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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/arch/arm/cpu/arm926ejs/davinci/et1011c.c | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/u-boot/arch/arm/cpu/arm926ejs/davinci/et1011c.c')
| -rw-r--r-- | roms/u-boot/arch/arm/cpu/arm926ejs/davinci/et1011c.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/et1011c.c b/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/et1011c.c new file mode 100644 index 00000000..9d53875b --- /dev/null +++ b/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/et1011c.c @@ -0,0 +1,42 @@ +/* + * LSI ET1011C PHY Driver for TI DaVinci(TMS320DM6467) board. + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <net.h> +#include <miiphy.h> +#include <asm/arch/emac_defs.h> +#include "../../../../../drivers/net/davinci_emac.h" + +#ifdef CONFIG_DRIVER_TI_EMAC + +#ifdef CONFIG_CMD_NET + +/* LSI PHYSICAL LAYER TRANSCEIVER ET1011C */ + +#define MII_PHY_CONFIG_REG 22 + +/* PHY Config bits */ +#define PHY_SYS_CLK_EN (1 << 4) + +int et1011c_get_link_speed(int phy_addr) +{ + u_int16_t data; + + if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &data) && (data & 0x04)) { + davinci_eth_phy_read(phy_addr, MII_PHY_CONFIG_REG, &data); + /* Enable 125MHz clock sourced from PHY */ + davinci_eth_phy_write(phy_addr, MII_PHY_CONFIG_REG, + data | PHY_SYS_CLK_EN); + return (1); + } + return (0); +} + +#endif /* CONFIG_CMD_NET */ + +#endif /* CONFIG_DRIVER_ETHER */ |