diff options
Diffstat (limited to 'package/boot/uboot-layerscape/patches/0057-driver-spi-Fix-DSPI-bug-after-adding-exceed-16MB-for.patch')
| -rw-r--r-- | package/boot/uboot-layerscape/patches/0057-driver-spi-Fix-DSPI-bug-after-adding-exceed-16MB-for.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/package/boot/uboot-layerscape/patches/0057-driver-spi-Fix-DSPI-bug-after-adding-exceed-16MB-for.patch b/package/boot/uboot-layerscape/patches/0057-driver-spi-Fix-DSPI-bug-after-adding-exceed-16MB-for.patch new file mode 100644 index 0000000..661243f --- /dev/null +++ b/package/boot/uboot-layerscape/patches/0057-driver-spi-Fix-DSPI-bug-after-adding-exceed-16MB-for.patch @@ -0,0 +1,92 @@ +From 0ff26c3761e5a17d21e7ee0bd9a2068f55c84d55 Mon Sep 17 00:00:00 2001 +From: Yunhui Cui <yunhui.cui@nxp.com> +Date: Wed, 15 Jun 2016 14:57:08 +0800 +Subject: [PATCH 57/93] driver: spi: Fix DSPI bug after adding exceed 16MB for + QSPI + +=> sf probe 1:0 +SF: Detected N25Q128A with page size 256 Bytes, erase size 64 KiB, total +16 MiB +=> mw.l 80000000 55555555 1100 +=> mw.l 80020000 aaaaaaaa 1100 +=> sf erase 0 +1100 +SF: 65536 bytes @ 0x0 Erased: OK +=> sf write 80020000 0 1100 +device 0 offset 0x0, size 0x1100 +SF: 4352 bytes @ 0x0 Written: OK +=> sf read 80000000 0 1100 +device 0 offset 0x0, size 0x1100 +SF: 4352 bytes @ 0x0 Read: OK +=> cmp.b 80000000 80020000 1100 +byte at 0x00000000800010fe (0xff) != byte at 0x00000000800210fe (0xaa) +Total of 4350 byte(s) were the same + +Signed-off-by: Yunhui Cui <yunhui.cui@nxp.com> +--- + drivers/mtd/spi/spi_flash.c | 21 +++++++++++++++------ + 1 file changed, 15 insertions(+), 6 deletions(-) + +diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c +index b0f09ab..e04bd55 100644 +--- a/drivers/mtd/spi/spi_flash.c ++++ b/drivers/mtd/spi/spi_flash.c +@@ -326,8 +326,11 @@ int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len) + return -EINVAL; + } + } ++ if (flash->size > SPI_FLASH_16MB_BOUN) ++ cmdsz = SPI_FLASH_CMD_LEN_EXT + flash->dummy_byte; ++ else ++ cmdsz = SPI_FLASH_CMD_LEN; + +- cmdsz = SPI_FLASH_CMD_LEN_EXT + flash->dummy_byte; + cmd = calloc(1, cmdsz); + if (!cmd) { + debug("SF: Failed to allocate cmd\n"); +@@ -353,7 +356,7 @@ int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len) + debug("SF: erase %2x %2x %2x %2x (%x)\n", cmd[0], cmd[1], + cmd[2], cmd[3], erase_addr); + +- ret = spi_flash_write_common(flash, cmd, sizeof(cmd), NULL, 0); ++ ret = spi_flash_write_common(flash, cmd, cmdsz, NULL, 0); + if (ret < 0) { + debug("SF: erase failed\n"); + break; +@@ -385,8 +388,10 @@ int spi_flash_cmd_write_ops(struct spi_flash *flash, u32 offset, + return -EINVAL; + } + } +- +- cmdsz = SPI_FLASH_CMD_LEN_EXT + flash->dummy_byte; ++ if (flash->size > SPI_FLASH_16MB_BOUN) ++ cmdsz = SPI_FLASH_CMD_LEN_EXT + flash->dummy_byte; ++ else ++ cmdsz = SPI_FLASH_CMD_LEN; + cmd = calloc(1, cmdsz); + if (!cmd) { + debug("SF: Failed to allocate cmd\n"); +@@ -418,7 +423,7 @@ int spi_flash_cmd_write_ops(struct spi_flash *flash, u32 offset, + debug("SF: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %zu\n", + buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len); + +- ret = spi_flash_write_common(flash, cmd, sizeof(cmd), ++ ret = spi_flash_write_common(flash, cmd, cmdsz, + buf + actual, chunk_len); + if (ret < 0) { + debug("SF: write failed\n"); +@@ -482,7 +487,11 @@ int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset, + return 0; + } + +- cmdsz = SPI_FLASH_CMD_LEN_EXT + flash->dummy_byte; ++ if (flash->size > SPI_FLASH_16MB_BOUN) ++ cmdsz = SPI_FLASH_CMD_LEN_EXT + flash->dummy_byte; ++ else ++ cmdsz = SPI_FLASH_CMD_LEN + flash->dummy_byte; ++ + cmd = calloc(1, cmdsz); + if (!cmd) { + debug("SF: Failed to allocate cmd\n"); +-- +1.7.9.5 + |