diff options
Diffstat (limited to 'arch/sh/cchips')
| -rw-r--r-- | arch/sh/cchips/Kconfig | 53 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/Makefile | 3 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/hd64461.c | 111 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/hd64461/Makefile | 6 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/hd64461/io.c | 157 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/hd64461/setup.c | 171 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/hd64465/Makefile | 6 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/hd64465/gpio.c | 196 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/hd64465/io.c | 216 | ||||
| -rw-r--r-- | arch/sh/cchips/hd6446x/hd64465/setup.c | 202 | ||||
| -rw-r--r-- | arch/sh/cchips/voyagergx/Makefile | 8 | ||||
| -rw-r--r-- | arch/sh/cchips/voyagergx/consistent.c | 126 | ||||
| -rw-r--r-- | arch/sh/cchips/voyagergx/irq.c | 194 | ||||
| -rw-r--r-- | arch/sh/cchips/voyagergx/setup.c | 37 |
14 files changed, 115 insertions, 1371 deletions
diff --git a/arch/sh/cchips/Kconfig b/arch/sh/cchips/Kconfig index 155d139884c..a5ab2eccdaa 100644 --- a/arch/sh/cchips/Kconfig +++ b/arch/sh/cchips/Kconfig @@ -1,22 +1,7 @@ menu "Companion Chips" -config VOYAGERGX - bool "VoyagerGX chip support" - depends on SH_RTS7751R2D - help - Selecting this option will support Silicon Motion, Inc. SM501. - Designed to complement needs for the embedded industry, it - provides video and 2D capability. To reduce system cost a - wide variety of include I/O is supported, including analog RGB - and digital LCD Panel interface, 8-bit parallel interface, USB, - UART, IrDA, Zoom Video, AC97 or I2S, SSP, PWM, and I2C. There - are additional GPIO bits that can be used to interface to - external as well. - -# A board must have defined HD6446X_SERIES in order to see these config HD6446X_SERIES - bool "HD6446x support" - default n + bool choice prompt "HD6446x options" @@ -25,7 +10,6 @@ choice config HD64461 bool "Hitachi HD64461 companion chip support" - depends on CPU_SUBTYPE_SH7709 ---help--- The Hitachi HD64461 provides an interface for the SH7709 CPU, supporting a LCD controller, @@ -38,21 +22,6 @@ config HD64461 Say Y if you want support for the HD64461. Otherwise, say N. -config HD64465 - bool "Hitachi HD64465 companion chip support" - depends on CPU_SUBTYPE_SH7750 - ---help--- - The Hitachi HD64465 provides an interface for - the SH7750 CPU, supporting a LCD controller, - CRT color controller, IrDA, USB, PCMCIA, - keyboard controller, and a printer interface. - - More information is available at - <http://global.hitachi.com/New/cnews/E/1998/981019B.html>. - - Say Y if you want support for the HD64465. - Otherwise, say N. - endchoice # These will also be split into the Kconfig's below @@ -73,24 +42,4 @@ config HD64461_ENABLER via the HD64461 companion chip. Otherwise, say N. - -config HD64465_IOBASE - hex "HD64465 start address" - depends on HD64465 - default "0xb0000000" - help - The default setting of the HD64465 IO base address is 0xb0000000. - - Do not change this unless you know what you are doing. - -config HD64465_IRQ - int "HD64465 IRQ" - depends on HD64465 - default "5" - help - The default setting of the HD64465 IRQ is 5. - - Do not change this unless you know what you are doing. - endmenu - diff --git a/arch/sh/cchips/hd6446x/Makefile b/arch/sh/cchips/hd6446x/Makefile new file mode 100644 index 00000000000..59c348337bb --- /dev/null +++ b/arch/sh/cchips/hd6446x/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_HD64461) += hd64461.o + +ccflags-y := -Werror diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c new file mode 100644 index 00000000000..e9735616bdc --- /dev/null +++ b/arch/sh/cchips/hd6446x/hd64461.c @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2000 YAEGASHI Takeshi + * Hitachi HD64461 companion chip support + */ + +#include <linux/sched.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <asm/irq.h> +#include <asm/hd64461.h> + +/* This belongs in cpu specific */ +#define INTC_ICR1 0xA4140010UL + +static void hd64461_mask_irq(struct irq_data *data) +{ + unsigned int irq = data->irq; + unsigned short nimr; + unsigned short mask = 1 << (irq - HD64461_IRQBASE); + + nimr = __raw_readw(HD64461_NIMR); + nimr |= mask; + __raw_writew(nimr, HD64461_NIMR); +} + +static void hd64461_unmask_irq(struct irq_data *data) +{ + unsigned int irq = data->irq; + unsigned short nimr; + unsigned short mask = 1 << (irq - HD64461_IRQBASE); + + nimr = __raw_readw(HD64461_NIMR); + nimr &= ~mask; + __raw_writew(nimr, HD64461_NIMR); +} + +static void hd64461_mask_and_ack_irq(struct irq_data *data) +{ + hd64461_mask_irq(data); + +#ifdef CONFIG_HD64461_ENABLER + if (data->irq == HD64461_IRQBASE + 13) + __raw_writeb(0x00, HD64461_PCC1CSCR); +#endif +} + +static struct irq_chip hd64461_irq_chip = { + .name = "HD64461-IRQ", + .irq_mask = hd64461_mask_irq, + .irq_mask_ack = hd64461_mask_and_ack_irq, + .irq_unmask = hd64461_unmask_irq, +}; + +static void hd64461_irq_demux(unsigned int irq, struct irq_desc *desc) +{ + unsigned short intv = __raw_readw(HD64461_NIRR); + unsigned int ext_irq = HD64461_IRQBASE; + + intv &= (1 << HD64461_IRQ_NUM) - 1; + + for (; intv; intv >>= 1, ext_irq++) { + if (!