aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/jmr3927/common
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/jmr3927/common')
-rw-r--r--arch/mips/jmr3927/common/Makefile2
-rw-r--r--arch/mips/jmr3927/common/prom.c12
-rw-r--r--arch/mips/jmr3927/common/puts.c122
-rw-r--r--arch/mips/jmr3927/common/rtc_ds1742.c171
4 files changed, 10 insertions, 297 deletions
diff --git a/arch/mips/jmr3927/common/Makefile b/arch/mips/jmr3927/common/Makefile
index cb09a8eede1..01e7db19bcb 100644
--- a/arch/mips/jmr3927/common/Makefile
+++ b/arch/mips/jmr3927/common/Makefile
@@ -2,4 +2,4 @@
# Makefile for the common code of TOSHIBA JMR-TX3927 board
#
-obj-y += prom.o puts.o rtc_ds1742.o
+obj-y += prom.o puts.o
diff --git a/arch/mips/jmr3927/common/prom.c b/arch/mips/jmr3927/common/prom.c
index aa481b774c4..5398813e50e 100644
--- a/arch/mips/jmr3927/common/prom.c
+++ b/arch/mips/jmr3927/common/prom.c
@@ -41,16 +41,6 @@
#include <asm/bootinfo.h>
-extern int prom_argc;
-extern char **prom_argv, **prom_envp;
-
-typedef struct
-{
- char *name;
-/* char *val; */
-}t_env_var;
-
-
char * __init prom_getcmdline(void)
{
return &(arcs_cmdline[0]);
@@ -60,6 +50,8 @@ void __init prom_init_cmdline(void)
{
char *cp;
int actr;
+ int prom_argc = fw_arg0;
+ char **prom_argv = (char **) fw_arg1;
actr = 1; /* Always ignore argv[0] */
diff --git a/arch/mips/jmr3927/common/puts.c b/arch/mips/jmr3927/common/puts.c
index 1c1cad9cd07..c611ab49788 100644
--- a/arch/mips/jmr3927/common/puts.c
+++ b/arch/mips/jmr3927/common/puts.c
@@ -32,137 +32,29 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/types.h>
-#include <asm/jmr3927/txx927.h>
#include <asm/jmr3927/tx3927.h>
-#include <asm/jmr3927/jmr3927.h>
#define TIMEOUT 0xffffff
-#define SLOW_DOWN
-
-static const char digits[16] = "0123456789abcdef";
-
-#ifdef SLOW_DOWN
-#define slow_down() { int k; for (k=0; k<10000; k++); }
-#else
-#define slow_down()
-#endif
void
-putch(const unsigned char c)
+prom_putchar(char c)
{
int i = 0;
do {
- slow_down();
i++;
- if (i>TIMEOUT) {
+ if (i>TIMEOUT)
break;
- }
} while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS));
tx3927_sioptr(1)->tfifo = c;
return;
}
-unsigned char getch(void)
-{
- int i = 0;
- int dicr;
- char c;
-
- /* diable RX int. */
- dicr = tx3927_sioptr(1)->dicr;
- tx3927_sioptr(1)->dicr = 0;
-
- do {
- slow_down();
- i++;
- if (i>TIMEOUT) {
- break;
- }
- } while (tx3927_sioptr(1)->disr & TXx927_SIDISR_UVALID)
- ;
- c = tx3927_sioptr(1)->rfifo;
-
- /* clear RX int. status */
- tx3927_sioptr(1)->disr &= ~TXx927_SIDISR_RDIS;
- /* enable RX int. */
- tx3927_sioptr(1)->dicr = dicr;
-
- return c;
-}
-void
-do_jmr3927_led_set(char n)
-{
- /* and with current leds */
- jmr3927_led_and_set(n);
-}
-
void
-puts(unsigned char *cp)
+puts(const char *cp)
{
- int i = 0;
-
- while (*cp) {
- do {
- slow_down();
- i++;
- if (i>TIMEOUT) {
- break;
- }
- } while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS));
- tx3927_sioptr(1)->tfifo = *cp++;
- }
- putch('\r');
- putch('\n');
-}
-
-void
-fputs(unsigned char *cp)
-{
- int i = 0;
-
- while (*cp) {
- do {
- slow_down();
- i++;
- if (i>TIMEOUT) {
- break;
- }
- } while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS));
- tx3927_sioptr(1)->tfifo = *cp++;
- }
-}
-
-
-void
-put64(uint64_t ul)
-{
- int cnt;
- unsigned ch;
-
- cnt = 16; /* 16 nibbles in a 64 bit long */
- putch('0');
- putch('x');
- do {
- cnt--;
- ch = (unsigned char)(ul >> cnt * 4) & 0x0F;
- putch(digits[ch]);
- } while (cnt > 0);
-}
-
-void
-put32(unsigned u)
-{
- int cnt;
- unsigned ch;
-
- cnt = 8; /* 8 nibbles in a 32 bit long */
- putch('0');
- putch('x');
- do {
- cnt--;
- ch = (unsigned char)(u >> cnt * 4) & 0x0F;
- putch(digits[ch]);
- } while (cnt > 0);
+ while (*cp)
+ prom_putchar(*cp++);
+ prom_putchar('\r');
+ prom_putchar('\n');
}
diff --git a/arch/mips/jmr3927/common/rtc_ds1742.c b/arch/mips/jmr3927/common/rtc_ds1742.c
deleted file mode 100644
index e6561345d12..00000000000
--- a/arch/mips/jmr3927/common/rtc_ds1742.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ahennessy@mvista.com
- *
- * arch/mips/jmr3927/common/rtc_ds1742.c
- * Based on arch/mips/ddb5xxx/common/rtc_ds1386.c
- * low-level RTC hookups for s for Dallas 1742 chip.
