[U-Boot] [PATCH v5 00/27] SPI-NAND support

Boris Brezillon boris.brezillon at bootlin.com
Tue Jul 31 19:48:26 UTC 2018 

On Tue, 31 Jul 2018 21:25:53 +0200
Boris Brezillon <boris.brezillon at bootlin.com> wrote:

> Hi Jagan,
> 
> On Tue, 31 Jul 2018 20:03:47 +0530
> Jagan Teki <jagan at amarulasolutions.com> wrote:
> 
> > > Applied to u-boot-spi/master    
> > 
> > Look like we have some build issues [1]?  
> 
> Yep, I reproduced the issue. Looks like u-boot Makefile hierarchy is a
> bit different from Linux one, and patch is breaking raw/parallel NAND
> build. I fixed it up (see below diff). This diff should be merged in
> patch 9, and you'll have to fix a few conflicts when rebasing. Here is
> a branch [1] containing this fixup commit (placed just after the
> offending one) in case you want to check the end result. 
> 

New diff, this time with all tree-wide

	s/drivers\/mtd\/nand/drivers\/mtd\/nand\/raw/

My branch has been updated accordingly.

--->8---
diff --git a/MAINTAINERS b/MAINTAINERS
index fe8423530c10..db3db2ec8a43 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -281,7 +281,7 @@ F:	drivers/i2c/i2c-cdns.c
 F:	drivers/i2c/muxes/pca954x.c
 F:	drivers/i2c/zynq_i2c.c
 F:	drivers/mmc/zynq_sdhci.c
-F:	drivers/mtd/nand/zynq_nand.c
+F:	drivers/mtd/nand/raw/zynq_nand.c
 F:	drivers/net/phy/xilinx_phy.c
 F:	drivers/net/zynq_gem.c
 F:	drivers/serial/serial_zynq.c
@@ -305,7 +305,7 @@ F:	drivers/i2c/i2c-cdns.c
 F:	drivers/i2c/muxes/pca954x.c
 F:	drivers/i2c/zynq_i2c.c
 F:	drivers/mmc/zynq_sdhci.c
-F:	drivers/mtd/nand/zynq_nand.c
+F:	drivers/mtd/nand/raw/zynq_nand.c
 F:	drivers/net/phy/xilinx_phy.c
 F:	drivers/net/zynq_gem.c
 F:	drivers/serial/serial_zynq.c
@@ -441,7 +441,7 @@ NAND FLASH
 #M:	Scott Wood <oss at buserror.net>
 S:	Orphaned (Since 2018-07)
 T:	git git://git.denx.de/u-boot-nand-flash.git
-F:	drivers/mtd/nand/
+F:	drivers/mtd/nand/raw/
 
 NDS32
 M:	Macpaul Lin <macpaul at andestech.com>
diff --git a/Makefile b/Makefile
index 884b7d943cf7..a38146003d77 100644
--- a/Makefile
+++ b/Makefile
@@ -685,7 +685,7 @@ libs-y += drivers/dma/
 libs-y += drivers/gpio/
 libs-y += drivers/i2c/
 libs-y += drivers/mtd/
-libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
+libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/
 libs-y += drivers/mtd/onenand/
 libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
 libs-y += drivers/mtd/spi/
diff --git a/README b/README
index aee0f7371c42..fd5034ce91f2 100644
--- a/README
+++ b/README
@@ -3264,8 +3264,8 @@ Low Level (hardware related) configuration options:
 		a 16 bit bus.
 		Not all NAND drivers use this symbol.
 		Example of drivers that use it:
-		- drivers/mtd/nand/ndfc.c
-		- drivers/mtd/nand/mxc_nand.c
+		- drivers/mtd/nand/raw/ndfc.c
+		- drivers/mtd/nand/raw/mxc_nand.c
 
 - CONFIG_SYS_NDFC_EBC0_CFG
 		Sets the EBC0_CFG register for the NDFC. If not defined
@@ -3382,7 +3382,7 @@ Low Level (hardware related) configuration options:
 - CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
 		Option to disable subpage write in NAND driver
 		driver that uses this:
-		drivers/mtd/nand/davinci_nand.c
+		drivers/mtd/nand/raw/davinci_nand.c
 
 Freescale QE/FMAN Firmware Support:
 -----------------------------------
diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c
index 8ffb9a8d3c2c..1b871c62ced2 100644
--- a/arch/arm/mach-uniphier/board_late_init.c
+++ b/arch/arm/mach-uniphier/board_late_init.c
@@ -12,7 +12,7 @@
 #include <stdio.h>
 #include <linux/io.h>
 #include <linux/printk.h>
-#include <../drivers/mtd/nand/denali.h>
+#include <../drivers/mtd/nand/raw/denali.h>
 
 #include "init.h"
 
