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author | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
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committer | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
commit | 849369d6c66d3054688672f97d31fceb8e8230fb (patch) | |
tree | 6135abc790ca67dedbe07c39806591e70eda81ce /arch/arm/mach-mx6/mx6_fec.c | |
download | linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.gz linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.bz2 linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.zip |
initial_commit
Diffstat (limited to 'arch/arm/mach-mx6/mx6_fec.c')
-rw-r--r-- | arch/arm/mach-mx6/mx6_fec.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/mach-mx6/mx6_fec.c b/arch/arm/mach-mx6/mx6_fec.c new file mode 100644 index 00000000..935ba264 --- /dev/null +++ b/arch/arm/mach-mx6/mx6_fec.c @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. All Rights Reserved. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#include <linux/fec.h> +#include <linux/etherdevice.h> + +#include <mach/common.h> +#include <mach/hardware.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include "devices-imx6q.h" + +#define HW_OCOTP_MACn(n) (0x00000620 + (n) * 0x10) + +static int fec_get_mac_addr(unsigned char *mac) +{ + unsigned int value; + + value = readl(MX6_IO_ADDRESS(OCOTP_BASE_ADDR) + HW_OCOTP_MACn(0)); + mac[5] = value & 0xff; + mac[4] = (value >> 8) & 0xff; + mac[3] = (value >> 16) & 0xff; + mac[2] = (value >> 24) & 0xff; + value = readl(MX6_IO_ADDRESS(OCOTP_BASE_ADDR) + HW_OCOTP_MACn(1)); + mac[1] = value & 0xff; + mac[0] = (value >> 8) & 0xff; + + return 0; +} + +void __init imx6_init_fec(struct fec_platform_data fec_data) +{ + fec_get_mac_addr(fec_data.mac); + if (!is_valid_ether_addr(fec_data.mac)) + random_ether_addr(fec_data.mac); + + if (cpu_is_mx6sl()) + imx6sl_add_fec(&fec_data); + else + imx6q_add_fec(&fec_data); +} |