diff options
Diffstat (limited to 'include/asm-mips/mach-jazz')
| -rw-r--r-- | include/asm-mips/mach-jazz/floppy.h | 135 | ||||
| -rw-r--r-- | include/asm-mips/mach-jazz/mc146818rtc.h | 34 | ||||
| -rw-r--r-- | include/asm-mips/mach-jazz/param.h | 16 | ||||
| -rw-r--r-- | include/asm-mips/mach-jazz/timex.h | 16 |
4 files changed, 201 insertions, 0 deletions
diff --git a/include/asm-mips/mach-jazz/floppy.h b/include/asm-mips/mach-jazz/floppy.h new file mode 100644 index 0000000..8cf0d04 --- /dev/null +++ b/include/asm-mips/mach-jazz/floppy.h @@ -0,0 +1,135 @@ +/* + * 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. + * + * Copyright (C) 1998, 2003 by Ralf Baechle + */ +#ifndef __ASM_MACH_JAZZ_FLOPPY_H +#define __ASM_MACH_JAZZ_FLOPPY_H + +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/linkage.h> +#include <linux/types.h> +#include <linux/mm.h> +#include <asm/addrspace.h> +#include <asm/jazz.h> +#include <asm/jazzdma.h> +#include <asm/pgtable.h> + +static inline unsigned char fd_inb(unsigned int port) +{ + unsigned char c; + + c = *(volatile unsigned char *) port; + udelay(1); + + return c; +} + +static inline void fd_outb(unsigned char value, unsigned int port) +{ + *(volatile unsigned char *) port = value; +} + +/* + * How to access the floppy DMA functions. + */ +static inline void fd_enable_dma(void) +{ + vdma_enable(JAZZ_FLOPPY_DMA); +} + +static inline void fd_disable_dma(void) +{ + vdma_disable(JAZZ_FLOPPY_DMA); +} + +static inline int fd_request_dma(void) +{ + return 0; +} + +static inline void fd_free_dma(void) +{ +} + +static inline void fd_clear_dma_ff(void) +{ +} + +static inline void fd_set_dma_mode(char mode) +{ + vdma_set_mode(JAZZ_FLOPPY_DMA, mode); +} + +static inline void fd_set_dma_addr(char *a) +{ + vdma_set_addr(JAZZ_FLOPPY_DMA, vdma_phys2log(CPHYSADDR((unsigned long)a))); +} + +static inline void fd_set_dma_count(unsigned int count) +{ + vdma_set_count(JAZZ_FLOPPY_DMA, count); +} + +static inline int fd_get_dma_residue(void) +{ + return vdma_get_residue(JAZZ_FLOPPY_DMA); +} + +static inline void fd_enable_irq(void) +{ +} + +static inline void fd_disable_irq(void) +{ +} + +static inline int fd_request_irq(void) +{ + return request_irq(FLOPPY_IRQ, floppy_interrupt, + SA_INTERRUPT | SA_SAMPLE_RANDOM, "floppy", NULL); +} + +static inline void fd_free_irq(void) +{ + free_irq(FLOPPY_IRQ, NULL); +} + +static inline unsigned long fd_getfdaddr1(void) +{ + return JAZZ_FDC_BASE; +} + +static inline unsigned long fd_dma_mem_alloc(unsigned long size) +{ + unsigned long mem; + + mem = __get_dma_pages(GFP_KERNEL, get_order(size)); + if(!mem) + return 0; + vdma_alloc(CPHYSADDR(mem), size); /* XXX error checking */ + + return mem; +} + +static inline void fd_dma_mem_free(unsigned long addr, unsigned long size) +{ + vdma_free(vdma_phys2log(CPHYSADDR(addr))); + free_pages(addr, get_order(size)); +} + +static inline unsigned long fd_drive_type(unsigned long n) +{ + /* XXX This is wrong for machines with ED 2.88mb disk drives like the + Olivetti M700. Anyway, we should suck this from the ARC + firmware. */ + if (n == 0) + return 4; /* 3,5", 1.44mb */ + + return 0; +} + +#endif /* __ASM_MACH_JAZZ_FLOPPY_H */ diff --git a/include/asm-mips/mach-jazz/mc146818rtc.h b/include/asm-mips/mach-jazz/mc146818rtc.h new file mode 100644 index 0000000..f44fdba --- /dev/null +++ b/include/asm-mips/mach-jazz/mc146818rtc.h @@ -0,0 +1,34 @@ +/* + * 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. + * + * Copyright (C) 1998, 2001, 03 by Ralf Baechle + * + * RTC routines for Jazz style attached Dallas chip. + */ +#ifndef __ASM_MACH_JAZZ_MC146818RTC_H +#define __ASM_MACH_JAZZ_MC146818RTC_H + +#include <asm/io.h> +#include <asm/jazz.h> + +#define RTC_PORT(x) (0x70 + (x)) +#define RTC_IRQ 8 + +static inline unsigned char CMOS_READ(unsigned long addr) +{ + outb_p(addr, RTC_PORT(0)); + + return *(char *)JAZZ_RTC_BASE; +} + +static inline void CMOS_WRITE(unsigned char data, unsigned long addr) +{ + outb_p(addr, RTC_PORT(0)); + *(char *)JAZZ_RTC_BASE = data; +} + +#define RTC_ALWAYS_BCD 0 + +#endif /* __ASM_MACH_JAZZ_MC146818RTC_H */ diff --git a/include/asm-mips/mach-jazz/param.h b/include/asm-mips/mach-jazz/param.h new file mode 100644 index 0000000..639763a --- /dev/null +++ b/include/asm-mips/mach-jazz/param.h @@ -0,0 +1,16 @@ +/* + * 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. + * + * Copyright (C) 2003 by Ralf Baechle + */ +#ifndef __ASM_MACH_JAZZ_PARAM_H +#define __ASM_MACH_JAZZ_PARAM_H + +/* + * Jazz is currently using the internal 100Hz timer of the R4030 + */ +#define HZ 100 /* Internal kernel timer frequency */ + +#endif /* __ASM_MACH_JAZZ_PARAM_H */ diff --git a/include/asm-mips/mach-jazz/timex.h b/include/asm-mips/mach-jazz/timex.h new file mode 100644 index 0000000..93affa3 --- /dev/null +++ b/include/asm-mips/mach-jazz/timex.h @@ -0,0 +1,16 @@ +/* + * 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. + * + * Copyright (C) 2003 by Ralf Baechle + */ +#ifndef __ASM_MACH_JAZZ_TIMEX_H +#define __ASM_MACH_JAZZ_TIMEX_H + +/* + * Jazz is still using the R4030 100Hz counter + */ +#define CLOCK_TICK_RATE 100 + +#endif /* __ASM_MACH_JAZZ_TIMEX_H */ |