- *
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.
- */
-
-
-/*
- * This file exports a function, rtc_ds1386_init(), which expects an
- * uncached base address as the argument. It will set the two function
- * pointers expected by the MIPS generic timer code.
- */
-
-#include <linux/bcd.h>
-#include <linux/types.h>
-#include <linux/time.h>
-#include <linux/rtc.h>
-#include <linux/ds1742rtc.h>
-
-#include <asm/time.h>
-#include <asm/addrspace.h>
-
-#include <asm/debug.h>
-
-#define EPOCH 2000
-
-static unsigned long rtc_base;
-
-static unsigned long
-rtc_ds1742_get_time(void)
-{
- unsigned int year, month, day, hour, minute, second;
- unsigned int century;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- rtc_write(RTC_READ, RTC_CONTROL);
- second = BCD2BIN(rtc_read(RTC_SECONDS) & RTC_SECONDS_MASK);
- minute = BCD2BIN(rtc_read(RTC_MINUTES));
- hour = BCD2BIN(rtc_read(RTC_HOURS));
- day = BCD2BIN(rtc_read(RTC_DATE));
- month = BCD2BIN(rtc_read(RTC_MONTH));
- year = BCD2BIN(rtc_read(RTC_YEAR));
- century = BCD2BIN(rtc_read(RTC_CENTURY) & RTC_CENTURY_MASK);
- rtc_write(0, RTC_CONTROL);
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- year += century * 100;
-
- return mktime(year, month, day, hour, minute, second);
-}
-extern void to_tm(unsigned long tim, struct rtc_time * tm);
-
-static int
-rtc_ds1742_set_time(unsigned long t)
-{
- struct rtc_time tm;
- u8 year, month, day, hour, minute, second;
- u8 cmos_year, cmos_month, cmos_day, cmos_hour, cmos_minute, cmos_second;
- int cmos_century;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- rtc_write(RTC_READ, RTC_CONTROL);
- cmos_second = (u8)(rtc_read(RTC_SECONDS) & RTC_SECONDS_MASK);
- cmos_minute = (u8)rtc_read(RTC_MINUTES);
- cmos_hour = (u8)rtc_read(RTC_HOURS);
- cmos_day = (u8)rtc_read(RTC_DATE);
- cmos_month = (u8)rtc_read(RTC_MONTH);
- cmos_year = (u8)rtc_read(RTC_YEAR);
- cmos_century = rtc_read(RTC_CENTURY) & RTC_CENTURY_MASK;
-
- rtc_write(RTC_WRITE, RTC_CONTROL);
-
- /* convert */
- to_tm(t, &tm);
-
- /* check each field one by one */
- year = BIN2BCD(tm.tm_year - EPOCH);
- if (year != cmos_year) {
- rtc_write(year,RTC_YEAR);
- }
-
- month = BIN2BCD(tm.tm_mon);
- if (month != (cmos_month & 0x1f)) {
- rtc_write((month & 0x1f) | (cmos_month & ~0x1f),RTC_MONTH);
- }
-
- day = BIN2BCD(tm.tm_mday);
- if (day != cmos_day) {
-
- rtc_write(day, RTC_DATE);
- }
-
- if (cmos_hour & 0x40) {
- /* 12 hour format */
- hour = 0x40;
- if (tm.tm_hour > 12) {
- hour |= 0x20 | (BIN2BCD(hour-12) & 0x1f);
- } else {
- hour |= BIN2BCD(tm.tm_hour);
- }
- } else {
- /* 24 hour format */
- hour = BIN2BCD(tm.tm_hour) & 0x3f;
- }
- if (hour != cmos_hour) rtc_write(hour, RTC_HOURS);
-
- minute = BIN2BCD(tm.tm_min);
- if (minute != cmos_minute) {
- rtc_write(minute, RTC_MINUTES);
- }
-
- second = BIN2BCD(tm.tm_sec);
- if (second != cmos_second) {
- rtc_write(second & RTC_SECONDS_MASK,RTC_SECONDS);
- }
-
- /* RTC_CENTURY and RTC_CONTROL share same address... */
- rtc_write(cmos_century, RTC_CONTROL);
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- return 0;
-}
-
-void
-rtc_ds1742_init(unsigned long base)
-{
- u8 cmos_second;
-
- /* remember the base */
- rtc_base = base;
- db_assert((rtc_base & 0xe0000000) == KSEG1);
-
- /* set the function pointers */
- rtc_mips_get_time = rtc_ds1742_get_time;
- rtc_mips_set_time = rtc_ds1742_set_time;
-
- /* clear oscillator stop bit */
- rtc_write(RTC_READ, RTC_CONTROL);
- cmos_second = (u8)(rtc_read(RTC_SECONDS) & RTC_SECONDS_MASK);
- rtc_write(RTC_WRITE, RTC_CONTROL);
- rtc_write(cmos_second, RTC_SECONDS); /* clear msb */
- rtc_write(0, RTC_CONTROL);
-}