[U-Boot] [PATCH 3/3 v5] SAMSUNG: SMDKC100: Adds ethernet support.

[Naveen Krishna Ch]

HI Kang,

On 26 February 2010 08:12, Minkyu Kang <promsoft at gmail.com> wrote:

> Dear Naveen Krishna CH,
>
> On 25 February 2010 21:28,  <ch.naveen at samsung.com> wrote:
> > From: Naveen Krishna CH <ch.naveen at samsung.com>
> >
> > Add setup for ethernet on SMDKC100, allowing kernel/ramdisk to be
> > loaded over tftp.
> >
> > The preinit function will configure GPIO (GPK0CON) & SROMC to look
> > for environment in SROM Bank 3.
> >
> > Signed-off-by: Naveen Krishna Ch <ch.naveen at samsung.com>
> > ---
> > Changes since V1:
> >
> > 1. The CONFIG_BOOTP* and Net config Macros are removed from config
> header.
> > Comments from Ben Warren are fixed
> > 2. The GPIO configuration is modified & Macro and Function are renamed.
> > Comments from Minkyu Kang are fixedChanges since V2
> >
> > Changes since V2:
> > 1. GPIO configurations function has been implemented.
> >
> > Changes since V3:
> > 1. Comments from Minkyu Kang are fixed.
> >
> > Changes since V4:
> > None
> >
> >  board/samsung/smdkc100/smdkc100.c |   39
> +++++++++++++++++++++++++++++++++++++
> >  include/configs/smdkc100.h        |   12 ++++++++++-
> >  2 files changed, 50 insertions(+), 1 deletions(-)
>
> Patch have compiler warnings.
>
> smdkc100.c: In function 'smc9115_pre_init':
> smdkc100.c:37: warning: unused variable 'tmp'
> smdkc100.c: In function 'board_eth_init':
> smdkc100.c:87: warning: implicit declaration of function
> 'smc911x_initialize'
>
> please fix it.
>
I fixed the warning,
I wil wait till the end of the day and send the v6 patch set.

>
> >
> > diff --git a/board/samsung/smdkc100/smdkc100.c
> b/board/samsung/smdkc100/smdkc100.c
> > index 15a1a27..4fc802e 100644
> > --- a/board/samsung/smdkc100/smdkc100.c
> > +++ b/board/samsung/smdkc100/smdkc100.c
> > @@ -23,10 +23,40 @@
> >  */
> >
> >  #include <common.h>
> > +#include <asm/io.h>
> > +#include <asm/arch/smc.h>
> > +#include <asm/arch/gpio.h>
> > +
> >  DECLARE_GLOBAL_DATA_PTR;
> >
> > +/*
> > + * Miscellaneous platform dependent initialisations
> > + */
> > +static void smc9115_pre_init(void)
> > +{
> > +       u32 tmp;
> remove it.
> > +       u32 smc_bw_conf, smc_bc_conf;
> > +
> > +       struct s5pc100_gpio *const gpio =
> > +               (struct s5pc100_gpio *)S5PC100_GPIO_BASE;
> > +
> > +       /* gpio configuration GPK0CON */
> > +       gpio_cfg_pin(&gpio->gpio_k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
> > +
> > +       /* Ethernet needs bus width of 16 bits */
> > +       smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
> > +       smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) |
> SMC_BC_TACC(0xe)
> > +                       | SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
> > +                       | SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
> > +
> > +       /* Select and configure the SROMC bank */
> > +       s5pc1xx_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf,
> smc_bc_conf);
> > +}
> > +
> >  int board_init(void)
> >  {
> > +       smc9115_pre_init();
> > +
> >        gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
> >        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
> >
> > @@ -49,3 +79,12 @@ int checkboard(void)
> >        return 0;
> >  }
> >  #endif
> > +
> > +int board_eth_init(bd_t *bis)
> > +{
> > +       int rc = 0;
> > +#ifdef CONFIG_SMC911X
> > +       rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
> need netdev.h
>
Thanks for ur comments and help.

> > +#endif
> > +       return rc;
> > +}
> > diff --git a/include/configs/smdkc100.h b/include/configs/smdkc100.h
> > index f12fea3..c8abad6 100644
> > --- a/include/configs/smdkc100.h
> > +++ b/include/configs/smdkc100.h
> > @@ -83,7 +83,6 @@
> >  #undef CONFIG_CMD_FLASH
> >  #undef CONFIG_CMD_IMLS
> >  #undef CONFIG_CMD_NAND
> > -#undef CONFIG_CMD_NET
> >
> >  #define CONFIG_CMD_CACHE
> >  #define CONFIG_CMD_REGINFO
> > @@ -235,4 +234,15 @@
> >
> >  #define CONFIG_DOS_PARTITION           1
> >
> > +/*
> > + * Ethernet Contoller driver
> > + */
> > +#ifdef CONFIG_CMD_NET
> > +#define CONFIG_NET_MULTI
> > +#define CONFIG_SMC911X         1       /* we have a SMC9115 on-board
> */
> > +#define CONFIG_SMC911X_16_BIT  1       /* SMC911X_16_BIT Mode
>  */
> > +#define CONFIG_SMC911X_BASE    0x98800300      /* SMC911X Drive Base
> */
> > +#define CONFIG_ENV_SROM_BANK   3       /* Select SROM Bank-3 for
> Ethernet*/
> > +#endif /* CONFIG_CMD_NET */
> > +
> >  #endif /* __CONFIG_H */
> > --
> > 1.6.6
> >
> > _______________________________________________
> > U-Boot mailing list
> > U-Boot at lists.denx.de
> > http://lists.denx.de/mailman/listinfo/u-boot
> >
>
> Thanks
> Minkyu Kang
> --
> from. prom.
> www.promsoft.net
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>



-- 
Shine bright,
(: Naveen Krishna Ch :)