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.
40 lines
713 B
40 lines
713 B
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (c) 2011 The Chromium OS Authors.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <fdtdec.h>
|
|
#include <malloc.h>
|
|
#include <spi.h>
|
|
|
|
int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen)
|
|
{
|
|
if (wordlen == 0 || wordlen > 32) {
|
|
printf("spi: invalid wordlen %u\n", wordlen);
|
|
return -1;
|
|
}
|
|
|
|
slave->wordlen = wordlen;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void *spi_do_alloc_slave(int offset, int size, unsigned int bus,
|
|
unsigned int cs)
|
|
{
|
|
u8 *ptr;
|
|
|
|
ptr = malloc(size);
|
|
if (ptr) {
|
|
struct spi_slave *slave;
|
|
|
|
memset(ptr, '\0', size);
|
|
slave = (struct spi_slave *)(ptr + offset);
|
|
slave->bus = bus;
|
|
slave->cs = cs;
|
|
slave->wordlen = SPI_DEFAULT_WORDLEN;
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|