[U-Boot] [PATCH v2 3/3] Armada100: Enable 88E3015 PHY support for GplugD
Marek Vasut
marek.vasut at gmail.com
Wed Aug 24 18:26:03 CEST 2011
On Wednesday, August 24, 2011 03:07:20 PM Ajay Bhargav wrote:
> This patch adds support for 88E3015 PHY for Marvell GplugD board.
> This patch depends on series of patch which adds support for Marvell
> GuruPlug-Display.
>
> Signed-off-by: Ajay Bhargav <ajay.bhargav at einfochips.com>
> ---
> Changes for v2:
> - Not changed
>
> board/Marvell/gplugd/gplugd.c | 33 ++++++++++++++++++++++++++++++++-
> include/configs/gplugd.h | 14 ++++++++++++++
> 2 files changed, 46 insertions(+), 1 deletions(-)
>
> diff --git a/board/Marvell/gplugd/gplugd.c b/board/Marvell/gplugd/gplugd.c
> index 4cd4086..bf3cdb4 100644
> --- a/board/Marvell/gplugd/gplugd.c
> +++ b/board/Marvell/gplugd/gplugd.c
> @@ -32,6 +32,8 @@
> #include <mvmfp.h>
> #include <asm/arch/mfp.h>
> #include <asm/arch/armada100.h>
> +#include <asm/gpio.h>
> +#include <miiphy.h>
>
> #ifdef CONFIG_ARMADA100_FEC
> #include <net.h>
> @@ -83,6 +85,11 @@ int board_init(void)
> gd->bd->bi_arch_number = MACH_TYPE_SHEEVAD;
> /* adress of boot parameters */
> gd->bd->bi_boot_params = armd1_sdram_base(0) + 0x100;
> + /* Assert PHY_RST# */
> + gpio_direction_output(CONFIG_SYS_GPIO_PHY_RST, GPIO_LOW);
> + udelay(10);
> + /* Deassert PHY_RST# */
> + gpio_set_value(CONFIG_SYS_GPIO_PHY_RST, GPIO_HIGH);
> return 0;
> }
>
> @@ -97,5 +104,29 @@ int board_eth_init(bd_t *bis)
>
> return armada100_fec_register();
> }
> -#endif /* CONFIG_ARMADA100_FEC */
> +#ifdef CONFIG_RESET_PHY_R
> +/* Configure and initialize PHY chip 88E3015 */
> +void reset_phy(void)
> +{
> + u16 phy_adr;
> + const char *name = "armd-fec0";
> +
> + if (miiphy_set_current_dev(name))
> + return;
> +
> + /* command to read PHY dev address */
> + if (miiphy_read(name, 0xff, 0xff, (u16 *) &phy_adr)) {
Do you need the cast there ?
> + printf("Err..%s could not read PHY dev address\n", __func__);
> + return;
> + }
>
> + /* Set Ethernet LED in TX blink mode */
> + miiphy_write(name, phy_adr, PHY_LED_MAN_REG, 0x00);
> + miiphy_write(name, phy_adr, PHY_LED_PAR_SEL_REG, PHY_LED_VAL);
> +
> + /* reset the phy */
> + miiphy_reset(name, phy_adr);
> + printf("88E3015 Initialized on %s\n", name);
Maybe debug() ?
> +}
> +#endif /* CONFIG_RESET_PHY_R */
> +#endif /* CONFIG_ARMADA100_FEC */
> diff --git a/include/configs/gplugd.h b/include/configs/gplugd.h
> index f3b94d8..b63ffd5 100644
> --- a/include/configs/gplugd.h
> +++ b/include/configs/gplugd.h
> @@ -80,6 +80,20 @@
> #define CONFIG_ROOTPATH "/tftpboot"
> #define CONFIG_SYS_IMG_NAME "uImage"
>
> +/* GPIO Support */
> +#define CONFIG_MARVELL_GPIO
> +
> +/* PHY configuration */
> +#define CONFIG_MII
> +#define CONFIG_CMD_MII
> +#define CONFIG_RESET_PHY_R
> +/* 88E3015 register definition */
> +#define PHY_LED_PAR_SEL_REG 22
> +#define PHY_LED_MAN_REG 25
> +#define PHY_LED_VAL 0x5b /* LINK LED1, ACT LED2 */
> +/* GPIO Configuration for PHY */
> +#define CONFIG_SYS_GPIO_PHY_RST 104 /* GPIO104 */
> +
> /*
> * mv-common.h should be defined after CMD configs since it used them
> * to enable certain macros
Cheers
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