2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1999 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
14 * This assumes you have a 1.8432 MHz clock for your UART.
16 * It'd be nice if someone built a serial card with a 24.576 MHz
17 * clock, since the 16550A is capable of handling a top speed of 1.5
18 * megabits/second; but this requires the faster clock.
20 #define BASE_BAUD (1843200 / 16)
22 /* Standard COM flags (except for COM4, because of the 8514 problem) */
23 #ifdef CONFIG_SERIAL_DETECT_IRQ
24 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
25 #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
27 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
28 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
31 #ifdef CONFIG_MACH_JAZZ
34 #ifndef CONFIG_OLIVETTI_M700
35 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
36 exactly which ones ... XXX */
37 #define JAZZ_BASE_BAUD ( 8000000 / 16 ) /* ( 3072000 / 16) */
39 /* but the M700 isn't such a strange beast */
40 #define JAZZ_BASE_BAUD BASE_BAUD
43 #define _JAZZ_SERIAL_INIT(int, base) \
44 { .baud_base = JAZZ_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS, \
45 .iomem_base = (u8 *) base, .iomem_reg_shift = 0, \
46 .io_type = SERIAL_IO_MEM }
47 #define JAZZ_SERIAL_PORT_DEFNS \
48 _JAZZ_SERIAL_INIT(JAZZ_SERIAL1_IRQ, JAZZ_SERIAL1_BASE), \
49 _JAZZ_SERIAL_INIT(JAZZ_SERIAL2_IRQ, JAZZ_SERIAL2_BASE),
51 #define JAZZ_SERIAL_PORT_DEFNS
55 * Galileo EV64120 evaluation board
57 #ifdef CONFIG_MIPS_EV64120
58 #include <asm/galileo-boards/ev96100.h>
59 #include <asm/galileo-boards/ev96100int.h>
60 #define EV96100_SERIAL_PORT_DEFNS \
61 { .baud_base = EV96100_BASE_BAUD, .irq = EV96100INT_UART_0, \
62 .flags = STD_COM_FLAGS, \
63 .iomem_base = EV96100_UART0_REGS_BASE, .iomem_reg_shift = 2, \
64 .io_type = SERIAL_IO_MEM }, \
65 { .baud_base = EV96100_BASE_BAUD, .irq = EV96100INT_UART_0, \
66 .flags = STD_COM_FLAGS, \
67 .iomem_base = EV96100_UART1_REGS_BASE, .iomem_reg_shift = 2, \
68 .io_type = SERIAL_IO_MEM },
70 #define EV96100_SERIAL_PORT_DEFNS
73 #ifdef CONFIG_MIPS_ITE8172
74 #include <asm/it8172/it8172.h>
75 #include <asm/it8172/it8172_int.h>
76 #include <asm/it8712.h>
77 #define ITE_SERIAL_PORT_DEFNS \
78 { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_UART_BASE), \
79 .irq = IT8172_UART_IRQ, .flags = STD_COM_FLAGS, .port = PORT_16550 }, \
80 { .baud_base = (24000000/(16*13)), .port = (IT8172_PCI_IO_BASE + IT8712_UART1_PORT), \
81 .irq = IT8172_SERIRQ_4, .flags = STD_COM_FLAGS, .port = PORT_16550 }, \
82 /* Smart Card Reader 0 */ \
83 { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_SCR0_BASE), \
84 .irq = IT8172_SCR0_IRQ, .flags = STD_COM_FLAGS, .port = PORT_16550 }, \
85 /* Smart Card Reader 1 */ \
86 { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
87 .irq = IT8172_SCR1_IRQ, .flags = STD_COM_FLAGS, .port = PORT_16550 },
89 #define ITE_SERIAL_PORT_DEFNS
92 #ifdef CONFIG_MIPS_IVR
93 #include <asm/it8172/it8172.h>
94 #include <asm/it8172/it8172_int.h>
95 #define IVR_SERIAL_PORT_DEFNS \
96 { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_UART_BASE), \
97 .irq = IT8172_UART_IRQ, .flags = STD_COM_FLAGS, .port = PORT_16550 }, \
98 /* Smart Card Reader 1 */ \
99 { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
100 .irq = IT8172_SCR1_IRQ, .flags = STD_COM_FLAGS, .port = PORT_16550 },
102 #define IVR_SERIAL_PORT_DEFNS
105 #ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT
106 #define STD_SERIAL_PORT_DEFNS \
107 /* UART CLK PORT IRQ FLAGS */ \
108 { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
109 { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
110 { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
111 { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
113 #else /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
114 #define STD_SERIAL_PORT_DEFNS
115 #endif /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
117 #ifdef CONFIG_MOMENCO_JAGUAR_ATX
118 /* Ordinary NS16552 duart with a 20MHz crystal. */
119 #define JAGUAR_ATX_UART_CLK 20000000
120 #define JAGUAR_ATX_BASE_BAUD (JAGUAR_ATX_UART_CLK / 16)
122 #define JAGUAR_ATX_SERIAL1_IRQ 6
123 #define JAGUAR_ATX_SERIAL1_BASE 0xfd000023L
125 #define _JAGUAR_ATX_SERIAL_INIT(int, base) \
