diff options
author | Jagan Teki <jagan@openedev.com> | 2016-12-15 17:36:47 +0100 |
---|---|---|
committer | Jagan Teki <jagan@amarulasolutions.com> | 2016-12-21 12:14:37 +0100 |
commit | 353f6a770f2ab50bdc38081e29e5ec5f586a05db (patch) | |
tree | 5f3901f2a838399d2a3c8c3a7c5afc2265e97b23 /drivers/spi | |
parent | 4cf5c5f1e60e6541630ae829b5fa2db704c268f0 (diff) |
spi: Zap mpc52xx_spi.c, config and related code
armada100_spi.c, related config options and related codes
are zapping becuase of "no DM conversion".
Cc: Werner Pfister <Pfister_Werner@intercontrol.de>
Signed-off-by: Jagan Teki <jagan@openedev.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/Makefile | 1 | ||||
-rw-r--r-- | drivers/spi/mpc52xx_spi.c | 90 |
2 files changed, 0 insertions, 91 deletions
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 247c5f6558..70d2e49a96 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -35,7 +35,6 @@ obj-$(CONFIG_FSL_QSPI) += fsl_qspi.o obj-$(CONFIG_ICH_SPI) += ich.o obj-$(CONFIG_KIRKWOOD_SPI) += kirkwood_spi.o obj-$(CONFIG_LPC32XX_SSP) += lpc32xx_ssp.o -obj-$(CONFIG_MPC52XX_SPI) += mpc52xx_spi.o obj-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o obj-$(CONFIG_MVEBU_A3700_SPI) += mvebu_a3700_spi.o obj-$(CONFIG_MXC_SPI) += mxc_spi.o diff --git a/drivers/spi/mpc52xx_spi.c b/drivers/spi/mpc52xx_spi.c deleted file mode 100644 index 4613bec2aa..0000000000 --- a/drivers/spi/mpc52xx_spi.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * (C) Copyright 2009 - * Frank Bodammer <frank.bodammer@gcd-solutions.de> - * (C) Copyright 2009 Semihalf, Grzegorz Bernacki - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <malloc.h> -#include <spi.h> -#include <mpc5xxx.h> - -void spi_init(void) -{ - struct mpc5xxx_spi *spi = (struct mpc5xxx_spi *)MPC5XXX_SPI; - /* - * Its important to use the correct order when initializing the - * registers - */ - out_8(&spi->ddr, 0x0F); /* set all SPI pins as output */ - out_8(&spi->pdr, 0x00); /* set SS low */ - /* SPI is master, SS is general purpose output */ - out_8(&spi->cr1, SPI_CR_MSTR | SPI_CR_SPE); - out_8(&spi->cr2, 0x00); /* normal operation */ - out_8(&spi->brr, 0x77); /* baud rate: IPB clock / 2048 */ -} - -struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, - unsigned int max_hz, unsigned int mode) -{ - struct spi_slave *slave; - - slave = spi_alloc_slave_base(bus, cs); - if (!slave) - return NULL; - - return slave; -} - -void spi_free_slave(struct spi_slave *slave) -{ - free(slave); -} - -int spi_claim_bus(struct spi_slave *slave) -{ - return 0; -} - -void spi_release_bus(struct spi_slave *slave) -{ - return; -} - -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, - void *din, unsigned long flags) -{ - struct mpc5xxx_spi *spi = (struct mpc5xxx_spi *)MPC5XXX_SPI; - int i, iter = bitlen >> 3; - const uchar *txp = dout; - uchar *rxp = din; - - debug("spi_xfer: slave %u:%u dout %08X din %08X bitlen %u\n", - slave->bus, slave->cs, *(uint *) dout, *(uint *) din, bitlen); - - if (flags & SPI_XFER_BEGIN) - setbits_8(&spi->pdr, SPI_PDR_SS); - - for (i = 0; i < iter; i++) { - udelay(1000); - debug("spi_xfer: sending %x\n", txp[i]); - out_8(&spi->dr, txp[i]); - while (!(in_8(&spi->sr) & SPI_SR_SPIF)) { - udelay(1000); - if (in_8(&spi->sr) & SPI_SR_WCOL) { - rxp[i] = in_8(&spi->dr); - puts("spi_xfer: write collision\n"); - return -1; - } - } - rxp[i] = in_8(&spi->dr); - debug("spi_xfer: received %x\n", rxp[i]); - } - if (flags & SPI_XFER_END) - clrbits_8(&spi->pdr, SPI_PDR_SS); - - return 0; -} |