diff options
Diffstat (limited to 'include/arm/lpc17xx_ea_ram/bsp/lpc-ethernet-config.h')
-rw-r--r-- | include/arm/lpc17xx_ea_ram/bsp/lpc-ethernet-config.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/include/arm/lpc17xx_ea_ram/bsp/lpc-ethernet-config.h b/include/arm/lpc17xx_ea_ram/bsp/lpc-ethernet-config.h new file mode 100644 index 0000000000..d24f132567 --- /dev/null +++ b/include/arm/lpc17xx_ea_ram/bsp/lpc-ethernet-config.h @@ -0,0 +1,130 @@ +/** + * @file + * + * @ingroup lpc24xx + * + * @brief Ethernet driver configuration. + */ + +/* + * Copyright (c) 2009-2012 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Obere Lagerstr. 30 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef LIBBSP_ARM_LPC24XX_LPC_ETHERNET_CONFIG_H +#define LIBBSP_ARM_LPC24XX_LPC_ETHERNET_CONFIG_H + +#include <bsp.h> +#include <bsp/io.h> +#include <bsp/lpc24xx.h> + +#include <limits.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#define LPC_ETH_CONFIG_INTERRUPT LPC24XX_IRQ_ETHERNET + +#define LPC_ETH_CONFIG_REG_BASE MAC_BASE_ADDR + +#ifdef ARM_MULTILIB_ARCH_V4 + #define LPC_ETH_CONFIG_RX_UNIT_COUNT_DEFAULT 16 + #define LPC_ETH_CONFIG_RX_UNIT_COUNT_MAX 54 + + #define LPC_ETH_CONFIG_TX_UNIT_COUNT_DEFAULT 10 + #define LPC_ETH_CONFIG_TX_UNIT_COUNT_MAX 10 + + #define LPC_ETH_CONFIG_UNIT_MULTIPLE 1U + + #define LPC24XX_ETH_RAM_BEGIN 0x7fe00000U + #define LPC24XX_ETH_RAM_SIZE (16U * 1024U) +#else + #define LPC_ETH_CONFIG_RX_UNIT_COUNT_DEFAULT 16 + #define LPC_ETH_CONFIG_RX_UNIT_COUNT_MAX INT_MAX + + #define LPC_ETH_CONFIG_TX_UNIT_COUNT_DEFAULT 32 + #define LPC_ETH_CONFIG_TX_UNIT_COUNT_MAX INT_MAX + + #define LPC_ETH_CONFIG_UNIT_MULTIPLE 8U + + #define LPC_ETH_CONFIG_USE_TRANSMIT_DMA + + #define LPC24XX_ETH_RAM_BEGIN 0x20000000U + #define LPC24XX_ETH_RAM_SIZE (32U * 1024U) +#endif + +#ifdef LPC24XX_ETHERNET_RMII + #define LPC_ETH_CONFIG_RMII + + static void lpc_eth_config_module_enable(void) + { + static const lpc24xx_pin_range pins [] = { + #ifdef LPC24XX_PIN_ETHERNET_POWER_DOWN + LPC24XX_PIN_ETHERNET_POWER_DOWN, + #endif + LPC24XX_PIN_ETHERNET_RMII_0, + LPC24XX_PIN_ETHERNET_RMII_1, + LPC24XX_PIN_ETHERNET_RMII_2, + LPC24XX_PIN_ETHERNET_RMII_3, + LPC24XX_PIN_TERMINAL + }; + + lpc24xx_module_enable(LPC24XX_MODULE_ETHERNET, LPC24XX_MODULE_PCLK_DEFAULT); + lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION); + + #ifdef LPC24XX_PIN_ETHERNET_POWER_DOWN + { + unsigned pin = lpc24xx_pin_get_first_index(&pins[0]); + + lpc24xx_gpio_config(pin, LPC24XX_GPIO_OUTPUT); + lpc24xx_gpio_set(pin); + } + #endif + } +#else + static void lpc_eth_config_module_enable(void) + { + static const lpc24xx_pin_range pins [] = { + LPC24XX_PIN_ETHERNET_MII, + LPC24XX_PIN_TERMINAL + }; + + lpc24xx_module_enable(LPC24XX_MODULE_ETHERNET, LPC24XX_MODULE_PCLK_DEFAULT); + lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION); + } +#endif + +static void lpc_eth_config_module_disable(void) +{ + lpc24xx_module_disable(LPC24XX_MODULE_ETHERNET); +} + +static char *lpc_eth_config_alloc_table_area(size_t size) +{ + if (size < LPC24XX_ETH_RAM_SIZE) { + return (char *) LPC24XX_ETH_RAM_BEGIN; + } else { + return NULL; + } +} + +static void lpc_eth_config_free_table_area(char *table_area) +{ + /* Do nothing */ +} + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_ARM_LPC24XX_LPC_ETHERNET_CONFIG_H */ |