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 2af26a881af0..7bf7a2354221 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -479,7 +479,7 @@ config SPL_NAND_SUPPORT
 	help
 	  Enable support for NAND (Negative AND) flash in SPL. NAND flash
 	  can be used to allow SPL to load U-Boot from supported devices.
-	  This enables the drivers in drivers/mtd/nand as part of an SPL
+	  This enables the drivers in drivers/mtd/nand/raw as part of an SPL
 	  build.
 
 config SPL_NET_SUPPORT
diff --git a/common/spl/spl_spi.c b/common/spl/spl_spi.c
index ba60a3a3c505..0016d4973905 100644
--- a/common/spl/spl_spi.c
+++ b/common/spl/spl_spi.c
@@ -2,7 +2,7 @@
 /*
  * Copyright (C) 2011 OMICRON electronics GmbH
  *
- * based on drivers/mtd/nand/nand_spl_load.c
+ * based on drivers/mtd/nand/raw/nand_spl_load.c
  *
  * Copyright (C) 2011
  * Heiko Schocher, DENX Software Engineering, hs at denx.de.
diff --git a/doc/README.SPL b/doc/README.SPL
index 3ba313caa8f7..fc1ca1ad4f51 100644
--- a/doc/README.SPL
+++ b/doc/README.SPL
@@ -57,11 +57,11 @@ CONFIG_SPL_FAT_SUPPORT (fs/fat/libfat.o)
 CONFIG_SPL_EXT_SUPPORT
 CONFIG_SPL_LIBGENERIC_SUPPORT (lib/libgeneric.o)
 CONFIG_SPL_POWER_SUPPORT (drivers/power/libpower.o)
-CONFIG_SPL_NAND_SUPPORT (drivers/mtd/nand/libnand.o)
+CONFIG_SPL_NAND_SUPPORT (drivers/mtd/nand/raw/libnand.o)
 CONFIG_SPL_DRIVERS_MISC_SUPPORT (drivers/misc)
 CONFIG_SPL_DMA_SUPPORT (drivers/dma/libdma.o)
 CONFIG_SPL_POST_MEM_SUPPORT (post/drivers/memory.o)
-CONFIG_SPL_NAND_LOAD (drivers/mtd/nand/nand_spl_load.o)
+CONFIG_SPL_NAND_LOAD (drivers/mtd/nand/raw/nand_spl_load.o)
 CONFIG_SPL_SPI_LOAD (drivers/mtd/spi/spi_spl_load.o)
 CONFIG_SPL_RAM_DEVICE (common/spl/spl.c)
 CONFIG_SPL_WATCHDOG_SUPPORT (drivers/watchdog/libwatchdog.o)
diff --git a/doc/README.arm-relocation b/doc/README.arm-relocation
index 645b3746c8a8..d2a7e8122e90 100644
--- a/doc/README.arm-relocation
+++ b/doc/README.arm-relocation
@@ -84,7 +84,7 @@ Relocation with SPL (example for the tx25 booting from NAND Flash):
 - cpu copies the first page from NAND to 0xbb000000 (IMX_NFC_BASE)
   and start with code execution on this address.
 
-- The First page contains u-boot code from drivers/mtd/nand/mxc_nand_spl.c
+- The First page contains u-boot code from drivers/mtd/nand/raw/mxc_nand_spl.c
   which inits the dram, cpu registers, reloacte itself to CONFIG_SPL_TEXT_BASE	and loads
   the "real" u-boot to CONFIG_SYS_NAND_U_BOOT_DST and starts execution
   @CONFIG_SYS_NAND_U_BOOT_START
diff --git a/doc/README.nand b/doc/README.nand
index cda11b43ffc5..ec461b2dc933 100644
--- a/doc/README.nand
+++ b/doc/README.nand
@@ -116,7 +116,7 @@ Configuration Options:
       The maximum number of NAND chips per device to be supported.
 
    CONFIG_SYS_NAND_SELF_INIT
-      Traditionally, glue code in drivers/mtd/nand/nand.c has driven
+      Traditionally, glue code in drivers/mtd/nand/raw/nand.c has driven
       the initialization process -- it provides the mtd and nand
       structs, calls a board init function for a specific device,
       calls nand_scan(), and registers with mtd.
@@ -125,7 +125,7 @@ Configuration Options:
       run code between nand_scan_ident() and nand_scan_tail(), or other
       deviations from the "normal" flow.
 
-      If a board defines CONFIG_SYS_NAND_SELF_INIT, drivers/mtd/nand/nand.c
+      If a board defines CONFIG_SYS_NAND_SELF_INIT, drivers/mtd/nand/raw/nand.c
       will make one call to board_nand_init(), with no arguments.  That
       function is responsible for calling a driver init function for
       each NAND device on the board, that performs all initialization
@@ -280,7 +280,7 @@ NOTE:
 =====
 
 The Disk On Chip driver is currently broken and has been for some time.
-There is a driver in drivers/mtd/nand, taken from Linux, that works with
+There is a driver in drivers/mtd/nand/raw, taken from Linux, that works with
 the current NAND system but has not yet been adapted to the u-boot
 environment.
 
