diff options
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.patch | 133 |
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); -+} |