(intv & 1)) + continue; + + generic_handle_irq(ext_irq); + } +} + +int __init setup_hd64461(void) +{ + int irq_base, i; + + printk(KERN_INFO + "HD64461 configured at 0x%x on irq %d(mapped into %d to %d)\n", + HD64461_IOBASE, CONFIG_HD64461_IRQ, HD64461_IRQBASE, + HD64461_IRQBASE + 15); + +/* Should be at processor specific part.. */ +#if defined(CONFIG_CPU_SUBTYPE_SH7709) + __raw_writew(0x2240, INTC_ICR1); +#endif + __raw_writew(0xffff, HD64461_NIMR); + + irq_base = irq_alloc_descs(HD64461_IRQBASE, HD64461_IRQBASE, 16, -1); + if (IS_ERR_VALUE(irq_base)) { + pr_err("%s: failed hooking irqs for HD64461\n", __func__); + return irq_base; + } + + for (i = 0; i < 16; i++) + irq_set_chip_and_handler(irq_base + i, &hd64461_irq_chip, + handle_level_irq); + + irq_set_chained_handler(CONFIG_HD64461_IRQ, hd64461_irq_demux); + irq_set_irq_type(CONFIG_HD64461_IRQ, IRQ_TYPE_LEVEL_LOW); + +#ifdef CONFIG_HD64461_ENABLER + printk(KERN_INFO "HD64461: enabling PCMCIA devices\n"); + __raw_writeb(0x4c, HD64461_PCC1CSCIER); + __raw_writeb(0x00, HD64461_PCC1CSCR); +#endif + + return 0; +} + +module_init(setup_hd64461); diff --git a/arch/sh/cchips/hd6446x/hd64461/Makefile b/arch/sh/cchips/hd6446x/hd64461/Makefile deleted file mode 100644 index bff4b92e388..00000000000 --- a/arch/sh/cchips/hd6446x/hd64461/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# -# Makefile for the HD64461 -# - -obj-y := setup.o io.o - diff --git a/arch/sh/cchips/hd6446x/hd64461/io.c b/arch/sh/cchips/hd6446x/hd64461/io.c deleted file mode 100644 index 4c062d6b7a9..00000000000 --- a/arch/sh/cchips/hd6446x/hd64461/io.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * $Id: io.c,v 1.6 2004/03/16 00:07:50 lethal Exp $ - * Copyright (C) 2000 YAEGASHI Takeshi - * Typical I/O routines for HD64461 system. - */ - -#include <linux/config.h> -#include <asm/io.h> -#include <asm/hd64461/hd64461.h> - -#define MEM_BASE (CONFIG_HD64461_IOBASE - HD64461_STBCR) - -static __inline__ unsigned long PORT2ADDR(unsigned long port) -{ - /* 16550A: HD64461 internal */ - if (0x3f8<=port && port<=0x3ff) - return CONFIG_HD64461_IOBASE + 0x8000 + ((port-0x3f8)<<1); - if (0x2f8<=port && port<=0x2ff) - return CONFIG_HD64461_IOBASE + 0x7000 + ((port-0x2f8)<<1); - -#ifdef CONFIG_HD64461_ENABLER - /* NE2000: HD64461 PCMCIA channel 0 (I/O) */ - if (0x300<=port && port<=0x31f) - return 0xba000000 + port; - - /* ide0: HD64461 PCMCIA channel 1 (memory) */ - /* On HP690, CF in slot 1 is configured as a memory card - device. See CF+ and CompactFlash Specification for the - detail of CF's memory mapped addressing. */ - if (0x1f0<=port && port<=0x1f7) return 0xb5000000 + port; - if (port == 0x3f6) return 0xb50001fe; - if (port == 0x3f7) return 0xb50001ff; - - /* ide1 */ - if (0x170<=port && port<=0x177) return 0xba000000 + port; - if (port == 0x376) return 0xba000376; - if (port == 0x377) return 0xba000377; -#endif - - /* ??? */ - if (port < 0xf000) return 0xa0000000 + port; - /* PCMCIA channel 0, I/O (0xba000000) */ - if (port < 0x10000) return 0xba000000 + port - 0xf000; - - /* HD64461 internal devices (0xb0000000) */ - if (port < 0x20000) return CONFIG_HD64461_IOBASE + port - 0x10000; - - /* PCMCIA channel 0, I/O (0xba000000) */ - if (port < 0x30000) return 0xba000000 + port - 0x20000; - - /* PCMCIA channel 1, memory (0xb5000000) */ - if (port < 0x40000) return 0xb5000000 + port - 0x30000; - - /* Whole physical address space (0xa0000000) */ - return 0xa0000000 + (port & 0x1fffffff); -} - -static inline void delay(void) -{ - ctrl_inw(0xa0000000); -} - -unsigned char hd64461_inb(unsigned long port) -{ - return *(volatile unsigned char*)PORT2ADDR(port); -} - -unsigned char hd64461_inb_p(unsigned long port) -{ - unsigned long v = *(volatile unsigned char*)PORT2ADDR(port); - delay(); - return v; -} - -unsigned short hd64461_inw(unsigned long port) -{ - return *(volatile unsigned short*)PORT2ADDR(port); -} - -unsigned int hd64461_inl(unsigned long port) -{ - return *(volatile unsigned long*)PORT2ADDR(port); -} - -void hd64461_outb(unsigned char b, unsigned long port) -{ - *(volatile unsigned char*)PORT2ADDR(port) = b; -} - -void hd64461_outb_p(unsigned char b, unsigned long port) -{ - *(volatile unsigned char*)PORT2ADDR(port) = b; - delay(); -} - -void hd64461_outw(unsigned short b, unsigned long port) -{ - *(volatile unsigned short*)PORT2ADDR(port) = b; -} - -void hd64461_outl(unsigned int b, unsigned long port) -{ - *(volatile unsigned long*)PORT2ADDR(port) = b; -} - -void hd64461_insb(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned char* addr=(volatile unsigned char*)PORT2ADDR(port); - unsigned char *buf=buffer; - while(count--) *buf++=*addr; -} - -void hd64461_insw(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned short* addr=(volatile unsigned short*)PORT2ADDR(port); - unsigned short *buf=buffer; - while(count--) *buf++=*addr; -} - -void hd64461_insl(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned long* addr=(volatile unsigned long*)PORT2ADDR(port); - unsigned long *buf=buffer; - while(count--) *buf++=*addr; -} - -void hd64461_outsb(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned char* addr=(volatile unsigned char*)PORT2ADDR(port); - const unsigned char *buf=buffer; - while(count--) *addr=*buf++; -} - -void hd64461_outsw(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned short* addr=(volatile unsigned short*)PORT2ADDR(port); - const unsigned short *buf=buffer; - while(count--) *addr=*buf++; -} - -void hd64461_outsl(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned long* addr=(volatile unsigned long*)PORT2ADDR(port); - const unsigned long *buf=buffer; - while(count--) *addr=*buf++; -} - -unsigned short hd64461_readw(unsigned long addr) -{ - return *(volatile unsigned short*)(MEM_BASE+addr); -} - -void hd64461_writew(unsigned short b, unsigned long addr) -{ - *(volatile unsigned short*)(MEM_BASE+addr) = b; -} - diff --git a/arch/sh/cchips/hd6446x/hd64461/setup.c b/arch/sh/cchips/hd6446x/hd64461/setup.c deleted file mode 100644 index f014b9bf692..00000000000 --- a/arch/sh/cchips/hd6446x/hd64461/setup.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * $Id: setup.c,v 1.5 2004/03/16 00:07:50 lethal Exp $ - * Copyright (C) 2000 YAEGASHI Takeshi - * Hitachi HD64461 companion chip support - */ - -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/irq.h> - -#include <asm/io.h> -#include <asm/irq.h> - -#include <asm/hd64461/hd64461.h> - -static void disable_hd64461_irq(unsigned int irq) -{ - unsigned long flags; - unsigned short nimr; - unsigned short mask = 1 << (irq - HD64461_IRQBASE); - - local_irq_save(flags); - nimr = inw(HD64461_NIMR); - nimr |= mask; - outw(nimr, HD64461_NIMR); - local_irq_restore(flags); -} - -static void enable_hd64461_irq(unsigned int irq) -{ - unsigned long flags; - unsigned short nimr; - unsigned short mask = 1 << (irq - HD64461_IRQBASE); - - local_irq_save(flags); - nimr = inw(HD64461_NIMR); - nimr &= ~mask; - outw(nimr, HD64461_NIMR); - local_irq_restore(flags); -} - -static void mask_and_ack_hd64461(unsigned int irq) -{ - disable_hd64461_irq(irq); -#ifdef CONFIG_HD64461_ENABLER - if (irq == HD64461_IRQBASE + 13) - outb(0x00, HD64461_PCC1CSCR); -#endif -} - -static void end_hd64461_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_hd64461_irq(irq); -} - -static unsigned int startup_hd64461_irq(unsigned int irq) -{ - enable_hd64461_irq(irq); - return 0; -} - -static void shutdown_hd64461_irq(unsigned int irq) -{ - disable_hd64461_irq(irq); -} - -static struct hw_interrupt_type hd64461_irq_type = { - .typename = "HD64461-IRQ", - .startup = startup_hd64461_irq, - .shutdown = shutdown_hd64461_irq, - .enable = enable_hd64461_irq, - .disable = disable_hd64461_irq, - .ack = mask_and_ack_hd64461, - .end = end_hd64461_irq, -}; - -static irqreturn_t hd64461_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - printk(KERN_INFO - "HD64461: spurious interrupt, nirr: 0x%x nimr: 0x%x\n", - inw(HD64461_NIRR), inw(HD64461_NIMR)); - - return IRQ_NONE; -} - -static struct { - int (*func) (int, void *); - void *dev; -} hd64461_demux[HD64461_IRQ_NUM]; - -void hd64461_register_irq_demux(int irq, - int (*demux) (int irq, void *dev), void *dev) -{ - hd64461_demux[irq - HD64461_IRQBASE].func = demux; - hd64461_demux[irq - HD64461_IRQBASE].dev = dev; -} - -EXPORT_SYMBOL(hd64461_register_irq_demux); - -void hd64461_unregister_irq_demux(int irq) -{ - hd64461_demux[irq - HD64461_IRQBASE].func = 0; -} - -EXPORT_SYMBOL(hd64461_unregister_irq_demux); - -int hd64461_irq_demux(int irq) -{ - if (irq == CONFIG_HD64461_IRQ) { - unsigned short bit; - unsigned short nirr = inw(HD64461_NIRR); - unsigned short nimr = inw(HD64461_NIMR); - int i; - - nirr &= ~nimr; - for (bit = 1, i = 0; i < 16; bit <<= 1, i++) - if (nirr & bit) - break; - if (i == 16) - irq = CONFIG_HD64461_IRQ; - else { - irq = HD64461_IRQBASE + i; - if (hd64461_demux[i].func != 0) { - irq = hd64461_demux[i].func(irq, hd64461_demux[i].dev); - } - } - } - return __irq_demux(irq); -} - -static struct irqaction irq0 = { hd64461_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "HD64461", NULL, NULL }; - -int __init setup_hd64461(void) -{ - int i; - - if (!MACH_HD64461) - return 0; - - printk(KERN_INFO - "HD64461 configured at 0x%x on irq %d(mapped into %d to %d)\n", - CONFIG_HD64461_IOBASE, CONFIG_HD64461_IRQ, HD64461_IRQBASE, - HD64461_IRQBASE + 15); - -#if defined(CONFIG_CPU_SUBTYPE_SH7709) /* Should be at processor specific part.. */ - outw(0x2240, INTC_ICR1); -#endif - outw(0xffff, HD64461_NIMR); - - for (i = HD64461_IRQBASE; i < HD64461_IRQBASE + 16; i++) { - irq_desc[i].handler = &hd64461_irq_type; - } - - setup_irq(CONFIG_HD64461_IRQ, &irq0); - -#ifdef CONFIG_HD64461_ENABLER - printk(KERN_INFO "HD64461: enabling PCMCIA devices\n"); - outb(0x4c, HD64461_PCC1CSCIER); - outb(0x00, HD64461_PCC1CSCR); -#endif - - return 0; -} - -module_init(setup_hd64461); diff --git a/arch/sh/cchips/hd6446x/hd64465/Makefile b/arch/sh/cchips/hd6446x/hd64465/Makefile deleted file mode 100644 index f66edcb52c5..00000000000 --- a/arch/sh/cchips/hd6446x/hd64465/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# -# Makefile for the HD64465 -# - -obj-y := setup.o io.o gpio.o - diff --git a/arch/sh/cchips/hd6446x/hd64465/gpio.c b/arch/sh/cchips/hd6446x/hd64465/gpio.c deleted file mode 100644 index 9785fdef868..00000000000 --- a/arch/sh/cchips/hd6446x/hd64465/gpio.