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Message-ID: <20171130012617.73ef9cef@jawa>
Date: Thu, 30 Nov 2017 01:26:17 +0100
From: Lukasz Majewski <lukma@...x.de>
To: Alexander Sverdlin <alexander.sverdlin@...il.com>
Cc: Arnd Bergmann <arnd@...db.de>, arndbergmann@...il.com,
Hartley Sweeten <hsweeten@...ionengravers.com>,
Russell King <linux@...linux.org.uk>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Olof Johansson <olof@...om.net>,
Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v2 6/6] ARM: ep93xx: ts72xx: Add support for BK3 board -
ts72xx derivative
On Wed, 29 Nov 2017 23:07:04 +0100
Lukasz Majewski <lukma@...x.de> wrote:
> Hi Alexander,
>
> > Hello Lukasz,
> >
> > some nitpicking below...
> >
> > On 21/11/17 15:32, Lukasz Majewski wrote:
> > > The BK3 board is a derivative of the ts72xx reference design.
> > >
> > > Signed-off-by: Lukasz Majewski <lukma@...x.de>
> > > ---
> > > Changes for v2:
> > > - Place bk3 support code to the ts72xx.c file
> > > ---
> > > arch/arm/mach-ep93xx/Kconfig | 7 +++++
> > > arch/arm/mach-ep93xx/ts72xx.c | 64
> > > +++++++++++++++++++++++++++++++++++++++++++
> > > arch/arm/mach-ep93xx/ts72xx.h | 5 ++++
> > > arch/arm/tools/mach-types | 1 + 4 files changed, 77
> > > insertions(+)
> > >
> > > diff --git a/arch/arm/mach-ep93xx/Kconfig
> > > b/arch/arm/mach-ep93xx/Kconfig index 61a75ca3684e..c095236d7ff8
> > > 100644 --- a/arch/arm/mach-ep93xx/Kconfig
> > > +++ b/arch/arm/mach-ep93xx/Kconfig
> > > @@ -21,6 +21,13 @@ config MACH_ADSSPHERE
> > > Say 'Y' here if you want your kernel to support the ADS
> > > Sphere board.
> > >
> > > +config MACH_BK3
> > > + bool "Support Liebherr BK3.1"
> > > + select MACH_TS72XX
> > > + help
> > > + Say 'Y' here if you want your kernel to support the
> > > + Liebherr controller BK3.1.
> > > +
> > > config MACH_EDB93XX
> > > bool
> > >
> > > diff --git a/arch/arm/mach-ep93xx/ts72xx.c
> > > b/arch/arm/mach-ep93xx/ts72xx.c index 2e8fcc6e87b6..0de19b136ad0
> > > 100644 --- a/arch/arm/mach-ep93xx/ts72xx.c
> > > +++ b/arch/arm/mach-ep93xx/ts72xx.c
> > > @@ -18,8 +18,10 @@
> > > #include <linux/io.h>
> > > #include <linux/mtd/rawnand.h>
> > > #include <linux/mtd/partitions.h>
> > > +#include <linux/amba/bus.h>
> > >
> > > #include <mach/hardware.h>
> > > +#include <mach/irqs.h>
> > >
> > > #include <asm/mach-types.h>
> > > #include <asm/mach/map.h>
> > > @@ -261,3 +263,65 @@ MACHINE_START(TS72XX, "Technologic Systems
> > > TS-72xx SBC") .init_late = ep93xx_init_late,
> > > .restart = ep93xx_restart,
> > > MACHINE_END
> > > +
> > > +/*************************************************************************
> > > + * BK3 support code
> > > +
> > > *************************************************************************/
> > > +static struct mtd_partition bk3_nand_parts[] = {
> > > + {
> > > + .name = "System",
> > > + .offset = 0x00000000,
> >
> > I see the above and below lines as unaligned
>
> This is strange.... I'm using emacs with extension to have coding
> style for kernel.
>
> Probably tabs get unaligned...
