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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>
utp
Peng Fan 2015-08-12 17:46:52 +08:00 committed by Stefano Babic
parent 42c91c10c5
commit 0d4cdb5609
3 changed files with 135 additions and 1 deletions
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110
board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
View File

@ -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

5
configs/mx6ul_14x14_evk_defconfig
View File

@ -1,5 +1,8 @@
CONFIG_ARM=y
CONFIG_ARCH_MX6=y
CONFIG_TARGET_MX6UL_14X14_EVK=y
CONFIG_CMD_NET=y
CONFIG_CMD_PING=y
CONFIG_CMD_DHCP=y
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6UL"
CONFIG_TARGET_MX6UL_14X14_EVK=y

21
include/configs/mx6ul_14x14_evk.h
View File

@ -220,6 +220,27 @@
#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
#endif
#ifdef CONFIG_CMD_NET
#define CONFIG_FEC_MXC
#define CONFIG_MII
#define CONFIG_FEC_ENET_DEV 1
#if (CONFIG_FEC_ENET_DEV == 0)
#define IMX_FEC_BASE ENET_BASE_ADDR
#define CONFIG_FEC_MXC_PHYADDR 0x2
#define CONFIG_FEC_XCV_TYPE RMII
#elif (CONFIG_FEC_ENET_DEV == 1)
#define IMX_FEC_BASE ENET2_BASE_ADDR
#define CONFIG_FEC_MXC_PHYADDR 0x1
#define CONFIG_FEC_XCV_TYPE RMII
#endif
#define CONFIG_ETHPRIME "FEC"
#define CONFIG_PHYLIB
#define CONFIG_PHY_MICREL
#define CONFIG_FEC_DMA_MINALIGN 64
#endif
#define CONFIG_IMX6_THERMAL
#endif