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * $Id: gpio.c,v 1.4 2003/05/19 22:24:18 lethal Exp $ - * by Greg Banks <gbanks@pocketpenguins.com> - * (c) 2000 PocketPenguins Inc - * - * GPIO pin support for HD64465 companion chip. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/ioport.h> -#include <asm/io.h> -#include <asm/hd64465/gpio.h> - -#define _PORTOF(portpin) (((portpin)>>3)&0x7) -#define _PINOF(portpin) ((portpin)&0x7) - -/* Register addresses parametrised on port */ -#define GPIO_CR(port) (HD64465_REG_GPACR+((port)<<1)) -#define GPIO_DR(port) (HD64465_REG_GPADR+((port)<<1)) -#define GPIO_ICR(port) (HD64465_REG_GPAICR+((port)<<1)) -#define GPIO_ISR(port) (HD64465_REG_GPAISR+((port)<<1)) - -#define GPIO_NPORTS 5 - -#define MODNAME "hd64465_gpio" - -EXPORT_SYMBOL(hd64465_gpio_configure); -EXPORT_SYMBOL(hd64465_gpio_get_pin); -EXPORT_SYMBOL(hd64465_gpio_get_port); -EXPORT_SYMBOL(hd64465_gpio_register_irq); -EXPORT_SYMBOL(hd64465_gpio_set_pin); -EXPORT_SYMBOL(hd64465_gpio_set_port); -EXPORT_SYMBOL(hd64465_gpio_unregister_irq); - -/* TODO: each port should be protected with a spinlock */ - - -void hd64465_gpio_configure(int portpin, int direction) -{ - unsigned short cr; - unsigned int shift = (_PINOF(portpin)<<1); - - cr = inw(GPIO_CR(_PORTOF(portpin))); - cr &= ~(3<<shift); - cr |= direction<<shift; - outw(cr, GPIO_CR(_PORTOF(portpin))); -} - -void hd64465_gpio_set_pin(int portpin, unsigned int value) -{ - unsigned short d; - unsigned short mask = 1<<(_PINOF(portpin)); - - d = inw(GPIO_DR(_PORTOF(portpin))); - if (value) - d |= mask; - else - d &= ~mask; - outw(d, GPIO_DR(_PORTOF(portpin))); -} - -unsigned int hd64465_gpio_get_pin(int portpin) -{ - return inw(GPIO_DR(_PORTOF(portpin))) & (1<<(_PINOF(portpin))); -} - -/* TODO: for cleaner atomicity semantics, add a mask to this routine */ - -void hd64465_gpio_set_port(int port, unsigned int value) -{ - outw(value, GPIO_DR(port)); -} - -unsigned int hd64465_gpio_get_port(int port) -{ - return inw(GPIO_DR(port)); -} - - -static struct { - void (*func)(int portpin, void *dev); - void *dev; -} handlers[GPIO_NPORTS * 8]; - -static irqreturn_t hd64465_gpio_interrupt(int irq, void *dev, struct pt_regs *regs) -{ - unsigned short port, pin, isr, mask, portpin; - - for (port=0 ; port<GPIO_NPORTS ; port++) { - isr = inw(GPIO_ISR(port)); - - for (pin=0 ; pin<8 ; pin++) { - mask = 1<<pin; - if (isr & mask) { - portpin = (port<<3)|pin; - if (handlers[portpin].func != 0) - handlers[portpin].func(portpin, handlers[portpin].dev); - else - printk(KERN_NOTICE "unexpected GPIO interrupt, pin %c%d\n", - port+'A', (int)pin); - } - } - - /* Write 1s back to ISR to clear it? That's what the manual says.. */ - outw(isr, GPIO_ISR(port)); - } - - return IRQ_HANDLED; -} - -void hd64465_gpio_register_irq(int portpin, int mode, - void (*handler)(int portpin, void *dev), void *dev) -{ - unsigned long flags; - unsigned short icr, mask; - - if (handler == 0) - return; - - local_irq_save(flags); - - handlers[portpin].func = handler; - handlers[portpin].dev = dev; - - /* - * Configure Interrupt Control Register - */ - icr = inw(GPIO_ICR(_PORTOF(portpin))); - mask = (1<<_PINOF(portpin)); - - /* unmask interrupt */ - icr &= ~mask; - - /* set TS bit */ - mask <<= 8; - icr &= ~mask; - if (mode == HD64465_GPIO_RISING) - icr |= mask; - - outw(icr, GPIO_ICR(_PORTOF(portpin))); - - local_irq_restore(flags); -} - -void hd64465_gpio_unregister_irq(int portpin) -{ - unsigned long flags; - unsigned short icr; - - local_irq_save(flags); - - /* - * Configure Interrupt Control Register - */ - icr = inw(GPIO_ICR(_PORTOF(portpin))); - icr |= (1<<_PINOF(portpin)); /* mask interrupt */ - outw(icr, GPIO_ICR(_PORTOF(portpin))); - - handlers[portpin].func = 0; - handlers[portpin].dev = 0; - - local_irq_restore(flags); -} - -static int __init hd64465_gpio_init(void) -{ - if (!request_region(HD64465_REG_GPACR, 0x1000, MODNAME)) - return -EBUSY; - if (request_irq(HD64465_IRQ_GPIO, hd64465_gpio_interrupt, - SA_INTERRUPT, MODNAME, 0)) - goto out_irqfailed; - - printk("HD64465 GPIO layer on irq %d\n", HD64465_IRQ_GPIO); - - return 0; - -out_irqfailed: - release_region(HD64465_REG_GPACR, 0x1000); - - return -EINVAL; -} - -static void __exit hd64465_gpio_exit(void) -{ - release_region(HD64465_REG_GPACR, 0x1000); - free_irq(HD64465_IRQ_GPIO, 0); -} - -module_init(hd64465_gpio_init); -module_exit(hd64465_gpio_exit); - -MODULE_LICENSE("GPL"); - diff --git a/arch/sh/cchips/hd6446x/hd64465/io.c b/arch/sh/cchips/hd6446x/hd64465/io.c deleted file mode 100644 index 99ac709c550..00000000000 --- a/arch/sh/cchips/hd6446x/hd64465/io.