3 * John Clemens <clemens@mclx.com>, Mission Critical Linux, Inc.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * mpsc.h - header file for MPSC in uart mode (console driver)
31 /* include actual Galileo defines */
32 #include <galileo/gt64260R.h>
34 /* driver related defines */
36 int mpsc_init(int baud);
37 void mpsc_init2(void);
38 char mpsc_getchar(void);
39 int mpsc_test_char(void);
40 int galbrg_set_baudrate(int channel, int rate);
42 int mpsc_putchar_early(char ch);
43 extern int (*mpsc_putchar)(char ch);
45 #define CHANNEL CONFIG_MPSC_PORT
50 #define DESC_FIRST 0x00010000
51 #define DESC_LAST 0x00020000
52 #define DESC_OWNER 0x80000000
54 #define TX_DEMAND 0x00800000
55 #define TX_STOP 0x00010000
56 #define RX_ENABLE 0x00000080
58 #define SDMA_RX_ABORT (1 << 15)
59 #define SDMA_TX_ABORT (1 << 31)
60 #define MPSC_TX_ABORT (1 << 7)
61 #define MPSC_RX_ABORT (1 << 23)
62 #define MPSC_ENTER_HUNT (1 << 31)
66 #define GALMPSC_CONNECT 0x1
67 #define GALMPSC_DISCONNECT 0x0
69 #define GALMPSC_UART 0x1
71 #define GALMPSC_STOP_BITS_1 0x0
72 #define GALMPSC_STOP_BITS_2 0x1
73 #define GALMPSC_CHAR_LENGTH_8 0x3
74 #define GALMPSC_CHAR_LENGTH_7 0x2
76 #define GALMPSC_PARITY_ODD 0x0
77 #define GALMPSC_PARITY_EVEN 0x2
78 #define GALMPSC_PARITY_MARK 0x3
79 #define GALMPSC_PARITY_SPACE 0x1
80 #define GALMPSC_PARITY_NONE -1
82 #define GALMPSC_SERIAL_MULTIPLEX SERIAL_PORT_MULTIPLEX /* 0xf010 */
83 #define GALMPSC_ROUTING_REGISTER MAIN_ROUTING_REGISTER /* 0xb400 */
84 #define GALMPSC_RxC_ROUTE RECEIVE_CLOCK_ROUTING_REGISTER /* 0xb404 */
85 #define GALMPSC_TxC_ROUTE TRANSMIT_CLOCK_ROUTING_REGISTER /* 0xb408 */
86 #define GALMPSC_MCONF_LOW MPSC0_MAIN_CONFIGURATION_LOW /* 0x8000 */
87 #define GALMPSC_MCONF_HIGH MPSC0_MAIN_CONFIGURATION_HIGH /* 0x8004 */
88 #define GALMPSC_PROTOCONF_REG MPSC0_PROTOCOL_CONFIGURATION /* 0x8008 */
90 #define GALMPSC_REG_GAP 0x1000
92 #define GALMPSC_MCONF_CHREG_BASE CHANNEL0_REGISTER1 /* 0x800c */
93 #define GALMPSC_CHANNELREG_1 CHANNEL0_REGISTER1 /* 0x800c */
94 #define GALMPSC_CHANNELREG_2 CHANNEL0_REGISTER2 /* 0x8010 */
95 #define GALMPSC_CHANNELREG_3 CHANNEL0_REGISTER3 /* 0x8014 */
96 #define GALMPSC_CHANNELREG_4 CHANNEL0_REGISTER4 /* 0x8018 */
97 #define GALMPSC_CHANNELREG_5 CHANNEL0_REGISTER5 /* 0x801c */
98 #define GALMPSC_CHANNELREG_6 CHANNEL0_REGISTER6 /* 0x8020 */
99 #define GALMPSC_CHANNELREG_7 CHANNEL0_REGISTER7 /* 0x8024 */
100 #define GALMPSC_CHANNELREG_8 CHANNEL0_REGISTER8 /* 0x8028 */
101 #define GALMPSC_CHANNELREG_9 CHANNEL0_REGISTER9 /* 0x802c */
102 #define GALMPSC_CHANNELREG_10 CHANNEL0_REGISTER10 /* 0x8030 */
103 #define GALMPSC_CHANNELREG_11 CHANNEL0_REGISTER11 /* 0x8034 */
105 #define GALSDMA_COMMAND_FIRST (1 << 16)
106 #define GALSDMA_COMMAND_LAST (1 << 17)
107 #define GALSDMA_COMMAND_ENABLEINT (1 << 23)
108 #define GALSDMA_COMMAND_AUTO (1 << 30)
109 #define GALSDMA_COMMAND_OWNER (1 << 31)
114 /* CHANNEL2 should be CHANNEL1, according to documentation,
115 * but to work with the current GTREGS file...
117 #define GALSDMA_0_CONF_REG CHANNEL0_CONFIGURATION_REGISTER /* 0x4000 */
118 #define GALSDMA_1_CONF_REG CHANNEL2_CONFIGURATION_REGISTER /* 0x6000 */
119 #define GALSDMA_0_COM_REG CHANNEL0_COMMAND_REGISTER /* 0x4008 */
120 #define GALSDMA_1_COM_REG CHANNEL2_COMMAND_REGISTER /* 0x6008 */
121 #define GALSDMA_0_CUR_RX_PTR CHANNEL0_CURRENT_RX_DESCRIPTOR_POINTER /* 0x4810 */
122 #define GALSDMA_0_CUR_TX_PTR CHANNEL0_CURRENT_TX_DESCRIPTOR_POINTER /* 0x4c10 */
123 #define GALSDMA_0_FIR_TX_PTR CHANNEL0_FIRST_TX_DESCRIPTOR_POINTER /* 0x4c14 */
124 #define GALSDMA_1_CUR_RX_PTR CHANNEL2_CURRENT_RX_DESCRIPTOR_POINTER /* 0x6810 */
125 #define GALSDMA_1_CUR_TX_PTR CHANNEL2_CURRENT_TX_DESCRIPTOR_POINTER /* 0x6c10 */
126 #define GALSDMA_1_FIR_TX_PTR CHANNEL2_FIRST_TX_DESCRIPTOR_POINTER /* 0x6c14 */
127 #define GALSDMA_REG_DIFF 0x2000
129 /* WRONG in gt64260R.h */
130 #define GALSDMA_INT_CAUSE 0xb800 /* SDMA_CAUSE */
131 #define GALSDMA_INT_MASK 0xb880 /* SDMA_MASK */
133 #define GALSDMA_MODE_UART 0
134 #define GALSDMA_MODE_BISYNC 1
135 #define GALSDMA_MODE_HDLC 2
136 #define GALSDMA_MODE_TRANSPARENT 3
138 #define GALBRG_0_CONFREG BRG0_CONFIGURATION_REGISTER /* 0xb200 */
139 #define GALBRG_REG_GAP 0x0008
140 #define GALBRG_0_BTREG BRG0_BAUDE_TUNING_REGISTER /* 0xb204 */
142 #endif /* __MPSC_H__ */