright (C) 2006,2007 by Digi International Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify it @@ -9,7 +9,7 @@ * the Free Software Foundation. */ #include <asm/hardware.h> -#include <asm/arch-ns9xxx/regs-sys.h> +#include <asm/arch-ns9xxx/regs-sys-common.h> .macro get_irqnr_preamble, base, tmp ldr \base, =SYS_ISRADDR diff --git a/include/asm-arm/arch-ns9xxx/irqs.h b/include/asm-arm/arch-ns9xxx/irqs.h index 25d8d28b27f..e83d48ec42c 100644 --- a/include/asm-arm/arch-ns9xxx/irqs.h +++ b/include/asm-arm/arch-ns9xxx/irqs.h @@ -1,7 +1,7 @@ /* * include/asm-arm/arch-ns9xxx/irqs.h * - * Copyright (C) 2006 by Digi International Inc. + * Copyright (C) 2006,2007 by Digi International Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify it @@ -11,38 +11,39 @@ #ifndef __ASM_ARCH_IRQS_H #define __ASM_ARCH_IRQS_H -#define IRQ_WATCHDOG 0 -#define IRQ_AHBBUSERR 1 -#define IRQ_BBUSAGG 2 +/* NetSilicon 9360 */ +#define IRQ_NS9XXX_WATCHDOG 0 +#define IRQ_NS9XXX_AHBBUSERR 1 +#define IRQ_NS9360_BBUSAGG 2 /* irq 3 is reserved for NS9360 */ -#define IRQ_ETHRX 4 -#define IRQ_ETHTX 5 -#define IRQ_ETHPHY 6 -#define IRQ_LCD 7 -#define IRQ_SERBRX 8 -#define IRQ_SERBTX 9 -#define IRQ_SERARX 10 -#define IRQ_SERATX 11 -#define IRQ_SERCRX 12 -#define IRQ_SERCTX 13 -#define IRQ_I2C 14 -#define IRQ_BBUSDMA 15 -#define IRQ_TIMER0 16 -#define IRQ_TIMER1 17 -#define IRQ_TIMER2 18 -#define IRQ_TIMER3 19 -#define IRQ_TIMER4 20 -#define IRQ_TIMER5 21 -#define IRQ_TIMER6 22 -#define IRQ_TIMER7 23 -#define IRQ_RTC 24 -#define IRQ_USBHOST 25 -#define IRQ_USBDEVICE 26 -#define IRQ_IEEE1284 27 -#define IRQ_EXT0 28 -#define IRQ_EXT1 29 -#define IRQ_EXT2 30 -#define IRQ_EXT3 31 +#define IRQ_NS9XXX_ETHRX 4 +#define IRQ_NS9XXX_ETHTX 5 +#define IRQ_NS9XXX_ETHPHY 6 +#define IRQ_NS9360_LCD 7 +#define IRQ_NS9360_SERBRX 8 +#define IRQ_NS9360_SERBTX 9 +#define IRQ_NS9360_SERARX 10 +#define IRQ_NS9360_SERATX 11 +#define IRQ_NS9360_SERCRX 12 +#define IRQ_NS9360_SERCTX 13 +#define IRQ_NS9360_I2C 14 +#define IRQ_NS9360_BBUSDMA 15 +#define IRQ_NS9360_TIMER0 16 +#define IRQ_NS9360_TIMER1 17 +#define IRQ_NS9360_TIMER2 18 +#define IRQ_NS9360_TIMER3 19 +#define IRQ_NS9360_TIMER4 20 +#define IRQ_NS9360_TIMER5 21 +#define IRQ_NS9360_TIMER6 22 +#define IRQ_NS9360_TIMER7 23 +#define IRQ_NS9360_RTC 24 +#define IRQ_NS9360_USBHOST 25 +#define IRQ_NS9360_USBDEVICE 26 +#define IRQ_NS9360_IEEE1284 27 +#define IRQ_NS9XXX_EXT0 28 +#define IRQ_NS9XXX_EXT1 29 +#define IRQ_NS9XXX_EXT2 30 +#define IRQ_NS9XXX_EXT3 31 #define BBUS_IRQ(irq) (32 + irq) @@ -67,7 +68,7 @@ /* * these Interrupts are specific for the a9m9750dev board. * They are generated by an FPGA that interrupts the CPU on - * IRQ_EXT2 + * IRQ_NS9360_EXT2 */ #define FPGA_IRQ(irq) (64 + irq) diff --git a/include/asm-arm/arch-ns9xxx/processor-ns9360.h b/include/asm-arm/arch-ns9xxx/processor-ns9360.h new file mode 100644 index 00000000000..f3aa6c50dbe --- /dev/null +++ b/include/asm-arm/arch-ns9xxx/processor-ns9360.h @@ -0,0 +1,32 @@ +/* + * include/asm-arm/arch-ns9xxx/processor-ns9360.h + * + * Copyright (C) 2007 by Digi International Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ +#ifndef __ASM_ARCH_PROCESSORNS9360_H +#define __ASM_ARCH_PROCESSORNS9360_H + +#include <linux/init.h> + +void ns9360_reset(char mode); + +unsigned long ns9360_systemclock(void) __attribute__((const)); + +static inline unsigned long ns9360_cpuclock(void) __attribute__((const)); +static inline unsigned long ns9360_cpuclock(void) +{ + return ns9360_systemclock() / 2; +} + +void __init