Merge branch 'next' of git://git.denx.de/u-boot-nios

1 files changed, 0 insertions, 195 deletions

diff --git a/arch/nios/cpu/spi.c b/arch/nios/cpu/spi.c
deleted file mode 100644
index 89f9797..0000000
--- a/arch/nios/cpu/spi.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net>
- * Stephan Linz <linz@li-pro.net>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <linux/ctype.h>
-
-#if defined(CONFIG_NIOS_SPI)
-#include <nios-io.h>
-#include <spi.h>
-
-#if !defined(CONFIG_SYS_NIOS_SPIBASE)
-#error "*** CONFIG_SYS_NIOS_SPIBASE not defined ***"
-#endif
-
-#if !defined(CONFIG_SYS_NIOS_SPIBITS)
-#error "*** CONFIG_SYS_NIOS_SPIBITS not defined ***"
-#endif
-
-#if (CONFIG_SYS_NIOS_SPIBITS != 8) && (CONFIG_SYS_NIOS_SPIBITS != 16)
-#error "*** CONFIG_SYS_NIOS_SPIBITS should be either 8 or 16 ***"
-#endif
-
-static nios_spi_t	*spi	= (nios_spi_t *)CONFIG_SYS_NIOS_SPIBASE;
-
-/* Warning:
- * You cannot enable DEBUG for early system initalization, i. e. when
- * this driver is used to read environment parameters like "baudrate"
- * from EEPROM which are used to initialize the serial port which is
- * needed to print the debug messages...
- */
-#undef	DEBUG
-
-#ifdef  DEBUG
-
-#define	DPRINT(a)	printf a;
-/* -----------------------------------------------
- * Helper functions to peek into tx and rx buffers
- * ----------------------------------------------- */
-static const char * const hex_digit = "0123456789ABCDEF";
-
-static char quickhex (int i)
-{
-	return hex_digit[i];
-}
-
-static void memdump (const void *pv, int num)
-{
-	int i;
-	const unsigned char *pc = (const unsigned char *) pv;
-
-	for (i = 0; i < num; i++)
-		printf ("%c%c ", quickhex (pc[i] >> 4), quickhex (pc[i] & 0x0f));
-	printf ("\t");
-	for (i = 0; i < num; i++)
-		printf ("%c", isprint (pc[i]) ? pc[i] : '.');
-	printf ("\n");
-}
-#else   /* !DEBUG */
-
-#define	DPRINT(a)
-#define	memdump(p,n)
-
-#endif  /* DEBUG */
-
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
-		unsigned int max_hz, unsigned int mode)
-{
-	struct spi_slave *slave;
-
-	if (!spi_cs_is_valid(bus, cs))
-		return NULL;
-
-	slave = malloc(sizeof(struct spi_slave));
-	if (!slave)
-		return NULL;
-
-	slave->bus = bus;
-	slave->cs = cs;
-
-	/* TODO: Add support for different modes and speeds */
-
-	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)
-{
-
-}
-
-/*
- * SPI transfer:
- *
- * See include/spi.h and http://www.altera.com/literature/ds/ds_nios_spi.pdf
- * for more informations.
- */
-int spi_xfer(struct spi_slave *slave, int bitlen, const void *dout,
-		void *din, unsigned long flags)
-{
-	const u8 *txd = dout;
-	u8 *rxd = din;
-	int j;
-
-	DPRINT(("spi_xfer: slave %u:%u dout %08X din %08X bitlen %d\n",
-		slave->bus, slave->cs, *(uint *)dout, *(uint *)din, bitlen));
-
-	memdump(dout, (bitlen + 7) / 8);
-
-	if (flags & SPI_XFER_BEGIN)
-		spi_cs_activate(slave);
-
-	if (!(flags & SPI_XFER_END) || bitlen > CONFIG_SYS_NIOS_SPIBITS) {
-		/* leave chip select active */
-		spi->control |= NIOS_SPI_SSO;
-	}
-
-	for (	j = 0;				/* count each byte in */
-		j < ((bitlen + 7) / 8);		/* dout[] and din[] */
-
-#if	(CONFIG_SYS_NIOS_SPIBITS == 8)
-		j++) {
-
-		while ((spi->status & NIOS_SPI_TRDY) == 0)
-			;
-		spi->txdata = (unsigned)(txd[j]);
-
-		while ((spi->status & NIOS_SPI_RRDY) == 0)
-			;
-		rxd[j] = (unsigned char)(spi->rxdata & 0xff);
-
-#elif	(CONFIG_SYS_NIOS_SPIBITS == 16)
-		j++, j++) {
-
-		while ((spi->status & NIOS_SPI_TRDY) == 0)
-			;
-		if ((j+1) < ((bitlen + 7) / 8))
-			spi->txdata = (unsigned)((txd[j] << 8) | txd[j+1]);
-		else
-			spi->txdata = (unsigned)(txd[j] << 8);
-
-		while ((spi->status & NIOS_SPI_RRDY) == 0)
-			;
-		rxd[j] = (unsigned char)((spi->rxdata >> 8) & 0xff);
-		if ((j+1) < ((bitlen + 7) / 8))
-			rxd[j+1] = (unsigned char)(spi->rxdata & 0xff);
-
-#else
-#error "*** unsupported value of CONFIG_SYS_NIOS_SPIBITS ***"
-#endif
-
-	}
-
-	if (bitlen > CONFIG_SYS_NIOS_SPIBITS && (flags & SPI_XFER_END)) {
-		spi->control &= ~NIOS_SPI_SSO;
-	}
-
-	if (flags & SPI_XFER_END)
-		spi_cs_deactivate(slave);
-
-	memdump(din, (bitlen + 7) / 8);
-
-	return 0;
-}
-
-#endif /* CONFIG_NIOS_SPI */