[PATCH v2 7/8] ARM: S5PV310: Add Board support file

Kyungmin Park kmpark at infradead.org
Fri Jul 16 06:36:44 EDT 2010


On Fri, Jul 16, 2010 at 5:58 PM, Kukjin Kim <kgene.kim at samsung.com> wrote:
> From: Changhwan Youn <chaos.youn at samsung.com>
>
> This patch adds Samsung SMDKV310 board support file.
>
> Signed-off-by: Changhwan Youn <chaos.youn at samsung.com>
> Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
> ---
>  arch/arm/mach-s5pv310/Makefile        |    4 ++
>  arch/arm/mach-s5pv310/mach-smdkv310.c |   92 +++++++++++++++++++++++++++++++++
>  2 files changed, 96 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/mach-s5pv310/mach-smdkv310.c
>
> diff --git a/arch/arm/mach-s5pv310/Makefile b/arch/arm/mach-s5pv310/Makefile
> index 1b263a5..56e7693 100644
> --- a/arch/arm/mach-s5pv310/Makefile
> +++ b/arch/arm/mach-s5pv310/Makefile
> @@ -18,3 +18,7 @@ obj-$(CONFIG_CPU_S5PV310)     += setup-i2c0.o time.o
>  obj-$(CONFIG_SMP)              += platsmp.o headsmp.o
>  obj-$(CONFIG_LOCAL_TIMERS)     += localtimer.o
>  obj-$(CONFIG_HOTPLUG_CPU)      += hotplug.o
> +
> +# machine support
> +
> +obj-$(CONFIG_MACH_SMDKV310)    += mach-smdkv310.o
> diff --git a/arch/arm/mach-s5pv310/mach-smdkv310.c b/arch/arm/mach-s5pv310/mach-smdkv310.c
> new file mode 100644
> index 0000000..0d6ab77
> --- /dev/null
> +++ b/arch/arm/mach-s5pv310/mach-smdkv310.c
> @@ -0,0 +1,92 @@
> +/* linux/arch/arm/mach-s5pv310/mach-smdkv310.c
> + *
> + * Copyright (c) 2010 Samsung Electronics Co., Ltd.
> + *             http://www.samsung.com/
> + *
> + * 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 SMDKV310_UCON_DEFAULT  (S3C2410_UCON_TXILEVEL |        \
> +                                S3C2410_UCON_RXILEVEL |        \
> +                                S3C2410_UCON_TXIRQMODE |       \
> +                                S3C2410_UCON_RXIRQMODE |       \
> +                                S3C2410_UCON_RXFIFO_TOI |      \
> +                                S3C2443_UCON_RXERR_IRQEN)
> +
> +#define SMDKV310_ULCON_DEFAULT S3C2410_LCON_CS8
> +
> +#define SMDKV310_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE |       \
> +                                S5PV210_UFCON_TXTRIG4 |        \
> +                                S5PV210_UFCON_RXTRIG4)

UART supports the 16 triggers at 2/3. No need to setup the lower value.

> +
> +static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
> +       [0] = {
> +               .hwport         = 0,
> +               .flags          = 0,

Please remove unused flags filed.
Previous time Mr. Shim sent the related patch.

> +               .ucon           = SMDKV310_UCON_DEFAULT,
> +               .ulcon          = SMDKV310_ULCON_DEFAULT,
> +               .ufcon          = SMDKV310_UFCON_DEFAULT,
> +       },
> +       [1] = {
> +               .hwport         = 1,
> +               .flags          = 0,
> +               .ucon           = SMDKV310_UCON_DEFAULT,
> +               .ulcon          = SMDKV310_ULCON_DEFAULT,
> +               .ufcon          = SMDKV310_UFCON_DEFAULT,
> +       },
> +       [2] = {
> +               .hwport         = 2,
> +               .flags          = 0,
> +               .ucon           = SMDKV310_UCON_DEFAULT,
> +               .ulcon          = SMDKV310_ULCON_DEFAULT,
> +               .ufcon          = SMDKV310_UFCON_DEFAULT,
> +       },
> +       [3] = {
> +               .hwport         = 3,
> +               .flags          = 0,
> +               .ucon           = SMDKV310_UCON_DEFAULT,
> +               .ulcon          = SMDKV310_ULCON_DEFAULT,
> +               .ufcon          = SMDKV310_UFCON_DEFAULT,
> +       },
> +};
> +
> +static void __init smdkv310_map_io(void)
> +{
> +       s5p_init_io(NULL, 0, S5P_VA_CHIPID);
> +       s3c24xx_init_clocks(24000000);
> +       s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
> +}
> +
> +static void __init smdkv310_machine_init(void)
> +{
> +#ifdef CONFIG_CACHE_L2X0
> +       l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
> +#endif
> +}
> +
> +MACHINE_START(SMDKV310, "SMDKV310")
> +       /* Maintainer: Kukjin Kim <kgene.kim at samsung.com> */
> +       /* Maintainer: Changhwan Youn <chaos.youn 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         = smdkv310_map_io,
> +       .init_machine   = smdkv310_machine_init,
> +       .timer          = &s5pv310_timer,
> +MACHINE_END
> --
> 1.6.2.5
>
>
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