diff options
author | Peng Fan <Peng.Fan@freescale.com> | 2015-08-12 17:46:52 +0800 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2015-09-02 15:34:11 +0200 |
commit | 0d4cdb5609a94adae963f1d3178ccfb795b520dd (patch) | |
tree | 439b484a3205a9c7dc5f5cd0bbd78d024dc91c34 /board | |
parent | 42c91c10c52a3f3512ad5c5e906bc118349bbff5 (diff) |
imx: mx6ul_14x14_evk add ENET support
Add enet support for mx6ul_14x14_evk board:
1. add pinmux settings
2. implement board_eth_init
3. implement board_phy_config
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'board')
-rw-r--r-- | board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c index 8f712cb058..d9af220b64 100644 --- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c @@ -19,8 +19,10 @@ #include <common.h> #include <fsl_esdhc.h> #include <i2c.h> +#include <miiphy.h> #include <linux/sizes.h> #include <mmc.h> +#include <netdev.h> #include <usb.h> #include <usb/ehci-fsl.h> @@ -43,6 +45,18 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_ODE) +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) + +#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE) + +#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) + #define IOX_SDI IMX_GPIO_NR(5, 10) #define IOX_STCP IMX_GPIO_NR(5, 7) #define IOX_SHCP IMX_GPIO_NR(5, 11) @@ -457,6 +471,98 @@ int board_ehci_hcd_init(int port) } #endif +#ifdef CONFIG_FEC_MXC +/* + * pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only + * be used for ENET1 or ENET2, cannot be used for both. + */ +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), + MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static iomux_v3_cfg_t const fec2_pads[] = { + MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), + MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + + MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + + MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static void setup_iomux_fec(int fec_id) +{ + if (fec_id == 0) + imx_iomux_v3_setup_multiple_pads(fec1_pads, + ARRAY_SIZE(fec1_pads)); + else + imx_iomux_v3_setup_multiple_pads(fec2_pads, + ARRAY_SIZE(fec2_pads)); +} + +int board_eth_init(bd_t *bis) +{ + setup_iomux_fec(CONFIG_FEC_ENET_DEV); + + return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV, + CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); +} + +static int setup_fec(int fec_id) +{ + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + + if (fec_id == 0) { + /* + * Use 50M anatop loopback REF_CLK1 for ENET1, + * clear gpr1[13], set gpr1[17]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, + IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK); + } else { + /* + * Use 50M anatop loopback REF_CLK2 for ENET2, + * clear gpr1[14], set gpr1[18]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, + IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK); + } + + ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ); + if (ret) + return ret; + + enable_enet_clk(1); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} +#endif + int board_early_init_f(void) { setup_iomux_uart(); @@ -477,6 +583,10 @@ int board_init(void) setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); #endif +#ifdef CONFIG_FEC_MXC + setup_fec(CONFIG_FEC_ENET_DEV); +#endif + #ifdef CONFIG_USB_EHCI_MX6 setup_usb(); #endif |