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-rw-r--r--src/pc80/serial.inc107
1 files changed, 0 insertions, 107 deletions
diff --git a/src/pc80/serial.inc b/src/pc80/serial.inc
deleted file mode 100644
index 7b80697c85..0000000000
--- a/src/pc80/serial.inc
+++ /dev/null
@@ -1,107 +0,0 @@
-#include <part/fallback_boot.h>
-
-
-/* Base Address */
-#ifndef TTYS0_BASE
-#define TTYS0_BASE 0x3f8
-#endif
-
-/* Baud Rate */
-#ifndef TTYS0_BAUD
-#define TTYS0_BAUD 115200
-#endif
-
-#if ((115200%TTYS0_BAUD) != 0)
-#error Bad ttys0 baud rate
-#endif
-
-/* Baud Rate Divisor */
-#define TTYS0_DIV (115200/TTYS0_BAUD)
-#define TTYS0_DIV_LO (TTYS0_DIV&0xFF)
-#define TTYS0_DIV_HI ((TTYS0_DIV >> 8)&0xFF)
-
-/* Line Control Settings */
-#ifndef TTYS0_LCS
-/* Set 8bit, 1 stop bit, no parity */
-#define TTYS0_LCS 0x3
-#endif
-
-/* Data */
-#define TTYS0_RBR (TTYS0_BASE+0x00)
-
-/* Control */
-#define TTYS0_TBR TTYS0_RBR
-#define TTYS0_IER (TTYS0_BASE+0x01)
-#define TTYS0_IIR (TTYS0_BASE+0x02)
-#define TTYS0_FCR TTYS0_IIR
-#define TTYS0_LCR (TTYS0_BASE+0x03)
-#define TTYS0_MCR (TTYS0_BASE+0x04)
-#define TTYS0_DLL TTYS0_RBR
-#define TTYS0_DLM TTYS0_IER
-
-/* Status */
-#define TTYS0_LSR (TTYS0_BASE+0x05)
-#define TTYS0_MSR (TTYS0_BASE+0x06)
-#define TTYS0_SCR (TTYS0_BASE+0x07)
-
-#if USE_OPTION_TABLE == 1
-.section ".rom.data"
- .type div,@object
- .size div,8
-div:
-.byte 1,2,3,6,12,24,48,96
-
-.previous
-#endif
-
- jmp serial0
-
- /* uses: ax, dx */
-#define TTYS0_TX_AL \
- mov %al, %ah ; \
-9: mov $TTYS0_LSR, %dx ; \
- inb %dx, %al ; \
- test $0x20, %al ; \
- je 9b ; \
- mov $TTYS0_TBR, %dx ; \
- mov %ah, %al ; \
- outb %al, %dx
-
-serial_init:
- /* Set 115.2Kbps,8n1 */
- /* Set 8bit, 1 stop bit, no parity, DLAB */
- mov $TTYS0_LCR, %dx
- mov $(TTYS0_LCS | 0x80), %al
- out %al, %dx
-
- /* set Baud Rate Divisor to 1 ==> 115200 Buad */
-#if USE_OPTION_TABLE == 1
-
- movb $(RTC_BOOT_BYTE+1), %al
- outb %al, $0x70
- xorl %edx,%edx
- inb $0x71, %al
- andb $7,%al
- movb %al,%dl
- movb div(%edx),%al
- mov $TTYS0_DLL, %dx
- out %al, %dx
- mov $TTYS0_DLM, %dx
- xorb %al,%al
- out %al, %dx
-#else
- mov $TTYS0_DLL, %dx
- mov $TTYS0_DIV_LO, %al
- out %al, %dx
- mov $TTYS0_DLM, %dx
- mov $TTYS0_DIV_HI, %al
- out %al, %dx
-#endif
- /* Disable DLAB */
- mov $TTYS0_LCR, %dx
- mov $(TTYS0_LCS & 0x7f), %al
- out %al, %dx
- RETSP
-
-serial0:
- CALLSP(serial_init)