summaryrefslogtreecommitdiff
path: root/package/boot/uboot-lantiq/patches/0016-sf-add-MTD-layer-driver-for-SPI-flash-devices.patch
diff options
context:
space:
mode:
Diffstat (limited to 'package/boot/uboot-lantiq/patches/0016-sf-add-MTD-layer-driver-for-SPI-flash-devices.patch')
-rw-r--r--package/boot/uboot-lantiq/patches/0016-sf-add-MTD-layer-driver-for-SPI-flash-devices.patch133
1 files changed, 0 insertions, 133 deletions
diff --git a/package/boot/uboot-lantiq/patches/0016-sf-add-MTD-layer-driver-for-SPI-flash-devices.patch b/package/boot/uboot-lantiq/patches/0016-sf-add-MTD-layer-driver-for-SPI-flash-devices.patch
deleted file mode 100644
index a9ee560..0000000
--- a/package/boot/uboot-lantiq/patches/0016-sf-add-MTD-layer-driver-for-SPI-flash-devices.patch
+++ /dev/null
@@ -1,133 +0,0 @@
-From 7f6ded11965b09daf6da44d4fa98da17b9fba36c Mon Sep 17 00:00:00 2001
-From: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
-Date: Tue, 6 Nov 2012 19:41:26 +0100
-Subject: sf: add MTD layer driver for SPI flash devices
-
-Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
-
---- a/drivers/mtd/spi/Makefile
-+++ b/drivers/mtd/spi/Makefile
-@@ -30,6 +30,7 @@ COBJS-$(CONFIG_SPL_SPI_LOAD) += spi_spl_
- endif
-
- COBJS-$(CONFIG_SPI_FLASH) += spi_flash.o
-+COBJS-$(CONFIG_SPI_FLASH_MTD) += spi_flash_mtd.o
- COBJS-$(CONFIG_SPI_FLASH_ATMEL) += atmel.o
- COBJS-$(CONFIG_SPI_FLASH_EON) += eon.o
- COBJS-$(CONFIG_SPI_FLASH_MACRONIX) += macronix.o
---- a/drivers/mtd/spi/spi_flash_internal.h
-+++ b/drivers/mtd/spi/spi_flash_internal.h
-@@ -122,6 +122,9 @@ static inline int spi_flash_set_4byte_mo
- }
- #endif
-
-+/* SPI flash MTD adapter init */
-+int spi_flash_mtd_init(struct spi_flash *flash);
-+
- /* Manufacturer-specific probe functions */
- int spi_flash_probe_spansion(struct spi_flash *flash, u8 *idcode);
- int spi_flash_probe_atmel(struct spi_flash *flash, u8 *idcode);
---- /dev/null
-+++ b/drivers/mtd/spi/spi_flash_mtd.c
-@@ -0,0 +1,101 @@
-+/*
-+ * (C) Copyright 2012 Daniel Schwierzeck, daniel.schwierzeck@gmail.com
-+ *
-+ * MTD layer driver for SPI flash devices
-+ *
-+ * This file is released under the terms of GPL v2 and any later version.
-+ * See the file COPYING in the root directory of the source tree for details.
-+ */
-+
-+#include <common.h>
-+#include <malloc.h>
-+#include <asm/errno.h>
-+#include <linux/mtd/mtd.h>
-+#include <spi_flash.h>
-+
-+static struct mtd_info sf_mtd_info;
-+static char sf_mtd_name[8];
-+
-+static int spi_flash_mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
-+{
-+ struct spi_flash *flash = mtd->priv;
-+ int err;
-+
-+ instr->state = MTD_ERASING;
-+
-+ err = spi_flash_erase(flash, instr->addr, instr->len);
-+ if (err) {
-+ instr->state = MTD_ERASE_FAILED;
-+ instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
-+ return -EIO;
-+ }
-+
-+ instr->state = MTD_ERASE_DONE;
-+ mtd_erase_callback(instr);
-+
-+ return 0;
-+}
-+
-+static int spi_flash_mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
-+ size_t *retlen, u_char *buf)
-+{
-+ struct spi_flash *flash = mtd->priv;
-+ int err;
-+
-+ err = spi_flash_read(flash, from, len, buf);
-+ if (!err)
-+ *retlen = len;
-+
-+ return err;
-+}
-+
-+static int spi_flash_mtd_write(struct mtd_info *mtd, loff_t to, size_t len,
-+ size_t *retlen, const u_char *buf)
-+{
-+ struct spi_flash *flash = mtd->priv;
-+ int err;
-+
-+ err = spi_flash_write(flash, to, len, buf);
-+ if (!err)
-+ *retlen = len;
-+
-+ return err;
-+}
-+
-+static void spi_flash_mtd_sync(struct mtd_info *mtd)
-+{
-+}
-+
-+static int spi_flash_mtd_number(void)
-+{
-+#ifdef CONFIG_SYS_MAX_FLASH_BANKS
-+ return CONFIG_SYS_MAX_FLASH_BANKS;
-+#else
-+ return 0;
-+#endif
-+}
-+
-+int spi_flash_mtd_init(struct spi_flash *flash)
-+{
-+ memset(&sf_mtd_info, 0, sizeof(sf_mtd_info));
-+ sprintf(sf_mtd_name, "nor%d", spi_flash_mtd_number());
-+
-+ sf_mtd_info.name = sf_mtd_name;
-+ sf_mtd_info.type = MTD_NORFLASH;
-+ sf_mtd_info.flags = MTD_CAP_NORFLASH;
-+ sf_mtd_info.writesize = 1;
-+
-+ sf_mtd_info.erase = spi_flash_mtd_erase;
-+ sf_mtd_info.read = spi_flash_mtd_read;
-+ sf_mtd_info.write = spi_flash_mtd_write;
-+ sf_mtd_info.sync = spi_flash_mtd_sync;
-+
-+ sf_mtd_info.size = flash->size;
-+ sf_mtd_info.priv = flash;
-+
-+ /* Only uniform flash devices for now */
-+ sf_mtd_info.numeraseregions = 0;
-+ sf_mtd_info.erasesize = flash->sector_size;
-+
-+ return add_mtd_device(&sf_mtd_info);
-+}