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Message-ID: <20150515202324.GN11598@ld-irv-0074>
Date: Fri, 15 May 2015 13:23:24 -0700
From: Brian Norris <computersforpeace@...il.com>
To: linux-mtd@...ts.infradead.org
Cc: Dmitry Torokhov <dtor@...gle.com>,
Anatol Pomazao <anatol@...gle.com>,
Ray Jui <rjui@...adcom.com>,
Corneliu Doban <cdoban@...adcom.com>,
Jonathan Richardson <jonathar@...adcom.com>,
Scott Branden <sbranden@...adcom.com>,
Florian Fainelli <f.fainelli@...il.com>,
Rafał Miłecki <zajec5@...il.com>,
bcm-kernel-feedback-list@...adcom.com,
Dan Ehrenberg <dehrenberg@...omium.org>,
Gregory Fong <gregory.0xf0@...il.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Kevin Cernekee <cernekee@...il.com>,
Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v4 00/11] mtd: nand: add Broadcom NAND controller support
On Tue, May 12, 2015 at 05:53:33PM -0700, Brian Norris wrote:
> Hi,
>
> This is the fourth (and final?) version of support for the Broadcom BCM7xxx
> Set-Top Box NAND controller. This controller has been used in a variety of
> Broadcom SoCs.
>
> Tested to work on Cygnus, BCM7445, and BCM63138.
Pushed everything but the ARM/dts patches to l2-mtd.git, with a small
fixup on the Kconfig symbols (s/MTD_NAND_BRCMSTB/MTD_NAND_BRCMNAND/).
Diff appended to this email. I have a few insubstantial fixups that I'll
send out later, but there seems to be no more comments on the core
stuff.
> Summary changelog:
>
> v1 -> v2:
> * add NAND to DTS for BCM7445 / BCM97445SVMB
> * rename DT binding file to have 'brcm,' prefix
> * catch DMA mapping errors
> * fixup timeout / error messages (hex, remove misleading info)
> * MODULE_LICENSE("GPL v2")
> * fix incorrect comments
> * print why we fail, when checking for supported controller revisions
> * disable prefetch when using Flash DMA (see FIXME); will re-enable once we
> get a good erased-page verification scheme merged
>
> v2 -> v3:
> * rebase to v4.1-rc1
> * add SoC-specific infrastructure, to help support other SoCs:
> - add BCM63138 support
> - add iProc/Cygnus support
> * disable prefetch on v6.1
>
> v3 -> v4:
> * move to brcmnand/ subdirectory
> * add MAINTAINERS entry
> * fixup endianness issues (only use __raw_xxx on MIPS BE)
> * split core NAND support into library, with tiny platform drivers for STB
> (BCM7xxx), iProc, and BCM63138
> * restructure DT binding, so all SoC extras become part of main controller
> node
>
> Brian Norris (10):
> Documentation: devicetree: add binding doc for Broadcom NAND
> controller
> mtd: nand: add NAND driver "library" for Broadcom STB NAND controller
> mtd: brcmnand: add support for STB chips
> ARM: bcm7445: add NAND to DTS
> Documentation: devicetree: brcmstb_nand: add BCM63138 and Cygnus/iProc
> mtd: brcmnand: add extra SoC support to library
> mtd: brcmnand: add support for Broadcom's IPROC family
> mtd: brcmnand: add BCM63138 support
> ARM: bcm63138: add NAND DT support
> MAINTAINERS: add entry for new brcmnand/ directory
>
> Ray Jui (1):
> ARM: dts: cygnus: Enable NAND support for Cygnus
>
> .../devicetree/bindings/mtd/brcm,brcmnand.txt | 150 ++
> MAINTAINERS | 6 +
> arch/arm/boot/dts/bcm-cygnus.dtsi | 12 +
> arch/arm/boot/dts/bcm63138.dtsi | 11 +
> arch/arm/boot/dts/bcm7445-bcm97445svmb.dts | 23 +
> arch/arm/boot/dts/bcm7445.dtsi | 22 +
> arch/arm/boot/dts/bcm958300k.dts | 16 +
> arch/arm/boot/dts/bcm963138dvt.dts | 12 +
> drivers/mtd/nand/Kconfig | 8 +
> drivers/mtd/nand/Makefile | 1 +
> drivers/mtd/nand/brcmnand/Makefile | 6 +
> drivers/mtd/nand/brcmnand/bcm63138_nand.c | 111 +
> drivers/mtd/nand/brcmnand/brcmnand.c | 2246 ++++++++++++++++++++
> drivers/mtd/nand/brcmnand/brcmnand.h | 73 +
> drivers/mtd/nand/brcmnand/brcmstb_nand.c | 44 +
> drivers/mtd/nand/brcmnand/iproc_nand.c | 150 ++
> 16 files changed, 2891 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt
> create mode 100644 drivers/mtd/nand/brcmnand/Makefile
> create mode 100644 drivers/mtd/nand/brcmnand/bcm63138_nand.c
> create mode 100644 drivers/mtd/nand/brcmnand/brcmnand.c
> create mode 100644 drivers/mtd/nand/brcmnand/brcmnand.h
> create mode 100644 drivers/mtd/nand/brcmnand/brcmstb_nand.c
> create mode 100644 drivers/mtd/nand/brcmnand/iproc_nand.c
>
The following was squashed into the appropriate patches.
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 3587017b209a..376b538a5d1f 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -394,7 +394,7 @@ config MTD_NAND_GPMI_NAND
block, such as SD card. So pay attention to it when you enable
the GPMI.
-config MTD_NAND_BRCMSTB
+config MTD_NAND_BRCMNAND
tristate "Broadcom STB NAND controller"
depends on ARM || MIPS
help
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 7fd5f1e7ad5e..1f897ec3c242 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -52,6 +52,6 @@ obj-$(CONFIG_MTD_NAND_XWAY) += xway_nand.o
obj-$(CONFIG_MTD_NAND_BCM47XXNFLASH) += bcm47xxnflash/
obj-$(CONFIG_MTD_NAND_SUNXI) += sunxi_nand.o
obj-$(CONFIG_MTD_NAND_HISI504) += hisi504_nand.o
-obj-$(CONFIG_MTD_NAND_BRCMSTB) += brcmnand/
+obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand/
nand-objs := nand_base.o nand_bbt.o nand_timings.o
diff --git a/drivers/mtd/nand/brcmnand/Makefile b/drivers/mtd/nand/brcmnand/Makefile
index 45a091e0550f..3b1fbfd27d4f 100644
--- a/drivers/mtd/nand/brcmnand/Makefile
+++ b/drivers/mtd/nand/brcmnand/Makefile
@@ -1,6 +1,6 @@
# link order matters; don't link the more generic brcmstb_nand.o before the
# more specific iproc_nand.o, for instance
-obj-$(CONFIG_MTD_NAND_BRCMSTB) += iproc_nand.o
-obj-$(CONFIG_MTD_NAND_BRCMSTB) += bcm63138_nand.o
-obj-$(CONFIG_MTD_NAND_BRCMSTB) += brcmstb_nand.o
-obj-$(CONFIG_MTD_NAND_BRCMSTB) += brcmnand.o
+obj-$(CONFIG_MTD_NAND_BRCMNAND) += iproc_nand.o
+obj-$(CONFIG_MTD_NAND_BRCMNAND) += bcm63138_nand.o
+obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmstb_nand.o
+obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand.o
--
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