[PATCH] S5PV310: Add Samsung Mobile Reference Board support

Kukjin Kim kgene.kim at samsung.com
Sat Jul 31 00:46:35 EDT 2010


Kyungmin Park wrote:
> 
> On Sat, Jul 31, 2010 at 12:08 PM, Kukjin Kim <kgene.kim at samsung.com>
wrote:
> > Kyungmin Park wrote:
> >>
> >> From: Kyungmin Park <kyungmin.park at samsung.com>
> >>
> >> Initial samsung mobile reference board support
> >>
> >> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> >
> > Cc'ed Ben Dooks...again, please include Ben Dooks in Cc.
> >
> > And it would be helpful to me for review if you could add patch version
and
> > changes.
> > It can help to avoid omission your new patch which has same name with
> > previous one.
> As I can't see the patch at your for-next I resend it.

Hmm...I mean, if this is just 'resend', should being the comment,
'RESEND'...
How can I know that without any comments?

However, your this patch changed UFCON_DEFAULT value.

> >
> >> ---
> >>  arch/arm/mach-s5pv310/Kconfig          |    9 +++
> >>  arch/arm/mach-s5pv310/Makefile         |    1 +
> >>  arch/arm/mach-s5pv310/mach-universal.c |   86
> >> ++++++++++++++++++++++++++++++++
> >>  3 files changed, 96 insertions(+), 0 deletions(-)
> >>  create mode 100644 arch/arm/mach-s5pv310/mach-universal.c
> >>
> >> diff --git a/arch/arm/mach-s5pv310/Kconfig
b/arch/arm/mach-s5pv310/Kconfig
> >> index 24ef3cd..2fe8149 100644
> >> --- a/arch/arm/mach-s5pv310/Kconfig
> >> +++ b/arch/arm/mach-s5pv310/Kconfig
> >> @@ -23,4 +23,13 @@ config MACH_SMDKV310
> >>       select ARCH_SPARSEMEM_ENABLE
> >>       help
> >>         Machine support for Samsung SMDKV310
> >> +
> >> +config MACH_UNIVERSAL
> >
> > As I still asking, do you _really_ want to use 'UNIVERSAL' as the
> > board(machine) name?
> 
> Yes, it's called 'universal' and it's really universal board at here.
> I don't confuse the engineer who develop this board.
> Maybe your engineers saw and hear the brief description about universal
board.
> 
Actually, I know that. But there are S5PC100, S5PC110 universal board
also...
So I asked to you that you _really_ want to use 'universal' here...and I'm
still concerning.

