]> git.sur5r.net Git - u-boot/commitdiff
sf: Remove eeprom_m95xxx test driver
authorJagan Teki <jteki@openedev.com>
Wed, 4 Nov 2015 07:31:59 +0000 (13:01 +0530)
committerJagan Teki <jteki@openedev.com>
Tue, 17 Nov 2015 18:31:07 +0000 (00:01 +0530)
The relevent boards which used this driver got zapped
in previous release and the driver is never used in the
code and also it doesn't use/do any spi-flash operations.

Commit details for relevent removed boards:
"ARM: at91: remove non-generic boards"
(sha1: f6b42c140387589ded24749781ce565571092eac)

Cc: Tom Rini <trini@konsulko.com>
Cc: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
drivers/mtd/spi/Makefile
drivers/mtd/spi/eeprom_m95xxx.c [deleted file]

index ff48b25f6f324eefaeaaa38d19c36fe8bcb236f7..cf4e7e1f42b542bccacdddcfdae172a09e8bdb8d 100644 (file)
@@ -20,4 +20,3 @@ obj-$(CONFIG_SPI_FLASH) += sf_ops.o sf_params.o
 obj-$(CONFIG_SPI_FLASH_DATAFLASH) += sf_dataflash.o
 obj-$(CONFIG_SPI_FLASH_MTD) += sf_mtd.o
 obj-$(CONFIG_SPI_FLASH_SANDBOX) += sandbox.o
-obj-$(CONFIG_SPI_M95XXX) += eeprom_m95xxx.o
diff --git a/drivers/mtd/spi/eeprom_m95xxx.c b/drivers/mtd/spi/eeprom_m95xxx.c
deleted file mode 100644 (file)
index a019939..0000000
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2009
- * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-#include <common.h>
-#include <spi.h>
-
-#define SPI_EEPROM_WREN                0x06
-#define SPI_EEPROM_RDSR                0x05
-#define SPI_EEPROM_READ                0x03
-#define SPI_EEPROM_WRITE       0x02
-
-#ifndef CONFIG_DEFAULT_SPI_BUS
-#define CONFIG_DEFAULT_SPI_BUS 0
-#endif
-
-#ifndef CONFIG_DEFAULT_SPI_MODE
-#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
-#endif
-
-#ifndef CONFIG_SYS_SPI_WRITE_TOUT
-#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
-#endif
-
-ssize_t spi_read(uchar *addr, int alen, uchar *buffer, int len)
-{
-       struct spi_slave *slave;
-       u8 cmd = SPI_EEPROM_READ;
-
-       slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
-                       CONFIG_DEFAULT_SPI_MODE);
-       if (!slave)
-               return 0;
-
-       spi_claim_bus(slave);
-
-       /* command */
-       if (spi_xfer(slave, 8, &cmd, NULL, SPI_XFER_BEGIN))
-               return -1;
-
-       /*
-        * if alen == 3, addr[0] is the block number, we never use it here.
-        * All we need are the lower 16 bits.
-        */
-       if (alen == 3)
-               addr++;
-
-       /* address, and data */
-       if (spi_xfer(slave, 16, addr, NULL, 0))
-               return -1;
-       if (spi_xfer(slave, 8 * len, NULL, buffer, SPI_XFER_END))
-               return -1;
-
-       spi_release_bus(slave);
-       spi_free_slave(slave);
-       return len;
-}
-
-ssize_t spi_write(uchar *addr, int alen, uchar *buffer, int len)
-{
-       struct spi_slave *slave;
-       char buf[3];
-       ulong start;
-
-       slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
-                       CONFIG_DEFAULT_SPI_MODE);
-       if (!slave)
-               return 0;
-
-       spi_claim_bus(slave);
-
-       buf[0] = SPI_EEPROM_WREN;
-       if (spi_xfer(slave, 8, buf, NULL, SPI_XFER_BEGIN | SPI_XFER_END))
-               return -1;
-
-       buf[0] = SPI_EEPROM_WRITE;
-
-       /* As for reading, drop addr[0] if alen is 3 */
-       if (alen == 3) {
-               alen--;
-               addr++;
-       }
-
-       memcpy(buf + 1, addr, alen);
-       /* command + addr, then data */
-       if (spi_xfer(slave, 24, buf, NULL, SPI_XFER_BEGIN))
-               return -1;
-       if (spi_xfer(slave, len * 8, buffer, NULL, SPI_XFER_END))
-               return -1;
-
-       start = get_timer(0);
-       do {
-               buf[0] = SPI_EEPROM_RDSR;
-               buf[1] = 0;
-               spi_xfer(slave, 16, buf, buf, SPI_XFER_BEGIN | SPI_XFER_END);
-
-               if (!(buf[1] & 1))
-                       break;
-
-       } while (get_timer(start) < CONFIG_SYS_SPI_WRITE_TOUT);
-
-       if (buf[1] & 1)
-               printf("*** spi_write: Timeout while writing!\n");
-
-       spi_release_bus(slave);
-       spi_free_slave(slave);
-       return len;
-}