diff options
| -rw-r--r-- | board/udoo/neo/neo.c | 95 | ||||
| -rw-r--r-- | configs/udoo_neo_defconfig | 2 | ||||
| -rw-r--r-- | include/configs/udoo_neo.h | 17 |
3 files changed, 112 insertions, 2 deletions
diff --git a/board/udoo/neo/neo.c b/board/udoo/neo/neo.c index ad7452cd91..688b522ce3 100644 --- a/board/udoo/neo/neo.c +++ b/board/udoo/neo/neo.c @@ -10,6 +10,7 @@ */ #include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> #include <asm/arch/imx-regs.h> #include <asm/arch/iomux.h> #include <asm/arch/mx6-pins.h> @@ -25,8 +26,11 @@ #include <linux/sizes.h> #include <common.h> #include <i2c.h> +#include <miiphy.h> +#include <netdev.h> #include <power/pmic.h> #include <power/pfuze3000_pmic.h> +#include <malloc.h> DECLARE_GLOBAL_DATA_PTR; @@ -50,6 +54,16 @@ enum { 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_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) + +#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_SPEED_MED | PAD_CTL_SRE_FAST) + #define WDOG_PAD_CTRL (PAD_CTL_PUE | PAD_CTL_PKE | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm) @@ -213,6 +227,27 @@ static iomux_v3_cfg_t const usdhc2_pads[] = { MX6_PAD_SD1_CMD__GPIO6_IO_1 | MUX_PAD_CTRL(NO_PAD_CTRL), }; +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_RXC__ENET1_RX_ER | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_ENET2_TX_CLK__GPIO2_IO_9 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_ENET1_CRS__GPIO2_IO_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static iomux_v3_cfg_t const phy_control_pads[] = { + /* 25MHz Ethernet PHY Clock */ + MX6_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M | + MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), +}; + static iomux_v3_cfg_t const board_recognition_pads[] = { /*Connected to R184*/ MX6_PAD_NAND_READY_B__GPIO4_IO_13 | BOARD_DETECT_PAD_CFG, @@ -233,6 +268,66 @@ static void setup_iomux_uart(void) imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } +static int setup_fec(int fec_id) +{ + struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; + int reg; + + imx_iomux_v3_setup_multiple_pads(phy_control_pads, + ARRAY_SIZE(phy_control_pads)); + + /* Reset PHY */ + gpio_direction_output(IMX_GPIO_NR(2, 1) , 0); + udelay(10000); + gpio_set_value(IMX_GPIO_NR(2, 1), 1); + udelay(100); + + reg = readl(&anatop->pll_enet); + reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE; + writel(reg, &anatop->pll_enet); + + return enable_fec_anatop_clock(fec_id, ENET_25MHZ); +} + +int board_eth_init(bd_t *bis) +{ + uint32_t base = IMX_FEC_BASE; + struct mii_dev *bus = NULL; + struct phy_device *phydev = NULL; + int ret; + + imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); + + setup_fec(CONFIG_FEC_ENET_DEV); + + bus = fec_get_miibus(base, CONFIG_FEC_ENET_DEV); + if (!bus) + return -EINVAL; + + phydev = phy_find_by_mask(bus, (0x1 << CONFIG_FEC_MXC_PHYADDR), + PHY_INTERFACE_MODE_RMII); + if (!phydev) { + free(bus); + return -EINVAL; + } + + ret = fec_probe(bis, CONFIG_FEC_ENET_DEV, base, bus, phydev); + if (ret) { + free(bus); + free(phydev); + return ret; + } + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + int board_init(void) { /* Address of boot parameters */ diff --git a/configs/udoo_neo_defconfig b/configs/udoo_neo_defconfig index f88820c232..5df4ef942c 100644 --- a/configs/udoo_neo_defconfig +++ b/configs/udoo_neo_defconfig @@ -19,7 +19,7 @@ CONFIG_CMD_BOOTZ=y CONFIG_CMD_MMC=y CONFIG_CMD_GPIO=y # CONFIG_CMD_SETEXPR is not set -# CONFIG_CMD_DHCP=y +CONFIG_CMD_DHCP=y CONFIG_CMD_CACHE=y CONFIG_CMD_TIME=y CONFIG_CMD_EXT2=y diff --git a/include/configs/udoo_neo.h b/include/configs/udoo_neo.h index 0c59068231..aec39db6c1 100644 --- a/include/configs/udoo_neo.h +++ b/include/configs/udoo_neo.h @@ -58,7 +58,8 @@ BOOTENV #define BOOT_TARGET_DEVICES(func) \ - func(MMC, mmc, 0) + func(MMC, mmc, 0) \ + func(DHCP, dhcp, na) #define CONFIG_BOOTCOMMAND \ "run findfdt; " \ @@ -103,4 +104,18 @@ #define CONFIG_POWER_PFUZE3000_I2C_ADDR 0x08 #define PFUZE3000_I2C_BUS 0 +/* Network */ +#define CONFIG_FEC_MXC +#define CONFIG_MII + +#define CONFIG_FEC_ENET_DEV 0 +#define IMX_FEC_BASE ENET_BASE_ADDR +#define CONFIG_FEC_MXC_PHYADDR 0x0 + +#define CONFIG_FEC_XCV_TYPE RMII +#define CONFIG_ETHPRIME "FEC0" + +#define CONFIG_PHYLIB +#define CONFIG_PHY_MICREL + #endif /* __CONFIG_H */ |