patch-1.3.48 linux/arch/mips/kernel/jazz-c.c

• Lines: 100
• Date: Wed Dec 13 12:39:43 1995
• Orig file: v1.3.47/linux/arch/mips/kernel/jazz-c.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.47/linux/arch/mips/kernel/jazz-c.c linux/arch/mips/kernel/jazz-c.c
@@ -0,0 +1,99 @@
+/*
+ * Jazz specific C parts
+ *
+ * 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) 1995 by Ralf Baechle
+ */
+#include <linux/delay.h>
+
+#include <asm/cachectl.h>
+#include <asm/jazz.h>
+#include <asm/jazzdma.h>
+#include <asm/segment.h>
+
+unsigned char jazz_fd_inb(unsigned int port)
+{
+	unsigned char c;
+
+	c = *(volatile unsigned char *) port;
+	udelay(1);
+
+	return c;
+}
+
+void jazz_fd_outb(unsigned char value, unsigned int port)
+{
+	*(volatile unsigned char *) port = value;
+}
+
+/*
+ * How to access the floppy DMA functions.
+ */
+void jazz_fd_enable_dma(void)
+{
+	vdma_enable(JAZZ_FLOPPY_DMA);
+}
+
+void jazz_fd_disable_dma(void)
+{
+	vdma_disable(JAZZ_FLOPPY_DMA);
+}
+
+int jazz_fd_request_dma(void)
+{
+	return 0;
+}
+
+void jazz_fd_free_dma(void)
+{
+}
+
+void jazz_fd_clear_dma_ff(void)
+{
+}
+
+void jazz_fd_set_dma_mode(char mode)
+{
+	vdma_set_mode(JAZZ_FLOPPY_DMA, mode);
+}
+
+void jazz_fd_set_dma_addr(unsigned int a)
+{
+	vdma_set_addr(JAZZ_FLOPPY_DMA, vdma_phys2log(PHYSADDR(a)));
+}
+
+void jazz_fd_set_dma_count(unsigned int count)
+{
+	vdma_set_count(JAZZ_FLOPPY_DMA, count);
+}
+
+int jazz_fd_get_dma_residue(void)
+{
+	return vdma_get_residue(JAZZ_FLOPPY_DMA);
+}
+
+void jazz_fd_enable_irq(void)
+{
+}
+
+void jazz_fd_disable_irq(void)
+{
+}
+
+void jazz_fd_cacheflush(unsigned char *addr, unsigned int size)
+{
+	sys_cacheflush((void *)addr, size, DCACHE);
+}
+
+unsigned char jazz_rtc_read_data(void)
+{
+	return *(char *)JAZZ_RTC_BASE;
+}
+
+void jazz_rtc_write_data(unsigned char data)
+{
+	*(char *)JAZZ_RTC_BASE = data;
+}