diff options
| -rw-r--r-- | arch/arm/include/asm/arch-mx5/iomux-mx51.h | 11 | ||||
| -rw-r--r-- | board/technologic/ts4800/ts4800.c | 103 | ||||
| -rw-r--r-- | include/configs/ts4800.h | 16 |
3 files changed, 130 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx5/iomux-mx51.h b/arch/arm/include/asm/arch-mx5/iomux-mx51.h index 70aaa37f9d..b7b169505f 100644 --- a/arch/arm/include/asm/arch-mx5/iomux-mx51.h +++ b/arch/arm/include/asm/arch-mx5/iomux-mx51.h @@ -184,8 +184,19 @@ enum { MX51_PAD_DISPB2_SER_DIO__GPIO3_6 = IOMUX_PAD(0x6c0, 0x2c0, 4, 0x98c, 1, MX51_GPIO_PAD_CTRL), MX51_PAD_DI1_PIN3__DI1_PIN3 = IOMUX_PAD(0x72c, 0x32c, 0, __NA_, 0, NO_PAD_CTRL), MX51_PAD_DI1_PIN2__DI1_PIN2 = IOMUX_PAD(0x734, 0x330, 0, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_DI2_PIN2__FEC_MDC = IOMUX_PAD(0x74C, 0x344, 2, __NA_, 0, MX51_PAD_CTRL_5), MX51_PAD_DI2_DISP_CLK__DI2_DISP_CLK = IOMUX_PAD(0x754, 0x34c, 0, __NA_, 0, NO_PAD_CTRL), MX51_PAD_DI_GP4__DI2_PIN15 = IOMUX_PAD(0x758, 0x350, 4, __NA_, 0, NO_PAD_CTRL), + MX51_PAD_DISP2_DAT6__FEC_TDAT1 = IOMUX_PAD(0x774, 0x36C, 2, __NA_, 0, MX51_PAD_CTRL_5), + MX51_PAD_DISP2_DAT7__FEC_TDAT2 = IOMUX_PAD(0x778, 0x370, 2, __NA_, 0, MX51_PAD_CTRL_5), + MX51_PAD_DISP2_DAT8__FEC_TDAT3 = IOMUX_PAD(0x77C, 0x374, 2, __NA_, 0, MX51_PAD_CTRL_5), + MX51_PAD_DISP2_DAT9__FEC_TX_EN = IOMUX_PAD(0x780, 0x378, 2, __NA_, 0, MX51_PAD_CTRL_5), + MX51_PAD_DISP2_DAT10__FEC_COL = IOMUX_PAD(0x784, 0x37C, 2, 0x94c, 0x1, MX51_PAD_CTRL_2), + MX51_PAD_DISP2_DAT11__FEC_RXCLK = IOMUX_PAD(0x788, 0x380, 2, 0x968, 0x1, MX51_PAD_CTRL_2), + MX51_PAD_DISP2_DAT12__FEC_RX_DV = IOMUX_PAD(0x78C, 0x384, 2, 0x96c, 0x1, MX51_PAD_CTRL_4), + MX51_PAD_DISP2_DAT13__FEC_TX_CLK = IOMUX_PAD(0x790, 0x388, 2, 0x974, 0x1, MX51_PAD_CTRL_4), + MX51_PAD_DISP2_DAT14__FEC_RDAT0 = IOMUX_PAD(0x794, 0x38C, 2, 0x958, 0x1, MX51_PAD_CTRL_4), + MX51_PAD_DISP2_DAT15__FEC_TDAT0 = IOMUX_PAD(0x798, 0x390, 2, 0x0, 0, MX51_PAD_CTRL_5), MX51_PAD_SD1_CMD__SD1_CMD = IOMUX_PAD(0x79c, 0x394, 0x10, __NA_, 0, MX51_SDHCI_PAD_CTRL), MX51_PAD_SD1_CLK__SD1_CLK = IOMUX_PAD(0x7a0, 0x398, 0x10, __NA_, 0, MX51_SDHCI_PAD_CTRL | PAD_CTL_HYS), MX51_PAD_SD1_DATA0__SD1_DATA0 = IOMUX_PAD(0x7a4, 0x39c, 0x10, __NA_, 0, MX51_SDHCI_PAD_CTRL), diff --git a/board/technologic/ts4800/ts4800.c b/board/technologic/ts4800/ts4800.c index 0a8d43e4e9..6ef15e10bf 100644 --- a/board/technologic/ts4800/ts4800.c +++ b/board/technologic/ts4800/ts4800.c @@ -21,6 +21,9 @@ #include <fsl_esdhc.h> #include <mc13892.h> +#include <malloc.h> +#include <netdev.h> +#include <phy.h> #include "ts4800.h" DECLARE_GLOBAL_DATA_PTR; @@ -62,6 +65,36 @@ static void setup_iomux_uart(void) imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads)); } +static void setup_iomux_fec(void) +{ + static const iomux_v3_cfg_t fec_pads[] = { + NEW_PAD_CTRL(MX51_PAD_EIM_EB2__FEC_MDIO, + PAD_CTL_HYS | + PAD_CTL_PUS_22K_UP | + PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST), + MX51_PAD_EIM_EB3__FEC_RDATA1, + NEW_PAD_CTRL(MX51_PAD_EIM_CS2__FEC_RDATA2, PAD_CTL_HYS), + MX51_PAD_EIM_CS3__FEC_RDATA3, + MX51_PAD_NANDF_CS2__FEC_TX_ER, + MX51_PAD_EIM_CS5__FEC_CRS, + MX51_PAD_EIM_CS4__FEC_RX_ER, + /* PAD