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * $Id: io.c,v 1.4 2003/08/03 03:05:10 lethal Exp $ - * by Greg Banks <gbanks@pocketpenguins.com> - * (c) 2000 PocketPenguins Inc - * - * Derived from io_hd64461.c, which bore the message: - * Copyright (C) 2000 YAEGASHI Takeshi - * - * Typical I/O routines for HD64465 system. - */ - -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <asm/io.h> -#include <asm/hd64465/hd64465.h> - - -#define HD64465_DEBUG 0 - -#if HD64465_DEBUG -#define DPRINTK(args...) printk(args) -#define DIPRINTK(n, args...) if (hd64465_io_debug>(n)) printk(args) -#else -#define DPRINTK(args...) -#define DIPRINTK(n, args...) -#endif - - - -/* This is a hack suitable only for debugging IO port problems */ -int hd64465_io_debug; -EXPORT_SYMBOL(hd64465_io_debug); - -/* Low iomap maps port 0-1K to addresses in 8byte chunks */ -#define HD64465_IOMAP_LO_THRESH 0x400 -#define HD64465_IOMAP_LO_SHIFT 3 -#define HD64465_IOMAP_LO_MASK ((1<<HD64465_IOMAP_LO_SHIFT)-1) -#define HD64465_IOMAP_LO_NMAP (HD64465_IOMAP_LO_THRESH>>HD64465_IOMAP_LO_SHIFT) -static unsigned long hd64465_iomap_lo[HD64465_IOMAP_LO_NMAP]; -static unsigned char hd64465_iomap_lo_shift[HD64465_IOMAP_LO_NMAP]; - -/* High iomap maps port 1K-64K to addresses in 1K chunks */ -#define HD64465_IOMAP_HI_THRESH 0x10000 -#define HD64465_IOMAP_HI_SHIFT 10 -#define HD64465_IOMAP_HI_MASK ((1<<HD64465_IOMAP_HI_SHIFT)-1) -#define HD64465_IOMAP_HI_NMAP (HD64465_IOMAP_HI_THRESH>>HD64465_IOMAP_HI_SHIFT) -static unsigned long hd64465_iomap_hi[HD64465_IOMAP_HI_NMAP]; -static unsigned char hd64465_iomap_hi_shift[HD64465_IOMAP_HI_NMAP]; - -#ifndef MAX -#define MAX(a,b) ((a)>(b)?(a):(b)) -#endif - -#define PORT2ADDR(x) (sh_mv.mv_isa_port2addr(x)) - -void hd64465_port_map(unsigned short baseport, unsigned int nports, - unsigned long addr, unsigned char shift) -{ - unsigned int port, endport = baseport + nports; - - DPRINTK("hd64465_port_map(base=0x%04hx, n=0x%04hx, addr=0x%08lx,endport=0x%04x)\n", - baseport, nports, addr,endport); - - for (port = baseport ; - port < endport && port < HD64465_IOMAP_LO_THRESH ; - port += (1<<HD64465_IOMAP_LO_SHIFT)) { - DPRINTK(" maplo[0x%x] = 0x%08lx\n", port, addr); - hd64465_iomap_lo[port>>HD64465_IOMAP_LO_SHIFT] = addr; - hd64465_iomap_lo_shift[port>>HD64465_IOMAP_LO_SHIFT] = shift; - addr += (1<<(HD64465_IOMAP_LO_SHIFT)); - } - - for (port = MAX(baseport, HD64465_IOMAP_LO_THRESH) ; - port < endport && port < HD64465_IOMAP_HI_THRESH ; - port += (1<<HD64465_IOMAP_HI_SHIFT)) { - DPRINTK(" maphi[0x%x] = 0x%08lx\n", port, addr); - hd64465_iomap_hi[port>>HD64465_IOMAP_HI_SHIFT] = addr; - hd64465_iomap_hi_shift[port>>HD64465_IOMAP_HI_SHIFT] = shift; - addr += (1<<(HD64465_IOMAP_HI_SHIFT)); - } -} -EXPORT_SYMBOL(hd64465_port_map); - -void hd64465_port_unmap(unsigned short baseport, unsigned int nports) -{ - unsigned int port, endport = baseport + nports; - - DPRINTK("hd64465_port_unmap(base=0x%04hx, n=0x%04hx)\n", - baseport, nports); - - for (port = baseport ; - port < endport && port < HD64465_IOMAP_LO_THRESH ; - port += (1<<HD64465_IOMAP_LO_SHIFT)) { - hd64465_iomap_lo[port>>HD64465_IOMAP_LO_SHIFT] = 0; - } - - for (port = MAX(baseport, HD64465_IOMAP_LO_THRESH) ; - port < endport && port < HD64465_IOMAP_HI_THRESH ; - port += (1<<HD64465_IOMAP_HI_SHIFT)) { - hd64465_iomap_hi[port>>HD64465_IOMAP_HI_SHIFT] = 0; - } -} -EXPORT_SYMBOL(hd64465_port_unmap); - -unsigned long hd64465_isa_port2addr(unsigned long port) -{ - unsigned long addr = 0; - unsigned char shift; - - /* handle remapping of low IO ports */ - if (port < HD64465_IOMAP_LO_THRESH) { - addr = hd64465_iomap_lo[port >> HD64465_IOMAP_LO_SHIFT]; - shift = hd64465_iomap_lo_shift[port >> HD64465_IOMAP_LO_SHIFT]; - if (addr != 0) - addr += (port & HD64465_IOMAP_LO_MASK) << shift; - else - printk(KERN_NOTICE "io_hd64465: access to un-mapped port %lx\n", port); - } else if (port < HD64465_IOMAP_HI_THRESH) { - addr = hd64465_iomap_hi[port >> HD64465_IOMAP_HI_SHIFT]; - shift = hd64465_iomap_hi_shift[port >> HD64465_IOMAP_HI_SHIFT]; - if (addr != 0) - addr += (port & HD64465_IOMAP_HI_MASK) << shift; - else - printk(KERN_NOTICE "io_hd64465: access to un-mapped port %lx\n", port); - } - - /* HD64465 internal devices (0xb0000000) */ - else if (port < 0x20000) - addr = CONFIG_HD64465_IOBASE + port - 0x10000; - - /* Whole physical address space (0xa0000000) */ - else - addr = P2SEGADDR(port); - - DIPRINTK(2, "PORT2ADDR(0x%08lx) = 0x%08lx\n", port, addr); - - return addr; -} - -static inline void delay(void) -{ - ctrl_inw(0xa0000000); -} - -unsigned char hd64465_inb(unsigned long port) -{ - unsigned long addr = PORT2ADDR(port); - unsigned long b = (addr == 0 ? 0 : *(volatile unsigned char*)addr); - - DIPRINTK(0, "inb(%08lx) = %02x\n", addr, (unsigned)b); - return b; -} - -unsigned char hd64465_inb_p(unsigned long port) -{ - unsigned long v; - unsigned long addr = PORT2ADDR(port); - - v = (addr == 0 ? 