*/
#include <common.h>
+#include <dm.h>
#include <fsl_esdhc.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <fdt_support.h>
+#include <sata.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/iomux.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/sata.h>
#include <asm/io.h>
+#include <asm/gpio.h>
+#include <dm/platform_data/serial_mxc.h>
#include "common.h"
+#include "../common/eeprom.h"
DECLARE_GLOBAL_DATA_PTR;
+#ifdef CONFIG_DWC_AHSATA
+static int cm_fx6_issd_gpios[] = {
+ /* The order of the GPIOs in the array is important! */
+ CM_FX6_SATA_LDO_EN,
+ CM_FX6_SATA_PHY_SLP,
+ CM_FX6_SATA_NRSTDLY,
+ CM_FX6_SATA_PWREN,
+ CM_FX6_SATA_NSTANDBY1,
+ CM_FX6_SATA_NSTANDBY2,
+};
+
+static void cm_fx6_sata_power(int on)
+{
+ int i;
+
+ if (!on) { /* tell the iSSD that the power will be removed */
+ gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1);
+ mdelay(10);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
+ gpio_direction_output(cm_fx6_issd_gpios[i], on);
+ udelay(100);
+ }
+
+ if (!on) /* for compatibility lower the power loss interrupt */
+ gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
+}
+
+static iomux_v3_cfg_t const sata_pads[] = {
+ /* SATA PWR */
+ IOMUX_PADS(PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ /* SATA CTRL */
+ IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static int cm_fx6_setup_issd(void)
+{
+ int ret, i;
+
+ SETUP_IOMUX_PADS(sata_pads);
+
+ for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
+ ret = gpio_request(cm_fx6_issd_gpios[i], "sata");
+ if (ret)
+ return ret;
+ }
+
+ ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int");
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+#define CM_FX6_SATA_INIT_RETRIES 10
+int sata_initialize(void)
+{
+ int err, i;
+
+ /* Make sure this gpio has logical 0 value */
+ gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
+ udelay(100);
+
+ cm_fx6_sata_power(0);
+ mdelay(250);
+ cm_fx6_sata_power(1);
+
+ for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) {
+ err = setup_sata();
+ if (err) {
+ printf("SATA setup failed: %d\n", err);
+ return err;
+ }
+
+ udelay(100);
+
+ err = __sata_initialize();
+ if (!err)
+ break;
+
+ /* There is no device on the SATA port */
+ if (sata_port_status(0, 0) == 0)
+ break;
+
+ /* There's a device, but link not established. Retry */
+ }
+
+ return err;
+}
+#else
+static int cm_fx6_setup_issd(void) { return 0; }
+#endif
+
+#ifdef CONFIG_SYS_I2C_MXC
+#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
+ PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
+I2C_PADS(i2c0_pads,
+ PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ PAD_EIM_D21__GPIO3_IO21 | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ IMX_GPIO_NR(3, 21),
+ PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ IMX_GPIO_NR(3, 28));
+
+I2C_PADS(i2c1_pads,
+ PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ IMX_GPIO_NR(4, 12),
+ PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ IMX_GPIO_NR(4, 13));
+
+I2C_PADS(i2c2_pads,
+ PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ IMX_GPIO_NR(1, 3),
+ PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(I2C_PAD_CTRL),
+ IMX_GPIO_NR(1, 6));
+
+
+static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads)
+{
+ int ret;
+
+ ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads);
+ if (ret)
+ printf("Warning: I2C%d setup failed: %d\n", busnum, ret);
+
+ return ret;
+}
+
+static int cm_fx6_setup_i2c(void)
+{
+ int ret = 0, err;
+
+ /* i2c<x>_pads are wierd macro variables; we can't use an array */
+ err = cm_fx6_setup_one_i2c(0, I2C_PADS_INFO(i2c0_pads));
+ if (err)
+ ret = err;
+ err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads));
+ if (err)
+ ret = err;
+ err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads));
+ if (err)
+ ret = err;
+
+ return ret;
+}
+#else
+static int cm_fx6_setup_i2c(void) { return 0; }
+#endif
+
+#ifdef CONFIG_USB_EHCI_MX6
+#define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
+ PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
+#define MX6_USBNC_BASEADDR 0x2184800
+#define USBNC_USB_H1_PWR_POL (1 << 9)
+
+static int cm_fx6_setup_usb_host(void)
+{
+ int err;
+
+ err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst");
+ if (err)
+ return err;
+
+ SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL));
+ SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL));
+
+ return 0;
+}
+
+static int cm_fx6_setup_usb_otg(void)
+{
+ int err;
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr");
+ if (err) {
+ printf("USB OTG pwr gpio request failed: %d\n", err);
+ return err;
+ }
+
+ SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL));
+ SETUP_IOMUX_PAD(PAD_ENET_RX_ER__USB_OTG_ID |
+ MUX_PAD_CTRL(WEAK_PULLDOWN));
+ clrbits_le32(&iomux->gpr[1], IOMUXC_GPR1_OTG_ID_MASK);
+ /* disable ext. charger detect, or it'll affect signal quality at dp. */
+ return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0);
+}
+
+int board_ehci_hcd_init(int port)
+{
+ int ret;
+ u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4);
+
+ /* Only 1 host controller in use. port 0 is OTG & needs no attention */
+ if (port != 1)
+ return 0;
+
+ /* Set PWR polarity to match power switch's enable polarity */
+ setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL);
+ ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 0);
+ if (ret)
+ return ret;
+
+ udelay(10);
+ ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1);
+ if (ret)
+ return ret;
+
+ mdelay(1);
+
+ return 0;
+}
+
+int board_ehci_power(int port, int on)
+{
+ if (port == 0)
+ return gpio_direction_output(SB_FX6_USB_OTG_PWR, on);
+
+ return 0;
+}
+#else
+static int cm_fx6_setup_usb_otg(void) { return 0; }
+static int cm_fx6_setup_usb_host(void) { return 0; }
+#endif
+
+#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)),
+};
+
+static int handle_mac_address(void)
+{
+ unsigned char enetaddr[6];
+ int rc;
+
+ rc = eth_getenv_enetaddr("ethaddr", enetaddr);
+ if (rc)
+ return 0;
+
+ rc = cl_eeprom_read_mac_addr(enetaddr);
+ if (rc)
+ return rc;
+
+ if (!is_valid_ether_addr(enetaddr))
+ return -1;
+
+ return eth_setenv_enetaddr("ethaddr", enetaddr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ int err;
+
+ err = handle_mac_address();
+ if (err)
+ puts("No MAC address found\n");
+
+ SETUP_IOMUX_PADS(enet_pads);
+ /* phy reset */
+ err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst");
+ if (err)
+ printf("Etnernet NRST gpio request failed: %d\n", err);
+ 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)),
}
#endif
+#ifdef CONFIG_MXC_SPI
+int cm_fx6_setup_ecspi(void)
+{
+ cm_fx6_set_ecspi_iomux();
+ return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0");
+}
+#else
+int cm_fx6_setup_ecspi(void) { return 0; }
+#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)
{
+ int ret;
+
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
cm_fx6_setup_gpmi_nand();
+ ret = cm_fx6_setup_ecspi();
+ if (ret)
+ printf("Warning: ECSPI setup failed: %d\n", ret);
+
+ ret = cm_fx6_setup_usb_otg();
+ if (ret)
+ printf("Warning: USB OTG setup failed: %d\n", ret);
+
+ ret = cm_fx6_setup_usb_host();
+ if (ret)
+ printf("Warning: USB host setup failed: %d\n", ret);
+
+ /*
+ * cm-fx6 may have iSSD not assembled and in this case it has
+ * bypasses for a (m)SATA socket on the baseboard. The socketed
+ * device is not controlled by those GPIOs. So just print a warning
+ * if the setup fails.
+ */
+ ret = cm_fx6_setup_issd();
+ if (ret)
+ printf("Warning: iSSD setup failed: %d\n", ret);
+
+ /* Warn on failure but do not abort boot */
+ ret = cm_fx6_setup_i2c();
+ if (ret)
+ printf("Warning: I2C setup failed: %d\n", ret);
+
return 0;
}
return 0;
}
+
+u32 get_board_rev(void)
+{
+ return cl_eeprom_get_board_rev();
+}
+
+static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = {
+ .reg = (struct mxc_uart *)UART4_BASE,
+};
+
+U_BOOT_DEVICE(cm_fx6_serial) = {
+ .name = "serial_mxc",
+ .platdata = &cm_fx6_mxc_serial_plat,
+};
projects / u-boot / blobdiff