AM35xx has DaVinci-compatible EMAC.
Signed-off-by: Ilya Yanok yanok@emcraft.com --- arch/arm/cpu/armv7/omap3/Makefile | 1 + arch/arm/cpu/armv7/omap3/emac.c | 37 ++++++++++++++++++ arch/arm/include/asm/arch-omap3/emac_defs.h | 56 +++++++++++++++++++++++++++ 3 files changed, 94 insertions(+), 0 deletions(-) create mode 100644 arch/arm/cpu/armv7/omap3/emac.c create mode 100644 arch/arm/include/asm/arch-omap3/emac_defs.h
diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap3/Makefile index 8e85891..6ebfd32 100644 --- a/arch/arm/cpu/armv7/omap3/Makefile +++ b/arch/arm/cpu/armv7/omap3/Makefile @@ -32,6 +32,7 @@ COBJS += clock.o COBJS += mem.o COBJS += sys_info.o
+COBJS-$(CONFIG_DRIVER_TI_EMAC) += emac.o COBJS-$(CONFIG_EMIF4) += emif4.o COBJS-$(CONFIG_SDRC) += sdrc.o
diff --git a/arch/arm/cpu/armv7/omap3/emac.c b/arch/arm/cpu/armv7/omap3/emac.c new file mode 100644 index 0000000..71b4424 --- /dev/null +++ b/arch/arm/cpu/armv7/omap3/emac.c @@ -0,0 +1,37 @@ +/* + * + * DaVinci EMAC initialization. + * + * (C) Copyright 2011, Ilya Yanok, Emcraft Systems + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#include <common.h> +#include <netdev.h> + +/* + * Initializes on-chip ethernet controllers. + * to override, implement board_eth_init() + */ +int cpu_eth_init(bd_t *bis) +{ + davinci_emac_initialize(); + + return 0; +} diff --git a/arch/arm/include/asm/arch-omap3/emac_defs.h b/arch/arm/include/asm/arch-omap3/emac_defs.h new file mode 100644 index 0000000..8506c55 --- /dev/null +++ b/arch/arm/include/asm/arch-omap3/emac_defs.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2007 Sergey Kubushyn ksi@koi8.net + * + * Based on: + * + * ---------------------------------------------------------------------------- + * + * dm644x_emac.h + * + * TI DaVinci (DM644X) EMAC peripheral driver header for DV-EVM + * + * Copyright (C) 2005 Texas Instruments. + * + * ---------------------------------------------------------------------------- + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * ---------------------------------------------------------------------------- + + * Modifications: + * ver. 1.0: Sep 2005, TI PSP Team - Created EMAC version for uBoot. + * + */ + +#ifndef _AM3517_EMAC_H_ +#define _AM3517_EMAC_H_ + +#define EMAC_BASE_ADDR 0x5C010000 +#define EMAC_WRAPPER_BASE_ADDR 0x5C000000 +#define EMAC_WRAPPER_RAM_ADDR 0x5C020000 +#define EMAC_MDIO_BASE_ADDR 0x5C030000 +#define EMAC_HW_RAM_ADDR 0x01E20000 + +#define EMAC_MDIO_BUS_FREQ 166000000 /* 166 MHZ check */ +#define EMAC_MDIO_CLOCK_FREQ 1000000 /* 2.0 MHz */ + +/* SOFTRESET macro definition interferes with emac_regs structure definition */ +#undef SOFTRESET + +typedef volatile unsigned int dv_reg; +typedef volatile unsigned int *dv_reg_p; + +#define DAVINCI_EMAC_VERSION2 + +#endif /* _AM3517_EMAC_H_ */