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author | Ilya Yanok <yanok@emcraft.com> | 2011-11-28 06:37:35 +0000 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-12-06 23:59:36 +0100 |
commit | b9e65a797bea224c786e3dcd936a9ffc08d24aef (patch) | |
tree | 2d128c91abc576a6e9c499bbe0f89059344349fb /arch/arm/cpu/armv7 | |
parent | 80deda5d8e02c7e58dd4e037d754d72a8e1a99ae (diff) | |
download | u-boot-imx-b9e65a797bea224c786e3dcd936a9ffc08d24aef.zip u-boot-imx-b9e65a797bea224c786e3dcd936a9ffc08d24aef.tar.gz u-boot-imx-b9e65a797bea224c786e3dcd936a9ffc08d24aef.tar.bz2 |
AM35xx: add EMAC support
AM35xx has DaVinci-compatible EMAC.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Diffstat (limited to 'arch/arm/cpu/armv7')
-rw-r--r-- | arch/arm/cpu/armv7/omap3/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/omap3/emac.c | 44 |
2 files changed, 45 insertions, 0 deletions
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..14667f1 --- /dev/null +++ b/arch/arm/cpu/armv7/omap3/emac.c @@ -0,0 +1,44 @@ +/* + * + * 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> +#include <asm/io.h> +#include <asm/arch/am35x_def.h> + +/* + * Initializes on-chip ethernet controllers. + * to override, implement board_eth_init() + */ +int cpu_eth_init(bd_t *bis) +{ + u32 reset; + + /* ensure that the module is out of reset */ + reset = readl(&am35x_scm_general_regs->ip_sw_reset); + reset &= ~CPGMACSS_SW_RST; + writel(reset, &am35x_scm_general_regs->ip_sw_reset); + + return davinci_emac_initialize(); +} |