[U-Boot] [RFC][PATCH 19/21] [eNET] Add support for onboard RTL8100B (RTL8139) chips

[Ben Warren]

HI Graeme,

On 3/25/2010 4:23 AM, Graeme Russ wrote:
> ---
> I simply do not know why PCI_BASE_ADDRESS_1 has to be changed to
> PCI_BASE_ADDRESS_0 - Please comment
>
>   board/eNET/eNET.c           |   12 ++++++++++++
>   drivers/net/rtl8139.c       |    2 +-
>   include/asm-i386/ic/sc520.h |    6 +++---
>   include/configs/eNET.h      |    9 ++++++++-
>   4 files changed, 24 insertions(+), 5 deletions(-)
>
> diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c
> index 52ea140..9d782f3 100644
> --- a/board/eNET/eNET.c
> +++ b/board/eNET/eNET.c
> @@ -24,6 +24,8 @@
>   #include<common.h>
>   #include<asm/io.h>
>   #include<asm/ic/sc520.h>
> +#include<net.h>
> +#include<netdev.h>
>
>   #ifdef CONFIG_HW_WATCHDOG
>   #include<watchdog.h>
> @@ -173,3 +175,13 @@ ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
>   	} else
>   		return 0;
>   }
> +
> +int board_eth_init(bd_t *bis)
> +{
> +	int adapters;
> +	adapters = pci_eth_init(bis);
> +
> +	if (adapters>  0)
> +		eth_init(bis);
>    
I'm not sure why you're calling eth_init() here.  Are you sure that's 
what you want to do?  Keep in mind that board_eth_init() gets called by 
eth_initialize() in the common net code.
> +
> +	return adapters;
> diff --git a/drivers/net/rtl8139.c b/drivers/net/rtl8139.c
> index db8a727..a3df564 100644
> --- a/drivers/net/rtl8139.c
> +++ b/drivers/net/rtl8139.c
> @@ -214,7 +214,7 @@ int rtl8139_initialize(bd_t *bis)
>   		if ((devno = pci_find_devices(supported, idx++))<  0)
>   			break;
>
> -		pci_read_config_dword(devno, PCI_BASE_ADDRESS_1,&iobase);
> +		pci_read_config_dword(devno, PCI_BASE_ADDRESS_0,&iobase);
>    
Are you fixing a bug here?  This seems like a change that would have 
fairly wide-ranging implications beyond your board.
<snip>

regards,
Ben