summaryrefslogtreecommitdiff
path: root/arch/sh64/kernel/early_printk.c
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2007-11-21 14:27:52 (GMT)
committerPaul Mundt <lethal@linux-sh.org>2008-01-28 04:18:55 (GMT)
commitb4eaa1cc7ce8203ac9af9184c49c635ce79592b1 (patch)
tree83d71382fed9cc992cd6a1c23e6ec28fef304f2a /arch/sh64/kernel/early_printk.c
parent18bc81319b438ae3266e1b2653ce874912dae891 (diff)
downloadlinux-b4eaa1cc7ce8203ac9af9184c49c635ce79592b1.tar.xz
sh: Kill off the rest of arch/sh64/kernel/.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh64/kernel/early_printk.c')
-rw-r--r--arch/sh64/kernel/early_printk.c99
1 files changed, 0 insertions, 99 deletions
diff --git a/arch/sh64/kernel/early_printk.c b/arch/sh64/kernel/early_printk.c
deleted file mode 100644
index 4f91311..0000000
--- a/arch/sh64/kernel/early_printk.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * arch/sh64/kernel/early_printk.c
- *
- * SH-5 Early SCIF console (cloned and hacked from sh implementation)
- *
- * Copyright (C) 2003, 2004 Paul Mundt <lethal@linux-sh.org>
- * Copyright (C) 2002 M. R. Brown <mrbrown@0xd6.org>
- *
- * 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/console.h>
-#include <linux/tty.h>
-#include <linux/init.h>
-#include <asm/io.h>
-#include <asm/hardware.h>
-
-#define SCIF_BASE_ADDR 0x01030000
-#define SCIF_ADDR_SH5 PHYS_PERIPHERAL_BLOCK+SCIF_BASE_ADDR
-
-/*
- * Fixed virtual address where SCIF is mapped (should already be done
- * in arch/sh64/kernel/head.S!).
- */
-#define SCIF_REG 0xfa030000
-
-enum {
- SCIF_SCSMR2 = SCIF_REG + 0x00,
- SCIF_SCBRR2 = SCIF_REG + 0x04,
- SCIF_SCSCR2 = SCIF_REG + 0x08,
- SCIF_SCFTDR2 = SCIF_REG + 0x0c,
- SCIF_SCFSR2 = SCIF_REG + 0x10,
- SCIF_SCFRDR2 = SCIF_REG + 0x14,
- SCIF_SCFCR2 = SCIF_REG + 0x18,
- SCIF_SCFDR2 = SCIF_REG + 0x1c,
- SCIF_SCSPTR2 = SCIF_REG + 0x20,
- SCIF_SCLSR2 = SCIF_REG + 0x24,
-};
-
-static void sh_console_putc(int c)
-{
- while (!(ctrl_inw(SCIF_SCFSR2) & 0x20))
- cpu_relax();
-
- ctrl_outb(c, SCIF_SCFTDR2);
- ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0x9f), SCIF_SCFSR2);
-
- if (c == '\n')
- sh_console_putc('\r');
-}
-
-static void sh_console_flush(void)
-{
- ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0xbf), SCIF_SCFSR2);
-
- while (!(ctrl_inw(SCIF_SCFSR2) & 0x40))
- cpu_relax();
-
- ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0xbf), SCIF_SCFSR2);
-}
-
-static void sh_console_write(struct console *con, const char *s, unsigned count)
-{
- while (count-- > 0)
- sh_console_putc(*s++);
-
- sh_console_flush();
-}
-
-static int __init sh_console_setup(struct console *con, char *options)
-{
- con->cflag = CREAD | HUPCL | CLOCAL | B19200 | CS8;
-
- return 0;
-}
-
-static struct console sh_console = {
- .name = "scifcon",
- .write = sh_console_write,
- .setup = sh_console_setup,
- .flags = CON_PRINTBUFFER | CON_BOOT,
- .index = -1,
-};
-
-void __init enable_early_printk(void)
-{
- ctrl_outb(0x2a, SCIF_SCBRR2); /* 19200bps */
-
- ctrl_outw(0x04, SCIF_SCFCR2); /* Reset TFRST */
- ctrl_outw(0x10, SCIF_SCFCR2); /* TTRG0=1 */
-
- ctrl_outw(0, SCIF_SCSPTR2);
- ctrl_outw(0x60, SCIF_SCFSR2);
- ctrl_outw(0, SCIF_SCLSR2);
- ctrl_outw(0x30, SCIF_SCSCR2);
-
- register_console(&sh_console);
-}