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| author | Ajay Bhargav <[ajay.bhargav@einfochips.com]> | 2011-09-13 22:22:13 +0530 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-09-30 22:00:53 +0200 |
| commit | 47e75d72bc1ced0e8fd3e3e231304bfaa3e86540 (patch) | |
| tree | 6ec5e10ce20040563cfe67e675d45ff69ec3a0bd | |
| parent | aa0ecfeb9d60d82e095daa0d6271f77b2c25d3fb (diff) | |
| download | blackbird-obmc-uboot-47e75d72bc1ced0e8fd3e3e231304bfaa3e86540.tar.gz blackbird-obmc-uboot-47e75d72bc1ced0e8fd3e3e231304bfaa3e86540.zip | |
Armada100: Enable 88E3015 PHY support for GplugD
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>
| -rw-r--r-- | board/Marvell/gplugd/gplugd.c | 33 | ||||
| -rw-r--r-- | include/configs/gplugd.h | 14 |
2 files changed, 47 insertions, 0 deletions
diff --git a/board/Marvell/gplugd/gplugd.c b/board/Marvell/gplugd/gplugd.c index 8560b3f109..b4f7f81583 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; } @@ -97,4 +104,30 @@ int board_eth_init(bd_t *bis) return armada100_fec_register(ARMD1_FEC_BASE); } + +#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, &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 3ad2de5adb..5f72163473 100644 --- a/include/configs/gplugd.h +++ b/include/configs/gplugd.h @@ -77,6 +77,20 @@ #define CONFIG_BOOTP_DHCP_REQUEST_DELAY 50000 #endif /* CONFIG_CMD_NET */ +/* 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 |
