diff options
Diffstat (limited to 'arch/mips/ite-boards/generic/puts.c')
| -rw-r--r-- | arch/mips/ite-boards/generic/puts.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/arch/mips/ite-boards/generic/puts.c b/arch/mips/ite-boards/generic/puts.c deleted file mode 100644 index 20b02df6b41..00000000000 --- a/arch/mips/ite-boards/generic/puts.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * Low level uart routines to directly access a 16550 uart. - * - * Copyright 2000,2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * 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. - */ - -#include <linux/types.h> - -#define SERIAL_BASE 0xB4011800 /* it8172 */ -#define SER_CMD 5 -#define SER_DATA 0x00 -#define TX_BUSY 0x20 - -#define TIMEOUT 0xffff -#undef SLOW_DOWN - -static const char digits[16] = "0123456789abcdef"; -static volatile unsigned char *const com1 = (unsigned char *) SERIAL_BASE; - - -#ifdef SLOW_DOWN -static inline void slow_down() -{ - int k; - for (k = 0; k < 10000; k++); -} -#else -#define slow_down() -#endif - -void putch(const unsigned char c) -{ - unsigned char ch; - int i = 0; - - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i > TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = c; -} - -void puts(unsigned char *cp) -{ - unsigned char ch; - int i = 0; - - while (*cp) { - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i > TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = *cp++; - } - putch('\r'); - putch('\n'); -} - -void fputs(unsigned char *cp) -{ - unsigned char ch; - int i = 0; - - while (*cp) { - - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i > TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = *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); -} |