diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/spi/spi.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/spi/spi.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/qemu/roms/u-boot/drivers/spi/spi.c b/qemu/roms/u-boot/drivers/spi/spi.c deleted file mode 100644 index 7ddea9b02..000000000 --- a/qemu/roms/u-boot/drivers/spi/spi.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Copyright (c) 2011 The Chromium OS Authors. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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 %d\n", wordlen); - return -1; - } - - slave->wordlen = wordlen; - - return 0; -} - -void *spi_do_alloc_slave(int offset, int size, unsigned int bus, - unsigned int cs) -{ - struct spi_slave *slave; - void *ptr; - - ptr = malloc(size); - if (ptr) { - memset(ptr, '\0', size); - slave = (struct spi_slave *)(ptr + offset); - slave->bus = bus; - slave->cs = cs; - slave->wordlen = SPI_DEFAULT_WORDLEN; - } - - return ptr; -} - -#ifdef CONFIG_OF_SPI -struct spi_slave *spi_base_setup_slave_fdt(const void *blob, int busnum, - int node) -{ - int cs, max_hz, mode = 0; - - cs = fdtdec_get_int(blob, node, "reg", -1); - max_hz = fdtdec_get_int(blob, node, "spi-max-frequency", 100000); - if (fdtdec_get_bool(blob, node, "spi-cpol")) - mode |= SPI_CPOL; - if (fdtdec_get_bool(blob, node, "spi-cpha")) - mode |= SPI_CPHA; - if (fdtdec_get_bool(blob, node, "spi-cs-high")) - mode |= SPI_CS_HIGH; - return spi_setup_slave(busnum, cs, max_hz, mode); -} -#endif |