| /******************************************************************************* |
| Copyright (C) Marvell International Ltd. and its affiliates |
| |
| ******************************************************************************** |
| Marvell GPL License Option |
| |
| If you received this File from Marvell, you may opt to use, redistribute and/or |
| modify this File in accordance with the terms and conditions of the General |
| Public License Version 2, June 1991 (the "GPL License"), a copy of which is |
| available along with the File in the license.txt file or by writing to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or |
| on the worldwide web at http://www.gnu.org/licenses/gpl.txt. |
| |
| THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY |
| DISCLAIMED. The GPL License provides additional details about this warranty |
| disclaimer. |
| |
| *******************************************************************************/ |
| |
| /* |
| * serial.c - serial support. |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include "uart/mvUart.h" |
| #include "cpu/mvCpu.h" |
| |
| #if defined(MV78XX0) |
| extern unsigned int whoAmI(void); |
| #else |
| #define whoAmI() 0 |
| #endif |
| |
| extern void print_mvBanner(void); |
| |
| int serial_init (void) |
| { |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| int clock_divisor = (CONFIG_SYS_TCLK / 16)/gd->baudrate; |
| |
| if (whoAmI() == MASTER_CPU) |
| { |
| #ifdef CONFIG_SYS_INIT_CHAN1 |
| mvUartInit(0, clock_divisor, mvUartBase(0)); |
| #endif |
| } |
| |
| #if defined(MV78XX0) |
| if ((whoAmI() == MASTER_CPU) || (whoAmI() == SLAVE_CPU)) |
| #endif |
| { |
| #ifdef CONFIG_SYS_INIT_CHAN2 |
| mvUartInit(1, clock_divisor, mvUartBase(1)); |
| #endif |
| } |
| /* print banner */ |
| print_mvBanner(); |
| |
| return (0); |
| } |
| |
| void |
| serial_putc(const char c) |
| { |
| #if defined(CONFIG_MV_SMP) || (defined(MV78XX0) && defined(MV78200)) |
| if (c == '\n') |
| mvUartPutc((whoAmI())%2, '\r'); |
| |
| mvUartPutc((whoAmI())%2, c); |
| #else |
| if (c == '\n') |
| mvUartPutc(CONFIG_SYS_DUART_CHAN, '\r'); |
| |
| mvUartPutc(CONFIG_SYS_DUART_CHAN, c); |
| #endif |
| } |
| |
| int |
| serial_getc(void) |
| { |
| #if defined(CONFIG_MV_SMP) || (defined(MV78XX0) && defined(MV78200)) |
| return mvUartGetc((whoAmI())%2); |
| #else |
| return mvUartGetc(CONFIG_SYS_DUART_CHAN); |
| #endif |
| } |
| |
| int |
| serial_tstc(void) |
| { |
| #if defined(CONFIG_MV_SMP) || (defined(MV78XX0) && defined(MV78200)) |
| return mvUartTstc((whoAmI())%2); |
| #else |
| return mvUartTstc(CONFIG_SYS_DUART_CHAN); |
| #endif |
| } |
| |
| void |
| serial_setbrg (void) |
| { |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| int clock_divisor = (CONFIG_SYS_TCLK / 16)/gd->baudrate; |
| |
| #ifdef CONFIG_SYS_INIT_CHAN1 |
| mvUartInit(0, clock_divisor, mvUartBase(0)); |
| #endif |
| #ifdef CONFIG_SYS_INIT_CHAN2 |
| mvUartInit(1, clock_divisor, mvUartBase(1)); |
| #endif |
| } |
| |
| |
| void |
| serial_puts (const char *s) |
| { |
| while (*s) { |
| serial_putc (*s++); |
| } |
| } |
| |
| #if defined(CONFIG_CMD_KGDB) |
| void |
| kgdb_serial_init(void) |
| { |
| } |
| |
| void |
| putDebugChar (int c) |
| { |
| serial_putc (c); |
| } |
| |
| void |
| putDebugStr (const char *str) |
| { |
| serial_puts (str); |
| } |
| |
| int |
| getDebugChar (void) |
| { |
| return serial_getc(); |
| } |
| |
| void |
| kgdb_interruptible (int yes) |
| { |
| return; |
| } |
| #endif /* CFG_CMD_KGDB */ |