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The QorIQ LS1012A processor, optimized for battery-backed or USB-powered, integrates a single ARM Cortex-A53 core with a hardware packet forwarding engine and high-speed interfaces to deliver line-rate networking performance. QorIQ LS1012A Reference Design System (LS1012ARDB) is a high-performance development platform, with a complete debugging environment. The LS1012ARDB board supports the QorIQ LS1012A processor and is optimized to support the high-bandwidth DDR3L memory and a full complement of high-speed SerDes ports. LEDE/OPENWRT will auto strip executable program file while make. So we need select CONFIG_NO_STRIP=y while make menuconfig to avoid the ppfe network fiemware be destroyed, then run make to build ls1012ardb firmware. The fsl-quadspi flash with jffs2 fs is unstable and arise some failed message. This issue have noticed the IP owner for investigate, hope he can solve it earlier. So the ls1012ardb now also provide a xx-firmware.ext4.bin as default firmware, and the uboot bootcmd will run wrtboot_ext4rfs for "rootfstype=ext4" bootargs. Signed-off-by: Yutang Jiang <yutang.jiang@nxp.com>
47 lines
1.2 KiB
Diff
47 lines
1.2 KiB
Diff
From b5929f91416d64afacf46c649f38cc8f0eea50d2 Mon Sep 17 00:00:00 2001
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From: Michal Suchanek <hramrach@gmail.com>
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Date: Wed, 2 Dec 2015 10:38:20 +0000
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Subject: [PATCH 096/113] mtd: spi-nor: add read loop
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mtdblock and ubi do not handle the situation when read returns less data
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than requested. Loop in spi-nor until buffer is filled or an error is
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returned.
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Signed-off-by: Michal Suchanek <hramrach@gmail.com>
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Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@freescale.com>
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---
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drivers/mtd/spi-nor/spi-nor.c | 20 ++++++++++++++------
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1 file changed, 14 insertions(+), 6 deletions(-)
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--- a/drivers/mtd/spi-nor/spi-nor.c
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+++ b/drivers/mtd/spi-nor/spi-nor.c
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@@ -919,14 +919,22 @@ static int spi_nor_read(struct mtd_info
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if (ret)
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return ret;
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- ret = nor->read(nor, from, len, buf);
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+ while (len) {
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+ ret = nor->read(nor, from, len, buf);
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+ if (ret <= 0)
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+ goto read_err;
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- spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_READ);
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- if (ret < 0)
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- return ret;
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+ WARN_ON(ret > len);
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+ *retlen += ret;
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+ buf += ret;
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+ from += ret;
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+ len -= ret;
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+ }
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+ ret = 0;
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- *retlen += ret;
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- return 0;
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+read_err:
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+ spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_READ);
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+ return ret;
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}
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static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
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