upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.7 KiB
86 lines
2.7 KiB
17 years ago
|
/*
|
||
|
|
* Copyright (C) 2006 Freescale Semiconductor, Inc.
|
||
|
|
*
|
||
|
|
* Dave Liu <daveliu@freescale.com>
|
||
|
|
* based on source code of Shlomi Gridish
|
||
|
|
*
|
||
|
|
* 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/errno.h"
|
||
|
|
#include "asm/io.h"
|
||
|
|
#include "asm/immap_85xx.h"
|
||
|
|
|
||
|
|
#if defined(CONFIG_QE)
|
||
|
|
#define NUM_OF_PINS 32
|
||
|
|
void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign)
|
||
|
|
{
|
||
|
|
u32 pin_2bit_mask;
|
||
|
|
u32 pin_2bit_dir;
|
||
|
|
u32 pin_2bit_assign;
|
||
|
|
u32 pin_1bit_mask;
|
||
|
|
u32 tmp_val;
|
||
|
|
volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
|
||
|
|
volatile par_io_t *par_io = (volatile par_io_t *)
|
||
|
|
&(im->im_gur.qe_par_io);
|
||
|
|
|
||
|
|
/* Caculate pin location and 2bit mask and dir */
|
||
|
|
pin_2bit_mask = (u32)(0x3 << (NUM_OF_PINS-(pin%(NUM_OF_PINS/2)+1)*2));
|
||
|
|
pin_2bit_dir = (u32)(dir << (NUM_OF_PINS-(pin%(NUM_OF_PINS/2)+1)*2));
|
||
|
|
|
||
|
|
/* Setup the direction */
|
||
|
|
tmp_val = (pin > (NUM_OF_PINS/2) - 1) ? \
|
||
|
|
in_be32(&par_io[port].cpdir2) :
|
||
|
|
in_be32(&par_io[port].cpdir1);
|
||
|
|
|
||
|
|
if (pin > (NUM_OF_PINS/2) -1) {
|
||
|
|
out_be32(&par_io[port].cpdir2, ~pin_2bit_mask & tmp_val);
|
||
|
|
out_be32(&par_io[port].cpdir2, pin_2bit_dir | tmp_val);
|
||
|
|
} else {
|
||
|
|
out_be32(&par_io[port].cpdir1, ~pin_2bit_mask & tmp_val);
|
||
|
|
out_be32(&par_io[port].cpdir1, pin_2bit_dir | tmp_val);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Calculate pin location for 1bit mask */
|
||
|
|
pin_1bit_mask = (u32)(1 << (NUM_OF_PINS - (pin+1)));
|
||
|
|
|
||
|
|
/* Setup the open drain */
|
||
|
|
tmp_val = in_be32(&par_io[port].cpodr);
|
||
|
|
if (open_drain)
|
||
|
|
out_be32(&par_io[port].cpodr, pin_1bit_mask | tmp_val);
|
||
|
|
else
|
||
|
|
out_be32(&par_io[port].cpodr, ~pin_1bit_mask & tmp_val);
|
||
|
|
|
||
|
|
/* Setup the assignment */
|
||
|
|
tmp_val = (pin > (NUM_OF_PINS/2) - 1) ?
|
||
|
|
in_be32(&par_io[port].cppar2):
|
||
|
|
in_be32(&par_io[port].cppar1);
|
||
|
|
pin_2bit_assign = (u32)(assign
|
||
|
|
<< (NUM_OF_PINS - (pin%(NUM_OF_PINS/2)+1)*2));
|
||
|
|
|
||
|
|
/* Clear and set 2 bits mask */
|
||
|
|
if (pin > (NUM_OF_PINS/2) - 1) {
|
||
|
|
out_be32(&par_io[port].cppar2, ~pin_2bit_mask & tmp_val);
|
||
|
|
out_be32(&par_io[port].cppar2, pin_2bit_assign | tmp_val);
|
||
|
|
} else {
|
||
|
|
out_be32(&par_io[port].cppar1, ~pin_2bit_mask & tmp_val);
|
||
|
|
out_be32(&par_io[port].cppar1, pin_2bit_assign | tmp_val);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* CONFIG_QE */
|