sf: Remove unneeded flash drivers files

Now the common probing is handled in spi_flash_probe.c
hence removed the unneeded flash drivers.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

1 files changed, 0 insertions, 238 deletions

diff --git a/drivers/mtd/spi/sst.c b/drivers/mtd/spi/sst.c
deleted file mode 100644
index 256867c..0000000
--- a/drivers/mtd/spi/sst.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * Driver for SST serial flashes
- *
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- * Copyright 2008, Network Appliance Inc.
- * Jason McMullan <mcmullan@netapp.com>
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
- * Copyright (c) 2008-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <spi_flash.h>
-
-#include "spi_flash_internal.h"
-
-#define CMD_SST_BP		0x02	/* Byte Program */
-#define CMD_SST_AAI_WP		0xAD	/* Auto Address Incr Word Program */
-
-#define SST_SR_WIP		(1 << 0)	/* Write-in-Progress */
-#define SST_SR_WEL		(1 << 1)	/* Write enable */
-#define SST_SR_BP0		(1 << 2)	/* Block Protection 0 */
-#define SST_SR_BP1		(1 << 3)	/* Block Protection 1 */
-#define SST_SR_BP2		(1 << 4)	/* Block Protection 2 */
-#define SST_SR_AAI		(1 << 6)	/* Addressing mode */
-#define SST_SR_BPL		(1 << 7)	/* BP bits lock */
-
-#define SST_FEAT_WP		(1 << 0)	/* Supports AAI word program */
-#define SST_FEAT_MBP		(1 << 1)	/* Supports multibyte program */
-
-struct sst_spi_flash_params {
-	u8 idcode1;
-	u8 flags;
-	u16 nr_sectors;
-	const char *name;
-};
-
-struct sst_spi_flash {
-	struct spi_flash flash;
-	const struct sst_spi_flash_params *params;
-};
-
-static const struct sst_spi_flash_params sst_spi_flash_table[] = {
-	{
-		.idcode1 = 0x8d,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 128,
-		.name = "SST25VF040B",
-	},
-	{
-		.idcode1 = 0x8e,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 256,
-		.name = "SST25VF080B",
-	},
-	{
-		.idcode1 = 0x41,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 512,
-		.name = "SST25VF016B",
-	},
-	{
-		.idcode1 = 0x4a,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 1024,
-		.name = "SST25VF032B",
-	},
-	{
-		.idcode1 = 0x4b,
-		.flags = SST_FEAT_MBP,
-		.nr_sectors = 2048,
-		.name = "SST25VF064C",
-	},
-	{
-		.idcode1 = 0x01,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 16,
-		.name = "SST25WF512",
-	},
-	{
-		.idcode1 = 0x02,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 32,
-		.name = "SST25WF010",
-	},
-	{
-		.idcode1 = 0x03,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 64,
-		.name = "SST25WF020",
-	},
-	{
-		.idcode1 = 0x04,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 128,
-		.name = "SST25WF040",
-	},
-	{
-		.idcode1 = 0x05,
-		.flags = SST_FEAT_WP,
-		.nr_sectors = 256,
-		.name = "SST25WF080",
-	},
-};
-
-static int
-sst_byte_write(struct spi_flash *flash, u32 offset, const void *buf)
-{
-	int ret;
-	u8 cmd[4] = {
-		CMD_SST_BP,
-		offset >> 16,
-		offset >> 8,
-		offset,
-	};
-
-	debug("BP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
-	      spi_w8r8(flash->spi, CMD_READ_STATUS), buf, cmd[0], offset);
-
-	ret = spi_flash_cmd_write_enable(flash);
-	if (ret)
-		return ret;
-
-	ret = spi_flash_cmd_write(flash->spi, cmd, sizeof(cmd), buf, 1);
-	if (ret)
-		return ret;
-
-	return spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
-}
-
-static int
-sst_write_wp(struct spi_flash *flash, u32 offset, size_t len, const void *buf)
-{
-	size_t actual, cmd_len;
-	int ret;
-	u8 cmd[4];
-
-	ret = spi_claim_bus(flash->spi);
-	if (ret) {
-		debug("SF: Unable to claim SPI bus\n");
-		return ret;
-	}
-
-	/* If the data is not word aligned, write out leading single byte */
-	actual = offset % 2;
-	if (actual) {
-		ret = sst_byte_write(flash, offset, buf);
-		if (ret)
-			goto done;
-	}
-	offset += actual;
-
-	ret = spi_flash_cmd_write_enable(flash);
-	if (ret)
-		goto done;
-
-	cmd_len = 4;
-	cmd[0] = CMD_SST_AAI_WP;
-	cmd[1] = offset >> 16;
-	cmd[2] = offset >> 8;
-	cmd[3] = offset;
-
-	for (; actual < len - 1; actual += 2) {
-		debug("WP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
-		      spi_w8r8(flash->spi, CMD_READ_STATUS), buf + actual,
-		      cmd[0], offset);
-
-		ret = spi_flash_cmd_write(flash->spi, cmd, cmd_len,
-					buf + actual, 2);
-		if (ret) {
-			debug("SF: sst word program failed\n");
-			break;
-		}
-
-		ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
-		if (ret)
-			break;
-
-		cmd_len = 1;
-		offset += 2;
-	}
-
-	if (!ret)
-		ret = spi_flash_cmd_write_disable(flash);
-
-	/* If there is a single trailing byte, write it out */
-	if (!ret && actual != len)
-		ret = sst_byte_write(flash, offset, buf + actual);
-
- done:
-	debug("SF: sst: program %s %zu bytes @ 0x%zx\n",
-	      ret ? "failure" : "success", len, offset - actual);
-
-	spi_release_bus(flash->spi);
-	return ret;
-}
-
-struct spi_flash *
-spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode)
-{
-	const struct sst_spi_flash_params *params;
-	struct sst_spi_flash *stm;
-	size_t i;
-
-	for (i = 0; i < ARRAY_SIZE(sst_spi_flash_table); ++i) {
-		params = &sst_spi_flash_table[i];
-		if (params->idcode1 == idcode[2])
-			break;
-	}
-
-	if (i == ARRAY_SIZE(sst_spi_flash_table)) {
-		debug("SF: Unsupported SST ID %02x\n", idcode[1]);
-		return NULL;
-	}
-
-	stm = spi_flash_alloc(struct sst_spi_flash, spi, params->name);
-	if (!stm) {
-		debug("SF: Failed to allocate memory\n");
-		return NULL;
-	}
-
-	stm->params = params;
-
-	if (stm->params->flags & SST_FEAT_WP)
-		stm->flash.write = sst_write_wp;
-	stm->flash.page_size = 256;
-	stm->flash.sector_size = 4096;
-	stm->flash.size = stm->flash.sector_size * params->nr_sectors;
-
-	/* Flash powers up read-only, so clear BP# bits */
-	spi_flash_cmd_write_status(&stm->flash, 0);
-
-	return &stm->flash;
-}