126 { .baud_base = JAGUAR_ATX_BASE_BAUD, irq: int, \
127 .flags = (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST), \
128 .iomem_base = (u8 *) base, iomem_reg_shift: 2, \
129 io_type: SERIAL_IO_MEM }
130 #define MOMENCO_JAGUAR_ATX_SERIAL_PORT_DEFNS \
131 _JAGUAR_ATX_SERIAL_INIT(JAGUAR_ATX_SERIAL1_IRQ, JAGUAR_ATX_SERIAL1_BASE)
133 #define MOMENCO_JAGUAR_ATX_SERIAL_PORT_DEFNS
136 #ifdef CONFIG_MOMENCO_OCELOT_3
137 #define OCELOT_3_BASE_BAUD ( 20000000 / 16 )
138 #define OCELOT_3_SERIAL_IRQ 6
139 #define OCELOT_3_SERIAL_BASE (signed)0xfd000020
141 #define _OCELOT_3_SERIAL_INIT(int, base) \
142 { .baud_base = OCELOT_3_BASE_BAUD, irq: int, \
143 .flags = STD_COM_FLAGS, \
144 .iomem_base = (u8 *) base, iomem_reg_shift: 2, \
145 io_type: SERIAL_IO_MEM }
147 #define MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS \
148 _OCELOT_3_SERIAL_INIT(OCELOT_3_SERIAL_IRQ, OCELOT_3_SERIAL_BASE)
150 #define MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS
153 #ifdef CONFIG_MOMENCO_OCELOT
154 /* Ordinary NS16552 duart with a 20MHz crystal. */
155 #define OCELOT_BASE_BAUD ( 20000000 / 16 )
157 #define OCELOT_SERIAL1_IRQ 4
158 #define OCELOT_SERIAL1_BASE 0xe0001020
160 #define _OCELOT_SERIAL_INIT(int, base) \
161 { .baud_base = OCELOT_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS, \
162 .iomem_base = (u8 *) base, .iomem_reg_shift = 2, \
163 .io_type = SERIAL_IO_MEM }
164 #define MOMENCO_OCELOT_SERIAL_PORT_DEFNS \
165 _OCELOT_SERIAL_INIT(OCELOT_SERIAL1_IRQ, OCELOT_SERIAL1_BASE)
167 #define MOMENCO_OCELOT_SERIAL_PORT_DEFNS
170 #ifdef CONFIG_MOMENCO_OCELOT_G
171 /* Ordinary NS16552 duart with a 20MHz crystal. */
172 #define OCELOT_G_BASE_BAUD ( 20000000 / 16 )
174 #define OCELOT_G_SERIAL1_IRQ 4
176 #define OCELOT_G_SERIAL1_BASE 0xe0001020
178 #define OCELOT_G_SERIAL1_BASE 0xfd000020
181 #define _OCELOT_G_SERIAL_INIT(int, base) \
182 { .baud_base = OCELOT_G_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS,\
183 .iomem_base = (u8 *) base, .iomem_reg_shift = 2, \
184 .io_type = SERIAL_IO_MEM }
185 #define MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS \
186 _OCELOT_G_SERIAL_INIT(OCELOT_G_SERIAL1_IRQ, OCELOT_G_SERIAL1_BASE)
188 #define MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS
191 #ifdef CONFIG_MOMENCO_OCELOT_C
192 /* Ordinary NS16552 duart with a 20MHz crystal. */
193 #define OCELOT_C_BASE_BAUD ( 20000000 / 16 )
195 #define OCELOT_C_SERIAL1_IRQ 80
196 #define OCELOT_C_SERIAL1_BASE 0xfd000020
198 #define OCELOT_C_SERIAL2_IRQ 81
199 #define OCELOT_C_SERIAL2_BASE 0xfd000000
201 #define _OCELOT_C_SERIAL_INIT(int, base) \
202 { .baud_base = OCELOT_C_BASE_BAUD, \
204 .flags = STD_COM_FLAGS, \
205 .iomem_base = (u8 *) base, \
206 .iomem_reg_shift = 2, \
207 .io_type = SERIAL_IO_MEM \
209 #define MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS \
210 _OCELOT_C_SERIAL_INIT(OCELOT_C_SERIAL1_IRQ, OCELOT_C_SERIAL1_BASE), \
211 _OCELOT_C_SERIAL_INIT(OCELOT_C_SERIAL2_IRQ, OCELOT_C_SERIAL2_BASE)
213 #define MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS
216 #ifdef CONFIG_DDB5477
217 #include <asm/ddb5xxx/ddb5477.h>
218 #define DDB5477_SERIAL_PORT_DEFNS \
219 { .baud_base = BASE_BAUD, .irq = VRC5477_IRQ_UART0, \
220 .flags = STD_COM_FLAGS, .iomem_base = (u8*)0xbfa04200, \
221 .iomem_reg_shift = 3, .io_type = SERIAL_IO_MEM}, \
222 { .baud_base = BASE_BAUD, .irq = VRC5477_IRQ_UART1, \
223 .flags = STD_COM_FLAGS, .iomem_base = (u8*)0xbfa04240, \
224 .iomem_reg_shift = 3, .io_type = SERIAL_IO_MEM},
226 #define DDB5477_SERIAL_PORT_DEFNS
229 #ifdef CONFIG_SGI_IP32
231 * The IP32 (SGI O2) has standard serial ports (UART 16550A) mapped in memory
232 * They are initialized in ip32_setup
234 #define IP32_SERIAL_PORT_DEFNS \
237 #define IP32_SERIAL_PORT_DEFNS
238 #endif /* CONFIG_SGI_IP32 */
240 #define SERIAL_PORT_DFNS \
241 DDB5477_SERIAL_PORT_DEFNS \
242 EV96100_SERIAL_PORT_DEFNS \
243 IP32_SERIAL_PORT_DEFNS \
244 ITE_SERIAL_PORT_DEFNS \
245 IVR_SERIAL_PORT_DEFNS \
246 JAZZ_SERIAL_PORT_DEFNS \
247 STD_SERIAL_PORT_DEFNS \
248 MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS \
249 MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS \
250 MOMENCO_OCELOT_SERIAL_PORT_DEFNS \
251 MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS
253 #endif /* _ASM_SERIAL_H */