diff options
Diffstat (limited to 'nuttx/configs')
| -rw-r--r-- | nuttx/configs/pic32-starterkit/include/board.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/nuttx/configs/pic32-starterkit/include/board.h b/nuttx/configs/pic32-starterkit/include/board.h index e33ae3337..a4b8b47a5 100644 --- a/nuttx/configs/pic32-starterkit/include/board.h +++ b/nuttx/configs/pic32-starterkit/include/board.h @@ -2,7 +2,7 @@ * configs/pic32-starterkit/include/board.h * include/arch/board/board.h * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -87,6 +87,16 @@ #define BOARD_WD_ENABLE 0 /* Watchdog is disabled */ #define BOARD_WD_PRESCALER 8 /* Watchdog pre-scaler */ +/* Ethernet MII clocking. + * + * The clock divider used to create the MII Management Clock (MDC). The MIIM + * module uses the SYSCLK as an input clock. According to the IEEE 802.3 + * Specification this should be no faster than 2.5 MHz. However, some PHYs + * support clock rates up to 12.5 MHz. + */ + +#define BOARD_EMAC_MIIM_DIV 32 /* Ideal: 80MHz/32 = 2.5MHz */ + /* LED definitions **********************************************************/ /* LED Configuration ********************************************************/ /* The PIC32MX Ethernet Starter kit has 3 user LEDs labeled LED1-3 on the |