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-rw-r--r--arch/mn10300/unit-asb2364/include/unit/serial.h151
1 files changed, 0 insertions, 151 deletions
diff --git a/arch/mn10300/unit-asb2364/include/unit/serial.h b/arch/mn10300/unit-asb2364/include/unit/serial.h
deleted file mode 100644
index 92f224a97efc..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/serial.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/* Unit-specific 8250 serial ports
- *
- * Copyright (C) 2005 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.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.
- */
-
-#ifndef _ASM_UNIT_SERIAL_H
-#define _ASM_UNIT_SERIAL_H
-
-#include <asm/cpu-regs.h>
-#include <proc/irq.h>
-#include <unit/fpga-regs.h>
-#include <linux/serial_reg.h>
-
-#define SERIAL_PORT0_BASE_ADDRESS 0xA8200000
-
-#define SERIAL_IRQ XIRQ1 /* single serial (TL16C550C) (Lo) */
-
-/*
- * The ASB2364 has an 12.288 MHz clock
- * for your UART.
- *
- * It'd be nice if someone built a serial card with a 24.576 MHz
- * clock, since the 16550A is capable of handling a top speed of 1.5
- * megabits/second; but this requires the faster clock.
- */
-#define BASE_BAUD (12288000 / 16)
-
-/*
- * dispose of the /dev/ttyS0 and /dev/ttyS1 serial ports
- */
-#ifndef CONFIG_GDBSTUB_ON_TTYSx
-
-#define SERIAL_PORT_DFNS \
- { \
- .baud_base = BASE_BAUD, \
- .irq = SERIAL_IRQ, \
- .flags = STD_COM_FLAGS, \
- .iomem_base = (u8 *) SERIAL_PORT0_BASE_ADDRESS, \
- .iomem_reg_shift = 1, \
- .io_type = SERIAL_IO_MEM, \
- },
-
-#ifndef __ASSEMBLY__
-
-static inline void __debug_to_serial(const char *p, int n)
-{
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#else /* CONFIG_GDBSTUB_ON_TTYSx */
-
-#define SERIAL_PORT_DFNS /* stolen by gdb-stub */
-
-#if defined(CONFIG_GDBSTUB_ON_TTYS0)
-#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX * 2, u8)
-#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX * 2, u8)
-#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 2, u8)
-#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 2, u8)
-#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 2, u8)
-#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 2, u8)
-#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 2, u8)
-#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 2, u8)
-#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 2, u8)
-#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 2, u8)
-#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 2, u8)
-#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 2, u8)
-#define GDBPORT_SERIAL_IRQ SERIAL_IRQ
-
-#elif defined(CONFIG_GDBSTUB_ON_TTYS1)
-#error The ASB2364 does not have a /dev/ttyS1
-#endif
-
-#ifndef __ASSEMBLY__
-
-static inline void __debug_to_serial(const char *p, int n)
-{
- char ch;
-
-#define LSR_WAIT_FOR(STATE) \
- do {} while (!(GDBPORT_SERIAL_LSR & UART_LSR_##STATE))
-#define FLOWCTL_QUERY(LINE) \
- ({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; })
-#define FLOWCTL_WAIT_FOR(LINE) \
- do {} while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE))
-#define FLOWCTL_CLEAR(LINE) \
- do { GDBPORT_SERIAL_MCR &= ~UART_MCR_##LINE; } while (0)
-#define FLOWCTL_SET(LINE) \
- do { GDBPORT_SERIAL_MCR |= UART_MCR_##LINE; } while (0)
-
- FLOWCTL_SET(DTR);
-
- for (; n > 0; n--) {
- LSR_WAIT_FOR(THRE);
- FLOWCTL_WAIT_FOR(CTS);
-
- ch = *p++;
- if (ch == 0x0a) {
- GDBPORT_SERIAL_TX = 0x0d;
- LSR_WAIT_FOR(THRE);
- FLOWCTL_WAIT_FOR(CTS);
- }
- GDBPORT_SERIAL_TX = ch;
- }
-
- FLOWCTL_CLEAR(DTR);
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* CONFIG_GDBSTUB_ON_TTYSx */
-
-#define SERIAL_INITIALIZE \
-do { \
- /* release reset */ \
- ASB2364_FPGA_REG_RESET_UART = 0x0001; \
- SyncExBus(); \
-} while (0)
-
-#define SERIAL_CHECK_INTERRUPT \
-do { \
- if ((ASB2364_FPGA_REG_IRQ_UART & 0x0001) == 0x0001) { \
- return IRQ_NONE; \
- } \
-} while (0)
-
-#define SERIAL_CLEAR_INTERRUPT \
-do { \
- ASB2364_FPGA_REG_IRQ_UART = 0x0001; \
- SyncExBus(); \
-} while (0)
-
-#define SERIAL_SET_INT_MASK \
-do { \
- ASB2364_FPGA_REG_MASK_UART = 0x0001; \
- SyncExBus(); \
-} while (0)
-
-#define SERIAL_CLEAR_INT_MASK \
-do { \
- ASB2364_FPGA_REG_MASK_UART = 0x0000; \
- SyncExBus(); \
-} while (0)
-
-#endif /* _ASM_UNIT_SERIAL_H */