*/
#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx6-pins.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/io.h>
+#include <asm/imx-common/mxc_i2c.h>
#include <linux/sizes.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <mmc.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+#include "../common/pfuze.h"
+#include <usb.h>
+#include <usb/ehci-fsl.h>
DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ 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 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_HIGH | PAD_CTL_SRE_FAST)
+
+#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
+ PAD_CTL_ODE)
+
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_SIZE;
MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+ MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA0__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA1__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA2__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA3__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+ MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+ /* CD pin */
+ MX6_PAD_KEY_COL0__GPIO2_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+ /* RST_B, used for power reset cycle */
+ MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
static iomux_v3_cfg_t const usdhc4_pads[] = {
MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA7__GPIO6_IO_21 | 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_RD2__ENET1_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+ MX6_PAD_RGMII1_RD3__ENET1_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+ MX6_PAD_RGMII1_RXC__ENET1_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+ MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_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_RGMII1_TD2__ENET1_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII1_TD3__ENET1_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII1_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const peri_3v3_pads[] = {
+ MX6_PAD_QSPI1A_DATA0__GPIO4_IO_16 | MUX_PAD_CTRL(NO_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),
+
+ /* ENET PHY Power */
+ MX6_PAD_ENET2_COL__GPIO2_IO_6 | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+ /* AR8031 PHY Reset */
+ MX6_PAD_ENET2_CRS__GPIO2_IO_7 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
}
+static int setup_fec(void)
+{
+ struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
+ int reg;
+
+ /* Use 125MHz anatop loopback REF_CLK1 for ENET1 */
+ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, 0);
+
+ imx_iomux_v3_setup_multiple_pads(phy_control_pads,
+ ARRAY_SIZE(phy_control_pads));
+
+ /* Enable the ENET power, active low */
+ gpio_direction_output(IMX_GPIO_NR(2, 6) , 0);
+
+ /* Reset AR8031 PHY */
+ gpio_direction_output(IMX_GPIO_NR(2, 7) , 0);
+ udelay(500);
+ gpio_set_value(IMX_GPIO_NR(2, 7), 1);
+
+ reg = readl(&anatop->pll_enet);
+ reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE;
+ writel(reg, &anatop->pll_enet);
+
+ return enable_fec_anatop_clock(ENET_125MHZ);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
+ setup_fec();
+
+ return cpu_eth_init(bis);
+}
+
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+/* I2C1 for PMIC */
+static struct i2c_pads_info i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_GPIO1_IO00__I2C1_SCL | PC,
+ .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO_0 | PC,
+ .gp = IMX_GPIO_NR(1, 0),
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_GPIO1_IO01__I2C1_SDA | PC,
+ .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO_1 | PC,
+ .gp = IMX_GPIO_NR(1, 1),
+ },
+};
+
+int power_init_board(void)
+{
+ struct pmic *p;
+ unsigned int reg;
+
+ p = pfuze_common_init(I2C_PMIC);
+ if (!p)
+ return -ENODEV;
+
+ /* Enable power of VGEN5 3V3, needed for SD3 */
+ pmic_reg_read(p, PFUZE100_VGEN5VOL, ®);
+ reg &= ~LDO_VOL_MASK;
+ reg |= (LDOB_3_30V | (1 << LDO_EN));
+ pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
+
+ return 0;
+}
+
+#ifdef CONFIG_USB_EHCI_MX6
+#define USB_OTHERREGS_OFFSET 0x800
+#define UCTRL_PWR_POL (1 << 9)
+
+static iomux_v3_cfg_t const usb_otg_pads[] = {
+ /* OGT1 */
+ MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
+ /* OTG2 */
+ MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)
+};
+
+static void setup_usb(void)
+{
+ imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
+ ARRAY_SIZE(usb_otg_pads));
+}
+
+int board_usb_phy_mode(int port)
+{
+ if (port == 1)
+ return USB_INIT_HOST;
+ else
+ return usb_phy_mode(port);
+}
+
+int board_ehci_hcd_init(int port)
+{
+ u32 *usbnc_usb_ctrl;
+
+ if (port > 1)
+ return -EINVAL;
+
+ usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
+ port * 4);
+
+ /* Set Power polarity */
+ setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
+
+ return 0;
+}
+#endif
+
+int board_phy_config(struct phy_device *phydev)
+{
+ /*
+ * Enable 1.8V(SEL_1P5_1P8_POS_REG) on
+ * Phy control debug reg 0
+ */
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
+
+ /* rgmii tx clock delay enable */
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
+
+ if (phydev->drv->config)
+ phydev->drv->config(phydev);
+
+ return 0;
+}
+
int board_early_init_f(void)
{
setup_iomux_uart();
+
+ /* Enable PERI_3V3, which is used by SD2, ENET, LVDS, BT */
+ imx_iomux_v3_setup_multiple_pads(peri_3v3_pads,
+ ARRAY_SIZE(peri_3v3_pads));
+
+ /* Active high for ncp692 */
+ gpio_direction_output(IMX_GPIO_NR(4, 16) , 1);
+
+#ifdef CONFIG_USB_EHCI_MX6
+ setup_usb();
+#endif
+
return 0;
}
-static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+static struct fsl_esdhc_cfg usdhc_cfg[3] = {
+ {USDHC2_BASE_ADDR, 0, 4},
+ {USDHC3_BASE_ADDR},
{USDHC4_BASE_ADDR},
};
+#define USDHC3_CD_GPIO IMX_GPIO_NR(2, 10)
+#define USDHC3_PWR_GPIO IMX_GPIO_NR(2, 11)
+#define USDHC4_CD_GPIO IMX_GPIO_NR(6, 21)
+
int board_mmc_getcd(struct mmc *mmc)
{
- return 1; /* Assume boot SD always present */
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret = 0;
+
+ switch (cfg->esdhc_base) {
+ case USDHC2_BASE_ADDR:
+ ret = 1; /* Assume uSDHC2 is always present */
+ break;
+ case USDHC3_BASE_ADDR:
+ ret = !gpio_get_value(USDHC3_CD_GPIO);
+ break;
+ case USDHC4_BASE_ADDR:
+ ret = !gpio_get_value(USDHC4_CD_GPIO);
+ break;
+ }
+
+ return ret;
}
int board_mmc_init(bd_t *bis)
{
- imx_iomux_v3_setup_multiple_pads(usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ int i, ret;
+
+ /*
+ * According to the board_mmc_init() the following map is done:
+ * (U-boot device node) (Physical Port)
+ * mmc0 USDHC2
+ * mmc1 USDHC3
+ * mmc2 USDHC4
+ */
+ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
+ switch (i) {
+ case 0:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ break;
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ gpio_direction_input(USDHC3_CD_GPIO);
+ gpio_direction_output(USDHC3_PWR_GPIO, 1);
+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ break;
+ case 2:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ gpio_direction_input(USDHC4_CD_GPIO);
+ usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
+ break;
+ default:
+ printf("Warning: you configured more USDHC controllers"
+ "(%d) than supported by the board\n", i + 1);
+ return -EINVAL;
+ }
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
- return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+ if (ret) {
+ printf("Warning: failed to initialize mmc dev %d\n", i);
+ return ret;
+ }
+ }
+
+ return 0;
}
int board_init(void)
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+#ifdef CONFIG_SYS_I2C_MXC
+ setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+#endif
+
+ return 0;
+}
+
+int board_late_init(void)
+{
return 0;
}