diff options
author | Stefan Roese <sr@denx.de> | 2009-01-21 17:24:39 +0100 |
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committer | Shinya Kuribayashi <skuribay@ruby.dti.ne.jp> | 2009-01-27 23:08:08 +0900 |
commit | 50752790bc9285c0c1c5235e88f3a4ef2eec1e72 (patch) | |
tree | 6b1573d1cfe395297c0714b040bd98eb37c3b64c /board/micronas/vct/ebi_smc911x.c | |
parent | 03d3bfb00806b5441f1871c7408c1749863e0fdc (diff) |
MIPS: Add VCT board series support (Part 1/3)
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/micronas/vct/ebi_smc911x.c')
-rw-r--r-- | board/micronas/vct/ebi_smc911x.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/board/micronas/vct/ebi_smc911x.c b/board/micronas/vct/ebi_smc911x.c new file mode 100644 index 00000000000..e1b67a075b7 --- /dev/null +++ b/board/micronas/vct/ebi_smc911x.c @@ -0,0 +1,94 @@ +/* + * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include "vct.h" + +/* + * EBI initialization for SMC911x access + */ +int ebi_init_smc911x(void) +{ + reg_write(EBI_DEV1_CONFIG1(EBI_BASE), 0x00003020); + reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F); + + reg_write(EBI_DEV1_TIM1_RD1(EBI_BASE), 0x00501100); + reg_write(EBI_DEV1_TIM1_RD2(EBI_BASE), 0x0FF02111); + + reg_write(EBI_DEV1_TIM_EXT(EBI_BASE), 0xFFF00000); + reg_write(EBI_DEV1_EXT_ACC(EBI_BASE), 0x0FFFFFFF); + + reg_write(EBI_DEV1_TIM1_WR1(EBI_BASE), 0x05001100); + reg_write(EBI_DEV1_TIM1_WR2(EBI_BASE), 0x3FC21110); + + return 0; +} + +/* + * Accessor functions replacing the "weak" functions in + * drivers/net/smc911x.c + */ +u32 smc911x_reg_read(u32 addr) +{ + volatile u32 data; + + reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F); + ebi_wait(); + reg_write(EBI_CPU_IO_ACCS(EBI_BASE), (EXT_DEVICE_CHANNEL_1 | addr)); + ebi_wait(); + data = reg_read(EBI_IO_ACCS_DATA(EBI_BASE)); + + return (data); +} + +void smc911x_reg_write(u32 addr, u32 data) +{ + reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F); + ebi_wait(); + reg_write(EBI_IO_ACCS_DATA(EBI_BASE), data); + reg_write(EBI_CPU_IO_ACCS(EBI_BASE), + EXT_DEVICE_CHANNEL_1 | EBI_CPU_WRITE | addr); + ebi_wait(); +} + +void pkt_data_push(u32 addr, u32 data) +{ + reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004A); + ebi_wait(); + reg_write(EBI_IO_ACCS_DATA(EBI_BASE), data); + reg_write(EBI_CPU_IO_ACCS(EBI_BASE), + EXT_DEVICE_CHANNEL_1 | EBI_CPU_WRITE | addr); + ebi_wait(); + + return; +} + +u32 pkt_data_pull(u32 addr) +{ + volatile u32 data; + + reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004A); + ebi_wait(); + reg_write(EBI_CPU_IO_ACCS(EBI_BASE), (EXT_DEVICE_CHANNEL_1 | addr)); + ebi_wait(); + data = reg_read(EBI_IO_ACCS_DATA(EBI_BASE)); + + return data; +} |