ns9360_map_io(void); + +extern struct sys_timer ns9360_timer; + +int ns9360_gpio_configure(unsigned gpio, int inv, int func); + +#endif /* ifndef __ASM_ARCH_PROCESSORNS9360_H */ diff --git a/include/asm-arm/arch-ns9xxx/regs-sys-common.h b/include/asm-arm/arch-ns9xxx/regs-sys-common.h new file mode 100644 index 00000000000..956c57cb781 --- /dev/null +++ b/include/asm-arm/arch-ns9xxx/regs-sys-common.h @@ -0,0 +1,31 @@ +/* + * include/asm-arm/arch-ns9xxx/regs-sys-common.h + * + * Copyright (C) 2007 by Digi International Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_REGSSYSCOMMON_H +#define __ASM_ARCH_REGSSYSCOMMON_H +#include <asm/hardware.h> + +/* Interrupt Vector Address Register Level x */ +#define SYS_IVA(x) __REG2(0xa09000c4, (x)) + +/* Interrupt Configuration registers */ +#define SYS_IC(x) __REG2(0xa0900144, (x)) + +/* ISRADDR */ +#define SYS_ISRADDR __REG(0xa0900164) + +/* Interrupt Status Active */ +#define SYS_ISA __REG(0xa0900168) + +/* Interrupt Status Raw */ +#define SYS_ISR __REG(0xa090016c) + +#endif /* ifndef __ASM_ARCH_REGSSYSCOMMON_H */ diff --git a/include/asm-arm/arch-ns9xxx/regs-sys.h b/include/asm-arm/arch-ns9xxx/regs-sys-ns9360.h index 749262f8620..318b6945afb 100644 --- a/include/asm-arm/arch-ns9xxx/regs-sys.h +++ b/include/asm-arm/arch-ns9xxx/regs-sys-ns9360.h @@ -1,15 +1,15 @@ /* - * include/asm-arm/arch-ns9xxx/regs-sys.h + * include/asm-arm/arch-ns9xxx/regs-sys-ns9360.h * - * Copyright (C) 2006 by Digi International Inc. + * Copyright (C) 2006,2007 by Digi International Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. */ -#ifndef __ASM_ARCH_REGSSYS_H -#define __ASM_ARCH_REGSSYS_H +#ifndef __ASM_ARCH_REGSSYSNS9360_H +#define __ASM_ARCH_REGSSYSNS9360_H #include <asm/hardware.h> @@ -27,21 +27,6 @@ /* Timer x Read register */ #define SYS_TR(x) __REG2(0xa0900084, (x)) -/* Interrupt Vector Address Register Level x */ -#define SYS_IVA(x) __REG2(0xa09000c4, (x)) - -/* Interrupt Configuration registers */ -#define SYS_IC(x) __REG2(0xa0900144, (x)) - -/* ISRADDR */ -#define SYS_ISRADDR __REG(0xa0900164) - -/* Interrupt Status Active */ -#define SYS_ISA __REG(0xa0900168) - -/* Interrupt Status Raw */ -#define SYS_ISR __REG(0xa090016c) - /* Timer Interrupt Status register */ #define SYS_TIS __REG(0xa0900170) @@ -160,4 +145,4 @@ #define SYS_EIC_LVEDG_LEVEL __REGVAL(SYS_EIC_LVEDG, 0) #define SYS_EIC_LVEDG_EDGE __REGVAL(SYS_EIC_LVEDG, 1) -#endif /* ifndef __ASM_ARCH_REGSSYS_H */ +#endif /* ifndef __ASM_ARCH_REGSSYSNS9360_H */ diff --git a/include/asm-arm/arch-ns9xxx/system.h b/include/asm-arm/arch-ns9xxx/system.h index c1082bd8977..1348073afe4 100644 --- a/include/asm-arm/arch-ns9xxx/system.h +++ b/include/asm-arm/arch-ns9xxx/system.h @@ -1,7 +1,7 @@ /* * include/asm-arm/arch-ns9xxx/system.h * - * Copyright (C) 2006 by Digi International Inc. + * Copyright (C) 2006,2007 by Digi International Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify it @@ -12,8 +12,8 @@ #define __ASM_ARCH_SYSTEM_H #include <asm/proc-fns.h> -#include <asm/arch-ns9xxx/regs-sys.h> -#include <asm/mach-types.h> +#include <asm/arch-ns9xxx/processor.h> +#include <asm/arch-ns9xxx/processor-ns9360.h> static inline void arch_idle(void) { @@ -22,11 +22,12 @@ static inline void arch_idle(void) static inline void arch_reset(char mode) { - u32 reg; - - reg = __raw_readl(SYS_PLL) >> 16; - REGSET(reg, SYS_PLL, SWC, YES); - __raw_writel(reg, SYS_PLL); +#ifdef CONFIG_PROCESSOR_NS9360 + if (processor_is_ns9360()) + ns9360_reset(mode); + else +#endif + BUG(); BUG(); } |