projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 983fda83 WD |
1 | /* |
| 2 | * (C) Copyright 2004, Freescale, Inc | |
| 3 | * TsiChung Liew, Tsi-Chung.Liew@freescale.com. | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 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. | |
| 12 | * | |
| 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. | |
| 17 | * | |
| 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, | |
| 21 | * MA 02111-1307 USA | |
| 22 | * | |
| 23 | */ | |
| 24 | ||
| 25 | /* | |
| 26 | * Minimal serial functions needed to use one of the PSC ports | |
| 27 | * as serial console interface. | |
| 28 | */ | |
| 29 | ||
| 30 | #include <common.h> | |
| 31 | #include <mpc8220.h> | |
| 32 | ||
| 33 | int serial_init (void) | |
| 34 | { | |
| 35 | DECLARE_GLOBAL_DATA_PTR; | |
| 36 | ||
| 37 | #if defined (CONFIG_EXTUART_CONSOLE) | |
| 38 | volatile uchar *cpld = (volatile uchar *) CFG_CPLD_BASE; | |
| 39 | #endif | |
| 40 | ||
| 41 | /* Check CPLD Switch 2 whether is external or internal */ | |
| 42 | #if defined (CONFIG_EXTUART_CONSOLE) | |
| 43 | if ((*cpld & 0x02) == 0x02) { | |
| 44 | gd->bExtUart = 1; | |
| 45 | return ext_serial_init (); | |
| 46 | } else | |
| 47 | #endif | |
| 48 | { | |
| 49 | #if defined(CONFIG_PSC_CONSOLE) | |
| 50 | gd->bExtUart = 0; | |
| 51 | return psc_serial_init (); | |
| 52 | #endif | |
| 53 | } | |
| 54 | ||
| 55 | return (0); | |
| 56 | } | |
| 57 | ||
| 58 | void serial_putc (const char c) | |
| 59 | { | |
| 60 | DECLARE_GLOBAL_DATA_PTR; | |
| 61 | ||
| 62 | if (gd->bExtUart) { | |
| 63 | #if defined (CONFIG_EXTUART_CONSOLE) | |
| 64 | ext_serial_putc (c); | |
| 65 | #endif | |
| 66 | } else { | |
| 67 | #if defined(CONFIG_PSC_CONSOLE) | |
| 68 | psc_serial_putc (c); | |
| 69 | #endif | |
| 70 | } | |
| 71 | } | |
| 72 | ||
| 73 | void serial_puts (const char *s) | |
| 74 | { | |
| 75 | DECLARE_GLOBAL_DATA_PTR; | |
| 76 | ||
| 77 | if (gd->bExtUart) { | |
| 78 | #if defined (CONFIG_EXTUART_CONSOLE) | |
| 79 | ext_serial_puts (s); | |
| 80 | #endif | |
| 81 | } else { | |
| 82 | #if defined(CONFIG_PSC_CONSOLE) | |
| 83 | psc_serial_puts (s); | |
| 84 | #endif | |
| 85 | } | |
| 86 | } | |
| 87 | ||
| 88 | int serial_getc (void) | |
| 89 | { | |
| 90 | DECLARE_GLOBAL_DATA_PTR; | |
| 91 | ||
| 92 | if (gd->bExtUart) { | |
| 93 | #if defined (CONFIG_EXTUART_CONSOLE) | |
| 94 | return ext_serial_getc (); | |
| 95 | #endif | |
| 96 | } else { | |
| 97 | #if defined(CONFIG_PSC_CONSOLE) | |
| 98 | return psc_serial_getc (); | |
| 99 | #endif | |
| 100 | } | |
| 101 | } | |
| 102 | ||
| 103 | int serial_tstc (void) | |
| 104 | { | |
| 105 | DECLARE_GLOBAL_DATA_PTR; | |
| 106 | ||
| 107 | if (gd->bExtUart) { | |
| 108 | #if defined (CONFIG_EXTUART_CONSOLE) | |
| 109 | return ext_serial_tstc (); | |
| 110 | #endif | |
| 111 | } else { | |
| 112 | #if defined(CONFIG_PSC_CONSOLE) | |
| 113 | return psc_serial_tstc (); | |
| 114 | #endif | |
| 115 | } | |
| 116 | } | |
| 117 | ||
| 118 | void serial_setbrg (void) | |
| 119 | { | |
| 120 | DECLARE_GLOBAL_DATA_PTR; | |
| 121 | ||
| 122 | if (gd->bExtUart) { | |
| 123 | #if defined (CONFIG_EXTUART_CONSOLE) | |
| 124 | ext_serial_setbrg (); | |
| 125 | #endif | |
| 126 | } else { | |
| 127 | #if defined(CONFIG_PSC_CONSOLE) | |
| 128 | psc_serial_setbrg (); | |
| 129 | #endif | |
| 130 | } | |
| 131 | } |