0 : *(volatile unsigned char*)addr); - delay(); - DIPRINTK(0, "inb_p(%08lx) = %02x\n", addr, (unsigned)v); - return v; -} - -unsigned short hd64465_inw(unsigned long port) -{ - unsigned long addr = PORT2ADDR(port); - unsigned long b = (addr == 0 ? 0 : *(volatile unsigned short*)addr); - DIPRINTK(0, "inw(%08lx) = %04lx\n", addr, b); - return b; -} - -unsigned int hd64465_inl(unsigned long port) -{ - unsigned long addr = PORT2ADDR(port); - unsigned int b = (addr == 0 ? 0 : *(volatile unsigned long*)addr); - DIPRINTK(0, "inl(%08lx) = %08x\n", addr, b); - return b; -} - -void hd64465_outb(unsigned char b, unsigned long port) -{ - unsigned long addr = PORT2ADDR(port); - - DIPRINTK(0, "outb(%02x, %08lx)\n", (unsigned)b, addr); - if (addr != 0) - *(volatile unsigned char*)addr = b; -} - -void hd64465_outb_p(unsigned char b, unsigned long port) -{ - unsigned long addr = PORT2ADDR(port); - - DIPRINTK(0, "outb_p(%02x, %08lx)\n", (unsigned)b, addr); - if (addr != 0) - *(volatile unsigned char*)addr = b; - delay(); -} - -void hd64465_outw(unsigned short b, unsigned long port) -{ - unsigned long addr = PORT2ADDR(port); - DIPRINTK(0, "outw(%04x, %08lx)\n", (unsigned)b, addr); - if (addr != 0) - *(volatile unsigned short*)addr = b; -} - -void hd64465_outl(unsigned int b, unsigned long port) -{ - unsigned long addr = PORT2ADDR(port); - DIPRINTK(0, "outl(%08x, %08lx)\n", b, addr); - if (addr != 0) - *(volatile unsigned long*)addr = b; -} - diff --git a/arch/sh/cchips/hd6446x/hd64465/setup.c b/arch/sh/cchips/hd6446x/hd64465/setup.c deleted file mode 100644 index 68e4c4e4283..00000000000 --- a/arch/sh/cchips/hd6446x/hd64465/setup.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * $Id: setup.c,v 1.4 2003/08/03 03:05:10 lethal Exp $ - * - * Setup and IRQ handling code for the HD64465 companion chip. - * by Greg Banks <gbanks@pocketpenguins.com> - * Copyright (c) 2000 PocketPenguins Inc - * - * Derived from setup_hd64461.c which bore the message: - * Copyright (C) 2000 YAEGASHI Takeshi - */ - -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/irq.h> - -#include <asm/io.h> -#include <asm/irq.h> - -#include <asm/hd64465/hd64465.h> - -static void disable_hd64465_irq(unsigned int irq) -{ - unsigned long flags; - unsigned short nimr; - unsigned short mask = 1 << (irq - HD64465_IRQ_BASE); - - pr_debug("disable_hd64465_irq(%d): mask=%x\n", irq, mask); - local_irq_save(flags); - nimr = inw(HD64465_REG_NIMR); - nimr |= mask; - outw(nimr, HD64465_REG_NIMR); - local_irq_restore(flags); -} - - -static void enable_hd64465_irq(unsigned int irq) -{ - unsigned long flags; - unsigned short nimr; - unsigned short mask = 1 << (irq - HD64465_IRQ_BASE); - - pr_debug("enable_hd64465_irq(%d): mask=%x\n", irq, mask); - local_irq_save(flags); - nimr = inw(HD64465_REG_NIMR); - nimr &= ~mask; - outw(nimr, HD64465_REG_NIMR); - local_irq_restore(flags); -} - - -static void mask_and_ack_hd64465(unsigned int irq) -{ - disable_hd64465_irq(irq); -} - - -static void end_hd64465_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_hd64465_irq(irq); -} - - -static unsigned int startup_hd64465_irq(unsigned int irq) -{ - enable_hd64465_irq(irq); - return 0; -} - - -static void shutdown_hd64465_irq(unsigned int irq) -{ - disable_hd64465_irq(irq); -} - - -static struct hw_interrupt_type hd64465_irq_type = { - .typename = "HD64465-IRQ", - .startup = startup_hd64465_irq, - .shutdown = shutdown_hd64465_irq, - .enable = enable_hd64465_irq, - .disable = disable_hd64465_irq, - .ack = mask_and_ack_hd64465, - .end = end_hd64465_irq, -}; - - -static irqreturn_t hd64465_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - printk(KERN_INFO - "HD64465: spurious interrupt, nirr: 0x%x nimr: 0x%x\n", - inw(HD64465_REG_NIRR), inw(HD64465_REG_NIMR)); - - return IRQ_NONE; -} - - -/*====================================================*/ - -/* - * Support for a secondary IRQ demux step. This is necessary - * because the HD64465 presents a very thin interface to the - * PCMCIA bus; a lot of features (such as remapping interrupts) - * normally done in hardware by other PCMCIA host bridges is - * instead done in software. - */ -static struct -{ - int (*func)(int, void *); - void *dev; -} hd64465_demux[HD64465_IRQ_NUM]; - -void hd64465_register_irq_demux(int irq, - int (*demux)(int irq, void *dev), void *dev) -{ - hd64465_demux[irq - HD64465_IRQ_BASE].func = demux; - hd64465_demux[irq - HD64465_IRQ_BASE].dev = dev; -} -EXPORT_SYMBOL(hd64465_register_irq_demux); - -void hd64465_unregister_irq_demux(int irq) -{ - hd64465_demux[irq - HD64465_IRQ_BASE].func = 0; -} -EXPORT_SYMBOL(hd64465_unregister_irq_demux); - - - -int hd64465_irq_demux(int irq) -{ - if (irq == CONFIG_HD64465_IRQ) { - unsigned short i, bit; - unsigned short nirr = inw(HD64465_REG_NIRR); - unsigned short nimr = inw(HD64465_REG_NIMR); - - pr_debug("hd64465_irq_demux, nirr=%04x, nimr=%04x\n", nirr, nimr); - nirr &= ~nimr; - for (bit = 1, i = 0 ; i < HD64465_IRQ_NUM ; bit <<= 1, i++) - if (nirr & bit) - break; - - if (i < HD64465_IRQ_NUM) { - irq = HD64465_IRQ_BASE + i; - if (hd64465_demux[i].func != 0) - irq = hd64465_demux[i].func(irq, hd64465_demux[i].dev); - } - } - return irq; -} - -static struct irqaction irq0 = { hd64465_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "HD64465", NULL, NULL}; - - -static int __init setup_hd64465(void) -{ - int i; - unsigned short rev; - unsigned short smscr; - - if (!MACH_HD64465) - return 0; - - printk(KERN_INFO "HD64465 configured at 0x%x on irq %d(mapped into %d to %d)\n", - CONFIG_HD64465_IOBASE, - CONFIG_HD64465_IRQ, - HD64465_IRQ_BASE, - HD64465_IRQ_BASE+HD64465_IRQ_NUM-1); - - if (inw(HD64465_REG_SDID) != HD64465_SDID) { - printk(KERN_ERR "HD64465 device ID not found, check base address\n"); - } - - rev = inw(HD64465_REG_SRR); - printk(KERN_INFO "HD64465 hardware revision %d.