used on TS4800 */ + MX51_PAD_DI2_PIN2__FEC_MDC, + MX51_PAD_DISP2_DAT14__FEC_RDAT0, + MX51_PAD_DISP2_DAT10__FEC_COL, + MX51_PAD_DISP2_DAT11__FEC_RXCLK, + MX51_PAD_DISP2_DAT15__FEC_TDAT0, + MX51_PAD_DISP2_DAT6__FEC_TDAT1, + MX51_PAD_DISP2_DAT7__FEC_TDAT2, + MX51_PAD_DISP2_DAT8__FEC_TDAT3, + MX51_PAD_DISP2_DAT9__FEC_TX_EN, + MX51_PAD_DISP2_DAT13__FEC_TX_CLK, + MX51_PAD_DISP2_DAT12__FEC_RX_DV, + }; + + imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads)); +} + #ifdef CONFIG_FSL_ESDHC int board_mmc_getcd(struct mmc *mmc) { @@ -113,6 +146,7 @@ int board_mmc_init(bd_t *bis) int board_early_init_f(void) { setup_iomux_uart(); + setup_iomux_fec(); return 0; } @@ -126,6 +160,75 @@ int board_init(void) } /* + * Read the MAC address from FEC's registers PALR PAUR. + * User is supposed to configure these registers when MAC address is known + * from another source (fuse), but on TS4800, MAC address is not fused and + * the bootrom configure these registers on startup. + */ +static int fec_get_mac_from_register(uint32_t base_addr) +{ + unsigned char ethaddr[6]; + u32 reg_mac[2]; + int i; + + reg_mac[0] = in_be32(base_addr + 0xE4); + reg_mac[1] = in_be32(base_addr + 0xE8); + + for(i = 0; i < 6; i++) + ethaddr[i] = (reg_mac[i / 4] >> ((i % 4) * 8)) & 0xFF; + + if (is_valid_ethaddr(ethaddr)) { + eth_setenv_enetaddr("ethaddr", ethaddr); + return 0; + } + + return -1; +} + +#define TS4800_GPIO_FEC_PHY_RES IMX_GPIO_NR(2, 14) +int board_eth_init(bd_t *bd) +{ + int dev_id = -1; + int phy_id = 0xFF; + uint32_t addr = IMX_FEC_BASE; + + uint32_t base_mii; + struct mii_dev *bus = NULL; + struct phy_device *phydev = NULL; + int ret; + + /* reset FEC phy */ + imx_iomux_v3_setup_pad(MX51_PAD_EIM_A20__GPIO2_14); + gpio_direction_output(TS4800_GPIO_FEC_PHY_RES, 0); + mdelay(1); + gpio_set_value(TS4800_GPIO_FEC_PHY_RES, 1); + mdelay(1); + + base_mii = addr; + debug("eth_init: fec_probe(bd, %i, %i) @ %08x\n", dev_id, phy_id, addr); + bus = fec_get_miibus(base_mii, dev_id); + if (!bus) + return -ENOMEM; + + phydev = phy_find_by_mask(bus, phy_id, PHY_INTERFACE_MODE_MII); + if (!phydev) { + free(bus); + return -ENOMEM; + } + + if (fec_get_mac_from_register(addr)) + printf("eth_init: failed to get MAC address\n"); + + ret = fec_probe(bd, dev_id, addr, bus, phydev); + if (ret) { + free(phydev); + free(bus); + } + + return ret; +} + +/* * Do not overwrite the console * Use always serial for U-Boot console */ diff --git a/include/configs/ts4800.h b/include/configs/ts4800.h index d3722fa073..21f1555eb7 100644 --- a/include/configs/ts4800.h +++ b/include/configs/ts4800.h @@ -73,6 +73,22 @@ #define CONFIG_CMD_FAT #define CONFIG_DOS_PARTITION +/* + * Eth Configs + */ +#define CONFIG_MII +#define CONFIG_PHYLIB +#define CONFIG_PHY_SMSC + +#define CONFIG_FEC_MXC +#define IMX_FEC_BASE FEC_BASE_ADDR +#define CONFIG_ETHPRIME "FEC" +#define CONFIG_FEC_MXC_PHYADDR 0 + +#define CONFIG_CMD_PING +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_MII + /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE /* disable vendor parameters protection (serial#, ethaddr) */ #define CONFIG_CONS_INDEX 1 /* use UART0 : used by serial driver */ |
