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@einfochips.com --- Changes for v2: - Not changed Changes for v3: - code cleanup; removed unwated cast Changes for v4: - 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 db4d776..a7cabcd 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(ARMD1_FEC_BASE); } -#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)) { + 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); + debug("88E3015 Initialized on %s\n", name); +} +#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