%d\n", (rev >> 8) & 0xff, rev & 0xff); - - outw(0xffff, HD64465_REG_NIMR); /* mask all interrupts */ - - for (i = 0; i < HD64465_IRQ_NUM ; i++) { - irq_desc[HD64465_IRQ_BASE + i].handler = &hd64465_irq_type; - } - - setup_irq(CONFIG_HD64465_IRQ, &irq0); - -#ifdef CONFIG_SERIAL - /* wake up the UART from STANDBY at this point */ - smscr = inw(HD64465_REG_SMSCR); - outw(smscr & (~HD64465_SMSCR_UARTST), HD64465_REG_SMSCR); - - /* remap IO ports for first ISA serial port to HD64465 UART */ - hd64465_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1); -#endif - - return 0; -} - -module_init(setup_hd64465); diff --git a/arch/sh/cchips/voyagergx/Makefile b/arch/sh/cchips/voyagergx/Makefile deleted file mode 100644 index 085de72fd32..00000000000 --- a/arch/sh/cchips/voyagergx/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for VoyagerGX -# - -obj-y := irq.o setup.o - -obj-$(CONFIG_USB_OHCI_HCD) += consistent.o - diff --git a/arch/sh/cchips/voyagergx/consistent.c b/arch/sh/cchips/voyagergx/consistent.c deleted file mode 100644 index 5b92585a38d..00000000000 --- a/arch/sh/cchips/voyagergx/consistent.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * arch/sh/cchips/voyagergx/consistent.c - * - * Copyright (C) 2004 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/mm.h> -#include <linux/dma-mapping.h> -#include <linux/slab.h> -#include <linux/list.h> -#include <linux/types.h> -#include <linux/module.h> -#include <linux/device.h> -#include <asm/io.h> -#include <asm/bus-sh.h> - -struct voya_alloc_entry { - struct list_head list; - unsigned long ofs; - unsigned long len; -}; - -static DEFINE_SPINLOCK(voya_list_lock); -static LIST_HEAD(voya_alloc_list); - -#define OHCI_SRAM_START 0xb0000000 -#define OHCI_HCCA_SIZE 0x100 -#define OHCI_SRAM_SIZE 0x10000 - -void *voyagergx_consistent_alloc(struct device *dev, size_t size, - dma_addr_t *handle, int flag) -{ - struct list_head *list = &voya_alloc_list; - struct voya_alloc_entry *entry; - struct sh_dev *shdev = to_sh_dev(dev); - unsigned long start, end; - unsigned long flags; - - /* - * The SM501 contains an integrated 8051 with its own SRAM. - * Devices within the cchip can all hook into the 8051 SRAM. - * We presently use this for the OHCI. - * - * Everything else goes through consistent_alloc(). - */ - if (!dev || dev->bus != &sh_bus_types[SH_BUS_VIRT] || - (dev->bus == &sh_bus_types[SH_BUS_VIRT] && - shdev->dev_id != SH_DEV_ID_USB_OHCI)) - return NULL; - - start = OHCI_SRAM_START + OHCI_HCCA_SIZE; - - entry = kmalloc(sizeof(struct voya_alloc_entry), GFP_ATOMIC); - if (!entry) - return ERR_PTR(-ENOMEM); - - entry->len = (size + 15) & ~15; - - /* - * The basis for this allocator is dwmw2's malloc.. the - * Matrox allocator :-) - */ - spin_lock_irqsave(&voya_list_lock, flags); - list_for_each(list, &voya_alloc_list) { - struct voya_alloc_entry *p; - - p = list_entry(list, struct voya_alloc_entry, list); - - if (p->ofs - start >= size) - goto out; - - start = p->ofs + p->len; - } - - end = start + (OHCI_SRAM_SIZE - OHCI_HCCA_SIZE); - list = &voya_alloc_list; - - if (end - start >= size) { -out: - entry->ofs = start; - list_add_tail(&entry->list, list); - spin_unlock_irqrestore(&voya_list_lock, flags); - - *handle = start; - return (void *)start; - } - - kfree(entry); - spin_unlock_irqrestore(&voya_list_lock, flags); - - return ERR_PTR(-EINVAL); -} - -int voyagergx_consistent_free(struct device *dev, size_t size, - void *vaddr, dma_addr_t handle) -{ - struct voya_alloc_entry *entry; - struct sh_dev *shdev = to_sh_dev(dev); - unsigned long flags; - - if (!dev || dev->bus != &sh_bus_types[SH_BUS_VIRT] || - (dev->bus == &sh_bus_types[SH_BUS_VIRT] && - shdev->dev_id != SH_DEV_ID_USB_OHCI)) - return -EINVAL; - - spin_lock_irqsave(&voya_list_lock, flags); - list_for_each_entry(entry, &voya_alloc_list, list) { - if (entry->ofs != handle) - continue; - - list_del(&entry->list); - kfree(entry); - - break; - } - spin_unlock_irqrestore(&voya_list_lock, flags); - - return 0; -} - -EXPORT_SYMBOL(voyagergx_consistent_alloc); -EXPORT_SYMBOL(voyagergx_consistent_free); - diff --git a/arch/sh/cchips/voyagergx/irq.c b/arch/sh/cchips/voyagergx/irq.c deleted file mode 100644 index 3079234cb65..00000000000 --- a/arch/sh/cchips/voyagergx/irq.c +++ /dev/null @@ -1,194 +0,0 @@ -/* -------------------------------------------------------------------- */ -/* setup_voyagergx.c: */ -/* -------------------------------------------------------------------- */ -/* This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Copyright 2003 (c) Lineo uSolutions,Inc. -*/ -/* -------------------------------------------------------------------- */ - -#undef DEBUG - -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/irq.