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-rw-r--r--include/asm-mn10300/unit-asb2303/serial.h136
1 files changed, 0 insertions, 136 deletions
diff --git a/include/asm-mn10300/unit-asb2303/serial.h b/include/asm-mn10300/unit-asb2303/serial.h
deleted file mode 100644
index 0d55cf5896ac..000000000000
--- a/include/asm-mn10300/unit-asb2303/serial.h
+++ /dev/null
@@ -1,136 +0,0 @@
1/* ASB2303-specific 8250 serial ports
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#ifndef _ASM_UNIT_SERIAL_H
13#define _ASM_UNIT_SERIAL_H
14
15#include <asm/cpu-regs.h>
16#include <asm/proc/irq.h>
17#include <linux/serial_reg.h>
18
19#define SERIAL_PORT0_BASE_ADDRESS 0xA6FB0000
20#define SERIAL_PORT1_BASE_ADDRESS 0xA6FC0000
21
22#define SERIAL_IRQ XIRQ0 /* Dual serial (PC16552) (Hi) */
23
24/*
25 * dispose of the /dev/ttyS0 and /dev/ttyS1 serial ports
26 */
27#ifndef CONFIG_GDBSTUB_ON_TTYSx
28
29#define SERIAL_PORT_DFNS \
30 { \
31 .baud_base = BASE_BAUD, \
32 .irq = SERIAL_IRQ, \
33 .flags = STD_COM_FLAGS, \
34 .iomem_base = (u8 *) SERIAL_PORT0_BASE_ADDRESS, \
35 .iomem_reg_shift = 2, \
36 .io_type = SERIAL_IO_MEM, \
37 }, \
38 { \
39 .baud_base = BASE_BAUD, \
40 .irq = SERIAL_IRQ, \
41 .flags = STD_COM_FLAGS, \
42 .iomem_base = (u8 *) SERIAL_PORT1_BASE_ADDRESS, \
43 .iomem_reg_shift = 2, \
44 .io_type = SERIAL_IO_MEM, \
45 },
46
47#ifndef __ASSEMBLY__
48
49static inline void __debug_to_serial(const char *p, int n)
50{
51}
52
53#endif /* !__ASSEMBLY__ */
54
55#else /* CONFIG_GDBSTUB_ON_TTYSx */
56
57#define SERIAL_PORT_DFNS /* both stolen by gdb-stub because they share an IRQ */
58
59#if defined(CONFIG_GDBSTUB_ON_TTYS0)
60#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX * 4, u8)
61#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX * 4, u8)
62#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 4, u8)
63#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 4, u8)
64#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 4, u8)
65#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 4, u8)
66#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 4, u8)
67#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 4, u8)
68#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 4, u8)
69#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 4, u8)
70#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 4, u8)
71#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 4, u8)
72#define GDBPORT_SERIAL_IRQ SERIAL_IRQ
73
74#elif defined(CONFIG_GDBSTUB_ON_TTYS1)
75#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_RX * 4, u8)
76#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_TX * 4, u8)
77#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_DLL * 4, u8)
78#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_DLM * 4, u8)
79#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_IER * 4, u8)
80#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_IIR * 4, u8)
81#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_FCR * 4, u8)
82#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_LCR * 4, u8)
83#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_MCR * 4, u8)
84#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_LSR * 4, u8)
85#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_MSR * 4, u8)
86#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_SCR * 4, u8)
87#define GDBPORT_SERIAL_IRQ SERIAL_IRQ
88#endif
89
90#ifndef __ASSEMBLY__
91
92#define LSR_WAIT_FOR(STATE) \
93do { \
94 while (!(GDBPORT_SERIAL_LSR & UART_LSR_##STATE)) {} \
95} while (0)
96#define FLOWCTL_WAIT_FOR(LINE) \
97do { \
98 while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE)) {} \
99} while (0)
100#define FLOWCTL_CLEAR(LINE) \
101do { \
102 GDBPORT_SERIAL_MCR &= ~UART_MCR_##LINE; \
103} while (0)
104#define FLOWCTL_SET(LINE) \
105do { \
106 GDBPORT_SERIAL_MCR |= UART_MCR_##LINE; \
107} while (0)
108#define FLOWCTL_QUERY(LINE) ({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; })
109
110static inline void __debug_to_serial(const char *p, int n)
111{
112 char ch;
113
114 FLOWCTL_SET(DTR);
115
116 for (; n > 0; n--) {
117 LSR_WAIT_FOR(THRE);
118 FLOWCTL_WAIT_FOR(CTS);
119
120 ch = *p++;
121 if (ch == 0x0a) {
122 GDBPORT_SERIAL_TX = 0x0d;
123 LSR_WAIT_FOR(THRE);
124 FLOWCTL_WAIT_FOR(CTS);
125 }
126 GDBPORT_SERIAL_TX = ch;
127 }
128
129 FLOWCTL_CLEAR(DTR);
130}
131
132#endif /* !__ASSEMBLY__ */
133
134#endif /* CONFIG_GDBSTUB_ON_TTYSx */
135
136#endif /* _ASM_UNIT_SERIAL_H */
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