Dear Naveen Krishna CH,
On 26 February 2010 20:47, <ch.nav...@samsung.com> wrote:
> From: Naveen Krishna CH <ch.nav...@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.nav...@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
>
> Changes since v5:
> 1. Compile time warning are fixed.
>
> board/samsung/smdkc100/smdkc100.c | 40
> +++++++++++++++++++++++++++++++++++++
> include/configs/smdkc100.h | 12 ++++++++++-
> 2 files changed, 51 insertions(+), 1 deletions(-)
>
> diff --git a/board/samsung/smdkc100/smdkc100.c
> b/board/samsung/smdkc100/smdkc100.c
> index 15a1a27..76bd4cc 100644
> --- a/board/samsung/smdkc100/smdkc100.c
> +++ b/board/samsung/smdkc100/smdkc100.c
> @@ -23,10 +23,41 @@
> */
>
> #include <common.h>
> +#include <asm/io.h>
> +#include <asm/arch/smc.h>
> +#include <asm/arch/gpio.h>
> +#include <netdev.h>
> +
> DECLARE_GLOBAL_DATA_PTR;
>
> +/*
> + * Miscellaneous platform dependent initialisations
> + */
> +static void smc9115_pre_init(void)
> +{
> + u32 tmp;
Why didn't delete this variable?
> + 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);
> +}
> +
Thanks
Minkyu Kang
--
from. prom.
www.promsoft.net
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