> >
> >> +     bool "Mobile Universal Board"
> >> +     select CPU_S5PV310
> >> +     select ARCH_SPARSEMEM_ENABLE
> >> +     help
> >> +       Machine support for Samsung Mobile Universal Reference Board.
> >> +       S5PC210(MCP) is one of package option of S5PV310
> >> +
> >>  endif
> >> diff --git a/arch/arm/mach-s5pv310/Makefile
> > b/arch/arm/mach-s5pv310/Makefile
> >> index 56e7693..5b52132 100644
> >> --- a/arch/arm/mach-s5pv310/Makefile
> >> +++ b/arch/arm/mach-s5pv310/Makefile
> >> @@ -22,3 +22,4 @@ obj-$(CONFIG_HOTPLUG_CPU)   += hotplug.o
> >>  # machine support
> >>
> >>  obj-$(CONFIG_MACH_SMDKV310)  += mach-smdkv310.o
> >> +obj-$(CONFIG_MACH_UNIVERSAL) += mach-universal.o
> >> diff --git a/arch/arm/mach-s5pv310/mach-universal.c b/arch/arm/mach-
> >> s5pv310/mach-universal.c
> >> new file mode 100644
> >> index 0000000..d22727f
> >> --- /dev/null
> >> +++ b/arch/arm/mach-s5pv310/mach-universal.c
> >> @@ -0,0 +1,86 @@
> >> +/* linux/arch/arm/mach-s5pv310/mach-universal.c
> >> + *
> >> + * Copyright (C) 2010 Samsung Electronics Co., Ltd.
> >> + *
> >> + * This program is free software; you can redistribute it and/or
modify
> >> + * it under the terms of the GNU General Public License version 2 as
> >> + * published by the Free Software Foundation.
> >> +*/
> >> +
> >> +#include <linux/serial_core.h>
> >> +
> >> +#include <asm/mach/arch.h>
> >> +#include <asm/mach-types.h>
> >> +#include <asm/hardware/cache-l2x0.h>
> >> +
> >> +#include <plat/regs-serial.h>
> >> +#include <plat/s5pv310.h>
> >> +#include <plat/cpu.h>
> >> +
> >> +#include <mach/map.h>
> >> +
> >> +/* Following are default values for UCON, ULCON and UFCON UART
registers
> > */
> >> +#define UNIVERSAL_UCON_DEFAULT       (S3C2410_UCON_TXILEVEL
> |        \
> >> +                              S3C2410_UCON_RXILEVEL |        \
> >> +                              S3C2410_UCON_TXIRQMODE |       \
> >> +                              S3C2410_UCON_RXIRQMODE |       \
> >> +                              S3C2410_UCON_RXFIFO_TOI |      \
> >> +                              S3C2443_UCON_RXERR_IRQEN)
> >> +
> >> +#define UNIVERSAL_ULCON_DEFAULT      S3C2410_LCON_CS8
> >> +
> >> +#define UNIVERSAL_UFCON_DEFAULT      (S3C2410_UFCON_FIFOMODE
> |       \
> >> +                             S5PV210_UFCON_TXTRIG256 |       \
> >> +                             S5PV210_UFCON_RXTRIG256)
> >> +
> >> +static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
> >> +     [0] = {
> >> +             .hwport         = 0,
> >
> >
> >> +             .ucon           = UNIVERSAL_UCON_DEFAULT,
> >> +             .ulcon          = UNIVERSAL_ULCON_DEFAULT,
> >> +             .ufcon          = UNIVERSAL_UFCON_DEFAULT,
> >> +     },
> >> +     [1] = {
> >> +             .hwport         = 1,
> >> +             .ucon           = UNIVERSAL_UCON_DEFAULT,
> >> +             .ulcon          = UNIVERSAL_ULCON_DEFAULT,
> >> +             .ufcon          = UNIVERSAL_UFCON_DEFAULT,
> >> +     },
> >> +     [2] = {
> >> +             .hwport         = 2,
> >> +             .ucon           = UNIVERSAL_UCON_DEFAULT,
> >> +             .ulcon          = UNIVERSAL_ULCON_DEFAULT,
> >> +             .ufcon          = UNIVERSAL_UFCON_DEFAULT,
> >> +     },
> >> +     [3] = {
> >> +             .hwport         = 3,
> >> +             .ucon           = UNIVERSAL_UCON_DEFAULT,
> >> +             .ulcon          = UNIVERSAL_ULCON_DEFAULT,
> >> +             .ufcon          = UNIVERSAL_UFCON_DEFAULT,
> >> +     },
> >> +};
> >> +
> >> +static void __init universal_map_io(void)
> >> +{
> >> +     s5p_init_io(NULL, 0, S5P_VA_CHIPID);
> >> +     s3c24xx_init_clocks(24000000);
> >> +     s3c24xx_init_uarts(universal_uartcfgs,
> > ARRAY_SIZE(universal_uartcfgs));
> >> +}
> >> +
> >> +static void __init universal_machine_init(void)
> >> +{
> >> +#ifdef CONFIG_CACHE_L2X0
> >> +     l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
> >> +#endif
> >> +}
> >> +
> >> +MACHINE_START(UNIVERSAL, "UNIVERSAL")
> >> +     /* Maintainer: Kyungmin Park <kyungmin.park at samsung.com> */
> >> +     .phys_io        = S3C_PA_UART & 0xfff00000,
> >> +     .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
> >> +     .boot_params    = S5P_PA_SDRAM + 0x100,
> >> +     .init_irq       = s5pv310_init_irq,
> >> +     .map_io         = universal_map_io,
> >> +     .init_machine   = universal_machine_init,
> >> +     .timer          = &s5pv310_timer,
> >> +MACHINE_END
> >> --
> >
> >


Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.




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