On Wed, Jul 25, 2012 at 05:01:01PM +0100, Renaud Barbier wrote:
> Minimal support of the Ethernet interface on the P2020RDB board. Only
> the eTSEC3 interface is supported.
>
> Signed-off-by: Renaud Barbier <renaud.barbier@xxxxxx>
> ---
> arch/ppc/boards/freescale-p2020rdb/p2020rdb.c | 38 +++++++++++++++++++++++++
> arch/ppc/configs/p2020rdb_defconfig | 6 ++++
> 2 files changed, 44 insertions(+), 0 deletions(-)
>
> diff --git a/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c b/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
> index 20897cb..201220f 100644
> --- a/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
> +++ b/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
> @@ -35,6 +35,7 @@
> #include <mach/mmu.h>
> #include <mach/immap_85xx.h>
> #include <mach/clocks.h>
> +#include <mach/gianfar.h>
> #include <mach/early_udelay.h>
>
> #define VSC7385_RST_SET 0x00080000
> @@ -61,10 +62,47 @@
> #define SYSCLK_50 50000000
> #define SYSCLK_100 100000000
>
> +/* Ethernet. Use eTSEC3 */
> +static struct gfar_info_struct gfar_info[] = {
> + {
> + .phyaddr = 1,
> + .tbiana = 0,
> + .tbicr = 0,
> + .flags = 0,
> + },
Please use tabs for indention.
> +};
> +
> +static int board_eth_init(int num, int idx)
> +{
> + struct resource *res;
> +
> + res = xzalloc(3 * sizeof(struct resource));
> + /* TSEC interface registers */
> + res[0].start = GFAR_BASE_ADDR + ((num - 1) * 0x1000);
> + res[0].end = res[0].start + 0x1000;
> + res[0].flags = IORESOURCE_MEM;
> + /* External PHY access always through eTSEC1 */
> + res[1].start = MDIO_BASE_ADDR;
> + res[1].end = res[1].start + 0x1000;
> + res[1].flags = IORESOURCE_MEM;
> + /* Access to TBI/RTBI interface. */
> + res[2].start = MDIO_BASE_ADDR + ((num - 1) * 0x1000);
> + res[2].end = res[2].start + 0x1000;
> + res[2].flags = IORESOURCE_MEM;
> +
> + add_generic_device_res("gfar", DEVICE_ID_DYNAMIC, res, 3,
> + &gfar_info[idx]);
> +
> + return 0;
> +}
It's probably worth to make this a SoC specific function somewhere. It
could be used by other boards aswell, right?
Sascha
> +
> static int devices_init(void)
> {
> add_cfi_flash_device(-1, CFG_FLASH_BASE, 16 << 20, 0);
>
> + /* eTSEC3 */
> + board_eth_init(3, 0);
> +
> devfs_add_partition("nor0", 0xf80000, 0x80000, DEVFS_PARTITION_FIXED,
> "self0");
> return 0;
> diff --git a/arch/ppc/configs/p2020rdb_defconfig b/arch/ppc/configs/p2020rdb_defconfig
> index f8a0687..d025a40 100644
> --- a/arch/ppc/configs/p2020rdb_defconfig
> +++ b/arch/ppc/configs/p2020rdb_defconfig
> @@ -21,3 +21,9 @@ CONFIG_MALLOC_SIZE=0x200000
> CONFIG_BAUDRATE=115200
> CONFIG_DRIVER_SERIAL_NS16550=y
> CONFIG_RELOCATABLE=y
> +CONFIG_DRIVER_NET_GIANFAR=y
> +CONFIG_NET=y
> +CONFIG_NET_PING=y
> +CONFIG_NET_TFTP=y
> +CONFIG_PING=y
> +CONFIG_TFTP=y
> --
> 1.7.1
>
>
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