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author | Nikita Kiryanov <nikita@compulab.co.il> | 2014-08-20 15:09:02 +0300 |
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committer | Stefano Babic <sbabic@denx.de> | 2014-09-09 15:37:08 +0200 |
commit | 02b1343e4a1430dc9ed750b95ed7cd961f06a456 (patch) | |
tree | 659e18ea3f11aa29b65c0ca26069526f7c37158e /board/compulab/cm_fx6/cm_fx6.c | |
parent | a6b0652bb5040351eeb1a2580270bd3988cb0a59 (diff) | |
download | u-boot-imx-02b1343e4a1430dc9ed750b95ed7cd961f06a456.zip u-boot-imx-02b1343e4a1430dc9ed750b95ed7cd961f06a456.tar.gz u-boot-imx-02b1343e4a1430dc9ed750b95ed7cd961f06a456.tar.bz2 |
arm: mx6: cm_fx6: add ethernet support
Add ethernet support for Compulab CM-FX6 CoM
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Diffstat (limited to 'board/compulab/cm_fx6/cm_fx6.c')
-rw-r--r-- | board/compulab/cm_fx6/cm_fx6.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/board/compulab/cm_fx6/cm_fx6.c b/board/compulab/cm_fx6/cm_fx6.c index 17c3ee5..681b1ee 100644 --- a/board/compulab/cm_fx6/cm_fx6.c +++ b/board/compulab/cm_fx6/cm_fx6.c @@ -10,13 +10,100 @@ #include <common.h> #include <fsl_esdhc.h> +#include <miiphy.h> +#include <netdev.h> +#include <fdt_support.h> #include <asm/arch/crm_regs.h> #include <asm/arch/sys_proto.h> #include <asm/io.h> +#include <asm/gpio.h> #include "common.h" DECLARE_GLOBAL_DATA_PTR; +#ifdef CONFIG_FEC_MXC +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +static int mx6_rgmii_rework(struct phy_device *phydev) +{ + unsigned short val; + + /* Ar8031 phy SmartEEE feature cause link status generates glitch, + * which cause ethernet link down/up issue, so disable SmartEEE + */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x3); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= ~(0x1 << 8); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); + + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= 0xffe3; + val |= 0x18; + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* introduce tx clock delay */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); + val |= 0x0100; + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + mx6_rgmii_rework(phydev); + + if (phydev->drv->config) + return phydev->drv->config(phydev); + + return 0; +} + +static iomux_v3_cfg_t const enet_pads[] = { + IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_GPIO_0__CCM_CLKO1 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_GPIO_3__CCM_CLKO2 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(0x84)), + IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | + MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL)), +}; + +int board_eth_init(bd_t *bis) +{ + SETUP_IOMUX_PADS(enet_pads); + /* phy reset */ + gpio_direction_output(CM_FX6_ENET_NRST, 0); + udelay(500); + gpio_set_value(CM_FX6_ENET_NRST, 1); + enable_enet_clk(1); + return cpu_eth_init(bis); +} +#endif + #ifdef CONFIG_NAND_MXS static iomux_v3_cfg_t const nand_pads[] = { IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)), @@ -79,6 +166,19 @@ int board_mmc_init(bd_t *bis) } #endif +#ifdef CONFIG_OF_BOARD_SETUP +void ft_board_setup(void *blob, bd_t *bd) +{ + uint8_t enetaddr[6]; + + /* MAC addr */ + if (eth_getenv_enetaddr("ethaddr", enetaddr)) { + fdt_find_and_setprop(blob, "/fec", "local-mac-address", + enetaddr, 6, 1); + } +} +#endif + int board_init(void) { gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; |