>
> >
> > > + .size = 0x01e00000,
> > > + }, {
> > > + .name = "Data",
> > > + .offset = 0x01e00000,
> >
> > same here
> >
> > > + .size = 0x05f20000
> > > + }, {
> > > + .name = "RedBoot",
> > > + .offset = 0x07d20000,
> >
> > same here
> >
> > > + .size = 0x002e0000,
> > > + .mask_flags = MTD_WRITEABLE, /*
> > > force RO */
> > > + },
> > > +};
> > > +
> > > +static AMBA_APB_DEVICE(i2s1, "apb:i2s", 1, EP93XX_I2S_PHYS_BASE,
> > > + { IRQ_EP93XX_SAI }, NULL);
> > > +
> > > +static struct map_desc bk3_io_desc[] __initdata = {
> > > + {
> > > + .virtual = BK3_CPLDVER_VIRT_BASE,
> > > + .pfn =
> > > __phys_to_pfn(BK3_CPLDVER_PHYS_BASE),
> > > + .length = BK3_CPLDVER_SIZE,
> >
> > same here
> >
> > > + .type = MT_DEVICE,
> > > + }
> > > +};
> > > +
> > > +static void __init bk3_map_io(void)
> > > +{
> > > + ts72xx_common_map_io();
> > > + iotable_init(bk3_io_desc, ARRAY_SIZE(bk3_io_desc));
> > > +}
> > > +
> > > +static void __init bk3_init_machine(void)
> > > +{
> > > + ep93xx_init_devices();
> > > +
> > > + ts72xx_register_flash(bk3_nand_parts,
> > > ARRAY_SIZE(bk3_nand_parts),
> > > + EP93XX_CS6_PHYS_BASE);
> > > +
> > > + platform_device_register(&ts72xx_wdt_device);
> > > + ep93xx_register_eth(&ts72xx_eth_data, 1);
> > > +
> > > + amba_device_register(&i2s1_device, &iomem_resource);
> > > +}
> > > +
> > > +MACHINE_START(BK3, "Liebherr controller BK3.1")
> > > + /* Maintainer: Lukasz Majewski <lukma@...x.de> */
> >
> > Don't you want to add an entry to the MAINTAINERS file instead?
> > Then get_maintainer.pl would be able to suggest your email.
>
> Yes. This would be a good idea (I've followed the "style" of other
> boards in the mach-ep93xx directory).
>
> I will fix that ....... and send v3 with included some extra code - as
> I've found and fixed several issues since last posting.
>
> Anyway, many thanks for review.
>
> >
> > > + .atag_offset = 0x100,
> > > + .map_io = bk3_map_io,
> >
> > again, inconsistent alignment...
>
> Even more..... checkpatch.pl did not complained....
I've double checked - this misalignment seems to be only in e-mail.
In the ts72xx.c file it is all "tabifi'ed".
(and no checkpatch errors).
>
> >
> > > + .init_irq = ep93xx_init_irq,
> > > + .init_time = ep93xx_timer_init,
> > > + .init_machine = bk3_init_machine,
> > > + .init_late = ep93xx_init_late,
> > > + .restart = ep93xx_restart,
> > > +MACHINE_END
> > > diff --git a/arch/arm/mach-ep93xx/ts72xx.h
> > > b/arch/arm/mach-ep93xx/ts72xx.h index d9ff04db3221..d3165bb9ee78
> > > 100644 --- a/arch/arm/mach-ep93xx/ts72xx.h
> > > +++ b/arch/arm/mach-ep93xx/ts72xx.h
> > > @@ -45,6 +45,11 @@
> > > #define TS72XX_WDT_CONTROL_PHYS_BASE 0x23800000
> > > #define TS72XX_WDT_FEED_PHYS_BASE 0x23c00000
> > >
> > > +/* BK3 specific defines */
> > > +#define BK3_CPLDVER_PHYS_BASE 0x23400000
> > > +#define BK3_CPLDVER_VIRT_BASE 0xfebfd000
> > > +#define BK3_CPLDVER_SIZE 0x00001000
> > > +
> > > #ifndef __ASSEMBLY__
> > >
> > > static inline int ts72xx_model(void)
> > > diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
> > > index a9313b66f770..4eac94c1eb6f 100644
> > > --- a/arch/arm/tools/mach-types
> > > +++ b/arch/arm/tools/mach-types
> > > @@ -345,6 +345,7 @@ mxlads
> > > MACH_MXLADS MXLADS 1851
> > > linkstation_mini MACH_LINKSTATION_MINI
> > > LINKSTATION_MINI 1858 afeb9260
> > > MACH_AFEB9260 AFEB9260 1859
> > > imx27ipcam MACH_IMX27IPCAM
> > > IMX27IPCAM 1871 +bk3
> > > MACH_BK3 BK3 1880
> > > rd88f6183ap_ge MACH_RD88F6183AP_GE
> > > RD88F6183AP_GE 1894 realview_pba8
> > > MACH_REALVIEW_PBA8 REALVIEW_PBA8 1897
> > > realview_pbx MACH_REALVIEW_PBX
> > > REALVIEW_PBX 1901
>
>
>
> Best regards,
>
> Lukasz Majewski
>
> --
>
> DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@...x.de
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@...x.de
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