]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/freescale/mx6sxsabresd/mx6sxsabresd.c
Merge branch 'master' of git://git.denx.de/u-boot-usb
[karo-tx-uboot.git] / board / freescale / mx6sxsabresd / mx6sxsabresd.c
index 6cd2b4af9fecd1c86795d80cf438ebf8cee5a5c7..fd8bc72827496c767c35699db4667655c7241f7e 100644 (file)
@@ -7,6 +7,7 @@
  */
 
 #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 <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;
 
@@ -38,6 +44,21 @@ 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 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;
@@ -50,6 +71,34 @@ static iomux_v3_cfg_t const uart1_pads[] = {
        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),
@@ -60,14 +109,81 @@ static iomux_v3_cfg_t const usdhc4_pads[] = {
        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 */
-struct i2c_pads_info i2c_pad_info1 = {
+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,
@@ -80,80 +196,179 @@ struct i2c_pads_info i2c_pad_info1 = {
        },
 };
 
-static int pfuze_init(void)
+int power_init_board(void)
 {
        struct pmic *p;
-       int ret;
        unsigned int reg;
 
-       ret = power_pfuze100_init(I2C_PMIC);
-       if (ret)
-               return ret;
-
-       p = pmic_get("PFUZE100");
-       ret = pmic_probe(p);
-       if (ret)
-               return ret;
-
-       pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
-       printf("PMIC:  PFUZE100 ID=0x%02x\n", reg);
-
-       /* Set SW1AB standby voltage to 0.975V */
-       pmic_reg_read(p, PFUZE100_SW1ABSTBY, &reg);
-       reg &= ~0x3f;
-       reg |= 0x1b;
-       pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg);
-
-       /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
-       pmic_reg_read(p, PUZE_100_SW1ABCONF, &reg);
-       reg &= ~0xc0;
-       reg |= 0x40;
-       pmic_reg_write(p, PUZE_100_SW1ABCONF, reg);
-
-       /* Set SW1C standby voltage to 0.975V */
-       pmic_reg_read(p, PFUZE100_SW1CSTBY, &reg);
-       reg &= ~0x3f;
-       reg |= 0x1b;
-       pmic_reg_write(p, PFUZE100_SW1CSTBY, reg);
-
-       /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */
-       pmic_reg_read(p, PFUZE100_SW1CCONF, &reg);
-       reg &= ~0xc0;
-       reg |= 0x40;
-       pmic_reg_write(p, PFUZE100_SW1CCONF, 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);
-       reg &= ~0x1F;
-       reg |= 0x1F;
+       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();
-       setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+
+       /* 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;
+                       }
+
+                       ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+                       if (ret) {
+                               printf("Warning: failed to initialize mmc dev %d\n", i);
+                               return ret;
+                       }
+       }
 
-       usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
-       return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+       return 0;
 }
 
 int board_init(void)
@@ -161,13 +376,15 @@ 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)
 {
-       pfuze_init();
-
        return 0;
 }