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[openwrt/openwrt.git] / package / boot / uboot-layerscape / patches / 0071-driver-fsl_qspi-disable-AHB-buffer-prefetch.patch

diff --git a/package/boot/uboot-layerscape/patches/0071-driver-fsl_qspi-disable-AHB-buffer-prefetch.patch b/package/boot/uboot-layerscape/patches/0071-driver-fsl_qspi-disable-AHB-buffer-prefetch.patch
deleted file mode 100644 (file)
index a7cb7b4..0000000
--- a/package/boot/uboot-layerscape/patches/0071-driver-fsl_qspi-disable-AHB-buffer-prefetch.patch
+++ /dev/null
@@ -1,58 +0,0 @@
-From e2a5bba97cd6e42b2b631bd17012aa26ffdb5f67 Mon Sep 17 00:00:00 2001
-From: Yunhui Cui <yunhui.cui@nxp.com>
-Date: Tue, 12 Jul 2016 10:30:08 +0800
-Subject: [PATCH 71/93] driver: fsl_qspi: disable AHB buffer prefetch
-
-Errata: A-009282: QuadSPI data pre-fetch can result in incorrect data
-When we enable the CONFIG_SYS_FSL_QSPI_AHB, we need this errata workaround.
-
-Signed-off-by: Yunhui Cui <yunhui.cui@nxp.com>
----
- drivers/spi/fsl_qspi.c           |   12 +++++++++++-
- include/configs/ls1012a_common.h |    1 +
- 2 files changed, 12 insertions(+), 1 deletion(-)
-
-diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
-index 09759fa..f1c87f5 100644
---- a/drivers/spi/fsl_qspi.c
-+++ b/drivers/spi/fsl_qspi.c
-@@ -441,13 +441,23 @@ static void qspi_enable_ddr_mode(struct fsl_qspi_priv *priv)
- static void qspi_init_ahb_read(struct fsl_qspi_priv *priv)
- {
-       struct fsl_qspi_regs *regs = priv->regs;
-+      int rx_size = 0x80;
- 
-       /* AHB configuration for access buffer 0/1/2 .*/
-       qspi_write32(priv->flags, &regs->buf0cr, QSPI_BUFXCR_INVALID_MSTRID);
-       qspi_write32(priv->flags, &regs->buf1cr, QSPI_BUFXCR_INVALID_MSTRID);
-       qspi_write32(priv->flags, &regs->buf2cr, QSPI_BUFXCR_INVALID_MSTRID);
-+
-+#ifdef CONFIG_SYS_FSL_ERRATUM_A009282
-+      /*A-009282: QuadSPI data pre-fetch can result in incorrect data
-+       *Workaround: Keep the read data size to 64 bits (8 Bytes), which
-+       *disables the prefetch on the AHB buffer,and prevents this issue
-+       *from occurring.
-+      */
-+      rx_size = 0x1;
-+#endif
-       qspi_write32(priv->flags, &regs->buf3cr, QSPI_BUF3CR_ALLMST_MASK |
--                   (0x80 << QSPI_BUF3CR_ADATSZ_SHIFT));
-+                   (rx_size << QSPI_BUF3CR_ADATSZ_SHIFT));
- 
-       /* We only use the buffer3 */
-       qspi_write32(priv->flags, &regs->buf0ind, 0);
-diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h
-index 47b8ec3..f0ae355 100644
---- a/include/configs/ls1012a_common.h
-+++ b/include/configs/ls1012a_common.h
-@@ -68,6 +68,7 @@
- #define FSL_QSPI_FLASH_SIZE           (1 << 26)
- #define FSL_QSPI_FLASH_NUM            2
- #define CONFIG_SYS_FSL_QSPI_AHB
-+#define CONFIG_SYS_FSL_ERRATUM_A009282
- 
- /*
-  * Environment
--- 
-1.7.9.5
-