diff --git a/doc/README.zynq b/doc/README.zynq
index 5b0672c50359..da977b2016a6 100644
--- a/doc/README.zynq
+++ b/doc/README.zynq
@@ -63,7 +63,7 @@ bootmode strings at runtime.
   spi - drivers/spi/zynq_spi.c
   qspi - drivers/spi/zynq_qspi.c
   i2c - drivers/i2c/zynq_i2c.c
-  nand - drivers/mtd/nand/zynq_nand.c
+  nand - drivers/mtd/nand/raw/zynq_nand.c
 - Done proper cleanups on board configurations
 - Added basic FDT support for zynq boards
 - d-cache support for zynq_gem.c
diff --git a/drivers/Makefile b/drivers/Makefile
index 276e5ee4d7ee..ccd1b648d058 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -6,7 +6,7 @@ obj-$(CONFIG_$(SPL_TPL_)DRIVERS_MISC_SUPPORT) += misc/ sysreset/ firmware/
 obj-$(CONFIG_$(SPL_TPL_)I2C_SUPPORT) += i2c/
 obj-$(CONFIG_$(SPL_TPL_)LED) += led/
 obj-$(CONFIG_$(SPL_TPL_)MMC_SUPPORT) += mmc/
-obj-$(CONFIG_$(SPL_TPL_)NAND_SUPPORT) += mtd/nand/
+obj-$(CONFIG_$(SPL_TPL_)NAND_SUPPORT) += mtd/nand/raw/
 obj-$(CONFIG_$(SPL_TPL_)PHY) += phy/
 obj-$(CONFIG_$(SPL_TPL_)PINCTRL) += pinctrl/
 obj-$(CONFIG_$(SPL_TPL_)RAM) += ram/
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 8b2d0e118d1c..69f40d15635d 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -1,3 +1,2 @@
 # SPDX-License-Identifier: GPL-2.0+
 
-obj-$(CONFIG_MTD_NAND) += raw/
diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c
index 305e68ad4936..e6a84a52b42b 100644
--- a/drivers/mtd/nand/raw/davinci_nand.c
+++ b/drivers/mtd/nand/raw/davinci_nand.c
@@ -9,7 +9,7 @@
 
 /*
  *
- * linux/drivers/mtd/nand/nand_davinci.c
+ * linux/drivers/mtd/nand/raw/nand_davinci.c
  *
  * NAND Flash Driver
  *
diff --git a/drivers/mtd/nand/raw/nand_ecc.c b/drivers/mtd/nand/raw/nand_ecc.c
index 05e55fce9af6..2bc329be1a3b 100644
--- a/drivers/mtd/nand/raw/nand_ecc.c
+++ b/drivers/mtd/nand/raw/nand_ecc.c
@@ -3,7 +3,7 @@
  * This file contains an ECC algorithm from Toshiba that detects and
  * corrects 1 bit errors in a 256 byte block of data.
  *
- * drivers/mtd/nand/nand_ecc.c
+ * drivers/mtd/nand/raw/nand_ecc.c
  *
  * Copyright (C) 2000-2004 Steven J. Hill (sjhill at realitydiluted.com)
  *                         Toshiba America Electronics Components, Inc.
diff --git a/drivers/mtd/nand/raw/nand_util.c b/drivers/mtd/nand/raw/nand_util.c
index 1ded7aa9207d..fc2235c1a0ec 100644
--- a/drivers/mtd/nand/raw/nand_util.c
+++ b/drivers/mtd/nand/raw/nand_util.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * drivers/mtd/nand/nand_util.c
+ * drivers/mtd/nand/raw/nand_util.c
  *
  * Copyright (C) 2006 by Weiss-Electronic GmbH.
  * All rights reserved.
diff --git a/drivers/mtd/nand/raw/pxa3xx_nand.c b/drivers/mtd/nand/raw/pxa3xx_nand.c
index 9d02fd8eb113..67b2b62f76cc 100644
--- a/drivers/mtd/nand/raw/pxa3xx_nand.c
+++ b/drivers/mtd/nand/raw/pxa3xx_nand.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * drivers/mtd/nand/pxa3xx_nand.c
+ * drivers/mtd/nand/raw/pxa3xx_nand.c
  *
  * Copyright © 2005 Intel Corporation
  * Copyright © 2006 Marvell International Ltd.
diff --git a/include/configs/MPC8313ERDB.h b/include/configs/MPC8313ERDB.h
index 1f56deb15182..2a58058ebb56 100644
--- a/include/configs/MPC8313ERDB.h
+++ b/include/configs/MPC8313ERDB.h
@@ -242,7 +242,7 @@
 				/* LB refresh timer prescal, 266MHz/32 */
 #define CONFIG_SYS_LBC_MRTPR	0x20000000  /*TODO */
 
-/* drivers/mtd/nand/nand.c */
+/* drivers/mtd/nand/raw/nand.c */
 #if defined(CONFIG_NAND) && defined(CONFIG_SPL_BUILD)
 #define CONFIG_SYS_NAND_BASE		0xFFF00000
 #else

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