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/rts7751r2d/rts7751r2d.h> -#include <asm/rts7751r2d/voyagergx_reg.h> - -static void disable_voyagergx_irq(unsigned int irq) -{ - unsigned long flags, val; - unsigned long mask = 1 << (irq - VOYAGER_IRQ_BASE); - - pr_debug("disable_voyagergx_irq(%d): mask=%x\n", irq, mask); - local_irq_save(flags); - val = inl(VOYAGER_INT_MASK); - val &= ~mask; - outl(val, VOYAGER_INT_MASK); - local_irq_restore(flags); -} - - -static void enable_voyagergx_irq(unsigned int irq) -{ - unsigned long flags, val; - unsigned long mask = 1 << (irq - VOYAGER_IRQ_BASE); - - pr_debug("disable_voyagergx_irq(%d): mask=%x\n", irq, mask); - local_irq_save(flags); - val = inl(VOYAGER_INT_MASK); - val |= mask; - outl(val, VOYAGER_INT_MASK); - local_irq_restore(flags); -} - - -static void mask_and_ack_voyagergx(unsigned int irq) -{ - disable_voyagergx_irq(irq); -} - -static void end_voyagergx_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_voyagergx_irq(irq); -} - -static unsigned int startup_voyagergx_irq(unsigned int irq) -{ - enable_voyagergx_irq(irq); - return 0; -} - -static void shutdown_voyagergx_irq(unsigned int irq) -{ - disable_voyagergx_irq(irq); -} - -static struct hw_interrupt_type voyagergx_irq_type = { - "VOYAGERGX-IRQ", - startup_voyagergx_irq, - shutdown_voyagergx_irq, - enable_voyagergx_irq, - disable_voyagergx_irq, - mask_and_ack_voyagergx, - end_voyagergx_irq, -}; - -static irqreturn_t voyagergx_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - printk(KERN_INFO - "VoyagerGX: spurious interrupt, status: 0x%x\n", - inl(INT_STATUS)); - return IRQ_HANDLED; -} - - -/*====================================================*/ - -static struct { - int (*func)(int, void *); - void *dev; -} voyagergx_demux[VOYAGER_IRQ_NUM]; - -void voyagergx_register_irq_demux(int irq, - int (*demux)(int irq, void *dev), void *dev) -{ - voyagergx_demux[irq - VOYAGER_IRQ_BASE].func = demux; - voyagergx_demux[irq - VOYAGER_IRQ_BASE].dev = dev; -} - -void voyagergx_unregister_irq_demux(int irq) -{ - voyagergx_demux[irq - VOYAGER_IRQ_BASE].func = 0; -} - -int voyagergx_irq_demux(int irq) -{ - - if (irq == IRQ_VOYAGER ) { - unsigned long i = 0, bit __attribute__ ((unused)); - unsigned long val = inl(INT_STATUS); -#if 1 - if ( val & ( 1 << 1 )){ - i = 1; - } else if ( val & ( 1 << 2 )){ - i = 2; - } else if ( val & ( 1 << 6 )){ - i = 6; - } else if( val & ( 1 << 10 )){ - i = 10; - } else if( val & ( 1 << 11 )){ - i = 11; - } else if( val & ( 1 << 12 )){ - i = 12; - } else if( val & ( 1 << 17 )){ - i = 17; - } else { - printk("Unexpected IRQ irq = %d status = 0x%08lx\n", irq, val); - } - pr_debug("voyagergx_irq_demux %d \n", i); -#else - for (bit = 1, i = 0 ; i < VOYAGER_IRQ_NUM ; bit <<= 1, i++) - if (val & bit) - break; -#endif - if (i < VOYAGER_IRQ_NUM) { - irq = VOYAGER_IRQ_BASE + i; - if (voyagergx_demux[i].func != 0) - irq = voyagergx_demux[i].func(irq, voyagergx_demux[i].dev); - } - } - return irq; -} - -static struct irqaction irq0 = { voyagergx_interrupt, SA_INTERRUPT, 0, "VOYAGERGX", NULL, NULL}; - -void __init setup_voyagergx_irq(void) -{ - int i, flag; - - printk(KERN_INFO "VoyagerGX configured at 0x%x on irq %d(mapped into %d to %d)\n", - VOYAGER_BASE, - IRQ_VOYAGER, - VOYAGER_IRQ_BASE, - VOYAGER_IRQ_BASE + VOYAGER_IRQ_NUM - 1); - - for (i=0; i<VOYAGER_IRQ_NUM; i++) { - flag = 0; - switch (VOYAGER_IRQ_BASE + i) { - case VOYAGER_USBH_IRQ: - case VOYAGER_8051_IRQ: - case VOYAGER_UART0_IRQ: - case VOYAGER_UART1_IRQ: - case VOYAGER_AC97_IRQ: - flag = 1; - } - if (flag == 1) - irq_desc[VOYAGER_IRQ_BASE + i].handler = &voyagergx_irq_type; - } - - setup_irq(IRQ_VOYAGER, &irq0); -} - diff --git a/arch/sh/cchips/voyagergx/setup.c b/arch/sh/cchips/voyagergx/setup.c deleted file mode 100644 index 139ca88ac9e..00000000000 --- a/arch/sh/cchips/voyagergx/setup.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * arch/sh/cchips/voyagergx/setup.c - * - * Setup routines for VoyagerGX cchip. - * - * Copyright (C) 2003 Lineo uSolutions, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ -#include <linux/init.h> -#include <linux/module.h> -#include <asm/io.h> -#include <asm/rts7751r2d/voyagergx_reg.h> - -static int __init setup_voyagergx(void) -{ - unsigned long val; - - val = inl(DRAM_CTRL); - val |= (DRAM_CTRL_CPU_COLUMN_SIZE_256 | - DRAM_CTRL_CPU_ACTIVE_PRECHARGE | - DRAM_CTRL_CPU_RESET | - DRAM_CTRL_REFRESH_COMMAND | - DRAM_CTRL_BLOCK_WRITE_TIME | - DRAM_CTRL_BLOCK_WRITE_PRECHARGE | - DRAM_CTRL_ACTIVE_PRECHARGE | - DRAM_CTRL_RESET | - DRAM_CTRL_REMAIN_ACTIVE); - outl(val, DRAM_CTRL); - - return 0; -} - -module_init(setup_voyagergx); |
