gpxe: delete long since obsolete snapshot of gPXE

gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 140 deletions

diff --git a/gpxe/src/drivers/nvs/spi.c b/gpxe/src/drivers/nvs/spi.c
deleted file mode 100644
index 793080a0..00000000
--- a/gpxe/src/drivers/nvs/spi.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <stddef.h>
-#include <errno.h>
-#include <unistd.h>
-#include <gpxe/spi.h>
-
-/** @file
- *
- * SPI devices
- *
- */
-
-/**
- * Munge SPI device address into command
- *
- * @v command		SPI command
- * @v address		Address
- * @v munge_address	Device requires address munging
- * @ret command		Actual SPI command to use
- *
- * Some devices with 9-bit addresses (e.g. AT25040A EEPROM) use bit 3
- * of the command byte as address bit A8, rather than having a
- * two-byte address.  This function takes care of generating the
- * appropriate command.
- */
-static inline unsigned int spi_command ( unsigned int command,
-					 unsigned int address,
-					 int munge_address ) {
-	return ( command | ( ( ( address >> 8 ) & munge_address ) << 3 ) );
-}
-
-/**
- * Wait for SPI device to complete operation
- *
- * @v device		SPI device
- * @ret rc		Return status code
- */
-static int spi_wait ( struct spi_device *device ) {
-	struct spi_bus *bus = device->bus;
-	uint8_t status;
-	int i;
-	int rc;
-
-	for ( i = 0 ; i < 50 ; i++ ) {
-		udelay ( 20 );
-		if ( ( rc = bus->rw ( bus, device, SPI_RDSR, -1, NULL,
-				      &status, sizeof ( status ) ) ) != 0 )
-			return rc;
-		if ( ! ( status & SPI_STATUS_NRDY ) )
-			return 0;
-	}
-	DBG ( "SPI %p timed out\n", device );
-	return -ETIMEDOUT;
-}
-
-/**
- * Read data from SPI device
- *
- * @v nvs		NVS device
- * @v address		Address from which to read
- * @v data		Data buffer
- * @v len		Length of data buffer
- * @ret rc		Return status code
- */
-int spi_read ( struct nvs_device *nvs, unsigned int address,
-	       void *data, size_t len ) {
-	struct spi_device *device = nvs_to_spi ( nvs );
-	struct spi_bus *bus = device->bus;
-	unsigned int command = spi_command ( SPI_READ, address,
-					     device->munge_address );
-	int rc;
-
-	DBG ( "SPI %p reading %zd bytes from %#04x\n", device, len, address );
-	if ( ( rc = bus->rw ( bus, device, command, address,
-			      NULL, data, len ) ) != 0 ) {
-		DBG ( "SPI %p failed to read data from device\n", device );
-		return rc;
-	}
-
-	return 0;
-}
-
-/**
- * Write data to SPI device
- *
- * @v nvs		NVS device
- * @v address		Address from which to read
- * @v data		Data buffer
- * @v len		Length of data buffer
- * @ret rc		Return status code
- */
-int spi_write ( struct nvs_device *nvs, unsigned int address,
-		const void *data, size_t len ) {
-	struct spi_device *device = nvs_to_spi ( nvs );
-	struct spi_bus *bus = device->bus;
-	unsigned int command = spi_command ( SPI_WRITE, address,
-					     device->munge_address );
-	int rc;
-
-	DBG ( "SPI %p writing %zd bytes to %#04x\n", device, len, address );
-
-	if ( ( rc = bus->rw ( bus, device, SPI_WREN, -1,
-			      NULL, NULL, 0 ) ) != 0 ) {
-		DBG ( "SPI %p failed to write-enable device\n", device );
-		return rc;
-	}
-
-	if ( ( rc = bus->rw ( bus, device, command, address,
-			      data, NULL, len ) ) != 0 ) {
-		DBG ( "SPI %p failed to write data to device\n", device );
-		return rc;
-	}
-	
-	if ( ( rc = spi_wait ( device ) ) != 0 ) {
-		DBG ( "SPI %p failed to complete write operation\n", device );
-		return rc;
-	}
-
-	return 0;
-}
-